Automobile door lock service life testing device

By designing an automotive door lock life testing device, the problem of failing to detect the number of opening and closing operations and adjustment force in existing technologies has been solved, thus achieving accurate assessment and reliable testing of door lock life.

CN223883183UActive Publication Date: 2026-02-06WEIHAI YOUAN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520548739.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-02-06
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing technologies fail to effectively detect the number of times a car door lock is opened and closed and the force required to open and close it, resulting in inaccurate door lock lifespan tests and potentially leading to situations where the door lock cannot be opened.

Method used

A device for testing the lifespan of an automotive door lock was designed, comprising an adjustment component and a pulling component. It can detect the number of times the door lock is opened and closed and adjust the working stroke according to the opening and closing force. The number of opening and closing times and the increase in potential energy are recorded by a touch counter.

Benefits of technology

It enables accurate detection of the number of times a door lock is opened and closed and life assessment, avoiding the problem of door locks failing to open and improving the accuracy and reliability of the test.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223883183U_ABST
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Abstract

The utility model discloses an automobile door lock service life testing device, and relates to the technical field of automobile door lock testing. The automobile door lock service life testing device comprises a base, an adjusting assembly is arranged on the upper surface of the base, a pulling assembly is arranged on one side of the adjusting assembly, a door lock assembly is arranged on the upper surface of the base, the adjusting assembly comprises vertical pipes fixedly installed on the two sides of the upper surface of the base, and sliding blocks are slidably connected into the vertical pipes; by means of the pulling assembly and the touch control counter, the automobile door lock can be opened and closed in the using process, so that the number of times of opening and closing of the door lock can be detected and counted in the using process, the number of times of opening and closing of the door lock is reduced, and the safety of the automobile door lock is improved. Therefore, the service life of the door lock can be detected, the production service life of the door lock can be measured conveniently, the door lock is improved subsequently to reach the qualified standard, and the situation that the door lock cannot be opened is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automobile door lock test technical field, concretely is a kind of automobile door lock life test device. BACKGROUND

[0002] Automobile door lock is the device for locking and unlocking automobile door, including mechanical door lock and electronic door lock, automobile door lock has electronic door lock and mechanical door lock, in the automobile production process, the opening and closing life of automobile door lock needs to be tested, to ensure the normal use of door lock after subsequent automobile production.

[0003] In the automobile door lock switch, frequently used is the switch of automobile door, in the switching process, automobile door lock is frequently switched, and frequent switching of door will affect the life of door lock, so the opening and closing life of door lock needs to be detected.

[0004] In actual application process, there are following defects:

[0005] 1. In the process of testing, the opening and closing times of door lock are not detected and counted, so even after subsequent electronic unlocking, if the mechanical opening and closing life of door lock reaches, there will be the case that door lock cannot be opened.

[0006] 2. In the process of detecting different door locks, the switching force is different, so the working stroke needs to be adjusted to increase the potential energy, if it is not convenient to adjust and operate, it will affect the subsequent test.

[0007] Therefore, we propose a kind of automobile door lock life test device to solve the above problems. SUMMARY

[0008] In view of the deficiencies of prior art, the utility model provides a kind of automobile door lock life test device, solve the problems raised in the above background art.

[0009] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of automobile door lock life test device, including base, the upper surface of base is provided with adjusting assembly, the side of adjusting assembly is provided with pull assembly, the upper surface of base is provided with door lock assembly.

[0010] The adjusting assembly includes vertical pipe fixedly installed on the upper surface of base on both sides, sliding block is slidably connected in the vertical pipe, the opposite side of two sliding blocks is fixedly installed with slide rod, slide rod is fixedly installed with sliding plate, sliding plate is inserted with screw rod, the bottom of screw rod is rotatably connected with the upper surface of base by bearing, the front surface of sliding block is fixedly installed with moving rod, and the one end of moving rod is fixedly installed with moving plate.

[0011] Through the adjusting assembly, in the process of use, the working stroke of the door lock can be adjusted according to the opening and closing force of the door lock, so that the potential energy is increased, and the subsequent test operation is facilitated.

