Power interface device, power connection assembly, and vehicle

Abstract

The application provides a power interface device, a power connection assembly and a vehicle, and relates to the technical field of power interfaces. The power interface device comprises a mounting seat, and a conductive part is arranged on the mounting seat. The conductive part comprises a plurality of conductive springs. Each conductive spring comprises a connecting segment fixed to the mounting seat and two opposite abutting segments extending from the connecting segment towards an interior trim part. A clamping space for elastically clamping corresponding contacts of a plug-in part is formed between the two abutting segments. The application forms an elastic clamping structure by arranging two opposite abutting segments and contact parts on the inner sides of the abutting segments. When the plug-in part is inserted, the two abutting segments are symmetrically elastically deformed, thereby exerting balanced and continuous clamping force on both sides of the contacts of the plug-in part. This bidirectional elastic clamping mechanism effectively overcomes the problem of single-direction contact force attenuation caused by vibration, impact or temperature change during vehicle driving, and greatly reduces the risk of accidental disconnection between the conductive springs and the contacts of the plug-in part.

Description

Technical Field

[0001] This application relates to the field of power interface technology, and in particular to a power interface device, a power connection component, and a vehicle. Background Technology

[0002] With the rapid development of the automotive industry and the increasing demand from consumers for vehicle comfort and intelligence, the types and number of in-vehicle electrical devices have increased significantly. Correspondingly, power interface devices for supplying power to various electrical devices have become standard equipment in vehicles and are widely used in vehicle interior parts such as the center console, armrest box, rear seat backs, and trunk.

[0003] Currently, common power interfaces inside vehicles typically contain multiple conductive terminals, which are used to make electrical connections with corresponding contacts on the connector.

[0004] However, in related technologies, the contact structure between the conductive terminal and the connector is prone to accidental detachment from the conductive terminal and the connector under long-term use or vehicle vibration environment, resulting in poor contact stability. Summary of the Invention

[0005] This application provides a power interface device, a power connection component, and a vehicle to solve the technical problem of insufficient contact stability between conductive terminals and plug contacts in existing power interface devices.

[0006] In a first aspect, embodiments of this application provide a power interface device, including:

[0007] Mounting bracket, the mounting bracket is located on the side of the interior trim facing the outside of the vehicle, the mounting bracket is provided with a conductive part, the conductive part is used for electrical connection with the plug-in component;

[0008] The conductive part includes a plurality of conductive springs, each of the conductive springs including a connecting section fixed to the mounting base and two opposing abutting sections extending from the connecting section toward the interior trim, a clamping space is formed between the two abutting sections for elastically clamping the corresponding contacts of the plug-in, and a contact portion is formed on each abutting section for contacting the plug-in, the contact portion being located within the clamping space.

[0009] In one possible implementation, the contact portions of each of the conductive springs are located at different heights along the insertion direction of the connector, so that when the connector is inserted into place, they respectively correspond to the contacts on the connector located at different positions along its own direction.

[0010] In one possible implementation, at least one of the conductive spring pieces has an arc-shaped clamping surface formed on each of the two opposing abutting sections. The arc-shaped clamping surface constitutes the contact portion, and the two arc-shaped clamping surfaces are spaced apart and facing each other. The two arc-shaped clamping surfaces are used to abut against the two sides of the corresponding contact point of the plug-in.

[0011] And / or, at least one of the conductive spring pieces has contact protrusions protruding into the clamping space on two opposite abutting sections, the contact protrusions forming the contact portion, the two contact protrusions being spaced apart and facing each other, and the two contact protrusions being used to abut against the sides of the corresponding contact point of the plug-in.

[0012] In one possible implementation, the mounting base is further provided with a mounting cavity and a mounting port communicating with the mounting cavity. The conductive part is disposed in the mounting cavity, and the mounting port is used to communicate with the mounting hole of the interior trim, so that the plug-in can pass through the mounting hole of the interior trim and enter the mounting cavity through the mounting port to electrically connect with the conductive part.

[0013] In one possible implementation, the connecting section of each of the conductive spring pieces is fixed to the bottom wall of the mounting cavity;

[0014] The conductive spring also includes a conductive segment that extends from the connecting segment, passes through the bottom wall of the mounting cavity, and extends to the outside of the mounting cavity. The conductive segment is used for electrical connection with the conductive wire harness.

[0015] In one possible implementation, a potting compound layer is provided on the outer side of the bottom wall of the mounting cavity, the potting compound layer covering and sealing the portion of each conductive segment extending out of the mounting cavity.

[0016] In one possible implementation, the conductive part includes three conductive springs, namely a first conductive spring, a second conductive spring, and a third conductive spring.

[0017] In one possible implementation, the abutting section of the first conductive spring is a first abutting section, and the contact portion of the first abutting section is a first contact portion;

[0018] The abutting section of the second conductive spring is a second abutting section, and the contact portion of the second abutting section is a second contact portion;

[0019] The abutting section of the third conductive spring is a third abutting section, and the contact portion of the third abutting section is a third contact portion;

[0020] Along the insertion direction of the connector, the first contact portion is furthest from the bottom wall of the mounting cavity, the third contact portion is next furthest, and the second contact portion is closest to the bottom wall of the mounting cavity.

[0021] In one possible implementation, the first conductive spring and the second conductive spring are used to connect to a power source, and the third conductive spring is used to connect to a signal.

[0022] And / or, the first contact portion is used to abut against a first electrical connection area on the sidewall of the connector;

[0023] And / or, the second contact portion is used to abut against the second electrical connection area on the sidewall of the connector;

[0024] And / or, the third contact portion is used to abut against the third electrical connection area of ​​the center portion of the connector.

[0025] In one possible implementation, the connecting segment of the first conductive spring is a first connecting segment, the connecting segment of the second conductive spring is a second connecting segment, and the connecting segment of the third conductive spring is a third connecting segment;

[0026] The first conductive spring also includes a first conductive segment, which extends from the first connecting segment, passes through the bottom wall of the mounting cavity, and extends to the outside of the mounting cavity for electrical connection with the first wire harness;

[0027] And / or, the second conductive spring further includes a second conductive segment, which extends from the second connecting segment, passes through the bottom wall of the mounting cavity, and extends to the outside of the mounting cavity for electrical connection with the second wire harness;

[0028] And / or, the third conductive spring further includes a third conductive segment extending from the third connecting segment, passing through the bottom wall of the mounting cavity, and extending to the outside of the mounting cavity for electrical connection with the third wire harness.

[0029] In one possible implementation, the mounting base is provided with a first wire harness limiting part, a second wire harness limiting part, and a third wire harness limiting part. The first wire harness limiting part is used to fix the first wire harness, the second wire harness limiting part is used to fix the second wire harness, and the third wire harness limiting part is used to fix the third wire harness.

[0030] Secondly, embodiments of this application provide a power connection component, including:

[0031] A power interface device, wherein the power interface device is any one of the power interface devices described above;

[0032] A connector is detachably inserted into the mounting base of the power interface device and electrically connected to the conductive part of the power interface device.

[0033] Thirdly, embodiments of this application provide a vehicle that includes any of the power interface devices or power connection components described above.

[0034] In one possible implementation, the vehicle includes a vehicle body, the vehicle body includes a center console, and the power interface device is disposed on the center console;

[0035] And / or, the vehicle body includes a roof, and the power interface device is disposed on the roof;

[0036] And / or, the vehicle body includes a dashboard, and the power interface device is disposed on the dashboard;

[0037] And / or, the vehicle body includes an armrest box, and the power interface device is disposed on the armrest box;

[0038] And / or, the vehicle body includes a seat, and the power interface device is disposed on the seat;

[0039] And / or, the vehicle body includes body pillars, and the power interface device is disposed on the trim panel of the body pillars;

[0040] And / or, the vehicle body includes a luggage compartment, and the power interface device is located on the luggage compartment;

[0041] And / or, the vehicle body includes doors, and the power interface device is located on the trim panel of the door.

[0042] The power interface device, power connection assembly, and vehicle provided in this application embodiment form an elastic clamping structure by providing two opposing abutment sections and their inner contact portions. When the connector is inserted, the two abutment sections undergo symmetrical elastic deformation, thereby applying a balanced and continuous clamping force on both sides of the connector contact. This bidirectional elastic clamping mechanism effectively overcomes the problem of unidirectional contact force attenuation caused by vibration, impact, or temperature changes during vehicle operation, significantly reducing the risk of accidental disengagement between the conductive spring and the connector contact, thus solving the technical problem of poor contact stability between conductive terminals and connector contacts in related technologies. Attached Figure Description

[0043] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0044] Figure 1 A schematic diagram of the structure of a power interface device provided for an embodiment of this application;

[0045] Figure 2 A cross-sectional structural schematic diagram of a power interface device provided for an embodiment of this application;

[0046] Figure 3 A schematic diagram of the decorative cover and the first connecting part in the power interface device provided for an embodiment of this application;

[0047] Figure 4 for Figure 3 A structural diagram from another angle;

[0048] Figure 5 A schematic diagram of the structure of the power interface device provided in the embodiments of this application when the mounting base and the mounting sleeve are connected;

[0049] Figure 6 A schematic diagram of the mounting sleeve in the power interface device provided for embodiments of this application;

[0050] Figure 7 A schematic diagram of the mounting sleeve in the power interface device provided for embodiments of this application;

[0051] Figure 8 A schematic diagram of the internal structure of the mounting base in the power interface device provided for embodiments of this application;

[0052] Figure 9 A schematic diagram of the mounting base in the power interface device provided for an embodiment of this application from another angle;

[0053] Figure 10 A schematic diagram of the mounting base in the power interface device provided for an embodiment of this application at another angle;

[0054] Figure 11 for Figure 10 A structural diagram from another angle;

[0055] Figure 12 A schematic diagram of the structure of the first conductive spring in the power interface device provided for an embodiment of this application;

[0056] Figure 13 A schematic diagram of the structure of the second conductive spring in the power interface device provided for an embodiment of this application;

[0057] Figure 14 A schematic diagram of the structure of the third conductive spring in the power interface device provided for an embodiment of this application;

[0058] Figure 15 A schematic diagram of the structure of the bottom of the mounting base in the power interface device provided for an embodiment of this application;

[0059] Figure 16 A schematic diagram of the structure when the connector is connected to the conductive part according to an embodiment of this application;

[0060] Figure 17 This is a schematic diagram of the connector provided in an embodiment of this application.

[0061] Explanation of reference numerals in the attached figures:

[0062] 10 - Interior trim; 20 - First wiring harness; 30 - Second wiring harness; 40 - Third wiring harness;

[0063] 100 - Decorative cover; 110 - Insertion port;

[0064] 200 - First connecting part; 210 - First insertion hole section; 211 - Second internal thread; 220 - First external thread; 230 - Clamping surface;

[0065] 300 - Mounting base; 310 - Mounting cavity; 320 - Mounting port; 330 - First wire harness limiting part; 340 - Second wire harness limiting part; 350 - Third wire harness limiting part;

[0066] 400 - Conductive part; 410 - First conductive spring; 411 - First abutting section; 4111 - First contact part; 412 - First connecting section; 413 - First conductive section; 420 - Second conductive spring; 421 - Second abutting section; 4211 - Second contact part; 422 - Second connecting section; 423 - Second conductive section; 430 - Third conductive spring; 431 - Third abutting section; 4311 - Third contact part; 432 - Third connecting section; 433 - Third conductive section;

[0067] 500 - Second connecting part; 510 - Second insertion hole section; 511 - Second snap-fit ​​part;

[0068] 600 - Connector; 610 - First electrical connection area; 620 - Second electrical connection area; 630 - Third electrical connection area;

[0069] 700 - Mounting sleeve; 710 - First internal thread; 720 - First snap-fit ​​part;

[0070] 800 - Elastic layer;

[0071] 900 - Sealing element; 910 - Sealing head; 920 - Sealing rod; 921 - Second external thread;

[0072] 1000 - Ring step; 1010 - Screwdriver interface;

[0073] 1100 - Positioning rib;

[0074] 1200 - Inverted positioning part;

[0075] 1300 - Inverted mounting joint;

[0076] 1400 - Connecting ear; 1410 - Connecting hole;

[0077] 1500 - Reinforcing rib;

[0078] 1600 - Potting compound layer.

[0079] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0080] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims. Other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are all within the scope of protection of this application.

[0081] It should be noted that the directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0082] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0083] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, and a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0084] With the rapid development of the automotive industry and the increasing demand from consumers for vehicle comfort and intelligence, the types and number of in-vehicle electrical devices have increased significantly. Correspondingly, power interface devices for supplying power to various electrical devices have become standard equipment in vehicles and are widely used in vehicle interior parts such as the center console, armrest box, rear seat backs, and trunk.

[0085] In related technologies, power interface devices used in vehicle interiors typically include a mounting base fixedly mounted on the interior trim, with a fixed rigid conductive part on the mounting base. The connector that mates with the power interface refers to an external connector that can be inserted into the interface, such as the male end of a charging cable or the connector of an external electrical device. Its surface has conductive contacts that correspond one-to-one with the number and position of the conductive parts of the interface. When the connector is inserted into the power interface, the rigid conductive part and the corresponding contact of the connector achieve physical contact through the dimensional fit of the components, thus completing the circuit conduction. The contact state depends entirely on the machining accuracy and assembly tolerance of the components; the conductive part itself does not possess the ability to elastically deform or adaptively compensate for contact position.

[0086] In long-term, repeated plugging and unplugging scenarios, the aforementioned rigid conductive contact structure is prone to contact gaps due to wear from plugging and unplugging and the accumulation of assembly tolerances. It cannot adaptively compensate for wear to maintain stable contact pressure. At the same time, under conditions of vehicle vibration and positional displacement of the plug insertion, the rigid conductive part cannot adaptively adapt to the positional deviation, which can easily lead to problems such as insufficient contact area and increased contact resistance. Ultimately, this results in a decrease in electrical connection reliability and fails to meet the long-term stable operation requirements of vehicle electrical components.

[0087] To address the technical problem of insufficient contact stability between conductive terminals and connector contacts in existing power interface devices, this application proposes a power interface device, a power connection assembly, and a vehicle. The power interface device includes a mounting base located on the side of the interior trim facing the vehicle exterior. The mounting base has a conductive portion for electrical connection with a connector. The conductive portion includes multiple conductive springs, each including a connecting section fixed to the mounting base and two opposing abutting sections extending from the connecting section toward the interior trim. A clamping space is formed between the two abutting sections for elastically clamping corresponding contacts of the connector. Each abutting section has a contact portion for contacting the connector, located within the clamping space.

[0088] The power interface device of this application embodiment forms an elastic clamping structure by providing two opposing abutment sections and their inner contact portions. When the connector is inserted, the two abutment sections undergo symmetrical elastic deformation, thereby applying a balanced and continuous clamping force on both sides of the connector contact. This bidirectional elastic clamping mechanism effectively overcomes the problem of unidirectional contact force attenuation caused by vibration, impact, or temperature changes during vehicle operation, significantly reducing the risk of accidental separation between the conductive spring and the connector contact, thus solving the technical problem of poor contact stability between the conductive terminal and the connector contact in related technologies.

[0089] The technical solution of the application will be described in detail below with reference to the accompanying drawings and specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0090] In the embodiments of this application, reference is made to Figure 8 , Figure 12 , Figure 13 and Figure 14 As shown, an embodiment of this application provides a power interface device including a mounting base 300, which is disposed on the side of the interior trim 10 facing the outside of the vehicle. The mounting base 300 is provided with a conductive part 400, which is used for electrical connection with the plug 600.

[0091] The conductive part 400 includes a plurality of conductive springs. Each conductive spring includes a connecting section fixed to the mounting base 300 and two opposing abutting sections extending from the connecting section toward the interior trim 10. A clamping space is formed between the two abutting sections for elastically clamping the corresponding contacts of the plug-in 600. A contact portion for contacting the plug-in 600 is formed on each abutting section, and the contact portion is located within the clamping space.

[0092] It should be noted that the interior trim 10 in this application embodiment may generally include, but is not limited to, the following types:

[0093] Trim panels / decorative panels: such as door trim panels, dashboard trim panels, center console side trim panels, B-pillar trim panels, C-pillar trim panels, headliner side trim panels (A-pillar upper guard plate), etc.

[0094] Panels: such as the main instrument panel, center console panel, armrest box cover, etc.

[0095] Other interior trim components: such as headliner, carpets, trunk trim panels, seat side panels, etc.

[0096] In this embodiment, reference is made to... Figure 8 , Figure 12 , Figure 13 and Figure 14 As shown, the conductive spring can be a first conductive spring 410, a second conductive spring 420, or a third conductive spring 430. The connecting segment of the conductive spring can refer to the first connecting segment 412 of the first conductive spring 410, the second connecting segment 422 of the second conductive spring 420, or the third connecting segment 432 of the third conductive spring 430. The abutting segment of the conductive spring can refer to the first abutting segment 411 of the first conductive spring 410, the second abutting segment 421 of the second conductive spring 420, or the third abutting segment 431 of the third conductive spring 430. The contact portion formed on the abutting segment can refer to the first contact portion 4111 of the first conductive spring 410, the second contact portion 4211 of the second conductive spring 420, or the third contact portion 4311 of the third conductive spring 430.

[0097] The power interface device of this application embodiment is disposed on the interior parts 10 of the vehicle, such as the center console panel, armrest box cover, rear seat back, or trunk side wall. This power interface device is used to provide electrical connection for in-vehicle electrical devices (such as mobile phones, tablets, dashcams, cameras, etc.).

[0098] The power interface device includes a mounting base 300 and a conductive part 400. The mounting base 300 is fixedly installed on the side of the interior trim 10 facing the outside of the vehicle, that is, the side away from the user's operating space, such as the interior of the dashboard, the interior of the center console, or other concealed areas. This arrangement allows the conductive part 400 to be hidden behind the interior trim 10, with only a through hole on the interior trim 10 for the insertion of a connector 600, enabling the connector 600 to make electrical connection with the conductive part 400 after insertion from the user side. The mounting base 300 has structures for accommodating and fixing the conductive part 400, such as a slot or a threaded hole.

[0099] The conductive part 400 includes multiple conductive springs, which are typically made of a metallic material (such as a copper alloy) with good conductivity and elasticity. Each conductive spring specifically includes:

[0100] Connection section: This connection section is fixed to the mounting base 300, for example, by riveting, welding, or screw fastening. The connection section serves to provide support and electrical conduction, and one end of it is electrically connected to the power supply circuit.

[0101] Two opposing abutment sections: These two abutment sections extend from one end of the connecting section toward the interior trim 10 (i.e., toward the user operating space side, so as to contact the connector 600 passing through the through hole of the interior trim 10). The two abutment sections are arranged opposite each other, forming a clamping space between them. The width of this clamping space is slightly less than the thickness of the corresponding contact on the mating connector 600.

[0102] Contact portion: On the inner surface of each abutment segment facing the clamping space, a contact portion is formed, such as a hemispherical, ridge-like, or dot-like protrusion. These two contact portions are arranged opposite each other and are located together within the clamping space.

[0103] When the connector 600 is inserted from the user-facing side of the interior trim 10 and passes through the through-hole into the clamping space, its corresponding contacts first press against the contact portions on the two abutment sections. Due to the elasticity of the abutment sections, they are pushed outwards, generating an elastic restoring force pointing inwards into the clamping space. This elastic restoring force causes the two contact portions to press tightly against the two sides of the connector 600 contacts, forming a multi-point, highly reliable electrical contact. Simultaneously, the localized protrusions in the contact portions can pierce any oxide film or dirt that may be present, further ensuring a low-resistance connection.

[0104] Optionally, the number of conductive springs can be adjusted according to the required current or the number of signal channels. For example, three conductive springs can be configured, namely the first conductive spring 410, the second conductive spring 420, and the third conductive spring 430, corresponding to the positive, negative, and signal terminals, respectively. The contact length and angle of each conductive spring can be optimized according to the actual required clamping force and insertion stroke.

[0105] It should be noted that the conductive part 400 can be two conductive springs, three conductive springs, four conductive springs, five conductive springs, etc.

[0106] The power interface device of this application embodiment forms an elastic clamping structure by providing two opposing abutment sections and their inner contact portions. When the connector 600 is inserted, the two abutment sections undergo symmetrical elastic deformation, thereby applying a balanced and continuous clamping force on both sides of the connector 600 contact. This bidirectional elastic clamping mechanism effectively overcomes the problem of unidirectional contact force attenuation caused by vibration, impact, or temperature changes during vehicle operation, significantly reducing the risk of accidental disengagement between the conductive spring and the connector 600 contact, thus solving the technical problem of poor contact stability between the conductive terminal and the connector contact in related technologies.

[0107] The contact area can generate high contact pressure over a small contact area, which is beneficial for breaking down the surface oxide layer and forming a reliable metal-metal contact, thereby effectively reducing contact resistance. Reduced contact resistance means less Joule heat is generated under the same current, improving the electrical safety and long-term service life of the power interface device.

[0108] In another embodiment, the contact portions of each conductive spring are located at different heights along the insertion direction of the connector 600, so that when the connector 600 is inserted into place, they respectively correspond to the contacts on the connector 600 located at different positions along its own direction.

[0109] It should be noted that, in this embodiment, the reference is... Figure 8 , Figure 12 , Figure 13 and Figure 14 As shown, the conductive spring can be a first conductive spring 410, a second conductive spring 420, or a third conductive spring 430. The contact portion of each conductive spring can refer to the first contact portion 4111 of the first conductive spring 410, the second contact portion 4211 of the second conductive spring 420, or the third contact portion 4311 of the third conductive spring 430.

[0110] In this embodiment, the contact portions of each conductive spring are located at different heights along the insertion direction of the connector 600. That is, for the multiple conductive springs disposed on the mounting base 300, their respective contact portions are not at the same horizontal position in a plane perpendicular to the insertion direction, but are arranged staggered along the insertion direction.

