Torque wrench with wireless data transmission function

Abstract

The torque wrench with the wireless data transmission function comprises a shell, one end of the shell is fixedly connected with a grab handle, the other end of the shell is fixedly connected with a torsion sensor, and the outer end of the torsion sensor is fixedly connected with a connecting rod. A connecting sleeve in the wrench head assembly is arranged on a connector fixedly connected with the end of a connecting rod in a sleeving mode, in the process that the connecting sleeve is connected with the connector in an inserted mode, a clamping head is extruded and arranged in the connector through the inner wall of a connecting groove of the connecting sleeve, and when the connector is completely arranged in the connecting groove of the connecting sleeve, a first spring rebounds; the top end of the clamping head is pushed into a clamping hole formed in the connecting sleeve, limiting and fixing of the wrench head assembly are achieved, the wrench head assembly is prevented from falling off, when replacement is needed, the clamping head is downwards pushed out of the clamping hole by pressing the pressing cap and the jacking column fixedly connected with the inner wall of the pressing cap, a user can conveniently detach the wrench head assembly, and replacement is convenient. And different wrench head assemblies can be replaced conveniently, and convenience and practicability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of torque wrenches, in particular to a torque wrench with a wireless data transmission function. Background Art

[0002] With the rapid development of China's manufacturing industry, the demand for precise torque control in the product assembly process has become more and more urgent. At the same time, the traceability requirements for products have been increased. The torque data of each screw in the assembly process needs to be recorded when it is tightened. These torque data also need to be uploaded to the server for record. When a problem occurs in the product and needs to be traced, a torque wrench with wireless data transmission function is needed.

[0003] However, the torque wrench with wireless data transmission function currently in use has a replaceable wrench head at the front end which is usually fixed by bolts, which is inconvenient to replace different wrench heads. To solve the above problem, a torque wrench with wireless data transmission function is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a torque wrench with a wireless data transmission function to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A torque wrench with wireless data transmission function, comprising a shell, one end of the shell is fixedly connected to a handle, the other end of the shell is fixedly connected to a torque sensor, the outer end of the torque sensor is fixedly connected to a connecting rod, the end of the connecting rod is fixedly connected to a connecting head, and a wrench head assembly is clamped on the connecting head;

[0007] A slide groove is provided in the connector, a clamp is slidably connected in the slide groove, a first spring is arranged below the clamp in the slide groove, the connector is passed through the top of the clamp, and the clamp is slidably connected to the connector;

[0008] The wrench head assembly includes a wrench head and a connecting sleeve. The wrench head is fixedly connected to the end of the connecting sleeve. The connecting sleeve is provided with a connecting groove. The connecting head is inserted into the connecting groove. The connecting sleeve is provided with a clamping hole matched with the clamping head. The connecting sleeve is provided with an annular groove matched with the clamping hole. A second spring is arranged in the annular groove. The connecting sleeve is provided with a groove at the top of the annular groove. A pressing cap is arranged in the groove and the annular groove. The pressing cap is slidably connected to the groove and the annular groove. A top column is fixedly connected in the pressing cap, and the bottom end of the top column is built into the clamping hole.

[0009] As a further solution of the utility model: the top of the push cap is flush with the outer wall of the connecting sleeve.

[0010] As a further solution of the present invention: the first spring and the second spring are both in a compressed state in their initial states.

[0011] As a further solution of the utility model: a display, a button, a prompt light and a buzzer are embedded in the outer wall of the shell, a circuit board is arranged in the shell, a controller, a storage and a Bluetooth module are installed on the circuit board, a battery is placed in the handle, and an end cap is threadedly connected to the end of the handle.

[0012] As a further solution of the utility model: a hanging ring is provided on the end cover.

[0013] As a further solution of the utility model: an anti-slip cover is provided on the handle.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the utility model is in use, the connecting sleeve in the wrench head assembly is arranged on the connecting head fixedly connected to the end of the connecting rod. When the connecting sleeve is plugged into the connecting head, the inner wall of the connecting groove of the connecting sleeve squeezes the clamping head into the connecting head. When the connecting head is completely built into the connecting groove of the connecting sleeve, the first spring rebounds to push the top end of the clamping head into the clamping hole provided in the connecting sleeve, thereby limiting and fixing the wrench head assembly and preventing the wrench head assembly from falling off. When replacement is needed, the clamping head can be pushed downward into the clamping hole by pressing the pressing cap and the top column fixedly connected to the inner wall of the pressing cap, so that the user can remove the wrench head assembly conveniently and replace different wrench head assemblies conveniently. It is convenient and practical.