[0012] The pulling assembly comprises a motor fixedly installed on one side of the moving plate, an output shaft of the motor is fixedly installed with a rotating disc, an outer ring of the rotating disc is rotationally connected with a crank connecting rod through a rotating shaft, and the bottom of the crank connecting rod is fixedly installed with a connecting rope.

[0013] Through the pulling assembly and the touch counter, the door lock of the automobile can be opened and closed in the process of use, so that the opening and closing times of the door lock can be detected and counted in the process of use, the service life of the door lock can be detected, the production service life of the door lock is facilitated, subsequent improvement is carried out, the qualified standard is reached, and the situation that the door lock cannot be opened is avoided.

[0014] The door lock assembly comprises a plate body hingedly connected to the base through a hinge, a lock body is inlaid in the plate body, a handle is fixedly installed on the upper surface of the plate body, one end of the connecting rope is fixedly connected with the handle, a clasp ring matched with the lock body is fixedly installed on the upper surface of the base, and touch counters are fixedly installed on the two sides of the upper surface of the base.

[0015] Preferably, mounting plates are fixedly installed at the four corners of the bottom of the base, mounting holes are formed in the mounting plates, the mounting holes are long circular holes, and anti-skid lines are formed on the lower surfaces of the mounting plates.

[0016] Preferably, counterweights are fixedly installed on the two sides of the upper surface of the plate body, the counterweights are arranged on the two sides of the handle, the weight of the plate body is increased, and the lock body and the clasp ring can be automatically clamped in the process of moving down of the plate body.

[0017] Preferably, a rotating disc is fixedly installed at the top of the lead screw, anti-skid lines are formed on the surface of the rotating disc, a silk hole is formed in the sliding plate for the lead screw to pass through, the silk hole is threadedly connected with the lead screw, and the rotating disc is arranged.

[0018] Preferably, a rod groove is formed in one side of the vertical pipe for the sliding rod to pass through, the inner wall of the rod groove is slidably connected with the surface of the sliding rod, a moving groove is formed in the front surface of the vertical pipe for the moving rod to pass through, and the inner wall of the moving groove is slidably connected with the surface of the moving rod.

[0019] Preferably, the inner wall of the vertical pipe is slidably connected with the surface of the sliding block, and the sliding block is matched with the vertical pipe.

[0020] Preferably, the touch counter is a TH8032 metal press type counter from THT.

[0021] The utility model provides a kind of automobile door lock life testing device.Compared with prior art has the following beneficial effects:

[0022] The automobile door lock life testing device, by being provided with pulling assembly and touch counter, can operate the automobile door lock in the using process, so that the number of opening and closing of the door lock can be detected and counted in the using process, so that the life of the door lock can be detected, to facilitate the production life determination of the door lock, and subsequent improvement is carried out, so that it reaches the qualified standard, and the situation that the door lock cannot be opened is avoided.

[0023] Meanwhile, by being provided with adjusting assembly, in the using process, in the process of detecting different door locks, the working stroke can be adjusted according to the different opening and closing force of the door lock, to increase the potential energy and facilitate subsequent test operation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a second perspective three-dimensional structure schematic view of the utility model;

[0026] Figure 3 It is a third perspective three-dimensional structure schematic view of the utility model;

[0027] Figure 4 It is the utility model Figure 2 It is a structure enlarged schematic view of A in the utility model.

[0028] In the drawing: 1, base; 2, adjusting assembly; 200, vertical pipe; 201, sliding block; 202, slide rod; 203, slide plate; 204, moving rod; 205, moving plate; 206, screw rod; 3, pulling assembly; 300, motor; 301, turntable; 302, crank connecting rod; 303, connecting rope; 4, door lock assembly; 400, plate body; 401, lock body; 402, handle; 403, snap ring; 404, touch counter; 405, counterweight; 5, mounting plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] Please refer to Figures 1-4 The utility model provides a technical scheme: a car door lock life test device, including base 1, the upper surface of base 1 is provided with adjusting assembly 2, one side of adjusting assembly 2 is provided with pull assembly 3, the upper surface of base 1 is provided with door lock assembly 4.

