Tire antiskid chain with tightening structure
By introducing the BOA knob and wire rope structure into the anti-skid chain, the problem of the cloth-covered anti-skid chain's installation position offset on the tire is solved, achieving a more stable anti-skid effect.
Patent Information
- Application Number
- CN202423244775.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing cloth-covered anti-skid chains are easily misaligned when installed on the tire, resulting in unstable anti-skid effects.
The BOA knob and wire rope structure are used to enhance the stability of the elastic belt through the tightening effect of wire rope 1 and wire rope 2. The guide block and U-shaped limit frame are used to ensure that the elastic belt is evenly tightened to prevent loosening.
The installation stability of the anti-skid chain on the tire is improved, the problem of position deviation during long-term use is avoided, and the anti-skid effect is enhanced.
Smart Images
Figure CN223478683U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a tire anti-skid chain with a tightening structure. Background Technology
[0002] Tire chains are anti-skid devices used on car tires, typically in snowy or muddy conditions, to increase tire-to-ground friction, prevent tire slippage, and ensure normal vehicle operation. Fabric-covered snow chains are one common type of tire chain. These chains are usually made of wear-resistant interwoven fabric and cover the tire surface, providing good anti-skid performance with minimal tire damage. Existing fabric-covered snow chains typically have circular openings on both sides for mounting the chain on the tire, with elastic bands at the edges to tighten the chain. However, the tightening effect of the elastic bands is limited, and impacts during tire movement can easily cause temporary loosening of the elastic bands. This can lead to misalignment of the fabric-covered snow chains over long-term use, affecting their anti-skid performance. Therefore, it is necessary to develop a tire chain with a tightening structure to solve these problems. Utility Model Content
[0003] The purpose of this invention is to provide a tire anti-skid chain with a tightening structure to solve the problems mentioned in the background art.
[0004] To solve the above problems, the present invention adopts the following technical solution:
[0005] A tire anti-skid chain with a tightening structure includes an anti-skid outer jacket. The outer jacket has circular openings on both its front and rear sides. Elastic bands are located at the edges of both circular openings. A threading gap is formed between the bent portion of the elastic band and the edge of the circular opening on the anti-skid outer jacket. Two BOA knobs are fixedly installed on the front side of the anti-skid outer jacket. A steel wire rope is installed within the threading gap between the elastic band on the front side of the anti-skid outer jacket and the edge of the circular opening. Two threading loops are located on the elastic band on the front side of the anti-skid outer jacket. The first wire rope has two ends that pass through two threading holes and are connected to the BOA knob. The second wire rope is located in the threading gap between the elastic band on the back of the anti-slip jacket and the edge of the circular opening. The elastic band on the back of the anti-slip jacket has two threading holes. The two ends of the second wire rope pass through the two threading holes. The front and back sides of the anti-slip jacket have through holes corresponding to the second wire rope. The two ends of the second wire rope pass through the through holes on the front and back sides of the anti-slip jacket and are connected to the BOA knob.
[0006] Preferably, the anti-slip outer sleeve has a guide block on its rear side, and the guide block has two L-shaped guide holes arranged in a mirror image, through which the two ends of the steel wire rope pass respectively.
[0007] Preferably, the guide block is provided with two U-shaped limiting frames, and each U-shaped limiting frame is connected to the guide block by a strap, the two ends of which are connected to the anti-slip cover.
[0008] Preferably, the inner side of the anti-slip outer jacket is provided with a restraining strip, the two sides of which are sewn to the anti-slip outer jacket, and the second steel wire rope passes through the anti-slip outer jacket and the restraining strip.
[0009] Preferably, the anti-slip outer jacket is made of nylon, and the elastic band is made of thermoplastic polyurethane.
[0010] The beneficial effects of this utility model are: This utility model can use BOA knob one and BOA knob two to control the tightening of steel wire rope one and steel wire rope two, thereby tightening the two elastic bands, thereby enhancing the stability of the two elastic bands when tightening the circular openings on the front and rear sides of the anti-slip outer jacket, making the anti-slip chain cover the tire more tightly and stably, and avoiding the problem of installation position displacement of the anti-slip chain during long-term use. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below, but this is not a limitation on the protection scope of this utility model.
