Chain structure with cross-hole chain cover

Abstract

The utility model relates to a chain structure with cross hole chain cover, including chain body and chain cover, the chain body is by a plurality of sequentially connected chain link constitutes, any two adjacent connected chain link can constitute cross perpendicular structure naturally, the chain cover is along the axial and is provided with the cross hole that penetrates, the cross hole and the cross perpendicular structure of two adjacent chain link are adapted, the chain body is inserted in the cross hole, through the integration restraint design of chain cover and chain, solves the problem that traditional chain moves at random, irregular bending.

Description

Technical Field

[0001] This utility model relates to the field of chain technology, specifically to a chain structure with a cross-hole chain sleeve. Background Technology

[0002] Chains, as commonly used transmission and traction components in the mechanical field, have a core structure consisting of a rigid yet flexible system of multiple metal links or rings. While chains offer the advantage of flexible transmission, this flexibility also brings significant drawbacks: in high-precision transmission or linear traction scenarios, flexible chains are prone to irregular bending, swaying, or even deviation, leading to decreased transmission accuracy and traction direction shifts, thus failing to meet the requirements for structural stability.

[0003] To address this technical problem, some existing technologies attempt to shape the chain using a chain sleeve structure. However, these technologies generally suffer from design flaws: most chain sleeves employ a circular through-hole design, which cannot precisely fit the cross-shaped vertical structure formed by the circular through-hole and the adjacent chain links, leaving gaps between them. This fails to effectively restrict the freedom of movement of multiple chain links, resulting in poor shaping. If the size of the circular through-hole is reduced to minimize swaying, causing an interference fit between the through-hole and the chain, it will lead to a significant increase in assembly resistance, making chain installation difficult and even damaging the chain sleeve during installation, thus affecting product assembly efficiency and service life.

[0004] Therefore, there is an urgent need for a chain structure that can adapt to the chain cross structure and take into account both ease of assembly and stable shaping. Utility Model Content

[0005] The purpose of this utility model is to overcome the defects of the prior art by providing a chain structure with a cross-hole chain sleeve. Through the integrated constraint design of the chain sleeve and the chain, the problem of the free movement and irregular bending of traditional chains is solved.

[0006] The technical solution of this utility model is as follows: a chain structure with a cross-hole chain sleeve, comprising a chain body and a chain sleeve. The chain body is composed of multiple chain links connected in sequence. Any two adjacent chain links can naturally form a cross vertical structure. The chain sleeve has a through cross hole along the axial direction. The cross hole is adapted to the cross vertical structure of two adjacent chain links. The chain body is inserted into the cross hole.

[0007] By employing the above technical solution, the precise engagement of the cross-hole with the perpendicular cross structure of the adjacent chain links ensures that the two form a unified whole that cannot move relative to each other at will. The through-hole and adaptable design ensures smooth and seamless assembly of the chain body without jamming. This solves the problem of disordered movement caused by the decentralized structure of traditional chains, and improves transmission consistency and reliability through overall coordination, extending the service life. The chain body is inserted into the cross-hole of the chain sleeve, forming an integrated constraint structure between the chain sleeve and the chain body, restricting the chain's free movement and irregular bending.

[0008] A further feature of this invention is that the chain sleeve has a multi-layer structure, which includes a support layer, a cut-resistant layer and a wear-resistant layer from the inside out. The cross hole is opened on the support layer, and the support layer is used to support the chain body.

[0009] With the above-mentioned further design, the multi-layer structure has a clear division of labor. The support layer maintains the stability of the cross hole shape and avoids deformation of the hole wall, which would affect the fitting accuracy. The cut-resistant layer resists damage from sharp objects and protects the support layer and the chain body. The wear-resistant layer reduces friction loss, solves the problem of single-structure chain sleeves having limited function and being prone to wear, and extends the overall service life.

[0010] A further feature of this invention is that the support layer, cut-resistant layer, and wear-resistant layer are coaxially sleeved and fixed, and the axial length of each layer is consistent.

