High-voltage connector

Abstract

The utility model discloses a high-voltage connector which comprises the components of a plugging assembly which comprises a housing and a terminal structure which is arranged in the housing; the wire harness assembly comprises a flexible connecting bar, one end of the flexible connecting bar extends into the shell and is conductively connected with the terminal structure, the other end of the flexible connecting bar is fixedly connected with a hard rod, the hard rod comprises flat parts and a cylindrical part, and the flat parts are arranged at the two opposite ends of the cylindrical part; the protection assembly comprises a shielding piece, a sealing plate and a wire sealing body, the shielding piece, the sealing plate and the wire sealing body are sequentially arranged at the end, close to the plugging assembly, of the hard rod, the cylindrical part is sleeved with the shielding piece, the sealing plate and the wire sealing body, an insulation sleeve is arranged between the hard rod and the inner wall of the shell, and the outer diameter of the insulation sleeve is matched with the inner diameter of the shell. According to the high-voltage connector, the overall weight of the high-voltage connector is effectively reduced, the current-carrying capacity is improved, and meanwhile, the influence of external environmental factors on an internal circuit is effectively prevented, so that the stability and the safety of the connector are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connectors, in particular to a high-voltage connector. BACKGROUND

[0002] High-voltage connectors play a crucial role in modern power transmission and electric vehicle charging systems, as key components connecting power sources and loads, their design and performance directly affect the safety, efficiency and reliability of equipment. With the rapid development of electric vehicles and renewable energy applications, the demand for high-voltage connectors continues to grow, especially in charging piles and high-power charging equipment, higher performance requirements are put forward for high-voltage connectors.

[0003] The high-voltage connectors currently used in the market generally use heavy copper wires as conductors, although copper has good electrical conductivity, but its weight is large, which leads to the volume and weight of the entire connector cannot be ignored. In electric vehicles and other applications that are extremely sensitive to weight, the heavy connector not only increases the energy consumption of the vehicle, but also reduces the overall performance and endurance of the vehicle. In addition, the production cost of copper wire is high and the current-carrying capacity is low, which increases the economic burden of manufacturing high-voltage connectors, bringing greater pressure to manufacturers. In addition to material costs and weight issues, the structural design of existing high-voltage connectors often lacks good sealing and shielding performance, high-voltage connectors usually work in harsh environments, including high temperature, humidity or corrosive environment, which makes the internal circuit of the connector vulnerable to external factors, and the design fails to effectively prevent the invasion of these environmental factors, leading to the possibility of early failure of the connector, which is particularly prominent in the application of high-voltage connectors at the charging end. If the changes in the external environment cannot be effectively isolated, it may cause safety hazards during the charging process, and even lead to accidents. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a high-voltage connector, which solves the technical problems of high cost and low current-carrying capacity of the high-voltage connector in the prior art.

[0005] To achieve this purpose, the following technical solutions are adopted in the present application:

[0006] A high-voltage connector, comprising:

[0007] A plug-in assembly comprising a housing and a terminal structure, the terminal structure being arranged inside the housing;

[0008] A wire harness assembly comprising a flexible connection row, one end of the flexible connection row extending into the housing and being electrically connected to the terminal structure, the other end being fixedly connected to a hard rod, the hard rod comprising a flat portion and a cylindrical portion, the flat portion being arranged at opposite ends of the cylindrical portion;

[0009] The protection assembly comprises a shielding member, a sealing plate and a sealing line body, which are sequentially arranged at one end of the hard rod close to the connector assembly, and the shielding member, the sealing plate and the sealing line body are all sleeved on the cylindrical part, an insulating sleeve is arranged between the hard rod and the inner wall of the shell, and the outer diameter of the insulating sleeve matches the inner diameter of the shell.

[0010] Further, the connector assembly further comprises a mounting plate, the terminal structure comprises a socket terminal, and a plurality of socket holes are arranged on the mounting plate, one socket terminal is arranged in each socket hole, and one end of the socket terminal is provided with a circular groove.

