Special-shaped socket spanner

By designing a special-shaped socket wrench combined with a ratchet handle, the problem of the difficulty of using socket wrenches in confined spaces was solved, achieving efficient disassembly and assembly of parts in aircraft maintenance.

CN223671112UActive Publication Date: 2025-12-16CHINESE PEOPLES LIBERATION ARMY UNIT 61267
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Patent Information

Application Number
CN202520071239.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-16
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing socket wrenches are difficult to use effectively in confined spaces, especially during routine inspections and maintenance of aircraft, where the gaps between a component and the surrounding skin are narrow and its relative position to other parts is awkward, making disassembly and installation difficult.

Method used

A device is designed comprising a frustum 1, a cone 2 with a hexagonal prism 5 fixedly connected to the top of the cone 2, a hexagonal groove 3 inside the frustum 1, a retaining seat 4 inside the cone 2, and a hollow hexagonal slot 6 inside the hexagonal prism 5. The hexagonal groove 3 communicates with the retaining seat 4, and the hollow hexagonal slot 6 extends from the top of the hexagonal prism 5 to the bottom of the frustum 1. When used with a ratchet handle, it enables disassembly and assembly operations in confined spaces.

Benefits of technology

By combining a special-shaped socket wrench with a ratchet handle, the vertical height difference between the skin and the parts is compensated, eliminating the need to disassemble adjacent parts, reducing labor intensity, improving work efficiency, and saving disassembly time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special-shaped socket spanner, which relates to the technical field of socket spanners, and comprises a circular truncated cone seat, a cone is fixedly connected to the top of the circular truncated cone seat, a convex hexagonal prism is fixedly connected to the top of the cone, a hexagonal groove is arranged in the circular truncated cone seat, a clamping seat is arranged in the cone, and the clamping seat is fixedly connected with the convex hexagonal prism. A hollowed-out hexagonal groove is formed in the protruding hexagonal prism and communicates with the clamping base, and the hollowed-out hexagonal groove penetrates through the top of the protruding hexagonal prism and extends to the bottom of the circular truncated cone base. In practical application, the wrench is combined with a ratchet handle, the lower six-edge sleeve penetrates through a skin round hole to be fixed to a part, the vertical height difference between the skin and the part is made up for disassembly and assembly, the step of disassembly and assembly of adjacent parts is omitted, the labor intensity is reduced, the working efficiency is improved, and the disassembly operation time is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sleeve spanner technical field, concretely is a special-shaped sleeve spanner. BACKGROUND

[0002] The sleeve spanner is generally called sleeve. It is composed of multiple sleeves with hexagonal holes or dodecahedral holes and various accessories such as handles and connecting rods, and is particularly suitable for screwing bolts or nuts in very narrow or deep recesses. The sleeve head of the sleeve spanner is a concave hexagonal cylinder; the spanner is usually made of carbon structural steel or alloy structural steel, and the head part has a specified hardness, while the middle and handle parts have elasticity.

[0003] After searching, the existing public patent number: CN202121103685.4, the public patent name: a sleeve spanner, including sleeve main rod, the one end of sleeve main rod is fixedly connected with external thread joint, the middle part of external thread joint is provided with main rod clamping groove, the one end of sleeve main rod is movably connected with force rod mechanism through external thread joint and main rod clamping groove;The force rod mechanism includes force connecting rod, 3-7 mounting joints are fixedly installed on the side wall of the force connecting rod, the middle part of the mounting joint is provided with a through hole, the middle part of the mounting joint is movably connected with a limiting steel pipe through the through hole, and the other side wall of the force connecting rod is provided with a mounting hole.The sleeve spanner disclosed by the utility model is provided with a force rod mechanism, which can conveniently replace the sleeve main rod and sleeve head, save time and labor, improve work efficiency to a certain extent, and bring better use prospect.

[0004] However, the above-mentioned sleeve spanner is not convenient to use in a narrow space. In aircraft regular inspection and maintenance operation, the aperture between a component and the surrounding skin is narrow, and the relative position with other components is desperate, so it is difficult to conveniently complete the disassembly and installation work using the existing tool, and there is room for improvement. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the defects of the prior art, the utility model provides a special-shaped sleeve spanner, which solves the problem that the sleeve spanner is not convenient to use in a narrow space.

[0007] (II) Technical scheme

[0008] In order to achieve the above object, the utility model discloses a special-shaped sleeve spanner, comprising: round table seat, the top fixed connection of round table seat has the cone, the top fixed connection of cone has the convex six prism, the six prism recess is opened in the round table seat, the card seat is opened in the cone, the hollow six groove is opened in the convex six prism, the six prism recess communicates with the card seat, and the hollow six groove extends from the top of convex six prism and penetrates to the bottom of round table seat.

[0009] Preferably, the six recess inner wall parallel with the prismatic surface of convex six prism.

[0010] Preferably, the convex six prism is arranged in the central position of the top of cone.

[0011] Preferably, the convex six prism surface is provided with a connecting seat, the connecting seat is provided with a connecting groove, and the connecting groove is provided with a rotating rod.

[0012] Preferably, the rotating rod surface is provided with an anti-skid sleeve, and the connecting groove and one end of the rotating rod are of the same size.

[0013] Preferably, the round table seat surface is uniformly provided with anti-skid convex.

[0014] Preferably, the convex six prism is arranged in the central position of the top of cone.

