Chain convenient to disassemble

By introducing connecting shafts, threaded joints, and snap rings into the chain, the problem of difficult disassembly of existing chains has been solved, enabling quick disassembly and assembly and improving the ease of use of the chain.

CN223953177UActive Publication Date: 2026-02-27QUANZHOU JIANGNAN DONGFENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520911945.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-10
Publication Date
2026-02-27
Estimated Expiration
2035-05-10

AI Technical Summary

Technical Problem

Existing chain connection methods are inefficient, difficult to disassemble, and require auxiliary tools, affecting user experience and applicability.

Method used

The chain is designed with a connecting shaft, threaded joint, snap ring, and return spring to enable quick disassembly and assembly. The threaded and snap-fit ​​connections simplify the disassembly process.

Benefits of technology

It enables quick disassembly and assembly of the chain, improving flexibility, eliminating the need for auxiliary tools, and enhancing the user experience and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a chain convenient to disassemble, and relates to the technical field of chains. The chain comprises a first chain plate, a second chain plate distributed at one end of the first chain plate, a roller distributed at one side, far away from the first chain plate, of the second chain plate, a third chain plate distributed at the other end of the roller, and a fourth chain plate distributed at one end, far away from the roller, of the third chain plate, connectors are distributed on the sides, away from the second chain plates, of the first chain plates, connecting shaft rods are connected to one ends of the connectors, threaded grooves are formed in the outer surfaces of the ends, away from the connectors, of the connecting shaft rods, and the outer sides of the ends of the connecting shaft rods are sleeved with threaded connectors. By arranging the connecting shaft rod, the threaded connector, the clamping ring and other structures, the chain can be conveniently and rapidly disassembled and assembled subsequently, compared with an existing connecting mode, the chain is easier to disassemble and higher in flexibility, the chain can be disassembled without the help of auxiliary tools, and the whole chain is more practical.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to chain technical field, especially a chain convenient to dismount. BACKGROUND

[0002] Chain is generally metal chain ring or annular, and is mostly used for mechanical transmission and traction. Chain is used for obstructing traffic passage (such as in the street, river or harbor entrance) and mechanical transmission. Chain can be divided into short-pitch precision roller chain, short-pitch precision roller chain, heavy-load transmission bending plate roller chain, cement machinery chain, plate chain and high-strength chain.

[0003] However, the existing chain is mostly connected directly through a connecting piece, and such a connecting mode is not only low in efficiency, but also difficult to dismount, so when part of the chain is damaged and needs to be dismounted and replaced, the use of auxiliary tools is needed, which is not only time-consuming and laborious, but also greatly reduces the user's experience, and the applicability of the chain is not good. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a chain convenient to dismount, which can effectively solve the problems of the prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a chain convenient to dismount, which comprises a first chain plate, a second chain plate distributed at one end of the first chain plate, a roller distributed at one side of the second chain plate away from the first chain plate, a third chain plate distributed at the other end of the roller and a fourth chain plate distributed at one end of the third chain plate away from the roller.

[0007] Further, the first chain plate is provided with a connecting head distributed at one side away from the second chain plate, one end of the connecting head is connected with a connecting shaft rod, a threaded groove is formed in the outer surface of one end of the connecting shaft rod away from the connecting head, a threaded joint is sleeved on the outer side of one end of the connecting shaft rod, a clamping ring is fixedly arranged on the surface of one end of the threaded joint, a reset spring is fixedly connected in the inner cavity of the clamping ring, one end of the reset spring is fixedly connected with a positioning rod, an auxiliary sliding plate is sleeved on the outer side of one end of the positioning rod, and a push block is fixedly arranged on the surface of the auxiliary sliding plate.

[0008] Further, a through hole is formed in the surface of the first chain plate, and a groove is formed in the periphery of the through hole; a ring-shaped groove is formed in one side of the fourth chain plate away from the third chain plate; and positioning holes are formed in the surfaces of both ends of the fourth chain plate.

