Portable anti-falling wrench for installing bolt at high altitude

By setting a stop assembly on the portable anti-fall wrench, the wrench is safely hung and conveniently operated, and the safety hazards and risk of falling objects in carrying and using wrenches in high altitude operations are solved, and construction safety and convenience are improved.

CN222920433UActive Publication Date: 2025-05-30CHINA RAILWAY GUIZHOU HIGHWAY CONSTR CO LTD
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Patent Information

Application Number
CN202421626729.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-05-30
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

In high-altitude operations, it is difficult for construction workers to carry and use wrenches easily, which poses safety risks and risks of falling objects.

Method used

A portable anti-fall wrench is designed. By setting a hanging hole and an opening groove at the rear end of the wrench, and setting a stop assembly at the opening groove, including a mounting groove, a avoiding groove, a fixing shaft, a stop member and a spring, the safe hanging and convenient operation of the wrench are achieved.

Benefits of technology

This design not only improves the portability and safety of the wrench, prevents the wrench from falling from altitude, and ensures the safety of construction workers and smooth operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable anti-falling wrench for installing bolts at high altitude, which relates to the technical field of carrying measures of construction tools and comprises a wrench, a hanging hole is arranged at the tail end of the wrench, and an open slot is arranged at the edge of the hanging hole. Comprising a stop assembly arranged on the wrench and at the opening groove. The stop assembly comprises a mounting groove formed in the left side of the open groove and an avoiding groove formed in the right side of the open groove. A fixing shaft perpendicular to the wrench direction is mounted in the mounting groove, a stop piece is rotationally arranged on the fixing shaft, the front end of the stop piece extends into the receding groove, the inner side of the middle of the stop piece is connected with one end of a spring, the other end of the spring is connected with the mounting groove, the spring is in a compressed state, and the front end of the stop piece abuts against the interior of the receding groove. In addition, the tool has the advantages of being simple in structure, convenient to manufacture, low in cost, convenient to use, capable of improving the construction safety coefficient and the like on the whole, is suitable for the situation that an operator needs to screw a bolt at a high altitude, and guarantees the construction safety of the operator.
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Description

Technical Field

[0001] The utility model relates to the technical field of carrying measures for construction tools, and particularly to a portable anti-falling wrench for installing bolts at high altitude. Background Technique

[0002] In steel structure projects, whether it is the steel truss beam in bridge projects or the profiled steel beam and grid structure in building steel structure projects, the aerial bulk method is usually used in the selection of construction methods, and a large number of bolts need to be tightened. When working at high altitude, when construction workers move up and down the working surface, it is not convenient to carry operation tools such as wrenches. If they move on the high-altitude working surface, they still hold the wrench or simply put the wrench in their trouser pockets, which poses certain safety hazards. Therefore, in order to ensure the construction safety of personnel and the risk of falling objects at high altitude, it is necessary to design a portable anti-falling wrench tool for installing bolts at high altitude.

[0003] After retrieval, the patent with the publication number CN201279759Y provides a wrench that can be hung. An opening slot is opened on the closed ring at the rear of the ordinary wrench, so that the original closed ring becomes an open ring. In this way, the wrench can pass through the thin rope through this opening slot and be hung on the thin rope, which is very convenient for storage and retrieval and does not affect the use of the wrench. However, the opening of the wrench in this solution is always open, and it is still not as safe as the newly designed portable anti-falling wrench for installing bolts at high altitude. Content of the Utility Model

[0004] The utility model provides a portable anti-falling wrench for installing bolts at high altitude, aiming to solve the technical problems that the wrench involved in the background technique is inconvenient to carry and there is a risk of falling objects.

[0005] The utility model provides the following technical solutions to achieve the above purpose:

[0006] A portable anti-falling wrench for installing bolts at high altitude includes a wrench. A hanging hole is provided at the tail end of the wrench, and an opening slot is arranged at the edge of the hanging hole; a stop component is arranged on the wrench at the opening slot; the stop component includes an installation slot opened on the left side of the opening slot and an avoidance slot opened on the right side; a fixed shaft perpendicular to the direction of the wrench is installed in the installation slot, a stop piece is rotatably arranged on the fixed shaft, the front end of the stop piece extends into the avoidance slot, one end of a spring is connected to the inner side of the middle part of the stop piece, the other end of the spring is connected to the installation slot, and the spring is set in a compressed state so that the front end of the stop piece abuts against the inside of the avoidance slot.