[0111] For example, in one embodiment, the conductive part 400 includes three conductive springs: a first conductive spring 410, a second conductive spring 420, and a third conductive spring 430. The first conductive spring 410 and the second conductive spring 420 are used to connect to a power source, and the third conductive spring 430 is used to connect to a signal source. The first contact portion 4111 of the first conductive spring 410 abuts against the first electrical connection area 610 on the side wall of the connector 600, the second contact portion 4211 of the second conductive spring 420 abuts against the second electrical connection area 620 on the side wall of the connector 600, and the third contact portion 4311 of the third conductive spring 430 abuts against the third electrical connection area 630 at the center of the connector 600.

[0112] When the connector 600 is fully inserted, the contact portion of each conductive spring forms an independent and non-interfering electrical connection with its corresponding contact point.

[0113] Optionally, the height difference of the contact portion of each conductive spring can be precisely set according to the spacing of the contacts on the connector 600, generally ranging from 0.5mm to 3mm, to adapt to different connector standards.

[0114] In this embodiment, by setting the contact portions of each conductive spring at different heights along the insertion direction, each contact portion only contacts the corresponding axial contact on the connector 600, thereby achieving independent transmission of multiple power supplies and signals. This staggered layout effectively avoids short circuits or signal crosstalk caused by overlapping contact portions between different contacts, and is particularly suitable for high-frequency application scenarios that require simultaneous transmission of power and data.

[0115] The contact parts at different heights correspond one-to-one with the contacts at different positions on the connector 600, which is equivalent to building a physical coding mechanism. If the connector 600 is inserted in the wrong direction or with the wrong model, its contact position will not match the height of the contact part, resulting in failure to insert properly or failure to form a complete electrical connection. This serves as a foolproof mechanism and avoids the risk of circuit damage caused by misinsertion.

[0116] In other embodiments, unlike the aforementioned embodiments, this embodiment sets the position of the contact portion of each conductive spring in the insertion direction differently.

[0117] Specifically, the contact portions of each conductive spring are located at the same height along the insertion direction of the connector 600. In other words, the contact portions of all conductive springs are at the same horizontal position in a plane perpendicular to the insertion direction, meaning they are equidistant from the bottom wall of the mounting cavity 310. The contact portions are arranged circumferentially around the insertion axis of the connector 600, forming a ring array or a fan-shaped distribution.

[0118] For example, when the conductive part 400 includes three conductive springs, the contact portions of the first conductive spring 410, the second conductive spring 420, and the third conductive spring 430 are at the same height in the insertion direction, but are evenly distributed at a certain angle (e.g., 120°) apart in the circumferential direction. Correspondingly, the contact points on the connector 600 corresponding to the three conductive springs are also located in the same axial section, that is, they are spaced apart along the circumferential direction on the outer circumferential surface of the connector 600.

[0119] When the connector 600 is inserted into place, each of its contacts simultaneously contacts the corresponding conductive spring contact portion and forms an elastic clamp. Since all contact portions are at the same height, the connector 600 can complete the docking of all contacts simultaneously without axial movement, thus achieving synchronous electrical connection.

[0120] To achieve this layout, the contact lengths of each conductive spring can be designed to be approximately equal, but their mounting angles or bending directions within the mounting cavity 310 need to be adjusted according to the circumferential distribution. Furthermore, the conductive springs can be isolated from each other by insulating partitions to prevent short circuits from occurring between adjacent springs during elastic deformation.

[0121] In another embodiment, at least one conductive spring sheet has arc-shaped clamping surfaces formed on two opposite abutting sections. The arc-shaped clamping surfaces constitute contact portions, and the two arc-shaped clamping surfaces are spaced apart and facing each other. The two arc-shaped clamping surfaces are used to abut against the two sides of the corresponding contact of the plug 600.

[0122] It should be noted that, in this embodiment, the reference is... Figure 8 , Figure 12 , Figure 13 and Figure 14 As shown, the conductive spring can be a first conductive spring 410, a second conductive spring 420, or a third conductive spring 430. The connecting segment of the conductive spring can refer to the first connecting segment 412 of the first conductive spring 410, the second connecting segment 422 of the second conductive spring 420, or the third connecting segment 432 of the third conductive spring 430. The abutting segment of the conductive spring can refer to the first abutting segment 411 of the first conductive spring 410, the second abutting segment 421 of the second conductive spring 420, or the third abutting segment 431 of the third conductive spring 430. The contact portion formed on the abutting segment can refer to the first contact portion 4111 of the first conductive spring 410, the second contact portion 4211 of the second conductive spring 420, or the third contact portion 4311 of the third conductive spring 430.

[0123] In this embodiment, at least one conductive spring sheet has arc-shaped clamping surfaces formed on its two opposing abutting sections. These arc-shaped clamping surfaces are the contact portions, and their shape is a concave arc surface extending into the clamping space. The two arc-shaped clamping surfaces are spaced apart and facing each other, forming a clamping space between them to accommodate the corresponding contacts of the connector 600. When the connector 600 is inserted, both sides of its corresponding contact abut against the two arc-shaped clamping surfaces.

[0124] The radius of curvature of the arc-shaped clamping surface can be optimized according to the external dimensions of the 600 contacts of the connector. For example, for cylindrical contacts or contacts with rounded corners, the radius of curvature of the arc-shaped clamping surface can be set to match the outer diameter of the contact, thereby achieving surface or line contact instead of point contact.

[0125] In a preferred example, the radius of curvature of the arc-shaped clamping surface is slightly larger than the radius of curvature of the contact point, so that two-point contact is formed in the initial insertion stage, and gradually transitions to surface contact as the insertion depth increases, thereby obtaining a larger contact area while ensuring low insertion force.

[0126] Furthermore, the arc-shaped clamping surfaces can have a certain length along the extension direction of the abutment section (i.e., the insertion direction), such as 2mm to 5mm, to provide sufficient sliding guide stroke. The minimum distance between the two arc-shaped clamping surfaces (i.e., the throat width of the clamping space) is slightly less than the thickness of the contact point to ensure elastic clamping force.

[0127] Optionally, all conductive contacts can adopt an arc-shaped clamping surface design, or only the contacts that undertake the main power transmission task (such as the contacts corresponding to the positive and negative terminals of the power supply) can adopt an arc-shaped clamping surface, while the data signal contacts can have a convex contact part to balance cost and performance.

[0128] In this embodiment, the arc-shaped clamping surface and the contact of the plug 600 form an arc-shaped contact, which significantly increases the effective contact area compared to point or ridge-shaped contacts. According to the contact resistance formula, the increased contact area can effectively reduce the contact resistance, thereby reducing Joule heating when current flows and improving the current carrying capacity and thermal safety of the power interface device.

[0129] Furthermore, the arc shape of the curved clamping surface guides the insertion of the connector 600. Even if the connector 600 has a slight angular deviation or offset, the curved surface can automatically guide the contact to the center of the clamping space, achieving self-centering. This not only reduces insertion resistance but also avoids excessive wear or plastic deformation on one side due to misalignment, extending the service life of the conductive spring.

[0130] Furthermore, the contact area between the arc-shaped clamping surface and the contact point is arc-shaped, ensuring that the contact stress is evenly distributed on the arc-shaped surface in a vehicle vibration environment, thus avoiding stress concentration. Compared to point contact, which is prone to fretting wear under vibration, arc-shaped surface contact can better resist the contact separation tendency caused by vibration, thereby further enhancing contact stability.

[0131] The arc-shaped clamping surface is well adaptable to cylindrical, flat, or rounded contacts, enabling reliable electrical connection with different sizes of connectors 600, thus improving the versatility and interchangeability of the power interface device.

[0132] In other embodiments, at least one conductive spring sheet has contact protrusions protruding into the clamping space on two opposite abutting sections. The contact protrusions form contact portions. The two contact protrusions are spaced apart and arranged facing each other. The two contact protrusions are used to abut against the two sides of the corresponding contact of the plug 600.

[0133] It should be noted that, in this embodiment, the reference is... Figure 8 , Figure 12 , Figure 13 and Figure 14As shown, the conductive spring can be a first conductive spring 410, a second conductive spring 420, or a third conductive spring 430. The connecting segment of the conductive spring can refer to the first connecting segment 412 of the first conductive spring 410, the second connecting segment 422 of the second conductive spring 420, or the third connecting segment 432 of the third conductive spring 430. The abutting segment of the conductive spring can refer to the first abutting segment 411 of the first conductive spring 410, the second abutting segment 421 of the second conductive spring 420, or the third abutting segment 431 of the third conductive spring 430. The contact portion formed on the abutting segment can refer to the first contact portion 4111 of the first conductive spring 410, the second contact portion 4211 of the second conductive spring 420, or the third contact portion 4311 of the third conductive spring 430.

[0134] In this embodiment, at least one conductive spring has contact protrusions protruding into the clamping space on both opposite abutment sections. These contact protrusions constitute contact portions and can be geometrically shaped with obvious protrusion features, such as hemispherical, conical, pyramidal, or truncated cone. The two contact protrusions are spaced apart and facing each other, forming a clamping space between them to accommodate the corresponding contacts of the connector 600. When the connector 600 is inserted, both sides of its corresponding contact abut against the two contact protrusions.

[0135] The height (i.e., protrusion) of the contact protrusions can be optimized according to the required contact pressure and insertion force. In one example, the height of the contact protrusions is 0.2 mm to 0.8 mm, and the radius of curvature at their tips is 0.1 mm to 0.5 mm to ensure sufficiently high contact pressure over a small contact area. The minimum distance between the two contact protrusions is slightly less than the thickness of the 600 contact point of the connector, thereby forcing the abutment section to open elastically during insertion, generating a continuous clamping force.

[0136] Alternatively, the contact protrusion can be integrally formed on the abutment section by means of stamping, etching, or welding, or it can be made separately and fixed to the surface of the abutment section. To ensure good conductivity, the contact protrusion can be made of the same material as the conductive spring (such as copper alloy) or its surface can be plated with gold or silver.

[0137] Unlike the aforementioned arc-shaped clamping surface embodiment, this embodiment employs a raised structure, causing contact to occur within a very small local area, thereby achieving higher contact pressure under the same clamping force. This design is particularly suitable for applications requiring low insertion force and high contact reliability, such as sensitive suppression of minute jitter in high-frequency data signal transmission.

[0138] In this embodiment, when the contact protrusion contacts the contact point of the connector 600, the contact area is extremely small, thereby generating extremely high contact pressure under the same clamping force. This high pressure can easily pierce the oxide layer, oil, or contaminants that may exist on the contact surface, forming a clean metal-metal contact, significantly reducing contact resistance, and ensuring the reliability of the electrical connection.

[0139] In other embodiments, the mounting base 300 is further provided with a mounting cavity 310 and a mounting port 320 communicating with the mounting cavity 310. The conductive part 400 is disposed in the mounting cavity 310, and the mounting port 320 is used to communicate with the mounting hole of the interior trim 10 so that the plug 600 passes through the mounting hole of the interior trim 10 and enters the mounting cavity 310 through the mounting port 320 to electrically connect with the conductive part 400.

[0140] In this embodiment, the mounting base 300 is further provided with a mounting cavity 310 and a mounting opening 320 communicating with the mounting cavity 310. A conductive part 400 is disposed within the mounting cavity 310, meaning that multiple conductive spring pieces are integrally accommodated within the closed or semi-closed space formed by the mounting cavity 310. The mounting opening 320 is used to communicate with the mounting hole of the interior trim 10. The interior trim 10 has a mounting hole pre-drilled through its thickness, and the position of this mounting hole is aligned with the mounting opening 320.

[0141] When the mounting base 300 is fixed to the side of the interior trim 10 facing the outside of the vehicle (i.e., the side away from the user), the mounting opening 320 is precisely aligned with the mounting hole on the interior trim 10. The connector 600 is inserted from the user side of the interior trim 10, first passing through the mounting hole of the interior trim 10, then entering the mounting cavity 310 through the mounting opening 320, and finally achieving electrical connection with the conductive part 400 located in the mounting cavity 310.

[0142] The shape and size of the mounting cavity 310 can be designed according to the overall outline of the conductive part 400, such as a rectangular or circular cavity. Its internal space is slightly larger than the unfolding range of the conductive spring to ensure that the conductive spring has sufficient room to move during elastic deformation, while avoiding interference with other components. The mounting port 320 can be an opening with the same shape as the mounting hole, such as a circular or rectangular opening, and its edges can be chamfered or have guide bevels to guide the connector 600 to enter smoothly.

[0143] Optionally, positioning ribs or limiting posts may be provided on the inner wall of the mounting cavity 310 to accurately position and fix each conductive spring of the conductive part 400, preventing displacement during installation or use. In addition, a sealing ring or elastic gasket may be provided between the mounting cavity 310 and the mounting opening 320 to improve dustproof and waterproof performance.

[0144] In this embodiment, the conductive part 400 is housed entirely within the mounting cavity 310, isolating it from the external environment. This effectively prevents dust, moisture, foreign objects, etc., from entering the contact area between the conductive spring and the connector 600, avoiding increased contact resistance or short circuit faults caused by contamination. This significantly improves the reliability and service life of the power interface device in harsh automotive environments.

[0145] The edge of the mounting port 320 can be provided with a guide bevel, which together with the mounting hole of the interior trim 10 forms a tapered guide channel, guiding the connector 600 to accurately enter the mounting cavity 310 and dock with the conductive part 400. Even in blind insertion or in low light conditions, the insertion can be easily completed, improving the user experience.

[0146] The mounting cavity 310 forms a rigid constraint on the conductive part 400, limiting the displacement of the conductive spring in the non-working direction. This ensures that the conductive spring maintains the correct posture and position in the vehicle vibration environment, thereby guaranteeing a stable clamping relationship between the contact section and the plug 600 contact point, and further consolidating the contact stability problem to be solved in the background art.

[0147] In another possible embodiment, the connecting section of each conductive spring is fixed to the bottom wall of the mounting cavity 310. The conductive spring also includes a conductive section that extends from the connecting section, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310. The conductive section is used for electrical connection with the conductive wire harness.

[0148] It should be noted that, in this embodiment, the reference is... Figure 8 , Figure 12 , Figure 13 and Figure 14 As shown, the conductive spring can be a first conductive spring 410, a second conductive spring 420, or a third conductive spring 430. The connecting segment of the conductive spring can refer to the first connecting segment 412 of the first conductive spring 410, the second connecting segment 422 of the second conductive spring 420, or the third connecting segment 432 of the third conductive spring 430. The conductive segment of the conductive spring can refer to the first conductive segment 413 of the first conductive spring 410, the second conductive segment 423 of the second conductive spring 420, or the third conductive segment 433 of the third conductive spring 430.

[0149] In this embodiment, the connecting sections of the conductive spring are all fixed to the bottom wall of the mounting cavity 310. The connecting sections can be fixed to the bottom wall of the mounting cavity 310 by riveting, welding, screw fastening, or snap-fit ​​connection to ensure that the conductive spring does not shift during operation. The bottom wall of the mounting cavity 310 refers to the side wall opposite to the mounting port 320, that is, the side away from the user insertion direction.

[0150] In addition, the conductive spring also includes a conductive segment. This conductive segment extends from the connecting segment, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310. A through-hole is provided on the bottom wall of the mounting cavity 310 corresponding to the position of each conductive spring, and the conductive segment extends through the through-hole to the external space of the mounting base 300. The conductive segment extending to the outside is used for electrical connection with the conductive wire harness, for example, by welding, crimping, or plugging terminals to achieve connection with the vehicle's power supply system or signal system.

[0151] The shape of the conductive segment can be designed according to actual wiring requirements, such as being straight, L-shaped, or hook-shaped, to facilitate mating with wire harness connectors. The length of the protruding part of the conductive segment is generally 5mm to 20mm to ensure sufficient operating space for wiring operations. The end of the conductive segment can also be equipped with structures such as fisheye terminals, wire grooves, or solder pads to improve the reliability of the connection with the conductive wire harness.

[0152] Optionally, a sealing ring or potting compound may be provided around the perforation on the bottom wall of the mounting cavity 310 to prevent dust or moisture from entering the interior of the mounting cavity 310 through the perforation, thereby further improving the protection level.

[0153] In this embodiment, the connecting section of the conductive spring is fixed to the bottom wall of the mounting cavity 310, so that each conductive spring has an independent fixing reference, avoiding positioning errors caused by deformation or tolerance accumulation in other parts of the mounting base 300. This fixing method ensures the positional accuracy of the abutting section and contact part of each conductive spring relative to the mounting opening 320, thereby ensuring accurate alignment and stable elastic clamping between the contact with the plug 600, which helps to solve the contact stability problem mentioned in the background art.

[0154] By incorporating a conductive segment that extends from the self-connecting section and protrudes into the mounting cavity 310, the electrical lead-out point of the conductive spring is placed directly outside the mounting base 300, eliminating the need for complex wire connection operations inside the mounting cavity 310. This allows the conductive spring to be pre-assembled as an independent sub-component on the mounting base 300, and then quickly connected to the conductive wire harness during final assembly via the conductive segment, significantly improving production efficiency and maintenance convenience.

[0155] After the conductive segment exits the mounting cavity 310, its connection point with the conductive wire harness is located outside the mounting base 300, far from the elastic clamping area of ​​the conductive spring. Thus, even if the conductive wire harness is subjected to pulling or vibration during vehicle operation, the force mainly acts on the exit point between the conductive segment and the bottom wall, rather than being directly transmitted to the contact section and the contact area. This avoids changes in clamping force or contact failure caused by the wire harness being subjected to stress, further enhancing contact stability.

[0156] In another embodiment, a potting compound layer 1600 is provided on the outer side of the bottom wall of the mounting cavity 310, and the potting compound layer 1600 covers and seals the portion of each conductive segment that extends out of the mounting cavity 310.

[0157] In this embodiment, refer to Figure 9 , Figure 10 and Figure 15 As shown, a potting compound layer 1600 is provided on the outer side of the bottom wall of the mounting cavity 310. The potting compound layer 1600 covers and seals the portions of each conductive section that extend out of the mounting cavity 310. The potting compound layer 1600 can be made of polymer materials with good adhesion, insulation and weather resistance, such as epoxy resin, polyurethane, and silicone rubber, and can be formed by processes such as injection molding, coating or potting.

[0158] During manufacturing, the conductive segments of each conductive spring are first inserted through perforations in the bottom wall of the mounting cavity 310. Then, liquid or semi-solid potting compound is applied to the outside of the bottom wall, completely covering the protruding conductive segments and the area around the perforations. After the potting compound cures, a dense protective layer is formed, isolating the conductive segments from the external environment. The thickness of the potting compound layer 1600 is typically 1mm to 5mm, and can be adjusted according to actual protection requirements and space constraints.

[0159] The outer surface of the potting compound 1600 can be flush with the bottom surface of the mounting base 300, or it can be slightly convex or concave, depending on the mold design. To ensure a sealing effect, the potting compound 1600 should form a firm bond with the bottom wall of the mounting cavity 310 and the surface of the conductive section, free from bubbles, cracks, and delamination defects.

[0160] Optionally, before applying the potting compound, an adhesion promoter can be applied to the surface of the conductive section or a plasma treatment can be performed to improve the adhesion between the potting compound and the metal surface. For applications requiring heat dissipation, the potting compound layer 1600 can also be a thermally conductive potting compound to help dissipate heat from the conductive section.

[0161] In this embodiment, the potting compound layer 1600 covers and seals the portions of each conductive segment extending out of the mounting cavity 310, completely sealing the gap between the conductive segment and the bottom wall perforation, effectively preventing external contaminants such as moisture, dust, and salt spray from entering the mounting cavity 310. This is particularly important for power interface devices installed inside vehicles (such as the center console, armrest box, or other areas that may come into contact with liquid splashes), achieving IP67 or even higher protection levels and significantly extending the product's service life.

[0162] Furthermore, the potting compound 1600 has excellent insulation properties, isolating the exposed portions of adjacent conductive sections from each other and preventing short-circuit faults caused by creepage or arcing between conductors. At the same time, the potting compound 1600 also prevents the conductive sections from accidentally contacting surrounding metal parts (such as body panels), improving the overall electrical safety of the vehicle.

[0163] Furthermore, the cured potting compound layer 1600 firmly fixes the conductive segment to the outer side of the bottom wall, essentially forming a rigid anchor point. When the conductive harness is subjected to vehicle vibration or external force, the tension is first applied to the potting compound layer 1600, rather than being directly transmitted to the connection between the conductive segment and the connecting segment. This protects the welding or riveting points inside the conductive spring from damage, further consolidating contact stability and better solving the problem of insufficient contact stability mentioned in the background art.

[0164] In some embodiments, reference is made to Figure 8 , Figure 12 , Figure 13 and Figure 14 As shown, the conductive part 400 includes three conductive springs, namely the first conductive spring 410, the second conductive spring 420 and the third conductive spring 430.

[0165] In this embodiment, the conductive part 400 includes three conductive springs, namely a first conductive spring 410, a second conductive spring 420, and a third conductive spring 430. All three conductive springs are installed within the mounting cavity 310 of the mounting base 300, and each has an independent connecting section, abutting section, and contact portion.

[0166] In one example, the first conductive spring 410 is used to electrically connect to the positive power contact of the connector 600, the second conductive spring 420 is used to electrically connect to the negative power contact of the connector 600, and the third conductive spring 430 is used to electrically connect to the ground or signal contact of the connector 600. The three conductive springs are arranged sequentially along the insertion direction of the connector 600, or arranged side by side in a direction perpendicular to the insertion direction, to avoid mutual interference.

[0167] The connecting sections of each conductive spring are fixed to the bottom wall of the mounting cavity 310, and each conductive spring has an independent conductive section extending out of the mounting cavity 310 to be electrically connected to the corresponding conductive wire harness. The contact portions of the three conductive springs can be set at different heights along the insertion direction to achieve corresponding connections with contacts at different axial positions on the connector 600.

[0168] Optionally, the three conductive springs can have identical structures or be designed differently depending on the current they carry. For example, the first conductive spring 410 and the second conductive spring 420 carry larger currents, and their contact width and thickness can be appropriately increased; the third conductive spring 430 is used for signal transmission, and its contact portion can adopt a finer bump structure to improve signal integrity.

