Multi-station rotary lengthened right-angle wrench

By designing a multi-station rotary extended right-angle wrench, the problems of limited wrench operating space and low transmission efficiency were solved, achieving efficient torque transmission in a confined space and meeting the requirements of high precision and high efficiency operations.

CN224182951UActive Publication Date: 2026-05-01殷海柱
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
殷海柱
Filing Date
2025-05-13
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing wrenches suffer from limited operating space, low transmission efficiency, and poor torque transmission capability, making it difficult to meet the demands for high-precision and high-efficiency operations.

Method used

A multi-station rotary extended right-angle wrench was designed. By setting the right-angle handle transmission part to rotate 360° and detachably connecting it with the tightening part, combined with the transmission component and bevel gear meshing, the torque can be effectively transmitted and the transmission efficiency can be improved.

Benefits of technology

It increases the operating space, enhances the ability to operate in confined spaces, improves transmission efficiency and torque transmission capability, and meets the requirements of high-precision and high-efficiency operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wrenches, and particularly discloses a multi-station rotary lengthened right-angle wrench which comprises a wrench body. The tightening part is arranged on one side of the wrench body; the right-angle handle transmission part is arranged on the other side of the wrench body, the right-angle handle transmission part can rotate by 360 degrees relative to the tightening part, and the right-angle handle transmission part is detachably connected with the tightening part. According to the multi-station rotary lengthened right-angle wrench, the right-angle handle transmission part can rotate by 360 degrees relative to the tightening part, so that the operation space is greatly enlarged, and a user can conveniently operate in a narrow space.
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Description

Technical Field

[0001] This utility model relates to the field of wrench technology, and in particular to a multi-station rotary extended right-angle wrench. Background Technology

[0002] Existing wrenches often suffer from limited operating space and difficulty in reaching target positions, especially for tightening bolts, nuts, and other fasteners in confined spaces or deep holes, where traditional wrenches are inadequate. Furthermore, existing wrenches also have shortcomings in transmission efficiency and torque delivery, making it difficult to meet the demands for high-precision and high-efficiency operations.

[0003] Therefore, how to solve the problems of limited operating space, low transmission efficiency and poor torque transmission capability of existing wrenches has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, this utility model addresses the shortcomings of the existing technology by proposing a multi-station rotary extended right-angle wrench, aiming to solve the problems of limited operating space, low transmission efficiency, and poor torque transmission capability of existing wrenches.

[0005] This utility model provides a multi-station rotary extended right-angle wrench, comprising:

[0006] Wrench body;

[0007] A tightening part is provided on one side of the wrench body;

[0008] A right-angle handle transmission part is located on the other side of the wrench body. The right-angle handle transmission part can rotate 360° relative to the tightening part. The right-angle handle transmission part is detachably connected to the tightening part.

[0009] Furthermore, the tightening part includes:

[0010] The housing has a first through hole and a second through hole at its two ends, and a threaded seat is fixedly connected to the top of the first through hole;

[0011] The first fixing seat has two, and the two first fixing seats are symmetrically arranged in the vertical direction inside the housing. The edges of the two first fixing seats on opposite sides are fixedly connected to the edge of the first through hole. The first fixing seat is a hollow structure.

[0012] A first bearing housing is disposed inside the two first fixed seats, and a plurality of first gear teeth are provided along the axial direction of the first bearing housing, the first gear teeth being located between the two first bearing housings.

[0013] Furthermore, the tightening part also includes:

[0014] The second fixing seat has two, and the two second fixing seats are symmetrically arranged in the vertical direction inside the housing. The edges of the two second fixing seats on opposite sides are fixedly connected to the edge of the second through hole. The second fixing seat is a hollow structure.

[0015] The second bearing housing is disposed inside the two second fixed seats, and a plurality of second gear teeth are provided along the axial direction of the second bearing housing, the second gear teeth being located between the two second bearing housings.

[0016] Furthermore, the right-angle handle transmission unit includes:

[0017] A right-angled tube and a transmission assembly, wherein one end of the transmission assembly is disposed inside the right-angled tube, and the other end of the transmission assembly extends out through the opening of the right-angled tube.

