Tire protection chain with extension function

Abstract

The utility model discloses a tire protection chain with an extension function, which belongs to the technical field of tire protection chains, and comprises a protection chain body and connecting rods welded with the protection chain body, an extension sleeve rod and an adjusting sleeve are respectively connected between two adjacent connecting rods, and the extension sleeve rod and the adjusting sleeve are connected with the protection chain body. A plurality of clamping grooves are annularly formed in the outer wall of the extending sleeve rod, the multiple clamping grooves are formed in the axial position of the extending sleeve rod at equal intervals, a plurality of notches are formed in the port position of the adjusting sleeve pipe, and the multiple notches are formed in the radial position of the adjusting sleeve pipe, so that the protection chain body can be extended and adjusted according to tires of different sizes at the root of the protection chain body; the protection chain is not scratched and punctured by sharp stones, the service life of the tire is prolonged, the protection chain is not deformed and is low in breakage rate due to a special welding process, and the protection chain has the advantages of simple structure, convenience in installation and good use effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire protection chain technical field, more specifically, relate to a kind of tire protection chain with extension function. BACKGROUND

[0002] Tire protection chain is a kind of device specially designed for protecting tire, usually made of high-strength alloy steel and other materials, carefully crafted by precision casting and special welding process. Its main role is to protect tire from external damage, especially in complex and harsh road conditions, such as mine, construction site and other environments, can effectively prevent sharp stone and metal fragments and other objects from causing damage to tire, thereby prolonging the service life of tire, and enhancing the friction between tire and ground, to ensure driving safety.

[0003] Because automobile tire has different specifications, different length of protection chain is needed, which leads to the protection chain cannot have universality, in order to make the protection chain applicable to different specifications of automobile tire, so we propose a kind of tire protection chain with extension function to solve the above problems. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a kind of tire protection chain with extension function, which can extend and adjust the protection chain body according to different sizes of tire, not be scratched and pierced by sharp stone, prolong the service life of tire, special welding process makes the protection chain not deformed and has low damage rate, has the advantages of simple structure, convenient installation and good use effect.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] A kind of tire protection chain with extension function, including protection chain body and the connecting rod connected with the protection chain body by welding, two adjacent connecting rods are connected with extension sleeve rod and adjusting sleeve respectively;

[0009] The outer wall of the extension sleeve rod is provided with a clamping groove, and a plurality of clamping grooves are equidistantly arranged in the axial position of the extension sleeve rod;

[0010] The port part of the adjusting sleeve is provided with a notch, and a plurality of notches are arranged in the radial position of the adjusting sleeve, the inner side of the notch is provided with a clamping jaw integrally formed with the adjusting sleeve, the end of the clamping jaw is integrally formed with a clamping joint matched with the clamping groove, and the outer wall of the adjusting sleeve and the clamping jaw is provided with external threads;

[0011] A hexagonal locking sleeve is fitted on the outer side of the external thread, and an internal thread is provided on the inner wall of the hexagonal locking sleeve to be screwed into the external thread.

[0012] Furthermore, a limiting flange is integrally formed at the edge of the port of the adjusting sleeve, and a rubber gasket is provided on one side of the limiting flange and fitted on the outside of the adjusting sleeve.

[0013] Furthermore, the end face of the hexagonal locking sleeve is integrally formed with reverse teeth that tightly abut against the rubber gasket, and multiple reverse teeth are provided in the radial position of the hexagonal locking sleeve.

[0014] Furthermore, the inner end walls of the extension sleeve and the adjusting sleeve are both fixedly connected to limit blocks, and the limit blocks are welded to the end of the connecting rod.

[0015] Furthermore, there are three notches, and the angle between the centerline of two adjacent notches and the axis of the adjusting sleeve is 120°.

[0016] Furthermore, the end portion of the card connector is chamfered, and the beveled surface of the chamfer abuts against the edge portion of the card slot.

[0017] Furthermore, the extension sleeve is inserted into the adjusting sleeve, and the outer diameter of the extension sleeve is adapted to the inner diameter of the adjusting sleeve.