[0169] In this embodiment, by setting three conductive springs, corresponding to the positive terminal of the power supply, the negative terminal of the power supply, and the ground or signal contact respectively, a complete power interface circuit is formed, which can provide reliable power transmission for most vehicle-mounted electrical devices (such as mobile phone charging, dashcam power supply, etc.), and realize the basic functions of the power interface device.

[0170] In some possible embodiments, the abutting section of the first conductive spring 410 is the first abutting section 411, and the contact portion of the first abutting section 411 is the first contact portion 4111.

[0171] The abutting section of the second conductive spring 420 is the second abutting section 421, and the contact portion of the second abutting section 421 is the second contact portion 4211.

[0172] The abutting section of the third conductive spring 430 is the third abutting section 431, and the contact portion of the third abutting section 431 is the third contact portion 4311.

[0173] Along the insertion direction of the connector 600, the first contact portion 4111 is furthest from the bottom wall of the mounting cavity 310, followed by the third contact portion 4311, and the second contact portion 4211 is closest to the bottom wall of the mounting cavity 310.

[0174] In this embodiment, refer to Figure 12 , Figure 13 , Figure 14 and Figure 15 As shown, the abutting section of the first conductive spring 410 is the first abutting section 411, and the contact portion on the first abutting section 411 is the first contact portion 4111; the abutting section of the second conductive spring 420 is the second abutting section 421, and the contact portion on the second abutting section 421 is the second contact portion 4211; the abutting section of the third conductive spring 430 is the third abutting section 431, and the contact portion on the third abutting section 431 is the third contact portion 4311.

[0175] Along the insertion direction of the connector 600 (i.e., from the mounting port 320 toward the bottom wall of the mounting cavity 310), the distances of each contact portion from the bottom wall of the mounting cavity 310 are distributed in a gradient. Specifically, the first contact portion 4111 is furthest from the bottom wall of the mounting cavity 310, i.e., closest to the mounting port 320; the third contact portion 4311 is next, located in the middle position; and the second contact portion 4211 is closest to the bottom wall of the mounting cavity 310, i.e., furthest from the mounting port 320.

[0176] To achieve the aforementioned height differences, the length of the contact section of each conductive spring can be adjusted accordingly. For example, the first contact section 411 of the first conductive spring 410 is the longest, allowing its first contact portion 4111 to extend to the position closest to the mounting opening 320; the third contact section 431 of the third conductive spring 430 has a moderate length; and the second contact section 421 of the second conductive spring 420 is the shortest, placing its second contact portion 4211 at the deepest position. Furthermore, the fixed positions of the connecting sections of each conductive spring on the bottom wall of the mounting cavity 310 can also be staggered along the insertion direction to accommodate variations in the length of the contact section.

[0177] Accordingly, the connector 600 has three contacts along its own direction (i.e., the insertion direction), located at axial positions corresponding to the first contact portion 4111, the third contact portion 4311, and the second contact portion 4211, respectively. When the connector 600 is inserted into the mounting port 320, it first contacts the first contact portion 4111 and forms an elastic clamp. As insertion continues, it contacts the third contact portion 4311 and the second contact portion 4211 in sequence until it is fully inserted. At the same time, the three contact portions form a reliable electrical connection with their respective contacts.

[0178] Optionally, each contact portion can adopt an arc-shaped clamping surface or a contact protrusion structure, the specific shape of which can be selected according to actual needs. Each conductive spring can be isolated from each other by an insulating partition to prevent contact short circuits during elastic deformation.

[0179] In this embodiment, since the first contact portion 4111, the third contact portion 4311, and the second contact portion 4211 are arranged sequentially along the insertion direction, the connector 600 gradually overcomes the elastic resistance of each conductive spring during insertion, rather than bearing the clamping force of all springs simultaneously. This hierarchical contact mechanism distributes the total insertion force to different insertion stages, effectively reducing the peak insertion force and improving the user's insertion and removal experience.

[0180] Initially, only the first contact portion 4111 contacts the first contact point of the connector 600, at which point the connector 600 is not yet fully positioned. As the insertion depth increases, the third contact portion 4311 and the second contact portion 4211 sequentially engage in contact, gradually correcting the orientation of the connector 600 until it is precisely aligned with each contact portion. This progressive alignment mechanism effectively avoids misalignment or jamming caused by simultaneous multi-point contact, improving connection reliability.

[0181] During hot-plugging, the first contact point (first contact 4111) will be subjected to a large surge current or arcing impact. By positioning the first contact 4111 closest to the mounting port 320, it will be the first to contact and the last to disengage, thus bearing the main impact of arcing. The second contact 4211, which is the last to contact, will only establish a connection in a stable state, and will be subjected to minimal impact. This design concentrates the losses on the easily replaceable or highly durable first conductive spring 410, extending the service life of the entire power interface device.

[0182] In a vehicle vibration environment, the three contact points are located at different heights, which constrains the connector 600 in multiple axial positions, similar to a multi-point support structure. Compared to a situation where all contact points are at the same height, this axially staggered layout can more effectively resist the axial movement and radial sway of the connector 600, further improving contact stability.

[0183] In one possible embodiment, the first conductive spring 410 and the second conductive spring 420 are used to connect to a power source, and the third conductive spring 430 is used to connect to a signal.

[0184] And / or, the first contact portion 4111 is used to abut against the first electrical connection area 610 on the side wall of the connector 600.

[0185] And / or, the second contact portion 4211 is used to abut against the second electrical connection area 620 on the side wall of the connector 600.

[0186] And / or, the third contact portion 4311 is used to abut against the third electrical connection area 630 of the center portion of the connector 600.

[0187] In this embodiment, the first conductive spring 410 and the second conductive spring 420 are used to connect to the power supply, that is, to be electrically connected to the positive and negative terminals of the power supply, respectively, to provide power transmission for the vehicle-mounted electrical equipment. The third conductive spring 430 is used to connect signals, such as for transmitting data signals, detection signals, or grounding signals. In this way, power transmission and signal transmission are independently handled by different conductive springs, achieving functional separation.

[0188] Regarding the contact position, this embodiment provides a variety of optional or combined mating methods:

[0189] The first contact portion 4111 is used to abut against the first electrical connection area 610 on the side wall of the connector 600. The first electrical connection area 610 is located on the outer peripheral side wall of the connector 600, for example, it is an annular conductive strip or a local conductive sheet surrounding the side wall.

[0190] The second contact portion 4211 is used to abut against the second electrical connection area 620 on the side wall of the connector 600. The second electrical connection area 620 is also located on the side wall of the connector 600 and may be arranged axially offset from the first electrical connection area 610 or separated in the circumferential direction.

[0191] The third contact portion 4311 is used to abut against the third electrical connection area 630 at the center of the connector 600. The third electrical connection area 630 is located at the center of the end face of the connector 600 or inside the center hole, for example, as a center contact or center pin.

[0192] The three contact methods described above can be used individually or in any combination. For example, in a preferred embodiment, the first contact portion 4111 and the second contact portion 4211 respectively abut against two annular conductive strips on the side wall of the connector 600 to connect the positive and negative terminals of the power supply; simultaneously, the third contact portion 4311 abuts against the center contact point at the center of the connector 600 to achieve signal connection. This combination of internal and external contact layout makes full use of the different spatial dimensions of the connector 600.

[0193] To achieve contact at the center, the third abutment section 431 of the third conductive spring 430 can be designed to bend inward, so that its third contact portion 4311 is located near the central axis of the clamping space. The first abutment section 411 and the second abutment section 421 maintain a relatively lateral clamping structure.

[0194] Optionally, the first electrical connection region 610 and the second electrical connection region 620 may be located at different axial positions on the sidewall of the connector 600, corresponding to the height difference between the first contact portion 4111 and the second contact portion 4211. The third electrical connection region 630 may be located at the center of the end face of the connector 600, matching the position of the third contact portion 4311.

[0195] In this embodiment, the power transmission function is assigned to the first conductive spring 410 and the second conductive spring 420, while the signal transmission function is assigned to the third conductive spring 430, thus achieving physical isolation between the power circuit and the signal circuit. This separation design effectively avoids ripple noise on the power line coupling to the signal line, ensuring the purity and integrity of signal transmission, and is particularly suitable for on-board charging scenarios requiring high-speed data transmission.

[0196] Furthermore, by positioning the first contact portion 4111 and the second contact portion 4211 to abut against the electrical connection area on the side wall of the connector 600, the large area and ease of positioning of the side wall provide a large contact area and stable clamping force. Simultaneously, positioning the third contact portion 4311 to abut against the electrical connection area at the center of the connector 600 leverages the advantage of the center being less susceptible to external force displacement, maintaining reliable contact even under vibration. This combined internal and external contact layout complements each other, further enhancing overall contact stability.

[0197] In other possible embodiments, the connecting segment of the first conductive spring 410 is the first connecting segment 412, the connecting segment of the second conductive spring 420 is the second connecting segment 422, and the connecting segment of the third conductive spring 430 is the third connecting segment 432.

[0198] The first conductive spring 410 also includes a first conductive segment 413, which extends from the first connecting segment 412, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310 for electrical connection with the first wire harness 20.

[0199] And / or, the second conductive spring 420 further includes a second conductive segment 423, which extends from the second connecting segment 422, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310 for electrical connection with the second wire harness 30.

[0200] And / or, the third conductive spring 430 also includes a third conductive segment 433, which extends from the third connecting segment 432, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310 for electrical connection with the third wire harness 40.

[0201] In this embodiment, the connecting segment of the first conductive spring 410 is designated as the first connecting segment 412, the connecting segment of the second conductive spring 420 is designated as the second connecting segment 422, and the connecting segment of the third conductive spring 430 is designated as the third connecting segment 432. Each connecting segment is fixed to the bottom wall of the mounting cavity 310.

[0202] To further facilitate electrical outgoing, this embodiment provides a variety of optional or combined outgoing structure options:

[0203] The first conductive spring 410 also includes a first conductive segment 413, which extends from the first connecting segment 412, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310 for electrical connection with the first wire harness 20. The first wire harness 20 may be a positive power supply wire harness.

[0204] The second conductive spring 420 also includes a second conductive segment 423, which extends from the second connecting segment 422, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310 for electrical connection with the second wiring harness 30. The second wiring harness 30 may be a negative power supply wiring harness.

[0205] The third conductive spring 430 also includes a third conductive segment 433, which extends from the third connecting segment 432, passes through the bottom wall of the mounting cavity 310, and extends to the outside of the mounting cavity 310 for electrical connection with the third wiring harness 40. The third wiring harness 40 may be a signal wiring harness.

[0206] The above three lead-out structures can be used individually or in any combination. For example, in a preferred embodiment, the first conductive segment 413, the second conductive segment 423, and the third conductive segment 433 are simultaneously provided and electrically connected to the corresponding first wire harness 20, second wire harness 30, and third wire harness 40, respectively, to achieve independent lead-out of power and signal. In another simplified embodiment, only the first conductive segment 413 and the second conductive segment 423 are provided for power connection, and the third conductive segment 433 of the third conductive spring 430 can be omitted and connected to the signal wire harness by other means (such as direct soldering).

[0207] The shape of each conductive segment can be designed according to the wiring space, such as being straight, L-shaped, or hook-shaped. A through-hole is provided on the bottom wall of the mounting cavity 310 corresponding to each conductive segment. After the conductive segment passes through the through-hole, its protruding part can be fixed to the wire harness terminal by welding, crimping, or plugging. To prevent short circuits, sufficient electrical clearance is maintained between each conductive segment, and insulating sleeves can be installed.

[0208] Optionally, the protruding portions of each conductive segment can be further sealed with a potting compound layer 1600 to improve protective performance, as described above.

[0209] In this embodiment, by providing an independent conductive segment for each conductive spring, the electrical lead-out paths of each conductive spring are made independent, avoiding current convergence or signal crosstalk caused by sharing lead-out points. Simultaneously, the independent conductive segments are connected to their respective wiring harnesses, facilitating differentiation and management within the overall vehicle wiring harness layout and reducing assembly and maintenance difficulties.

[0210] The conductive section extends integrally from the connecting section and passes through the mounting cavity 310, reducing intermediate connection links (such as jumpers or adapter terminals) and thus reducing the number of potential failure points. This integrated structure has higher mechanical strength in vehicle vibration environments, making it less prone to loosening or breakage, further consolidating the reliability of the electrical connection between the conductive spring and the wiring harness, and indirectly ensuring stable contact between the conductive spring and the connector 600 contacts.

[0211] In some possible embodiments, refer to Figure 12 , Figure 13 , Figure 14 and Figure 15 As shown, the clamping space between the two first abutting sections of the first conductive spring 410 is the first clamping space. The first clamping space is used to elastically clamp the first electrical connection area 610, and the first contact portion 4111 is located in the first clamping space.

[0212] And / or, the clamping space between the two second abutting sections of the second conductive spring 420 is the second clamping space, which is used to elastically clamp the second electrical connection area 620, and the second contact portion 4211 is located in the second clamping space.

[0213] And / or, the clamping space between the two third abutment sections of the third conductive spring 430 is the third clamping space, which is used to elastically clamp the third electrical connection area 630, and the third contact portion 4311 is located in the third clamping space.

[0214] In this embodiment, the clamping space between the two first abutment sections 411 of the first conductive spring 410 is referred to as the first clamping space. This first clamping space is used to elastically clamp the first electrical connection region 610, and the first contact portion 4111 is located within the first clamping space. When the connector 600 is inserted, the first electrical connection region 610 enters the first clamping space and is elastically clamped from both sides by the first contact portions 4111 on the two first abutment sections 411, forming a reliable electrical connection.

[0215] The clamping space between the two second abutment sections 421 of the second conductive spring 420 is referred to as the second clamping space. This second clamping space is used to elastically clamp the second electrical connection area 620, and the second contact portion 4211 is located within the second clamping space. When the connector 600 is inserted, the second electrical connection area 620 enters the second clamping space and is elastically clamped from both sides by the second contact portions 4211 on the two second abutment sections 421.

[0216] The clamping space between the two third abutment sections 431 of the third conductive spring 430 is referred to as the third clamping space. This third clamping space is used to elastically clamp the third electrical connection area 630, and the third contact portion 4311 is located within the third clamping space. When the connector 600 is inserted, the third electrical connection area 630 enters the third clamping space and is elastically clamped from both sides by the third contact portions 4311 on the two third abutment sections 431.

[0217] The three clamping spaces described above can be set individually or in any combination. For example, in a preferred embodiment, the first clamping space, the second clamping space, and the third clamping space coexist, respectively elastically clamping the first electrical connection area 610, the second electrical connection area 620, and the third electrical connection area 630, achieving independent clamping at three points. In another simplified embodiment, only the first and second clamping spaces are provided for power connection, and the third conductive spring 430 can use other contact methods (such as a single-sided spring contacting the center contact point) without forming a complete clamping space.

[0218] The width of each clamping space (i.e., the minimum distance between two abutting sections) is slightly smaller than the thickness of the corresponding electrical connection area to ensure sufficient elastic deformation and clamping force during insertion. The axial position of each clamping space matches the axial position of the corresponding electrical connection area to ensure accurate alignment of each contact after insertion.

[0219] In one embodiment, reference is made to... Figure 10 As shown, the mounting base 300 is provided with a first wire harness limiting part 330, a second wire harness limiting part 340 and a third wire harness limiting part 350. The first wire harness limiting part 330 is used to fix the first wire harness 20, the second wire harness limiting part 340 is used to fix the second wire harness 30, and the third wire harness limiting part 350 is used to fix the third wire harness 40.

[0220] In this embodiment, the mounting base 300 is provided with a first wire harness limiting part 330, a second wire harness limiting part 340, and a third wire harness limiting part 350. Specifically, these three wire harness limiting parts are physical structures disposed on the outside of the mounting base 300 (usually located on the side facing away from the interior trim 10), used to orderly constrain and fix the first wire harness 20, the second wire harness 30, and the third wire harness 40, respectively. Each wire harness limiting part can be designed in various forms, such as: a wire-holding groove with an opening into which the wire harness can be pressed and embedded; a bracket with a binding post or wire hole for cable ties to pass through to bundle the wire harness; or a pair of opposing clamping pieces forming a clamping space that can be elastically opened and closed.

[0221] During assembly and wiring, the operator guides and secures the first wire harness 20, the second wire harness 30, and the third wire harness 40, which emerge from the conductive spring contacts, to their corresponding wire harness limiting parts according to their electrical functions (such as positive power, negative power, and signal). For example, the first wire harness 20 from the first conductive spring contact 410 is snapped into or tied to the first wire harness limiting part 330; the second wire harness 30 from the second conductive spring contact 420 is fixed to the second wire harness limiting part 340; and the third wire harness 40 from the third conductive spring contact 430 is fixed to the third wire harness limiting part 350. In this way, after leaving the electrical connection point of the mounting base 300, the three wire harnesses are immediately diverted, guided, and mechanically locked onto their respective designated paths and positions, preventing the wire harnesses from tangling, drooping disorderly, or interfering with surrounding components.

[0222] In this embodiment, the wiring harnesses with different electrical functions (high-current power supply, low-current signal) are physically separated and independently fixed at the source, effectively preventing insulation wear and short-circuit risks caused by mutual friction and entanglement of the wiring harnesses, as well as interference from the electromagnetic field of the power line to the signal line. Each wiring harness limiting part provides an independent stress relief point for the corresponding wiring harness, which can absorb the mechanical energy transmitted to the wiring harness by vehicle vibration, preventing the vibration and the weight of the wiring harness itself from directly pulling on the fragile welding points or connection points of the conductive spring, thereby protecting the integrity of the entire electrical channel from the external wiring harness to the internal contact part, which is the basic guarantee for the long-term reliable electrical connection.

[0223] Furthermore, three clearly marked and fixed-position wire harness limiting points provide a clear "map" for wiring operations on the production line. Assembly workers can quickly and accurately place wires of different colors or labeled wires into their corresponding slots without needing to make judgments, achieving error-proof assembly. The standardized wiring method ensures that the internal wire harness layout of each product is exactly the same, which is not only aesthetically pleasing but also facilitates subsequent automated visual inspection (checking whether the wire harness is in the slot) and electrical testing, improving the consistency of production quality. Clear wire harness separation also facilitates fault diagnosis and circuit traceability.

[0224] Organizing and securing the wire harness in an orderly manner prevents tangled bundles from piling up behind the mounting base 300, promoting airflow and providing a better heat dissipation environment for the mounting base 300 and the wire harness connection points. When repairing or replacing a single wire harness, maintenance personnel can easily identify and operate on that harness individually without untying the entire bundle, greatly simplifying the maintenance process and reducing the risk of improper maintenance affecting other intact lines.

[0225] In other possible embodiments, in other embodiments, refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the power interface device also includes a decorative cover 100.

[0226] The decorative cover 100 is located on the side of the vehicle interior component 10 facing the vehicle interior. The decorative cover 100 has a first connecting portion 200 and a first insertion hole section 210.

[0227] Mounting seat 300 is located on the side of interior trim 10 facing the outside of the vehicle. Mounting seat 300 is provided with conductive part 400 and second connecting part 500. Second connecting part 500 is provided with second insertion hole section 510.

[0228] One of the first connecting portion 200 and the second connecting portion 500 passes through the interior trim 10 and is detachably connected to the other to clamp and fix the interior trim 10 between the decorative cover 100 and the mounting base 300.

[0229] When the first connecting part 200 is connected to the second connecting part 500, the first socket section 210 and the second socket section 510 are connected to form a socket channel. The conductive part 400 is located on the extension path of the socket channel and is used to electrically connect with the plug 600 inserted into the socket channel.

[0230] In this embodiment, the power interface device includes a decorative cover 100 and a mounting base 300. The decorative cover 100 is disposed on the side of the vehicle interior trim 10 facing the vehicle interior (i.e., the passenger compartment), and its exposed surface can be decoratively treated to coordinate with the interior environment. The mounting base 300 is disposed on the side of the interior trim 10 facing the vehicle exterior (e.g., the interior of the dashboard, the space behind the body sheet, etc.), and mainly carries the electrical connection function.

[0231] The decorative cover 100 is provided with a first connecting portion 200. The first connecting portion 200 extends from the back of the decorative cover 100 (i.e., the side facing the interior trim 10) toward the interior trim 10. A first insertion hole segment 210 extending axially is formed or provided on the first connecting portion 200. The first insertion hole segment 210 can be a through hole or a segment that connects to another part of the channel.

[0232] The mounting base 300 is provided with a conductive part 400 and a second connecting part 500. The conductive part 400 includes conductive terminals necessary for achieving electrical connection. The second connecting part 500 is provided with a second socket section 510, the size and shape of which are designed to connect with the first socket section 210.

[0233] The connection principle of the power interface device in this embodiment is as follows: one of the first connecting part 200 and the second connecting part 500 is configured to pass through a pre-set mounting hole on the interior trim 10 and achieve a detachable connection with the other. For example, in a specific implementation, the distal end of the first connecting part 200 can be designed as a column with external threads, which, after passing through the mounting hole of the interior trim 10, is screwed and fastened to a sleeve structure with matching internal threads provided on the second connecting part 500. Conversely, the second connecting part 500 can also pass through the interior trim 10 and connect to the first connecting part 200. Regardless of the specific mating method, after the first connecting part 200 and the second connecting part 500 are connected to each other, the interior trim 10 is tightly clamped and fixed between the decorative cover 100 and the mounting base 300. This bidirectional clamping fixing mode structurally constitutes a bidirectional mechanical constraint on the interior trim 10. Compared to related technologies that rely solely on a single elastic hook on one side of the interface body to partially engage with the edge of the interior trim 10 hole, the clamping and fixing structure provided in this embodiment can create a balanced and stable surface contact clamping force on both sides of the interior trim 10. This constraint method can more effectively suppress the displacement and movement of the interface device in all directions, significantly improving its connection rigidity and long-term reliability under vibration, impact, and repeated insertion and removal conditions.