[0018] Furthermore, the right-angled tube includes:

[0019] The system comprises a horizontal tube and a vertical tube, wherein the first end of the horizontal tube is connected to the first end of the vertical tube to form a right-angle structure; and the second end of the vertical tube is provided with a plurality of threaded holes evenly distributed around its circumference.

[0020] Furthermore, the transmission assembly is disposed inside the horizontal tube, and one end of the transmission assembly extends from the second end of the vertical tube.

[0021] Furthermore, the transmission assembly includes:

[0022] The first bearing and the second bearing are spaced apart and installed inside the horizontal tube.

[0023] A first bevel gear is disposed inside the horizontal tube, and the first end of the first bevel gear passes through the inside of the second bearing;

[0024] A third bearing is disposed on the top of the threaded seat, and the third bearing is detachably connected to the threaded seat;

[0025] The second bevel gear is disposed inside the vertical tube, and the first end of the first shaft gear passes through the third bearing.

[0026] The first bevel gear meshes with the second bevel gear.

[0027] Furthermore, a C-shaped washer is provided between the second bevel gear and the third bearing.

[0028] Furthermore, a retaining washer is provided between the third bearing and the threaded seat.

[0029] Furthermore, the cross-section of the second bearing housing is hexagonal.

[0030] Compared with the prior art, the beneficial effects of this utility model are that the multi-station rotary extended right-angle wrench provided by this utility model can rotate 360° relative to the tightening part through the right-angle handle transmission part, thereby greatly improving the operating space and making it convenient for users to operate in narrow spaces; at the same time, through the detachable connection design between the right-angle handle transmission part and the tightening part, users can replace different specifications or types of tightening parts according to actual needs, thereby improving transmission efficiency and torque transmission capability. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the multi-station rotary extended right-angle wrench of this utility model;

[0032] Figure 2 This is an exploded view of part of the structure of the multi-station rotary extended right-angle wrench of this utility model;

[0033] Figure 3 This is a schematic diagram of the tightening part of the multi-station rotary extended right-angle wrench of this utility model.

[0034] In the diagram: 100, wrench body; 111, housing; 112, first through hole; 113, second through hole; 114, threaded seat; 115, first fixed seat; 116, first bearing seat; 1161, first gear tooth; 117, second fixed seat; 118, second bearing seat; 1181, second gear tooth; 121, right-angle tube; 1211, horizontal tube; 1212, vertical tube; 12121, threaded hole; 1221, first bearing; 1222, second bearing; 1223, first bevel gear; 1224, third bearing; 1225, second bevel gear; 123, C-shaped washer; 124, locking washer. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this application.

[0037] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0038] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, 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 mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0039] See Figure 1-3 As shown, this embodiment provides a multi-station rotary extended right-angle wrench, including:

[0040] Wrench body 100;

[0041] The tightening part is located on one side of the wrench body 100;

[0042] The right-angle handle transmission part is located on the other side of the wrench body 100. The right-angle handle transmission part can rotate 360° relative to the tightening part. The right-angle handle transmission part and the tightening part are detachably connected.

[0043] It is understood that the multi-station rotary extended right-angle wrench provided in this embodiment can rotate 360° relative to the tightening part through the right-angle handle transmission part, thereby greatly improving the operating space and making it convenient for users to operate in confined spaces; at the same time, through the detachable connection design between the right-angle handle transmission part and the tightening part, users can replace different specifications or types of tightening parts according to actual needs, thereby improving transmission efficiency and torque transmission capability.

[0044] Specifically, the tightening part includes:

[0045] The housing 111 has a first through hole 112 and a second through hole 113 at its two ends, and a threaded seat 114 is fixedly connected to the top of the first through hole 112.

[0046] The first fixing seat 115 has two, and the two first fixing seats 115 are symmetrically arranged in the vertical direction inside the housing 111. The edges of the opposite sides of the two first fixing seats 115 are fixedly connected to the edge of the first through hole 112. The first fixing seat 115 has a hollow structure.

[0047] The first bearing housing 116 is inserted inside the two first fixed seats 115, and a plurality of first gear teeth 1161 are arranged along the axial direction of the first bearing housing 116, with the first gear teeth 1161 located between the two first bearing housings 116.

[0048] Understandably, the first bearing housing 116 ensures the wrench remains stable during rotation. The cooperation between the first bearing housing 116 and the first fixed seat 115 makes the entire tightening structure more stable and improves the service life of the wrench.

