Flexible line belt for automobile safety air bag
By adopting a multi-layer structure design, including connecting mesh layer, wear-resistant outer layer, tensile outer layer, wear-resistant inner layer and tensile fiber, the tensile performance and strength of the flexible wire band in the prior art are solved. The problem of reduction achieves higher wear resistance, tensile resistance and stability.
Patent Information
- Application Number
- CN202421176292.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing airbag flexible wire bands have problems with reduced strength after tensile resistance and long-term compression.
Adopt a multi-layer structural design, including connecting mesh layer, wear-resistant outer layer, tensile outer layer, wear-resistant inner layer and tensile fiber. Through the fixing of composite grooves and connecting mesh layer, the overall strength and tensile resistance of the wire belt are improved. performance.
It effectively improves the external wear resistance, tensile resistance and overall stability of the airbag flexible wire strap, extends the service life and improves the stability of the airbag after being deployed.
Smart Images

Figure CN222473577U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flexible wire belt equipment, in particular to a flexible wire belt for an automobile safety airbag. Background Art
[0002] Airbag flexible tape generally refers to a special tape used in automobile airbag systems. This tape is flexible and impact-resistant to ensure that the airbag can be deployed quickly and accurately when the vehicle collides.
[0003] However, the existing flexible cord of the safety airbag has insufficient tensile strength. Meanwhile, the existing flexible cord of the safety cylinder is easily compressed after being placed for a long time, which reduces the overall strength of the cord. Therefore, there is an urgent need for a flexible cord for automobile safety airbag to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a flexible cord of an automobile safety airbag to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a flexible line belt for automobile safety airbag, comprising a connecting bottom layer, wherein the upper end surface of the connecting bottom layer is fixedly provided with a tensile inner layer,
[0006] A wear-resistant inner layer, wherein the wear-resistant inner layer is fixedly arranged on the upper end surface of the tensile inner layer, and tensile fibers are equidistantly arranged on the inner end surface of the wear-resistant inner layer;
[0007] A wear-resistant outer layer, the wear-resistant outer layer is fixedly arranged on the upper end surface of the wear-resistant inner layer, and a composite groove is opened on the inner end surface of the wear-resistant outer layer;
[0008] The tensile outer layer is fixedly arranged on the inner end surface of the wear-resistant outer layer through the composite groove, and a connecting mesh layer is arranged on the top end surface of the wear-resistant outer layer.
[0009] Preferably, the connecting mesh layer is made of nylon, and the wear-resistant outer layer is made of polyester, which can effectively improve the wear resistance of the outer part of the line belt, thereby increasing the service life of the line belt.
[0010] Preferably, the material of the tensile outer layer is polypropylene, and the composite structure of the wear-resistant outer layer and the tensile outer layer can effectively improve the overall strength of the outer part of the wire belt.
[0011] Preferably, the wear-resistant inner layer is made of aramid, and the tensile fiber is made of carbon fiber. Carbon fiber is light in weight and has extremely high strength, which can effectively improve the stability of the line belt supporting the airbag.
[0012] Preferably, the material of the tensile-resistant inner layer is spandex, which can effectively improve the tensile resistance of the inner part of the wire.
[0013] Preferably, the material of the connecting bottom layer is polytetrafluoroethylene, which can effectively improve the toughness of the outer part of the wire belt.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0015] 1. The external connecting mesh layer of the utility model can effectively improve the wear resistance and supporting stability of the outer part of the flexible line belt of the airbag. At the same time, the wear-resistant outer layer and the tensile outer layer have good tensile properties, which can effectively improve the tensile resistance of the outer part of the line belt. The triple structure of the wear-resistant outer layer, the wear-resistant inner layer and the tensile fiber can effectively improve the overall durability and tensile resistance of the line belt, thereby improving the stability of the airbag after deployment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a disassembled diagram of the main body of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the main body of the utility model.