[0234] As an optional implementation, the detachable connection between the first connecting portion 200 and the second connecting portion 500 can also be a snap-fit ​​connection. Specifically, the first connecting portion 200 can be configured as at least one axially extending claw, the free end of which has a barb or protrusion; correspondingly, the second connecting portion 500 can be configured as a slot or hole matching the shape of the claw. During assembly, the claw with the barb or protrusion passes through a pre-drilled through hole on one side of the interior trim 10 and is inserted into the slot on the other side of the interior trim 10 until the barb or protrusion crosses the edge of the slot and engages with it, thereby completing the reliable connection between the decorative cover 100 and the mounting base 300. Of course, the claw can also be provided on the second connecting portion 500, while the slot or hole is provided on the first connecting portion 200, with the same assembly principle and effect. To further improve the stability and vibration resistance of the connection, multiple claws can be evenly arranged along the circumference of the first connecting portion 200 or the second connecting portion 500.

[0235] More importantly, after the first connecting part 200 and the second connecting part 500 are connected and securely joined, the first socket segment 210 and the second socket segment 510 they carry are also aligned axially and connected to each other, thus forming a continuous socket channel for the insertion of the connector 600 (such as a data cable plug, power cord plug, etc.). The conductive part 400 on the mounting base 300 is arranged on the extension path of this socket channel. When the external connector 600 is inserted into place along this channel, its electrical contact points can reliably contact the corresponding conductive terminals on the conductive part 400, establishing a circuit connection.

[0236] The power interface device of this application embodiment abandons the existing fixing method that relies solely on a single-sided elastic buckle, and adopts a bidirectional cooperative clamping fixing structure. The interior trim 100 and mounting base 300, located on both sides of the interior trim 10, are mutually tightened through the first connecting part 200 and the second connecting part 500, firmly clamping the interior trim 10 between them, forming a uniformly distributed surface contact clamping force. This structure can effectively disperse and transfer the complex loads generated by vehicle vibration, user insertion and removal operations, etc., to a larger contact area and a more stable mechanical load-bearing path at the connecting part, avoiding problems such as fatigue, plastic deformation, or breakage that are prone to occur due to stress concentration in traditional elastic buckles. Therefore, even in long-term vibration environments or frequent insertion and removal conditions, it is difficult for the power interface device and the interior trim 10 to loosen, shake, or produce abnormal noise, thereby improving the mechanical stability and reliability of the connection between the power interface device and the interior trim 10.

[0237] Furthermore, a stable mechanical connection is the foundation for a reliable electrical connection. Thanks to the aforementioned robust clamping and fixing structure, the entire power interface device is firmly maintained relative to the interior trim 10, thereby ensuring the spatial stability of the terminals of the internal conductive part 400. This allows the external connector 600 to form a precise and consistent contact pressure circuit connection with the terminals of the conductive part 400 upon insertion, effectively avoiding problems such as increased terminal contact resistance, arcing, or momentary signal interruption caused by minor movements of the entire device. Therefore, this device significantly improves the continuity and reliability of power and signal transmission, eliminates safety hazards such as poor electrical contact caused by loose interfaces, and effectively enhances the stability and safety of the electrical connection.

[0238] Furthermore, the decorative cover 100, mounting base 300, and their connecting parts (which can integrate conventional connection structures such as threads and snaps) are easy to design and manufacture. The assembly process is straightforward and efficient: simply place the mounting base 300 on the outside of the interior trim 10, place the decorative cover 100 on the inside, and align their connecting parts with the mounting holes of the interior trim 10 to connect and secure them together. This process requires no special tools, which helps improve the assembly efficiency of the production line and also facilitates subsequent maintenance or replacement.

[0239] In summary, the power interface device of this application, through its bidirectional clamping and fixing structure, effectively solves the problem of insufficient installation stability of existing vehicle power interface devices, and achieves simultaneous optimization of mechanical connection strength and electrical connection reliability.

[0240] In another embodiment, reference Figure 2 , Figure 3 and Figure 4 As shown, the first connecting part 200 extends toward the interior trim 10 and passes through the interior trim 10, and is detachably connected to the second connecting part 500.

[0241] In this embodiment, the first connecting portion 200 extends from the decorative cover 100 toward the interior trim 10, with its distal end (i.e., free end) passing through a pre-set mounting hole on the interior trim 10 and detachably connected to the second connecting portion 500 provided on the mounting base 300. The first connecting portion 200 on the decorative cover 100 can be designed as a columnar, cylindrical, or protruding portion with a specific guiding structure. The interior trim 10 is provided with a through hole that matches the shape of the first connecting portion 200. During assembly, the mounting base 300, which carries the conductive portion 400 and the second connecting portion 500, is first placed on the side of the interior trim 10 facing the outside of the vehicle, and the second connecting portion 500 is aligned with the through hole on the interior trim 10. Then, the decorative cover 100 is fitted against the inside of the interior trim 10 from inside the vehicle, allowing the first connecting portion 200 to be inserted and pass through the through hole. Finally, the distal end of the first connecting portion 200 is manipulated to connect with the second connecting portion 500 located on the outside of the interior trim 10. The connection method can be any of the conventional mechanical detachable connection methods such as thread engagement, snap locking, or knob locking.

[0242] When the first connecting part 200 is connected and fastened to the second connecting part 500, the interior trim 10 is tightly clamped between the base of the decorative cover 100 and the mounting base 300, thereby achieving a secure integration of the power interface device and the interior trim 10.

[0243] In this embodiment, the first connecting portion 200 is designed to pass through the interior trim 10. This allows the main fastening force (such as thread preload) to be transmitted through this rigid component during final tightening, forming a more direct and stable force path that pulls the interior trim 10 from the inside to the outside. This helps reduce fretting at the connection point, resulting in a more uniform and reliable clamping state, further consolidating the stable effect of bidirectional clamping.

[0244] In one embodiment, reference is made to... Figure 2 , Figure 5 , Figure 6 and Figure 7As shown, it also includes a mounting sleeve 700, which is disposed within the second socket section 510; at least a portion of the first connecting portion 200 is connected within the mounting sleeve 700, thereby connecting the first socket section 210 with the second socket section 510.

[0245] In this embodiment, a mounting sleeve 700 is added to the power interface device. The mounting sleeve 700 is fixedly disposed inside the second socket section 510 of the mounting base 300. Specifically, the mounting sleeve 700 can be a bushing, guide sleeve, nut, etc., made of metal or engineering plastic, and its outer wall shape matches the inner wall shape of the second socket section 510. It can be fixed inside the second socket section 510 by interference fit, bonding, or snap-fit.

[0246] In this structure, at least a portion (typically the distal portion) of the first connecting portion 200 passing through the interior trim 10 in the aforementioned embodiment does not directly mate with the inner wall of the second insertion segment 510, but is inserted into and connected to the inner cavity of the mounting sleeve 700. The connection method can be a tight fit, a threaded connection, or a snap-fit ​​connection, etc. When the first connecting portion 200 is connected to the mounting sleeve 700, since the mounting sleeve 700 itself is precisely aligned with the second insertion segment 510, it can naturally guide and ensure that the first insertion segment 210 carried by the first connecting portion 200 and the second insertion segment 510 on the mounting base 300 achieve precise axial alignment and reliable end face connection, thereby forming a continuous insertion channel.

[0247] In this embodiment, the mounting sleeve 700 serves as a precision reference component pre-installed within the second insertion segment 510, providing a natural guide and positioning reference for the insertion of the first connecting part 200. This effectively eliminates potential axial misalignment or angular deviation that may occur when the first insertion segment 210 and the second insertion segment 510 are connected due to machining tolerances or accumulated assembly errors, ensuring that the two can achieve coaxial connection quickly and accurately, significantly improving the assembly success rate and accuracy.

[0248] Meanwhile, the mounting sleeve 700 can be made of a material that is more wear-resistant and has higher strength than the mounting base 300. When the first connecting part 200 mates with the inner wall of the mounting sleeve 700, the main frictional, wear, and torsional loads are borne by the mounting sleeve 700. This not only protects the main structure of the second insertion hole section 510 on the mounting base 300 from wear, but also improves the overall connection part's resistance to repeated insertion and removal and torsion through a more durable mating pair, thereby extending the overall service life of the product and maintaining the stability of the connection for long-term use.

[0249] Furthermore, this modular design of "mounting base 300 + mounting sleeve 700" allows the mounting base 300 to be designed to be more universal, and by replacing the mounting sleeve 700 with different inner diameters or interface specifications, it can be adapted to different models of the first connecting part 200 or the plug-in part 600, thereby enhancing the product's adaptability and serial expansion capabilities.

[0250] As an independent consumable or functional component, the mounting sleeve 700 can be replaced separately when it wears out due to long-term use or when the interface specifications need to be changed, without having to scrap the entire mounting base 300 or decorative cover 100. This greatly reduces the product's later maintenance costs and complexity.

[0251] In another embodiment, reference Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the inner wall of the mounting sleeve 700 is provided with a first internal thread 710, and at least a portion of the outer wall of the first connecting part 200 is provided with a first external thread 220 that mates with the first internal thread 710; the first connecting part 200 is connected to the mounting sleeve 700 through the mating of the first external thread 220 and the first internal thread 710.

[0252] In this embodiment, a first internal thread 710 is machined or formed on the inner wall of the mounting sleeve 700. Correspondingly, a first external thread 220 matching the pitch and tooth profile of the first internal thread 710 is machined or formed on at least a portion of the outer wall of the first connecting portion 200.

[0253] In practice, the mounting sleeve 700, as a precision bushing with internal threads, is pre-fixed to the second insertion hole section 510 of the mounting base 300 by interference fit, bonding, or other means. During assembly, the operator (or automated equipment) aligns the first connecting portion 200 (whose distal end has been machined with external threads) on the trim cover 100 with the mounting hole of the trim part 10 from the inside of the vehicle interior trim 10. Then, the trim cover 100 or the first connecting portion 200 is rotated so that the first external thread 220 on the outer wall of the first connecting portion 200 engages with the first internal thread 710 on the inner wall of the mounting sleeve 700. Through continuous rotation, the first connecting portion 200 is screwed into the mounting sleeve 700 along the threaded pair until the predetermined tightening position or torque is reached. During this process, the guiding effect of the threads allows the first connecting portion 200 to be smoothly and accurately inserted and finally tightened in the mounting sleeve 700. When the threaded connection is in place, the first insertion hole section 210 carried by the first connecting part 200 and the second insertion hole section 510 on the mounting base 300 naturally achieve a tight, coaxial end face connection, forming an insertion hole channel together.

[0254] In this embodiment, the engagement of the first internal thread 710 and the first external thread 220 generates a large and controllable axial preload between the decorative cover 100 and the mounting base 300. This preload is directly converted into a stronger and more uniform "bidirectional clamping" force between the decorative cover 100 and the mounting base 300 on the interior trim 10 through the mounting sleeve 700 and the first connecting part 200. Compared to simple plug-in or snap-fit ​​connections, threaded connections can more effectively resist the axial loosening tendency caused by vehicle vibration, and the stability and anti-loosening properties of the connection are improved by orders of magnitude, achieving quantifiable and repeatable high-reliability locking.

[0255] Furthermore, the multi-turn continuous engagement of the threaded pair provides a contact and load-bearing path far longer than that of ordinary snap-fit ​​connections. Under the complex vibration and impact environment of vehicle operation, vibration energy is absorbed and dissipated by the continuous friction between the threaded meshing surfaces and the elastic deformation of the threads themselves, thus greatly suppressing the minute relative displacement of the connection caused by vibration and impact. This fundamentally solves the industry problem of potential loosening of connections under long-term vibration conditions, ensuring the stable connection between the power interface device and the interior trim 10 throughout its entire lifespan.

[0256] Because threaded connections allow for precise control of the insertion depth of the first connecting part 200 by controlling the number of rotations or the final torque, this ensures that the connection surfaces of the first insertion section 210 and the second insertion section 510 are always in the optimal sealing or mating position. Furthermore, the inherent detachability of threaded connections greatly facilitates on-site installation and commissioning, as well as subsequent maintenance (such as replacing the decorative cover 100 or repairing internal electrical components). Disassembly is achieved without damage simply by reversing the rotation, thus unifying high stability with high maintainability.

[0257] In some embodiments, the end of the first connecting portion 200 facing the second connecting portion 500 is provided with at least one first engaging portion, which is disposed around the first insertion hole segment 210; the end of the second connecting portion 500 facing the first connecting portion 200 is provided with at least one second engaging portion, which is disposed around the second insertion hole segment 510; the first engaging portion and the second engaging portion engage with each other.

[0258] In this embodiment, at least one first engaging portion is integrally formed or fixedly provided at the end of the first connecting portion 200 facing the second connecting portion 500. The first engaging portion can be an independent component or a non-independent component. When it is a non-independent component, it is a structural feature formed on the outer edge of the end of the first connecting portion 200, arranged in a manner surrounding the first insertion hole segment 210. This first engaging portion can take the form of a continuous annular retaining edge, a retaining ring with a notch, or multiple retaining blocks or hooks distributed circumferentially. Similarly, at least one second engaging portion is correspondingly provided at the end of the second connecting portion 500 facing the first connecting portion 200, and this second engaging portion is also arranged in a manner surrounding the second insertion hole segment 510. The second engaging portion can be an annular retaining groove or retaining platform whose shape is complementary to the first engaging portion, or multiple retaining slots or retaining positions.

[0259] During assembly, the operator aligns the end of the first connecting part 200 with the end of the second connecting part 500. Axial pressure is applied to bring them closer together. At this time, the first engaging part (such as the guide slope of a hook) contacts the second engaging part (such as the edge of a slot), and the pressure forces the elastic engaging part (or a portion thereof) to undergo a brief elastic deformation. When both are pushed to the designed position, the deformed engaging part returns to its original shape or slides into the corresponding position, so that the first engaging part and the second engaging part hook, fit, or lock together, forming a mutually engaged state. At this time, the interior trim 10 is tightly clamped, and the first insertion hole section 210 and the second insertion hole section 510 are precisely aligned.

[0260] In this embodiment, the interlocking structure forms a mechanical interlock after it is in place, which can effectively resist vibrations from all directions during vehicle operation, prevent the connection from moving slightly or loosening due to vibration, and ensure the stability of the "bidirectional clamping" fixation.

[0261] Specifically, at least one recess is provided on the outer peripheral wall or end face of the mounting base 300; correspondingly, at least one protrusion is provided on the inner peripheral wall or end face of the decorative cover 100. The protrusion has a guide slope and a stop surface, wherein the guide slope is arranged in the tightening direction of the decorative cover 100, and the stop surface is arranged in the loosening direction of the decorative cover 100. During assembly, when the decorative cover 100 is rotated clockwise (tightening direction), the guide slope of the protrusion abuts against the edge of the recess and guides the protrusion to slide smoothly into the recess; while when subjected to an external force counterclockwise (loosening direction), the stop surface of the protrusion abuts perpendicularly against the side wall of the recess, forming a rigid barrier, thereby effectively preventing the decorative cover 100 from loosening in the reverse direction.

[0262] In another embodiment, a mounting sleeve 700 is pre-fixed within the second insertion section 510 of the mounting base 300. The inner wall of the mounting sleeve 700 is machined with a first internal thread 710. On the outer wall of the distal end of the first connecting portion 200 of the decorative cover 100 (i.e., the portion passing through the interior trim 10), a first external thread 220 matching the first internal thread 710 is machined, forming a first connecting mechanism.

[0263] Meanwhile, at the end of the first connecting portion 200 (i.e., the end in the screw-in direction), at least one first engaging portion is provided, which surrounds the first insertion hole segment 210. At the corresponding end of the second connecting portion 500, at least one second engaging portion is provided, which surrounds the second insertion hole segment 510, forming a second connecting mechanism. In this embodiment, the first engaging portion is a protrusion protruding from the end surface of the first connecting portion 200, and the second engaging portion is a recessed recess in the end surface of the second connecting portion 500. The protrusion has a guide arc surface and a stop surface, wherein the guide arc surface is arranged towards the tightening direction of the decorative cover 100, and the stop surface is arranged towards the loosening direction of the decorative cover 100.

[0264] The sequence of action of the two mechanisms is as follows: first, the threaded connection is completed, and then the locking is achieved when the thread is tightened to the correct position.

[0265] The specific assembly process is as follows:

[0266] The operator passes the first connecting part 200 through the mounting hole of the interior trim 10, aligning its first external thread 220 with the first internal thread 710 of the mounting sleeve 700. Through rotation, the first connecting part 200 is smoothly and precisely pulled toward the mounting base 300. The guiding effect of the threads ensures the precise coaxial alignment of the first insertion section 210 and the second insertion section 510, while generating an initial axial clamping force to initially clamp the interior trim 10.

[0267] When the first connecting part 200 is screwed into a preset position (e.g., reaching a predetermined torque or number of turns), the protrusion at its end and the recess at the end of the second connecting part 500 are precisely engaged in the designed axial direction. At this time, under the small torque of continued rotation, the guide arc surface of the protrusion smoothly contacts the edge of the recess and guides the protrusion to slide into the recess, forming a mechanically interlocked state. When subjected to an external force in the loosening direction, the stop surface of the protrusion abuts perpendicularly against the side wall of the recess, forming a rigid barrier, thereby effectively preventing the decorative cover 100 from rotating in the reverse direction.

[0268] In this embodiment, the threaded pair itself has excellent anti-loosening properties, providing the main axial holding force. Based on this, the protrusion and recess at the engagement point form a physical anti-rotation lock, effectively suppressing the slight tendency of the thread to rotate and loosen under complex multi-directional vibration environments. This multi-dimensional constraint of "axial thread locking and circumferential engagement anti-rotation" provides redundant safety assurance for the power interface device throughout the vehicle's entire lifecycle.

[0269] In other possible embodiments, refer to Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the mounting sleeve 700 is fixed inside the second insertion hole section 510 by a snap-fit ​​structure; the snap-fit ​​structure includes a first snap-fit ​​part 720 disposed on the outer wall of the mounting sleeve 700, and a second snap-fit ​​part 511 disposed on the inner wall of the second insertion hole section 510 and cooperating with the first snap-fit ​​part 720.

[0270] In this embodiment, the mounting sleeve 700 is quickly and reliably fixed within the second insertion section 510 through a specially designed snap-fit ​​structure.

[0271] Specifically, the snap-fit ​​structure consists of two mutually cooperating parts: the first part is a first snap-fit ​​portion 720 disposed on the outer wall of the mounting sleeve 700. This first snap-fit ​​portion 720 may be an annular flange extending circumferentially along the outer wall of the mounting sleeve 700, multiple spaced protrusions, or a hook with a specific guide surface. The second part is a second snap-fit ​​portion 511 disposed correspondingly on the inner wall of the second insertion hole section 510. This second snap-fit ​​portion 511 may be an annular groove, multiple recesses, or a slot, etc., that is complementary in shape to the first snap-fit ​​portion 720.

[0272] During assembly, the mounting sleeve 700 is pushed in along the axial inlet of the second insertion section 510. When the mounting sleeve 700 is pushed in to a preset depth, the first engaging portion 720 (e.g., a protrusion) on its outer wall, guided by elastic deformation or a guide ramp, passes over the mating structure (e.g., a chamfered opening or a boss) on the inner wall of the second insertion section 510, and finally engages with the second engaging portion 511 (e.g., a groove). At this time, the first engaging portion 720 and the second engaging portion 511 hook, fit, or limit each other, thereby restricting the movement of the mounting sleeve 700 in the axial and / or circumferential directions, firmly locking it in a designated position within the second insertion section 510, preventing it from easily falling off. Subsequently, the first connecting portion 200 (e.g., via threads) is then connected to the inner wall of the already fixed mounting sleeve 700.

[0273] In this embodiment, the snap-fit ​​structure eliminates the curing time required for adhesive bonding or the large pressure required for interference fit, allowing the mounting sleeve 700 to be snapped into place with a simple linear pressing action, resulting in extremely high assembly efficiency. Simultaneously, the engagement of the snap-fit ​​parts (such as the flange and groove) precisely defines the final axial and circumferential position of the mounting sleeve 700 within the second insertion section 510, ensuring the concentricity of its inner hole with the channel of the second insertion section 510, thus laying the foundation for the subsequent connection of the first connecting part 200.

[0274] Furthermore, this snap-fit ​​method facilitates automated assembly, allowing robots or automated equipment to easily perform precise pressing operations. Consistent engagement or positioning signals also facilitate rapid quality inspection on the production line (e.g., via force-displacement sensors), ensuring that each mounting sleeve 700 is correctly and securely installed, improving production consistency and product yield.

[0275] The snap-fit ​​structure provides sufficient holding force under normal use to resist vehicle vibrations and the reaction force generated when the first connecting part 200 is screwed in, ensuring that the mounting sleeve 700 does not shift. Simultaneously, when maintenance or replacement is required, the snap-fit ​​can usually be disengaged using specialized tools or by applying force at a specific angle, allowing for non-destructive removal of the mounting sleeve 700. This is more beneficial for subsequent maintenance and component replacement than adhesive bonding or interference fits, reducing total lifecycle costs.

[0276] The standardized snap-fit ​​interface allows the mounting sleeve 700 to be designed as an independent, interchangeable functional module. This enables the rapid development of product models compatible with different power interface standards by replacing the mounting sleeve 700 with those having different inner diameters, internal thread specifications, or internal structures, without altering the main mold of the mounting base 300. This significantly enhances the product line's scalability and market responsiveness.

[0277] Some snap-fit ​​structures (such as the fit between elastic hooks and slots) have a certain degree of elastic deformation capability. This local elasticity can play a role in slight buffering and damping when vehicle vibrations are transmitted to the mounting base 300, absorbing some of the high-frequency vibration energy, thereby indirectly helping to protect the delicate internal electrical connections and further improving the reliability of the entire power interface device in dynamic environments.

[0278] In other embodiments, refer to Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the first snap-fit ​​portion 720 consists of a plurality of protrusions spaced apart circumferentially along the outer wall of the mounting sleeve 700; the second snap-fit ​​portion 511 consists of a plurality of grooves spaced apart circumferentially along the inner wall of the second insertion hole section 510, with the protrusions engaging with the grooves.

[0279] In this embodiment, the first engaging portion 720 specifically comprises a plurality of protrusions spaced circumferentially along the outer wall of the mounting sleeve 700. These protrusions may be wedge-shaped blocks, hemispherical protrusions, or partial bosses integrally formed on the outer wall of the mounting sleeve 700, and they are arranged uniformly or non-uniformly in the circumferential direction. Correspondingly, the second engaging portion 511 specifically comprises a plurality of grooves correspondingly provided circumferentially along the inner wall of the second insertion hole section 510 of the mounting base 300. The shapes of these grooves are complementary to the protrusions and may be blind grooves or through grooves.