[0007] In the portable anti-falling wrench for installing bolts at high altitude described above, cylindrical convex blocks are correspondingly arranged in the middle part of the stop piece and in the installation slot.

[0008] In the aforementioned portable anti-falling wrench for high-altitude bolt installation, a T-shaped groove is provided on the outer surface of the wrench beside the opening groove, and a T-shaped convenient switch arranged along the T-shaped groove is provided in the T-shaped groove. The end of the convenient switch is connected to a stop member through a cylindrical block; the width of the transverse groove of the T-shaped groove is greater than the width of the transverse head end of the convenient switch.

[0009] In the aforementioned portable anti-falling wrench for high-altitude bolt installation, the vertical groove of the T-shaped groove is in the same setting direction as the spring.

[0010] In the aforementioned portable anti-falling wrench for high-altitude bolt installation, the height of the transverse head end of the convenient switch is higher than the outer surface of the wrench.

[0011] In the aforementioned portable anti-falling wrench for high-altitude bolt installation, the height of the transverse head end of the convenient switch is 1-2 mm higher than the outer surface of the wrench.

[0012] Compared with the prior art, a portable anti-falling wrench for high-altitude bolt installation provided by the present utility model is provided with a stop assembly at the rear end of the wrench, which functions similar to an installation hanging buckle. Through this structure, the wrench can be hung on the operator's body or safety belt, facilitating the operator to climb and move with both hands free during high-altitude operation, ensuring the construction convenience and safety of the operator, and also preventing the wrench from falling from high altitude and causing danger to the operation below; and the stop assembly can be flexibly switched on and off through the convenient switch, which is convenient for operation and use. Generally, the present utility model also has the advantages of simple structure, convenient manufacturing, low cost, easy to use, and can improve the construction safety factor, etc., and is suitable for the situation where the operator needs to screw bolts at high altitude, ensuring the construction safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the structural schematic diagram of the present utility model Figure 1 ;

[0014] Figure 2 is Figure 1 the enlarged structural schematic diagram of the right end shown;

[0015] Figure 3 is Figure 1 the internal structural schematic diagram at the opening groove in ;

[0016] Figure 4 is Figure 3 the enlarged structural schematic diagram of the circular area in ;

[0017] Figure 5 is the structural schematic diagram of the present utility model Figure 2 ;

[0018] Figure 6 isFigure 5 Schematic enlarged view of the structure of the right end shown

[0019] Reference numerals: 1 - wrench; 2 - hanging hole; 3 - opening slot; 4 - stop assembly; 5 - mounting slot; 6 - avoidance slot; 7 - fixed shaft; 8 - stop member; 9 - spring; 10 - T-shaped slot; 11 - cylindrical protrusion; 12 - convenient switch; 13 - cylindrical block. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0021] Embodiment 1, a portable anti-falling wrench for high-altitude bolt installation, the structure is referred to Figures 1-4 as shown, including a wrench 1, a hanging hole 2 is provided at the tail end of the wrench 1, and an opening slot 3 is provided at the edge of the hanging hole 2; a stop assembly 4 is provided on the wrench 1 and at the opening slot 3; the stop assembly 4 includes a mounting slot 5 opened on the left side of the opening slot 3 and an avoidance slot 6 opened on the right side; a fixed shaft 7 perpendicular to the direction of the wrench 1 is installed in the mounting slot 5, a stop member 8 is rotatably provided on the fixed shaft 7, the front end of the stop member 8 extends into the avoidance slot 6, one end of a spring 9 is connected to the inner side of the middle part of the stop member 8, the other end of the spring 9 is connected to the mounting slot 5, and the spring 9 is set in a compressed state so that the front end of the stop member 8 abuts against the inside of the avoidance slot 6.

[0022] Cylindrical protrusions 11 are correspondingly provided in the middle part of the stop member 8 and in the mounting slot 5, and the cylindrical protrusions 11 facilitate the installation of the spring 9. When installing the spring 9, both ends can be sleeved on the cylindrical protrusions 11.

