Quick-plug type power connection structure, headrest assembly and automobile

Abstract

The utility model relates to the technical field of power connection structures, and provides a quick plug type power connection structure, a headrest assembly and an automobile. A second wire harness; the power connection assembly is provided with a first connecting piece, a second connecting piece, a first power connection terminal and a power connection piece, the first power connection terminal is fixedly arranged on the first connecting piece, the power connection piece is arranged in the second connecting piece, one end of the power connection piece is connected with the first power connection terminal in an inserted mode, and the other end of the power connection piece is connected with the first wire harness; one end of the second wire harness is connected to the second power connection terminal; the first connecting piece and the second connecting piece are inserted, so that the first wire harness is electrically connected with the first power connection terminal through the power connection piece; the first wire harness and the second wire harness can be in a connected state due to the fact that the first power connection terminal abuts against the second power connection terminal, and can be in a disconnected state due to the fact that the first power connection terminal is separated from the second power connection terminal; according to the design, a convenient, rapid and safe power connection and disconnection operation mode is realized.

Description

Technical Field

[0001] This utility model relates to the field of electrical connection structure technology, specifically a quick-connect electrical connection structure, a headrest assembly, and an automobile. Background Technology

[0002] With the widespread use of electrical equipment in industrial production and daily life, the demands for power connection methods in terms of convenience, speed, and safety have become increasingly diverse. Various electrical devices and systems are ubiquitous in manufacturing, transportation, information technology, and household life. These devices are not only numerous and diverse, but also rely on a stable and efficient power supply, ranging from large industrial machinery to portable electronic devices. Therefore, developing a more convenient, faster, and safer power connection and disconnection solution has become an important research topic for engineers. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a quick-connect electrical connection structure, a headrest assembly, and an automobile, in light of the current state of the technology.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a quick-connect electrical connection structure is proposed, comprising:

[0005] First wiring harness;

[0006] Second harness;

[0007] A power connection assembly is provided, with one end of the first wire harness disposed on the power connection assembly. The power connection assembly has a first connector, a second connector, a first power terminal, and a power connector. The first power terminal is fixed on the first connector, and the power connector is disposed in the second connector. One end of the power connector is inserted into the first power terminal, and the other end is connected to the first wire harness. The first power terminal and the power connector can be in a plugged-in state because the first connector and the second connector are connected.

[0008] The second power terminal is connected to one end of the second wire harness, and the first power terminal and the second power terminal are movably abutted against each other.

[0009] The first wire harness and the second wire harness can be in a connected state when the first power terminal and the second power terminal are abutting each other, and in a disconnected state when the first power terminal and the second power terminal are separated.

[0010] In the aforementioned quick-connect electrical connection structure, one end of the electrical connector is provided with a first insertion hole, and one end of the first wire harness is inserted into the first insertion hole and fixed by riveting.

[0011] In the aforementioned quick-connect electrical structure, one end of the second electrical terminal is provided with a second insertion hole, and the second wire harness is inserted into the second insertion hole and fixed by riveting.

[0012] In the aforementioned quick-connect electrical structure, a third insertion hole is provided at the end of the electrical connector away from the first wire harness, and one end of the first electrical terminal is inserted into the third insertion hole.

[0013] In the aforementioned quick-connect power connection structure, the power connection component further includes:

[0014] The limiting member has a cavity inside the second connecting member. Both the limiting member and the electrical contact member are disposed in the cavity. The limiting member is used to limit the electrical contact member within the cavity.

[0015] A connecting block is disposed in the cavity and integrally formed with the second connecting member. The connecting block is provided with a through fourth insertion hole. The end of the first electrical terminal away from the first wire harness is inserted into the fourth insertion hole and connected to the second electrical terminal.

[0016] In the aforementioned quick-connect electrical connection structure, the connecting block is further provided with an inverted buckle structure, and one end of the limiting member is provided with a T-shaped structure. The large end of the T-shaped structure abuts against the inverted buckle structure, and the electrical connection member can be fixed in the cavity because the large end abuts against the inverted buckle structure.

