Split type sleeve for disassembling double-end stud

By designing a split sleeve, with the outer sleeve connected to the power tool and the inner sleeve and the load-bearing nut having a polygonal structure, the problem of time-consuming and laborious traditional manual disassembly of double-ended studs is solved, achieving efficient and stable disassembly results.

CN223589291UActive Publication Date: 2025-11-25Liupanshan Laboratory
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423240535.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-25
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Traditional manual disassembly of double-ended studs is time-consuming and labor-intensive, especially in situations where space is limited or the studs are corroded. Furthermore, the tools used are unstable, resulting in low efficiency, high labor intensity, and insufficient safety.

Method used

A split sleeve is designed, including an outer sleeve and an inner sleeve. The inner sleeve has a force-bearing nut on its inner side. The outer sleeve is connected to a power tool. The inner sleeve and the outer sleeve are stably connected by a limiting post and a limiting hole. The inner side of the inner sleeve and the force-bearing nut have a polygonal structure, which allows synchronous rotation to disassemble the double-ended stud.

Benefits of technology

It improves the efficiency and safety of disassembling double-ended studs, reduces labor intensity, adapts to studs of different sizes, and ensures the efficiency and stability of force transmission during the tightening process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223589291U_ABST
    Figure CN223589291U_ABST
Patent Text Reader

Abstract

The utility model discloses a split type sleeve for disassembling a double-end stud, which relates to the technical field of auxiliary tools and comprises an outer sleeve connected with an electric tool and an inner sleeve, one end of the inner sleeve is coaxially and detachably connected to the inner side of the outer sleeve, and the other end of the inner sleeve is positioned on the outer side of the outer sleeve; a stress nut is arranged on the inner side of the inner sleeve in a sleeved mode, the outer side wall of the stress nut is attached to the inner side wall of the inner sleeve, the section of the outer side wall of the stress nut and the section of the inner side wall of the inner sleeve are both of a polygonal structure, and the part, on the inner side of the inner sleeve, of the stress nut is attached to the inner side wall of the inner sleeve. The cross section of the outer side wall of the stress nut and the cross section of the inner side wall of the inner sleeve are both of a polygonal structure, the stress nut can be allowed to horizontally move on the inner side of the inner sleeve to facilitate follow-up disassembly, when the inner sleeve rotates, the stress nut can be driven to synchronously rotate, and disassembly of the double-end stud is achieved; according to the utility model, the transmission efficiency and the stability of force in the screwing process can be ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of auxiliary tools more particularly relates to a split type sleeve for double -end stud dismounting. BACKGROUND

[0002] In the field of industry and mechanical maintenance, double -end stud is a common fastener for connecting or fixing two components, the traditional double -end stud dismounting method mainly relies on manual operation, uses spanner or other tools to twist nut, thereby realizes the dismounting of double -end stud.

[0003] However, this method has the following technical problems: manual dismounting double -end stud is time -consuming and laborious, especially when needing to dismount a large number of double -end studs or working in the environment of limited space, the efficiency is extremely low, manual twisting nut needs greater physical strength, and long -term operation is easy to cause operator fatigue, increases work intensity, for the double -end stud of rust or fixed dead because of long -term use, manual tool is difficult to provide enough torque to dismount, this can lead to dismounting work cannot be carried out or needs additional destructive operation, when manual operation, the stability of tool is difficult to guarantee, especially when twisting the nut of greater stress, it is easy to cause tool sliding or falling off.

[0004] Therefore, how provides a split type sleeve for double -end stud dismounting that improves the efficiency and safety of double -end stud dismounting and reduces labor intensity, it is the urgent problem of the person skilled in the art to solve. CONTENT OF UTILITY MODEL

[0005] Therefore, the utility model provides a split type sleeve for double -end stud dismounting, aims at solving the above -mentioned technical problem.

[0006] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0007] A split type sleeve for double -end stud dismounting, including the outer sleeve connected with electric tool, still including inner sleeve, one end of the inner sleeve is coaxial and detachably connected in the inner side of the outer sleeve, the other end is located at the outside of the outer sleeve, the inner side of the inner sleeve is sleeved with force nut, the outer side wall of the force nut and the inner side wall of the inner sleeve are attached, and the section of the force nut outer side wall and the section of the inner sleeve inner side wall are all polygonal structure.

