Plugging-resistant automobile connector terminal structure
By designing the compression spring block and spring structure, the problem of unstable plug-in and unplugging of automobile connector terminals is solved, and the plug-in and unplugging effect with good stability and long life is achieved, which enhances the stability of current transmission.
Patent Information
- Application Number
- CN202422475372.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The terminal structure of existing automotive connectors is complex, unstable in plugging and unstable, and it is easy to loosen and fall off after long-term use, resulting in unstable electrical signal transmission and short service life.
A terminal structure of an automobile connector including a compression spring block, a clamping spring and a terminal body is designed. The compression spring block is in contact with the clamping spring, and a compressed line position is formed between the clamping spring and the terminal body. The compression spring block can be opened or closed. The plug interface is designed to be horn-shaped to increase the friction force and contact area of the plug-in wiring.
It improves the stability and service life of plugging and unplugging, prevents the plug-in wiring from loosening and falling off, increases the stability and contact area of current transmission, and extends the service life.
Smart Images

Figure CN223297070U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of terminals, in particular to a plug-and-pull resistant automobile connector terminal structure. Background Art
[0002] Connectors are a component that electronic engineers often interact with. Their function is quite simple: to bridge blocked or isolated circuits within a circuit, thereby enabling the flow of current and enabling the circuit to perform its intended function. Connectors are an indispensable component in electronic devices. Following the path of current flow, you will always find one or more connectors. Connector forms and structures vary greatly, with various types depending on the application, frequency, power, and environment. For example, the connector used for stadium lighting, the connector for hard drives, and the connector used to ignite rockets are very different. However, regardless of the connector type, it must ensure smooth, continuous, and reliable current flow.
[0003] Automotive connectors are one of many types of connectors, and terminals are a crucial component. Currently, existing automotive connector terminal structures are complex, resulting in poor connection stability. Furthermore, prolonged plugging and unplugging can easily loosen and dislodge the plug wires, leading to poor stability in electrical signal transmission and a shortened service life. Therefore, the inventors have designed a plug-and-unplug-resistant automotive connector terminal structure. Utility Model Content
[0004] The purpose of the utility model is to provide a plug-and-pull resistant automotive connector terminal structure, which has the advantages of simple structure, reasonable design, good plug-and-pull stability, long service life, the plug wire is not easy to loosen and fall off, the effective contact area between the retaining spring and the plug wire is large, and the current transmission stability is good, thereby solving the problems raised by the above technical background.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a plug-and-pull resistant automotive connector terminal structure, the automotive connector terminal includes a compression spring block, a clamping spring and a terminal body, wherein the terminal body includes a base plate and a fixing plate and a wire pressing plate integrally formed on both sides of the base plate, the base plate is connected to the fixing plate and the wire pressing plate in a U shape, the terminal body also includes a main terminal pin integrally formed with the base plate and a secondary terminal pin formed on the main terminal pin, a wire plug-in cavity is formed between the main terminal pin and the secondary terminal pin, the wire plug-in cavity is formed with an insertion interface at one end away from the base plate, a fixing column for fixing the clamping spring is provided on the fixing plate, and a wire pressing groove is provided on the wire pressing plate, one end of the clamping spring is fixedly connected to the terminal body, and a wire pressing position is formed between the other end and the terminal body, the compression spring block is in contact with the clamping spring, and the wire pressing position can be opened or closed when the compression spring block is pressed.
[0006] Preferably, the compression spring block is made of insulating plastic material.
[0007] Preferably, the clamping spring is V-shaped, and is provided with a fixing through hole adapted to the fixing column, and the inner diameter of the fixing through hole is smaller than the outer diameter of the fixing column.
[0008] Preferably, the terminal body is made of conductive material.
[0009] Preferably, the plug-in port is communicated with the wire plug-in cavity, and the plug-in port is gradually tightened from the outside to the inside to form a trumpet shape.
[0010] Preferably, the pressing line position is located at the pressing line line.