[0017] In the aforementioned quick-connect electrical structure, the first connector is further provided with a connecting portion, and the outer side wall of the second connector abuts against the connecting portion.

[0018] In the aforementioned quick-connect electrical structure, a positioning protrusion is provided on the outer side wall of the second connector, and a positioning groove is provided on the connecting part. The positioning protrusion is engaged with the positioning groove to provide positioning for the connection between the first connector and the second connector.

[0019] This utility model solves the above-mentioned technical problems by providing a headrest assembly, which includes the above-mentioned quick-connect power connection structure.

[0020] The electrical device is located inside the headrest;

[0021] A headrest support rod is provided on the headrest, a second connector is provided inside the headrest support rod, and a first wire harness passes through the headrest support rod and is electrically connected to the electrical device.

[0022] The headrest support rod is provided with a first snap-fit ​​groove, and the first connector is provided with a second snap-fit ​​groove. The first snap-fit ​​groove and the second snap-fit ​​groove are located in the same axial position. The snap-fit ​​spring is snapped into the first snap-fit ​​groove and the second snap-fit ​​groove to fix the first connector onto the headrest support rod.

[0023] A guide sleeve is fixed to the seat, one end of the headrest support rod is inserted into the guide sleeve, and the second electrical terminal is fixed to the guide sleeve;

[0024] The first power terminal can be electrically connected to the second power terminal when the headrest support rod is inserted into the guide sleeve, so as to connect the first wire harness and the second wire harness. As the headrest support rod moves away from the guide sleeve, they move away from each other, so as not to interfere with the separation of the headrest and the seat.

[0025] This utility model solves the above-mentioned technical problems and also proposes an automobile, including the aforementioned headrest assembly.

[0026] Compared with the prior art, the quick-connect electrical connection structure of this utility model has the following advantages:

[0027] (1) Through the docking of the first connector and the second connector, the first electrical terminal on the first connector and the electrical component in the second connector are precisely plugged in, thereby realizing a reliable electrical connection between the first wire harness and the first electrical terminal. The first electrical terminal and the second electrical terminal abut against each other, so that the current flows between the first wire harness and the second wire harness. When disassembling, the first electrical terminal and the second electrical terminal are separated, and the current path between the first wire harness and the second wire harness is immediately cut off, so that the entire circuit is in a safe disconnected state. Further separation of the first connector and the second connector will cause the first electrical terminal to separate from the electrical component, ensuring that all electrical connections are completely disconnected. This detachable electrical connection method makes the disassembly and connection operation without the need for professional tools and technicians, which greatly saves time and labor, realizes a convenient, fast and safe operation method, and provides great convenience for subsequent maintenance and repair.

[0028] (2) By riveting, the first wire harness and the second wire harness are respectively fixed to the electrical connector and the second electrical terminal, which not only simplifies the manufacturing process, but also avoids the problem of poor welding, thereby improving the reliability of electrical connection and overall quality;

[0029] (3) When applied to the headrest assembly, the first connector and the second connector are plugged in to form a stable electrical connection between the first wire harness and the first power terminal. The first connector and the second connector assembly are fixed on the headrest support rod, and the second power terminal is fixed on the guide sleeve. When the headrest support rod is inserted into the guide sleeve, the first power terminal and the second power terminal are electrically connected to provide power to the electrical device. When the headrest is removed from the seat, the first power terminal and the second power terminal are disconnected to ensure that the operation of the headrest is not affected during the disassembly process. Attached Figure Description

[0030] Figure 1 This is a 3D view of the proposed solution;

[0031] Figure 2 yes Figure 1 Three-dimensional view of the hidden guide sleeve structure;

[0032] Figure 3 yes Figure 2 Partial structural plan;

[0033] Figure 4 yes Figure 3 Sectional view of AA;

[0034] Figure 5 This is a 3D view of the power connection components and headrest support rod in this solution;

[0035] Figure 6 yes Figure 5 Three-dimensional view of the middle section structure;

[0036] Figure 7 This is a three-dimensional view of the second connector in this design.