[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0013] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;
[0014] Figure 3 This is a schematic diagram of the rear structure of the present invention;
[0015] Figure 4 This utility model Figure 3 Enlarged view of point B in the middle;
[0016] Figure 5 This utility model Figure 4 A schematic diagram of the structure of the middle guide block;
[0017] Figure 6 This utility model Figure 5 Schematic diagram of the L-shaped guide hole;
[0018] Figure 7 This is a cross-sectional structural diagram of the present invention;
[0019] Figure 8 This utility model Figure 7 Enlarged view of point C in the middle;
[0020] Figure 9 The figure of this utility model Figure 7 A schematic diagram showing the installation of the middle restrictive strip.
[0021] In the diagram: 11. Anti-slip cover; 12. Elastic band; 13. BOA knob one; 14. Steel wire rope one; 15. BOA knob two; 16. Steel wire rope two; 17. Threading hole one; 18. Threading hole two; 19. Guide block; 20. Straps; 21. L-shaped guide hole; 22. U-shaped restraint frame; 23. Restraining cloth strip; 24. Threading gap. Detailed Implementation
[0022] See Figures 1 to 9 The tire anti-skid chain shown includes an anti-skid outer sleeve 11. The anti-skid outer sleeve 11 has circular openings on both its front and rear sides. Elastic bands 12 are provided at the edges of both circular openings. A threading gap 24 is formed between the bent portion of the elastic band 12 and the edge of the circular opening on the anti-skid outer sleeve 11. A BOA knob 13 and a BOA knob 2 15 are fixedly installed on the front side of the anti-skid outer sleeve 11. A steel wire rope 14 is installed within the threading gap 24 between the elastic band 12 and the edge of the circular opening on the front side of the anti-skid outer sleeve 11. Two threads are provided on the elastic band 12 on the front side of the anti-skid outer sleeve 11. Hole 17, the two ends of the steel wire rope 14 pass through the two threading holes 17 respectively and are connected to the BOA knob 13. A steel wire rope 16 is provided in the threading gap 24 between the elastic band 12 on the back side of the anti-slip jacket 11 and the edge of the circular opening. Two threading holes 18 are provided on the elastic band 12 on the back side of the anti-slip jacket 11. The two ends of the steel wire rope 16 pass through the two threading holes 18 respectively. The front and back sides of the anti-slip jacket 11 are provided with through holes corresponding to the steel wire rope 16. The two ends of the steel wire rope 16 pass through the through holes on the front and back sides of the anti-slip jacket 11 and are connected to the BOA knob 15.
[0023] BOA knob 13 and BOA knob 25 directly adopt the commonly available BOA knobs on the market. The structure of BOA knob 13 and BOA knob 25, the connection method between BOA knob 13 and wire rope 14, and the connection method between BOA knob 25 and wire rope 26 are all existing technologies. When in use, tightening BOA knob 13 and BOA knob 25 will tighten wire rope 14 and wire rope 26 respectively, and loosening BOA knob 13 and BOA knob 25 will loosen wire rope 14 and wire rope 26 respectively.
[0024] Furthermore, a guide block 19 is provided on the rear side of the anti-slip outer sleeve 11. Two L-shaped guide holes 21 are mirror-shaped inside the guide block 19. The two ends of the steel wire rope 16 pass through the two L-shaped guide holes 21 respectively. When the BOA knob 15 is tightened, the tightening effect of the BOA knob 15 on the steel wire rope 16 is transmitted from the front side of the anti-slip outer sleeve 11 to the rear side of the anti-slip outer sleeve 11. The tightening direction of the steel wire rope 16 is basically in a single direction. The steel wire rope 16 passing through the two L-shaped guide holes 21 is separated to both sides. The tightening effect of the BOA knob 15 on the steel wire rope 16 is divided to both sides by the two L-shaped guide holes 21, so that the steel wire rope 16 can pull the elastic band 12 to tighten from two directions. The elastic band 12 is subjected to relatively uniform force, which is conducive to the elastic band 12 tightening into a ring shape and prevents the elastic band 12 from being overstretched locally due to the force in a single direction.
[0025] Furthermore, the guide block 19 is provided with two U-shaped limiting frames 22, and each U-shaped limiting frame 22 is connected to the guide block 19 by a strap 20. The two ends of the strap 20 are connected to the anti-slip cover 11. The guide block 19 is tied to the anti-slip cover 11 by the two straps 20, so that the guide block 19 can be stably installed on the back of the anti-slip cover 11.
