CN215789516U

CN215789516U - Wireless communication type electronic mechanical torque wrench

Info

Publication number: CN215789516U
Application number: CN202122266344.5U
Authority: CN
Inventors: 刘文明
Original assignee: Shaanxi Knowns Intelligent Industrial Equipment Co ltd
Current assignee: Shaanxi Knowns Intelligent Industrial Equipment Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-11
Anticipated expiration: 2031-09-18

Abstract

The utility model belongs to the technical field of torque wrenches, in particular to a wireless communication type electronic mechanical torque wrench; the torque wrench main body is loaded, the torque lever is continuously stressed in the loading process, the torque lever is forced to deform in the stress process, the strain gauge sends acquired information to the circuit board, and meanwhile, a tripping square block at one end of the torque lever is forced to be extruded; when data sent to the circuit board by the strain gauge reaches a preset value, the circuit board gives an audible and visual alarm, meanwhile, the trip block trips, the torsion lever knocks the inner wall of the sleeve to give a click sound, and an included angle is formed between the torsion lever and the sleeve; at the moment, the force is continuously applied, when the set angle value is reached, the circuit board transmits a signal to the central processing unit, and the central processing unit controls the sound-light alarm module to give an alarm; meanwhile, the wireless communication type electronic mechanical torque wrench has an automatic calibration function.

Description

Wireless communication type electronic mechanical torque wrench

Technical Field

The utility model belongs to the technical field of torque wrenches, and particularly relates to a wireless communication type electronic mechanical torque wrench.

Background

The traditional mechanical tripping torque wrench releases torque force through a mechanical structure, realizes preset value alarm through clicking the wrench to generate clicking sound, but cannot acquire accurate torque value data, and the traditional mechanical tripping torque wrench is usually calibrated manually, namely calibrated by a manual screwing device and a spring pressure adjusting mode, so that the efficiency is low and the deviation is large; meanwhile, the traditional mechanical wrench has no angle recording function, is difficult to meet the requirement of accurate screwing working conditions, has no electronic recording function, and has low working efficiency and even no data transmission because the torque value must be manually recorded;

traditional digital display torque wrench does not have the feel of mechanical jump usually, especially can't accurate control under noisy scene, and the wrench end can not bend, does not have the feel of unloading power, often has the overload risk, usually before being close the default, must slow down in advance, avoids transshipping, and is consuming time long, inefficiency.

Meanwhile, the existing mechanical wrench and digital display wrench have the defects of single function, low efficiency, backward data transmission mode, missing information acquisition function, complex setting, high labor cost and the like.

Accordingly, those skilled in the art have provided a wireless communication type electronic mechanical torque wrench to solve the above-mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a wireless communication type electronic mechanical torque wrench which is simple and reasonable in structure and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the wireless communication type electronic mechanical torque wrench comprises a torque wrench body, wherein a sleeve is arranged in the torque wrench body in a penetrating manner, the outer surface of one end of the sleeve is fixedly connected with a handle, a torque lever is arranged in the sleeve, a strain gauge is fixedly connected to the outer side of the torque lever, the strain gauge is connected with a circuit board, one end of the torque lever is connected with a sliding body module, a tripping block is arranged between the sliding body module and the torque lever, a pressure sensor is arranged on the sliding body module, the other end of the pressure sensor is provided with a front spring cover, the front spring cover is fixedly connected with a spring, the other end of the spring is fixedly connected with a rear spring cover, the other end of the rear spring cover is movably connected with a steel ball, the other end of the steel ball is movably connected with a bolt, the bolt penetrates through the inside of a counter force arm fixing body and a bearing, and the other end of the bolt is fixedly connected with a sleeve, the other end of the sleeve is fixed with a speed reducer, and the speed reducer is fixedly connected with a motor.

Preferably, the pressure sensor is connected with an A/D conversion module, the A/D conversion module is connected with the torque sensor and the angle sensor, the A/D conversion module is connected with a central processing unit, and the central processing unit is respectively connected with a display, a switching value output, a motor, a communication module, a power supply module, a switching mask, an external input module and an audible and visual alarm module.