[0280] During assembly, the mounting sleeve 700 is axially pushed into the second insertion hole section 510. When the mounting sleeve 700 is pushed to the designed position, all the protrusions align with their corresponding grooves in the circumferential direction, completing the engagement. This multi-point synchronous engagement structure allows the protrusions and grooves to form a mechanical interlock at multiple positions in the circumferential direction.

[0281] It should be noted that, in this embodiment, the mounting sleeve 700 can specifically be a knurled nut.

[0282] In this embodiment, multiple pairs of protrusions and grooves spaced circumferentially form multiple uniformly or symmetrically arranged anchoring points on the entire circumference of the mounting sleeve 700. The rotational torque generated when the first connecting part 200 (e.g., by thread) is screwed into the mounting sleeve 700, or the circumferential torque transmitted by vehicle vibration, will be distributed across multiple engagement points to be shared. This avoids the risk of damage or detachment of a single-point or single-sided snap-fit ​​structure due to excessive torsional load, greatly enhancing the absolute reliability of the mounting sleeve 700 under complex stress conditions in terms of resistance to rotation and loosening, making it particularly suitable for connection scenarios requiring the transmission or bearing of a certain torque.

[0283] Furthermore, under continuous vibration conditions, the multi-point engagement is equivalent to providing "multi-pillar" support for the mounting sleeve 700. Vibration energy is dissipated across multiple elastic contact pairs, significantly suppressing the risk of failure due to vibration fatigue at any single engagement point. Even if the preload of a certain protrusion-recess pair decreases slightly due to material creep, the remaining engagement points can still provide sufficient holding force. The system has high redundancy, ensuring long-term stability of the engagement and fixation effect under vibration conditions throughout the vehicle's entire life cycle.

[0284] Furthermore, the circumferential spacing avoids stress concentration. When the mounting sleeve 700 is subjected to axial tensile force or internal pressure, the load is evenly distributed to multiple corresponding areas on the inner wall of the second insertion section 510 through multiple protrusions, preventing excessive local stress from causing the plastic parts to whiten, crack, or permanently deform. Similarly, the stress on the inner wall of the second insertion section 510 is also more dispersed, protecting the main structure of the mounting base 300. This balanced stress state significantly improves the mechanical durability and service life of the snap-fit ​​structure and even the entire mounting base 300 assembly.

[0285] Simultaneously, multiple protrusions are circumferentially aligned with multiple grooves. This design itself provides precise circumferential and radial constraints on the final assembly position of the mounting sleeve 700, effectively correcting minor eccentricity errors and ensuring that the inner hole axis of the mounting sleeve 700 is coaxial with the axis of the second insertion hole section 510. This provides crucial assurance for the connection of the first connecting part 200 and the smoothness of the final insertion hole channel.

[0286] In some possible embodiments, the outer wall of the mounting sleeve 700 is provided with a first anti-fooling part (not shown in the figure), and the inner wall of the second insertion hole section 510 is provided with a second anti-fooling part (not shown in the figure) that cooperates with the first anti-fooling part.

[0287] In this embodiment, a first anti-foolproof part is provided on the outer wall of the mounting sleeve 700. This first anti-foolproof part is a structure with specific geometric features, such as a boss, a guide rib at a specific angle, a protrusion of a unique size, or a non-circular symmetrical plane, or a protrusion on the outer wall of the mounting sleeve 700 in the above embodiment. It should be noted that this protrusion is different in color from other protrusions on the outer wall of the mounting sleeve 700, so as to facilitate the user to quickly locate this protrusion.

[0288] Accordingly, on the inner wall of the second socket section 510 of the mounting base 300, a second anti-fooling part is machined or formed that perfectly matches and complements the first anti-fooling part in shape, position, and orientation. This second anti-fooling part can be, for example, a recessed area at a specific location, a narrow groove for guide ribs to slide into, or a non-circular mating surface. It can also be a groove on the inner wall of the second socket section 510. It should be noted that this groove is a different color from other grooves on the inner wall of the second socket section 510, so as to facilitate the user to quickly locate this groove.

[0289] In this embodiment, the explicit mistake-proof design provides intuitive physical guidance for assembly operations. Operators do not need to carefully identify markings or make repeated attempts; they can quickly find the correct insertion position by feel alone, thereby shortening assembly time and making the assembly process smoother and more user-friendly. For automated assembly lines, this feature also facilitates accurate orientation recognition and verification by visual or force sensors.

[0290] Furthermore, the geometric fit between the first and second anti-mistake parts physically and uniquely locks the precise circumferential angle of the mounting sleeve 700 within the second insertion section 510. This forced angular positioning directly determines the absolute circumferential phase of the threads (or other connecting structures) on the inner wall of the mounting sleeve 700. When the first connecting part 200 is screwed into the mounting sleeve 700 via threads or other means, its own orientation is thus uniquely determined and fixed. Finally, when the connector 600 is inserted into the insertion channel formed by the first connecting part 200 and the mounting base 300, its final insertion angle and position are also constrained and determined by this interlocking mechanism. Therefore, this anti-mistake structure fundamentally ensures the consistency and repeatability of the entire chain of spatial positions from the mounting base 300, the mounting sleeve 700, the first connecting part 200 to the final connector 600.

[0291] For multi-pole, polarized, or position-sensitive power / signal interfaces, even minute angular deviations in the connector 600 can lead to poor contact or functional failure. The foolproof design of this embodiment, through the aforementioned full-chain fixing, ensures that every electrical connection area on the connector 600 is perfectly aligned with the corresponding terminal on the conductive part 400 inside the power interface device each time it is inserted. This eliminates contact uncertainties caused by accumulated component assembly tolerances or arbitrary insertion angles by the user, resulting in extremely high contact pressure consistency and signal integrity in the electrical connection. It eliminates the risk of increased contact resistance, arcing, signal errors, or physical damage to the interface caused by angular deviations, thus improving the reliability of the electrical connection.

[0292] Furthermore, the fixed position across the entire chain ensures that every insertion and removal operation is performed under identical mechanical and electrical conditions. This avoids uneven wear of terminals, localized stress concentration, or abnormal stress on the connector housing caused by changes in position or angle, resulting in more uniform wear on all terminals and significantly extending the interface's insertion and removal life.

[0293] In some embodiments, the outer peripheral wall of the mounting base 300 is also provided with an alignment mark (not shown in the figure), which is used to indicate the installation orientation of the mounting sleeve 700.

[0294] In this embodiment, an alignment mark is added to the outer peripheral wall of the mounting base 300. The alignment mark is a mark with clear visual or tactile identification features, and its form can be a raised arrow, a recessed triangle, a contrasting color block, a scribed line, or a specific graphic symbol. This alignment mark is precisely positioned at a specific circumferential orientation on the outer peripheral wall of the mounting base 300, and this orientation is pre-aligned circumferentially with directional features on the mounting sleeve 700 (e.g., a first anti-fooling part, a marking point, or an asymmetrical structure on the outer wall of the mounting sleeve 700).

[0295] The specific assembly operation is as follows: Before inserting the mounting sleeve 700 into the second insertion section 510 of the mounting base 300, the operator first observes the alignment marks on the outer peripheral wall of the mounting base 300 to clarify the indicated orientation. Then, the circumferential angle of the mounting sleeve 700 is adjusted so that its directional features (e.g., the side where the anti-foolproof boss is located) are aligned with the direction indicated by the alignment marks on the mounting base 300. Finally, while maintaining this alignment, the mounting sleeve 700 is axially pushed or screwed into the second insertion section 510. During this process, the alignment marks serve as an external, visual reference, particularly useful when the internal structure of the mounting base 300 is not visible after installation on the vehicle, or in scenarios with poor lighting or limited operating space, providing crucial guidance for the predetermined orientation of the mounting sleeve 700.

[0296] In this embodiment, when the internal structure of the mounting base 300 is not visible, the alignment marks on the outer peripheral wall provide a unique and clear external orientation reference. This transforms the circumferential alignment operation of the mounting sleeve 700 from a "blind operation" or "trial and error" process relying on feel and experience into a direct and definite "visual positioning" process. This not only significantly shortens the assembly time of individual components and improves the assembly line cycle time, but also prevents assembly rework caused by incorrect orientation judgment from the outset, ensuring a high pass rate for the first assembly.

[0297] In another possible embodiment, refer to Figure 3 and Figure 4 As shown, the first connecting part 200 is disposed on the side of the decorative cover 100 facing the interior part 10; the decorative cover 100 is provided with a plug-in inlet 110, which is connected to the first plug hole section 210.

[0298] In this embodiment, the first connecting portion 200 is disposed on the side of the decorative cover 100 facing the interior trim 10, i.e., the back or mounting surface of the decorative cover 100. This arrangement allows the first connecting portion 200 to extend discreetly toward the interior trim 10, ensuring the neatness and aesthetics of the exposed surface of the decorative cover 100.

[0299] Furthermore, a plug-in port 110 is provided on the exposed body of the decorative cover 100. This plug-in port 110 is an opening penetrating the thickness of the decorative cover 100, and its shape and size are designed to allow the terminal portion of an external connector 600 (such as a data cable plug) to pass smoothly. More importantly, this plug-in port 110 is directly connected inside the decorative cover 100 to the starting end (or port) of the first socket segment 210 provided on the first connecting portion 200. That is, a connector 600 entering through the plug-in port 110 will enter the channel defined by the first socket segment 210 without obstruction. This connection structure provides a clear and smooth starting point for the plug-in path from the outside to the inside at the decorative cover 100.

[0300] In the assembled state, the decorative cover 100 is fitted against the inner side of the interior trim 10 with its back side facing inward. At this time, the insertion port 110 on the decorative cover 100, the first insertion hole segment 210 in the first connecting portion 200, the second insertion hole segment 510 on the mounting base 300, and the conductive portion 400 together form a continuous insertion channel extending from the vehicle interior to the electrical contact. The user can complete the connection by aligning the connector 600 with the insertion port 110 on the decorative cover 100 from the passenger compartment side.

[0301] In this embodiment, the insertion port 110, which is directly opened on the exposed surface of the decorative cover 100 and communicates with the internal channel, provides a unique, clear, and visible physical guide for the user to insert the connector 600. Users do not need to guess or fumble for the insertion point, greatly improving ease of use, intuitiveness, and user experience. The design of this port (such as chamfered edges and halo decorations) can also be integrated with the interior design style, enhancing the product's aesthetics.

[0302] Furthermore, the insertion port 110 and the first insertion hole section 210 are integrated and connected in the structure of the decorative cover 100, ensuring precise axial guidance from the entrance to the internal channel. This effectively prevents improper scraping, jamming, or lateral impact on the conductive terminals caused by the insertion port deviation during the initial insertion of the connector 600, protecting the internal precision structure and ensuring smoothness and precision in every insertion and removal action.

[0303] Furthermore, the connector 110 can serve as a controllable interface, and its design facilitates the integration of accessories such as dust covers and sealing rings. Precise alignment with the internal channels means that when no connector 600 is inserted, this connector acts as an effective dust and moisture barrier; when connector 600 is inserted, the tight fit reduces the risk of foreign objects entering deeper electrical areas, improving the product's environmental adaptability and long-term reliability.

[0304] In some embodiments, reference is made to Figure 3 and Figure 4 As shown, the projection of the first connecting portion 200 toward the decorative cover 100 is located inside the decorative cover 100.

[0305] In this embodiment, the first connecting portion 200 is explicitly defined to project toward the main body of the decorative cover 100 in a direction perpendicular to the plane of the interior trim 10 (i.e., approximately along the thickness direction of the decorative cover 100), and the resulting projected outline is completely within the plane outline boundary of the decorative cover 100 itself.

[0306] Specifically, the decorative cover 100 is typically designed as a plate-like or cap-like structure with a specific shape and area, used to conform to the surface of the interior trim 10 and exposed inside the vehicle. The first connecting portion 200, as a protruding structure extending from the back of the decorative cover 100 (i.e., the side facing the interior trim 10), is designed to meet a key spatial constraint: if an imaginary beam of light parallel to its extension direction were to project the outer surface contour of the first connecting portion 200 perpendicularly onto the plane covered by the decorative cover 100, this "shadow" would not extend beyond the edge of the solid portion of the decorative cover 100. This means that when viewing the front of the decorative cover 100 from inside the vehicle, its appearance is a complete, unstructured surface, with the first connecting portion 200 completely hidden within the rear space defined by the solid contour of the decorative cover 100, thus not visually disrupting the integrity of the decorative cover 100. Structurally, this is typically achieved by positioning the root of the first connecting portion 200 in the central region of the back of the decorative cover 100, or at least ensuring that its root section falls entirely within the solid region of the back of the decorative cover 100.

[0307] In this embodiment, when the first connecting part 200 and the second connecting part 500 are fastened together and a clamping force is generated on the interior trim 10, this huge reaction force will be evenly distributed to the back of the entire decorative cover 100 through the root of the first connecting part 200, and then evenly transmitted to the inside of the interior trim 10 through the surface contact of the decorative cover 100. This avoids the possibility of local warping, stress concentration or deformation of the decorative cover 100 that may be caused by the connection force being concentrated near the edge of the decorative cover 100, thereby ensuring that the clamping force from one side of the decorative cover 100 is extremely uniform and stable in the bidirectional clamping and fixing mode, improving the stability and durability of the clamping.

[0308] When the user plugs in or unplugs the connector 600, a torsional torque is generated on the interface. The layout of this embodiment provides a large lever arm and stable support to resist torsion, which can effectively suppress the slight rotation tendency of the decorative cover 100 and the entire interface device around its axis, and eliminate the looseness and wobbling of the interface caused by torque.

[0309] In another embodiment, reference Figure 2 and Figure 4 As shown, the decorative cover 100 has an elastic layer 800 on its surface for contacting the interior trim 10.

[0310] In this embodiment, the elastic layer 800 is a thin layer or gasket made of a material with elastic recovery properties. Its material can be rubber, thermoplastic elastomer, foamed polymer, or other suitable flexible materials. The elastic layer 800 can be attached to the entire contact area or key contact area of ​​the back of the decorative cover 100 by means of bonding, snap-fit ​​fixing, overmolding, or physical bonding. Its thickness is typically between 0.5 mm and 3 mm, and can be adjusted according to the required compression and sealing requirements.

[0311] In the assembled state, when the decorative cover 100 is pulled together with the mounting base 300 via its first connecting portion 200, thereby clamping and fixing the interior trim 10, the elastic layer 800 is pre-compressed between the decorative cover 100 and the inner surface of the interior trim 10. The rebound force generated by the elastic layer 800 in the compressed state ensures a tight and gapless contact between the decorative cover 100 and the interior trim 10, and also, due to its elasticity, can adapt to any microscopic unevenness or minor deformation that may exist on the surface of the interior trim 10.

[0312] In this embodiment, the uniformly distributed rebound force generated by the elastic layer 800 after being compressed forces the entire contact surface of the decorative cover 100 to actively conform to the interior trim 10, eliminating the microscopic local suspension that may exist in rigid contact. This ensures that the clamping force of the bidirectional clamping is uniformly transmitted at both the macroscopic and microscopic levels, avoiding micro-deformation of the decorative cover 100 or interior trim 10 caused by local stress concentration, thereby making the clamping state more stable and reliable. The damping characteristics of the elastomer itself can also effectively absorb high-frequency micro-vibration energy, further suppressing any loosening tendency that may occur under vibration.

[0313] Meanwhile, the vehicle interior trim parts 10 may have manufacturing tolerances, assembly errors, or slight deformation due to heat / stress. Direct contact with the rigid trim cover 100 may lead to assembly stress, localized warping, or abnormal noise due to mismatch. The elastic layer 800, as a flexible intermediate medium, can perfectly compensate for and absorb these minor deviations in size and shape through its own elastic deformation, ensuring that the trim cover 100 can achieve full contact and stress-free fit under any circumstances. This fundamentally eliminates abnormal noise caused by hard contact and micro-friction between components, improving the vehicle's quietness.

[0314] Furthermore, the continuously compressed elastic layer 800 forms a continuous sealing ring between the interior trim 10 and the decorative cover 100. This barrier effectively prevents environmental contaminants such as dust, moisture, and liquid splashes from entering the internal electrical area of ​​the power interface device from the edge of the decorative cover 100, protecting precision components such as the conductive parts 400, significantly improving the product's dustproof and waterproof rating and environmental adaptability, extending its service life, and reducing the risk of electrical failures caused by contamination.

[0315] In other embodiments, the elastic layer 800 has at least one annular sealing rib on the side facing the interior trim 10.

[0316] In this embodiment, the annular sealing rib can be a homogeneous annular protrusion integrally formed or fixedly connected to the elastic layer 800. Its cross-sectional shape can be semi-circular, rectangular, or trapezoidal, and its height and width are designed to generate the expected compression and rebound force under pressure. The rib extends continuously or intermittently in a ring shape on the plane of the elastic layer 800, centered on the axis of the first insertion hole segment 210. In a preferred embodiment, the annular sealing rib is located on the elastic layer 800 in the area corresponding to the edge of the mounting hole between the decorative cover 100 and the interior trim 10.

[0317] When assembling and securing the power interface device, as the decorative cover 100 and the mounting base 300 are pulled together through their connecting portion, thereby clamping and fixing the interior trim 10, the elastic layer 800 located therebetween is axially compressed. At this time, the annular sealing rib bears the brunt, contacting the inner surface of the interior trim 10 and being significantly flattened, generating a greater local contact pressure than the surrounding flat area. Its elastic material undergoes slight radial extension, tightly filling any possible microscopic unevenness gaps, thereby forming a continuous and reliable annular sealing barrier around the mounting hole of the interior trim 10.

[0318] In this embodiment, the line contact and high local pressure generated by the annular sealing rib under pressure can more effectively overcome the microscopic unevenness of the interior trim surface, forming a denser sealing line than simple planar compression. This significantly enhances the interface device's ability to block dust, moisture, and liquid splashes.

[0319] Furthermore, during long-term vehicle use, interior components may experience temperature changes, stress, or slight deformation. The elastic rib structure possesses excellent elastic recovery and deformation adaptability, closely "following" minute changes in the mating surfaces and maintaining effective sealing pressure at all times. Under continuous vibration, the elastic damping of the ribs can also absorb some vibration energy, preventing periodic separation of the sealing interface due to vibration, thereby ensuring the long-term stability of the sealing effect.

[0320] In some embodiments, the number of annular sealing ribs is at least two, and each annular sealing rib is concentrically arranged with the axis of the first insertion hole segment 210 as the center, and the diameter of each annular sealing rib increases sequentially from the inside to the outside.

[0321] In this embodiment, multiple annular sealing ribs are concentrically arranged with the axis of the first insertion hole segment 210 as the central axis. That is, the center of all the ribs coincides with this axis, they are spaced apart from each other in the radial direction, and can be flush or slightly different in the axial direction. Furthermore, the diameter of each annular sealing rib increases sequentially from the inside to the outside. That is, the rib closest to the axis has the smallest diameter, the diameter of the adjacent rib on its outer side is the next smallest, and so on, forming a multi-concentric array of annular ribs with a stepped increase in diameter from the inside to the outside. These ribs can be integrally injection molded with the elastic layer 800 to ensure the continuity of its material with the elastic substrate.

[0322] During assembly, when the decorative cover 100 and the mounting base 300 are pulled together and clamp the interior trim 10 in place, the elastic layer 800 is compressed, and its multiple concentric annular sealing ribs sequentially contact the inner surface of the interior trim 10. Due to their different diameters, the innermost small-diameter ribs are compressed first; as the compression force increases, the ribs with the middle diameter begin to contact and compress; finally, the outermost ribs with the largest diameter also participate in the compression. This process of "compression from the inside out, step by step" allows the sealing force to be borne by the multiple ribs in stages. In the fully compressed state, the multiple concentric ribs form multiple continuous, concentric sealing rings on the surface of the interior trim 10, together constructing a composite sealing barrier that is layered and protected from the inside out.

[0323] In this embodiment, multiple concentric ribs form physically independent multiple sealing lines. Even if the sealing effect of a certain rib decreases due to manufacturing tolerances, assembly stress, or long-term creep, the outer ribs can still provide effective sealing compensation, resulting in extremely high system redundancy. The increasing diameter layout allows for a gradient distribution of sealing pressure, which can more effectively adapt to and fill non-uniform gaps caused by uneven surfaces of interior trim parts or misaligned mounting surfaces.

[0324] In one possible embodiment, refer to Figure 1 and Figure 2 As shown, it also includes a sealing element 900, which is detachably disposed at the insertion port 110.

[0325] In this embodiment, the sealing element 900 can be a dedicated plug, dust plug, or a standard fastener (such as a screw). In a preferred embodiment, the inner wall of the insertion port 110 may be provided with internal threads. Correspondingly, the sealing element 900 is a screw, the shank of which is machined with external threads that match the internal threads, and the nut portion has a diameter larger than the diameter of the insertion port 110, and may be designed with a notch (such as a slotted, Phillips, or hexagonal slot) for easy screwing. When it is necessary to close the interface, align the screw (sealing element 900) with the insertion port 110, rotate its nut so that its shank portion is screwed into the threads on the inner wall of the port, until the bottom surface of the nut fits snugly against the outer surface of the decorative cover 100, thereby completely sealing the insertion port 110. When it is necessary to use the interface, simply rotate the nut in the opposite direction to easily remove the sealing element 900 and restore the passage. "Removable" means that it is achieved through this kind of threaded engagement and disengagement. Other detachable connection methods can also be used, such as interference fit plugs, dust covers with snaps, etc.

[0326] In this embodiment, when the vehicle is parked for a long time or the interface is idle, contaminants such as dust, moisture, and metal shavings can easily enter the internal socket channel through the open plug-in port 110 and adhere to the precision terminals of the conductive part 400, leading to oxidation, corrosion, or poor contact. In this embodiment, the sealing component 900 acts as a "gatekeeper" at this time, physically isolating the contamination path and isolating the core electrical area from the harsh environment, thereby maintaining the cleanliness and contact performance of the terminal surface for a long time.

