Torque wrench tool with cylinder digital display
By designing a torque wrench with digital cylinder display, the problems of high cost and inconvenient maintenance in the existing technology are solved, and the torque tightening effect with high precision and efficiency is achieved.
Patent Information
- Application Number
- CN202421968965.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The existing wireless digital torque wrench is costly and inconvenient to maintain in the field of high-precision torque fastening, and is not suitable for large-scale production lines.
A torque wrench tool with digital cylinder display is designed, including a detachable wrench assembly and cylinder assembly. The torque value is pre-entered through the cylinder controller and the gas regulating valve. The digital display screen displays the torque magnitude in real time and prompts that it exceeds the preset range through the alarm light.
It achieves high precision, fast efficiency, easy management and precise control of torque tightening, reduces the amount of labor of operators and reduces the maintenance complexity of equipment.
Smart Images

Figure CN222903858U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of torque wrenches, in particular to a torque wrench assembly with a cylinder digital display. Background Art
[0002] The working principle of a torque wrench is based on the measurement and control of torque. The user first sets the desired torque value and then connects the wrench to the bolt or nut. As the wrench rotates and applies force, the built-in torque measurement mechanism accumulates and monitors the applied torque. Once the preset torque value is reached, the wrench will remind the user to stop applying force in different ways (such as making a click, lighting an indicator light, or vibrating).
[0003] At present, there is a great demand for monitoring in the field of optical components, assembly pre-tightening and torque monitoring of precision machinery, especially for production assembly lines with high requirements for high-precision torque tightening. The existing wireless digital torque wrenches are operated with imported torque tightening machines, which are relatively expensive and inconvenient to maintain, and are not suitable for large-scale production lines. Utility Model Content
[0004] The purpose of the utility model is to provide a torque wrench manual device with a cylinder digital display, aiming to solve at least one of the technical problems existing in the above-mentioned prior art. To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows:
[0005] A torque wrench manual device with a cylinder digital display comprises a wrench assembly and a cylinder assembly, wherein the wrench assembly comprises a wrench body and a torque head, wherein the torque head is detachably arranged at the end of the wrench body, and the wrench body is provided with a digital display screen for displaying the torque magnitude; the cylinder assembly comprises a cylinder body, a cylinder controller, a gas regulating valve and a connecting pipe, wherein the cylinder controller is arranged at the end of the cylinder body, and the connecting pipe is arranged at the end of the cylinder controller away from the cylinder body, and the gas regulating valve is arranged on the outer periphery of the connecting pipe, and the end of the wrench body away from the torque head is detachably connected to the connecting pipe.
[0006] As a further solution of the utility model: the wrench assembly further includes a torque adjuster and a torque scale ring, and the torque scale ring and the torque adjuster are matched and arranged at the connection between the torque head and the wrench body.
[0007] As a further solution of the utility model: a threaded interface is provided at the end of the wrench body away from the torque head, and a threaded pipe is provided at the end of the connecting pipe away from the cylinder body, and the threaded pipe is screwed into the threaded interface.
[0008] As a further solution of the utility model: an alarm light with a flashing alarm prompt function is also arranged on the digital display screen.
[0009] As a further solution of the utility model: the cylinder controller is powered by a rechargeable battery and does not require an external power supply.
[0010] The utility model has the following beneficial effects:
[0011] The utility model provides a torque wrench manual device with a cylinder digital display, comprising a wrench assembly and a cylinder assembly that are detachably connected together, the wrench assembly comprising a wrench body, a torque head, a torque adjuster and a torque scale ring, and the cylinder assembly comprising a cylinder body, a cylinder controller, a gas regulating valve and a connecting pipe; when in use, a torque head of a suitable style is selected according to the model of the nut, and then the air intake volume corresponding to the torque value is pre-input through the cylinder controller and the gas regulating valve, and then the wrench is connected to the nut, as the wrench rotates and applies force, the torque size is displayed in real time on the digital display screen, after the torque size reaches the preset value, the wrench stops rotating, and the torque size exceeds the preset size range value, the digital display screen will prompt through the flashing alarm light, the utility model not only reduces the workload of operators, but also achieves the purposes of high precision, high efficiency, easy management and precise control. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described below in conjunction with the accompanying drawings.
[0013] Figure 1 The utility model is a schematic diagram of the overall structure of the torque wrench manual assembly with a cylinder digital display.
[0014] In the figure: 1. Wrench assembly; 11. Wrench body; 12. Torque head; 13. Digital display screen; 14. Torque adjuster; 15. Torque scale ring; 16. Threaded interface; 17. Warning light; 2. Cylinder assembly; 21. Cylinder body; 22. Cylinder controller; 23. Gas regulating valve; 24. Connecting pipe; 25. Threaded pipe. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", "front", "back", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation. Therefore, it should not be understood as a limitation on the present invention.