[0037] In the diagram, 1. First wiring harness; 2. Second wiring harness; 3. Power connection assembly; 4. First connector; 5. Second connector; 6. First power connection terminal; 7. Power connection component; 8. Second power connection terminal; 9. Third insertion hole; 10. Limiting component; 11. Connecting block; 12. Fourth insertion hole; 13. Inverted structure; 14. T-shaped structure; 15. Connecting part; 16. Positioning protrusion; 17. Positioning groove; 18. Headrest support rod; 19. First snap-fit ​​groove; 20. Second snap-fit ​​groove; 21. Snap ring; 22. Guide sleeve. Detailed Implementation

[0038] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0039] like Figures 1 to 7As shown, this utility model discloses a quick-connect power connection structure, comprising: a first wire harness 1; a second wire harness 2; and a power connection assembly 3. One end of the first wire harness 1 is disposed on the power connection assembly 3. The power connection assembly 3 has a first connector 4, a second connector 5, a first power connection terminal 6, and a power connection element 7. The first power connection terminal 6 is fixed on the first connector 4, and the power connection element 7 is disposed within the second connector 5. One end of the power connection element 7 is inserted into the first power connection terminal 6, and the other end is connected to the first wire harness 1. The first power connection terminal 6 and the power connection element 7 can be in a plugged-in state due to the connection between the first connector 4 and the second connector 5. A second power connection terminal 8 is disposed on one end of the second wire harness 2. The first power connection terminal 6 and the second power connection terminal 8 are movably abutted against each other. The first wire harness 1 and the second wire harness 2 can be in a connected state due to the abutment between the first power connection terminal 6 and the second power connection terminal 8, and can be in a disconnected state due to the separation of the first power connection terminal 6 and the second power connection terminal 8.

[0040] To ensure the electrical connection between the first terminal 6 and the first wire harness 1, simply mate the first connector 4 and the second connector 5. At this time, the connector 7 located within the second connector 5 will plug into the first terminal 6 fixed to the first connector 4, thus establishing a reliable electrical connection between the first wire harness 1 and the first terminal 6 through the connector 7. This not only provides a solid foundation for the normal operation of subsequent circuits but also ensures the safety and efficiency of power transmission. When the first terminal 6 contacts the second terminal 8, a stable electrical connection is formed between them, allowing current to flow between the first wire harness 1 and the second wire harness 2. Conversely, when disassembly is required, the operator only needs to separate the first terminal 6 and the second terminal 8. 8. The current path between the first wire harness 1 and the second wire harness 2 is immediately cut off, putting the entire circuit in a safe disconnected state. This further separates the first connector 4 and the second connector 5, causing the first electrical terminal 6 to separate from the connector 7, ensuring that all electrical connections are completely disconnected. This design allows for disconnection and reconnection operations without the need for professional tools and technicians, greatly saving time and labor, and achieving a convenient, fast, and safe operation method, providing great convenience for subsequent maintenance and repair. The first electrical terminal 6, the second electrical terminal 8, and the connector 7 can be made of copper or other materials with good conductivity to ensure good electrical performance. The first electrical terminal 6 is installed on the first connector 4 by insert injection molding.

[0041] In order to achieve a reliable connection between the power connector 7 and the first wire harness 1, one end of the power connector 7 is provided with a first insertion hole, and one end of the first wire harness 1 is inserted into the first insertion hole and fixed by riveting.

[0042] Riveting is a mechanical connection technique that uses pressure to plastically deform metal materials, thereby firmly joining two components together. Welding is a common electrical connection method, but it is prone to problems such as incomplete soldering, which can lead to poor contact, increased resistance, and even circuit failure. In contrast, riveting avoids these problems that may occur during welding. Since riveting does not involve melting metal, it does not produce defects such as porosity or inclusions, thus improving the overall quality and reliability of the electrical connection.