[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0012] 1. The utility model provides a plug-resistant automotive connector terminal structure, which includes a compression spring block, a retaining spring and a terminal body. The overall structure is simple and the design is reasonable. The terminal body includes a base plate and a fixing plate and a wire pressing plate integrally formed on both sides of the base plate. The terminal body also includes a main terminal pin integrally formed with the base plate and a secondary terminal pin formed on the main terminal pin. By arranging a wire pressing groove on the wire pressing plate, the wire pressing groove can be used to increase the friction of the wire when the plug wire is inserted to compress the wire, which can effectively prevent the plug wire from falling off. At the same time, the wire pressing groove can also increase the contact area between the plug wire and the terminal, which is beneficial to the transmission of electrical signals, extends the service life, and is highly practical.
[0013] 2. A wire plug-in cavity is formed between the main terminal pin and the auxiliary terminal pin in the present invention. A plug-in interface is formed at one end of the wire plug-in cavity away from the bottom plate. The plug-in interface is connected to the wire plug-in cavity, and the plug-in interface gradually tightens from the outside to the inside into a trumpet shape. This design facilitates the insertion of the plug-in wire into the wire plug-in cavity. At the same time, when the plug-in wire is inserted, the plug-in interface naturally opens and tightens, which can achieve the purpose of resistance to plugging and unplugging. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the overall structural diagram of the utility model;
[0015] Figure 2 It is an exploded view of the utility model;
[0016] Figure 3 This is a structural diagram of the terminal body of the present utility model.
[0017] The reference numerals and names in the figures are as follows:
[0018] 1. Compression spring block; 2. Circlip; 3. Terminal body; 31. Bottom plate; 32. Fixing plate; 33. Wire pressing plate; 34. Main terminal pin; 35. Auxiliary terminal pin; 36. Wire plug-in cavity; 37. Plug-in interface; 38. Fixing column; 39. Wire pressing groove; 310. Fixing through hole; 4. Wire pressing position. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0021] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.
[0022] See also Figure 1 and Figure 2The utility model provides an embodiment: a plug-resistant automobile connector terminal structure, which includes a compression spring block 1, a clamping spring 2 and a terminal body 3. One end of the clamping spring 2 is fixedly connected to the terminal body 3, and a wire pressing position 4 is formed between the other end and the terminal body 3. The wire pressing position 4 is mainly used for crimping power plug wires. The compression spring block 1 is in contact with the clamping spring 2, and the wire pressing position 4 can be opened or closed when the compression spring block 1 is pressed.
[0023] Specifically, the compression spring block 1 is made of insulating plastic material, and the terminal body 3 is made of conductive material. In this embodiment, the compression spring block 1 is preferably made of insulating PP material, and the terminal body 3 is made of brass material with good conductive effect.
[0024] See also Figures 1 to 3 The terminal body 3 in the figure includes a bottom plate 31 and a fixing plate 32 and a wire pressing plate 33 integrally formed on both sides of the bottom plate 31. The bottom plate 31 is connected to the fixing plate 32 and the wire pressing plate 33 in a U shape. The terminal body 3 also includes a main terminal pin 34 integrally formed with the bottom plate 31 and an auxiliary terminal pin 35 formed on the main terminal pin 34. A wire insertion cavity 36 is formed between the main terminal pin 34 and the auxiliary terminal pin 35. The wire insertion cavity 36 is formed with an insertion port 37 at one end away from the bottom plate 31. The plug-in port 37 is connected to the wire plug-in cavity 36, and the plug-in port 37 gradually tightens from the outside to the inside into a trumpet shape. This design facilitates the plug-in of the plug-in wire. The fixing plate 32 is provided with a fixing column 38 for fixing the retaining spring 2, and the wire pressing plate 33 is provided with a wire pressing groove 39. The use of the wire pressing groove 39 can increase the contact area between the plug-in wire and the terminal body 3, improve the conductivity, and at the same time improve the stability of the plug-in and unplugging of the plug-in wire, extend its service life, and at the same time, the plug-in wire is not easy to loosen and fall off, achieving the effect of plug-in resistance.
