Double offset ring spanner

By setting up partitions and ratchet inner sleeves inside the plum blossom wrench, the limitations and alignment problems of plum blossom wrench are solved, and the efficient installation of two fasteners in a narrow space is achieved, which improves the use effect and structural strength of the wrench.

CN223115057UActive Publication Date: 2025-07-18CHONGQING QINGXU MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421785243.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-07-18
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The existing plum blossom wrench can only be used in one head and has great limitations in use. It requires carrying wrenches of multiple sizes. It is difficult to align the nuts and screws in a small space, reducing working efficiency.

Method used

A double plum blossom wrench is designed, with a partition and ratchet inner sleeve inside the wrench, and a plum blossom groove is added, allowing the installation of two sizes of fasteners, and the rotation direction is limited by the pawl, which improves alignment efficiency.

Benefits of technology

It improves the installation efficiency of nuts in a small space, and can install or disassemble two sizes of fasteners at the same time, enhancing the effectiveness of the device and structural strength.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223115057U_ABST
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Abstract

The utility model discloses a double offset ring spanner which comprises a spanner handle, the left end of the spanner handle is fixedly connected with an upper bent handle, the left end of the upper bent handle is fixedly connected with a first spanner head, the right end of the spanner handle is fixedly connected with a lower bent handle, and the right end of the lower bent handle is fixedly connected with a second spanner head. A first ratchet wheel inner sleeve is rotationally connected into the first wrench head, a first partition plate is arranged in the first ratchet wheel inner sleeve, a second ratchet wheel inner sleeve is rotationally connected into the second wrench head, and a second partition plate is arranged in the second ratchet wheel inner sleeve. According to the nut installing device, the partition plate can be used for placing nuts when the wrench is used for installing the nuts in a narrow space, the situation that the nuts are difficult to align with a screw rod in the nut installing process is effectively prevented, then the nut installing efficiency is effectively improved, and the using effect of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical tools, and particularly relates to a double plum blossom wrench. Background Art

[0002] A wrench is a commonly used installation and disassembly tool. It is a manual tool that uses the lever principle to twist bolts, screws, nuts, and other threaded fasteners or nuts with open or socket holes for holding bolts or nuts. Wrenches usually have a gripping part at one or both ends of the handle. By applying an external force to the handle, the bolt or nut can be twisted. When in use, applying an external force to the handle along the thread rotation direction can twist the bolt or nut.

[0003] The existing plum blossom wrench is single - headed and single - used, and can only be used to disassemble and assemble two kinds of objects to be fastened. Its use has limitations. When an operator performs maintenance and disassembly, multiple sizes of wrenches need to be carried, which is not conducive to the carrying of maintenance workers. At the same time, during the use process, the wrench needs to be replaced according to different objects to be fastened, reducing the work efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a double plum blossom wrench. A partition is arranged inside each wrench head. The partition can place the nut when the wrench installs the nut in a narrow space, effectively preventing the situation that it is difficult to align the nut with the screw during the nut installation process, thereby effectively improving the nut installation efficiency and the use effect of the device.

[0005] The device is provided with four plum blossom slots, which can install and disassemble two sizes of fasteners, greatly improving the installation or disassembly efficiency.

[0006] The utility model also provides the above - mentioned double plum blossom wrench, including: a wrench handle. The left end of the wrench handle is fixedly connected with an upper bent handle. The left end of the upper bent handle is fixedly connected with a first wrench head. The right end of the wrench handle is fixedly connected with a lower bent handle. The right end of the lower bent handle is fixedly connected with a second wrench head.

[0007] A first ratchet inner sleeve is rotatably connected inside the first wrench head, and a first partition is arranged inside the first ratchet inner sleeve. A second ratchet inner sleeve is rotatably connected inside the second wrench head, and a second partition is arranged inside the second ratchet inner sleeve.

[0008] According to the above - mentioned double plum blossom wrench, pawls are arranged between the first wrench head and the first ratchet inner sleeve, and between the second wrench head and the second ratchet inner sleeve, respectively, for restricting the rotation direction of the first ratchet inner sleeve or the second ratchet inner sleeve.

[0009] According to the double offset ring spanner described above, a first through hole is provided in the middle of the first partition plate to facilitate the passing of the screw rod.

[0010] According to the double offset ring spanner described above, a second through hole is provided in the middle of the second partition plate to facilitate the passing of the screw rod.

[0011] According to the double offset ring spanner described above, the wrench handle, the upper bent handle, the lower bent handle, the first wrench head and the second wrench head are made by integral forming technology to improve the structural strength of the wrench.

[0012] According to the double offset ring spanner described above, a second double-lobe socket is provided inside the first ratchet inner sleeve on the upper side of the first partition plate, and a first double-lobe socket is provided inside the first ratchet inner sleeve on the lower side of the first partition plate.

[0013] According to the double offset ring spanner described above, a third double-lobe socket is provided inside the second ratchet inner sleeve on the upper side of the second partition plate, and a fourth double-lobe socket is provided inside the second ratchet inner sleeve on the lower side of the second partition plate.

[0014] According to the double offset ring spanner described above, the first wrench head is arranged on the upper wall of the wrench handle, the second wrench head is arranged on the lower side of the wrench handle, the first double-lobe socket and the third double-lobe socket are equal in size, and the second double-lobe socket and the fourth double-lobe socket are equal in size.