[0018] 3. Beneficial Effects

[0019] Compared with existing technologies, the advantages of this utility model are:

[0020] (1) In this solution, by connecting the extension sleeve and the adjustment sleeve, the position of the locking head and the corresponding slot on the claw is found according to the size of the tire. The internal thread and the external thread are used to make the hexagonal locking sleeve and the adjustment sleeve screwed together to tighten the claw, so that the locking head and the slot are tightly engaged. Thus, the protective chain body can be extended and adjusted according to the tires of different sizes. It can effectively protect the tires of the car from being scratched and punctured by sharp stones, and extend the service life of the tires. The special welding process makes the protective chain not deformed and has a low breakage rate. It has the advantages of simple structure, convenient installation and good use effect.

[0021] (2) In this scheme, during the process of screwing the hexagonal locking sleeve, the limiting flange set at the end of the adjusting sleeve is used to squeeze the rubber washer. At the same time, the reverse teeth are used to fit tightly with the rubber washer, which can effectively prevent the hexagonal locking sleeve from turning back and loosening, and ensure the stability of the engagement between the claw and the slot. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the extension sleeve structure of this utility model;

[0024] Figure 3 This is a front view schematic diagram of the adjusting sleeve of this utility model;

[0025] Figure 4 This is a cross-sectional schematic diagram of the adjusting sleeve AA of this utility model;

[0026] Figure 5 This is a schematic diagram of the external structure of the adjusting sleeve of this utility model;

[0027] Figure 6 This is an enlarged schematic diagram of part A of the present invention;

[0028] Figure 7 This is a schematic diagram of the hexagonal locking sleeve structure of this utility model.

[0029] Explanation of the labels in the diagram:

[0030] 1. Protective chain body; 2. Connecting rod; 3. Extension sleeve; 4. Adjusting sleeve; 5. Limiting block; 6. Slot; 7. Claw; 8. Connector; 9. External thread; 10. Hexagonal locking sleeve; 11. Internal thread; 12. Back teeth; 13. Rubber washer. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0032] Example:

[0033] Please see Figures 1-7 A tire protection chain with an extension function includes a protection chain body 1 and a connecting rod 2 welded to the protection chain body 1. An extension sleeve 3 and an adjusting sleeve 4 are respectively connected between two adjacent connecting rods 2.

[0034] The outer wall of the extension sleeve 3 is provided with a groove 6, and multiple grooves 6 are equidistantly arranged at the axial position of the extension sleeve 3;

[0035] The port of the adjusting sleeve 4 is provided with a notch, and multiple notches are provided in the radial position of the adjusting sleeve 4. The inner side of the notch is provided with a claw 7 integrally formed with the adjusting sleeve 4. The end of the claw 7 is integrally formed with a snap connector 8 that engages with the snap groove 6. The outer walls of the adjusting sleeve 4 and the claw 7 are provided with external threads 9.

[0036] A hexagonal locking sleeve 10 is fitted on the outer side of the external thread 9, and an internal thread 11 is provided on the inner wall of the hexagonal locking sleeve 10 to be screwed into the external thread 9.

[0037] It should be noted that, in use, this tire protection chain with extension function has an extension sleeve 3 and an adjusting sleeve 4 installed between every two adjacent connecting rods 2. By connecting the extension sleeve 3 and the adjusting sleeve 4, the position of the locking head 8 on the claw 7 and the corresponding locking groove 6 are found according to the tire size. The hexagonal locking sleeve 10 is screwed with the adjusting sleeve 4 using the internal thread 11 and the external thread 9 to tighten the claw 7, thereby making the locking head 8 and the locking groove 6 tightly engaged. This allows the protection chain body 1 to be extended and adjusted according to tires of different sizes. Installing this utility model on the tire can effectively protect the car tire from being scratched or punctured by sharp stones, extending the tire's service life. The special welding process ensures that the protection chain will not deform and has a low breakage rate. It has the advantages of simple structure, convenient installation, and good performance.

[0038] like Figure 1 , Figure 5 , Figure 7 As shown, a limiting flange is integrally formed at the edge of the port of the adjusting sleeve 4, and a rubber washer 13 is provided on one side of the limiting flange and sleeved on the outside of the adjusting sleeve 4. The end face of the hexagonal locking sleeve 10 is integrally formed with a reverse tooth 12 that abuts tightly against the rubber washer 13, and multiple reverse teeth 12 are provided in the radial position of the hexagonal locking sleeve 10.

