Automobile lock catch assembly capable of preventing mistaken pressing
By designing guide plates and protective parts on the car lock buckle, the problem of the lock buckle being easily pressed by mistake is solved, the stable connection between the lock tongue and the lock buckle is achieved, and the protection of the seat belt is improved.
Patent Information
- Application Number
- CN202422261976.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The unlocking button of the car lock buckle is easily pressed by mistake, causing the seat belt to be loosened and reducing safety.
An anti-error-pressure-proof car lock assembly is designed, which includes a guide plate and a protective piece. The guide plate is used to guide the lock tongue into the lock hole. The guard is located above the unlock button. It prevents mispression through the torsion shaft and the torsion spring to ensure a stable connection between the lock tongue and the lock.
Effectively prevent users from pressing the unlock button by mistake, ensuring the stable connection between the lock tongue and the lock buckle, improving the protection of the seat belt, and avoiding accidental loosening of the seat belt.
Smart Images

Figure CN223053975U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automotive latches, and particularly relates to an automotive latch assembly that prevents accidental pressing. Background Art
[0002] Automobile seat belts are provided to fix the bodies of drivers and passengers to reduce the injury rate and mortality rate in collision accidents. One end of the automobile seat belt is connected to the vehicle through a retractor, and the other end of the automobile seat belt is connected to the vehicle seat through an automotive latch.
[0003] Since the automotive latch is located on the side of the seat, when the unlocking button of the automotive latch is accidentally pressed, it is easy to cause the automotive latch to unlock, resulting in the seat belt being loosened, which easily reduces the protection performance of the seat belt.
[0004] Based on this, an automotive latch assembly that prevents accidental pressing is designed. Content of the Utility Model
[0005] The utility model aims at the deficiencies existing in the prior art and provides the following technical solution: an automotive latch assembly that prevents accidental pressing, including a latch, and a locking tongue inserted into a lock hole provided at the upper end of the latch. A positioning bolt fixed to the vehicle is installed at the lower end of the latch. An unlocking button for the locking tongue to fall off is provided at the upper end of the latch. A guiding plate is integrally formed at the upper end of the latch housing near the lock hole, and the guiding plate is used to guide the locking tongue to insert into the lock hole. A protective member for preventing accidental pressing of the unlocking button is provided on the side of the latch. The upper end of the protective member is located above the unlocking button, and the lower end of the protective member is rotatably connected to the latch.
[0006] As an improvement of the above technical solution, the protective member includes a side plate provided on the side of the latch. A protective cover plate is integrally formed at the upper end of the side plate. The protective cover plate is provided above the unlocking button to block the unlocking button. Ear blocks are provided on the outer surface at the connection between the side plate and the protective cover plate. A rotatable torsion shaft is provided between the lower end of the side plate and the latch.
[0007] As an improvement of the above technical solution, the torsion shaft includes a shaft rod integrally formed at the lower end of the side plate. The two ends of the shaft rod are movably sleeved with bushings, and the bushings are fixed on the housing of the latch. Raised portions are integrally formed at the two ends of the shaft rod, and the raised portions are located outside the bushings. A torsion spring is sleeved on the outer part of the shaft rod. The two torsion arms at both ends of the torsion spring are respectively fixed to the latch, and the torsion arm in the middle of the torsion spring is fixed to the side plate.
[0008] As an improvement of the above technical solution, the side plate and the protective cover plate are in an "L"-shaped plate structure.
[0009] As an improvement of the above technical solution, the included angle between the guiding plate and the upper end of the lock catch is 75 degrees, and at least one and at most three are provided on the side of the guiding plate.
[0010] Advantages of the utility model:
[0011] 1. The automobile lock catch assembly composed of a lock catch, a positioning bolt and a lock tongue facilitates the fixation of the lock catch to the automobile seat through the positioning bolt installed at the lower end. The lock tongue is inserted into the lock hole provided at the upper end of the lock catch. Through the positioning bolt, it is convenient to connect the lock catch and the automobile seat. After pressing the unlocking button, it is convenient for the lock tongue to disengage from the lock hole at the upper end of the lock catch; through the guiding plate integrally formed at the upper end of the lock catch housing, when the lock tongue is inserted into the lock catch at the upper end of the lock catch, it is convenient for the guiding plate to guide the lock tongue, which is beneficial for the lock tongue to be inserted into the lock hole at the upper end of the lock catch; through the protective member provided on the side of the lock catch, and the upper end of the protective member is located above the unlocking button, it is convenient for the protective member to protect the unlocking button, thereby preventing the user from accidentally pressing the unlocking button and causing the separation of the lock catch and the lock tongue.
