Durable double-end wrench

Abstract

The utility model relates to the field of mechanical tools, and discloses a durable double-end wrench which comprises a connecting shaft, connecting covers are arranged at the top and the bottom of the connecting shaft in a sleeved mode, a fixed wrench is arranged on the outer wall of the connecting shaft in a sleeved mode, and an adjustable wrench is rotationally connected to the position, corresponding to the upper portion of the fixed wrench, of the outer wall of the connecting shaft in a sleeved mode. In a traditional mode, maintenance personnel need to operate two screws one by one, time consumption is long, operation positions and adjusting tools are frequently replaced, synchronous rotation of the two screws is achieved through the design of the adjustable spanner and the fixing assembly, operation time is greatly shortened, working efficiency is improved, the operation process is simple and easy to understand, and the maintenance cost is reduced. Synchronous operation of the two screws can be achieved only by pulling the limiting block, rotating the adjustable wrench and loosening the limiting block, and extra tools or complex operation steps are not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical tool field, concretely is a durable double -end wrench. BACKGROUND

[0002] In mechanical maintenance, assembly or daily life, often need to use wrench to tighten or loosen screw. When needing to handle two parallel screws, maintenance personnel can only operate one screw first, and then turn to another screw after completion. This one -by -one operation mode not only takes a long time, and frequent replacement operation position and adjustment tool also greatly reduce the working efficiency, increase the labor intensity of operating personnel, and therefore we put forward a durable double -end wrench. SUMMARY

[0003] In view of the prior art's insufficient, the utility model provides a durable double -end wrench, solves above -mentioned problem.

[0004] In order to realize above -mentioned purpose, the utility model provides the following technical scheme: a durable double -end wrench, including connecting shaft, the top and bottom of connecting shaft are all set with connecting cover, the outer wall of connecting shaft is set with fixed wrench, the outer wall of connecting shaft is rotatably connected with adjustable wrench in the upper portion of fixed wrench, still include:

[0005] Synchronous rotation fixing assembly, this assembly is arranged on fixed wrench, is used for fixing the position after the adjustable wrench is rotated.

[0006] The top of adjustable wrench is close to the position of end portion and is equipped with the positioning hole of passing through to the bottom.

[0007] One end of fixed wrench is fixedly connected with operation handle, and the top of operation handle is close to the position of end portion and is equipped with the fixed hole of passing through to the bottom.

[0008] The synchronous rotation fixing assembly includes a plug, a limiting plate and a return spring, the plug is vertically installed on the top of the fixed wrench, the limiting plate is a square and is sleeved on the outer wall of the plug, and the return spring is sleeved on the outer wall of the plug and corresponds to the limiting plate and the top of the fixed wrench.

[0009] The synchronous rotation fixing assembly further includes a limiting block, and the bottom end of the plug extends out of the bottom end of the fixed wrench and is sleeved with the limiting block.

[0010] The top of the plug is slidably inserted into the fixed hole and the positioning hole.

[0011] Compared with the prior art, the utility model provides a durable double -end wrench, which has the following beneficial effects:

[0012] 1. The durable double-head wrench, through the design of adjustable wrench and fixed assembly, realizes the synchronous rotation of two screws, greatly shortens the operation time and improves the work efficiency.

[0013] 2. The durable double-head wrench, the operation process is simple and easy to understand. Only by pulling the limiting block, rotating the adjustable wrench and relaxing the limiting block, the synchronous operation of two screws can be realized without additional tools or complex operation steps.

[0014] 3. The durable double-head wrench, through the design of the fixed assembly, the adjustable wrench can be firmly fixed on the fixed wrench after rotation, ensuring the stability during operation. This avoids the instability problem caused by frequent tool replacement or posture adjustment in the traditional way. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a bolt schematic view of the utility model;

[0017] Fig. 3 It is a fixed wrench and adjustable wrench structure split schematic view of the utility model.

[0018] In the drawing: 1, connecting shaft; 2, connecting cover; 3, fixed wrench; 4, adjustable wrench; 5, operation handle; 6, positioning hole; 7, fixed hole; 8, bolt; 9, limiting plate; 10, return spring; 11, limiting block. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 A durable double-head wrench, comprising a connecting shaft 1, the top and bottom of the connecting shaft 1 are sleeved with a connecting cover 2, the outer wall of the connecting shaft 1 is sleeved with a fixed wrench 3, the outer wall of the connecting shaft 1 is rotatably connected with an adjustable wrench 4 corresponding to the upper part of the fixed wrench 3, when one screw needs to be operated, one of the fixed wrench 3 or the adjustable wrench 4 is held, and the other one is used to operate the screw, further comprising:

[0021] Synchronous rotation fixing assembly, the assembly is arranged on the fixed wrench 3, used for fixing the position of the adjustable wrench 4 after rotation.

[0022] The top of the adjustable wrench 4 is provided with a positioning hole 6 extending to the bottom near the end position, and the limit plate 9 drives the bolt 8 to slide upward on the fixed wrench 3, so that the top of the bolt 8 is inserted into the fixed hole 7.

[0023] One end of the fixed wrench 3 is fixedly connected with a work handle 5, and the top of the work handle 5 is provided with a fixed hole 7 extending to the bottom near the end position.

[0024] The synchronous rotation fixing assembly includes a bolt 8, a limit plate 9 and a return spring 10, the top of the fixed wrench 3 is slidably provided with a vertical bolt 8, the outer wall of the bolt 8 is sleeved with a square limit plate 9, and the outer wall of the bolt 8 is sleeved with a return spring 10 between the limit plate 9 and the top of the fixed wrench 3, the adjustable wrench 4 is rotated one hundred and eighty degrees on the connecting shaft 1, the adjustable wrench 4 is rotated one hundred and eighty degrees and located directly above the fixed wrench 3, and the limit block 11 is loosened, and the limit plate 9 is pushed upward by the rebound force of the return spring 10.