[0008] By the technical scheme, the split sleeve for disassembling double-end studs is coaxially and detachably connected with the outer sleeve and the inner sleeve, and is allowed to be quickly assembled and disassembled, thereby being convenient to use and maintain; the force receiving nut on the inner side of the inner sleeve is attached to the inner side wall of the inner sleeve, and the cross sections of the outer side wall of the force receiving nut and the inner side wall of the inner sleeve are both polygonal structures, so that the force receiving nut is allowed to horizontally move in the inner side of the inner sleeve for subsequent disassembly, and the force receiving nut is driven to synchronously rotate when the inner sleeve rotates, thereby realizing the disassembly of the double-end stud; and the split sleeve has simple structure and can ensure the transmission efficiency and stability of force during the rotation.

[0009] Preferably, in the split sleeve for disassembling double-end studs, a limiting column is mounted on the side wall of the outer sleeve, and a limiting hole corresponding to the limiting column is formed in the inner sleeve. The limiting column and the limiting hole provide an accurate positioning mechanism, ensure that the inner sleeve is correctly aligned in the outer sleeve, prevent deviation, and realize stable connection between the outer sleeve and the inner sleeve.

[0010] Preferably, in the split sleeve for disassembling double-end studs, the number of the limiting columns and the limiting holes is multiple. The stability and reliability of the sleeve connection are improved, the load is dispersed by multiple limiting points, the wear of a single limiting point is reduced, and the service life of the tool is prolonged.

[0011] Preferably, in the split sleeve for disassembling double-end studs, the outer sleeve is divided into a force receiving section and a first mounting section, the force receiving section is connected with the electric tool, the cross section of the inner side wall of the first mounting section is a polygonal structure, and the cross section of the outer side wall of the inner sleeve close to the first mounting section is a polygonal structure. The structure improves the rationality and efficiency of the structural design, and the polygonal structures of the inner side wall of the first mounting section and the outer side wall of the inner sleeve provide better force transmission and support.

[0012] Preferably, in the split sleeve for disassembling double-end studs, a torsion spring is fixed to the inner side notch bottom wall of the first mounting section. The torsion spring provides necessary support force for the force receiving nut, and is mainly used to support the nut during disassembly, so as to prevent the force receiving nut from being completely screwed out of the double-end stud due to too small friction force between the force receiving nut and the double-end stud to be disassembled.

[0013] Preferably, in the split sleeve for disassembling double-end studs, the inner sleeve is divided into a second mounting section and a conical section, the cross section of the outer side wall of the second mounting section is a polygonal structure and is attached to the inner side wall of the first mounting section, and the cross section of the inner side wall of the conical section is a polygonal structure and is attached to the outer side wall of the force receiving nut. The structure ensures the stability of the connection.

[0014] Preferably, in the split sleeve for disassembling double-headed studs, the force-bearing nut comprises a first nut and a second nut sleeved on the inner side wall of the conical section, the first nut is located close to the tower spring, and the end of the first nut away from the tower spring is attached to the end face of the second nut. The structure provides a larger support area and pre-tightening force, prevents the nut from loosening during tightening, and ensures uniform force transmission during tightening by attaching the end faces of the first nut and the second nut, thereby reducing local stress concentration.

[0015] Preferably, in the split sleeve for disassembling double-headed studs, the inner side wall of the second mounting section is formed with a tapered surface expanding towards the first mounting section. The tapered surface structure can facilitate removal after the double-headed stud is disassembled.

[0016] Through the above technical solutions, compared with the prior art, the split sleeve for disassembling double-headed studs has the following beneficial effects:

[0017] 1. The split design of the outer sleeve and the inner sleeve makes it more convenient and efficient to disassemble double-headed studs.

[0018] 2. The outer sleeve is connected with the electric tool, and the inner sleeve is detachably connected to the inner side of the outer sleeve. This design allows quick replacement of the inner sleeve or the force-bearing nut to adapt to double-headed studs of different sizes, thereby improving work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiment or prior art description. Obviously, the drawings in the following description are only embodiments of the present application, and those skilled in the art can obtain other drawings according to the provided drawings without creative labor.

[0020] Figure 1 The accompanying drawings are schematic structural views of the split sleeve for disassembling double-headed studs provided by the present application;

[0021] Figure 2 The accompanying drawings are schematic structural views of the split sleeve for disassembling double-headed studs provided by the present application;

[0022] Figure 3 The accompanying drawings are schematic structural views of the split sleeve for disassembling double-headed studs provided by the present application;

[0023] Among them:

[0024] 1-outer sleeve;

[0025] 11-limiting column; 12-force-bearing section; 13-first mounting section; 14-tower spring;

[0026] 2-inner sleeve;

[0027] 21-limiting hole; 22-second mounting section; 221-taper surface; 23-conical section;

[0028] 3-stress nut;

[0029] 31-first nut; 32-second nut. DETAILED DESCRIPTION

[0030] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Referring to the drawings of the embodiments of the utility model, Figure 1 to the drawings of the embodiments of the utility model, Figure 3 The utility model discloses a split type sleeve for double-end stud dismounting, which comprises an outer sleeve 1 connected with an electric tool, characterized in that it further comprises an inner sleeve 2, one end of the inner sleeve 2 is coaxially and detachably connected to the inner side of the outer sleeve 1, and the other end is located on the outer side of the outer sleeve 1; a stress nut 3 is sleeved on the inner side of the inner sleeve 2, the outer side wall of the stress nut 3 and the inner side wall of the inner sleeve 2 are attached, and the cross section of the outer side wall of the stress nut 3 and the cross section of the inner side wall of the inner sleeve 2 are both polygonal structures.