[0012] 2. Through the protective member composed of a side plate, a protective cover plate, an ear block and a torsion rotating shaft, the side plate is rotatably connected to the lock catch through the torsion rotating shaft at the lower end. The protective cover plate integrally formed at the upper end of the side plate is arranged above the unlocking button, which is convenient for the protective cover plate to protect the unlocking button and prevent the user from accidentally pressing the unlocking button and causing the separation of the lock catch and the lock tongue. The ear block provided on the outer surface at the connection between the side plate and the protective cover plate facilitates the user to rotate the side plate around the torsion rotating shaft at the lower end by pushing the ear block, and it is convenient for the protective cover plate to move to the outside of the unlocking button, so that the user can actively press the unlocking button to separate the lock catch and the lock tongue.
[0013] 3. Through the torsion rotating shaft composed of a rotating shaft rod, a shaft sleeve, a convex portion and a torsion spring, the rotating shaft rod is integrally formed at the lower end of the side plate, the rotating shaft rod is rotatably installed in the shaft sleeve on the lock catch housing, and convex portions for limiting are integrally formed at both ends of the rotating shaft rod, and the convex portions are located outside the shaft sleeve, which is convenient for the side plate to rotate around the rotating shaft rod. A torsion spring is sleeved outside the rotating shaft rod, and the torsion arms at both ends of the torsion spring are fixed to the lock catch, and the torsion arm in the middle of the torsion spring is fixed to the side plate, so that when the side plate rotates, it is convenient for the torsion spring to twist, and it is convenient for the torsion spring to drive the rotated side plate to reset. Description of the drawings
[0014] Figure 1 It is a first three-dimensional structure diagram of the utility model;
[0015] Figure 2 It is a second three-dimensional structure diagram of the utility model;
[0016] Figure 3 It is a third three-dimensional structure diagram of the utility model;
[0017] Figure 4 Structural diagram of the protective component in the present utility model;
[0018] Figure 5 Structural diagram of the torsion spring in the present utility model.
[0019] Reference numerals: 1, lock catch; 2, positioning bolt; 3, lock tongue; 4, unlocking button; 5, guiding plate; 6, side plate; 7, protective cover plate; 8, ear block; 9, rotating shaft rod; 10, shaft sleeve; 11, convex part; 12, torsion spring. Specific implementation manners
[0020] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0021] Please refer to Figures 1-5 , the present utility model provides a technical solution: an anti-misoperation car lock catch assembly, including a lock catch 1 and a lock tongue 3 inserted into a lock hole provided at the upper end of the lock catch 1. A positioning bolt 2 fixed to the car seat is installed at the lower end of the lock catch 1, and an unlocking button 4 for the lock tongue 3 to disengage is provided at the upper end of the lock catch 1. The car lock catch assembly composed of the lock catch 1, the positioning bolt 2 and the lock tongue 3 facilitates the fixation of the lock catch 1 to the car seat through the positioning bolt 2 installed at the lower end. The lock tongue 3 is inserted into the lock hole provided at the upper end of the lock catch 1, and through the positioning bolt 2, it is convenient to connect the lock catch 1 and the car seat. After pressing the unlocking button 4, it is convenient for the lock tongue 3 to disengage from the lock hole at the upper end of the lock catch 1, thereby completing the unlocking and realizing the separation of the lock catch 1 and the lock tongue 3.
[0022] A guiding plate 5 is integrally formed at the upper end of the lock catch 1 near the lock hole, and the guiding plate 5 is used to guide the insertion of the lock tongue 3 into the lock hole; through the guiding plate 5 integrally formed at the upper end of the lock catch 1, when the lock tongue 3 is inserted into the lock catch at the upper end of the lock catch 1, it is convenient for the guiding plate 5 to guide the lock tongue 3, which is beneficial to the insertion of the lock tongue 3 into the lock hole at the upper end of the lock catch 1.
[0023] A protective component for preventing misoperation of the unlocking button 4 is provided on the side of the lock catch 1, and the upper end of the protective component is located above the unlocking button 4, and the lower end of the protective component is rotatably connected to the lock catch 1; through the protective component provided on the side of the lock catch 1, and the upper end of the protective component is located above the unlocking button 4, it is convenient for the protective component to protect the unlocking button 4, thereby preventing the user from mispressing the unlocking button 4 and causing the separation of the lock catch 1 and the lock tongue 3.
[0024] Specifically, the protective member includes a side plate 6 provided on the side of the lock catch 1. A protective cover plate 7 is integrally formed at the upper end of the side plate 6. The protective cover plate 7 is disposed above the unlocking button 4 for shielding the unlocking button 4. An ear block 8 is provided on the outer surface at the connection between the side plate 6 and the protective cover plate 7. A rotatable torsion shaft is provided between the lower end of the side plate 6 and the lock catch 1. In this embodiment, the protective member is composed of the side plate 6, the protective cover plate 7, the ear block 8 and the torsion shaft. The side plate 6 is rotatably connected to the lock catch 1 through the torsion shaft at the lower end. The protective cover plate 7 integrally formed at the upper end of the side plate 6 is disposed above the unlocking button 4, facilitating the protective cover plate 7 to protect the unlocking button 4 and preventing the user from accidentally pressing the unlocking button 4 to cause the separation of the lock catch 1 and the lock tongue 3. The ear block 8 provided on the outer surface at the connection between the side plate 6 and the protective cover plate 7 facilitates the user to rotate the side plate 6 around the torsion shaft at the lower end by pushing the ear block 8, enabling the protective cover plate 7 to move to the outside of the unlocking button 4 and expose the unlocking button 4, thereby facilitating the user to actively press the unlocking button 4 to separate the lock catch 1 and the lock tongue 3.