[0327] When the sealing element 900 (especially in screw form) is tightened into the insertion port 110, the resulting axial preload allows the nut to exert a certain pressure and expansion effect on the outer surface of the decorative cover 100 and the threads on the inner wall of the port. This microscopically enhances the local rigidity and structural integrity of the decorative cover 100 in the port area. Simultaneously, the tight screwing itself constitutes a threaded seal. Adding a sealing ring under the nut can achieve a higher level of dust and water resistance, improving the product's adaptability to extreme environments (such as high humidity and dust).

[0328] Furthermore, the detachable design allows for free and quick switching between the enabled and disabled states of the interface. This is not only suitable for warehousing and transportation before vehicle sales and production line testing, but also convenient for vehicle owners to protect the interface when the vehicle is not in use for extended periods. The standard threaded or snap-fit ​​interface makes the 900 sealing component itself a replaceable and upgradeable standard accessory, increasing the product's maintainability and customization options.

[0329] In other embodiments, the port of the first insertion segment 210 on the decorative cover 100 constitutes the insertion inlet 110; the diameter of the first insertion segment 210 is smaller than the aperture of the insertion inlet 110, so that the inner wall of the insertion inlet 110 forms an annular step 1000, which is used to abut against the sealing member 900 to limit the displacement of the sealing member 900 in the direction of the first insertion segment 210.

[0330] In this embodiment, the insertion port 110 is formed by the direct extension and exposure of the port of the first insertion segment 210 on the body of the decorative cover 100. That is, the port is not a separately opened hole, but a natural opening of the channel of the first insertion segment 210 on the outer surface of the decorative cover 100.

[0331] Furthermore, a key design feature of this embodiment is that the diameter (inner diameter) of the first insertion segment 210 is designed to be smaller than the opening diameter of the insertion inlet 110 on the outer surface of the decorative cover 100. This diameter difference results in a natural and integral formation of an annular step 1000 on the inner wall of the inlet when transitioning from the larger inlet diameter to the smaller inner diameter of the first insertion segment 210. This step surface is perpendicular to the axis of the insertion channel and faces the interior of the vehicle.

[0332] When a threaded plug 900 (such as a screw) is used, the assembly process is as follows: The screw shank passes through the insertion port 110 on the decorative cover 100. As the screw is screwed in (e.g., into the threads on the inner wall of the port or into a mating threaded sleeve), the head of the screw (or the washer beneath the head) moves axially. When the screw is tightened to a preset position, its head or the end face of the washer contacts and abuts against the platform of the annular step 1000. At this point, the annular step 1000 acts as a rigid, integrated mechanical stop, physically preventing the plug 900 from displacing further into the first insertion section 210 (i.e., towards the outside of the vehicle), thus precisely defining the final depth to which the plug 900 is screwed in.

[0333] In this embodiment, the annular step 1000 serves as a fixed, immovable reference surface, providing an absolutely precise axial termination point for the screwing in of the sealing member 900. This eliminates the uncertainty caused by the operator's feel or torque judgment when the sealing member 900 is not present. It ensures that the sealing member 900 reaches and stabilizes at the same preset depth during each sealing operation, thereby achieving consistent and optimal sealing pressure (e.g., the sealing ring under the nut is uniformly compressed), standardizing sealing reliability, and preventing incomplete sealing due to shallow screwing or abnormal stress caused by excessive screwing.

[0334] In designs without rigid limits, the sealing element 900 (especially the screw) is at risk of being over-tightened. Excessive torque may damage the threads on the inner wall of the inlet or impose undue axial load on the decorative cover 100, the first connecting portion 200, or even the internal alignment structure, potentially affecting the uniformity of the "bidirectional clamping" in the long term. In this embodiment, the annular step 1000 acts as a safety stop, physically eliminating the possibility of over-tightening, thereby protecting the insertion inlet 110 and its associated precision structures (such as internal threads and the first insertion hole section 210), preventing accidental damage to the core stable connection structure due to improper maintenance operations, and extending the product's service life.

[0335] In another embodiment, reference Figure 3 and Figure 4 As shown, a screwdriver interface 1010 is provided on the annular step 1000.

[0336] In this embodiment, a screwdriver interface 1010 is machined or formed on the annular step 1000.

[0337] Specifically, the screwdriver interface 1010 is a standard shape feature that allows torque transmission to the tip of a corresponding screwdriver. It can be a recessed structure formed on the end face of the annular step 1000 (i.e., the plane that abuts against the sealing member 900), such as: slotted, Phillips head, star-shaped, hexagonal, or star-shaped slots.

[0338] In assembly, debugging, or maintenance scenarios, when it is necessary to operate components associated with the annular step 1000 (for example, during initial installation, it is necessary to fine-tune the angle of the decorative cover 100 to ensure the alignment of the insertion channel, or in extreme cases, it is necessary to loosen internal connectors that are stuck due to special reasons from the outside), the operator can insert a screwdriver of the corresponding type into the insertion port 110, so that its tip is embedded in the screwdriver interface 1010 on the annular step 1000. By rotating the screwdriver, a controllable rotational torque about the axis can be applied to the annular step 1000 and the decorative cover 100 (and the first connecting part 200) attached to it through the interface, thereby achieving fine adjustment of the circumferential orientation of the decorative cover 100, or helping to overcome any abnormal resistance that may exist inside.

[0339] In this embodiment, before the decorative cover 100 and the mounting base 300 are finally locked together by a bidirectional clamping method, it may be necessary to fine-tune the circumferential angle of the decorative cover 100 to ensure that the insertion port 110 is aligned with the markings of the internal channel, or to optimize the appearance gaps. Through this screwdriver interface 1010, a precise rotational fine-tuning force can be applied to the decorative cover 100 using standard tools, avoiding scratches, uneven force, or slippage that may occur if directly manipulated by hand. In the rare case of internal connection jamming, this interface also provides the possibility of controlled, coaxial loosening operations from the outside, making it an important maintenance aid design.

[0340] When a rotational torque needs to be applied to the decorative cover 100 (and its first connecting portion 200), the screwdriver interface 1010 ensures that the driving force is transmitted strictly along the channel axis through the robust structure of the annular step 1000. This completely avoids the lateral pressure, bending moment, or scratches that may occur when using non-specialized tools (such as pliers) to clamp the outer edge of the decorative cover 100, effectively protecting the outer surface, internal snaps, or threads of the decorative cover 100 and preventing secondary damage caused by improper operation.

[0341] In one embodiment, reference is made to... Figure 2 , Figure 3 and Figure 4 As shown, the sealing member 900 includes a sealing head 910 and a sealing rod 920 connected to the sealing head 910; the outer periphery of the sealing rod 920 is provided with a second external thread 921, and the inner wall of the first insertion section 210 is provided with a second internal thread 211 that mates with the second external thread 921; the sealing rod 920 can be screwed into the first insertion section 210 through the mating of the second external thread 921 and the second internal thread 211, and when screwed into place, the sealing head 910 abuts against the annular step 1000.

[0342] In this embodiment, the sealing member 900 consists of two main parts: a sealing head 910 and a sealing rod 920. The sealing head 910 is typically a disc-shaped, cap-shaped, or operating part with a specific shape that is larger than the insertion port 110. The sealing rod 920 is a cylindrical body, one end of which is fixedly connected to the sealing head 910 (it can be integrally formed), and the other end is a free end.

[0343] To achieve detachable and reliable fixation of the sealing component 900, an external thread is machined or formed on the outer peripheral wall (i.e., its cylindrical surface) of the sealing rod 920, referred to in this embodiment as the second external thread 921. Correspondingly, an internal thread adapted to the pitch and tooth profile of the second external thread 921 is machined or formed on the inner wall of the first insertion hole section 210 of the decorative cover 100, referred to in this embodiment as the second internal thread 211.

[0344] During the sealing operation, the operator holds the sealing head 910 and aligns the free end of the sealing rod 920 with the insertion port 110. The sealing member 900 is then rotated so that the second external thread 921 on the sealing rod 920 engages with the second internal thread 211 on the inner wall of the first insertion section 210. Through continuous rotation, the sealing rod 920 is guided into the first insertion section 210 along the thread pair. When the sealing member 900 is rotated to the preset "screw-in" position, the inner end face of the sealing head 910 (i.e., the side facing the interior trim 10) contacts and tightly abuts against the platform of the annular step 1000 formed on the inner wall of the insertion port 110. At this time, the annular step 1000 acts as an axial hard stop, restricting further screwing of the sealing member 900. By controlling the thread fit accuracy and the number of turns, it can be ensured that the plugging head 910 and the annular step 1000 can reach a consistent and stable contact state each time the plug is sealed, thereby achieving reliable sealing.

[0345] In this embodiment, the threaded connection generates a significant and controllable axial preload. When the sealing head 910 is tightened to abut against the annular step 1000, this preload creates a high-pressure sealing contact between the sealing head 910 (or its underlying sealing ring) and the step surface. This creates an extremely reliable mechanical seal barrier, effectively preventing contaminants such as dust, moisture, and oil from entering the socket channel and the internal precision conductive parts 400, providing passive protection for the core electrical connection. Its anti-loosening performance far surpasses that of simple plugs or snap-on dust covers, ensuring absolute reliability of the seal under long-term vehicle vibration conditions and guaranteeing the electrical performance of the interface when in use.

[0346] In another embodiment, reference Figure 2 , Figure 3 and Figure 4 As shown, the sealing head 910 is provided with a sealing part (not shown in the figure). When the sealing member 900 is provided at the insertion port 110, the sealing part is sealed and fitted with the inner peripheral wall of the insertion port 110.

[0347] In this embodiment, the sealing portion is a key area or structure on the sealing head 910 used to achieve the sealing function. In a preferred embodiment, the sealing portion can be an annular sealing flange that surrounds the root of the sealing rod 920 and protrudes from the inner end face of the sealing head 910 (i.e., the side facing the insertion port 110). The material of this flange can be an elastic material that is integrally molded with the body of the sealing head 910 but is more flexible (such as using a two-material injection molding process), or it can be a separately bonded, snap-fit ​​O-ring, X-ring, or other elastic sealing ring with a cross-sectional shape.

[0348] When the sealing element 900 is screwed in and installed in place, that is, the sealing rod 920 is fully screwed into the first insertion section 210, and the sealing head 910 abuts against the annular step 1000. In this state, the sealing part (such as the annular sealing flange) is axially pressed between the sealing head 910 and the annular step 1000, and at the same time, radial elastic deformation is generated, so that its outer circumferential surface forms an interference fit and tight contact with the entire inner circumferential wall of the insertion port 110. This dual action of "end face pressing" and "circumferential interference" creates a continuous and uninterrupted sealing contact ring between the inner wall of the insertion port 110 and the sealing head 910. This sealing part constitutes a sealing barrier to prevent the intrusion of external contaminants.

[0349] In this embodiment, the rebound force generated by the sealing part after being pressed ensures continuous and tight following contact with the inner peripheral wall of the insertion port 110. This dynamic sealing capability can compensate for gaps that may be caused by temperature changes, material creep, or micro-vibrations, maintaining effective sealing pressure at all times. Compared to rigid contact without an elastic sealing part, this design can more effectively prevent the intrusion of dust, moisture, and even pressurized water flow, significantly improving the protection level of the interface and enabling the product to adapt to more complex and harsh vehicle operating environments (such as high humidity, dust, car washes, etc.), providing protection for core electrical components.

[0350] The presence of condensation, salt spray, or corrosive gases inside the vehicle is a major factor leading to oxidation and corrosion of conductive terminals, resulting in increased contact resistance. The resilient sealing portion in this embodiment forms a reliable seal at the insertion port 110, physically cutting off the path for such corrosive media to enter the insertion channel. This creates a relatively dry and clean storage microenvironment for the internal conductive terminals, fundamentally delaying electrochemical corrosion and ensuring that the electrical properties (such as contact resistance and insulation resistance) of the interface remain as good as new even after long-term inactivity, greatly extending the product's effective shelf life and service life.

[0351] In one possible embodiment, refer to Figure 2 , Figure 3 and Figure 4 As shown, the first connecting part 200 and the decorative cover 100 are integrally formed.

[0352] In this embodiment, the decorative cover 100 and the first connecting portion 200 are designed within the same mold cavity. Molten raw material is filled into this cavity through a single injection molding process (for plastic materials) or die casting (for metal materials). After the raw material cools and solidifies, the resulting part, the main body of the decorative cover 100 used to fit the interior trim 10 and form the exterior, and the first connecting portion 200 used to extend towards the interior trim 10 and achieve mechanical connection, are continuous and uniform in material and seamlessly connected in structure. There are no physical interfaces, adhesive surfaces, or mechanical fastening interfaces between them. The first connecting portion 200 is essentially a functional extension of the main body of the decorative cover 100 in a specific direction; the two are an inseparable whole.

[0353] In the "two-way clamping" fixation, the first connecting part 200 is the core force-transmitting component that bears the tensile force from the second connecting part 500. The one-piece molding eliminates any potential connection interfaces (such as threads, snaps, or adhesive surfaces) between the decorative cover 100 and the first connecting part 200. This allows the tensile force received from the distal end of the first connecting part 200 to be directly transmitted without loss or stress concentration to the entire back panel area of ​​the decorative cover 100 through its root, and then evenly distributed to the interior trim 10. This avoids any loss of clamping force due to microscopic slippage, deformation, or failure of the connection interface, ensuring the long-term stability of the clamping system from the most basic component level.

[0354] In other embodiments, refer to Figure 4 As shown, the outer side wall of the first connecting part 200 is provided with a clamping surface 230, which is used for clamping external tools.

[0355] In this embodiment, at least one clamping surface 230 is specially provided on the outer side wall of the first connecting portion 200.

[0356] Specifically, the clamping surface 230 is a structural surface formed on the outer wall of the first connecting portion 200, possessing specific geometric features to facilitate reliable clamping and force application by external tools. In a preferred embodiment, the clamping surface 230 may be a pair of parallel and opposing planes forming a structure similar to a "wrench plane"; it may also be a polygonal cross-section (such as a hexagon) machined circumferentially on the outer wall of the first connecting portion 200, forming a "bolt head" type structure; or it may be a strip-shaped area extending axially with anti-slip texture. These clamping surfaces 230 are typically located in easily accessible positions near the root (i.e., near the decorative cover 100) or middle section of the first connecting portion 200.

[0357] When performing assembly, debugging, or disassembly operations, the operator (or automated equipment) can select a matching general-purpose tool, such as an adjustable wrench, open-end wrench, socket, or special clamping pliers. The working part of the tool (such as the jaws or the inner wall of the socket) is brought into contact with the clamping surface 230. Subsequently, by applying rotational torque or axial force through the tool, the first connecting part 200 can be precisely and efficiently driven to screw in, screw out, or move axially to complete the connection, fastening, or separation with the second connecting part 500 (or the mounting sleeve 700 or the sealing element 900).

[0358] In this embodiment, the presence of the clamping surface 230 allows operations on the first connecting portion 200 (such as rotation to adjust the circumferential angle of the decorative cover 100, final tightening, or fault disassembly) to be easily integrated into automated assembly lines, where they can be quickly completed by a robotic arm using standard tools. In after-sales service scenarios, repair technicians do not need to find special leverage points or use unconventional methods that may damage the product (such as directly clamping with pipe wrenches); they can complete the operation efficiently and without damage using conventional tools. This significantly improves production and repair efficiency, reduces operational difficulty and time costs, and makes the entire process more standardized, controllable, and traceable.

[0359] Furthermore, the dedicated clamping surface 230 guides the operating force to a specially designed area with sufficient strength, preventing the operator from being forced to apply force to the outer surface of the decorative cover 100, non-stressed areas (such as threaded sections) of the first connection 200, or internal precision structures, which would be possible without the clamping surface 230. This effectively prevents scratches on the surface of the decorative cover 100 due to tool slippage, deformation of the first connection 200 due to localized stress concentration, or thread damage caused by direct torque acting on the threads. This extends the product's service life.

[0360] In rare cases, such as when internal threads are corroded or foreign objects are stuck, causing abnormal tightness in the connection, the standardized clamping surface 230, combined with a matching extended lever arm tool (such as a long-handled wrench), makes it possible to apply a larger separation torque safely and controllably, which is an important troubleshooting aid design.

[0361] In other embodiments, refer to Figure 5 , Figure 7 and Figure 8 As shown, the mounting base 300 is also provided with a mounting cavity 310. The mounting cavity 310 is located at one end of the second socket section 510 away from the first socket section 210 and is connected to the second socket section 510. The conductive part 400 is located inside the mounting cavity 310.

[0362] In this embodiment, the mounting cavity 310 is located at the end of the second socket segment 510 that is away from the first socket segment 210. "Away from" defines a specific axial direction: with reference to the location of the first socket segment 210 (which is closer to the vehicle interior and the insertion port), the mounting cavity 310 is located at the axially extending end of the second socket segment 510, that is, further into the vehicle exterior or the interior of the mounting base 300. Simultaneously, the mounting cavity 310 is directly connected to the second socket segment 510, allowing the socket channel formed by the connection of the first and second socket segments 210 to naturally transition and connect to the internal space of this mounting cavity 310 at its end.

[0363] The conductive part 400 is disposed and fixed within the mounting cavity 310. This means that when the external connector is fully inserted along the insertion channel, its front end will eventually reach and enter the space of the mounting cavity 310, thereby making contact and electrical connection with the conductive part 400 located therein. The mounting cavity 310 provides a dedicated space for receiving, positioning, and protecting the conductive part 400.

[0364] In this embodiment, the design constructs a clear, continuous, and unobstructed physical path of "entry point (plug-in entry point) → channel (first plug-in segment 210, second plug-in segment 510) → endpoint (mounting cavity 310)". The mounting cavity 310, as the preset endpoint of this path, ensures that the conductive part 400 is consistently positioned at the necessary location for plug insertion, guaranteeing precise and repeatable electrical contact for each plug-in connection.

[0365] Furthermore, the mounting cavity 310, being a recessed cavity, completely encloses the precision conductive part 400, isolating it from the complex external environment (such as wire harnesses, metal brackets, and moving parts) of the mounting base 300, effectively preventing mechanical impacts, foreign object intrusion, and accidental short circuits. Simultaneously, the inner wall of the cavity provides a robust and easily machinable reference surface for the installation of the conductive part 400 (such as welding or snap-fitting), ensuring its positional accuracy and adhesion strength, and guaranteeing the long-term stability of the electrical connection from a physical perspective.

[0366] In some possible embodiments, refer to Figure 5 , Figure 7 and Figure 8 As shown, the mounting base 300 has a mounting cavity 310 and a mounting opening 320 facing the decorative cover 100. The mounting opening 320 communicates with the mounting cavity 310, and the conductive part 400 is disposed in the mounting cavity 310. The portion of the mounting base 300 surrounding the mounting opening 320 constitutes a second connecting part 500, and the inner wall of the mounting opening 320 defines a second insertion hole section 510.

[0367] In this embodiment, the mounting base 300 is a housing structure with a receiving space, which includes a mounting cavity 310. This mounting cavity 310 is a recessed space or chamber primarily used to accommodate and protect the conductive part 400. At the end of the mounting base 300 facing the decorative cover 100, a mounting opening 320 is provided. This mounting opening 320 serves as a channel opening, directly communicating with the internal mounting cavity 310, forming a necessary path from the outside to the conductive part 400. The conductive part 400, i.e., the core terminal assembly that realizes electrical connection, is arranged and fixed inside the mounting cavity 310.

[0368] Furthermore, the second connecting portion 500 is specifically defined as the solid portion surrounding the mounting opening 320 on the mounting base 300. This part of the structure constitutes the "interface area" of the mounting base 300 for physical connection and mating with the first connecting portion 200. Meanwhile, the second insertion hole section 510 is specifically defined as the internal space channel defined by the inner wall of the mounting opening 320 itself. In other words, the mounting opening 320 is not a simple hole; its inner wall directly constitutes part of the insertion hole channel for guiding the insertion of the connector 600.

[0369] During assembly, the conductive part 400 is pre-installed in the mounting cavity 310, and the mounting opening 320 serves as an external passage. When the mounting base 300 mates with the decorative cover 100, the area of ​​its second connecting part 500 surrounding the mounting opening 320 engages with the first connecting part 200 of the decorative cover 100, while the inner wall of the mounting opening 320 (i.e., the second insertion hole section 510) mates with the first insertion hole section 210, together forming a complete insertion hole channel, allowing the connector 600 to reach the conductive part 400 in the mounting cavity 310 through this channel.

[0370] In this embodiment, the conductive part 400 is built into a dedicated mounting cavity 310, and its position is precisely fixed by the geometry of the mounting cavity 310, unaffected by external assembly stress. The mounting port 320, as the only controlled path to the conductive part 400, has dimensions and axis machining accuracy that directly determine the accuracy of the mating between the connector 600 and the conductive part 400. This dual protection mechanism of "cavity positioning and channel guidance" ensures extremely high repeatability and reliability of the electrical connection. Simultaneously, the mounting cavity 310 forms a semi-enclosed protective space, isolating the conductive part 400 from the complex external environment (such as wire harnesses and other metal parts), effectively preventing accidental short circuits, mechanical impacts, and direct dust intrusion.

[0371] Furthermore, the solid area surrounding the mounting opening 320 is defined as the second connecting portion 500, meaning that the mechanical connection force acts directly on one of the thickest and strongest parts of the mounting base 300 body. This provides an ideal force-bearing basis for achieving a high-strength connection (such as threaded fastening) between the first connecting portion 200 and the second connecting portion 500, ensuring the effective transmission of clamping force. Simultaneously, since the second insertion hole section 510 is directly defined by the inner wall of the mounting opening 320, it is concentric and integral with the second connecting portion 500. This ensures a natural unity between the alignment of the mechanical connection and the alignment of the electrical channel, avoiding assembly interference or difficulty in insertion / removal due to component misalignment.

