Detachable antiskid chain

Abstract

The utility model discloses a detachable antiskid chain, which belongs to the technical field of chains and comprises two outer chain plates and two groups of inner chain plates, mounting holes are formed in the side surfaces, far away from each other, of the two outer chain plates, two sleeves are fixedly embedded in the inner wall of each group of inner chain plates, a roller is sleeved on the outer surface of each sleeve, and the roller is sleeved on the inner wall of each group of inner chain plates. The outer surface of each roller is fixedly connected with a wear-resistant rubber coating layer, the inner walls of the two sleeves are sleeved with connecting pin shafts, and through the sleeves, the connecting pin shafts, external threads, fastening nuts, plug pin holes and plug pins, bolt installation of the connecting pin shafts can be achieved, quick disassembly and assembly of the outer chain plates are achieved, disassembly and assembly of the chain are facilitated, and the service life of the chain is prolonged. The fastening bolts can be blocked and limited through cooperation of the bolt holes and the bolt nails, the fastening bolts are effectively prevented from falling off, stable use of the chain is facilitated, and through the rollers, the wear-resistant rubber coating layers and the anti-skid lines, the anti-skid and wear-resistant performance of the rollers can be improved, and stable use of the chain is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of chains, in particular to a detachable anti-skid chain. Background Art

[0002] A chain is a transmission device composed of a series of metal rings. Through the rotation of the chain, power can be transferred from one sprocket to another, realizing the transmission and distribution of power. It is mostly used for mechanical transmission and traction. It is a chain-shaped object used to block traffic channels (such as in streets, rivers or harbor entrances). The chain used for mechanical transmission, the existing chain outer link plate and chain pin cannot be disassembled, the outer link plate cannot be replaced if damaged, and the existing chain has weak anti-slip ability.

[0003] Among them, the Chinese patent with announcement number CN212202979U discloses a detachable anti-skid chain, but the above patent still has certain shortcomings when used. The outer link plate is disassembled by threaded connection, but when the chain is used for a long time, the threaded connection is prone to loosening and falling off, which is not convenient for the safe and stable use of the chain. Therefore, those skilled in the art provide a detachable anti-skid chain to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a detachable anti-skid chain to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A detachable anti-skid chain comprises two outer link plates and two groups of inner link plates, the two outer link plates are provided with mounting holes on their side faces away from each other, the inner walls of each group of inner link plates are fixedly inlaid with two sleeves, the outer surface of each sleeve is sleeved with rollers, the outer surface of each roller is fixedly connected with a wear-resistant rubber coating, the inner walls of the two sleeves are sleeved with connecting pins, the front end and the rear end of each connecting pin penetrate the mounting holes and extend to the outside of the outer link plates, the front end outer surface and the rear end outer surface of each connecting pin are provided with external threads, and the front and rear ends of each connecting pin are threadedly connected with fastening nuts.

[0007] As a further solution of the utility model: a pin hole is provided on the front end outer surface of each connecting pin shaft and the rear end outer surface of the connecting pin shaft, and a pin nail is clamped on the inner wall of each pin hole.

[0008] As a further solution of the utility model: the wear-resistant rubber coating is made of polymer wear-resistant rubber material.

[0009] As a further solution of the utility model: a group of anti-slip grooves are provided on the outer surface of each of the wear-resistant rubber coating layers.

[0010] As a further solution of the utility model: the inner wall of each group of inner link plates is provided with two groups of liquid storage tanks, and the liquid storage tanks are elliptical tanks.

[0011] As a further solution of the utility model: a model mark is provided on the front side of one of the two outer link plates, and the model mark is located in the upper middle part of the outer link plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The detachable anti-skid chain can realize the bolt installation of the connecting pin shaft through the sleeve, the connecting pin shaft, the external thread, the fastening nut, the pin hole and the pin nail, and realize the rapid disassembly and assembly of the outer chain plate, which is convenient for the disassembly and assembly of the chain. The cooperation of the pin hole and the pin nail can block and limit the fastening bolt, effectively avoiding the falling off of the fastening bolt, which is convenient for the stable use of the chain. The rollers, wear-resistant rubber coating and anti-skid patterns can increase the anti-skid and wear-resistant performance of the rollers, which is convenient for the stable use of the chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a detachable anti-skid chain;

[0015] Figure 2 A top view of an outer chain plate in a detachable anti-skid chain;

[0016] Figure 3 It is a cross-sectional view of a front view of a sleeve in a detachable anti-skid chain;

[0017] Figure 4 It is a cross-sectional view of a top view of the outer chain plates in a detachable anti-skid chain.