[0015] (Three) beneficial effects

[0016] The utility model provides a special-shaped sleeve spanner, and compared with prior art, at least has following

[0017] Beneficial effects:

[0018] In practical application, by combining the spanner with the ratchet handle, the lower six sleeve is fixed on the component through the skin round hole, the vertical height difference between the skin and the component is made up, the adjacent component dismounting step is saved, the labor intensity is reduced, the work efficiency is improved, and the dismounting operation time is saved. DRAWINGS

[0019] Figure 1 It is the structure schematic drawing of the utility model;

[0020] Figure 2 It is the structure schematic drawing of the bottom of round table seat of the utility model;

[0021] Figure 3 It is the sectional structure schematic drawing of the utility model;

[0022] Figure 4 It is the structure schematic drawing of connecting seat and connecting groove of the utility model.

[0023] In the figure: 1, round table seat; 2, cone; 3, six edge recess; 4, card seat; 5, convex six edge column; 6, hollow six edge groove; 7, anti-skid convex; 8, connecting seat; 9, connecting groove; 10, rotating rod; 11, anti-skid sleeve. DETAILED DESCRIPTION

[0024] 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 scope of protection of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figures 1-4 The utility model provides a technical scheme: round table seat 1, the top fixed connection of round table seat 1 has cone 2, the top fixed connection of cone 2 has convex six edge column 5, and the inside of round table seat 1 is provided with six edge recess 3, and the inside of cone 2 is provided with card seat 4, and the inside of convex six edge column 5 is provided with hollow six edge groove 6, and six edge recess 3 is communicated with card seat 4, and hollow six edge groove 6 extends from the top of convex six edge column 5 and penetrates to the bottom of round table seat 1. Convex six edge column 5 is arranged at the central position of the top of cone 2.

[0027] The above content is analyzed: the ratchet handle connecting part is inserted into hollow six edge groove 6, so that the ratchet handle is connected with convex six edge column 5, round table seat 1 is connected with the parts below through the aircraft skin, and rotating the ratchet handle can install and dismount the parts, save the time of dismounting and improve the work efficiency.

[0028] Embodiment two:

[0029] Please refer to Figures 1-4 The utility model provides a technical scheme based on embodiment one: the edge surface of six edge recess 3 is parallel with the edge surface of convex six edge column 5.

[0030] The above content is analyzed: in order to facilitate the installation and dismounting of the parts, the rotation of six edge recess 3 is driven by the rotation of convex six edge column 5, and the parts are limited by six edge recess 3, so that the convenience of installation and dismounting of the parts is ensured.

[0031] Embodiment three:

[0032] Please refer to Figures 1-4 The utility model provides a technical scheme based on embodiment one: convex six edge column 5 is arranged at the central position of the top of cone 2.

[0033] The convex hexagonal prism 5 is arranged at the central position of the top of the cone 2, which ensures the stability of the structure and facilitates the uniformity of the force on the parts during disassembly.

[0034] Embodiment four:

[0035] Please refer to Figures 1-4 The utility model provides a technical scheme based on embodiment one: the convex hexagonal prism 5 surface is provided with connecting seat 8, connecting groove 9 is set up in connecting seat 8, and rotating rod 10 is inserted in connecting groove 9.

[0036] The convex hexagonal prism 5 is arranged at the central position of the top of the cone 2, which ensures the stability of the structure and facilitates the uniformity of the force on the parts during disassembly.

[0037] Embodiment five:

[0038] Please refer to Figures 1-4 The utility model provides a technical scheme based on embodiment one: the convex hexagonal prism 5 surface is provided with connecting seat 8, connecting groove 9 is set up in connecting seat 8, and rotating rod 10 is inserted in connecting groove 9.

[0039] The convex hexagonal prism 5 is arranged at the central position of the top of the cone 2, which ensures the stability of the structure and facilitates the uniformity of the force on the parts during disassembly.

[0040] Embodiment six:

[0041] Please refer to Figures 1-4 The utility model provides a technical scheme based on embodiment one: the convex hexagonal prism 5 surface is provided with connecting seat 8, connecting groove 9 is set up in connecting seat 8, and rotating rod 10 is inserted in connecting groove 9.

[0042] The convex hexagonal prism 5 is arranged at the central position of the top of the cone 2, which ensures the stability of the structure and facilitates the uniformity of the force on the parts during disassembly.

[0043] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A special-shaped socket wrench, characterized in that, include: A frustum (1) is provided, with a cone (2) fixedly connected to the top of the frustum (1), and a protruding hexagonal prism (5) fixedly connected to the top of the cone (2). A hexagonal groove (3) is provided inside the frustum (1), a retainer (4) is provided inside the cone (2), and a hollow hexagonal slot (6) is provided inside the protruding hexagonal prism (5). The hexagonal groove (3) is connected to the retainer (4), and the hollow hexagonal slot (6) extends from the top of the protruding hexagonal prism (5) and through to the bottom of the frustum (1).

2. The irregularly shaped socket wrench according to claim 1, characterized in that: The inner wall of the hexagonal groove (3) is parallel to the face of the protruding hexagonal prism (5).

3. The irregularly shaped socket wrench according to claim 1, characterized in that: The protruding hexagonal prism (5) is positioned at the center of the top of the cone (2).

4. The irregularly shaped socket wrench according to claim 1, characterized in that: The surface of the protruding hexagonal prism (5) is symmetrically provided with connecting seats (8), and a connecting groove (9) is provided in the connecting seat (8), and a rotating rod (10) is inserted into the connecting groove (9).

5. A non-circular socket wrench according to claim 4, characterized in that: The rotating rod (10) is fitted with an anti-slip sleeve (11), and the connecting groove (9) has the same size as one end of the rotating rod (10).

6. The irregularly shaped socket wrench according to claim 1, characterized in that: The surface of the truncated cone base (1) is uniformly distributed with anti-slip protrusions (7).

7. The irregularly shaped socket wrench according to claim 1, characterized in that: The protruding hexagonal prism (5) is positioned at the center of the top of the cone (2).

Citation Information

Patent Citations

  • Socket wrench

    CN215281720U