Quick chain connector

By designing a closed-loop chain quick connector, and utilizing elastic latches and guide holes to achieve a fast and stable chain connection, the problem of unstable chain connections in existing technologies is solved, thus improving safety and stability.

CN223578707UActive Publication Date: 2025-11-21宋宝平
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Patent Information

Application Number
CN202520121597.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-11-21
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing chain connectors are prone to disengagement due to excessive force during tire movement, resulting in unstable connections.

Method used

A chain quick connector comprising a body, an elastic buckle, and a guide hole was designed. It adopts a closed connection and uses the elastic buckle and guide hole to achieve a quick and stable connection of the chain. The vertically bent part at the bottom of the locking bar is placed in the placement groove of the body to enhance security.

Benefits of technology

It enables fast and stable chain connection, avoids decoupling, and improves the safety and stability of the connection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223578707U_ABST
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Abstract

The utility model relates to the technical field of chain connection, in particular to a quick chain connector which comprises a body, two ends of the body are respectively provided with a group of elastic lock catches, and the two ends of the body are provided with symmetrical openings. The elastic lock catch comprises a lock rod and an operating rod, the operating rod comprises a thick rod section and a thin rod section, and the bottom end of the lock rod is vertically bent to be connected with the bottom end of the thin rod section; a lock hole, a thick rod guide hole and a thin rod guide hole are formed in the body, the thick rod section is arranged in the thick rod guide hole, the thin rod section penetrates through the thin rod guide hole, and a spring arranged on the thin rod section in a sleeving mode is arranged at the bottom end of the thick rod section. The chain connecting device is reasonable in structure, convenient to operate and capable of achieving quick connection of the chain, closed connection is adopted, connection is stable, the unhooking situation is avoided, and safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to chain connection technical field, specifically point to a chain quick connector. BACKGROUND

[0002] In order to make the car normal driving on the ice and snow road, generally equip the tire with antiskid chain, thereby increasing the friction with the road, and the chain type is one of them, it has the advantages of large bearing capacity, good antiskid effect, the whole is mainly by the net chain of cover setting on the tire, the docking end is connected through the hook, then the net chain is added in the tire side tensioner, improve the compact effect of net chain on the tire, wherein the docking end of net chain is connected through the hook, due to not closed type connection, there is the phenomenon of unhooking in the tire walking process, under excessive force.

[0003] Therefore, research and development a kind of chain quick connector that can realize chain quick connection. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems to overcome the defects of the above-mentioned technology, and provides a chain quick connector.

[0005] A chain quick connector, comprising a body, a set of elastic locks are arranged at both ends of the body, and symmetrical openings are arranged at both ends of the body.

[0006] The elastic lock comprises a lock rod and an operating rod arranged in parallel, the operating rod comprises a thick rod section and a thin rod section arranged integrally and vertically, and the bottom end of the lock rod is vertically bent and connected with the bottom end of the thin rod section of the operating rod.

[0007] A lock hole is arranged on the body and penetrates the opening, a thick rod guide hole and a thin rod guide hole are arranged on the body between the two openings, the thick rod guide hole and the thin rod guide hole are communicated and penetrate the body, the thick rod section is arranged in the thick rod guide hole, the thin rod section penetrates the thin rod guide hole, a spring is arranged on the thick rod section and sleeved on the thin rod section, the top end of the spring abuts against the bottom end of the thick rod section, and the bottom end of the spring abuts against the bottom end of the thick rod guide hole, and the top end of the thick rod section extends out of the body to form an operating end.

[0008] Further, a placing groove is formed at the bottom end of the body, and the vertically bent part of the bottom end of the lock rod is placed in the placing groove.

[0009] Further, a screw rod is arranged at the bottom end of the thin rod section, a threaded hole is arranged at the vertically bent part of the bottom end of the lock rod, and the screw rod is screwed into the threaded hole.

[0010] Further, the length of the operating end of the thick rod section extending out of the body is greater than the distance from the bottom end of the opening to the top end of the body.

[0011] The utility model discloses the advantages are: the utility model discloses reasonable structure, convenient operation can realize the quick connection of chain, and the connecting mode adopts closed type connection, and the connection is stable, avoids the occurrence of unhooking, improves security.

[0012] The bottom of the body is provided with a placing groove, and after locking, the bottom end of the lock rod is placed in the placing groove in the perpendicular bending part, is not exposed, forms protection, and safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the lock rod opening cross section schematic diagram of the utility model discloses a chain quick connector;

[0014] Figure 2 It is the three-dimensional schematic diagram of the utility model discloses a chain quick connector;

[0015] Figure 3 It is the use schematic diagram of the utility model discloses a chain quick connector.

[0016] As shown in the drawing: 1, the body;2, opening;3, lock rod;4, thick rod section;5, thin rod section;6, lock hole;7, thick rod guide hole;8, thin rod guide hole;9, spring;10, placing groove;11, screw;12, threaded hole. DETAILED DESCRIPTION

[0017] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0018] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0019] In the description of the utility model embodiment, if a certain feature is referred to as "set", "fixed", "connected", "installed" on another feature, it can be directly set, fixed, connected on another feature, or indirectly set, fixed, connected, installed on another feature.