[0011] By adopting the above-mentioned further settings, the coaxial sleeve ensures that the multi-layer structure has no radial offset and guarantees the concentricity of the chain sleeve; the fixed connection prevents the layers from falling off and separating, and the consistent axial length avoids assembly interference or jamming during use, thereby improving the overall structure and reliability.

[0012] A further feature of this invention is that the wall of the cross hole is a smooth surface, and the corners of the cross hole are rounded.

[0013] With the above-mentioned further design, the smooth hole wall reduces the frictional resistance between the chain and the hole wall, reduces wear, and improves the smoothness of transmission; the rounded corner transition avoids scratching the chain links, relieves stress concentration, prevents cracking at the edge of the cross hole, and extends the service life. Attached Figure Description

[0014] Figure 1 This is a structural diagram of a specific embodiment of the present utility model; Figure 2 This is a structural diagram of the chain body according to a specific embodiment of the present utility model; Figure 3 This is a structural diagram of the chain loop according to a specific embodiment of the present utility model; Figure 4 This is a diagram showing the assembly of the chain body and chain set in a specific embodiment of this utility model. Detailed Implementation

[0015] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0016] like Figure 1-4 As shown, this utility model discloses a chain structure with a cross-hole chain sleeve, comprising a chain body 1 and a chain sleeve 2. The chain body 1 is composed of multiple sequentially connected chain links 11. Any two adjacent connected chain links 11 can naturally form a cross-shaped vertical structure. The chain links 11 are made of stainless steel or alloy steel to ensure structural strength and transmission reliability. The chain sleeve 2 has a through cross-shaped hole 21 along the axial direction. The cross-shaped hole 21 is adapted to the cross-shaped vertical structure of two adjacent chain links 11, and the chain body 1 is inserted into the cross-shaped hole 21. The hole wall of the cross-shaped hole 21 is smooth, and the corners of the cross-shaped hole 21 are rounded. The chain sleeve 2 has a multi-layer structure, which includes a support layer, a cut-resistant layer, and a wear-resistant layer from the inside out. The cross-shaped hole 21 is formed on the support layer, which is used to support the chain body 1. The support layer is made of plastic or rubber with rigidity and toughness, the cut-resistant layer is woven from polyethylene fiber or aramid fiber, and the wear-resistant layer is made of polypropylene or polyester fabric. The support layer, cut-resistant layer, and wear-resistant layer are coaxially sleeved and fixed, and the axial length of each layer is consistent. The support layer, cut-resistant layer, and wear-resistant layer are fixed by adhesive bonding or tight sleeve fixing.

[0017] In this invention, the chain link 11 is inserted into the cross hole 21. The cross hole 21 and the cross-shaped perpendicular structure of the chain link 11 form a shape constraint, which restricts the excessive bending, shaking and misalignment of multiple chain links, and ensures stable transmission.

[0018] It should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," and "installation" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A chain structure with a cross-shaped hole sleeve, comprising a chain body (1) and a sleeve (2), wherein the chain body (1) is composed of a plurality of sequentially connected links (11), and any two adjacent connected links (11) can naturally form a cross-shaped vertical structure, characterized in that: The chain sleeve (2) has a through cross hole (21) along the axial direction. The cross hole (21) is adapted to the cross vertical structure of two adjacent chain links (11). The chain body (1) is inserted into the cross hole (21).

2. The chain structure with a cross-hole chain sleeve according to claim 1, characterized in that: The chain sleeve (2) has a multi-layer structure, which includes a support layer, a cut-resistant layer and a wear-resistant layer from the inside to the outside. The cross hole (21) is opened on the support layer, and the support layer is used to support the chain body (1).

3. The chain structure with a cross-hole chain sleeve according to claim 2, characterized in that: The support layer, cut-resistant layer, and wear-resistant layer are coaxially sleeved and fixed, and the axial length of each layer is consistent.

4. The chain structure with a cross-hole chain sleeve according to claim 1, 2, or 3, characterized in that: The wall of the cross hole (21) is smooth, and the corners of the cross hole are rounded.

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