[0011] Further, the connector assembly further comprises an insulating frame, the terminal structure comprises a plug terminal, the insulating frame comprises a plurality of insertion grooves, one plug terminal is arranged in each insertion groove, the inner wall of the insertion groove is provided with a plurality of protrusions, the outer wall of the plug terminal is provided with a first mounting groove corresponding to the protrusions, and the plug terminal is fixed in the insertion groove in a matched mode through the first mounting groove and the protrusions.

[0012] Further, the insulating frame abuts against the mounting plate, the plug terminal is in conductive connection with the socket terminal, one end of the plug terminal close to the socket terminal is provided with a circular through hole corresponding to the circular groove, and the first fastener passes through the circular through hole and matches with the circular groove on the mounting plate to fix the relative position between the plug terminal and the socket terminal.

[0013] The connector assembly further comprises a first fastener and a first sealing element, the first fastener passes through the circular through hole and matches with the circular groove on the mounting plate to fix the relative position between the plug terminal and the socket terminal, and the first sealing element is arranged at the connection position of the insulating frame and the mounting plate.

[0014] Further, the shell comprises a main body part and a containing cavity, the containing cavity is arranged on the side of the main body part and communicates with the containing cavity, the terminal structure is arranged in the main body part, and opposite sides of the main body part are provided with a plurality of second mounting grooves.

[0015] Further, the shell further comprises an upper cover assembly, the upper cover assembly comprises a cover plate, a second sealing element and a second fastener, a rectangular groove is arranged on one side of the cover plate close to the main body part, the second sealing element is arranged in the rectangular groove, edges of the cover plate are provided with a plurality of mounting holes corresponding to the second mounting grooves, the second fastener passes through the mounting holes and matches with the second mounting grooves of the main body part to fix the relative position between the upper cover assembly and the main body part, and the second sealing element is used for sealing the connection position between the shell and the upper cover assembly.

[0016] Further, the shell further comprises a tail cover, an end of the accommodating cavity away from the main body part is provided with a buckle, an inner wall of the tail cover is provided with a clamping groove corresponding to the buckle, the tail cover is fixed by the buckle and the clamping groove of the accommodating cavity to fix the relative position between the tail cover and the shell.

[0017] Further, the soft connection row comprises a convex part and a connecting part, both ends of the convex part extend to connect the connecting part, one end of the connecting part extends into the shell to conductively connect with the terminal structure, and the other end of the connecting part conductively connects with the flat part of the hard rod.

[0018] Further, the sealing body comprises a sealing sleeve made of rubber material, the sealing sleeve is sleeved on the cylindrical part of the hard rod, one end of the sealing sleeve abuts against the inner wall of the shell, and the other end of the sealing sleeve contacts the cylindrical part of the hard rod, wherein the inner diameter of the sealing sleeve is smaller than the outer diameter of the hard rod.

[0019] Further, the terminal structure further comprises a spring sheet, the spring sheet is arranged in the shell, one end of the spring sheet contacts the terminal structure, and the other end of the spring sheet contacts the inner wall of the shell, and the spring sheet is used to provide contact pressure between the terminal structure and the soft connection row.

[0020] Compared with the prior art, the application has the following beneficial effects:

[0021] By adopting the flat hard rod design, the overall weight of the high-voltage connector is effectively reduced, thereby reducing the energy consumption of the application occasions such as electric vehicles and improving the endurance of the vehicle. At the same time, the structure design of the flat part makes the connector have better heat dissipation performance, which helps to improve the current carrying capacity, thereby meeting the needs of high-power charging equipment. In addition, the combination of the soft connection row and the hard rod in the application not only ensures the flexibility and reliability of the connection, but also facilitates installation and maintenance. The protection assembly design in the application, including the shielding piece, the sealing plate and the sealing body, ensures the sealing performance and shielding performance of the connector in harsh environments, effectively prevents the influence of external environmental factors on the internal circuit, and improves the stability and safety of the connector.

[0022] In summary, the high-voltage connector provided by the application not only meets the requirements of modern power transmission and electric vehicle charging systems in performance, but also has significant advantages in cost, weight and safety, and has broad market application prospects. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.