Preferably, the outer side of the sleeve is fixedly connected with a junction box, a circuit board and a battery box are arranged inside the junction box, a Lemo interface is arranged on the side of the junction box, a connector base is arranged at the other end of the junction box, a connector contact is fixedly connected to the connector base, a display is fixedly connected to the top of the junction box, and a switch mask is arranged on one side of the display.

Preferably, a first cavity, a second cavity, a third cavity and a fourth cavity are arranged inside the junction box, selectable modules are installed in the first cavity, and the number of the selectable modules is at least 8.

Preferably, one side of the motor is fixedly connected with a battery bin, and the other end of the battery bin is movably connected with the rear cover.

Preferably, the sliding body module comprises a roller sliding body, a pulley and a roller connecting piece; the pulley swing joint is on the gyro wheel gliding mass, the gyro wheel gliding mass fixed connection is on pressure sensor, the pulley passes through gyro wheel connecting piece swing joint torsion lever.

Preferably, the central processing unit is connected with a smart phone or a computer through wireless communication.

Compared with the prior art, the utility model has the beneficial effects that:

1. the wireless communication type electronic mechanical torque wrench is characterized in that a torque wrench main body is loaded, a torque lever is continuously stressed during loading, the torque lever is forced to deform during stress, a strain gauge sends acquired information to a circuit board, and meanwhile, a tripping block at one end of the torque lever is forced to be extruded; when the data sent by the strain gauge to the circuit board reaches a preset value, the circuit board transmits a signal to the central processing unit, the central processing unit controls the acousto-optic alarm module to give an alarm, meanwhile, the trip block trips, the torsion lever strikes the inner wall of the sleeve to give a click sound, and an included angle is formed between the torsion lever and the sleeve; at the moment, the force is continuously applied, when the set angle value is reached, the circuit board transmits a signal to the central processing unit, and the central processing unit controls the sound-light alarm module to give an alarm.

2. Wireless communication type electronic machinery torque wrench has the automatic calibration function: increase pressure sensor in the spring end in the square spanner main part, make pressure sensor, reduction gears, including a motor, an end cap, a controller, and a cover plate, the bolt, spring and circuit board form closed-loop control, it is rotatory that the motor drives reduction gears control bolt promptly, the bolt and then oppress the spring, after the spring is compressed, the spring can be with pressure conduction for the pressure sensor that the other end supported, pressure sensor can send pressure data for central processing unit, because central processing unit has set for the default through the button before, at this moment, if this data has reached the setting value, central processing unit assigns the order, the motor stops, otherwise, the motor continues to rotate, if the bolt position passes the setting value, central processing unit can control the motor reverse rotation, stop rotating when receiving the pressure sensor numerical value and just reaching the default.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an exploded view of a preferred embodiment of the present invention to reveal the basic components of the wrench.

Fig. 2 is a top sectional view of the present invention to show the internal structure of the wrench.

Fig. 3 is an external perspective view of the present invention, showing the overall appearance of the wrench.

Fig. 4 is a structural view of another mechanical trip of the present invention, which is a structural display of another preferred embodiment.

Fig. 5 is a top cross-sectional view of the junction box of the present invention showing the internal cavity structure.

Fig. 6 is a basic principle diagram of the present invention to illustrate the basic principle of the wrench.

Fig. 7 is a schematic diagram of the automatic calibration principle of the present invention, which is used to show the closed-loop control flow of calibration.

Fig. 8 is a schematic diagram of wireless communication according to the present invention, illustrating a wireless communication process.