[0018] In the figure: 1-connecting mesh layer, 2-wear-resistant outer layer, 3-composite groove, 4-tensile outer layer, 5-wear-resistant inner layer, 6-tensile fiber, 7-tensile inner layer, 8-connecting bottom layer. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-2 The utility model provides an embodiment: a flexible line belt for automobile safety airbag, comprising a connecting bottom layer 8, and a tensile inner layer 7 is fixedly arranged on the upper end surface of the connecting bottom layer 8.
[0021] The wear-resistant inner layer 5 is fixedly arranged on the upper end surface of the tensile inner layer 7, and tensile fibers 6 are equidistantly arranged on the inner end surface of the wear-resistant inner layer 5;
[0022] The wear-resistant outer layer 2 is fixedly arranged on the upper end surface of the wear-resistant inner layer 5, and a composite groove 3 is opened on the inner end surface of the wear-resistant outer layer 2;
[0023] The tensile outer layer 4 is fixedly arranged on the inner end surface of the wear-resistant outer layer 2 through the composite groove 3, and a connecting mesh layer 1 is arranged on the top end surface of the wear-resistant outer layer 2.
[0024] The connecting mesh layer 1 is made of nylon, and the wear-resistant outer layer 2 is made of polyester, which can effectively improve the wear resistance of the outer part of the line belt, thereby increasing the service life of the line belt.
[0025] The material of the tensile outer layer 4 is polypropylene, and the composite structure of the wear-resistant outer layer 2 and the tensile outer layer 4 can effectively improve the overall strength of the outer part of the wire belt.
[0026] The material of the wear-resistant inner layer 5 is aramid, and the material of the tensile fiber 6 is carbon fiber. Carbon fiber has a relatively light weight and also has extremely high strength, which can effectively improve the stability of the line belt supporting the airbag.
[0027] The material of the tensile-resistant inner layer 7 is spandex, which can effectively improve the tensile resistance of the inner part of the line.
[0028] The material of the connecting bottom layer 8 is polytetrafluoroethylene, which can effectively improve the toughness of the outer part of the wire belt.
[0029] Working principle: The connecting mesh layer 1 can effectively improve the wear resistance and supporting stability of the outer part of the flexible cord of the airbag. At the same time, the wear-resistant outer layer 2 and the tensile outer layer 4 have good tensile properties, which can effectively improve the tensile resistance of the outer part of the cord. The triple structure of the wear-resistant outer layer 2, the wear-resistant inner layer 5 and the tensile fiber 6 can effectively improve the overall durability and tensile resistance of the cord, thereby improving the stability of the airbag after deployment.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A flexible cord for an automobile airbag, comprising a connecting bottom layer (8), the upper end surface of which is fixedly provided with a tensile inner layer (7), characterized in that: A wear-resistant inner layer (5), wherein the wear-resistant inner layer (5) is fixedly arranged on the upper end surface of the tensile inner layer (7), and tensile fibers (6) are equidistantly arranged on the inner end surface of the wear-resistant inner layer (5); A wear-resistant outer layer (2), the wear-resistant outer layer (2) being fixedly arranged on the upper end surface of the wear-resistant inner layer (5), and a composite groove (3) being provided on the inner end surface of the wear-resistant outer layer (2); A tensile outer layer (4) is fixedly arranged on the inner end surface of the wear-resistant outer layer (2) through the composite groove (3), and a connecting mesh layer (1) is arranged on the top end surface of the wear-resistant outer layer (2).
2. The flexible cable belt for automobile airbag according to claim 1, characterized in that: The material of the connecting mesh layer (1) is nylon, and the material of the wear-resistant outer layer (2) is polyester.
3. The flexible cable belt for automobile airbag according to claim 2, characterized in that: The material of the tensile outer layer (4) is polypropylene.
4. The flexible cable belt for automobile airbag according to claim 2, characterized in that: The material of the wear-resistant inner layer (5) is aramid, and the material of the tensile fiber (6) is carbon fiber.
5. The automobile airbag flexible cord according to claim 2, characterized in that: The material of the tensile inner layer (7) is spandex.
6. The flexible cable belt for automobile airbag according to claim 2, characterized in that: The material of the connecting bottom layer (8) is polytetrafluoroethylene.