[0024] The structures, proportions, sizes, etc. shown in the drawings of the present specification are only used to cooperate with the content disclosed in the present specification, to be understood and read by those skilled in the art, and are not used to limit the conditions that can be implemented by the present application, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects that can be produced by the present application and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the present application.

[0025] Figure 1 Fig. 1 is a schematic diagram of the overall explosion structure of a high-voltage connector;

[0026] Figure 2 Fig. 2 is a schematic diagram of the structure of an insulating frame and a plug terminal of a high-voltage connector;

[0027] Figure 3 Fig. 3 is a schematic diagram of the structure of a mounting plate and a socket terminal of a high-voltage connector;

[0028] Figure 4 Fig. 4 is a schematic diagram of the structure of an upper cover and a second sealing member of a high-voltage connector;

[0029] Figure 5 Fig. 5 is a schematic diagram of the structure of an embodiment of a partial structure of a high-voltage connector;

[0030] Figure 6 Fig. 6 is a schematic diagram of the overall cross-sectional structure of a high-voltage connector;

[0031] Figure 7 Fig. 7 is a schematic diagram of another embodiment of a partial structure of a high-voltage connector.

[0032] Illustration:

[0033] 11, housing; 111, main body part; 112, accommodating cavity; 113, cover plate; 114, tail cover; 12, terminal structure; 121, socket terminal; 1211, circular groove; 1212, circular through hole; 122, plug terminal; 1221, first mounting slot; 2, wire harness assembly; 21, flexible connecting row; 211, protruding part; 212, connecting part; 22, hard rod; 221, flat part; 222, cylindrical part; 3, protection assembly; 31, shielding member; 32, sealing plate; 33, wire sealing body; 34, insulating sleeve; 4, mounting plate; 5, insulating frame; 51, insertion slot; 511, protrusion; 61, first fastener; 62, first sealing member; 63, second sealing member; 64, second fastener. DETAILED DESCRIPTION

[0034] In order to make the objectives, characteristics and advantages of the present application more apparent and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without any creative work are within the scope of protection of the present application.

[0035] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a component disposed therebetween.

[0036] The technical solutions of the present application will be further described below with reference to the drawings and through specific embodiments.

[0037] Reference Figures 1 to 7In an embodiment, a high-voltage connector comprises: a plug-in assembly comprising a housing 11 and a terminal structure 12 arranged inside the housing 11; a wire harness assembly 2 comprising a flexible connecting row 21, one end of the flexible connecting row 21 being arranged inside the housing 11 and being electrically connected with the terminal structure 12, the other end of the flexible connecting row 21 being fixedly connected with a hard rod 22, the hard rod 22 comprising flat portions 221 and a cylindrical portion 222, the flat portions 221 being arranged at opposite ends of the cylindrical portion 222; and a protection assembly 3 comprising a shielding piece 31, a sealing plate 32 and a wire sealing body 33, the shielding piece 31, the sealing plate 32 and the wire sealing body 33 being arranged in sequence at one end of the hard rod 22 close to the plug-in assembly, and the shielding piece 31, the sealing plate 32 and the wire sealing body 33 being sleeved on the cylindrical portion 222, an insulating sleeve 34 being arranged between the hard rod 22 and an inner wall of the housing 11, an outer diameter of the insulating sleeve 34 matching an inner diameter of the housing 11.