Reference numbers in the figures: 1. a strain gauge; 2. a torsion lever; 3. jumping out of the square block; 4. a slider module; 5. a pressure sensor; 6. a front spring cover; 7. a spring; 8. a rear spring cover; 9. steel balls; 10. a reaction arm fixing body; 11. a bolt; 12. a bearing; 13. a sleeve; 14. a motor; 15. a battery compartment; 16. a battery; 17. a handle; 18. a sleeve; 19. a rear cover; 30. a junction box; 31. a circuit board; 32. a battery case; 33. a battery; 34. a battery case cover; 35. a Ramo interface; 36. a connector base; 37. a connector contact; 38. a display; 39. opening and closing the facial mask; 41. a roller slider; 42. a roller; 43. connecting rollers; 61. a first cavity; 62. a cavity II; 63. a cavity III; 80. a torque wrench body; 81. a smart phone; 82. a mobile phone display screen; 83. and (4) wireless communication.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: the wireless communication type electronic mechanical torque wrench comprises a torque wrench main body 80, wherein a sleeve 18 penetrates through the torque wrench main body 80, the outer surface of one end of the sleeve 18 is fixedly connected with a handle 17, a torque lever 2 is arranged inside the sleeve 18, the torque lever 2 is fixedly connected to the outer side of the torque lever 2, a strain gauge 1 is connected with a circuit board 31, one end of the torque lever 2 is connected with a sliding body module 4, a tripping block 3 is arranged between the sliding body module 4 and the torque lever 2, a pressure sensor 5 is arranged on the sliding body module 4, the other end of the pressure sensor 5 is provided with a front spring cover 6, the front spring cover 6 is fixedly connected with a spring 7, the other end of the spring 7 is fixedly connected with a rear spring cover 8, the other end of the rear spring cover 8 is movably connected with a steel ball 9, the other end of the steel ball 9 is movably connected with a bolt 11, and the bolt 11 penetrates through the inside a counter force arm fixing body 10 and a bearing 12, the other end of the bolt 11 is fixedly connected with a sleeve 13, the other end of the sleeve 13 is fixedly connected with a speed reducer, and the speed reducer is fixedly connected with a motor 14.

Specifically, the sliding body module 4 comprises a roller sliding body 41, a pulley 42 and a roller connecting piece 43; the pulley 42 is movably connected to the roller sliding body 41, the roller sliding body 41 is fixedly connected to the pressure sensor 5, and the pulley 42 is movably connected to the torsion lever 2 through a roller connecting piece 43.

According to the wireless communication type electronic mechanical torque wrench, the torque wrench main body 80 is loaded, the torque lever 2 is continuously stressed in the loading process, the torque lever 2 is forced to deform in the stress process, the strain gauge 1 sends acquired information to the circuit board 31, and meanwhile, the tripping block 3 at one end of the torque lever 2 is forced to be extruded; when the data sent by the strain gauge 1 to the circuit board 31 reaches a preset value, the circuit board 31 sends a signal to a central processing unit, the central processing unit controls an audible and visual alarm module to give an alarm, meanwhile, the trip block 3 trips, the torsion lever 2 knocks the inner wall of the sleeve 18 to generate a click sound, and the torsion lever 2 and the sleeve 18 form an included angle; at the moment, the force is continuously applied, when the set angle value is reached, the circuit board 31 transmits a signal to the central processing unit, and the central processing unit controls the sound-light alarm module to give an alarm.

Example 2

Referring to fig. 6-8, the present invention provides the following technical solutions: wireless communication type electronic machinery torque wrench, pressure sensor 5 connects AD conversion module, AD conversion module connects torque sensor and angle sensor, AD conversion module connects central processing unit, last display 38, switching value output, motor 14, communication module, power module, switch facial mask 39 and the external input module of connecting respectively of central processing unit.

Specifically, the outer side of the sleeve 18 is fixedly connected with a junction box 30, a circuit board 31 and a battery box 32 are arranged inside the junction box 30, a remo interface 35 is arranged on the side of the junction box 30, a connector base 36 is arranged at the other end of the junction box 30, a connector contact 37 is fixedly connected to the connector base 36, a display 38 is fixedly connected to the top of the junction box 30, and a switch surface film 39 is arranged on one side of the display 38.

Specifically, the central processing unit is connected with a smart phone 81 or a computer through wireless communication 83.