[0031] Adjusting assembly 2 includes the vertical pipe 200 fixedly installed on the upper surface both sides of base 1, the inside sliding connection of vertical pipe 200 has slider 201, the opposite side of two sliders 201 is fixedly installed with slide rod 202, and slide rod 202 is fixedly installed with sliding plate 203, and the sliding plate 203 is inserted with lead screw 206, and the bottom of lead screw 206 is rotatably connected with the upper surface of base 1 through bearing, and the front surface of slider 201 is fixedly installed with moving rod 204, and one end of moving rod 204 is fixedly installed with moving plate 205, and the adjusting assembly 2 is set, in the process of using, in the process of detecting different door locks, the working stroke can be adjusted according to the different opening and closing force of door lock, to increase its potential energy, facilitate subsequent test operation.

[0032] Pull assembly 3 includes motor 300 fixedly installed on one side of moving plate 205, and the output shaft of motor 300 is fixedly installed with rotary disc 301, and the outer ring of rotary disc 301 is rotatably connected with crank connecting rod 302 through rotating shaft, and the bottom of crank connecting rod 302 is fixedly installed with connecting rope 303, and the pull assembly 3 and touch counter 404 are set, in the process of using, can be opened and closed to the car door lock, so that in the process of using, the opening and closing times of door lock can be detected and counted, so that the life of door lock can be detected, to facilitate the production life determination of door lock, and subsequent improvement is carried out, so that it reaches the qualified standard, avoids the situation that door lock cannot be opened.

[0033] Door lock assembly 4 includes plate body 400 hinged on base 1 through hinge, and the inside of plate body 400 is inlaid with lock body 401, and the upper surface of plate body 400 is fixedly installed with handle 402, and one end of handle 402 is fixedly connected with connecting rope 303, and the upper surface of base 1 is fixedly installed with snap ring 403 matched with lock body 401, and the both sides of the upper surface of base 1 are fixedly installed with touch counter 404.

[0034] Refer to Figure 1 The four corners of the bottom of base 1 are fixedly installed with mounting plate 5, and mounting hole is formed in mounting plate 5, and the mounting hole is long circular hole, and anti-skid lines are formed in the lower surface of mounting plate 5, and the mounting plate 5 is set, in the process of using, the installation positioning of device is convenient, and the installation stability of device whole is kept.

[0035] Refer to Figure 1The two sides of the upper surface of the plate body 400 are fixedly provided with counterweights 405, which are located on the two sides of the handle 402. The counterweights 405 increase the weight of the plate body 400, so that the weight of the plate body 400 can automatically make the lock body 401 and the clasp ring 403 be clamped together in the process of moving downward.

[0036] Referring to Figure 3 The top of the screw rod 206 is fixedly provided with a rotating disc, the surface of the rotating disc is provided with anti-skid lines, the sliding plate 203 is provided with a screw hole for the screw rod 206 to pass through, and the screw hole is in threaded connection with the screw rod 206. The rotating disc is arranged to facilitate the rotation of the screw rod 206 in use. Meanwhile, the screw hole is in threaded connection with the screw rod 206, so that the position of the sliding plate 203 can be adjusted in the process of rotating the screw rod 206.

[0037] Referring to Figure 4 One side of the vertical pipe 200 is provided with a rod groove for the sliding rod 202 to pass through, and the inner wall of the rod groove is in sliding connection with the surface of the sliding rod 202. The front surface of the vertical pipe 200 is provided with a moving groove for the moving rod 204 to pass through, and the inner wall of the moving groove is in sliding connection with the surface of the moving rod 204.

[0038] Referring to Figure 2 and Figure 4 The inner wall of the vertical pipe 200 is in sliding connection with the surface of the sliding block 201, and the sliding block 201 is matched with the vertical pipe 200.

[0039] Referring to Figure 1 The touch counter 404 is a metal press type counter of TH8032 of Tianshuda.