[0038] In the above embodiment, the present embodiment applies a metal hard rod 22 with better mechanical strength and durability, the flat part 221 of the metal hard rod 22 is designed to make the connector have higher stability when bearing tension, thereby effectively preventing connection failure caused by excessive tension, the insulating sleeve 34 arranged between the cylindrical part 222 of the hard rod 22 and the inner wall of the shell 11 not only ensures the electrical insulation performance, but also reduces the friction between the hard rod 22 and the shell 11, prolongs the service life of the connector. The design of the flexible connection row 21 in the wire harness assembly 2 allows more flexibility and freedom during connection, so that the connector can effectively adapt to various movements in a dynamic environment without being prone to breakage or damage. At the same time, one end of the flexible connection row 21 is conductively connected with the terminal structure 12, ensuring smooth transmission of current and helping to achieve high current carrying capacity. The hard rod 22 is composed of a flat part 221 and a cylindrical part 222, which has a reasonable structure and can effectively disperse current load, the design of the flat part 221 not only provides good contact area and reduces contact resistance, but also can withstand large mechanical stress under high voltage, ensuring the long-term reliability of the connector. At the same time, the design of the cylindrical part 222 helps to enhance the overall structural strength of the connector, thereby improving the current carrying capacity without increasing the cost of materials. The arrangement of the protection assembly 3 effectively improves the safety and stability of the connector. The sequential arrangement of the shielding member 31, the sealing plate 32 and the wire sealing body 33 makes the connector able to resist external electromagnetic interference and environmental factors during operation, ensuring stable transmission of signals and ensuring that the connector can maintain good performance even in harsh working environment, further enhancing its current carrying capacity. The insulating sleeve 34 provides additional safety protection for the high-voltage connector, the outer diameter of the insulating sleeve 34 matches the inner diameter of the shell 11, ensuring the insulation performance of the connector in a high-voltage environment, reducing the risk of short circuit and electric shock, and improving the current carrying capacity, greatly enhancing the safety of the equipment during use and prolonging the service life.

[0039] The high-voltage connector of the present application effectively reduces the overall weight of the high-voltage connector by adopting a flattened hard rod 22 design, thereby reducing energy consumption in applications such as electric vehicles and improving the endurance of the vehicle. At the same time, the structural design of the flattened portion 221 makes the connector have better heat dissipation performance, which helps to improve the current carrying capacity, thereby meeting the needs of high-power charging equipment. In addition, the combination of the flexible connection row 21 and the hard rod 22 in the present application not only ensures the flexibility and reliability of the connection, but also facilitates installation and maintenance. The protection assembly 3 design in the present application, including the shielding member 31, the sealing plate 32 and the wire sealing body 33, ensures the sealing performance and shielding performance of the connector in harsh environments, effectively preventing the influence of external environmental factors on the internal circuit, thereby improving the stability and safety of the connector. In actual application, the high-voltage connector can be used in the fields of power systems, industrial equipment, automobile electronics, etc., which has good anti-interference ability and stable electrical performance, and can meet the strict requirements of the connector in high-voltage environment. Through the above structural design, the high-voltage connector of the present embodiment not only ensures the reliability of the connection, but also has the advantages of simple installation and convenient maintenance.

[0040] In one embodiment, the connector assembly further comprises a mounting plate 4, the terminal structure 12 comprises a socket terminal 121, and the mounting plate 4 is provided with a plurality of socket holes, one socket terminal 121 is installed in each socket hole, and one end of the socket terminal 121 is provided with a circular groove 1211.

[0041] In the present embodiment, the connector assembly further comprises a mounting plate 4, so that the installation of the high-voltage connector is more stable and convenient. The plurality of socket holes provided on the mounting plate 4 can ensure the accurate position of the socket terminal 121, thereby ensuring the accuracy and reliability of the connection, and one socket terminal 121 is installed in each socket hole, so that the high-voltage connector has better flexibility and expandability in actual application. The circular groove 1211 provided at one end of the socket terminal 121 not only increases the contact area of the socket terminal 121 with the wire and reduces the contact resistance, but also effectively prevents the wire from slipping off during installation, thereby improving the stability of the connection.

[0042] In one embodiment, the connector assembly further comprises an insulating frame 5, the terminal structure 12 comprises a plug terminal 122, the insulating frame 5 comprises a plurality of insertion slots 51, one plug terminal 122 is installed in each insertion slot 51, the inner wall of the insertion slot 51 is provided with a plurality of protrusions 511, the outer wall of the plug terminal 122 is provided with a first mounting groove 1221 corresponding to the protrusions 511, and the plug terminal 122 is fixed in the insertion slot 51 by cooperating with the protrusions 511 through the first mounting groove 1221.

