Plug self-locking connector with locking function
By introducing a guide groove and guide block matching design in the self-locking connector and the synchronous movement of the return spring, the problem of locking failure of the self-locking connector under vibration or external force is solved, and the stability and ease of operation are improved.
Patent Information
- Application Number
- CN202520552642.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing self-locking connectors are prone to locking failure under frequent insertion and removal or external impact, and their operation is complicated, affecting connection stability and ease of use.
A device is designed that includes a male terminal and a female terminal. The female terminal has a limit component on its outer wall, and the male terminal has an adjustment component on its outer wall. The adjustment component includes a guide groove, a limit plate, a round rod, a return spring, and a transmission plate. Through the cooperation design of the guide groove and the guide block, the transmission plate moves along a preset trajectory, and the return spring extends and retracts synchronously to ensure that the limit block and the limit groove are engaged, thereby enhancing stability and providing flexible buffering.
It effectively avoids accidental unlocking caused by vibration or external force, improves the stability and flexible buffering capacity of the connector, reduces the risk of mechanical wear, and simplifies the operation process.
Smart Images

Figure CN223942121U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connector technology, specifically to a plug-in self-locking connector with a locking function. Background Technology
[0002] Connectors are an indispensable basic component in fields such as electronic equipment, automobile manufacturing, and aerospace, undertaking the important functions of signal transmission and power connection. With the rapid development of industrial technology, higher requirements are placed on the reliability, durability, and ease of operation of connectors. Self-locking connectors are particularly critical in applications with frequent vibration or high dynamic loads, such as automotive electronic systems and industrial automation equipment, because they can effectively prevent accidental dislodgement.
[0003] However, existing self-locking connectors still have certain limitations. Traditional self-locking structures mostly rely on a single limit design, which is prone to locking failure under frequent insertion and removal or external impact, resulting in insufficient connection stability. In addition, some self-locking mechanisms are complicated to operate, requiring a large external force or special tools to unlock, which increases the difficulty of use. Utility Model Content
[0004] The purpose of this invention is to provide a plug-in self-locking connector with a locking function to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a plug-in self-locking connector with a locking function, comprising a male terminal and a female terminal, wherein a limit component is provided on the outer wall of the female terminal;
[0006] The feature is that an adjustment assembly is provided on the outer wall of the male terminal, the adjustment assembly includes a first housing, the first housing has a plurality of guide grooves, a limit plate is rotatably connected to one side of the first housing, a plurality of round rods are slidably connected to one side of the limit plate, a return spring is sleeved on each of the round rods, one end of the return spring is fixedly connected to the limit plate, a limit block is fixedly connected to one end of each round rod, a transmission plate is fixedly connected to the plurality of round rods, the end of the return spring away from the limit plate is fixedly connected to the transmission plate, and a plurality of guide blocks are fixedly connected to the inner wall of the transmission plate.
[0007] Preferably, the guide block is slidably connected to the guide groove, the transmission plate is slidably connected to the first housing, and the outer wall of the transmission plate is designed with an anti-slip structure.
[0008] Preferably, the guide groove is L-shaped and curved around the first housing.
[0009] Preferably, the limiting component includes a second housing, a plurality of limiting grooves are provided on one side of the second housing, an expansion hole is provided on one side of each of the plurality of limiting grooves, and an mounting plate is fixedly connected to the second housing.
[0010] Preferably, the cross-sections of the plurality of limiting grooves are all T-shaped structures, the plurality of limiting grooves are arranged in a circular array, and the plurality of limiting grooves correspond to the plurality of circular rods.
[0011] Compared with the prior art, the beneficial effects of this utility model are: by adjusting the matching design of the L-shaped guide groove and the guide block in the component, the transmission plate can move precisely along the preset trajectory, ensuring the complete engagement of the limit block and the limit groove, effectively avoiding accidental unlocking caused by vibration or external force, and the reset spring expands and contracts synchronously when the transmission plate moves, which not only ensures the stability of the locking state, but also gives the connector flexible buffering ability, which can adapt to different insertion and removal angles or slight deformation, reducing the risk of mechanical wear. Attached Figure Description
[0012] Figure 1 This is a front view of the structure of this utility model;
[0013] Figure 2 This is a cross-sectional view of the limiting component structure of this utility model;
[0014] Figure 3 This is a front view of the adjustment component structure of this utility model;
[0015] Figure 4 This is a side view of the adjustment component structure of this utility model.