[0009] Further, a hole with a diameter size matching the outer diameter size of the connecting shaft rod is formed in the inner side of the roller, and the connecting shaft rod penetrates the inner side of the roller.

[0010] Further, the threaded joint is provided with an inner thread in the middle of the side close to the connecting shaft, and the threaded joint is connected with the threaded groove on the outer side of the connecting shaft through the inner thread.

[0011] Further, the outer diameter of the clamping ring is matched with the inner diameter of the annular groove, and the positioning holes are symmetrically distributed along the transverse center line of the clamping ring.

[0012] Further, the positioning rod is connected with the clamping ring through the return spring, and the outer diameter of the positioning rod is matched with the inner diameter of the positioning hole.

[0013] The utility model has the following beneficial effects:

[0014] The utility model discloses a connecting shaft, threaded joint and clamping ring and other structures, which can conveniently realize the quick disassembly and assembly of the chain, are more easily disassembled and have higher flexibility, and do not need to use auxiliary tools to realize the disassembly of the chain, and are more practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed for the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to the drawings without creating labor.

[0016] Figure 1 It is a schematic view of the utility model;

[0017] Figure 2 It is a fourth chain plate side view schematic view of the utility model;

[0018] Figure 3 It is a threaded joint side view schematic view of the utility model;

[0019] Figure 4 It is a threaded joint cross section schematic view of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, first chain plate;2, second chain plate;3, roller;4, third chain plate;5, fourth chain plate;6, connecting head;7, connecting shaft;8, threaded groove;9, threaded joint;10, clamping ring;11, return spring;12, positioning rod;13, auxiliary sliding plate;14, push block;15, through hole;16, recess;17, annular groove;18, positioning hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0023] Please refer to Figures 1-4 The utility model discloses a chain convenient to detach, including first chain plate 1, the second chain plate 2 of first chain plate 1 one end distribution, the roller 3 of second chain plate 2 far from first chain plate 1 one side distribution, the third chain plate 4 of roller 3 another end distribution and the fourth chain plate 5 of third chain plate 4 far from roller 3 one end distribution,

[0024] Still include: first chain plate 1 far from second chain plate 2 one side distribution has the connecting head 6, and the one end of connecting head 6 is connected with the connecting axle rod 7, and the outer surface of the one end of connecting axle rod 7 far from connecting head 6 is provided with the thread groove 8, and the one end of connecting axle rod 7 outside is equipped with the threaded joint 9, and the one end surface of threaded joint 9 is fixed with the clamping ring 10, and the outer diameter size of clamping ring 10 is compatible with the inner diameter size of annular groove 17, and the inner chamber of clamping ring 10 is fixedly connected with reset spring 11, and the other end of reset spring 11 is fixedly connected with the locating rod 12, and the outer diameter size of locating rod 12 is compatible with the inner diameter size of locating hole 18, and locating rod 12 is slidably connected with clamping ring 10 through reset spring 11, and the lateral wall of clamping ring 10 is provided with the sliding slot for the sliding of the push block 14, and the one end outside of locating rod 12 is equipped with the auxiliary sliding plate 13, and the surface of auxiliary sliding plate 13 is fixedly provided with the push block 14;