[0043] In this embodiment, the connector assembly further includes an insulating frame 5, which further enhances the fixing effect of the terminal structure 12. The multiple insertion slots 51 on the insulating frame 5 provide precise positioning for the plug terminals 122, ensuring the stability and reliability of the connection. The multiple protrusions 511 arranged on the inner wall of each insertion slot 51 cooperate with the corresponding first mounting groove 1221 on the outer wall of the plug terminal 122, allowing the plug terminal 122 to be firmly fixed within the insertion slot 51. Even in a vibrating or impacting environment, the plug terminal 122 can maintain good contact performance and prevent loosening or falling off. In addition, the use of the insulating frame 5 also improves the overall insulation performance, ensuring the safe operation of the high-voltage connector in harsh environments. The insulating frame 5 is made of insulating material, which can effectively isolate the current and prevent short circuit and leakage phenomena, thereby further improving the performance and safety of the high-voltage connector. Through this structural design, the high-voltage connector of the present embodiment not only performs well in electrical performance, but also significantly improves the mechanical strength and durability, making it widely applicable in various industrial applications.

[0044] In one embodiment, the insulating frame 5 is in abutment with the mounting plate 4, the plug terminal 122 is in conductive connection with the socket terminal 121, and the end of the plug terminal 122 near the socket terminal 121 is provided with a circular through-hole 1212 corresponding to the circular recess 1211; the connector assembly further includes a first fastener 61 and a first sealing member 62, the first fastener 61 passes through the circular through-hole 1212 and cooperates with the circular recess 1211 on the mounting plate 4 to fix the relative position between the plug terminal 122 and the socket terminal 121, and the first sealing member 62 is arranged at the connection between the insulating frame 5 and the mounting plate 4.

[0045] In this embodiment, the insulating frame 5 is in abutment with the mounting plate 4, making the structure of the entire connector assembly more stable. The plug terminal 122 is in conductive connection with the socket terminal 121, achieving smooth transmission of current. The circular through-hole 1212 arranged on the end of the plug terminal 122 near the socket terminal 121 cooperates with the circular recess 1211, fixing the relative position between the plug terminal 122 and the socket terminal 121 and ensuring the stability and reliability of the connection. The first fastener 61 passes through the circular through-hole 1212 and cooperates with the circular recess 1211 on the mounting plate 4, further enhancing the fixing effect between the plug terminal 122 and the socket terminal 121 and preventing loosening or falling off in a vibrating or impacting environment. The first sealing member 62 is arranged at the connection between the insulating frame 5 and the mounting plate 4, effectively preventing the influence of external environmental factors on the internal circuit and ensuring the sealing and shielding performance of the connector in harsh environments, thereby improving the stability and safety of the connector.

[0046] In one embodiment, the housing 11 includes a main body portion 111 and a receiving cavity 112 disposed on a side of the main body portion 111 and in communication with the main body portion 111, and the terminal structure 12 is disposed within the main body portion 111. Opposite sides of the main body portion 111 are provided with a plurality of second mounting slots.

[0047] In this embodiment, the housing 11 includes a main body portion 111 and a receiving cavity 112 disposed on a side of the main body portion 111 and in communication with the main body portion 111. The terminal structure 12 is disposed within the main body portion 111, ensuring a compact layout and good electrical performance inside the connector. Opposite sides of the main body portion 111 are provided with a plurality of second mounting slots, which provide additional mounting options for the connector, allowing the high-voltage connector to adapt to a wider variety of installation environments and requirements. The design of the second mounting slots not only increases the flexibility of the connector's installation, but also helps to improve its adaptability and reliability in different application scenarios. In another embodiment, the main body portion 111 of the housing 11 is also designed with a plurality of ventilation holes, which help to further improve the heat dissipation efficiency and ensure the stability and reliability of the connector during long-term high-load operation.