The wireless communication type electronic mechanical torque wrench is provided with the gyroscope on the circuit board 31, so that the tightening angle of the wrench can be monitored; the circuit board 31 can output the rotation angle data of the wrench after calculation, and the angle data is transmitted to the central processing unit by the angle sensor through the A/D conversion module and finally displayed on the display 38; meanwhile, the circuit board is provided with a wifi communication module, a Bluetooth communication module and an antenna, so that data can be sent out through a communication protocol; data can be received through a smart phone APP, or received through PC computer software, and the like.

Example 3

Referring to fig. 6-8, the present invention provides the following technical solutions: a first cavity 61, a second cavity 62, a third cavity 63 and a fourth cavity are arranged in a junction box 30 of the wireless communication type electronic mechanical torque wrench; the inside of the wire box is provided with four cavities, and a third cavity 63 penetrates through the wrench sleeve 18; the second cavity 62 discharges the battery compartment and the battery; the fourth cavity is provided with a circuit board, a membrane switch and a key; cavity number one 61 is used to mount optional modules.

Wherein, there are at least 8 kinds of optional modules, optional one of them when using, a few of them respectively are listed below:

1. a charging module: the module is connected with a charging seat, charges the battery on line, is controlled by a circuit board, can monitor the electric energy of the battery, automatically charges and cuts off the power of the battery according to the electric quantity, and does not need to be watched manually.

2. An illumination module: the LED lamp bead and the lampshade are arranged in the module, and the LED lamp bead and the lampshade are controlled by a circuit board and can be used for lighting in operation.

3. Sweep a yard module: the module consists of a camera, a protective cover and a mainboard, is controlled by a circuit board, can scan the two-dimensional code and acquire the acquired information and send the information to the circuit board for information acquisition.

4. A fingerprint input module: collecting fingerprint information and sending the fingerprint information to the circuit board.

5. An RFID module: the module collects RFID data information and sends the RFID data information to the circuit board.

6. The USB interface module: the module is used for connecting external equipment and is used for charging or data transmission.

7. LEMO interface module: the module is used for connecting external equipment and is used for charging or data transmission.

8. SIM card module of inserting: the module consists of a clamping groove and a mainboard, an internet of things card can be plugged and pulled out from the outside, the mainboard is in wired connection with the circuit board and is in mutual communication with the circuit board, and data of the circuit board is sent to a mobile network through the module.

Example 4

Referring to fig. 1-8, the present invention provides the following technical solutions: the wireless communication type electronic mechanical torque wrench comprises a torque wrench main body 80, wherein a sleeve 18 penetrates through the torque wrench main body 80, the outer surface of one end of the sleeve 18 is fixedly connected with a handle 17, a torque lever 2 is arranged inside the sleeve 18, the torque lever 2 is fixedly connected to the outer side of the torque lever 2, a strain gauge 1 is connected with a circuit board 31, one end of the torque lever 2 is connected with a sliding body module 4, a tripping block 3 is arranged between the sliding body module 4 and the torque lever 2, a pressure sensor 5 is arranged on the sliding body module 4, the other end of the pressure sensor 5 is provided with a front spring cover 6, the front spring cover 6 is fixedly connected with a spring 7, the other end of the spring 7 is fixedly connected with a rear spring cover 8, the other end of the rear spring cover 8 is movably connected with a steel ball 9, the other end of the steel ball 9 is movably connected with a bolt 11, and the bolt 11 penetrates through the inside a counter force arm fixing body 10 and a bearing 12, the other end of the bolt 11 is fixedly connected with a sleeve 13, the other end of the sleeve 13 is fixedly connected with a speed reducer, and the speed reducer is fixedly connected with a motor 14.

Specifically, the pressure sensor 5 is connected with an a/D conversion module, the a/D conversion module is connected with a torque sensor and an angle sensor, the a/D conversion module is connected with a central processing unit, and the central processing unit is respectively connected with a display 38, a switching value output, a motor 14, a communication module, a power supply module, a switching mask 39 and an external input module.

