Improved torque wrench structure

Abstract

The utility model discloses an improved torque wrench structure, which belongs to the technical field of torque wrenches and comprises a main body rod, a spring is arranged in the main body rod, a scale block is rotatably connected in the main body rod, one end of the scale block is fixedly connected with a threaded rod, the threaded rod penetrates into the main body rod, and the circumferential surface of the threaded rod is in threaded connection with a threaded pipe. The threaded pipe is slidably connected into the main body rod and corresponds to the spring, one end of the threaded rod is slidably connected with an insertion rod in an inserted mode, the insertion rod penetrates through the scale block, one end of the insertion rod is fixedly connected with a rotating block, and the rotating block is matched with the scale block; according to the utility model, the torsion value adjusting part is positioned at the tail part of the main body rod, and a hidden design is adopted, so that the main body rod can be integrally processed and formed, and tedious assembly is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of torque wrenches, and more particularly to an improved torque wrench structure. Background Art

[0002] A torque wrench, also known as an electric torque wrench, torque wrench, or adjustable torque wrench, is a type of wrench that is generally categorized into three types: manual torque wrench, pneumatic torque wrench, and electric torque wrench. Fixed-torque wrenches are widely used on assembly lines with stringent tightening requirements, ensuring consistent torque values ​​across all fasteners and ensuring product quality.

[0003] At present, manual torque wrenches are a common type of torque wrench, usually consisting of a main rod and a joint. However, the main rod of most existing torque wrenches needs to be assembled with a handle and a positioning component, which is not only cumbersome to assemble, but also requires that multiple accessories be produced separately, making processing inconvenient. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In response to the problems existing in the prior art, the purpose of the present utility model is to provide an improved torque wrench structure, which aims to solve the problem that the main rod of the torque wrench in the prior art needs to be assembled with a handle and a positioning component, which is not only cumbersome to assemble, but also multiple accessories need to be produced separately, which is inconvenient to process.

[0006] 2. Technical solution

[0007] In order to solve the above problems, the present invention adopts the following technical solutions:

[0008] An improved torque wrench structure includes a main rod, a spring is provided in the main rod, a scale block is rotatably connected to the main rod, one end of the scale block is fixedly connected to a threaded rod, and the threaded rod passes through the main rod, the circumferential surface of the threaded rod is threadedly connected to a threaded tube, and the threaded tube is slidably connected to the main rod and corresponds to the spring, one end of the threaded rod is slidably inserted with an insertion rod, and the insertion rod passes through the scale block, one end of the insertion rod is fixedly connected to a rotating block, and the rotating block matches the scale block.

[0009] As a preferred solution of the present invention, a magnet is fixedly connected to the scale block, and the magnet is magnetically connected to the rotating block.

[0010] As a preferred solution of the present invention, a scale mark is provided at one end of the scale block, and a positioning mark is provided at one end of the main rod, and the positioning mark corresponds to the scale mark.

[0011] As a preferred solution of the present invention, two sliding grooves are provided on the circumferential inner wall of the main rod, two sliders are fixedly connected to the circumferential surface of the threaded tube, and the two sliders are slidably connected in the two sliding grooves respectively.

[0012] As a preferred solution of the present invention, a top block is slidably connected in the main rod, and the top block is located between the spring and the threaded tube.

[0013] As a preferred solution of the present invention, the outer surface of the main body rod is provided with a plurality of gripping grooves, and the plurality of gripping grooves are evenly distributed around the central axis of the main body rod.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) In this solution, the rotating block is pulled out and rotated to rotate the scale block and the threaded rod, thereby controlling the tension of the threaded tube adjustment spring to complete the setting of the torque value of the torque wrench. After the torque value is set, the rotating block can be retracted into the scale block, effectively preventing accidental touch. The torque value adjustment component is located at the tail end of the main rod and adopts a hidden design, so that the main rod can be processed and formed in one piece without the need for cumbersome assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the main view of the utility model;

[0018] Figure 2 This is an exploded view of the utility model;

[0019] Figure 3 It is a cross-sectional view of the present invention.

[0020] Description of the numbers in the figure:

[0021] 1. Main rod; 2. Spring; 3. Scale block; 4. Threaded rod; 5. Threaded tube; 6. Insert rod; 7. Rotating block; 8. Magnet; 9. Scale mark; 10. Positioning mark; 11. Slide groove; 12. Slider; 13. Top block; 14. Grip groove. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0025] Example:

[0026] See also Figure 1-3 An improved torque wrench structure includes a main rod 1, a spring 2 is provided in the main rod 1, a scale block 3 is rotatably connected to the main rod 1, one end of the scale block 3 is fixedly connected to a threaded rod 4, and the threaded rod 4 passes through the main rod 1, the circumferential surface of the threaded rod 4 is threadedly connected to a threaded tube 5, and the threaded tube 5 is slidably connected to the main rod 1 and corresponds to the spring 2, one end of the threaded rod 4 is slidably inserted with an insertion rod 6, and the insertion rod 6 passes through the scale block 3, one end of the insertion rod 6 is fixedly connected to a rotating block 7, and the rotating block 7 matches the scale block 3.