[0016] 2. When the utility model is in use, the torque sensor transmits the detected torque signal to the controller, and the detected torque value is displayed on the display. When the preset value is reached, the controller controls the prompt light to light up and the buzzer to sound to remind the staff. At the same time, the storage device stores the data generated during the entire use process, and transmits the generated data wirelessly to the work computer or local server through the Bluetooth module, which is convenient for reviewing the work status of the staff and reducing accidents caused by mistakes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic diagram of the structure of a torque wrench with wireless data transmission function.

[0018] Figure 2 A partial cross-sectional view of a torque wrench with wireless data transmission function.

[0019] Figure 3 The present invention is a cross-sectional view of a connecting rod and a wrench head assembly in a torque wrench with a wireless data transmission function.

[0020] Figure 4 for Figure 3 A partial enlarged view of point A in the middle.

[0021] In the figure: 1. shell; 2. handle; 3. anti-slip cover; 4. connecting rod; 5. wrench head assembly; 6. torque sensor; 7. end cover; 8. hanging ring; 9. display; 10. button; 11. prompt light; 12. buzzer; 13. battery; 14. circuit board; 15. controller; 16. storage; 17. Bluetooth module; 18. wrench head; 19. connecting sleeve; 20. connecting groove; 21. connecting head; 22. slide groove; 23. first spring; 24. clamping head; 25. clamping hole; 26. annular groove; 27. second spring; 28. groove; 29. ​​push cap; 30. top column. DETAILED DESCRIPTION

[0022] 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 in 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.

[0023] See also Figures 1 to 4 In an embodiment of the utility model, a torque wrench with a wireless data transmission function comprises a housing 1, one end of the housing 1 is fixedly connected to a handle 2, the other end of the housing 1 is fixedly connected to a torque sensor 6, the outer end of the torque sensor 6 is fixedly connected to a connecting rod 4, the end of the connecting rod 4 is fixedly connected to a connecting head 21, and a wrench head assembly 5 is clamped on the connecting head 21;

[0024] The connector 21 is provided with a slide groove 22, a clamping head 24 is slidably connected in the slide groove 22, a first spring 23 is arranged below the clamping head 24 in the slide groove 22, the top of the clamping head 24 passes through the connector 21, and the clamping head 24 is slidably connected to the connector 21;

[0025] The wrench head assembly 5 includes a wrench head 18 and a connecting sleeve 19. The wrench head 18 is fixedly connected to the end of the connecting sleeve 19. The connecting sleeve 19 is provided with a connecting groove 20. The connecting head 21 is inserted into the connecting groove 20. The connecting sleeve 19 is provided with a clamping hole 25 adapted to the clamping head 24. The connecting sleeve 19 is provided with an annular groove 26 adapted to the clamping hole 25. A second spring 27 is arranged in the annular groove 26. The connecting sleeve 19 is provided with a groove 28 at the top of the annular groove 26. The groove 28 and the annular groove 26 are jointly provided with a pressing cap 29, and the pressing cap 29 is slidably connected to the groove 28 and the annular groove 26. A top column 30 is fixedly connected to the pressing cap 29, and the bottom end of the top column 30 is built into the clamping hole 25.

[0026] The top of the push cap 29 is flush with the outer wall of the connecting sleeve 19 .

[0027] The first spring 23 and the second spring 27 are both in a compressed state in an initial state.

[0028] When in use, the connecting sleeve 19 in the wrench head assembly 5 is sleeved on the connecting head 21 fixedly connected to the end of the connecting rod 4. During the process of the connecting sleeve 19 being inserted into the connecting head 21, the inner wall of the connecting groove 20 of the connecting sleeve 19 squeezes the clamping head 24 into the connecting head 21. When the connecting head 21 is completely built into the connecting groove 20 of the connecting sleeve 19, the first spring 23 rebounds to push the top of the clamping head 24 into the clamping hole 25 opened in the connecting sleeve 19, thereby limiting and fixing the wrench head assembly 5 and preventing the wrench head assembly 5 from falling off. When replacement is needed, the clamping head 24 can be pushed downward into the clamping hole 25 by pressing the pressing cap 29 and the top column 30 fixedly connected to the inner wall of the pressing cap 29, so that the user can remove the wrench head assembly 5 conveniently and replace different wrench head assemblies 5 conveniently, which is convenient and practical.

