Safety lock catch testing device

By designing a safety latch testing device, which utilizes horizontal movement and lifting drive components to detect the ejection distance of the insert block, the problem of lacking detection function in existing technologies is solved, and the locking capability of the latch is improved during collisions.

CN223581389UActive Publication Date: 2025-11-21SUZHOU PAIYIKE AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202422742354.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-21
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The lack of a function to detect the distance from the buckle ejection point of the plug in the existing technology affects the locking effect of the seat belt during a collision.

Method used

A safety latch testing device was designed, comprising a horizontal moving device, a lifting drive assembly, and a force sensor. After the latch is inserted by a push plate, the lifting drive assembly presses the block down, and the force sensor and latch displacement sensor assembly detect the distance the inserted block pops out.

Benefits of technology

It enables precise detection of the ejection distance of the insert, ensuring that the buckle provides sufficient locking force upon impact, thus improving the locking effect of the seat belt.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223581389U_ABST
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Abstract

The utility model relates to the technical field of lock catches, and discloses a safety lock catch testing device which comprises a first mounting seat, a horizontal moving device is arranged at the top end of the first mounting seat, a push disc is arranged at the driving end of the horizontal moving device through a mounting assembly, a first mounting frame is arranged on one side of the first mounting seat, and a second mounting frame is arranged on the other side of the first mounting seat. A lock catch displacement sensor assembly is arranged on the first mounting frame, a second mounting seat is arranged on one side of the first mounting seat, a lifting driving assembly is arranged on the second mounting seat, a force sensor is arranged at the driving end of the lifting driving assembly, and a pressing block is arranged at the bottom end of the force sensor; according to the device, the pop-up distance of the insertion block from the lock catch is detected through the arranged lock catch movement sensor assembly, it is guaranteed that the lock catch can provide enough force to lock the insertion block during collision, and the problem that the function of detecting the pop-up distance of the plug does not exist in the prior art is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lock catch, especially to a safe lock catch testing device. BACKGROUND

[0002] Automobile safety lock catch, commonly known as a device used to enhance the safety of the car, its main role is to prevent the safety belt from loosening when the vehicle collides or other emergency situations, to ensure that the passengers are fixed on the seat by the safety belt. Function: prevent the safety belt from loosening due to inertia when a collision occurs. Keep the passenger's position on the seat to reduce the likelihood of injury. For child safety seats, safety lock catch can ensure that the seat is fixed on the vehicle seat.

[0003] In the Chinese patent with publication number CN 221213895 U, a kind of automobile seat safety lock catch is disclosed, which relates to the technical field of automobile seat, including: lock catch body and plug, the lock catch body includes lock shell, buckle piece and detection assembly, the lock shell is provided with the lock mouth of being adapted with plug;The buckle piece is set in the lock shell, for the plug-in connection;The detection assembly includes fixed seat and sliding top head, the fixed seat is set on the side of lock mouth, the sliding top head is slidably arranged on the fixed seat, sensor for detecting the stroke of sliding top head is arranged in the fixed seat;The utility model when plug is inserted into the process of lock shell through lock mouth, the end of plug is in contact with sliding top head, make sliding top head slide to the inside of fixed seat, by sliding top head in contact with pressure sensor, by the information feedback of pressure sensor, ensure that plug is inserted with lock catch body, without passenger manual confirmation.

[0004] In the prior art, the plug can be detected by the pressure sensor when it is inserted with the lock catch body, but the distance of the plug from the lock catch body is also a standard for measuring safety, but the prior art does not have the function of detecting the distance of the plug from the lock catch body. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a safe lock catch testing device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A safe lock catch testing device, comprising a first mounting seat, the top end of the first mounting seat is provided with a horizontal moving device, the driving end of the horizontal moving device is provided with a push disc through a mounting assembly, one side of the first mounting seat is provided with a first mounting rack, the first mounting rack is provided with a lock catch displacement sensor assembly;

[0008] The side of the first mounting base is provided with a second mounting base, the second mounting base is provided with a lifting driving assembly, the driving end of the lifting driving assembly is provided with a force sensor, and the bottom end of the force sensor is provided with a pressing block.

[0009] Preferably, the side of the second mounting base is further provided with a first mounting plate, the side of the first mounting plate is further provided with two limiting blocks, a push-pull force device is mounted between the two limiting blocks, the side of each of the two limiting blocks is in L shape, a gap is arranged between the two limiting plates, the detection end of the push-pull force device penetrates through the gap, and the side of the pressing block is further provided with a calibration end through a connecting piece, and the calibration end corresponds to the detection end.

