High-voltage connector terminal assembly

By designing high-voltage connector terminal components, the conductive sheet and shrapnel contact finger structure are used to transmit current, and the yield is prevented through limit and platen structures, the existing high-voltage connectors have been solved, and the efficiency of existing high-voltage connectors is reduced and the current carrying capacity is poor under large current environments, achieving higher current carrying capacity and more stable contact quality.

CN222826662UActive Publication Date: 2025-05-02昆山沪光汽车电器股份有限公司 +1
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Patent Information

Application Number
CN202420459823.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-11
Publication Date
2025-05-02
Estimated Expiration
2034-03-11

AI Technical Summary

Technical Problem

In the high-voltage connector, existing high-voltage connectors tend to increase temperature and increase resistance of the plug-in part, affecting charging efficiency. After long-term use, the plug-in part may physically yield, resulting in poor current carrying capacity.

Method used

A high voltage connector terminal assembly is designed, including conductive sheet 1, conductive sheet 2, limiting parts and pressing sheets. The conductive sheet 1 and the conductive sheet 2 transmit current through the shrapnel contact finger and the elastic arm structure, and the limiting member limits the downward pressure distance of the shrapnel contact finger. The pressure plate gives the conductive sheet 2 pressure in the opposite direction to ensure that good contact can be maintained under high temperature environments.

Benefits of technology

The current carrying capacity of the connector is improved, the impact of temperature increase on charging efficiency in a large current working environment is reduced, and the physical yield of the plug-in is prevented through the limit and tablet structure, ensuring the contact quality under long-term use.

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Abstract

The utility model provides a high-voltage connector terminal assembly, which comprises a conducting strip I, a conducting strip II, a limiting piece and a pressing piece, when a terminal male pin is inserted between an elastic arm of the conducting strip II and an elastic piece contact finger of the conducting strip I, the conducting strip I and the conducting strip II can transmit current, and the conducting strip II and a terminal body bear the current together, so that compared with other terminal types, the high-voltage connector terminal assembly is more convenient to use. The current bearing capacity is higher; the pressing distance of the elastic sheet contact finger by the terminal male pin is limited through the limiting piece, so that the elastic sheet contact finger deforms in a certain range after being extruded but does not yield; through the pressing sheet and the pressure applied to the second conducting strip relative to the direction and the opposite direction of the pressure applied to the second conducting strip by the terminal male pin, the elastic arm still has good pressure to the male pin under long-time high-temperature use, and good contact of the contact surface is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a high-voltage connector terminal assembly. Background Art

[0002] The terminals (sockets) of existing connectors generally include a plug-in part and a body; when in use, the external male pin and the plug-in part mate with each other to achieve electrical connection; a high current working environment can easily cause the temperature to rise, and the resistance of the plug-in part to increase, thereby affecting the charging efficiency. When the connector is used for a long time, the plug-in part will physically yield, causing the current-carrying capacity of the connector to deteriorate. Utility Model Content

[0003] Therefore, the technical problem to be solved by the utility model is that when the high-voltage platform connector in the existing technology is used, the external male pin and the plug-in part match each other to achieve electrical connection. In a high-current working environment, it is easy to cause the temperature to rise, and the resistance of the plug-in part to increase, thereby affecting the charging efficiency. When the connector is used for a long time, the plug-in part physically yields, causing the current-carrying capacity of the connector to deteriorate.

[0004] To this end, the utility model provides a high-voltage connector terminal assembly, including a terminal body and also including:

[0005] A conductive sheet 1 is connected to the terminal body, and a spring contact finger is arranged on a side of the conductive sheet 1 away from the terminal body;

[0006] Conductive sheet 2, the conductive sheet 2 comprising a conductive sheet 2 elastic arm and a conductive sheet 2 fixed portion, the conductive sheet 2 elastic arm and the conductive sheet 2 fixed portion are fixedly connected, the conductive sheet 2 fixed portion is connected to the terminal body, the conductive sheet 2 elastic arm is located on the side of the conductive sheet 1 provided with an elastic sheet contact finger, and a space for the terminal male pin to be inserted is reserved between the conductive sheet 2 elastic arm and the elastic sheet contact finger;

[0007] The limiting member is arranged between the first conductive sheet and the terminal body, and is used to limit the downward pressing distance of the spring sheet contact finger when the terminal male pin is inserted between the second spring arm of the conductive sheet and the spring sheet contact finger;

[0008] The pressure piece is arranged on the side of the conductive sheet 2 away from the terminal body and connected to the terminal body. When the terminal male pin is inserted between the elastic arm of the conductive sheet 2 and the elastic sheet contact finger, it applies pressure to the conductive sheet 2 in the opposite direction relative to the pressure direction applied to the conductive sheet 2 by the terminal male pin.