[0025] Specifically, the retaining spring 2 is V-shaped, and is provided with a fixing through hole 310 adapted to the fixing column 38. The inner diameter of the fixing through hole 310 is smaller than the outer diameter of the fixing column 38. During assembly, the fixing column 38 is riveted into the fixing through hole 310.
[0026] Specifically, the pressing position 4 is located at the pressing line 39 .
[0027] Please refer again Figures 1 to 3When the clamping spring 2 is in the fixed position, the clamping spring 2 is fixed to the fixed hole 310, and the clamping spring 2 is fixed to the fixed hole 310, so that the clamping spring 2 and the terminal body 3 are assembled. The clamping spring 2 is away from the fixed hole 310 and the terminal body 3 at the pressing line groove 39 forms a pressing line position 4. Then the terminal body 3 equipped with the clamping spring 2 is assembled in the plastic shell (not shown in the figure). After that, the compression spring block 1 is also pressed in the plastic shell so that the compression spring block 1 and the clamping spring 2 are in contact and connected. When the compression spring block 1 is pressed hard, the pressing line position 4 can be opened, which is convenient for inserting the plug wire (not shown in the figure). At the same time, the plug interface 37 is designed to be a trumpet shape that gradually tightens from the outside to the inside, which also facilitates the insertion of the plug wire into the wire plug cavity 36. The entire terminal is reasonably designed, resistant to plugging and unplugging, has good plugging and unplugging stability, has a long service life, is not easy to loosen and fall off, has a large effective contact area between the clamping spring 2 and the plug wire, and has good current transmission stability. It is worthy of vigorous promotion and application.
[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A plug-resistant automotive connector terminal structure, characterized by: The invention comprises a compression spring block (1), a clamping spring (2) and a terminal body (3), wherein the terminal body (3) comprises a base plate (31) and a fixing plate (32) and a wire pressing plate (33) integrally formed on both sides of the base plate (31), wherein the base plate (31) is connected to the fixing plate (32) and the wire pressing plate (33) in a U shape, and the terminal body (3) further comprises a main terminal foot (34) integrally formed with the base plate (31) and a secondary terminal foot (35) formed on the main terminal foot (34), wherein a conductor is formed between the main terminal foot (34) and the secondary terminal foot (35). The wire plug-in cavity (36) is provided with an insertion port (37) at one end of the wire plug-in cavity (36) away from the bottom plate (31); a fixing column (38) for fixing the retaining spring (2) is provided on the fixing plate (32); a wire pressing pattern (39) is provided on the wire pressing plate (33); one end of the retaining spring (2) is fixedly connected to the terminal body (3); a wire pressing position (4) is formed between the other end and the terminal body (3); the compression spring block (1) is in contact with the retaining spring (2), and the wire pressing position (4) can be opened or closed when the compression spring block (1) is pressed.
2. The plug-resistant automotive connector terminal structure according to claim 1, characterized in that: The compression spring block (1) is made of insulating plastic material.
3. The plug-resistant automotive connector terminal structure according to claim 1, characterized in that: The clamping spring (2) is V-shaped, and a fixing through hole (310) adapted to the fixing column (38) is provided on the clamping spring (2), wherein the inner diameter of the fixing through hole (310) is smaller than the outer diameter of the fixing column (38).
4. The plug-resistant automotive connector terminal structure according to claim 1, characterized in that: The terminal body (3) is made of conductive material.
5. The plug-resistant automotive connector terminal structure according to claim 1, characterized in that: The plug-in port (37) is communicated with the wire plug-in cavity (36), and the plug-in port (37) is gradually tightened from the outside to the inside to form a trumpet shape.
6. The plug-resistant automotive connector terminal structure according to claim 1, characterized in that: The pressing position (4) is located at the pressing line (39).