[0010] Preferably, the lock catch displacement sensor assembly comprises two laser displacement sensors, and the two laser displacement sensors are arranged on the two sides of the inside of the first mounting frame.

[0011] Preferably, the mounting assembly comprises two nuts, a threaded rod and a second mounting plate, the second mounting plate is arranged at the driving end of the horizontal moving device, the threaded rod is arranged at the side of the push disc, the threaded rod penetrates through the second mounting plate, and the two nuts are arranged at the two sides of the second mounting plate and are in threaded connection with the threaded rod.

[0012] Preferably, the lifting driving assembly comprises a sliding rail, a first air cylinder, a sliding block and a mounting block, the sliding rail is arranged at the side of the second mounting base, the first air cylinder is arranged at the top end of the second mounting base, the sliding block is slidingly arranged on the sliding rail, the driving end of the first air cylinder is fixedly connected with the side of the sliding block, the mounting block is arranged at the side of the sliding block, the force sensor is arranged at the side of the mounting block, and the pressing block is arranged at the bottom end of the mounting block.

[0013] Compared with the prior art, the device has the beneficial effects that:

[0014] The push disc can push the plug block to be inserted into the lock catch, the lifting driving assembly drives the pressing block to move downward, the product is pressed, the force sensor can press the product with a rated force, the lock catch is popped out after the product is pressed, the lock catch displacement sensor assembly can detect the distance of the plug block being popped out, compared with the prior art, the device detects the distance of the plug block being popped out from the lock catch through the lock catch displacement sensor assembly, ensures that the lock catch can provide sufficient force to lock the plug block in the event of a collision, and solves the problem that the prior art does not have the function of detecting the distance of the plug being popped out. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A three-dimensional schematic view of a safety lock catch testing device is provided in the utility model;

[0016] Fig. 2 A bottom schematic view of a safety lock catch testing device is provided in the utility model.

[0017] Fig. 3 A side schematic view of a first mounting seat of a safety lock catch testing device is provided in the utility model.

[0018] Fig. 4 A second mounting seat schematic view of a safety lock catch testing device is provided in the utility model.

[0019] In the figure: 1, first mounting seat; 2, horizontal moving device; 3, push disc; 4, first mounting frame; 5, laser displacement sensor; 6, second mounting seat; 7, pressing block; 8, force sensor; 9, sliding rail; 10, first air cylinder; 11, sliding block; 12, mounting block; 13, first mounting plate; 14, push-pull force device; 15, limiting block; 16, gap; 17, calibration end; 18, nut; 19, threaded rod; 20, second mounting plate. Specific implementation

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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.

[0021] Reference Figs. 1 to 4 A safety lock catch testing device, comprising a first mounting seat 1, the top end of the first mounting seat 1 is provided with a horizontal moving device 2, the drive end of the horizontal moving device 2 is provided with a push disc 3 through a mounting assembly, one side of the first mounting seat 1 is provided with a first mounting frame 4, and a lock catch displacement sensor assembly is arranged on the first mounting frame 4.

[0022] One side of the first mounting seat 1 is provided with a second mounting seat 6, and a lifting drive assembly is arranged on the second mounting seat 6; the drive end of the lifting drive assembly is provided with a force sensor 8; the bottom end of the force sensor 8 is provided with a pressing block 7; the device is bolted on a test platform; the lock catch and the plug block are arranged on the platform; and the device is not shown in the figure.

[0023] When the device is used, the plug block can be pushed into the lock catch, the pressing block 7 is then driven downward by the lifting drive assembly, the product is pressed, the force sensor 8 arranged can press the product with a rated force, the lock catch is ejected after the product is pressed, and the lock catch displacement sensor assembly can detect the distance of the plug block ejected, compared with the prior art, the lock catch displacement sensor assembly arranged in the device detects the distance of the plug block ejected from the lock catch, so that the lock catch can provide sufficient force to lock the plug block when colliding, and the problem that the prior art does not have the function of detecting the distance of the plug block ejected is solved.

[0024] Further, one side of the second mounting seat 6 is further provided with a first mounting plate 13, one side of the first mounting plate 13 is further provided with two limiting blocks 15, a push-pull force device 14 is installed between the two limiting blocks 15, the side of the two limiting blocks 15 is L-shaped, a gap 16 is arranged between the two limiting plates, the detection end of the push-pull force device 14 penetrates the gap 16, one side of the pressing block 7 is further provided with a calibration end 17 through a connecting piece, and the calibration end 17 corresponds to the detection end. By arranging the limiting plate, the push-pull force device 14 can be installed on one side of the first mounting plate 13. The calibration end 17 is driven by the lifting driving device to move upward and contact the detection end. In this way, the push-pull force device 14 and the force sensor 8 detect the same force. Whether the values of the push-pull force device 14 and the force sensor 8 are the same is observed to detect whether the force sensor 8 is correct.

