Expansion connecting sleeve convenient to disassemble

By designing Ring 1 and Ring 2, and combining connecting and reinforcing components, the problem of loosening of the expansion coupling sleeve is solved, achieving a stable connection and an enhanced user experience.

CN224093713UActive Publication Date: 2026-04-07CHENGDU SELWO TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing expansion coupling sleeves are prone to loosening during use, affecting connection stability and lacking effective auxiliary reinforcement functions.

Method used

The design employs a structure of two rings, combined with connecting and reinforcing components, including a connecting ring, external thread, anti-slip block, sealing gasket, positioning rod, threaded rod, and knob, achieving a secure fixation through threaded connection and snap-fit.

Benefits of technology

It achieves a secure connection without any loosening, improving the reliability and safety of use and enhancing the overall user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The expansion connecting sleeve comprises a first circular ring and a second circular ring, the second circular ring is located on one side of the first circular ring, connecting assemblies are fixedly installed on one side of the first circular ring and one side of the second circular ring respectively, and reinforcing assemblies are arranged on one sides of the connecting assemblies. The connecting assembly comprises a first connecting ring and a first external thread, the first connecting ring is fixedly installed on one side of a first circular ring, the first external thread is arranged on the outer side wall of the first connecting ring, a second connecting ring is fixedly installed on one side of a second circular ring, and a second external thread is arranged on the outer side wall of the second connecting ring. According to the expansion connecting sleeve convenient to disassemble, through the arrangement of the first circular ring, the second circular ring and the connecting assembly, a good fixing effect can be achieved on the whole, the situation of looseness cannot occur after fixing, the situation that normal use is affected by looseness is further reduced, the overall use effect is better, and the use effect is effectively guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of expansion coupling sleeve, and specifically relates to an expansion coupling sleeve convenient to disassemble. BACKGROUND

[0002] The expansion coupling sleeve is generally composed of an inner ring, an outer ring and high-strength bolts, the inner ring is matched with a shaft, the outer ring is matched with a hub and other components to be coupled, the high-strength bolts generate a pulling force when tightened, causing the inner and outer rings to deform radially, thereby achieving the effect of tightly holding the shaft and the hub and other components, achieving tight coupling, and the specifications and models are various on the market, the size specifications are usually divided according to the shaft diameter, for example, there are small expansion coupling sleeves suitable for shafts with a diameter of 20-50 mm, and large expansion coupling sleeves suitable for shafts with a diameter of several hundred millimeters or even larger, to meet the coupling requirements of different mechanical equipment and different load conditions, and different models also have different performance parameters such as bearing capacity and maximum allowable speed, and users can accurately select according to actual working conditions.

[0003] The patent publication No. "CN217081160U" discloses "an expansion sleeve convenient to disassemble, which comprises an inner elastic ring, an expansion ring clamped on the inner side wall of the inner elastic ring, and a compression ring slidingly arranged on the outer side wall of the inner elastic ring, wherein three compression rings are equidistantly arranged along the circumferential direction of the inner elastic ring, two adjacent outer side walls of the compression rings are slidingly provided with outer sleeves, and the other outer side wall of the compression ring is slidingly provided with a bridge piece, and the outer sleeves are connected through the bridge piece", and the utility model tightens the compression bolts to make each compression block slide and shrink to be close to each other, thereby extruding the inner elastic ring to achieve the purpose of quickly connecting the wheel shaft, thereby avoiding the complicated disassembly caused by the cooperation of a large number of bolts.

[0004] In the above-mentioned patent, the existing expansion coupling sleeve is fixed by using a screw rod, which is prone to looseness in actual use, which affects the stability of the coupling, and has no good auxiliary reinforcement function, and has no good fixing effect in actual use.

[0005] Therefore, the utility model provides an expansion coupling sleeve convenient to disassemble to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides an expansion coupling sleeve convenient to disassemble, which solves the problem that the existing expansion coupling sleeve is fixed by using a screw rod, which is prone to looseness in actual use, which affects the stability of the coupling.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a disassembleable expansion coupling sleeve, comprising a first ring and a second ring, the second ring being located on one side of the first ring, and connecting components being fixedly installed on one side of the first ring and the second ring respectively, with a reinforcing component provided on one side of the connecting component; the connecting component comprises a first connecting ring and an external thread, the first connecting ring being fixedly installed on one side of the first ring, the first external thread being provided on the outer side wall of the first connecting ring, the second connecting ring being fixedly installed on one side of the second ring, the outer side wall of the second connecting ring being provided with the second external thread, and both the outer side walls of the second external thread and the first external thread being threadedly connected to threaded rings.