The wireless communication type electronic mechanical torque wrench has the following functions of automatic calibration: the pressure sensor 5 is added at the end of the spring 7 in the torque wrench main body 80, so that the pressure sensor 5, the speed reducing mechanism, the motor 14, the bolt 11, the spring 7 and the circuit board 31 form closed-loop control, namely the motor 14 drives the speed reducing mechanism to control the bolt 11 to rotate, the bolt 11 further presses the spring 7, after the spring 7 is compressed, the other end of the spring 7 props against the pressure sensor 5, the pressure sensor 5 sends pressure data to a central processing unit, the central processing unit sets a preset value through a key before, at the moment, if the data reaches the set value, the central processing unit issues a command, the motor 14 stops, otherwise, the torque lever continues to rotate, and when the torque lever rotates the set value, the central processing unit controls the motor 14 to rotate reversely until the value of the pressure sensor 5 reaches the preset value, and the torque lever stops.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Wireless communication type electronic machinery torque wrench, including torque wrench main part (80), torque wrench main part (80) inside runs through and is equipped with sleeve pipe (18), the surface fixed connection handle (17) of sleeve pipe (18) one end, its characterized in that: a torsion lever (2) is arranged in the sleeve (18), the outer side of the torsion lever (2) is fixedly connected with a strain gauge (1), the strain gauge (1) is connected with a circuit board (31), the circuit board (31) is provided with a gyroscope, one end of the torsion lever (2) is connected with a sliding body module (4), a tripping block (3) is arranged between the sliding body module (4) and the torsion lever (2), the sliding body module (4) is provided with a pressure sensor (5), the other end of the pressure sensor (5) is provided with a front spring cover (6), the front spring cover (6) is fixedly connected with a spring (7), the other end of the spring (7) is fixedly connected with a rear spring cover (8), the other end of the rear spring cover (8) is movably connected with a steel ball (9), the other end of the steel ball (9) is movably connected with a bolt (11), and the bolt (11) penetrates through the inner parts of a counter force arm fixing body (10) and a bearing (12), the other end of the bolt (11) is fixedly connected with a sleeve (13), the other end of the sleeve (13) is fixedly connected with a speed reducer, and a motor (14) is fixedly connected onto the speed reducer.

2. The wireless communication type electro-mechanical torque wrench as claimed in claim 1, wherein: the pressure sensor (5) is connected with an A/D conversion module, the A/D conversion module is connected with a torque sensor and an angle sensor, the A/D conversion module is connected with a central processing unit, and the central processing unit is respectively connected with a display (38), a switching value output, a motor (14), a communication module, a power supply module, a switching mask (39), an external input module and a sound-light alarm module.

3. The wireless communication type electro-mechanical torque wrench as claimed in claim 1, wherein: the junction box is characterized in that the outer side of the sleeve (18) is fixedly connected with a junction box (30), a circuit board (31) and a battery box (32) are arranged inside the junction box (30), a Ramo interface (35) is arranged on the side of the junction box (30), a connector base (36) is arranged at the other end of the junction box (30), a connector contact (37) is fixedly connected onto the connector base (36), a display (38) is fixedly connected onto the top of the junction box (30), and a switch mask (39) is arranged on one side of the display (38).

4. The wireless communication type electro-mechanical torque wrench as claimed in claim 3, wherein: a first cavity (61), a second cavity (62), a third cavity (63) and a fourth cavity are arranged inside the junction box (30), and at least 8 optional modules are installed in the first cavity (61).

5. The wireless communication type electro-mechanical torque wrench as claimed in claim 1, wherein: one side of the motor (14) is fixedly connected with a battery bin (15), and the other end of the battery bin (15) is movably connected with a rear cover (19).

6. The wireless communication type electro-mechanical torque wrench as claimed in claim 1, wherein: the sliding body module (4) comprises a roller sliding body (41), a pulley (42) and a roller connecting piece (43); pulley (42) swing joint is on gyro wheel gliding mass (41), gyro wheel gliding mass (41) fixed connection is on pressure sensor (5), pulley (42) pass through gyro wheel connecting piece (43) swing joint torsion lever (2).

7. The wireless communication type electro-mechanical torque wrench as claimed in claim 2, wherein: the central processing unit is connected with a smart phone (81) or a computer through wireless communication (83).