[0025] The synchronous rotation fixing assembly further includes a limit block 11, the bottom end of the bolt 8 slidably extends out of the bottom end of the fixed wrench 3 and is sleeved with the limit block 11, when the top of the limit block 11 completely matches the bottom of the fixed wrench 3, the two screws can be synchronously operated.

[0026] The top of the bolt 8 is slidably inserted into the fixed hole 7 and the positioning hole 6, and the top of the bolt 8 can be slidably inserted into the fixed hole 7 and the positioning hole 6 to realize the fixing and release of the adjustable wrench 4.

[0027] Structure description: connecting shaft 1: as the core supporting component of the wrench, the top and the bottom thereof are sleeved with connecting covers 2, for enhancing the structural stability and aesthetic appearance;

[0028] Connecting cover 2: fixed on the top and the bottom of the connecting shaft 1 respectively, plays a role of covering and protecting the connecting shaft 1, and increases the overall aesthetic appearance of the wrench;

[0029] Fixed wrench 3: sleeved on the outer wall of the connecting shaft 1, as one of the main operating parts of the wrench. One end thereof is fixedly connected with a work handle 5, for facilitating the maintenance personnel to hold and operate;

[0030] Adjustable wrench 4: rotatably sleeved on the outer wall of the connecting shaft 1, located above the fixed wrench 3. By rotating the adjustable wrench 4, the upper and lower parallel screws with different distances can be adapted to realize flexible operation;

[0031] Operation handle 5: fixed at one end of the fixed wrench 3, providing a holding space for the maintenance personnel to tighten or loosen the screw. A fixed hole 7 is provided at the top of the operation handle 5 near the end, which penetrates to the bottom;

[0032] Positioning hole 6: provided at the top of the adjustable wrench 4 near the end, which penetrates to the bottom. It is used to cooperate with the latch 8 to fix the position of the adjustable wrench 4 after rotation;

[0033] Fixed hole 7: provided at the top of the operation handle 5 near the end, aligned with the positioning hole 6. When the latch 8 is inserted into the fixed hole 7 and the positioning hole 6, the adjustable wrench 4 is fixed on the fixed wrench 3;

[0034] Latch 8: slidingly installed on the top of the fixed wrench 3, vertically. The top of the latch 8 can be slidingly inserted into the fixed hole 7 and the positioning hole 6 to fix and release the adjustable wrench 4;

[0035] Limiting plate 9: fitted on the outer wall of the latch 8, square. It is used to ensure that the return spring 10 can smoothly rebound;

[0036] Return spring 10: fitted on the outer wall of the latch 8, located between the limiting plate 9 and the top of the fixed wrench 3. It provides a return force to automatically return the latch 8 when it is not subjected to external force, facilitating the next use;

[0037] Limiting block 11: fitted on the bottom end of the latch 8 and slidingly extended out of the bottom end of the fixed wrench 3. It provides a space for manual operation, and the maintenance personnel can control the sliding of the latch 8 by pulling the limiting block 11, thereby realizing the rotation and fixation of the adjustable wrench 4.

[0038] Working principle: when a screw needs to be worked on, hold one of the fixed wrench 3 or the adjustable wrench 4, and use the other one to work on the screw. When two parallel screws need to be rotated simultaneously, pull the limiting block 11 downward to make the latch 8 disengage from the fixed hole 7, and rotate the adjustable wrench 4 by one hundred and eighty degrees on the connecting shaft 1. After the adjustable wrench 4 is rotated by one hundred and eighty degrees, it is located directly above the fixed wrench 3, and then the limiting block 11 is released. The rebounding force of the return spring 10 pushes the limiting plate 9 upward, and the limiting plate 9 drives the latch 8 to slide upward on the fixed wrench 3, so that the top of the latch 8 is inserted into the fixed hole 7. When the top of the limiting block 11 completely matches the bottom of the fixed wrench 3, the two screws can be worked on simultaneously.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A durable double head wrench characterized by: The utility model relates to a connecting shaft (1) is provided with the connecting cover (2) on the top and bottom, the outer wall of connecting shaft (1) is provided with the fixed wrench (3), the outer wall of connecting shaft (1) is provided with the adjustable wrench (4) in the upper rotation sleeve joint of fixed wrench (3) corresponding, still include: Synchronous rotation fixed component, this component sets up on fixed wrench (3), is used for the fixed position of adjustable wrench (4) after rotation.

2. A heavy duty double head wrench as claimed in claim 1 wherein: The top of adjustable wrench (4) is close to the position of end part and is equipped with the positioning hole (6) of through to the bottom.

3. A heavy duty double head wrench as claimed in claim 1 wherein: One end of fixed wrench (3) is fixedly connected with operation handle (5), and the top of operation handle (5) is close to the position of end part and is equipped with the fixed hole (7) of through to the bottom.

4. A heavy duty double head wrench as claimed in claim 3 wherein: The synchronous rotation fixed component includes bolt (8), limit board (9) and return spring (10), the top of fixed wrench (3) is slidably installed with vertical bolt (8), the outer wall of bolt (8) is equipped with the limit board (9) of square, the outer wall of bolt (8) is equipped with return spring (10) between the top of fixed wrench (3) corresponding limit board (9).

5. A heavy duty double head wrench as claimed in claim 4 wherein: The synchronous rotation fixed component further includes limit block (11), and the bottom end of bolt (8) slidably extends out the bottom end of fixed wrench (3) and is equipped with limit block (11).

6. A heavy duty double head wrench as claimed in claim 5 wherein: The top of bolt (8) is slidably inserted into fixed hole (7) and positioning hole (6).

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