[0026] Furthermore, the inner side of the anti-slip jacket 11 is provided with a limiting strip 23, and the two sides of the limiting strip 23 are sewn to the anti-slip jacket 11. The steel wire rope 16 passes between the anti-slip jacket 11 and the limiting strip 23. The steel wire rope 16 runs from the BOA knob 15 on the front side of the anti-slip jacket 11 to the threading gap 24 between the elastic band 12 on the back side of the anti-slip jacket 11 and the edge of the circular opening. The steel wire rope 16 is bound between the limiting strip 23 and the anti-slip jacket 11 to prevent the part of the steel wire rope 16 located on the inner side of the anti-slip jacket 11 from running around.
[0027] Furthermore, the anti-slip jacket 11 is made of nylon, and the elastic band 12 is made of thermoplastic polyurethane; the nylon anti-slip jacket 11 has good anti-slip performance and excellent wear resistance; the thermoplastic polyurethane elastic band 12 has good elasticity, high strength, and strong anti-aging ability.
[0028] The working principle of this utility model is as follows: When the anti-skid chain is installed on the tire, the anti-skid cover 11 is placed on the tire, with the front side of the anti-skid cover 11 corresponding to the outward-facing side of the tire. This ensures that both BOA knob 13 and BOA knob 2 15 are located on the outward-facing side of the tire, facilitating their operation. When the anti-skid cover 11 is on the tire, tightening BOA knob 13 tightens the steel wire rope 14, which in turn pulls the elastic band 12 on the front of the anti-skid cover 11, causing it to tighten as well. Simultaneously, tightening BOA knob 2 15 tightens the steel wire rope 16. BOA knob 2 15... The tightening effect of steel wire rope 16 is transmitted from the front side of the anti-slip jacket 11 to the rear side of the anti-slip jacket 11. The tightening effect of BOA knob 15 on steel wire rope 16 is directed to both sides by two L-shaped guide holes 21, so that steel wire rope 16 can pull the elastic band 12 to tighten from two directions respectively. At this time, the tightening effect of steel wire rope 14 and steel wire rope 16 on the two elastic bands 12 enhances the stability of the two elastic bands 12 when tightening the circular openings on the front and rear sides of the anti-slip jacket 11, making the anti-slip chain cover the tire more tightly and stably, and avoiding the problem of installation position displacement of the anti-slip chain during long-term use.
[0029] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.
Claims
1. A tire anti-skid chain with a tightening structure, characterized in that: The product includes a non-slip jacket. The jacket has circular openings on both the front and back sides. Elastic bands are located at the edges of both openings. A threading gap is formed between the bent portion of the elastic band and the edge of the circular opening on the jacket. Two BOA knobs are fixedly installed on the front side of the jacket. A steel wire rope is installed within the threading gap between the elastic band and the edge of the circular opening on the front side of the jacket. Two threading holes are provided on the elastic band on the front side of the jacket. Two ends of the first wire rope pass through two threading holes and are connected to the first BOA knob. A second steel wire rope is provided in the threading gap between the elastic band on the back of the anti-slip jacket and the edge of the circular opening. Two threading holes are provided on the elastic band on the back of the anti-slip jacket. The two ends of the second steel wire rope pass through the two threading holes. The front and back sides of the anti-slip jacket are provided with through holes corresponding to the second steel wire rope. Both ends of the second steel wire rope pass through the through holes on the front and back sides of the anti-slip jacket and are connected to the second BOA knob.
2. The tire anti-skid chain with a tightening structure according to claim 1, characterized in that: The anti-slip outer jacket has a guide block on its rear side, and the guide block has two L-shaped guide holes arranged in a mirror shape. The two ends of the steel wire rope pass through the two L-shaped guide holes respectively.
3. A tire anti-skid chain with a tightening structure according to claim 2, characterized in that: The guide block is equipped with two U-shaped restraint frames, and each U-shaped restraint frame is connected to the guide block by a strap, the two ends of which are connected to the anti-slip cover.
4. A tire anti-skid chain with a tightening structure according to claim 1, characterized in that: The inner side of the anti-slip jacket is provided with a restraining strip, and the two sides of the restraining strip are sewn to the anti-slip jacket. The steel wire rope passes through the anti-slip jacket and the restraining strip.
5. A tire anti-skid chain with a tightening structure according to claim 1, characterized in that: The anti-slip outer jacket is made of nylon, and the elastic band is made of thermoplastic polyurethane.