[0039] It should be noted that during the process of screwing the hexagonal locking sleeve 10, the limiting flange set at the end of the adjusting sleeve 4 is used to squeeze the rubber washer 13. At the same time, the reverse teeth 12 are used to fit tightly with the rubber washer 13, which can effectively prevent the hexagonal locking sleeve 10 from turning back and loosening, and ensure the stability of the engagement between the claw 7 and the slot 6.

[0040] like Figure 4 As shown, the inner end walls of the extension sleeve 3 and the adjusting sleeve 4 are both fixedly connected to the limiting block 5, and the limiting block 5 is welded to the end of the connecting rod 2.

[0041] It should be noted that the stability of the connection between the connecting rod 2 and the extension sleeve 3 and the adjusting sleeve 4 is ensured.

[0042] like Figure 1 , Figure 5 ,Figure 6 As shown, there are three notches, and the angle between the centerline of two adjacent notches and the axis of the adjusting sleeve 4 is 120°. The end of the snap connector 8 is chamfered, and the bevel of the chamfer abuts against the edge of the slot 6. The extension rod 3 is inserted into the adjusting sleeve 4, and the outer diameter of the extension rod 3 is compatible with the inner diameter of the adjusting sleeve 4.

[0043] It should be noted that the chamfered bevel at the end of the snap connector 8 abuts against the edge of the snap slot 6, facilitating the insertion and removal of the extension sleeve 3 and the adjusting sleeve 4.

[0044] In use: By connecting the extension sleeve 3 with the adjusting sleeve 4, the position of the locking connector 8 on the claw 7 and the corresponding locking groove 6 is found according to the tire size. The internal thread 11 and the external thread 9 are used to make the hexagonal locking sleeve 10 and the adjusting sleeve 4 to be screwed together, so that the claw 7 is tightened, thereby making the locking connector 8 and the locking groove 6 tightly engaged. In this way, the protective chain body 1 can be extended and adjusted according to different tire sizes. Installing this utility model on the tire can effectively protect the car tire from being scratched or punctured by sharp stones.

[0045] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A tire protection chain with an extension function, comprising a protection chain body (1) and a connecting rod (2) welded to the protection chain body (1), characterized in that: An extension sleeve (3) and an adjusting sleeve (4) are respectively connected between two adjacent connecting rods (2); The outer wall of the extension sleeve (3) is provided with a groove (6), and multiple grooves (6) are provided at equal intervals in the axial position of the extension sleeve (3). The adjusting sleeve (4) has a notch at its port, and multiple notches are provided in the radial position of the adjusting sleeve (4). A claw (7) integrally formed with the adjusting sleeve (4) is provided on the inner side of the notch. A snap connector (8) integrally formed at the end of the claw (7) engages with the snap groove (6). External threads (9) are provided on the outer walls of the adjusting sleeve (4) and the claw (7). The outer side of the external thread (9) is fitted with a hexagonal locking sleeve (10), and the inner wall of the hexagonal locking sleeve (10) is provided with an internal thread (11) that is screwed into the external thread (9).

2. The tire protection chain with extension function according to claim 1, characterized in that: The port edge of the adjusting sleeve (4) is integrally formed with a limiting flange, and a rubber gasket (13) is provided on one side of the limiting flange and sleeved on the outside of the adjusting sleeve (4).

3. A tire protection chain with an extension function according to claim 2, characterized in that: The end face of the hexagonal locking sleeve (10) is integrally formed with a reverse tooth (12) that closely abuts against the rubber gasket (13), and multiple reverse teeth (12) are provided in the radial position of the hexagonal locking sleeve (10).

4. A tire protection chain with an extension function according to claim 1, characterized in that: The inner end walls of the extension sleeve (3) and the adjustment sleeve (4) are both fixedly connected to the limiting block (5), and the limiting block (5) is welded to the end of the connecting rod (2).

5. A tire protection chain with an extension function according to claim 1, characterized in that: Specifically, three notches are provided, and the angle between the centerline of two adjacent notches and the axis of the adjusting sleeve (4) is 120°.

6. A tire protection chain with an extension function according to claim 1, characterized in that: The end of the card connector (8) is chamfered, and the bevel of the chamfer abuts against the edge of the card slot (6).

7. A tire protection chain with an extension function according to claim 1, characterized in that: The extension sleeve (3) is inserted into the adjusting sleeve (4), and the outer diameter of the extension sleeve (3) is adapted to the inner diameter of the adjusting sleeve (4).

Images