[0015] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0017] Figure 1 is a schematic structural diagram of the double offset ring spanner of the present utility model;

[0018] Figure 2 is a front view schematic diagram of the double offset ring spanner of the present utility model;

[0019] Figure 3 is a top view schematic diagram of the double offset ring spanner of the present utility model;

[0020] Figure 4 is a cross-sectional view schematic diagram of the double offset ring spanner of the present utility model.

[0021] Legend:

[0022] 1. Wrench handle; 101. Upper bent handle; 102. Lower bent handle; 2. First wrench head; 201. First ratchet inner sleeve; 202. First partition; 2021. First through hole; 203. First plum blossom groove; 204. Second plum blossom groove; 3. Second wrench head; 301. Second ratchet inner sleeve; 302. Second partition; 3021. Second through hole; 303. Third plum blossom groove; 304. Fourth plum blossom groove. Detailed implementation manners

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] Refer to Figures 1-4 , the double plum blossom wrench of the embodiment of the present utility model includes a wrench handle 1. The left end of the wrench handle 1 is fixedly connected with an upper bent handle 101. The left end of the upper bent handle 101 is fixedly connected with a first wrench head 2. The right end of the wrench handle 1 is fixedly connected with a lower bent handle 102. The right end of the lower bent handle 102 is fixedly connected with a second wrench head 3. The wrench handle 1, the upper bent handle 101, the lower bent handle 102, the first wrench head 2 and the second wrench head 3 are made by an integral forming technique, improving the structural strength of the wrench.

[0026] Inside the first wrench head 2, a first ratchet inner sleeve 201 is rotatably connected. Inside the first ratchet inner sleeve 201, there is a first partition plate 202. In the middle of the first partition plate 202, a first through hole 2021 is provided to facilitate the screw to pass through. Inside the second wrench head 3, a second ratchet inner sleeve 301 is rotatably connected. Inside the second ratchet inner sleeve 301, there is a second partition plate 302. In the middle of the second partition plate 302, a second through hole 3021 is provided to facilitate the screw to pass through. Pawls are provided between the first wrench head 2 and the first ratchet inner sleeve 201, and between the second wrench head 3 and the second ratchet inner sleeve 301 to limit the rotation direction of the first ratchet inner sleeve 201 or the second ratchet inner sleeve 301.

[0027] Above the first partition plate 202 and inside the first ratchet inner sleeve 201, a second plum blossom groove 204 is provided. Below the first partition plate 202 and inside the first ratchet inner sleeve 201, a first plum blossom groove 203 is provided. Above the second partition plate 302 and inside the second ratchet inner sleeve 301, a third plum blossom groove 303 is provided. Below the second partition plate 302 and inside the second ratchet inner sleeve 301, a fourth plum blossom groove 304 is provided. The first wrench head 2 is arranged on the upper wall of the wrench handle 1, and the second wrench head 3 is arranged on the lower side of the wrench handle 1.

[0028] The first plum blossom groove 203 and the third plum blossom groove 303 are of the same size, and the second plum blossom groove 204 and the fourth plum blossom groove 304 are of the same size.

[0029] Working principle: Inside each wrench head of this device, a partition plate is provided. The partition plate can place the nut when the wrench installs the nut in a narrow space, effectively preventing the situation that it is difficult to align the nut with the screw during the nut installation process, thereby effectively improving the installation efficiency of the nut and the use effect of the device. This device is provided with four plum blossom grooves, which can install and disassemble two sizes of fasteners, greatly improving the installation or disassembly efficiency.

[0030] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. Double-ended box wrench, characterized in that, Comprising: A wrench handle (1), a bent upper handle (101) is fixedly connected to the left end of the wrench handle (1), a first wrench head (2) is fixedly connected to the left end of the bent upper handle (101), a bent lower handle (102) is fixedly connected to the right end of the wrench handle (1), and a second wrench head (3) is fixedly connected to the right end of the bent lower handle (102); A first ratchet inner sleeve (201) is rotatably connected inside the first wrench head (2), a first partition plate (202) is inside the first ratchet inner sleeve (201), a second plum blossom groove (204) is arranged above the first partition plate (202) and inside the first ratchet inner sleeve (201), and a first plum blossom groove (203) is arranged below the first partition plate (202) and inside the first ratchet inner sleeve (201); A second ratchet inner sleeve (301) is rotatably connected inside the second wrench head (3), a second partition plate (302) is inside the second ratchet inner sleeve (301), a third plum blossom groove (303) is arranged above the second partition plate (302) and inside the second ratchet inner sleeve (301), and a fourth plum blossom groove (304) is arranged below the second partition plate (302) and inside the second ratchet inner sleeve (301).

2. The double offset ring spanner according to claim 1, wherein Ratchet pawls are arranged between the first wrench head (2) and the first ratchet inner sleeve (201), and between the second wrench head (3) and the second ratchet inner sleeve (301).

3. The double offset ring spanner according to claim 1, characterized in that, A first through hole (2021) is arranged in the middle of the first partition plate (202).

4. The double offset ring spanner according to claim 1, wherein, A second through hole (3021) is arranged in the middle of the second partition plate (302).

5. The double plum blossom wrench according to claim 1, wherein, The wrench handle (1), the bent upper handle (101), the bent lower handle (102), the first wrench head (2) and the second wrench head (3) are made by an integral forming technique.

6. The double offset ring spanner according to claim 1, wherein, The first wrench head (2) is arranged on the upper wall of the wrench handle (1), the second wrench head (3) is arranged on the lower side of the wrench handle (1), the first plum blossom groove (203) and the third plum blossom groove (303) are of equal size, and the second plum blossom groove (204) and the fourth plum blossom groove (304) are of equal size.