[0008] Furthermore, the reinforcement component includes a positioning rod and a connecting hole. The positioning rod is fixedly installed on one side of the first connecting ring and the second connecting ring, and the connecting hole is opened on one side of the first connecting ring and the second connecting ring. A fixing plate is provided on one side of the first connecting ring and the second connecting ring, and a positioning hole is opened on one side of the fixing plate. The positioning hole is engaged with the positioning rod.

[0009] The above technical solution can achieve a good reinforcement effect, making the reinforcement effect even better.

[0010] Furthermore, the reinforcement component also includes a threaded rod, which is threadedly connected to the connecting hole and the fixing plate respectively.

[0011] The above technical solution can achieve a very good fixation effect.

[0012] Furthermore, the reinforcement assembly also includes a knob, which is fixedly connected to one end of the threaded rod.

[0013] The above technical solution allows for convenient rotation of the threaded rod using a knob.

[0014] Furthermore, the connecting assembly also includes an anti-slip block, which is fixedly connected to the outer side wall of the threaded ring.

[0015] The above technical solution can achieve a good anti-slip effect, making it more convenient to use.

[0016] Furthermore, the connecting assembly also includes a sealing gasket, which is disposed on the inner sidewall of the second connecting ring and the first connecting ring respectively.

[0017] The above technical solution can achieve a good sealing effect.

[0018] Beneficial effects

[0019] This invention provides an easily disassembled expansion coupling sleeve. Compared with the prior art, it has the following advantages:

[0020] 1. This easily detachable expansion coupling sleeve, through the set ring one, ring two and connecting components, can play a good role in fixing the whole, and there will be no loosening after fixing, which reduces the possibility of loosening affecting normal use, making the overall use better and effectively guaranteeing the use effect.

[0021] 2. This easily detachable expansion coupling sleeve, with its reinforced components, provides excellent reinforcement, making the overall system more robust and preventing any loosening during actual use. This reduces the impact of loosening on normal operation, resulting in better overall performance and a superior user experience. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0025] Figure 3 This is a front view of the overall structure of this utility model;

[0026] Figure 4 This is a side view of the overall structure of this utility model.

[0027] In the diagram: 1. Ring 1; 2. Ring 2; 3. Connecting assembly; 31. Connecting ring 1; 32. External thread 1; 33. Connecting ring 2; 34. External thread 2; 35. Threaded ring; 36. Anti-slip block; 37. Sealing gasket; 4. Reinforcing assembly; 41. Positioning rod; 42. Connecting hole; 43. Fixing plate; 44. Positioning hole; 45. Threaded rod; 46. Knob. Detailed Implementation

[0028] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0029] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0030] Reference Figures 1 to 4 This application provides an easily detachable expansion coupling sleeve, including a first ring 1 and a second ring 2. The second ring 2 is located on one side of the first ring 1. A connecting component 3 is fixedly installed on one side of the first ring 1 and the second ring 2 respectively. A reinforcing component 4 is provided on one side of the connecting component 3. The connecting component 3 includes a first connecting ring 31 and an external thread 32. The first connecting ring 31 is fixedly installed on one side of the first ring 1. The external thread 32 is provided on the outer side wall of the first connecting ring 31. A second connecting ring 33 is fixedly installed on one side of the second ring 2. The outer side wall of the second connecting ring 33 is provided with an external thread 34. The outer side walls of the external thread 34 and the external thread 32 are both threadedly connected to a threaded ring 35. The connecting component 3 also includes an anti-slip block 36, which is fixedly connected to the outer side wall of the threaded ring 35. The connecting component 3 also includes a sealing gasket 37, which is provided on the inner side wall of the second connecting ring 33 and the first connecting ring 31 respectively.