[0040] In work, the device is fixed on a position to be tested, then the lock body 401 to be tested is installed on the plate body 400, then the connecting rope 303 with different lengths is replaced according to different strokes, then the screw rod 206 is rotated, the sliding rod 202 and the sliding block 201 on the sliding plate 203 are driven to move, so that the position of the moving rod 204 and the moving plate 205 on one side of the sliding block 201 is adjusted, thereby driving the height of the rotating disc 301 on the motor 300 to be adjusted. When the motor 300 is adjusted to a proper height, the rotation of the screw rod 206 is stopped, then the motor 300 is controlled to work, the motor 300 drives the connecting rod 302 on the rotating disc 301 to move, so that the connecting rod 302 drives one end of the connecting rope 303 to exert a pulling force on the handle 402, then the lock body 401 on the plate body 400 is separated from the clasp ring 403. When the connecting rod 302 on the rotating disc 301 is at the lowest position, the plate body 400 drives the lock body 401 to press and clamp the clasp ring 403, then one opening and closing is realized. In the process of moving downward of the plate body 400, the plate body 400 presses the touch counter 404 once, the touch counter 404 counts once, until the door lock cannot be opened, and the number on the touch counter 404 is the service life of the door lock.

[0041] Also, it is common technical knowledge to those skilled in the art that the contents not described in detail in the present specification are the prior art.

Claims

1. A device for testing the life of a motor vehicle door lock, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with an adjusting assembly (2), one side of the adjusting assembly (2) is provided with a pulling assembly (3), and the upper surface of the base (1) is provided with a door lock assembly (4); The adjusting assembly (2) comprises vertical pipes (200) fixedly installed on the upper surface of the base (1) on both sides, the inside of the vertical pipe (200) is slidably connected with a sliding block (201), the opposite side of the two sliding blocks (201) is fixedly installed with a sliding rod (202), the sliding rod (202) is fixedly installed with a sliding plate (203), the sliding plate (203) is inserted with a lead screw (206), the bottom of the lead screw (206) is rotatably connected with the upper surface of the base (1) through a bearing, and the front surface of the sliding block (201) is fixedly installed with a moving rod (204), one end of the moving rod (204) is fixedly installed with a moving plate (205). The pulling assembly (3) comprises a motor (300) fixedly installed on one side of the moving plate (205), the output shaft of the motor (300) is fixedly installed with a rotating disc (301), the outer ring of the rotating disc (301) is rotatably connected with a crank connecting rod (302) through a rotating shaft, and the bottom of the crank connecting rod (302) is fixedly installed with a connecting rope (303). The door lock assembly (4) comprises a plate body (400) hingedly connected to the base (1), the inside of the plate body (400) is inlaid with a lock body (401), the upper surface of the plate body (400) is fixedly installed with a handle (402), one end of the handle (402) is fixedly connected with the connecting rope (303), the upper surface of the base (1) is fixedly installed with a snap ring (403) matched with the lock body (401), and the two sides of the upper surface of the base (1) are fixedly installed with a touch counter (404).

2. The device for testing the life of a door lock of a vehicle according to claim 1, characterized in that: The bottom of the base (1) is fixedly installed with mounting plates (5) at four corners, mounting holes are formed in the mounting plates (5), the mounting holes are long circular holes, and anti-skid lines are formed in the lower surfaces of the mounting plates (5).

3. The device for testing the life of a door lock of a vehicle according to claim 1, characterized in that: The two sides of the upper surface of the plate body (400) are fixedly installed with counterweights (405), and the counterweights (405) are located on the two sides of the handle (402).

4. The device for testing the life of a door lock of a vehicle according to claim 1, characterized in that: The top of the lead screw (206) is fixedly installed with a rotating disc, anti-skid lines are formed on the surface of the rotating disc, a silk hole is formed in the sliding plate (203) for the lead screw (206) to pass through, and the silk hole is threadedly connected with the lead screw (206).

5. The device for testing the life of a door lock of a vehicle according to claim 1, characterized in that: One side of the vertical pipe (200) is provided with a rod groove for the sliding rod (202) to pass through, the inner wall of the rod groove is slidably connected with the surface of the sliding rod (202), the front surface of the vertical pipe (200) is provided with a moving groove for the moving rod (204) to pass through, and the inner wall of the moving groove is slidably connected with the surface of the moving rod (204).

6. The device for testing the life of a door lock of a vehicle according to claim 1, characterized in that: The inner wall of the vertical pipe (200) is slidably connected with the surface of the sliding block (201), and the sliding block (201) is matched with the vertical pipe (200).

7. The device for testing the life of a door lock of a vehicle according to claim 1, characterized in that: The touch counter (404) is a metal pressing type counter of TH8032 of Timewar.