[0048] In one embodiment, the housing 11 also includes an upper cover assembly, which includes a cover plate 113, a second sealing member 63, and a second fastener 64. The cover plate 113 is provided with a rectangular slot on one side near the main body portion 111, and the second sealing member 63 is disposed within the rectangular slot. The edge of the cover plate 113 is provided with a plurality of mounting holes corresponding to the second mounting slots, and the second fastener 64 passes through the mounting holes to cooperate with the second mounting slots of the main body portion 111 to fix the relative position between the upper cover assembly and the main body portion 111. The second sealing member 63 is used to seal the connection between the housing 11 and the upper cover assembly.

[0049] In this embodiment, the housing 11 also includes an upper cover assembly, which enhances the overall structural strength and sealing performance of the housing 11. The cover plate 113 is provided with a rectangular slot on one side near the main body portion 111, and the second sealing member 63 is embedded in the rectangular slot, ensuring the sealing effect between the housing 11 and the upper cover assembly, preventing the intrusion of external factors such as dust and moisture, thereby protecting the safety of the internal circuit. The edge of the cover plate 113 is provided with a plurality of mounting holes corresponding to the second mounting slots, and the second fastener 64 passes through the mounting holes to cooperate with the second mounting slots of the main body portion 111, so that the relative position between the cover plate 113 and the main body portion 111 is fixed, further enhancing the structural stability of the housing 11. Through this design, even in harsh external environments, the high-voltage connector can maintain good working condition, ensuring long-term stable operation of the connector.

[0050] In an embodiment, the shell 11 further comprises a tail cover 114, and the accommodating cavity 112 is provided with a buckle at one end away from the main body part 111, and the inner wall of the tail cover 114 is provided with a clamping groove corresponding to the buckle. The tail cover 114 is matched with the clamping groove of the accommodating cavity 112 through the buckle, so as to fix the relative position between the tail cover 114 and the shell 11.

[0051] In the embodiment, the shell 11 further comprises a tail cover 114, and the tail cover 114 is provided to further enhance the sealing and protection functions of the shell 11. The accommodating cavity 112 is provided with a buckle at one end away from the main body part 111, and the inner wall of the tail cover 114 is provided with a clamping groove corresponding to the buckle. The tail cover 114 is matched with the clamping groove of the accommodating cavity 112 through the buckle, so as to fix the relative position between the tail cover 114 and the shell 11.

[0052] In an embodiment, the flexible connecting row 21 comprises a convex 511 part 211 and a connecting part 212, and the two ends of the convex 511 part 211 are connected to the connecting part 212. One end of the connecting part 212 extends into the shell 11 and is electrically connected to the terminal structure 12, and the other end of the connecting part 212 is electrically connected to the flat part 221 of the hard rod 22.

[0053] In the embodiment, the flexible connecting row 21 comprises a convex 511 part 211 and a connecting part 212, so that the flexible connecting row 21 has a certain flexibility and bendability, thereby adapting to the needs of different installation spaces. The convex 511 part 211 has a structure of high in the middle and low on both sides, so that the flexible connecting row 21 can better fit the shape inside the shell 11 during installation, thereby improving the overall installation stability and electrical contact reliability, and ensuring the continuity and stability of current transmission. One end of the connecting part 212 extends into the shell 11 and is electrically connected to the terminal structure 12, thereby ensuring accurate transmission of signals. The other end of the connecting part 212 is electrically connected to the flat part 221 of the hard rod 22, so that the current can be smoothly transmitted from the flexible connecting row 21 to the hard rod 22, and then connected to other circuits or devices. This soft and hard combined design not only improves the adaptability of the connector, but also to some extent reduces the risk of damage caused by mechanical stress, thereby enhancing the durability and reliability of the connector.

[0054] In an embodiment, the sealing body 33 comprises a sealing sleeve made of rubber material, which is sleeved on the cylindrical portion 222 of the hard rod 22, and one end of the sealing sleeve is in abutment with the inner wall of the shell 11, and the other end is in contact with the cylindrical portion 222 of the hard rod 22, wherein the inner diameter of the sealing sleeve is smaller than the outer diameter of the hard rod 22.