[0009] Optionally, the limiting member comprises:

[0010] A limiting protrusion is arranged on the terminal body;

[0011] The avoidance hole is formed on the conductive sheet;

[0012] The avoidance hole and the spring contact finger are staggered;

[0013] The limiting protrusion passes through the conductive sheet 1 via the avoidance hole.

[0014] Optionally, the pressing sheet includes a pressing sheet fixing portion and a pressing sheet spring arm; the pressing sheet fixing portion and the pressing sheet spring arm are fixedly connected; the pressing sheet fixing portion is connected to the terminal body; the pressing sheet spring arm is located on the side of the conductive sheet second spring arm away from the terminal body.

[0015] Optionally, a nut mounting hole is provided on the terminal body.

[0016] Optionally, the conductive sheet 1 is fixed to the terminal body by riveting.

[0017] Optionally, the second conductive sheet is fixed to the pressing sheet and the terminal body by rivets.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] 1. The utility model provides a high-voltage connector terminal assembly including a conductive sheet 1, a conductive sheet 2, a limit piece, and a pressing sheet. When the male pin of the terminal is inserted between the elastic arm of the conductive sheet 2 and the elastic contact finger of the conductive sheet 1, both the conductive sheet 1 and the conductive sheet 2 can transmit current, and the conductive sheet 2 and the terminal body carry the current together. Compared with other terminal types, it has a higher current carrying capacity.

[0020] 2. The utility model provides a high-voltage connector terminal assembly. When the terminal male pin is inserted between the elastic arm of the conductive sheet two and the elastic contact finger of the conductive sheet one, the limiter is used to limit the distance that the elastic contact finger is pressed down by the terminal male pin, so that the elastic contact finger will deform within a certain range after being squeezed but will not yield. Through the pressing sheet, the conductive sheet two is given a pressure in the opposite direction relative to the pressure direction given to the conductive sheet two by the terminal male pin, so that the elastic arm can still exert a good pressure on the male pin under long-term high-temperature use, thereby ensuring good contact of the contact surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the overall structure of a high-voltage connector terminal assembly provided by an embodiment of the utility model;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure of the terminal body;

[0024] Figure 3 for Figure 1 A schematic diagram of the structure of the conductive sheet 1;

[0025] Figure 4 for Figure 1 A schematic diagram of the structure of the conductive sheet 2;

[0026] Figure 5 for Figure 1 Schematic diagram of the structure of the medium-pressure tablet;

[0027] Figure 6 It is a schematic diagram of the plugging of the terminal male pin and the high voltage connector terminal assembly;

[0028] Description of reference numerals:

[0029] 1. Terminal body; 101. Limiting protrusion; 102. Rivet column; 103. Rivet hole; 104. Nut mounting hole; 2. Conductive sheet 1; 201. Conductive sheet 1 rivet hole; 202. Spring finger contact; 203. Avoidance hole; 3. Conductive sheet 2; 301. Conductive sheet 2 spring arm; 302. Conductive sheet 2 rivet hole; 303. Conductive sheet 2 fixing part; 4. Pressing sheet; 401. Pressing sheet spring arm; 402. Pressing sheet rivet hole; 403. Pressing sheet fixing part; 5. Rivet; 6. Riveting nut; 7. Terminal male pin. DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other. Example