[0025] Specifically, the torsion shaft includes a shaft rod 9 integrally formed at the lower end of the side plate 6. Both ends of the shaft rod 9 are movably sleeved with bushings 10, and the bushings 10 are fixed on the housing of the lock catch 1. Both ends of the shaft rod 9 are integrally formed with protruding portions 11, and the protruding portions 11 are located outside the bushings 10. A torsion spring 12 is sleeved outside the shaft rod 9. The two torsion arms at both ends of the torsion spring 12 are respectively fixed to the lock catch 1, and the torsion arm in the middle of the torsion spring 12 is fixed to the side plate 6. In this embodiment, the torsion shaft is composed of the shaft rod 9, the bushings 10, the protruding portions 11 and the torsion spring 12. The shaft rod 9 is integrally formed at the lower end of the side plate 6. The shaft rod 9 is rotatably installed in the bushing 10 on the housing of the lock catch 1. Both ends of the shaft rod 9 are integrally formed with protruding portions 11 for limiting, and the protruding portions 11 are located outside the bushings 10, facilitating the side plate 6 to rotate around the shaft rod 9. A torsion spring 12 is sleeved outside the shaft rod 9. The torsion arms at both ends of the torsion spring 12 are fixed to the lock catch 1, and the torsion arm in the middle of the torsion spring 12 is fixed to the side plate 6, thus facilitating the side plate 6 to twist the torsion spring 12 when rotating, and facilitating the torsion spring 12 to bring the rotated side plate 6 back to its original position.
[0026] Specifically, the side plate 6 and the protective cover plate 7 are in an "L"-shaped plate structure.
[0027] Specifically, the included angle between the guiding plate 5 and the upper end of the lock catch 1 is 75 degrees. At least one and at most three side edges are provided on the guiding plate 5. In this embodiment, through the guiding plate 5 with an included angle of 75 degrees with the upper end of the lock catch 1, and at least one and at most three side edges are provided on the guiding plate 5, thus facilitating the guiding plate 5 to guide the lock tongue 3 and facilitating the lock tongue 3 to be inserted into the lock hole at the upper end of the lock catch 1.
[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.
Claims
1. An anti-misoperation car latch assembly, comprising a latch (1), and a latch tongue (3) inserted into a lock hole provided at the upper end of the latch (1). A positioning bolt (2) fixed to a vehicle seat is installed at the lower end of the latch (1). A unlocking button (4) for the latch tongue (3) to disengage is provided at the upper end of the latch (1), characterized in that: A guiding plate (5) is integrally formed at the upper end of the latch (1) housing near the lock hole, and the guiding plate (5) is used to guide the latch tongue (3) to insert into the lock hole; A protective member for preventing the unlocking button (4) from being misoperated is provided on the side of the latch (1). The upper end of the protective member is located above the unlocking button (4), and the lower end of the protective member is rotatably connected to the latch (1).
2. The anti-misoperation vehicle lock buckle assembly according to claim 1, characterized in that: The protective member includes a side plate (6) provided on the side of the latch (1). A protective cover plate (7) is integrally formed at the upper end of the side plate (6). The protective cover plate (7) is provided above the unlocking button (4) for shielding the unlocking button (4). An ear block (8) is provided on the outer surface at the connection between the side plate (6) and the protective cover plate (7). A rotatable torsion shaft is provided between the lower end of the side plate (6) and the latch (1).
3. The anti-misoperation vehicle latch assembly according to claim 2, characterized in that: The torsion shaft includes a shaft rod (9) integrally formed at the lower end of the side plate (6). Both ends of the shaft rod (9) are movably sleeved with bushings (10), and the bushings (10) are fixed on the housing of the latch (1). Both ends of the shaft rod (9) are integrally formed with protruding portions (11), and the protruding portions (11) are located outside the bushings (10). A torsion spring (12) is sleeved outside the shaft rod (9). Two torsion arms at both ends of the torsion spring (12) are respectively fixed to the latch (1), and a torsion arm in the middle of the torsion spring (12) is fixed to the side plate (6).
4. The anti-misoperation vehicle latch assembly according to claim 2, wherein: The side plate (6) and the protective cover plate (7) are in an "L"-shaped plate structure.
5. The anti-misoperation car lock buckle assembly according to claim 1, characterized in that: The included angle between the guiding plate (5) and the upper end of the latch (1) is 75 degrees, and at least one and at most three guiding plates (5) are provided on the side of the guiding plate (5).