[0029] The outer wall of the shell 1 is embedded with a display 9, a button 10, a warning light 11 and a buzzer 12, a circuit board 14 is arranged in the shell 1, a controller 15, a storage 16 and a Bluetooth module 17 are installed on the circuit board 14, a battery 13 is placed in the handle 2, and an end cap 7 is threadedly connected to the end of the handle 2. The circuit board 14 is electrically connected to the torque sensor 6, the display 9, the button 10, the warning light 11, the buzzer 12, the controller 15, the storage 16 and the Bluetooth module 17 and the battery 13 respectively, so that the battery 13 supplies power to the torque sensor 6, the display 9, the button 10, the warning light 11, the buzzer 12, the controller 15, the storage 16 and the Bluetooth module 17, and at the same time The controller 15 is electrically connected to the torque sensor 6, the display 9, the button 10, the prompt light 11, the buzzer 12, the storage 16 and the Bluetooth module 17 respectively. A preset torque value is set in the controller 15 through the button 10. When in use, the torque sensor 6 transmits the detected torque signal to the controller 15, and the detected torque value is displayed on the display 9. When the preset value is reached, the controller 15 controls the prompt light 11 to light up and the buzzer 12 to sound to remind the staff. At the same time, the storage 16 stores the data generated during the entire use process, and transmits the generated data wirelessly to the working computer or the local server through the Bluetooth module 17.

[0030] The end cover 7 is provided with a hanging ring 8, through which the torque wrench can be conveniently hung to achieve storage of the torque wrench.

[0031] The handle 2 is covered with an anti-skid cover 3, which increases the comfort of the staff in holding and the stability in use.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A torque wrench with wireless data transmission function, comprising a housing (1), characterized in that: One end of the housing (1) is fixedly connected to a handle (2), the other end of the housing (1) is fixedly connected to a torque sensor (6), the outer end of the torque sensor (6) is fixedly connected to a connecting rod (4), the end of the connecting rod (4) is fixedly connected to a connecting head (21), and a wrench head assembly (5) is clamped on the connecting head (21); The connecting head (21) is provided with a slide groove (22), a clamping head (24) is slidably connected in the slide groove (22), a first spring (23) is arranged in the slide groove (22) below the clamping head (24), the top of the clamping head (24) passes through the connecting head (21), and the clamping head (24) is slidably connected to the connecting head (21); The wrench head assembly (5) comprises a wrench head (18) and a connecting sleeve (19), wherein the wrench head (18) is fixedly connected to the end of the connecting sleeve (19), the connecting sleeve (19) is provided with a connecting groove (20), the connecting head (21) is inserted into the connecting groove (20), the connecting sleeve (19) is provided with a clamping hole (25) matched with the clamping head (24), the connecting sleeve (19) is provided with an annular groove (26) matched with the clamping hole (25), a second spring (27) is arranged in the annular groove (26), the connecting sleeve (19) is provided with a groove (28) at the top of the annular groove (26), a pressing cap (29) is arranged in the groove (28) and the annular groove (26), and the pressing cap (29) is slidably connected to the groove (28) and the annular groove (26), a top column (30) is fixedly connected in the pressing cap (29), and the bottom end of the top column (30) is built into the clamping hole (25).

2. A torque wrench with wireless data transmission function according to claim 1, characterized in that: The top of the push cap (29) is flush with the outer wall of the connecting sleeve (19).

3. A torque wrench with wireless data transmission function according to claim 1, characterized in that: The first spring (23) and the second spring (27) are both in a compressed state in their initial states.

4. A torque wrench with wireless data transmission function according to claim 1, characterized in that: The outer wall of the housing (1) is embedded with a display (9), a button (10), a warning light (11) and a buzzer (12); a circuit board (14) is arranged in the housing (1), a controller (15), a storage device (16) and a Bluetooth module (17) are installed on the circuit board (14); a battery (13) is placed in the handle (2), and an end cap (7) is threadedly connected to the end of the handle (2).

5. A torque wrench with wireless data transmission function according to claim 4, characterized in that: The end cover (7) is provided with a hanging ring (8).

6. The torque wrench with wireless data transmission function according to claim 1, characterized in that: The handle (2) is provided with an anti-slip cover (3).

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