[0043] In order to achieve a reliable connection between the second electrical terminal 8 and the second wire harness 2, a second insertion hole is provided at one end of the second electrical terminal 8. One end of the second wire harness 2 is inserted into the second insertion hole and fixed by riveting. Riveting can ensure the stability and durability of the connection point, avoid the risk of poor soldering, and thus improve the overall quality of electrical connection.

[0044] To further enhance the connection stability between the first electrical terminal 6 and the electrical connector 7, a third insertion hole 9 is provided at the end of the electrical connector 7 away from the first wire harness 1, and one end of the first electrical terminal 6 is inserted into the third insertion hole 9. When the first connector 4 is connected to the second connector 5, one end of the first electrical terminal 6 is inserted into the third insertion hole 9, thereby realizing the electrical connection between the first electrical terminal 6 and the first wire harness 1. The third insertion hole 9 not only provides a precise mating position for the first electrical terminal 6, but also ensures a tight fit between the first electrical terminal 6 and the electrical connector 7 through its internal geometry and size optimization.

[0045] Furthermore, the power connection assembly 3 also includes: a limiting member 10, in which the second connector 5 has a cavity, and both the limiting member 10 and the power connection 7 are disposed in the cavity. The limiting member 10 is used to limit the power connection 7 within the cavity; and a connecting block 11, which is disposed within the cavity and integrally formed with the second connector 5. The connecting block 11 has a through fourth insertion hole 12, and the end of the power connection 7 away from the first wire harness 1 is inserted into the fourth insertion hole 12 and connected to the first power connection terminal 6.

[0046] To ensure the secure connection of the limiting member 10 within the cavity, the connecting block 11 is also provided with an inverted buckle structure 13. One end of the limiting member 10 is provided with a T-shaped structure 14, the large end of the T-shaped structure 14 abutting against the inverted buckle structure 13. The electrical connector 7 can be fixed within the cavity due to the abutting between the large end of the T-shaped structure 14 and the inverted buckle structure 13. Through the cooperation of the T-shaped structure 14 and the inverted buckle structure 13, the limiting member 10 not only achieves its own fixation within the cavity but also ensures the stability of the position of the electrical connector 7. This dual fixing mechanism greatly enhances the mechanical strength of the entire component, maintaining good performance even under vibration or impact environments. In addition, the tight contact between the large end of the limiting member 10 and the inverted buckle structure 13 also plays a role in preventing loosening, avoiding connection failure caused by external factors.

[0047] To ensure a secure and reliable connection between the first connector 4 and the second connector 5, a connecting part 15 is specially designed on the first connector 4. The shape and size of the connecting part 15 are precisely calculated to perfectly match the outer wall of the second connector 5. When the first connector 4 and the second connector 5 are mated, the outer wall of the second connector 5 will fit tightly against the connecting part 15 on the first connector 4.

[0048] To ensure accurate positioning of the first connector 4 and the second connector 5 during docking, a positioning protrusion 16 is provided on the outer side wall of the second connector 5, and a corresponding positioning groove 17 is designed on the connecting part 15 of the first connector 4. When the first connector 4 and the second connector 5 dock, the positioning protrusion 16 will precisely engage with the positioning groove 17 of the connecting part 15, thereby achieving precise alignment between the two.

[0049] The specific steps for assembling the electrical assembly 3 are as follows:

[0050] Step 1: Insert the first wire harness 1 into the first connector hole on the connector 7 and fix it by riveting;

[0051] Step 2: Insert the end of the connector 7 away from the first wire harness 1 into the fourth insertion hole 12 on the connector block 11, so that the connector 7 is initially positioned in the cavity.

[0052] Step 3: Insert the limiting member 10 into the cavity. The outer wall of the limiting member 10 abuts against the inner wall of the connecting member 7. Continue to push the limiting member 10 until the large end of the T-shaped structure 14 on the limiting member 10 contacts the undercut structure 13 on the connecting block 11. By applying appropriate pressure, the large end of the T-shaped structure 14 is tightly engaged with the undercut structure 13. This step not only fixes the limiting member 10, but also ensures the stable position of the connecting member 7 in the cavity.