[0372] The mounting cavity 310 provides initial storage and routing space for the wire harness leading out from the conductive part 400, making the internal wiring more organized. The mounting port 320, as a clear boundary, also provides a clear interface for setting secondary seals at this location (such as adding a sealing ring to the end face of the mounting port 320 to seal the gap between the decorative cover 100 and the mounting base 300 after mating), which helps to improve the dustproof and waterproof rating of the entire interface device.

[0373] In another possible embodiment, refer to Figure 9 , Figure 10 and Figure 11 As shown, at least one positioning rib 1100 is provided at intervals on the outer peripheral wall of the mounting base 300. The positioning rib 1100 is configured to be able to be inserted into the corresponding structure of the first support plate located on the side of the interior trim 10 facing the mounting base 300 when the mounting base 300 is assembled toward the interior trim 10, so that the mounting base 300 is positioned on the first support plate.

[0374] In this embodiment, the positioning ribs 1100 are rib-like, block-like, or guide plate-like structures that protrude outward from the outer peripheral wall of the mounting base 300. There can be one, two, or more ribs, distributed asymmetrically or symmetrically along the outer periphery of the mounting base 300. Each positioning rib 1100 has a specific cross-sectional shape (such as rectangular or trapezoidal) and a guide bevel, and its end can be designed as a wedge or chamfer for easy insertion.

[0375] The positioning rib 1100 is used to pre-fit with a first support plate inside the vehicle (such as a dashboard crossbeam, a bracket on the body sheet metal, or a special interior panel). The first support plate is pre-equipped with a corresponding structure that corresponds to the shape, size, and position of the positioning rib 1100. This corresponding structure can be a slot or guide groove that matches the cross section of the positioning rib 1100, or it can be a positioning hole or notch into which the end of the positioning rib 1100 is inserted.

[0376] During assembly, the mounting base 300 (pre-installed with the conductive part 400) moves from the outside of the vehicle (such as the interior space of the dashboard) toward the interior trim 10. The operator (or robotic arm) first roughly aligns the positioning rib 1100 on the outer peripheral wall of the mounting base 300 with the corresponding structure on the first support plate. Then, the mounting base 300 is further advanced, allowing the positioning rib 1100 to slide in along the guide surface of the corresponding structure until it is fully inserted, fitted, or seated in the predetermined position. At this point, although the mounting base 300 is not yet finally secured to the first connecting part 200 of the trim cover 100 via its second connecting part 500, it has been pre-restricted and roughly positioned in multiple degrees of freedom (particularly in the direction perpendicular to the interior trim 10 and the direction of rotation about the axis) through the cooperation of the positioning rib 1100 and the first support plate. This provides a stable and accurate initial reference for subsequent precise alignment of the mounting holes on the interior trim 10 and final connection and securing of the mounting base 300 to the trim cover 100.

[0377] In related technologies, the mounting base 300 is in a "free-floating" state within the spacious interior space of the vehicle body, requiring the operator to manually support it and align it with the mounting holes on the back of the interior trim 10, which is laborious and difficult to align. In this embodiment, the positioning rib 1100 engages with the corresponding structure on the first support plate, providing the mounting base 300 with a clear and quickly achievable anchor point. The operator simply aligns the positioning rib 1100 and pushes it into the corresponding structure, and the mounting base 300 is automatically guided to an area close to its final working position, maintaining a basically correct posture. This eliminates the tedious fine-tuning and alignment time, simplifies and standardizes the assembly process, significantly improves production line cycle time and assembly efficiency, and reduces the operator's workload.

[0378] The pre-positioning mechanism in this embodiment ensures that, before the final fastening operation begins, the mounting base 300 is in a stable state very close to its designed position relative to the vehicle body structure (first support plate) and indirectly relative to the interior trim 10. This greatly reduces the difficulty of alignment and avoids problems such as the threads of the first and second connecting parts 500 not engaging or the buckles being difficult to close due to the mounting base 300 wobbling in the air, thereby ensuring that the core connection steps can be completed smoothly and accurately.

[0379] During vehicle use, the power interface is subjected to forces and vibrations from plugging and unplugging operations. After the positioning rib 1100 is inserted into the first support plate, the mating pair formed with it can share some of the load from the interface, especially the shear force parallel to the plane of the interior trim 10. This changes the stress mode of the mounting base 300, changing it from being solely dependent on the connection point with the trim cover 100 to a system where part of the load is transferred to the more robust vehicle body support structure through the positioning rib 1100. This reduces the burden on the connection between the trim cover 100 and the mounting base 300, and makes the entire interface device more securely integrated with the vehicle body, potentially indirectly improving its overall vibration and shock resistance.

[0380] In one possible embodiment, refer to Figure 5 , Figure 9 , Figure 10 and Figure 11 As shown, the mounting base 300 is also provided with at least one inverted positioning part 1200. The inverted positioning part 1200 extends from the mounting base 300 in a direction away from the interior trim 10 and protrudes from the mounting base 300. The inverted positioning part 1200 is configured to be able to be inserted into the corresponding structure of the second support plate located on the side of the mounting base 300 away from the interior trim 10 when the mounting base 300 is assembled with its back to the interior trim 10, so that the mounting base 300 is positioned on the second support plate.

[0381] In this embodiment, the inverted positioning portion 1200 is a protruding structure extending away from the interior trim 10 from the main body of the mounting base 300 (typically its surface facing the exterior of the vehicle or away from the interior trim 10). In a typical application, such as when a power interface device is installed on the vehicle headliner 10, the interior trim 10 is located below (inside the vehicle), and the mounting base 300 needs to be installed upwards to the headliner support structure. In this case, the inverted positioning portion 1200 extends vertically or obliquely upwards from the "upper surface" of the mounting base 300 and extends beyond the contour of the mounting base 300 main body. Its structural form can be a positioning post, a positioning pin, a protrusion with a guide bevel, or a long strip rib with a specific cross-section.

[0382] The function of the inverted positioning part 1200 is to cooperate with another support structure inside the vehicle, namely a second support plate. In the case of roof mounting, this second support plate can be a roof beam, a reinforcing plate, or a specially designed mounting bracket. The second support plate has corresponding structures that match the shape and size of the inverted positioning part 1200, such as positioning holes, slots, or notches.

[0383] During the inverted assembly process (taking roof mounting as an example), the decorative cover 100 is first attached to the lower surface of the headliner trim 10 from inside the vehicle (passenger compartment). Then, the operator lifts the mounting base 300 upwards from inside the vehicle, allowing it to pass through the mounting hole of the headliner trim 10, while simultaneously aligning the inverted positioning part 1200 on the mounting base 300 upwards with the corresponding structure on the second support plate at the roof. The mounting base 300 is then pushed upwards further, causing the inverted positioning part 1200 to insert and settle into the corresponding structure. At this point, the mounting base 300 is pre-constrained and positioned in a direction parallel to the plane of the trim 10 and in a direction of rotation about the vertical axis, providing a stable and accurate initial reference for subsequent tightening or connection of the first connecting part 200 and the second connecting part 500 from bottom to top inside the vehicle, effectively overcoming the inconvenience of operation in a confined overhead space and the influence of gravity.

[0384] In this embodiment, in an inverted installation scenario (such as a car roof), the mounting base 300 needs to overcome gravity to maintain an upward posture before final tightening, which is extremely inconvenient. In this embodiment, the inverted positioning part 1200 extends upward and inserts into the second support plate, essentially providing a "suspension point" or "guide rail," achieving initial support and pre-fixation of the mounting base 300 in the direction of gravity. This eliminates the need for the operator to continuously resist gravity to lift the mounting base 300, freeing their hands for precise connection operations. This fundamentally solves the biggest operational challenge in inverted assembly, significantly improving the feasibility and efficiency of assembly, and ensuring that the mounting base 300 will not fall due to gravity and become misaligned with the decorative cover 100 before tightening.

[0385] Because the interior space of areas such as the roof and pillars is typically narrow and obstructed, the inverted positioning unit 1200 provides clear tactile feedback (such as a "click" sound or a sudden change in resistance) during the insertion of the second support plate into the corresponding structure. Even without visual inspection, the operator can clearly perceive that the mounting bracket 300 has reached the preset positioning position. This provides crucial physical guidance and confirmation for achieving precise spatial alignment between the mounting bracket 300 and the vehicle body structure, and indirectly between the mounting bracket 300 and the decorative cover 100, under adverse visual conditions, ensuring that subsequent core connection steps can be completed accurately.

[0386] Furthermore, through the cooperation between the inverted positioning part 1200 and the second support plate, the mounting base 300, under vibration conditions, not only relies on the "two-way clamping" with the decorative cover 100, but also gains an additional direct connection point with the more robust vehicle body structure (the second support plate). This "multi-point fixing" strategy can better resist the additional alternating loads and torques generated by the inverted interface due to its own weight and inertia when the vehicle is in motion, especially on bumpy roads, preventing long-term micro-movements of the interface.

[0387] By integrating positioning features for both upright mounting (positioning rib 1100) and inverted mounting (inverted positioning part 1200) onto the same mounting base 300 body, this embodiment allows the same power interface device to be flexibly adapted to vastly different installation positions and orientations within a vehicle, from the center console and dashboard (upright mounting) to the headliner and trunk (inverted mounting), without altering the core structure. This significantly enhances the product's platformization and versatility, reduces the R&D and material costs for OEMs to develop different interfaces for different locations, and achieves an efficient solution that meets diverse needs through a single design.

[0388] In another embodiment, reference Figure 5 , Figure 9 , Figure 10 and Figure 11 As shown, the mounting base 300 is also provided with at least one inverted hook-up portion 1300, which extends from the mounting base 300 in a direction away from the interior trim 10 and protrudes from the mounting base 300; the inverted hook-up portion 1300 is configured to engage with a second support plate located on the side of the mounting base 300 away from the interior trim 10.

[0389] In this embodiment, the inverted hook-on portion 1300 is a cantilever structure that extends from the body of the mounting base 300 (typically its surface or side facing away from the interior trim 10) away from the interior trim 10 and beyond the outline of the mounting base 300. Its form can be designed as a hook, barb, cantilever with a spring-loaded latch, or a rod with a retractable latch head. The end or specific portion of the inverted hook-on portion 1300 forms a hook, boss, or enlarged head for "hooking".

[0390] The core function of the inverted mounting bracket 1300 is to achieve a "hook-and-loop" connection with the vehicle's second support plate. In scenarios such as roof mounting, the second support plate can be a roof beam, sheet metal flange, or a specially designed bracket with a notch. The hook-and-loop connection refers to the inverted mounting bracket 1300 hooking, overlapping, or snapping onto the edge, hole, or protrusion of the second support plate using its specific structure. It mainly utilizes gravity or structural interlocking to provide a preliminary connection with a certain holding force, without requiring full insertion or tightening.

[0391] During the inverted assembly, the operator lifts the mounting base 300 upwards (towards the roof) from inside the vehicle. As it approaches the second support plate on the roof, the operator adjusts the angle of the mounting base 300, aligning the hook-shaped or engaging portion of the inverted hook-up part 1300 with the pre-set hook-up position on the second support plate (such as the lower edge of the crossbeam or the bracket opening). Then, through an upward movement, possibly accompanied by a slight rotation or lateral sliding, the inverted hook-up part 1300 is moved over the edge of the second support plate and falls beneath it, or its engaging portion engages with the notch on the support plate, thus completing the "hook-up". At this point, part or all of the weight of the mounting base 300 is borne by this hook-up part, allowing it to be stably suspended or supported on the second support plate. This creates extremely convenient conditions for the operator to free up their hands and calmly perform the final tightening operation between the first connecting part 200 and the second connecting part 500.

[0392] Maintaining precise alignment and resisting gravity while lifting the mounting base 300 within a confined and inconvenient overhead space presents a significant challenge. The hook-and-loop design of this embodiment allows the operator to "hook" the mounting base 300 onto the second support plate with a relatively simple and quick action (such as lifting and gently pushing or rotating), instantly achieving self-support and pre-fixation. This completely frees the operator's hands, allowing them to focus on subsequent connection and tightening. It breaks down the complex inversion process into two simple steps: "quick suspension" and "easy tightening," significantly reducing operational difficulty and improving assembly efficiency and success rate.

[0393] When the inverted mounting part 1300 is attached to the second support plate, it typically produces a clear "click" sound, a tactile feedback of a firm fit, or a visual confirmation of alignment. This clear physical feedback allows the operator to confirm successful attachment without visual inspection, solving the assembly confirmation problem in spaces with obstructed vision. Simultaneously, the unique shape of the mounting part and its corresponding attachment structure on the support plate provide physical error prevention, preventing the mounting base 300 from being forcibly installed at the wrong angle or position, thus ensuring the accuracy of pre-assembly from the outset.

[0394] In the attached state, the weight of the mounting base 300 is borne by the second support plate, and there is no additional pressure or misalignment force between it and the interior trim 10 (and the decorative cover 100) due to the need to counteract gravity. This ensures that the first connecting part 200 and the second connecting part 500 are in a natural, interference-free relative position during subsequent alignment and tightening operations. This avoids potential issues such as misaligned threads, deformation of the connecting parts, or uneven clamping force that could result from forced connection under initial stress.

[0395] Even after the final "two-way clamping" connection is fully secured, the engagement between the inverted mounting part 1300 and the second support plate remains, forming an additional mechanical safety redundancy. Under the harsh conditions of long-term vehicle vibration and bumps, this mounting part can share some of the dynamic load and form a "main-auxiliary" dual protection with the core clamping connection, further reducing the risk of the entire interface detaching from the roof due to extreme situations (such as accidental loosening of the core connection), thus improving the safety and reliability of the product.

[0396] In other embodiments, refer to Figure 5 , Figure 9 , Figure 10 and Figure 11 As shown, at least one connecting ear 1400 is also provided at intervals on the outer peripheral wall of the mounting base 300, and the connecting ear 1400 is provided with a connecting hole 1410. The connecting hole 1410 is used for a connector to pass through, so as to fasten the mounting base 300 to a first support plate on the side of the interior trim 10 facing the mounting base 300 or a second support plate on the side of the mounting base 300 away from the interior trim 10.

[0397] In this embodiment, the connecting lug 1400 is a boss, wing, or flange structure extending outward from the outer peripheral wall of the mounting base 300, and typically has a flat shape or a shape adapted to a specific mating surface. A connecting hole 1410 is provided through its thickness on each connecting lug 1400. This connecting hole 1410 is a standardized through-hole, its size and shape designed to allow fasteners such as screws, bolts, or rivets to pass through smoothly.

[0398] In specific assembly applications, the function of the connecting hole 1410 is to work in conjunction with the corresponding mounting holes on the vehicle's first support plate (for upright mounting) or second support plate (for inverted mounting). During operation, the mounting base 300 is first pre-aligned with the corresponding support plate via its positioning rib 1100 or inverted positioning / hooking part. Then, the shank of the connector (e.g., a self-tapping screw) is sequentially passed through the connecting hole 1410 on the connecting lug 1400 and the corresponding screw hole or through hole on the support plate. Finally, by tightening the connector (e.g., by screwing in a nut or tapping it into the support plate base), a strong axial clamping force is generated, thereby firmly and immovably mechanically fastening the mounting base 300 to the support plate. This fastening connection constitutes an additional rigid fixing point directly connected to the vehicle body structure, in addition to the core "two-way clamping" connection.

[0399] In this embodiment, the threaded connection (bolt / screw) can generate a large, precisely controllable axial preload. The mounting base 300 is directly locked to the vehicle body support plate (first or second support plate) via the connecting lug 1400 and the connector, forming a rigid metal-to-metal (or high-strength plastic-to-metal) connection. The rigidity and anti-loosening capability of this connection far surpasses that of simple snap-fit ​​or plug-in positioning, ensuring the stability of the power interface device connection.

[0400] In this embodiment, the connecting ear 1400 is fastened, distributing most of the vibration load parallel to the plane (i.e., the shear direction) of the interior trim 10, and firmly "anchoring" the mounting base 300 to the vehicle body, so that the core "two-way clamping" connection mainly bears the clamping force perpendicular to the panel surface. This force distribution optimizes the stress state of the core connection point, reduces the amplitude of the alternating stress it bears, and thus significantly improves the fatigue life and long-term reliability of the entire connection system.

[0401] In the event of a vehicle collision or extreme bumps, components may be subjected to impact loads far exceeding their design specifications. The rigid connection between the connecting lug 1400 and the bolts / screws provides mechanical holding force far exceeding the strength of plastic clips. This provides crucial safety redundancy for the power interface device to remain in place during an accident, preventing it from detaching or being impacted into the passenger compartment, protecting high-voltage or high-temperature electrical connection points, and reducing secondary risks.

[0402] In one embodiment, reference is made to... Figure 5 , Figure 9 , Figure 10 and Figure 11 As shown, there are three connecting ears 1400, and the three connecting ears 1400 are integrally formed around the outer peripheral wall of the mounting base 300.

[0403] In this embodiment, the body of the mounting base 300 and the three connecting ears 1400 are designed within the same mold cavity. Through a single injection molding process (for plastic materials) or die casting (for metal materials), molten material fills the cavity, cools, and solidifies to form a single part comprising both the mounting base 300 body and the three connecting ears 1400. The three connecting ears 1400 are evenly distributed at approximately 120-degree intervals along the circumference of the outer peripheral wall of the mounting base 300, or distributed at non-uniform but optimized intervals depending on the specific shape of the mounting base 300 and its fit with the support plate. Each connecting ear 1400 extends radially outward from the outer peripheral wall of the mounting base 300, with its root smoothly transitioning to the wall surface of the mounting base 300 without any seams or interfaces. Each connecting ear 1400 has a pre-formed connecting hole 1410 for the connector to pass through. Because it is integrally molded, the spatial position, angle, and positional relationship of the three connecting ears 1400 relative to the body of the mounting base 300 are precisely determined and permanently fixed during the manufacturing stage.

[0404] In this embodiment, the three connecting lugs 1400 are evenly distributed on the circumference, forming a stable three-point support plane. When the mounting base 300 is fastened to the support plate by the connectors (bolts), the force system formed by the three fastening points can optimally constrain the translational and rotational degrees of freedom of the mounting base 300 in all directions (axial, radial, and circumferential). In the complex multi-axis vibration environment of a vehicle, the vibration load is evenly distributed on the three fastening points, avoiding stress concentration or axial oscillation that may be caused by single-point or two-point support. This stable fixing method of "three points determining a plane" provides extremely high static and dynamic connection rigidity for the mounting base 300 and even the entire power interface device, making it an ideal mechanical structure to resist long-term vibration and prevent connection loosening.

[0405] Three evenly distributed connecting lugs 1400 transmit and distribute the fastening reaction force from the support plate evenly to the entire circumference of the outer peripheral wall of the mounting base 300 through their roots. This circumferentially uniform load transmission path avoids the wall surface indentation, deformation, or stress whitening that may result from concentrated fastening force acting on a local area of ​​the mounting base 300. The one-piece molded structure ensures that the roots of the connecting lugs 1400 and the body of the mounting base 300 are a continuous material unit, making the force transmission path continuous and without abrupt changes. This further eliminates weak points or stress concentration sources that may be caused by secondary connections (such as welding or screwing), thereby ensuring the structural integrity and dimensional stability of the mounting base 300 under long-term high preload, and fundamentally guaranteeing the stability of the connection.

[0406] In some embodiments, reference is made to Figure 5 , Figure 9 , Figure 10 and Figure 11 As shown, a reinforcing rib 1500 is provided between the connecting ear 1400 and the mounting base 300.

[0407] In this embodiment, the reinforcing rib 1500 is a rib-shaped, plate-shaped, or triangular protrusion connecting the root region of the connecting ear 1400 and the outer peripheral wall of the mounting base 300. Its material is the same as that of the connecting ear 1400 and the mounting base 300 body, and it is typically manufactured simultaneously with both using an integral molding process to form a continuous material monolith. The main location of the reinforcing rib 1500 is the area at the root of the connecting ear 1400 that bears the maximum bending and shear stress, i.e., the starting point where the connecting ear 1400 extends outward from the wall of the mounting base 300. Its shape can be optimized based on stress analysis, for example, designed as a triangular rib extending radially from the root of the connecting ear 1400 to both sides of the wall of the mounting base 300, or a vertical reinforcing plate disposed between the side of the connecting ear 1400 and the wall of the mounting base 300. The thickness, height, and arrangement angle of the reinforcing rib 1500 are designed to maximize the section modulus and bending stiffness of the root of the connecting ear 1400 with minimal material addition.

[0408] In this embodiment, under the complex alternating loads generated by bolt tightening and vehicle vibration, the root of the connecting lug 1400 bears the greatest bending moment. The root of the flat connecting lug 1400 without reinforcing ribs 1500 is a typical stress concentration area, prone to microcracks and even fracture due to stress concentration and material fatigue. In this embodiment, the reinforcing ribs 1500 significantly increase the moment of inertia of this critical area, effectively dispersing the bending stress across a wider material volume and drastically reducing the peak stress. This fundamentally strengthens the weakest link of the connecting lug 1400, enabling it to withstand higher tightening torques and more severe long-term vibration loads, completely eliminating the risk of mechanical fastening failure due to insufficient structural strength of the connecting lug 1400 itself, and serving as the cornerstone of the long-term reliability of the bolted connection.

[0409] Meanwhile, the reinforcing rib 1500 not only strengthens the connecting lug 1400 in the vertical direction, but its connection with the wall of the mounting base 300 also acts like a "triangular brace" or "flying buttress," enhancing the local stiffness of the mounting base 300 wall near the connection point. This effectively suppresses slight indentation or warping deformation of the mounting base 300 wall around the connecting hole 1410 during bolt tightening or under vibration loads. Maintaining the shape stability of the local area of ​​the mounting base 300 is crucial for ensuring that the axis of the connecting hole 1410 is always perpendicular to the fastening plane, maintaining a constant bolt preload, and preventing stress redistribution due to deformation of the base, thereby ensuring the long-lasting accuracy and clamping force of the mechanical connection.

[0410] In other embodiments, refer to Figure 5 , Figure 9 , Figure 10 and Figure 11 As shown, the inverted positioning part 1200 is located between the two connecting ears 1400, and / or, the inverted hook part 1300 is located between the two connecting ears 1400.