[0025] When working, first, the second chain plate 2 is placed on one side of the first chain plate 1, at this time, the through hole 15 opened on one side of the second chain plate 2 is aligned with the through hole 15 opened on one side of the first chain plate 1, so that they are on the same horizontal line, then the roller 3 is placed on one side of the second chain plate 2, and the center line of the roller 3 is aligned with the through hole 15, and the third chain plate 4 and the fourth chain plate 5 are placed on the other side of the roller 3, when the multiple structures are aligned, the connecting rod 6 drives the connecting shaft 7 to move, so that the connecting shaft 7 penetrates the inner side of the first chain plate 1, the second chain plate 2, the roller 3, the third chain plate 4 and the fourth chain plate 5, and extends on the other side of the fourth chain plate 5, then the threaded joint 9 is sleeved on the end of the connecting shaft 7 extending out, and the threaded groove 8 is arranged to threadedly connect the threaded joint 9 and the connecting shaft 7, when the threaded joint 9 is connected with the connecting shaft 7, the clamping ring 10 is input into the annular groove 17 opened on the side wall of the fourth chain plate 5, then the longitudinal force applied to the push block 14 is loosened, at this time, the reverse force generated by the deformation of the reset spring 11 pushes the positioning rod 12 in the opposite direction, so that the positioning rod 12 moves longitudinally in the inner side of the clamping ring 10, and the auxiliary sliding plate 13 moves with the movement of the positioning rod 12, so as to improve the stability of the positioning rod 12 during movement, then one end of the positioning rod 12 is input into the inner side of the positioning hole 18, so as to realize the positioning of the threaded joint 9, thereby realizing the assembly of the chain.

[0026] The surface of the first chain plate 1 is provided with a through hole 15, and the periphery of the through hole 15 is communicated with a groove 16, the groove 16 is equidistantly distributed along the center point of the through hole 15, the side away from the third chain plate 4 of the fourth chain plate 5 is provided with an annular groove 17, the inner diameter of the annular groove 17 is matched with the outer diameter of the clamping ring 10, and the surface of the two ends of the fourth chain plate 5 is provided with a positioning hole 18;

[0027] When working, since the surfaces of the first chain plate 1, the second chain plate 2, the third chain plate 4 and the fourth chain plate 5 are symmetrically provided with through holes 15, the connecting shaft 7 can be conveniently penetrated through the first chain plate 1, the second chain plate 2, the third chain plate 4 and the fourth chain plate 5 through the through holes 15, so as to conveniently realize the assembly of the chain, the groove 16 is arranged to be clamped and connected with the multiple protrusions fixed on one end of the connecting rod 6, so as to improve the stability of the connecting shaft 7 and the chain plate when clamped, when the clamping ring 10 is input into the inner side of the annular groove 17, the threaded joint 9 and the fourth chain plate 5 can be conveniently clamped and connected, and when the positioning rod 12 is input into the inner side of the positioning hole 18, the positioning of the threaded joint 9 can be realized.

[0028] The inner side of the roller 3 is provided with a hole with a diameter matched with the outer diameter of the connecting shaft 7, and the connecting shaft 7 penetrates the inner side of the roller 3;

[0029] In operation, the connecting shaft 7 penetrates the inner side of the roller 3, and then extends to the other side of the fourth chain plate 5, facilitating the subsequent connection with the threaded joint 9.

[0030] The threaded joint 9 is provided with an internal thread in the middle of the side close to the connecting shaft 7, and the threaded joint 9 is connected with the threaded groove 8 provided on the outer side of one end of the connecting shaft 7 through the internal thread;

[0031] In operation, when one end of the connecting shaft 7 is input to the inner side of the threaded joint 9, the threaded joint 9 can be connected with the connecting shaft 7 through the threaded groove 8 provided on one end of the connecting shaft 7, and then the threaded joint 9 can be stably connected with the connecting shaft 7 by screwing.

[0032] The outer diameter of the clamping ring 10 is matched with the inner diameter of the annular groove 17, and the positioning holes 18 are symmetrically distributed along the transverse center line of the clamping ring 10;

[0033] In operation, the clamping ring 10 is input to the inner side of the annular groove 17, and then the clamping connection between the threaded joint 9 and the fourth chain plate 5 is realized through the clamping connection therebetween.

[0034] The positioning rod 12 is slidably connected with the clamping ring 10 through the return spring 11, and the outer diameter of the positioning rod 12 is matched with the inner diameter of the positioning hole 18;

[0035] In operation, the reverse force generated by the deformation of the return spring 11 pushes the positioning rod 12, and then one end of the positioning rod 12 is input to the inner side of the positioning hole 18, so as to realize the clamping connection between the clamping ring 10 and the fourth chain plate 5 through the clamping of the positioning rod 12 and the positioning hole 18.