[0017] In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. 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 a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0018] See also Figure 1 As shown, an embodiment of the utility model provides a torque wrench assembly with a cylinder digital display, comprising a wrench assembly 1 and a cylinder assembly 2 that are detachably connected together.
[0019] Among them, see Figure 1 As shown, in one embodiment, the wrench assembly 1 includes a wrench body 11 and a torque head 12. The torque head 12 is detachably arranged at the end of the wrench body 11. It is worth noting that the torque head 12 can be replaced with different styles of tooling to adapt to the installation of small nuts of different models. A digital display screen 13 for displaying the torque size is provided on the wrench body 11, and an alarm light 17 with a flashing alarm prompt function is also provided on the digital display screen 13. The digital display screen 13 accurately displays the torque size. If it exceeds the preset size range, the digital display screen 13 will flash the alarm light 17 to prompt.
[0020] Furthermore, the wrench assembly 1 also includes a torque regulator 14 and a torque scale ring 15. The torque scale ring 15 and the torque regulator 14 are matched and sleeved at the connection between the torque head 12 and the wrench body 11. The torque size can be manually and accurately adjusted through the cooperation of the torque regulator 14 and the torque scale ring 15.
[0021] See also Figure 1As shown, in one embodiment, the cylinder assembly 2 includes a cylinder body 21, a cylinder controller 22, a gas regulating valve 23 and a connecting pipe 24. The cylinder controller 22 is arranged at the end of the cylinder body 21, and the cylinder controller 22 controls the air intake of the cylinder. The connecting pipe 24 is arranged at the end of the cylinder controller 22 away from the cylinder body 21. The gas regulating valve 23 is arranged on the outer periphery of the connecting pipe 24. The end of the wrench body 11 away from the torque head 12 is detachably connected to the connecting pipe 24. The air intake controls the torque. The gas regulating valve 23 can manually control the air intake, thereby controlling the required torque to adapt the gas. The scale on the gas regulating valve 23 simulates the state of the adaptation size with the torque scale ring 15 to set the control range value. The cylinder controller 22 can store the parameter information of the wrench body 11 working in different modes, so as to achieve the purpose of high precision, high efficiency, easy management and precise control.
[0022] Furthermore, a threaded interface 16 is provided at the end of the wrench body 11 away from the torque head 12, and a threaded port pipe 25 is provided at the end of the connecting pipe 24 away from the cylinder body 21, and the threaded port pipe 25 is screwed into the threaded interface 16. The cylinder controller 22 is powered by a rechargeable battery without an external power supply, so that the utility model can be applied to different production environments and is less affected by the use environment.
[0023] When assembling a torque wrench with a cylinder digital display provided by the utility model, a torque head 12 of a suitable style is selected according to the model of the nut, and then the air intake corresponding to the torque value is pre-input through the cylinder controller 22 and the gas regulating valve 23, and then the wrench is connected to the nut. As the wrench rotates and applies force, the torque size is displayed in real time on the digital display screen 13. After the torque size reaches the preset value, the wrench stops rotating. If the torque size exceeds the preset size range, the digital display screen 13 will flash the alarm light 17 to prompt.
[0024] The above detailed description of the preferred embodiments of the utility model should not be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.
Claims
1. A torque wrench with a cylinder digital display, characterized in that: The invention comprises a wrench assembly (1) and a cylinder assembly (2), wherein the wrench assembly (1) comprises a wrench body (11) and a torque head (12), wherein the torque head (12) is detachably arranged at the end of the wrench body (11), and a digital display screen (13) for displaying the torque magnitude is arranged on the wrench body (11); the cylinder assembly (2) comprises a cylinder body (21), a cylinder controller (22), a gas regulating valve (23) and a connecting pipe (24), wherein the cylinder controller (22) is arranged at the end of the cylinder body (21), the connecting pipe (24) is arranged at the end of the cylinder controller (22) away from the cylinder body (21), the gas regulating valve (23) is arranged on the outer periphery of the connecting pipe (24), and the end of the wrench body (11) away from the torque head (12) is detachably connected to the connecting pipe (24).
2. A torque wrench with cylinder digital display according to claim 1, characterized in that: The wrench assembly (1) further comprises a torque regulator (14) and a torque scale ring (15), wherein the torque scale ring (15) and the torque regulator (14) are matched and arranged at the connection between the torque head (12) and the wrench body (11).
3. The torque wrench with cylinder digital display according to claim 1 is characterized in that: The end of the wrench body (11) away from the torque head (12) is provided with a threaded interface (16), and the end of the connecting pipe (24) away from the cylinder body (21) is provided with a threaded pipe (25), and the threaded pipe (25) is screwed into the threaded interface (16).
4. A torque wrench with cylinder digital display according to claim 1, characterized in that: The digital display screen (13) is also provided with an alarm light (17) having a flashing alarm prompting function.
5. The torque wrench with cylinder digital display according to claim 1 is characterized in that: The cylinder controller (22) is powered by a rechargeable battery and does not require an external power source.