[0055] In the present embodiment, the sealing body 33 comprises a sealing sleeve made of rubber material, which is sleeved on the cylindrical portion 222 of the hard rod 22, ensuring a tight fit between the hard rod 22 and the sealing sleeve. One end of the sealing sleeve is in abutment with the inner wall of the shell 11, and the other end is in contact with the cylindrical portion 222 of the hard rod 22, which effectively prevents the erosion of the hard rod 22 by external environmental factors such as dust, water vapor, etc., thereby protecting the conductive performance of the hard rod 22. The inner diameter of the sealing sleeve is smaller than the outer diameter of the hard rod 22, and this difference in size causes the sealing sleeve to generate a certain pre-pressure during the sleeving process, further enhancing the sealing effect between the sealing sleeve and the hard rod 22, ensuring the sealing and shielding performance of the connector in harsh environments. In addition, the selection of rubber material also endows the sealing sleeve with good elasticity and durability, allowing it to maintain good sealing effect during long-term use, thereby improving the overall stability and safety of the connector.

[0056] In an embodiment, the terminal structure 12 further comprises a spring sheet, which is arranged inside the shell 11, one end of the spring sheet is in contact with the terminal structure 12, and the other end is in contact with the inner wall of the shell 11, and the spring sheet is used to provide the contact pressure between the terminal structure 12 and the flexible connection row 21.

[0057] In the present embodiment, the terminal structure 12 further comprises a spring sheet, which is located inside the shell 11, one end of the spring sheet is in contact with the terminal structure 12, and the other end is in contact with the inner wall of the shell 11. The function of the spring sheet is to provide the necessary pressure for the contact between the terminal structure 12 and the flexible connection row 21, ensuring the stability and reliability of the connection. Due to the presence of the spring sheet, even in a vibrating or impacting environment, the contact between the terminal structure 12 and the flexible connection row 21 will not easily loosen, thereby ensuring the continuity and stability of current transmission. In addition, the design of the spring sheet also allows for a certain degree of displacement compensation, adapting to small size changes under different installation conditions, further improving the adaptability and durability of the connector.

[0058] In another embodiment, a position detection structure is further included for detecting whether the terminal structure 12 is correctly inserted into the flexible connection strip 21. The position detection structure includes at least one detection contact disposed on an inner wall of the housing 11 corresponding to the terminal structure 12. When the terminal structure 12 is correctly inserted into the flexible connection strip 21, the terminal structure 12 will push the detection contact, thereby triggering a position detection signal. The position detection signal can be used to indicate the connection status, ensuring the correctness and safety of the connection. Through this detection mechanism, electrical failure caused by improper connection can be effectively avoided, and the stability and reliability of the entire system can be improved.

[0059] The above-described embodiments are merely used to illustrate the technical solutions of the present application, but not limit the present application; even though the present application has been described in detail with reference to the foregoing embodiments, those ordinarily skilled in the art should understand: the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features thereof can be replaced equivalently; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high voltage connector, characterized by The utility model relates to a connector assembly, which comprises a housing (11) and a terminal structure (12) arranged inside the housing (11); a wire harness assembly (2) comprising a flexible connecting strip (21) with one end electrically connected to the terminal structure (12) inside the housing (11) and the other end fixedly connected to a hard rod (220) comprising a flat portion (221) and a cylindrical portion (222) with the flat portion (221) arranged at opposite ends of the cylindrical portion (222); and a protection assembly (3) comprising a shielding member (31), a sealing plate (32) and a wire sealing body (33) arranged in sequence at one end of the hard rod (220) close to the connector assembly, and the shielding member (31), the sealing plate (32) and the wire sealing body (33) are all sleeved on the cylindrical portion (222), and an insulating sleeve (34) is arranged between the hard rod (220) and the inner wall of the housing (11) with the outer diameter of the insulating sleeve (34) matching the inner diameter of the housing (11). The connector assembly further comprises a mounting plate (4), the terminal structure (12) comprises a socket terminal (121), and the mounting plate (4) is provided with a plurality of socket holes, each of which is arranged with one socket terminal (121), and one end of the socket terminal (121) is provided with a circular groove (1211). The connector assembly further comprises an insulating frame (5), the terminal structure (12) comprises a plug terminal (122), the insulating frame (5) comprises a plurality of insertion grooves (51), each of which is arranged with one plug terminal (122), the inner wall of the insertion groove (51) is provided with a plurality of protrusions (511), the outer wall of the plug terminal (122) is provided with a first mounting groove (1221) corresponding to the protrusions (511), and the plug terminal (122) is fixed in the insertion groove (51) by cooperation of the first mounting groove (1221) and the protrusions (511). The insulating frame (5) is in abutment with the mounting plate (4), the plug terminal (122) is electrically connected to the socket terminal (121), and one end of the plug terminal (122) close to the socket terminal (121) is provided with a circular through hole (1212) corresponding to the circular groove (1211).