[0411] In this embodiment, considering that the outer peripheral wall of the mounting base 300 typically needs to simultaneously arrange connecting ears 1400 for bolt fastening, positioning ribs 1100 for upright mounting, and positioning or hooking parts for inverted mounting, this embodiment optimizes the arrangement of these functional structures to avoid excessive concentration or interference in the circumferential direction. For example, in a certain area of ​​the outer peripheral wall of the mounting base 300, two spaced-apart connecting ears 1400 are provided, forming an arc-shaped area not occupied by other main functional structures. In this embodiment, at least one of the inverted positioning part 1200 (such as an upwardly protruding positioning post) or the inverted hooking part 1300 (such as an upwardly pointing hook) is arranged in the arc-shaped area between these two connecting ears 1400. This means that, from the top view or circumferential unfolded view of the mounting base 300, the inverted component is "nested" between the two connecting ears 1400 in the circumferential direction, and the three (two connecting ears 1400 and one inverted component) are arranged sequentially and spaced apart along the outer periphery of the mounting base 300.

[0412] This layout was determined during the 3D design phase by comprehensively analyzing the spatial location, volume, and functional interference of all functional components, aiming to achieve an integrated design that is compact, interference-free, and has balanced strength.

[0413] In this embodiment, multiple connection and positioning structures need to be integrated within the limited circumferential space of the mounting base 300. This embodiment effectively utilizes the "window" area naturally formed by the spacing between the two connecting ears 1400 by carefully arranging the inverted component between them, avoiding spatial overlap and interference between the inverted component and other protruding structures such as the connecting ears 1400 and positioning ribs 1100 in the radial or circumferential direction. This allows all functional structures to coexist harmoniously within a compact space, maximizing functional integration while ensuring the overall neatness and compactness of the mounting base 300, which is beneficial for arrangement within the narrow installation space of a vehicle.

[0414] Meanwhile, the root of the connecting lug 1400 is a critical area bearing the enormous tensile stress of the bolt, and the surrounding material is under high stress. The inverted components (especially the positioning part) also generate stress at their roots when subjected to loads. The layout strategy of this embodiment avoids placing the inverted components adjacent to a connecting lug 1400, thereby preventing the superposition of stress fields caused by two high-stress root areas being too close, and the potential for localized material overload, deformation, or strength reduction. Placing the inverted components in the "low-stress" interval between the two connecting lugs 1400 spatially separates the force paths for different functions, optimizing the overall stress distribution on the mounting base 300 body and improving structural durability.

[0415] In scenarios involving inverted mounting (such as roof mounting) and the use of bolts for tightening, the operational sequence might be to first attach / position the component, then tighten the bolts. Positioning the inverted component between the two connecting lugs 1400 provides the operator with a clear operating path and field of vision unobstructed by the lugs 1400 during attachment or positioning operations. Simultaneously, when tightening the bolts on the connecting lugs 1400 later, the inverted component does not obstruct the movement of wrenches or screwdrivers. This ergonomic layout simplifies the complex assembly process and reduces operational difficulty.

[0416] A second aspect of the embodiments of this application provides a power connection component, referring to... Figure 16 and Figure 17 As shown, it includes a power interface device and a connector 600. The power interface device is any of the power interface devices described in the above embodiments. The connector 600 is detachably inserted into the mounting base 300 of the power interface device and is electrically connected to the conductive part 400 of the power interface device.

[0417] The power connection assembly of this application embodiment has the power interface device of any of the above embodiments. The power interface device includes a mounting base 300, which is disposed on the side of the interior trim 10 facing the outside of the vehicle. The mounting base 300 is provided with a conductive part 400 for electrical connection with the plug-in 600. The conductive part 400 includes a plurality of conductive springs. Each conductive spring includes a connecting section fixed to the mounting base 300 and two opposing abutting sections extending from the connecting section toward the interior trim 10. A clamping space is formed between the two abutting sections for elastically clamping the corresponding contacts of the plug-in 600. A contact portion for contacting the plug-in 600 is formed on each abutting section, and the contact portion is located within the clamping space.

[0418] The power interface device of the power connection assembly forms an elastic clamping structure by setting two opposing abutment sections and their inner contact portions. When the connector 600 is inserted, the two abutment sections undergo symmetrical elastic deformation, thereby applying a balanced and continuous clamping force on both sides of the connector 600 contact. This bidirectional elastic clamping mechanism effectively overcomes the problem of unidirectional contact force attenuation caused by vibration, impact, or temperature changes during vehicle operation, significantly reducing the risk of accidental disengagement between the conductive spring and the connector 600 contact, thus solving the technical problem of poor contact stability between conductive terminals and connector contacts in related technologies.

[0419] It should be noted that the connector 600 in this embodiment can be a power plug, a data cable plug, a data and power integrated plug, a magnetic connector plug, etc.

[0420] In other possible embodiments, refer to Figure 3 , Figure 16 and Figure 17As shown, the inner wall of the first socket section 210 of the power interface device is provided with a second internal thread 211, and the outer wall of the plug 600 is provided with a third external thread, and the third external thread is threadedly engaged with the second internal thread 211 so that the plug 600 is threadedly connected to the first socket section 210.

[0421] In this embodiment, the inner wall of the first socket section 210 of the power interface device is machined or formed with an internal thread, specifically referred to as the second internal thread 211. Correspondingly, the outer wall of the plug 600, in the section that mates with the first socket section 210, is machined or formed with an external thread that matches the pitch and tooth profile of the second internal thread 211, specifically referred to as the third external thread.

[0422] In practice, the first insertion section 210 is located within the first connecting portion 200 of the decorative cover 100, and the second internal thread 211 on its inner wall extends axially for a certain length. The length of the third external thread section of the connector 600 is designed to ensure sufficient number of turns. During connection, the user aligns the end of the connector 600 with the third external thread with the insertion port 110 of the decorative cover 100. Subsequently, the connector 600 is rotated so that the third external thread on its outer wall begins to engage with the second internal thread 211 on the inner wall of the first insertion section 210. Through continuous rotation, the connector 600 is smoothly screwed into the first insertion section 210 along the thread guide until the predetermined tightening position is reached or sufficient tightening torque is generated. When the thread is fully engaged, the connector 600 is securely locked within the first insertion section 210, and its electrical connection area makes stable contact with the conductive spring in the mounting base 300. This threaded connection structure, together with the connection between the first connecting part 200 and the second connecting part 500 (for clamping the interior trim 10), are two independent mechanical systems that together ensure the overall connection rigidity from the connector 600 to the vehicle body structure.

[0423] In this embodiment, the threaded connection generates a much greater axial locking force than ordinary plug-in or snap-fit ​​connections. Once the connector 600 is tightened, a robust mechanical interlock is formed between it and the first insertion hole section 210 via the threaded pair. This interlock can resist strong vibrations and impacts from any direction during vehicle operation, fundamentally eliminating the risk of the connector 600 loosening or losing power due to vibration. This is crucial for devices that need to maintain continuous power or signal connection under bumpy road conditions (such as dashcams and navigation devices), achieving ultimate reliability at the physical level of the electrical connection.

[0424] For applications requiring the transmission of large currents (such as fast charging), the stability of the contact resistance between the connector 600 and the interface is crucial. The threaded connection provides a large and constant contact pressure, ensuring extremely low and stable contact resistance between the electrical connection area of ​​the connector 600 and the conductive spring, reducing energy loss and heat generation. Simultaneously, the extremely high connection strength prevents wear and oxidation of the contact surface caused by micro-movements, guaranteeing the safety and efficiency of long-term high-current transmission.

[0425] The threaded engagement itself forms a physical sealing barrier. By adding a sealing ring to the end face of the connector 600 or the first socket section 210, the sealing ring is compressed when the thread is tightened, forming an effective dustproof and moisture-proof seal at the connector inlet 110. This improves the interface's adaptability to harsh environments (such as dusty and humid conditions) and protects the delicate internal electrical contacts.

[0426] Threads are a highly standardized mechanical element, with mature specifications for their processing and inspection. This makes the threaded parts of the connector 600 and interface device easy to manufacture and control in terms of quality. At the same time, the standard threaded connection also means that users can use common tools (when needed) to tighten or loosen the connection, facilitating equipment installation and subsequent maintenance.

[0427] In one embodiment, the peripheral wall of the plug 600 is provided with a first electrical connection region 610 and a second electrical connection region 620 at intervals along the axial direction of its insertion hole channel; the plug 600 is provided with a third electrical connection region 630 at the center of the end facing the power interface device.

[0428] In this embodiment, two electrical connection regions are provided at intervals on the peripheral wall of the connector 600 along the axial direction (i.e., its length) of its insertion socket channel: a first electrical connection region 610 and a second electrical connection region 620. These two regions are typically metal conductor sheets, plating, or inserts attached to the peripheral wall of the insulating housing of the connector 600. They are axially separated from each other with a certain insulating gap, and their axial positions are precisely designed to correspond to the height of the contact portions of the first conductive spring 410 and the second conductive spring 420 in the interface device. Simultaneously, a third electrical connection region 630 is provided at the center of the end of the connector 600 facing the power interface device. This region is located at or near the center of the end face of the insertion end of the connector 600 and may be a single circular contact, a set of miniature contact arrays, or a central conductor.

[0429] During the insertion of the connector 600, the first and second electrical connection areas 620 on its peripheral wall will slide into contact with the contact portions (abutment sections) of the first and second conductive springs 420 located on the side wall of the interface device until they are pressed together. Meanwhile, the third electrical connection area 630 at its end center will eventually contact the contact portion of the third conductive spring 430 located at the deepest point in the interface device as the insertion depth increases. This three-dimensional distribution of the three areas on the connector 600 forms a spatial mirror image with the three contact points of varying heights and positions within the interface device, ensuring a reliable one-to-one electrical connection upon full insertion.

[0430] In this embodiment, the power transmission (first and second regions) is arranged on the peripheral wall. This utilizes the typically larger conductor area and mechanical strength of the peripheral wall to provide a high-current path with low resistance, high current carrying capacity, and good heat dissipation, perfectly meeting the power transmission requirements. The signal transmission (third region) is arranged at the center of the end, where it is less susceptible to mechanical interference and requires higher alignment accuracy, providing a stable and clean transmission environment for high-speed or sensitive signals. This physical isolation of "peripheral power supply and central communication" fundamentally reduces the interference of the magnetic field generated by the power line on the central signal line and avoids signal noise crosstalk to the power circuit, while simultaneously achieving dual optimization of power current carrying capacity and signal transmission quality.

[0431] During insertion, the electrical connection area on the peripheral wall makes large-area surface contact or long-distance line contact with the elastic contact pieces on the side wall of the interface device. This fit itself provides good radial support and guidance, making the connector 600 centered and stable, and less prone to shaking. The end center contact achieves precise "apex" alignment in the final stage. This mechanism of "side wall support and guidance + precise center positioning" ensures the continuity of contact under vibration. At the same time, the axial spacing also avoids accidental short circuits that may occur between the two power supply areas due to vibration.

[0432] A third aspect of this application provides a central control console, including a power interface device or a power connection component of any of the above embodiments.

[0433] The power interface device or power connection assembly of any of the above embodiments is provided on the center console of this application embodiment. Thus, the interior trim 10 can be firmly clamped between the decorative covers 100 and mounting bases 300 located on both sides of the interior trim 10 via the first connecting portion 200 and the second connecting portion 500, forming a uniformly distributed surface contact clamping force. This structure can effectively disperse and transfer the complex loads generated by vehicle vibration, user insertion and removal operations, etc., to a larger contact area and a more stable mechanical load-bearing path at the connecting portion, avoiding problems such as fatigue, plastic deformation, or breakage that are prone to occur due to stress concentration in traditional elastic clips. Therefore, even in long-term vibration environments or frequent insertion and removal conditions, it is difficult for the power interface device and the interior trim 10 to loosen, shake, or produce abnormal noise, thereby improving the mechanical stability and reliability of the connection between the power interface device and the interior trim 10.

[0434] A fourth aspect of this application provides a vehicle including a power interface device and a power connection component of any of the above embodiments.

[0435] The vehicle in this application embodiment is equipped with a power interface device or a power connection assembly as described in any of the above embodiments. Thus, by providing two opposing abutment sections and their inner contact portions, an elastic clamping structure is formed. When the connector 600 is inserted, the two abutment sections undergo symmetrical elastic deformation, thereby applying a balanced and continuous clamping force to both sides of the connector 600 contact. This bidirectional elastic clamping mechanism effectively overcomes the problem of unidirectional contact force attenuation caused by vibration, impact, or temperature changes during vehicle operation, significantly reducing the risk of accidental disengagement between the conductive spring and the connector 600 contact, thereby solving the technical problem of poor contact stability between the conductive terminal and the connector contact in related technologies.

[0436] In another embodiment, the vehicle includes a body, the body includes a center console, and a power interface device is disposed on the center console.

[0437] In this embodiment, the power interface device can be located on the front panel of the center console, near the gear lever operating area, or inside the storage box. In this location, the decorative cover 100 forms part of the center console panel, blending with the interior style. The mounting bracket 300 is mounted on the internal frame or support structure of the center console. Typically, this location uses a "forward mounting" method, utilizing the positioning rib 1100 on the mounting bracket 300 to engage with the first support plate inside the center console for pre-positioning.

[0438] In another embodiment, the vehicle body includes a roof, and a power interface device is disposed on the roof.

[0439] In this embodiment, the vehicle body includes a roof. The power interface device can be located near the front reading lights, next to the sunroof control area, or near the rear air conditioning vents. At this location, the decorative cover 100 is embedded in the roof interior panel. Since the installation direction is from top to bottom (from outside the vehicle to inside), an "inverted" installation method is typically required. The mounting bracket 300 is positioned above the roof sheet metal or crossbeam, and utilizes its inverted positioning part 1200 or inverted mounting part 1300 to cooperate with the second support plate of the roof (such as a roof crossbeam) to overcome gravity and achieve pre-positioning and auxiliary support.

[0440] In another embodiment, the vehicle body includes a dashboard, and a power interface device is disposed on the dashboard.

[0441] In this embodiment, the power interface device can also be located on the instrument panel, such as below the driver's side, in front of the passenger side, or in the center of the dashboard. Its installation logic is similar to that of the center console embodiment, which is a typical "formal" application.

[0442] In another embodiment, the vehicle body includes an armrest box, and a power interface device is disposed on the armrest box.

[0443] In this embodiment, the power interface device can be located on the front or rear wall of the front center armrest box, or inside the box. This provides a convenient charging location for both front and rear passengers.

[0444] In another embodiment, the vehicle body includes a seat, and a power interface device is disposed on the seat.

[0445] In this embodiment, the power interface device can also be integrated into the vehicle seat, for example, it can be located on the side of the backrest of the front seat for the convenience of rear passengers; or it can be located in the side panel of the seat.

[0446] In another embodiment, the vehicle body includes body pillars, and a power interface device is disposed on the trim panel of the body pillars.

[0447] In this embodiment, as a common and practical arrangement, the power interface device can be installed on the trim panel of the vehicle body pillars (such as the A-pillar, B-pillar, or C-pillar). This is particularly suitable for providing convenience for rear passengers and keeping the cables inside the vehicle tidy. When installing in this location, the shape of the trim cover 100 needs to be adapted to the curvature and internal space of the pillar trim panel.

[0448] In another embodiment, the vehicle body includes a luggage compartment, and a power interface device is located on the luggage compartment.

[0449] In this embodiment, in order to meet the power needs of vehicle electrical appliances (such as air pumps, vehicle refrigerators, and emergency power supplies), the power interface device can be installed on the trim panel near the side wall, front wall, or floor of the trunk.

[0450] In another embodiment, the vehicle body includes doors, and a power interface device is located on the door trim panel.

[0451] In this embodiment, the power interface device can also be integrated into the door trim panel, for example, located near the door handle or at the front of the storage compartment, to provide the driver and passengers with the nearest power access point.

[0452] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the following claims.

[0453] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A power interface device, characterized by include: Mounting base (300), the mounting base (300) is provided on the side of the interior trim (10) facing the outside of the vehicle, the mounting base (300) is provided with a conductive part (400), the conductive part (400) is used to electrically connect with the plug (600); The conductive part (400) includes a plurality of conductive springs, each of the conductive springs including a connecting section fixed to the mounting base (300) and two opposing abutting sections extending from the connecting section toward the interior trim (10), a clamping space is formed between the two abutting sections for elastically clamping the corresponding contacts of the plug (600), and a contact portion is formed on each abutting section for contacting the plug (600), the contact portion being located within the clamping space; The contact portions of each of the conductive springs are located at different heights along the insertion direction of the connector (600), so that when the connector (600) is inserted into place, they respectively correspond to the contacts on the connector (600) located at different positions along its own direction.

2. The power interface device of claim 1, wherein, At least one of the conductive spring pieces has an arc-shaped clamping surface formed on each of the two opposite abutting sections. The arc-shaped clamping surface constitutes the contact portion, and the two arc-shaped clamping surfaces are spaced apart and facing each other. The two arc-shaped clamping surfaces are used to abut against the two sides of the corresponding contact of the plug (600). And / or, at least one of the conductive spring pieces has contact protrusions protruding into the clamping space on two opposite abutting sections, the contact protrusions forming the contact portion, the two contact protrusions being spaced apart and facing each other, and the two contact protrusions being used to abut against the sides of the corresponding contact of the plug (600).

3. The power interface apparatus of claim 1, wherein, The mounting base (300) is also provided with a mounting cavity (310) and a mounting port (320) communicating with the mounting cavity (310). The conductive part (400) is disposed in the mounting cavity (310). The mounting port (320) is used to communicate with the mounting hole of the interior trim (10) so that the plug (600) can pass through the mounting hole of the interior trim (10) and enter the mounting cavity (310) through the mounting port (320) to be electrically connected to the conductive part (400).

4. The power interface apparatus of claim 3, wherein, The connecting section of each of the conductive springs is fixed to the bottom wall of the mounting cavity (310); The conductive spring also includes a conductive segment that extends from the connecting segment, passes through the bottom wall of the mounting cavity (310), and extends to the outside of the mounting cavity (310). The conductive segment is used for electrical connection with the conductive wire harness.

5. The power interface apparatus of claim 4, wherein, The bottom wall of the mounting cavity (310) is provided with a potting compound layer (1600), which covers and seals the portion of each conductive segment that extends out of the mounting cavity (310).

6. The power interface apparatus of claim 3, wherein, The conductive part (400) includes three conductive springs, namely a first conductive spring (410), a second conductive spring (420) and a third conductive spring (430).

7. The power interface device according to claim 6, characterized in that, The abutting section of the first conductive spring sheet (410) is the first abutting section (411), and the contact portion of the first abutting section (411) is the first contact portion (4111). The abutting section of the second conductive spring (420) is the second abutting section (421), and the contact portion of the second abutting section (421) is the second contact portion (4211); The abutting section of the third conductive spring (430) is the third abutting section (431), and the contact portion of the third abutting section (431) is the third contact portion (4311). Along the insertion direction of the connector (600), the first contact portion (4111) is furthest from the bottom wall of the mounting cavity (310), the third contact portion (4311) is next, and the second contact portion (4211) is closest to the bottom wall of the mounting cavity (310).

8. The power interface apparatus of claim 7, wherein, The first conductive spring (410) and the second conductive spring (420) are used to connect to the power supply, and the third conductive spring (430) is used to connect to the signal. And / or, the first contact portion (4111) is used to abut against the first electrical connection area (610) on the sidewall of the connector (600); And / or, the second contact portion (4211) is used to abut against the second electrical connection area (620) on the sidewall of the connector (600); And / or, the third contact portion (4311) is used to abut against the third electrical connection area (630) at the center of the plug (600).

9. The power interface apparatus of claim 6, wherein, The connecting segment of the first conductive spring (410) is the first connecting segment (412), the connecting segment of the second conductive spring (420) is the second connecting segment (422), and the connecting segment of the third conductive spring (430) is the third connecting segment (432). The first conductive spring (410) further includes a first conductive segment (413), which extends from the first connecting segment (412), passes through the bottom wall of the mounting cavity (310), and extends to the outside of the mounting cavity (310) for electrical connection with the first wire harness (20). And / or, the second conductive spring (420) further includes a second conductive segment (423), which extends from the second connecting segment (422), passes through the bottom wall of the mounting cavity (310), and extends to the outside of the mounting cavity (310) for electrical connection with the second wire harness (30); And / or, the third conductive spring (430) further includes a third conductive segment (433) that extends from the third connecting segment (432), passes through the bottom wall of the mounting cavity (310), and extends to the outside of the mounting cavity (310) for electrical connection with the third wire harness (40).

10. The power interface device of claim 9, wherein, The mounting base (300) is provided with a first wire harness (20) limiting part, a second wire harness (30) limiting part and a third wire harness (40) limiting part. The first wire harness (20) limiting part is used to fix the first wire harness (20), the second wire harness (30) limiting part is used to fix the second wire harness (30), and the third wire harness (40) limiting part is used to fix the third wire harness (40).

11. A power connection assembly, characterized by include: A power interface device, wherein the power interface device is the power interface device according to any one of claims 1 to 10; A connector (600) is detachably inserted into the mounting base (300) of the power interface device and electrically connected to the conductive part (400) of the power interface device.

12. A vehicle characterized by comprising: Includes the power interface device according to any one of claims 1 to 10 or the power connection assembly according to claim 11.

13. The vehicle of claim 12, wherein, The vehicle includes a vehicle body, the vehicle body includes a center console, and the power interface device is located on the center console. And / or, the vehicle body includes a roof, and the power interface device is disposed on the roof; And / or, the vehicle body includes a dashboard, and the power interface device is disposed on the dashboard; And / or, the vehicle body includes an armrest box, and the power interface device is disposed on the armrest box; And / or, the vehicle body includes a seat, and the power interface device is disposed on the seat; And / or, the vehicle body includes body pillars, and the power interface device is disposed on the trim panel of the body pillars; And / or, the vehicle body includes a luggage compartment, and the power interface device is located on the luggage compartment; And / or, the vehicle body includes doors, and the power interface device is located on the trim panel of the door.

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