[0049] Specifically, the tightening part also includes:

[0050] The second fixing seat 117 has two parts. The two second fixing seats 117 are symmetrically arranged in the vertical direction inside the housing 111, and the edges of the opposite sides of the two second fixing seats 117 are fixedly connected to the edge of the second through hole 113. The second fixing seat 117 has a hollow structure.

[0051] The second bearing housing 118 is inserted inside the two second fixed seats 117, and a plurality of second gear teeth 1181 are provided along the axial direction of the second bearing housing 118, with the second gear teeth 1181 located between the two second bearing housings 118.

[0052] Understandably, the second bearing housing 118 is designed similarly to the first bearing housing 116, also to maintain the stability of the wrench during rotation. The cooperation between the second bearing housing 118 and the second fixed seat 117 makes the tightening part structure more stable, further improving the service life and reliability of the wrench.

[0053] Understandably, the cross-section of the second bearing housing 118 is hexagonal, which can be used for tightening hexagonal screws, increasing the wrench's practicality.

[0054] Specifically, the right-angle handle transmission unit includes:

[0055] The right-angle tube 121 and the transmission assembly are provided. One end of the transmission assembly is located inside the right-angle tube 121, and the other end of the transmission assembly extends out through the opening of the right-angle tube 121.

[0056] Understandably, the transmission assembly allows the right-angle handle's transmission unit to rotate 360° relative to the tightening part while ensuring effective torque transmission. The transmission assembly can include transmission gears, transmission shafts, and other structures. Through a well-designed transmission ratio, it allows users to operate the wrench with less effort, improving work efficiency. The right-angle tube body 121 not only makes the overall wrench structure more compact but also facilitates operation in confined spaces, further enhancing the wrench's practicality and applicability.

[0057] Specifically, the right-angle tube 121 includes:

[0058] The horizontal tube 1211 and the vertical tube 1212 are connected at the first end of the horizontal tube 1211 to the first end of the vertical tube 1212, forming a right-angle structure; the second end of the vertical tube 1212 is provided with a plurality of threaded holes 12121 evenly distributed around its circumference.

[0059] It is understandable that the threaded hole 12121 on the vertical tube body 1212 is designed to tighten the screw through the threaded hole 12121 when the position of the right-angle handle transmission part and the tightening part is adjusted to the required position, thereby fixing the relative position of the right-angle handle transmission part and the tightening part, preventing loosening or displacement during use, and ensuring the stability and reliability of the wrench.

[0060] Specifically, the transmission assembly is located inside the horizontal tube 1211, and one end of the transmission assembly extends from the second end of the vertical tube 1212.

[0061] It is understandable that one end of the transmission component extends from the second end of the vertical tube 1212 to connect with the threaded seat 114, thereby connecting the right-angle handle transmission part with the tightening part.

[0062] Specifically, the transmission components include:

[0063] The first bearing 1221 and the second bearing 1222 are spaced apart inside the horizontal tube 1211;

[0064] The first bevel gear 1223 is disposed inside the horizontal tube 1211, and the first end of the first bevel gear 1223 passes through the second bearing 1222.

[0065] The third bearing 1224 is disposed on the top of the threaded seat 114, and the third bearing 1224 is detachably connected to the threaded seat 114;

[0066] The second bevel gear 1225 is disposed inside the vertical tube 1212, and the first end of the first shaft gear passes through the third bearing 1224.

[0067] The first bevel gear 1223 meshes with the second bevel gear 1225.

[0068] Understandably, the meshing design of the first bevel gear 1223 and the second bevel gear 1225 enables torque transmission between the right-angle handle transmission unit and the tightening unit. When the user applies rotational force to the right-angle handle transmission unit, the first bevel gear 1223 drives the second bevel gear 1225 to rotate, thereby establishing a tight connection between the right-angle handle transmission unit and the tightening unit, ensuring effective torque transmission and improving work efficiency. The placement of the first bearing 1221 and the second bearing 1222 ensures the stability of the transmission assembly during rotation, reducing wear and noise, and further improving the reliability and service life of the wrench.

[0069] Specifically, a C-shaped washer 123 is provided between the second bevel gear 1225 and the third bearing 1224.

[0070] Understandably, the C-shaped washer 123 is designed to enhance the connection stability between the second bevel gear 1225 and the third bearing 1224, prevent loosening during use, and ensure the continuity and stability of torque transmission.