[0020] In the description of the embodiments of the utility model, if it involves "several", its meaning is more than one, if it involves "multiple", its meaning is more than two, if it involves "greater than", "less than", "exceed", should be understood as not including the number, if it involves "above", "below", "within", should be understood as including the number. If it involves "first", "second", should be understood as being used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0021] The utility model will be further described in detail below in combination with the drawings.

[0022] As shown in Figure 1 and Figure 2 A chain quick connector, comprising a body 1, a set of elastic buckles are arranged at both ends of the body 1, and symmetrical openings 2 are arranged at both ends of the body 1;

[0023] The elastic buckle comprises a lock rod 3 and an operating rod arranged in parallel, the operating rod comprises a thick rod section 4 and a thin rod section 5 arranged integrally and vertically, and the bottom end of the lock rod 3 is vertically bent and connected with the bottom end of the thin rod section 5 of the operating rod;

[0024] The body 1 is provided with a lock hole 6 penetrating the openings 2 and the body 1, the body 1 is provided with a thick rod guide hole 7 and a thin rod guide hole 8 between the two openings 2, the thick rod guide hole 7 and the thin rod guide hole 8 are communicated and penetrate the body 1, the thick rod section 4 is arranged in the thick rod guide hole 7, the thin rod section 6 penetrates the thin rod guide hole 8, the bottom end of the thick rod section 4 is provided with a spring 9 sleeved on the thin rod section 5, the top end of the spring 9 abuts against the bottom end of the thick rod section 4, and the bottom end of the spring 9 abuts against the bottom end of the thick rod guide hole 7, and the top end of the thick rod section 4 extends out of the body 1 to form an operating end;

[0025] The bottom end of the body 1 is provided with a placing groove 10, and the vertically bent part of the bottom end of the lock rod 3 is placed in the placing groove 10;

[0026] The bottom end of the thin rod section 5 is provided with a screw rod 11, the bottom end of the lock rod 3 is provided with a threaded hole 12, and the screw rod 11 is screwed in the threaded hole 12.

[0027] The length of the operating end formed by the top end of the thick rod section 4 extending out of the body 1 is greater than the distance from the bottom end of the opening 2 to the top end of the body 1.

[0028] The utility model discloses in specific use, first press thick rod section 4 to make that lock bar 3 top end moves down, make opening 2 open, put the chain link of chain into, then loosen thick rod section 4, under the action of spring 9 reset, lock bar 3 moves up, opening 2 closes, forms closed chain connection, the chain connection of another end of main body 1 is same with preceding operation, finally obtains the chain connection as shown in Figure 3 . .

[0029] The above description of the utility model and its implementation is described, and this description is not restrictive, and the embodiment shown in the drawings is only one of the utility model, and the actual structure is not limited thereto. In summary, if the ordinary skilled person in the art is inspired, without departing from the utility model creation purpose, without creative design, the structure mode and embodiment similar to the technical scheme, which should belong to the protection scope of the utility model.

Claims

1. A chain quick connector, characterized in that: Includes a body (1), both ends of which are provided with a set of elastic latches, and both ends of the body (1) are provided with symmetrical openings (2); The elastic buckle includes a locking rod (3) and an operating rod arranged in parallel. The operating rod includes a thick rod section (4) and a thin rod section (5) that are integrally arranged vertically. The bottom end of the locking rod (3) is vertically bent and connected to the bottom end of the thin rod section (5) of the operating rod. The main body (1) is provided with a through opening (2) and a lock hole (6) of the main body (1). The main body (1) is provided with a thick rod guide hole (7) and a thin rod guide hole (8) located between the two openings (2). The thick rod guide hole (7) and the thin rod guide hole (8) are connected and penetrate the main body (1). The thick rod section (4) is located in the thick rod guide hole (7). The thin rod section (5) passes through the thin rod guide hole (8). The bottom end of the thick rod section (4) is provided with a spring (9) sleeved on the thin rod section (5). The top end of the spring (9) abuts against the bottom end of the thick rod section (4) and the bottom end of the spring (9) abuts against the bottom end of the thick rod guide hole (7). The top end of the thick rod section (4) extends out of the main body (1) to form an operating end.

2. A chain quick connector according to claim 1, characterized in that: The bottom end of the main body (1) is provided with a placement groove (10), and the bottom end of the locking rod (3) is vertically bent and placed in the placement groove (10).

3. A chain quick connector according to claim 1, characterized in that: The thin rod segment (5) is provided with a screw (11) at its bottom end, and the bottom vertically bent portion of the locking rod (3) is provided with a threaded hole (12), and the screw (11) is screwed into the threaded hole (12).

4. A chain quick connector according to claim 1, characterized in that: The length of the end of the thick rod segment (4) extending out of the body (1) to form the operating end is greater than the distance from the bottom of the opening (2) to the top of the body (1).