[0032] Figure 1 FIG. 1 is a schematic structural view of a high voltage connector terminal assembly provided in this embodiment. Figure 1 As shown, the high-voltage connector terminal assembly includes a terminal body 1, and also includes: a conductive sheet 1 2, connected to the terminal body 1, and the conductive sheet 1 2 is provided with a spring contact finger 202 on the side away from the terminal body 1; a conductive sheet 2 3, the conductive sheet 2 3 includes a conductive sheet 2 3 elastic arm and a conductive sheet 2 fixed portion 303, the conductive sheet 2 elastic arm 301 and the conductive sheet 2 fixed portion 303 are fixedly connected, the conductive sheet 2 fixed portion 303 is connected to the terminal body 1, the conductive sheet 2 elastic arm 301 is located on the side of the conductive sheet 1 2 provided with the spring contact finger 202, and the conductive sheet 2 elastic arm 301 is connected to the spring contact finger 20 2, there is a space for the terminal male pin 7 to be inserted, for example, the conductive sheet 2 3 is set to have a zigzag cross-section; a limiter is set between the conductive sheet 1 2 and the terminal body 1, and is used to limit the downward pressure distance of the spring contact finger 202 when the terminal male pin 7 is inserted between the elastic arm and the spring contact finger 202; a pressing sheet 4 is set on the side of the conductive sheet 2 3 away from the terminal body 1 and connected to the terminal body 1, and is used to give the conductive sheet 2 3 a pressure in the opposite direction relative to the pressure direction given to the conductive sheet 2 3 by the terminal male pin 7 when the terminal male pin 7 is inserted between the conductive sheet 2 elastic arm 301 and the spring contact finger 202.

[0033] When the terminal male pin 7 is inserted between the second elastic arm 301 of the conductive sheet and the elastic contact finger 202 of the conductive sheet 1, both the conductive sheet 1 and the conductive sheet 2 can transmit current, and the conductive sheet 2 3 and the terminal body 1 carry the current together, which has a higher current carrying capacity than other terminal types, and reduces the influence of temperature rise on the charging efficiency under high current working environment; the elastic contact finger 202 is pressed down by the terminal male pin 7 by the limiting member to limit the distance, so that the elastic contact finger 202 is squeezed and deformed to a certain extent but does not yield; the conductive sheet 2 3 is given a pressure relative to the terminal male pin by the pressing piece 4. 7 gives pressure in the opposite direction to the pressure on the conductive sheet 2 3, so that the spring arm can still have good pressure on the male needle under long-term high-temperature use, ensuring good contact of the contact surface; the terminal body 1 can be a copper rectangular parallelepiped, on which a rivet column 102 and a rivet hole 103 can be arranged, and the conductive sheet 1 2 can be a thin sheet, on which a conductive sheet 1 rivet hole 201 can be arranged, and then cooperate with the rivet column 102 on the terminal body 1 and be fixed by riveting; the spring contact finger on the surface of the conductive sheet 1 2 can be a cantilever beam; the conductive sheet 2 rivet hole 303 can be arranged on the conductive sheet 2 3, and then it can be riveted to the terminal body 1.

[0034] In this embodiment, if Figure 2 As shown, the limiting member includes: a limiting protrusion 101, which is arranged on the terminal body 1; an avoidance hole 203, which is opened on the conductive sheet 2; the avoidance hole 203 and the spring contact finger 202 are staggered; the limiting protrusion 101 passes through the conductive sheet 2 through the avoidance hole 203.

[0035] When the terminal body 1 and the conductive sheet 2 are connected, the limiting protrusion 101 passes through the avoidance hole 203 and protrudes a certain height of the conductive sheet 2. Then, after the terminal male pin 7 is inserted, the lower surface of the terminal male pin 7 contacts the spring contact finger 202 of the conductive sheet 2, and the upper surface of the terminal male pin 7 contacts the second spring arm 301 of the conductive sheet. After the lower contact surface of the terminal male pin 7 contacts the spring contact finger 202 of the conductive sheet 2 and causes a certain deformation, it will touch the limiting protrusion 101. Due to the action of the limiting protrusion 101, the lower contact surface of the needle can no longer continue to press down the spring contact finger 202, so that the spring contact finger 202 can be deformed within a certain range without yielding.

[0036] In this embodiment, if Figure 5 As shown, the pressing sheet 4 includes a pressing sheet fixing portion 403 and a pressing sheet elastic arm 401; the pressing sheet fixing portion 403 and the pressing sheet elastic arm 401 are fixedly connected; the pressing sheet fixing portion 403 is connected to the terminal body 1; the pressing sheet elastic arm 401 is located on the side of the conductive sheet second elastic arm 301 away from the terminal body 1.