[0018] In the figure: 1. Outer link plate; 2. Pin hole; 3. Connecting pin; 4. Model mark; 5. Fastening nut; 6. Pin; 7. Inner link plate; 8. Sleeve; 9. Liquid storage tank; 10. Wear-resistant rubber coating; 11. Anti-skid pattern; 12. Roller; 13. Mounting hole. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, a detachable anti-skid chain comprises two outer link plates 1 and two groups of inner link plates 7. The two outer link plates 1 are provided with mounting holes 13 on one side away from each other. The mounting holes 13 facilitate the installation of the outer link plates 1. The inner wall of each group of inner link plates 7 is fixedly inlaid with two sleeves 8. The outer surface of each sleeve 8 is sleeved with rollers 12. The outer surface of each roller 12 is fixedly connected with a wear-resistant rubber coating 10. The wear-resistant rubber coating 10 can increase the wear resistance of the roller 12. The inner walls of the two sleeves 8 are sleeved with connecting pins 3. The front end and the rear end of each connecting pin 3 pass through the mounting hole 13 and extend to the outside of the outer link plate 1. The front end outer surface and the rear end outer surface of each connecting pin 3 are provided with external threads. The front and rear ends of each connecting pin 3 are threadedly connected with a fastening nut 5. The connecting pin 3 can be bolted by the fastening nut 5, which is convenient for the assembly and disassembly operation of the chain.

[0022] The front end outer surface of each connecting pin shaft 3 and the rear end outer surface of the connecting pin shaft 3 are provided with a pin hole 2, and the inner wall of each pin hole 2 is clamped with a pin nail 6, which can limit the fastening nut 5 to prevent it from falling off, thereby facilitating the stable use of the chain. The wear-resistant rubber coating 10 is made of polymer wear-resistant rubber material, which can increase the wear resistance of the roller 12. The outer surface of each wear-resistant rubber coating 10 is provided with a group of anti-slip grooves 11, which can increase the anti-slip performance of the chain.

[0023] The inner wall of each group of inner link plates 7 is provided with two groups of liquid storage tanks 9, which are elliptical tanks and can store lubricating liquid to increase the lubrication effect of the chain. The front of one of the two outer link plates 1 is provided with a model mark 4, which is located in the middle and upper part of the outer link plate 1, and can explain the model of the chain, so as to facilitate the use of the chain by the staff.

[0024] The working principle of the utility model is: when in use, first sleeve the roller 12 on the outside of the sleeve 8, then align the outer link plate 1 and the inner link plate 7, pass the connecting pin shaft 3 through the mounting hole 13 and the sleeve 8, and threadedly connect the fastening nut 5, then insert the plug nail 6 into the inside of the plug hole 2 to complete the assembly of the chain, utilize the wear-resistant rubber coating layer 10 to increase the wear resistance and anti-skid performance of the roller 12, and realize the anti-skid and stable use of the chain, when the chain needs to be replaced and disassembled, take out the plug nail 6, loosen the fastening nut 5, and untie the connecting pin shaft 3, so as to realize the rapid disassembly and replacement of the chain.

[0025] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A detachable anti-skid chain, comprising two outer link plates (1) and two sets of inner link plates (7), characterized in that: The two outer link plates (1) are provided with mounting holes (13) on their side surfaces away from each other. The inner wall of each group of inner link plates (7) is fixedly inlaid with two sleeves (8). The outer surface of each sleeve (8) is sleeved with a roller (12). The outer surface of each roller (12) is fixedly connected with a wear-resistant rubber coating (10). The inner walls of the two sleeves (8) are sleeved with connecting pins (3). The front end and the rear end of each connecting pin (3) pass through the mounting hole (13) and extend to the outside of the outer link plates (1). The front end and the rear end of each connecting pin (3) are provided with external threads. The front and rear ends of each connecting pin (3) are threadedly connected with fastening nuts (5).

2. A detachable anti-skid chain according to claim 1, characterized in that: A pin hole (2) is provided on the front end outer surface of each connecting pin shaft (3) and the rear end outer surface of each connecting pin shaft (3), and a pin nail (6) is clamped on the inner wall of each pin hole (2).

3. A detachable anti-skid chain according to claim 1, characterized in that: The wear-resistant rubber coating (10) is made of polymer wear-resistant rubber material.

4. A detachable anti-skid chain according to claim 1, characterized in that: The outer surface of each wear-resistant rubber coating layer (10) is provided with a group of anti-slip grooves (11).

5. The detachable anti-skid chain according to claim 1, characterized in that: The inner wall of each group of inner link plates (7) is provided with two groups of liquid storage grooves (9), and the liquid storage grooves (9) are elliptical grooves.

6. A detachable anti-skid chain according to claim 1, characterized in that: A model mark (4) is provided on the front side of one of the two outer link plates (1), and the model mark (4) is located in the upper middle part of the outer link plate (1).

Images