[0032] In order to further optimize the above technical solutions, a limiting column 11 is installed on the side wall of the outer sleeve 1, and a limiting hole 21 corresponding to the limiting column 11 is formed on the inner sleeve 2.

[0033] In order to further optimize the above technical solutions, the number of the limiting column 11 and the limiting hole 21 is multiple.

[0034] In order to further optimize the above technical solutions, the outer sleeve 1 is divided into a stress section 12 and a first mounting section 13, the stress section 12 is connected with the electric tool; the cross section of the inner side wall of the first mounting section 13 is a polygonal structure; and the cross section of the outer side wall of the inner sleeve 2 close to the first mounting section 13 is a polygonal structure.

[0035] In order to further optimize the above technical solutions, a tower spring 14 is fixed on the inner side notch bottom wall of the first mounting section 13.

[0036] In order to further optimize the above technical scheme, the inner sleeve 2 is divided into a second mounting section 22 and a conical section 23, the outer side wall of the second mounting section 22 is in polygonal structure in section and is attached to the inner side wall of the first mounting section 13, and the inner side wall of the conical section 23 is in polygonal structure in section and is attached to the outer side wall of the force nut 3.

[0037] In order to further optimize the above technical scheme, the force nut 3 comprises a first nut 31 and a second nut 32 which are attached to the inner side wall of the conical section 23, the first nut 31 is located at the side close to the tower spring 14, and the end of the first nut 31 away from the tower spring 14 is attached to the end surface of the second nut 32.

[0038] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0039] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A split sleeve for unthreading of a stud, comprising an outer sleeve (1) for connection to an electric tool, characterized in that, The outer sleeve (1) is coaxially and detachably connected with an inner sleeve (2) at one end and located outside the outer sleeve (1) at the other end; the inner sleeve (2) is sleeved with a force nut (3) on the inner side, the outer side wall of the force nut (3) is attached to the inner side wall of the inner sleeve (2), and the cross section of the outer side wall of the force nut (3) and the cross section of the inner side wall of the inner sleeve (2) are both polygonal structures.

2. A split sleeve for use in unthreading a double-end stud according to claim 1, wherein, A limiting column (11) is installed on the side wall of the outer sleeve (1), and a limiting hole (21) corresponding to the limiting column (11) is formed on the inner sleeve (2).

3. A split sleeve for use in unthreading a double-end stud according to claim 2, wherein, The number of the limiting column (11) and the limiting hole (21) is multiple.

4. A split sleeve for use in unthreading a double-end stud as defined in claim 1, wherein The outer sleeve (1) is divided into a force receiving section (12) and a first mounting section (13), the force receiving section (12) is connected with the electric tool, the cross section of the inner side wall of the first mounting section (13) is a polygonal structure, and the cross section of the outer side wall of the inner sleeve (2) near the first mounting section (13) is a polygonal structure.

5. A split sleeve for use in unthreading a double-end stud according to claim 4, wherein, A tower spring (14) is fixed to the bottom wall of the inner side notch of the first mounting section (13).

6. A split sleeve for use in unthreading a double-end stud according to claim 5, wherein, The inner sleeve (2) is divided into a second mounting section (22) and a conical section (23), the cross section of the outer side wall of the second mounting section (22) is a polygonal structure and is attached to the inner side wall of the first mounting section (13), and the cross section of the inner side wall of the conical section (23) is a polygonal structure and is attached to the outer side wall of the force nut (3).

7. A split sleeve for use in unthreading a double-end stud according to claim 6, wherein, The force nut (3) comprises a first nut (31) and a second nut (32) sleeved on the inner side wall of the conical section (23), the first nut (31) is located near the tower spring (14), and the end of the first nut (31) away from the tower spring (14) is attached to the end surface of the second nut (32).

8. A split sleeve for use in unthreading a double-end stud as defined in claim 6, wherein, The inner side wall of the second mounting section (22) is formed with a tapered surface (221) expanding towards the first mounting section (13).