2. The high voltage connector of claim 1, wherein, The connector assembly further comprises a first fastener (61) and a first sealing member (62), the first fastener (61) passes through the circular through hole (1212) and cooperates with the circular groove (1211) on the mounting plate (4) to fix the relative position between the plug terminal (122) and the socket terminal (121), and the first sealing member (62) is arranged at the connection between the insulating frame (5) and the mounting plate (4).

3. The high voltage connector of claim 2, wherein, ​ 4. The high voltage connector of claim 3, wherein, ​ ​ 5. The high voltage connector of claim 1, wherein, The shell (11) comprises a main body part (111) and a containing cavity (112) arranged at a side of the main body part (111) and in communication with the containing cavity (112), and the terminal structure (12) is arranged in the main body part (111), and opposite sides of the main body part (111) are provided with a plurality of second mounting grooves.

6. The high voltage connector of claim 5, wherein, The shell (11) further comprises an upper cover assembly comprising a cover plate (113), a second sealing member (63) and a second fastener (64), the cover plate (113) is provided with a rectangular groove near a side of the main body part (111), the second sealing member (63) is arranged in the rectangular groove, edges of the cover plate (113) are provided with a plurality of mounting holes corresponding to the second mounting grooves, the second fastener (64) passes through the mounting holes and cooperates with the second mounting grooves of the main body part (111) to fix the relative position between the upper cover assembly and the main body part (111), and the second sealing member (63) is used for sealing the connection between the shell (11) and the upper cover assembly.

7. The high voltage connector of claim 5, wherein, The shell (11) further comprises a tail cover (114), an end of the containing cavity (112) away from the main body part (111) is provided with a buckle, an inner wall of the tail cover (114) is provided with a clamping groove corresponding to the buckle, and the tail cover (114) is fixed by cooperation of the buckle and the clamping groove of the containing cavity (112) to fix the relative position between the tail cover (114) and the shell (11).

8. The high voltage connector of claim 1, wherein, The soft connection row (21) comprises a convex part (211) and a connecting part (212), both ends of the convex part (211) extend to connect the connecting part (212), one end of the connecting part (212) extends into the shell (11) to conductively connect with the terminal structure (12), and the other end of the connecting part (212) is conductively connected with the flat part (221) of the hard rod (220).

9. The high voltage connector of claim 1, wherein, The wire sealing body (33) comprises a wire sealing sleeve made of rubber material, the wire sealing sleeve is sleeved on the cylindrical part (222) of the hard rod (220), one end of the wire sealing sleeve abuts against the inner wall of the shell (11), and the other end of the wire sealing sleeve is in contact with the cylindrical part (222) of the hard rod (220), wherein the inner diameter of the wire sealing sleeve is smaller than the outer diameter of the hard rod (220).

10. The high voltage connector of claim 8, wherein, The terminal structure (12) further comprises a spring sheet, the spring sheet is arranged in the shell (11), one end of the spring sheet is in contact with the terminal structure (12), and the other end of the spring sheet is in contact with the inner wall of the shell (11), and the spring sheet is used for providing contact pressure between the terminal structure (12) and the soft connection row (21).

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