[0016] In the diagram: 1. Female terminal; 2. Male terminal; 3. Adjustment assembly; 4. Limiting assembly; 31. First housing; 32. Guide groove; 33. Limiting plate; 34. Round rod; 35. Return spring; 36. Limiting block; 37. Transmission plate; 38. Guide block; 41. Second housing; 42. Limiting groove; 43. Expansion hole; 44. Mounting plate. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figure 1-4This utility model provides a technical solution: a plug-in self-locking connector with locking function, including a male terminal 2 and a female terminal 1, wherein a limit component 4 is provided on the outer wall of the female terminal 1;
[0019] The feature is that an adjustment assembly 3 is provided on the outer wall of the male terminal 2. The adjustment assembly 3 includes a first housing 31, on which a plurality of guide grooves 32 are provided. A limit plate 33 is rotatably connected to one side of the first housing 31. A plurality of round rods 34 are slidably connected to one side of the limit plate 33. A return spring 35 is sleeved on each of the round rods 34. One end of the return spring 35 is fixedly connected to the limit plate 33. A limit block 36 is fixedly connected to one end of each round rod 34. A transmission plate 37 is fixedly connected to the plurality of round rods 34. The end of the return spring 35 away from the limit plate 33 is fixedly connected to the transmission plate 37. A plurality of guide blocks 38 are fixedly connected to the inner wall of the transmission plate 37.
[0020] The guide block 38 is slidably connected to the guide groove 32, and the transmission plate 37 is slidably connected to the first housing 31. The outer wall of the transmission plate 37 is designed with an anti-slip structure to guide the transmission plate 37 and facilitate slippage during the rotation of the transmission plate 37. The guide groove 32 is L-shaped and curved around the first housing 31 to facilitate the movement of the transmission plate 37 along a specified trajectory. The limiting component 4 includes a second housing 41. Several limiting grooves 42 are provided on one side of the second housing 41. Each of the limiting grooves 42 has an expansion hole 43 on one side. An mounting plate 44 is fixedly connected to the second housing 41. The cross-section of the limiting grooves 42 is T-shaped and arranged in a circular array. The limiting grooves 42 correspond to several round rods 34 to facilitate the limiting of the limiting block 36 by the limiting component 4.
[0021] Specifically, in use, the male terminal 2 is inserted into the female terminal 1. After insertion, the transmission plate 37 is rotated to press towards the female terminal 1. At this time, the transmission plate 37 moves along the guide groove 32 through the guide block 38. The pressed transmission plate 37 then drives the round rod 34 to move. The moving round rod 34 then drives the limiting block 36 to insert into the expansion hole 43. At the same time, the transmission plate 37 pulls the return spring 35. When the guide block 38 is limited by the guide groove 32, the transmission plate 37 is rotated. The transmission plate 37 then drives the round rod 34 to move. The transmission plate 37 then drives the limiting plate 33 to rotate through the round rod 34. At the same time, the moving round rod 34 drives the limiting block 36 from the expansion hole 43 to the other end of the limiting groove 42. At this time, the limiting spring pulls the transmission plate 37. Under the force of the return spring 35, the transmission plate 37 is pulled closer to the limiting plate 33 to increase the constraint force and prevent the positions of the transmission plate 37 and the round rod 34 from moving, thus improving stability.
[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A plug-in self-locking connector with locking function, comprising a male terminal (2) and a female terminal (1), wherein a limit component (4) is provided on the outer wall of the female terminal (1); Its features are, An adjustment assembly (3) is provided on the outer wall of the male terminal (2). The adjustment assembly (3) includes a first housing (31). A plurality of guide grooves (32) are provided on the first housing (31). A limit plate (33) is rotatably connected to one side of the first housing (31). A plurality of round rods (34) are slidably connected to one side of the limit plate (33). A reset spring (35) is sleeved on each of the round rods (34). One end of the reset spring (35) is fixedly connected to the limit plate (33). A limit block (36) is fixedly connected to one end of each round rod (34). A transmission plate (37) is fixedly connected to the plurality of round rods (34). The end of the reset spring (35) away from the limit plate (33) is fixedly connected to the transmission plate (37). A plurality of guide blocks (38) are fixedly connected to the inner wall of the transmission plate (37).
2. The plug-in self-locking connector with locking function according to claim 1, characterized in that: The guide block (38) is slidably connected to the guide groove (32), the transmission plate (37) is slidably connected to the first housing (31), and the outer wall of the transmission plate (37) is designed with an anti-slip structure.
3. A self-locking connector with locking function according to claim 1, characterized in that: The guide groove (32) is L-shaped and is curved around the first shell (31).
4. A self-locking connector with locking function according to claim 1, characterized in that: The limiting component (4) includes a second housing (41), a plurality of limiting grooves (42) are provided on one side of the second housing (41), an expansion hole (43) is provided on one side of each of the plurality of limiting grooves (42), and an mounting plate (44) is fixedly connected to the second housing (41).
5. A plug-in self-locking connector with locking function according to claim 4, characterized in that: The cross-section of each of the limiting grooves (42) is a T-shaped structure, and the limiting grooves (42) are arranged in a ring array. The limiting grooves (42) correspond to the round rods (34).