[0036] Working principle: firstly, the connecting shaft 7 penetrates the inner side of the first chain plate 1, the second chain plate 2, the roller 3, the third chain plate 4 and the fourth chain plate 5, and extends to the other side of the fourth chain plate 5, then the threaded joint 9 is sleeved on one end of the connecting shaft 7 extending out, the threaded joint 9 is connected with the connecting shaft 7 by screwing, at the same time, the clamping ring 10 is input into the annular groove 17, then the longitudinal force applied to the push block 14 is released, at this time, the reverse force generated by the deformation of the return spring 11 pushes the positioning rod 12 in the opposite direction, and then the positioning rod 12 moves longitudinally in the inner side of the clamping ring 10, and the auxiliary sliding plate 13 moves with the movement of the positioning rod 12, so as to improve the stability of the positioning rod 12 during movement, then one end of the positioning rod 12 is input to the inner side of the positioning hole 18, so as to realize the positioning of the threaded joint 9, thereby realizing the assembly of the chain.

[0037] The above are only preferred embodiments of the present application, and do not limit the present application, any modification to the technical solutions recorded in the foregoing embodiments, equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement made, all belong to the protection scope of the present application.

Claims

1. A chain convenient to disassemble, comprising a first chain plate (1), a second chain plate (2) distributed at one end of the first chain plate (1), a roller (3) distributed away from one side of the first chain plate (1), a third chain plate (4) distributed at the other end of the roller (3), and a fourth chain plate (5) distributed away from one end of the roller (3) of the third chain plate (4); characterized in that Further comprising: The first chain plate (1) is provided with a connecting head (6) distributed away from one side of the second chain plate (2), one end of the connecting head (6) is connected with a connecting shaft rod (7), a threaded groove (8) is formed on the outer surface of the other end of the connecting shaft rod (7) away from the connecting head (6), a threaded joint (9) is sleeved on the outer side of one end of the connecting shaft rod (7), and a clamping ring (10) is fixedly arranged on the surface of one end of the threaded joint (9); The inner cavity of the clamping ring (10) is fixedly connected with a reset spring (11), the other end of the reset spring (11) is fixedly connected with a positioning rod (12), the outer side of one end of the positioning rod (12) is sleeved with an auxiliary sliding plate (13), and the surface of the auxiliary sliding plate (13) is fixedly provided with a push block (14).

2. A chain according to claim 1, wherein The surface of the first chain plate (1) is provided with a through hole (15), the outer periphery of the through hole (15) is communicated with a groove (16), the side of the fourth chain plate (5) away from the third chain plate (4) is provided with an annular groove (17), and the surfaces of both ends of the fourth chain plate (5) are provided with positioning holes (18).

3. A chain according to claim 1, wherein The inner side of the roller (3) is provided with a hole with a diameter size matched with the outer diameter size of the connecting shaft rod (7), and the connecting shaft rod (7) penetrates the inner side of the roller (3).

4. The readily detachable chain of claim 1, wherein The threaded joint (9) is provided with an internal thread in the middle of the side close to the connecting shaft rod (7), and the threaded joint (9) is threadedly connected with the threaded groove (8) formed on the outer side of one end of the connecting shaft rod (7) through the internal thread.

5. A chain according to claim 2, wherein The outer diameter size of the clamping ring (10) is matched with the inner diameter size of the annular groove (17), and the positioning holes (18) are symmetrically distributed along the transverse center line of the clamping ring (10).

6. A chain for easy removal according to claim 2, characterized in that The positioning rod (12) is slidably connected with the clamping ring (10) through the reset spring (11), and the outer diameter size of the positioning rod (12) is matched with the inner diameter size of the positioning hole (18).