[0025] Further, the lock catch displacement sensor assembly includes two laser displacement sensors 5 arranged on both sides of the inside of the first mounting frame 4. The two laser displacement sensors 5 can detect the distance of the ejection of the two sides of the plug respectively, thereby increasing the accuracy of detection.

[0026] Further, the mounting assembly includes two nuts 18, a threaded rod 19 and a second mounting plate 20. The second mounting plate 20 is arranged at the driving end of the horizontal moving device 2. The threaded rod 19 is arranged on one side of the push disc 3 and penetrates the second mounting plate 20. The two nuts 18 are arranged on both sides of the second mounting plate 20 and are threadedly connected with the threaded rod 19. The threaded rod 19 can be threadedly connected with the two nuts 18 through the friction force and the second mounting plate 20, so that the threaded rod 19 and the push disc 3 are installed on one side of the second mounting plate 20. When disassembling, only the nuts 18 need to be twisted to separate the push disc 3 from the second mounting plate 20. In this way, when the push disc 3 is damaged, it is convenient to replace it.

[0027] Further, the lifting driving assembly includes a sliding rail 9, a first air cylinder 10, a sliding block 11 and a mounting block 12. The sliding rail 9 is arranged on one side of the second mounting seat 6. The first air cylinder 10 is arranged at the top end of the second mounting seat 6. The sliding block 11 is slidingly arranged on the sliding rail 9. The driving end of the first air cylinder 10 is fixedly connected with one side of the sliding block 11. The mounting block 12 is arranged on one side of the sliding block 11. The force sensor 8 is arranged on one side of the mounting block 12. The pressing block 7 is arranged at the bottom end of the mounting block 12. The first air cylinder 10 can drive the sliding block 11 to move on the sliding rail 9, drive the mounting block 12 to move, and drive the pressing block 7 to move downward. The pressing block 7 presses the plug, so that the plug is ejected from the lock catch. In this way, it is convenient to detect the force used to press the plug.

[0028] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A safety catch testing device comprising a first mounting (1) characterised in that: The top end of the first mounting base (1) is provided with horizontal moving device (2), the drive end of horizontal moving device (2) is provided with push disc (3) through mounting assembly, one side of the first mounting base (1) is provided with first mounting frame (4), first mounting frame (4) is provided with lock catch displacement sensor assembly; One side of the first mounting base (1) is provided with second mounting base (6), second mounting base (6) is provided with lifting drive assembly, the drive end of lifting drive assembly is provided with force sensor (8), the bottom end of force sensor (8) is provided with pressing block (7).

2. A safety catch testing device according to claim 1, wherein: The first mounting plate (13) is arranged on one side of the second mounting base (6), and two limiting blocks (15) are arranged on one side of the first mounting plate (13). The push-pull force device (14) is arranged between the two limiting blocks (15). The side of the two limiting blocks (15) is L-shaped. The gap (16) is arranged between the two limiting blocks (15). The detection end of the push-pull force device (14) penetrates through the gap (16). The calibration end (17) is arranged on one side of the pressing block (7) through the connecting piece, and the calibration end (17) corresponds to the detection end.

3. The safety catch testing device of claim 1, wherein: The lock catch displacement sensor assembly comprises two laser displacement sensors (5), and the two laser displacement sensors (5) are arranged on the two sides of the first mounting frame (4).

4. The safety catch testing device of claim 1, wherein: The mounting assembly comprises two nuts (18), a threaded rod (19) and a second mounting plate (20). The second mounting plate (20) is arranged on the drive end of the horizontal moving device (2). The threaded rod (19) is arranged on one side of the push disc (3) and penetrates through the second mounting plate (20). The two nuts (18) are arranged on the two sides of the second mounting plate (20) and are in threaded connection with the threaded rod (19).

5. The safety catch testing device of claim 1, wherein: The lifting drive assembly comprises a sliding rail (9), a first air cylinder (10), a sliding block (11) and a mounting block (12). The sliding rail (9) is arranged on one side of the second mounting base (6). The first air cylinder (10) is arranged at the top end of the second mounting base (6). The sliding block (11) is slidably arranged on the sliding rail (9). The drive end of the first air cylinder (10) is fixedly connected with one side of the sliding block (11). The mounting block (12) is arranged on one side of the sliding block (11). The force sensor (8) is arranged on one side of the mounting block (12). The pressing block (7) is arranged at the bottom end of the mounting block (12).

Citation Information

Patent Citations

  • Safety lock catch for automobile seat

    CN221213895U