[0027] In this embodiment, the main rod 1 is integrally formed, and the spring 2 is installed in the main rod 1 corresponding to the spacer block. When setting the torque, the rotating block 7 is pulled out from the scale block 3 by the insertion rod 6, and the rotation block 7 is rotated by the insertion rod 6, so that the insertion rod 6 drives the scale block 3 and the threaded rod 4 to rotate, and the threaded rod 4 causes the threaded tube 5 to slide in the main rod 1, thereby adjusting the force of the spring 2 on the spacer block, so that the torque value of the torque wrench is set. After the torque value of the torque wrench is set, the rotating block 7 is pushed back to the scale block 3 to be hidden to prevent the torque value from being misadjusted.

[0028] Specifically, a magnet 8 is fixedly connected to the scale block 3 , and the magnet 8 is magnetically connected to the rotating block 7 .

[0029] In this embodiment, when the rotating block 7 is retracted and hidden in the scale block 3 , the magnet 8 attracts the rotating block 7 , so that the rotating block 7 is stabilized in the scale block 3 .

[0030] Specifically, a scale mark 9 is provided at one end of the scale block 3 , and a positioning mark 10 is provided at one end of the main rod 1 , and the positioning mark 10 corresponds to the scale mark 9 .

[0031] In this embodiment, the cooperation of the scale mark 9 and the positioning mark 10 enables the staff to intuitively see the torque value.

[0032] Specifically, two sliding grooves 11 are provided on the circumferential inner wall of the main rod 1 , and two sliders 12 are fixedly connected to the circumferential surface of the threaded tube 5 , and the two sliders 12 are slidably connected in the two sliding grooves 11 respectively.

[0033] In this embodiment, when the threaded tube 5 slides in the main rod 1 , it drives the two sliders 12 to move. The two sliders 12 slide in the two slide grooves 11 respectively to ensure the stability of the movement of the threaded tube 5 .

[0034] Specifically, a top block 13 is slidably connected in the main rod 1 , and the top block 13 is located between the spring 2 and the threaded tube 5 .

[0035] In this embodiment, the top block 13 is located between the spring 2 and the threaded tube 5 , so that the threaded tube 5 can stably adjust the tension of the spring 2 .

[0036] Specifically, a plurality of gripping grooves 14 are provided on the outer surface of the main body rod 1 , and the plurality of gripping grooves 14 are evenly distributed around the central axis of the main body rod 1 .

[0037] In this embodiment, the plurality of grip grooves 14 have an anti-slip effect, making it convenient for staff to hold and use.

[0038] Working principle: When setting the torque, the rotating block 7 is pulled out from the scale block 3 through the insertion rod 6, and the insertion rod 6 is used to rotate the rotating block 7, so that the insertion rod 6 drives the scale block 3 and the threaded rod 4 to rotate. The threaded rod 4 causes the threaded tube 5 to slide in the main rod 1, thereby adjusting the force of the spring 2 on the spacer block, so that the torque value of the torque wrench is set. After the torque value of the torque wrench is set, the rotating block 7 is pushed back to the scale block 3 to be hidden to prevent the torque value from being misadjusted.

[0039] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An improved torque wrench structure, comprising a main rod (1), characterized in that: A spring (2) is provided in the main rod (1), a scale block (3) is rotatably connected in the main rod (1), one end of the scale block (3) is fixedly connected to a threaded rod (4), and the threaded rod (4) passes through the main rod (1), a threaded tube (5) is threadedly connected to the circumferential surface of the threaded rod (4), and the threaded tube (5) is slidably connected to the main rod (1) and corresponds to the spring (2), one end of the threaded rod (4) is slidably plugged with an insertion rod (6), and the insertion rod (6) passes through the scale block (3), one end of the insertion rod (6) is fixedly connected to a rotating block (7), and the rotating block (7) matches the scale block (3).

2. The improved torque wrench structure according to claim 1, characterized in that: A magnet (8) is fixedly connected inside the scale block (3), and the magnet (8) is magnetically connected to the rotating block (7).

3. The improved torque wrench structure according to claim 2, characterized in that: One end of the scale block (3) is provided with a scale mark (9), and one end of the main body rod (1) is provided with a positioning mark (10), and the positioning mark (10) corresponds to the scale mark (9).

4. The improved torque wrench structure according to claim 3, characterized in that: Two sliding grooves (11) are provided on the circumferential inner wall of the main rod (1), and two sliding blocks (12) are fixedly connected to the circumferential surface of the threaded tube (5), and the two sliding blocks (12) are respectively slidably connected in the two sliding grooves (11).

5. The improved torque wrench structure according to claim 4, characterized in that: A top block (13) is slidably connected inside the main body rod (1), and the top block (13) is located between the spring (2) and the threaded tube (5).

6. The improved torque wrench structure according to claim 5, characterized in that: The outer surface of the main body rod (1) is provided with a plurality of gripping grooves (14), and the plurality of gripping grooves (14) are evenly distributed around the central axis of the main body rod (1).

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