[0023] When this wrench is hung, hanging objects such as ropes and straps enter from the opening slot 3, squeeze the stop member 8, while compressing the spring 9, the rear end of the stop member 8 rotates around the fixed shaft 7, and the hanging object can avoid the front end of the stop member 8 from the avoidance slot 6 and then enter the hanging hole 2. When entering the hanging hole 2, the spring 9 resets so that the front end of the stop member 8 abuts against the inside of the avoidance slot 6, completing the closure of the opening slot 3, thereby improving the safety of the wrench hanging; when it is necessary to remove the wrench, press the stop member 8 to form a passage for the hanging object in the avoidance slot 6, and the wrench can be removed along the passage.

[0024] Embodiment 2, a portable anti-falling wrench for high-altitude bolt installation, this embodiment is carried out on the basis of Embodiment 1, and the structure is referred to Figures 5-6As shown in the figure, further, a T-shaped groove 10 is provided on the outer surface of the wrench 1 beside the opening groove 3. A T-shaped convenient switch 12 arranged along the T-shaped groove 10 is provided in the T-shaped groove 10. The end of the convenient switch 12 is connected to the stopper 8 through a cylindrical block 13; the width of the transverse groove of the T-shaped groove 10 is greater than the width of the transverse head end of the convenient switch 12, providing an operating space for the convenient switch 12.

[0025] The vertical groove of the T-shaped groove 10 is arranged in the same direction as the spring 9, which is easier to operate, and the vertical groove of the T-shaped groove 10 guides the T-shaped convenient switch 12.

[0026] The height of the transverse head end of the convenient switch 12 is higher than the outer surface of the wrench 1, so as to facilitate the operator to press the transverse head end of the convenient switch 12.

[0027] The height of the transverse head end of the convenient switch 12 is 1-2 mm higher than the outer surface of the wrench 1. While facilitating the operator to press the transverse head end of the convenient switch 12, it does not have an excessive height and can prevent misoperation.

[0028] With this setting of the wrench, the operator can press the transverse head end of the convenient switch 12 along the T-shaped groove 10 to facilitate opening the stopper assembly 4.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application, according to the technical solution and its concept of the present application, makes equivalent substitutions or changes, and should be covered by the protection scope of the present application.

Claims

1. A portable anti-fall wrench for installing bolts at high altitude, comprising a wrench (1), a hanging hole (2) being provided at the tail end of the wrench (1), an opening groove (3) being provided at the edge of the hanging hole (2), and characterized in that: The invention comprises a stopper assembly (4) which is arranged on a wrench (1) and at an opening groove (3); the stopper assembly (4) comprises a mounting groove (5) which is opened on the left side of the opening groove (3) and an avoidance groove (6) which is opened on the right side; a fixed shaft (7) which is arranged perpendicular to the direction of the wrench (1) is installed in the mounting groove (5); a stopper (8) is rotatably arranged on the fixed shaft (7); the front end of the stopper (8) extends into the avoidance groove (6); the inner side of the middle part of the stopper (8) is connected to one end of a spring (9); the other end of the spring (9) is connected to the mounting groove (5); the spring (9) is set in a compressed state so that the front end of the stopper (8) is against the avoidance groove (6).

2. A portable anti-fall wrench for high-altitude installation of bolts according to claim 1, characterized in that: A cylindrical protrusion (11) is correspondingly arranged in the middle of the stopper (8) and in the mounting groove (5).

3. A portable anti-fall wrench for high-altitude installation of bolts according to any one of claims 1-2, characterized in that: The outer surface of the wrench (1) is provided with a T-shaped groove (10) beside the opening groove (3), and a T-shaped convenient switch (12) is provided in the T-shaped groove (10) and arranged along the T-shaped groove (10), and the end of the convenient switch (12) is connected to the stopper (8) through a cylindrical block (13); the width of the transverse groove of the T-shaped groove (10) is greater than the width of the transverse head end of the convenient switch (12).

4. A portable anti-fall wrench for high-altitude installation of bolts according to claim 3, characterized in that: The vertical groove of the T-shaped groove (10) is arranged in the same direction as the spring (9).

5. A portable anti-fall wrench for high-altitude installation of bolts according to claim 4, characterized in that: The transverse head end of the convenient switch (12) is arranged at a height higher than the outer surface of the wrench (1).

6. A portable anti-fall wrench for high-altitude installation of bolts according to claim 5, characterized in that: The height of the transverse head end of the convenient switch (12) is 1-2 mm higher than the outer surface of the wrench (1).

Citation Information

Patent Citations

  • Spanner capable of being hung

    CN201279759Y