[0037] like Figure 6 As shown, when the upper contact surface of the terminal male pin 7 applies upward pressure to the second elastic arm 301 of the conductive sheet, the pressing sheet elastic arm 401 will apply force in the opposite direction, so that the elastic arm will still have a good pressure on the terminal male pin 7 under long-term high-temperature use, ensuring good contact of the contact surface, making the current transmission more stable and reliable; the conductive sheet 2 3 and the pressing sheet 4 can both be set to have a zigzag cross-section, and rivet holes 103 can be set on the conductive sheet 2 fixing part 303 and the pressing sheet fixing part 403, which cooperate with the terminal body 1, are arranged in an overlapping manner, and are fixed by rivets; when the conductive sheet 2 elastic arm 301 moves upward, the pressing sheet elastic arm 401 will apply force in the opposite direction; a pressing sheet rivet hole 402 can be set on the pressing sheet 4, and then it is riveted to the terminal body 1.

[0038] In this embodiment, a nut mounting hole 104 is formed on the terminal body 1 .

[0039] A rivet nut 6 may be installed in the nut installation hole 104 to connect to an external device end.

[0040] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A high voltage connector terminal assembly, comprising: The terminal body (1) is characterized by further comprising: A conductive sheet (2) connected to the terminal body (1), wherein a spring contact finger (202) is provided on a side of the conductive sheet (2) away from the terminal body (1); Conductive sheet 2 (3), the conductive sheet 2 (3) comprising a conductive sheet 2 elastic arm (301) and a conductive sheet 2 fixed portion (303), the conductive sheet 2 elastic arm (301) and the conductive sheet 2 fixed portion (303) being fixedly connected, the conductive sheet 2 fixed portion (303) being connected to the terminal body (1), the conductive sheet 2 elastic arm (301) being located on a side of the conductive sheet 1 (2) provided with an elastic sheet contact finger (202), and a space for inserting a terminal male pin (7) being reserved between the conductive sheet 2 elastic arm (301) and the elastic sheet contact finger (202); A limiter, arranged between the first conductive sheet (2) and the terminal body (1), and used to limit the downward pressing distance of the spring sheet contact finger (202) when the terminal male pin (7) is inserted between the second spring arm (301) of the conductive sheet and the spring sheet contact finger (202); The pressing sheet (4) is arranged on a side of the conductive sheet 2 (3) away from the terminal body (1) and connected to the terminal body (1), and is used to apply pressure to the conductive sheet 2 (3) in the opposite direction to the pressure applied to the conductive sheet 2 (3) by the terminal male pin (7) when the terminal male pin (7) is inserted between the conductive sheet 2 elastic arm (301) and the elastic sheet contact finger (202).

2. A high voltage connector terminal assembly according to claim 1, characterized in that: The limiting member comprises: A limiting protrusion (101) is arranged on the terminal body (1); An avoidance hole (203) is formed on the conductive sheet 1 (2); The avoidance hole (203) and the spring contact finger (202) are arranged in a staggered manner; The limiting protrusion (101) passes through the conductive sheet 1 (2) via the avoidance hole (203).

3. A high voltage connector terminal assembly according to claim 1, characterized in that: The pressing sheet (4) comprises a pressing sheet fixing portion (403) and a pressing sheet elastic arm (401); the pressing sheet fixing portion (403) and the pressing sheet elastic arm (401) are fixedly connected; the pressing sheet fixing portion (403) is connected to the terminal body (1); and the pressing sheet elastic arm (401) is located on a side of the conductive sheet second elastic arm (301) away from the terminal body (1).

4. A high voltage connector terminal assembly according to claim 1, characterized in that: The terminal body (1) is provided with a nut mounting hole (104).

5. A high voltage connector terminal assembly according to claim 1, characterized in that: The conductive sheet 1 (2) and the terminal body (1) are fixed by riveting.

6. A high voltage connector terminal assembly according to claim 1, characterized in that: The second conductive sheet (3), the pressing sheet (4) and the terminal body (1) are fixed by rivets.