[0031] In this embodiment, firstly, ring 1 and ring 2 are placed on the outer wall of the pipe. Then, rotating the anti-slip block 36 allows the threaded ring 35 to be screwed together with external thread 2 34 and external thread 1 32 respectively to complete the installation. After fixing, there will be no loosening.

[0032] Reference Figures 1 to 4In one aspect of this embodiment, the reinforcing component 4 includes a positioning rod 41 and a connecting hole 42. The positioning rod 41 is fixedly installed on one side of the first connecting ring 31 and the second connecting ring 33, respectively. The connecting hole 42 is opened on one side of the first connecting ring 31 and the second connecting ring 33, and a fixing plate 43 is provided on one side of the first connecting ring 31 and the second connecting ring 33. A positioning hole 44 is opened on one side of the fixing plate 43. The positioning hole 44 is engaged with the positioning rod 41. The reinforcing component 4 also includes a threaded rod 45. The threaded rod 45 is connected to the connecting hole 42 and the fixing plate 43 by threads. The reinforcing component 4 also includes a knob 46, which is fixedly connected to one end of the threaded rod 45.

[0033] In this embodiment, the positioning hole 44 and the positioning rod 41 are then snapped together, and the knob 46 is rotated to screw the threaded rod 45 and the connecting hole 42 together, which can reinforce the ring 1 and the ring 2. After reinforcement, it can be used more reliably and will not loosen, thus ensuring the user experience.

[0034] Working principle: First, put ring 1 and ring 2 on the outer wall of the pipe. Then, rotate the anti-slip block 36 to screw the threaded ring 35 together with the external thread 2 34 and external thread 1 32 respectively to complete the installation. After fixing, there will be no loosening.

[0035] Then, the positioning hole 44 and the positioning rod 41 are snapped together. Then, the knob 46 is turned so that the threaded rod 45 is screwed together with the connecting hole 42. This can reinforce the connection between the first ring 1 and the second ring 2. After reinforcement, it can be used more reliably and will not loosen, thus ensuring a good user experience.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A disassembly-friendly expansion coupling sleeve, comprising a first ring (1) and a second ring (2), characterized in that: The second ring (2) is located on one side of the first ring (1). A connecting component (3) is fixedly installed on one side of the first ring (1) and the second ring (2), and a reinforcing component (4) is provided on one side of the connecting component (3). The connecting assembly (3) includes a connecting ring one (31) and an external thread one (32). The connecting ring one (31) is fixedly installed on one side of the ring one (1). The external thread one (32) is provided on the outer side wall of the connecting ring one (31). A connecting ring two (33) is fixedly installed on one side of the ring two (2). The outer side wall of the connecting ring two (33) is provided with an external thread two (34). The outer side walls of the external thread two (34) and the external thread one (32) are both connected to a threaded ring (35) by threads.

2. The easily detachable expansion coupling sleeve according to claim 1, characterized in that: The reinforcement component (4) includes a positioning rod (41) and a connecting hole (42). The positioning rod (41) is fixedly installed on one side of the first connecting ring (31) and the second connecting ring (33). The connecting hole (42) is opened on one side of the first connecting ring (31) and the second connecting ring (33). A fixing plate (43) is provided on one side of the first connecting ring (31) and the second connecting ring (33). A positioning hole (44) is opened on one side of the fixing plate (43). The positioning hole (44) is engaged with the positioning rod (41).

3. The easily detachable expansion coupling sleeve according to claim 2, characterized in that: The reinforcement component (4) also includes a threaded rod (45), which is connected to the connecting hole (42) and the fixing plate (43) by threads.

4. The easily detachable expansion coupling sleeve according to claim 3, characterized in that: The reinforcement component (4) also includes a knob (46), which is fixedly connected to one end of the threaded rod (45).

5. The easily detachable expansion coupling sleeve according to claim 1, characterized in that: The connecting assembly (3) also includes an anti-slip block (36), which is fixedly connected to the outer wall of the threaded ring (35).

6. The easily detachable expansion coupling sleeve according to claim 1, characterized in that: The connecting assembly (3) further includes a sealing gasket (37), which is disposed on the inner sidewall of the second connecting ring (33) and the first connecting ring (31).

Citation Information

Patent Citations

  • Expansion sleeve convenient to disassemble and assemble

    CN217081160U