[0053] Step 4: Connect the first connector 4 and the second connector 5 so that the outer side wall of the second connector 5 abuts against the connecting part 15 on the first connector 4. Continue connecting until the positioning protrusion 16 on the second connector 5 is engaged in the positioning groove 17 on the first connector 4, thus completing the fixation of the two. At this time, one end of the first power terminal 6 is inserted into the third insertion hole 9 on the power connector 7.

[0054] After completing the above steps, the power connection assembly 3 is assembled. At this time, the first power connection terminal 6 installed on the first connector 4 and the power connection component 7 located in the second connector 5 are connected to ensure a reliable electrical connection between the first power connection terminal 6 and the first wire harness 1. This provides a solid foundation for the normal operation of the subsequent circuit. The current can be smoothly conducted from the first wire harness 1 to the first power connection terminal 6. When the first power connection terminal 6 contacts the second power connection terminal 8, the first wire harness 1 and the second wire harness 2 are connected, thereby ensuring the safety and efficiency of power transmission.

[0055] This solution also proposes a headrest assembly, including the aforementioned quick-connect electrical structure; an electrical device disposed within the headrest; a headrest support rod 18 disposed on the headrest, a second connector 5 disposed within the headrest support rod 18, and a first wiring harness 1 passing through the headrest support rod 18 and electrically connected to the electrical device; a first snap-fit ​​groove 19 is provided on the headrest support rod 18, and a second snap-fit ​​groove 20 is provided on the first connector 4, the first snap-fit ​​groove 19 and the second snap-fit ​​groove 20 being located in the same axial position, and a snap-fit ​​spring 21 snapping into the first snap-fit ​​groove 19 and the second snap-fit ​​groove 20 for fixing the first connector 4 to the headrest support rod 18; a guide sleeve 22 fixedly disposed on the seat, one end of the headrest support rod 18 being inserted into the guide sleeve 22, and a second electrical terminal 8 fixedly disposed on the guide sleeve 22, the second electrical terminal 8 being fixed to the guide sleeve 22 by insert injection molding or welding.

[0056] The specific steps for fixing the power connection assembly 3 to the headrest support rod 18 are as follows: First, make the first connector 4 and the second connector 5 in the plug-in state to ensure that the power connection 7 and the first power connection terminal 6 form a stable electrical connection; then, insert the already connected first connector 4 and second connector 5 assembly into the headrest support rod 18 until the second snap-fit ​​groove 20 on the first connector 4 and the first snap-fit ​​groove 19 on the headrest support rod 18 are aligned on the same axis, ensuring that the snap ring 21 firmly fixes the second connector 5 to the headrest support rod 18, thereby completing the entire fixing process.

[0057] When the headrest support rod 18 is inserted into the guide sleeve 22, as the insertion depth increases, the first electrical terminal 6 gradually approaches the second electrical terminal 8. Once the first electrical terminal 6 and the second electrical terminal 8 make contact and form an electrical connection, the first wiring harness 1 and the second wiring harness 2 are in a connected state, thereby ensuring that power can be efficiently and without loss to the electrical device, such as the built-in heating element, massage device or other electronic equipment. Conversely, when it is necessary to separate the headrest from the seat, that is, during the process of pulling the headrest support rod 18 out of the guide sleeve 22, the first electrical terminal 6 and the second electrical terminal 8 move away from each other. As the two are separated, the circuit between the first wiring harness 1 and the second wiring harness 2 is reliably disconnected, preventing accidental current flow. This design ensures that the circuit can be safely disconnected in the event of emergency evacuation or routine maintenance disassembly, protecting the user from the risk of electric shock and avoiding short circuits or fire hazards caused by accidental current.

[0058] This sub-solution also proposes a car that includes the aforementioned headrest assembly.

[0059] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment 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.