[0071] Specifically, a retaining washer 124 is provided between the third bearing 1224 and the threaded seat 114.

[0072] Specifically, the cross-section of the second bearing housing 118 is hexagonal.

[0073] Understandably, the second bearing housing 118 is designed with a hexagonal cross-section, which not only makes it easier for users to hold and operate, but also allows it to be used directly to tighten hexagonal screws, further expanding the wrench's applicability and enhancing its practicality.

[0074] The working principle of the multi-station rotary extended right-angle wrench provided in this embodiment is as follows: when the user needs to operate it, the right-angle handle transmission part first applies rotational force to the wrench. When rotated to the appropriate position, a screw is used to fix it by passing through the threaded hole 12121, so that the relative position of the right-angle handle transmission part and the tightening part remains unchanged. Subsequently, the user can tighten or loosen the screw by gripping the right-angle handle transmission part and through the second bearing seat 118.

[0075] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A multi-station rotary extended right-angle wrench, characterized in that, include: Wrench body; A tightening part is provided on one side of the wrench body; A right-angle handle transmission part is located on the other side of the wrench body. The right-angle handle transmission part can rotate 360° relative to the tightening part. The right-angle handle transmission part is detachably connected to the tightening part.

2. The multi-station rotary extended right-angle wrench according to claim 1, characterized in that, The tightening part includes: The housing has a first through hole and a second through hole at its two ends, and a threaded seat is fixedly connected to the top of the first through hole; The first fixing seat has two, and the two first fixing seats are symmetrically arranged in the vertical direction inside the housing. The edges of the two first fixing seats on opposite sides are fixedly connected to the edge of the first through hole. The first fixing seat is a hollow structure. A first bearing housing is disposed inside the two first fixed seats, and a plurality of first gear teeth are provided along the axial direction of the first bearing housing, the first gear teeth being located between the two first bearing housings.

3. The multi-station rotary extended right-angle wrench according to claim 2, characterized in that, The tightening part also includes: The second fixing seat has two, and the two second fixing seats are symmetrically arranged in the vertical direction inside the housing. The edges of the two second fixing seats on opposite sides are fixedly connected to the edge of the second through hole. The second fixing seat has a hollow structure. The second bearing housing is disposed inside the two second fixed seats, and a plurality of second gear teeth are provided along the axial direction of the second bearing housing, the second gear teeth being located between the two second bearing housings.

4. The multi-station rotary extended right-angle wrench according to claim 3, characterized in that, The right-angle handle transmission unit includes: A right-angled tube and a transmission assembly, wherein one end of the transmission assembly is disposed inside the right-angled tube, and the other end of the transmission assembly extends out through the opening of the right-angled tube.

5. The multi-station rotary extended right-angle wrench according to claim 4, characterized in that, The right-angle tube includes: The system comprises a horizontal tube and a vertical tube, wherein the first end of the horizontal tube is connected to the first end of the vertical tube to form a right-angle structure; and the second end of the vertical tube is provided with several threaded holes evenly distributed around its circumference.

6. The multi-station rotary extended right-angle wrench according to claim 5, characterized in that, The transmission assembly is disposed inside the horizontal tube, and one end of the transmission assembly extends from the second end of the vertical tube.

7. The multi-station rotary extended right-angle wrench according to claim 6, characterized in that, The transmission assembly includes: The first bearing and the second bearing are spaced apart and installed inside the horizontal tube. A first bevel gear is disposed inside the horizontal tube, and the first end of the first bevel gear passes through the inside of the second bearing; A third bearing is disposed on the top of the threaded seat, and the third bearing is detachably connected to the threaded seat; The second bevel gear is disposed inside the vertical tube, and the first end of the second bevel gear passes through the inside of the third bearing; The first bevel gear meshes with the second bevel gear.

8. The multi-station rotary extended right-angle wrench according to claim 7, characterized in that, A C-shaped washer is provided between the second bevel gear and the third bearing.

9. The multi-station rotary extended right-angle wrench according to claim 8, characterized in that, A retaining washer is provided between the third bearing and the threaded seat.

10. The multi-station rotary extended right-angle wrench according to claim 3, characterized in that, The cross-section of the second bearing housing is hexagonal.