Test device for simulating safety belt lock
By designing a test device that simulates the seat belt lock, the energy-absorbing block and connecting block structure absorb the tension of the seat belt lock tongue is solved, and the problem of damage to the original vehicle seat belt lock during the test is ensured smoothly that the verification process of the seat skeleton is achieved and the cost-saving effect is achieved.
Patent Information
- Application Number
- CN202422287255.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-19
AI Technical Summary
During the development of the seat skeleton, the original vehicle seat belt lock is easily damaged under harsh test conditions, affecting the verification of the skeleton.
A test device that simulates a seat belt lock is designed, including an energy-absorbing block, a connecting block and a seat belt lock tongue. The energy-absorbing block absorbs the tension of the seat belt lock tongue through deformation, simulating the energy absorption of the vehicle body and the seat belt lock.
It effectively avoids damage to the original vehicle seat belt lock, ensures the smooth verification process of the seat skeleton, and at the same time, the device can be reused, saving costs.
Smart Images

Figure CN223037414U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seat belts, in particular to a test device for simulating a seat belt lock. Background Art
[0002] During the development of a seat frame, in order to ensure successful passing of the whole seat and vehicle tests, more stringent test conditions are usually adopted. For example, in a sled collision test, a collision waveform with greater energy is selected. In this case, in order to avoid damage to the original vehicle-equipped seat belt lock during the test and affect the verification of the frame, there is an urgent need for a test device that can replace the original vehicle seat belt lock. Content of the Utility Model
[0003] In view of the above problems, the purpose of the utility model is to provide a test device for simulating a seat belt lock, which is used to solve the problem that the original vehicle seat belt lock is damaged and affects the verification of the frame, so as to overcome the above-mentioned deficiencies of the prior art.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A test device for simulating a seat belt lock includes: an energy absorption block, a first connecting block, a second connecting block, a third connecting block, and a seat belt tongue. The energy absorption block is rectangular tubular. The bottom of the energy absorption block is fixedly connected to the seat belt lock seat position of the test device by bolts. The upper ends of the first connecting block and the second connecting block are installed with the seat belt tongue. The bottom of the first connecting block is fixedly connected to the upper end surface of the energy absorption block by bolts. The bottom of the second connecting block is connected to the top of the third connecting block. The bottom of the third connecting block is fixedly connected to the energy absorption block. The energy absorption block absorbs the pulling force of the seat belt tongue through deformation.
[0006] As a preference of the utility model, the first connecting block is L-shaped. The vertical side of the first connecting block is bolted to the seat belt tongue, and the horizontal side of the first connecting block is bolted to the top surface of the energy absorption block.
[0007] As a preference of the utility model, the third connecting block is L-shaped. The vertical side of the third connecting block is bolted to the second connecting block, and the horizontal side of the third connecting block extends into the energy absorption block and is fixedly connected to the bottom surface of the energy absorption block by bolts.
[0008] As a preference of the utility model, the horizontal side of the third connecting block and the energy absorption block share a bolt to be fixedly connected to the seat belt lock seat position of the test device.
[0009] The advantages and positive effects of the utility model are as follows: By adding an energy absorption block as an energy absorption mechanism, the problem that the original vehicle seat belt lock is damaged and affects the verification of the frame during the development of the seat frame is solved, which is beneficial to accelerating the progress of seat development. And this device can be reused, saving costs. Brief Description of the Drawings
[0010] Figure 1 is a schematic diagram of the overall structure in the present utility model.
[0011] Figure 2 is the front view of the overall structure in the present utility model.
[0012] Figure 3 is the top view of the overall structure in the present utility model.
[0013] Reference Numerals: energy absorption block 1, first connecting block 2, second connecting block 3, third connecting block 4, seat belt tongue 5. Detailed Description of the Preferred Embodiment
[0014] Referring to Figures 1-3 , this embodiment provides a test device for simulating a seat belt lock, including: an energy absorption block 1, a first connecting block 2, a second connecting block 3, a third connecting block 4, and two seat belt tongues 5. The energy absorption block 1 is a rectangular iron pipe with open ends on both sides. The bottom of the energy absorption block 1 is fixedly connected to the seat belt lock seat position of the seat belt test device by bolts. The upper ends of the first connecting block 2 and the second connecting block 3 are installed with two seat belt tongues 5. The bottom of the first connecting block 2 is fixedly connected to the upper end surface of the energy absorption block 1 by bolts. The bottom of the second connecting block 3 is connected to the top of the third connecting block 4. The bottom of the third connecting block 4 is fixedly connected to the energy absorption block 1. The energy absorption block 1 absorbs the pulling force of the seat belt tongue 5 through deformation. Among them, since the two seat belt tongues 5 need to be arranged in a staggered manner, the positions of the two seat belt tongues 5 can be conveniently adjusted through the second connecting block 3 and the third connecting block 4. The first connecting block 2 is L-shaped. The vertical side of the first connecting block 2 is bolted to the seat belt tongue 5. The horizontal side of the first connecting block 2 is bolted to the top surface of the energy absorption block 1. The third connecting block 4 is L-shaped. The vertical side of the third connecting block 4 is bolted to the second connecting block 3. The horizontal side of the third connecting block 4 extends into the energy absorption block 1 from the side and is fixedly connected to the bottom surface of the energy absorption block 1 by bolts. The horizontal side of the third connecting block 4 and the energy absorption block 1 share a bolt to be fixedly connected to the seat belt lock seat position.
[0015] Working Principle: The energy absorption block 1 is used to simulate the energy absorption of the vehicle body and the deformation of the seat belt lock. The first connecting block 2, the second connecting block 3, and the third connecting block 4 are used to connect the seat belt tongue and the energy absorption block. The bottom of the energy absorption block 1 is connected to each test device by connecting bolts. During the test, the seat belt passes through the seat belt tongue.
[0016] The above is only the detailed description of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims
1. A test device for simulating a seat belt lock, characterized in that: include: An energy absorbing block, a first connecting block, a second connecting block, a third connecting block, and a seat belt lock tongue, wherein the energy absorbing block is in a rectangular tubular shape, the bottom of the energy absorbing block is fixedly connected to the seat belt lock seat position of the test device by bolts, the seat belt lock tongue is installed on the upper ends of the first connecting block and the second connecting block, the bottom of the first connecting block is fixedly connected to the upper end surface of the energy absorbing block by bolts, the bottom of the second connecting block is connected to the top of the third connecting block, the bottom of the third connecting block is fixedly connected to the energy absorbing block, and the energy absorbing block absorbs the tension of the seat belt lock tongue by deformation.
2. A test device for simulating a seat belt lock according to claim 1, characterized in that: The first connecting block is L-shaped, the vertical side of the first connecting block is connected to the safety belt lock tongue bolt, and the horizontal side of the first connecting block is connected to the top surface of the energy absorbing block bolt.
3. A test device for simulating a seat belt lock according to claim 1, characterized in that: The third connecting block is L-shaped, the vertical side of the third connecting block is bolted to the second connecting block, and the horizontal side of the third connecting block extends into the energy absorbing block and is fixedly connected to the bottom surface of the energy absorbing block by bolts.
4. A test device for simulating a seat belt lock according to claim 3, characterized in that: The horizontal side of the third connecting block and the energy absorbing block are fixedly connected to the seat belt lock seat position of the testing device by using a common bolt.