[0060] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is 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, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0061] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" 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 explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0062] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0063] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the scope defined by the spirit of this utility model.

Claims

1. A quick-connect electrical connection structure, characterized in that, include: First wiring harness; Second harness; A power connection assembly is provided, with one end of the first wire harness disposed on the power connection assembly. The power connection assembly has a first connector, a second connector, a first power terminal, and a power connector. The first power terminal is fixed on the first connector, and the power connector is disposed in the second connector. One end of the power connector is inserted into the first power terminal, and the other end is connected to the first wire harness. The first power terminal and the power connector can be in a plugged-in state because the first connector and the second connector are connected. The second power terminal is connected to one end of the second wire harness, and the first power terminal and the second power terminal are movably abutted against each other. The first wire harness and the second wire harness can be in a connected state when the first power terminal and the second power terminal are abutting each other, and in a disconnected state when the first power terminal and the second power terminal are separated.

2. The quick-connect electrical connection structure as described in claim 1, characterized in that, One end of the power connector is provided with a first insertion hole, and one end of the first wire harness is inserted into the first insertion hole and fixed by riveting.

3. The quick-connect electrical connection structure as described in claim 1, characterized in that, One end of the second electrical terminal is provided with a second insertion hole, and the second wire harness is inserted into the second insertion hole and fixed by riveting.

4. The quick-connect electrical connection structure as described in claim 2, characterized in that, The end of the power connector away from the first wire harness is provided with a third plug hole, and one end of the first power connector is inserted into the third plug hole.

5. The quick-connect electrical connection structure as described in claim 1, characterized in that, The power connection assembly also includes: The limiting member has a cavity inside the second connecting member. Both the limiting member and the electrical contact member are disposed in the cavity. The limiting member is used to limit the electrical contact member within the cavity. A connecting block is disposed in the cavity and integrally formed with the second connecting member. The connecting block is provided with a through fourth insertion hole. The end of the first electrical terminal away from the first wire harness is inserted into the fourth insertion hole and connected to the second electrical terminal.

6. The quick-connect electrical connection structure as described in claim 5, characterized in that, The connecting block is also provided with an inverted buckle structure, and one end of the limiting member is provided with a T-shaped structure. The large end of the T-shaped structure abuts against the inverted buckle structure, and the electrical connector can be fixed in the cavity because the large end abuts against the inverted buckle structure.

7. The quick-connect electrical connection structure as described in claim 1, characterized in that, The first connector is further provided with a connecting portion, and the outer side wall of the second connector abuts against the connecting portion.

8. The quick-connect electrical connection structure as described in claim 7, characterized in that, The second connector has a positioning protrusion on its outer side wall and a positioning groove on its connecting part. The positioning protrusion engages with the positioning groove to provide positioning for the connection between the first connector and the second connector.

9. A headrest assembly, characterized in that, include: A quick-connect electrical connection structure as described in any one of claims 1 to 8; The electrical device is located inside the headrest; A headrest support rod is provided on the headrest, a second connector is provided inside the headrest support rod, and a first wire harness passes through the headrest support rod and is electrically connected to the electrical device. The headrest support rod is provided with a first snap-fit ​​groove, and the first connector is provided with a second snap-fit ​​groove. The first snap-fit ​​groove and the second snap-fit ​​groove are located in the same axial position. The snap-fit ​​spring is snapped into the first snap-fit ​​groove and the second snap-fit ​​groove to fix the first connector onto the headrest support rod. A guide sleeve is fixed to the seat, one end of the headrest support rod is inserted into the guide sleeve, and the second electrical terminal is fixed to the guide sleeve; The first power terminal can be electrically connected to the second power terminal when the headrest support rod is inserted into the guide sleeve, so as to connect the first wire harness and the second wire harness. As the headrest support rod moves away from the guide sleeve, they move away from each other, so as not to interfere with the separation of the headrest and the seat.

10. A car, characterized in that, Includes a headrest assembly as described in claim 9.

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