CN214843791U

CN214843791U - Double-range torque wrench calibrating instrument convenient for reading

Info

Publication number: CN214843791U
Application number: CN202121530640.5U
Authority: CN
Inventors: 李登峰; 谢同福
Original assignee: Changzhou Blue Light Electronic Co ltd
Current assignee: Changzhou Blue Light Electronic Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-11-23
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to a bimeasuring range torque wrench examines and determine appearance convenient to reading, it is including examining and determine the appearance body, be equipped with adjusting device on examining and determining the appearance body, the last digital display appearance that is equipped with of adjusting device, adjusting device includes horizontal angle adjustment mechanism and vertical angle adjustment mechanism, horizontal angle adjustment mechanism is used for adjusting the angle of digital display appearance on the horizontal direction, vertical angle adjustment mechanism is used for adjusting the angle of digital display appearance in vertical direction. This application has the degree of freedom that increases the digital display appearance, the effect that the digital display appearance reading of being convenient for was adjusted.

Description

Double-range torque wrench calibrating instrument convenient for reading

Technical Field

The application relates to the field of torque verification instruments, in particular to a double-range torque wrench verification instrument convenient for reading.

Background

The torque wrench calibrator is special equipment for calibrating torque wrenches, is mainly used for detecting various constant force type torque wrenches, digital display type torque wrenches and preset type torque wrenches, and is widely applied to the industries of electrical manufacturing, mechanical manufacturing, light automobile industry and professional scientific research and detection.

At present, the loading mode of a torque wrench calibrator can be divided into fixed sensor loading and rotary sensor loading, wherein the fixed sensor loading is to fix a torque sensor on a workbench, the torque wrench is used for calibrating through rotating and loading, the rotary sensor loading is to fix a wrench on the workbench, a wrench head of the torque wrench to be calibrated is stressed through the rotary sensor, and a torque value is displayed through a digital display instrument.

In the related art, the digital display instrument is fixed on a working table, and when a tester deviates from the opposite surface of the digital display instrument during the detection of the torque wrench, the reading is inconvenient due to poor sight.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of torque wrench examination appearance reading, this application provides a dual-range torque wrench examination appearance convenient to reading.

The application provides a pair of span torque wrench examination appearance convenient to reading adopts following technical scheme:

the utility model provides a double-range torque wrench calibrator convenient to reading, includes the calibrator body, be equipped with adjusting device on the calibrator body, the last digital display appearance that is equipped with of adjusting device, adjusting device includes horizontal angle adjustment mechanism and vertical angle adjustment mechanism, horizontal angle adjustment mechanism is used for adjusting the angle of digital display appearance on the horizontal direction, vertical angle adjustment mechanism is used for adjusting the angle of digital display appearance in vertical direction.

Through adopting above-mentioned technical scheme, horizontal angle adjustment mechanism can adjust the ascending angle of digital display appearance horizontal direction, and vertical angle adjustment mechanism can adjust the ascending angle of the vertical side of digital display appearance, and it is adjustable to have realized the two degrees of freedom of digital display appearance, has increased the degree of freedom of digital display appearance, and the reading of the digital display appearance of being convenient for is adjusted.

Optionally, the horizontal angle adjusting mechanism comprises a supporting rod arranged on the calibrating instrument body, one end, far away from the calibrating instrument body, of the supporting rod is connected with the digital display instrument, and the supporting rod is rotatably connected with the calibrating instrument body.

Through adopting above-mentioned technical scheme, the bracing piece can rotate on the horizontal plane, has realized the angle modulation of digital display appearance horizontal direction, has increased a degree of freedom that the digital display appearance rotated along vertical direction, the reading of the digital display appearance of being convenient for.

Optionally, a check ring is arranged on the calibrating instrument body, a rotating hole is formed in the check ring, and the support rod is in interference fit with the rotating hole.

Through adopting above-mentioned technical scheme, bracing piece and rotation hole interference fit have reduced the condition of telescopic link left and right rocking in the horizontal direction, the reading of the digital display appearance of being convenient for.

Optionally, the vertical angle adjusting mechanism comprises a rotary connecting frame, the rotary connecting frame is connected with one end, far away from the calibrating instrument body, of the supporting rod, a rotary connector is arranged at the bottom end of the digital display instrument, and the rotary connector is rotatably connected with the rotary connecting frame.

Through adopting above-mentioned technical scheme, rotate and revolve the angle modulation that connects and can realize the vertical direction of digital display appearance, increased a degree of freedom that the digital display appearance rotated along the horizontal direction, the reading of the digital display appearance of being convenient for.

Optionally, the vertical adjusting mechanism further comprises a locking bolt arranged on the side wall of the rotary joint, and the locking bolt is in threaded connection with a first knob.

Through adopting above-mentioned technical scheme, screw up first knob, can improve and revolve the joint and connect the fixed strength of frame soon, reduce to examine and determine the appearance in the test process digital display appearance and connect the phenomenon emergence that the groove slided soon, the reading of the digital display appearance of being convenient for.

Optionally, the bottom end of the rotary joint and the top end of the rotary connection frame are both arc surfaces, and a stop block is arranged on one side, back to the screen of the digital display instrument, of the top end of the inner wall of the rotary connection frame.

Through adopting above-mentioned technical scheme, the dog reduces to revolve the rotation range that connects the frame soon, reduces the digital display appearance along the horizontal direction because of the too big possibility of damaging of rotation range.

Optionally, the bracing piece is including locating the telescopic link on examining and determine the appearance body, telescopic link outside cover is equipped with the sleeve pipe, the sleeve pipe is kept away from the one end of examining and determining the appearance body and is connected with the digital display instrument, adjusting device still includes high adjustment mechanism, high adjustment mechanism is including the second knob that is used for adjusting sleeve pipe upper and lower position, second knob and sleeve pipe lateral wall threaded connection.

Through adopting above-mentioned technical scheme, after unscrewing the second knob, along telescopic rod's direction of height slip sleeve pipe can adjust sheathed tube upper and lower position, increased a degree of freedom that the digital display appearance removed along vertical direction, the reading of the digital display appearance of being convenient for.

Optionally, fastening grooves are uniformly formed in the side wall of the telescopic rod along the height direction of the telescopic rod.

Through adopting above-mentioned technical scheme, when the second knob embedding fastening recess, improved the fixed effect of sleeve pipe with the telescopic link, reduce the phenomenon that the digital display appearance receives the dead weight and glides and take place.

Optionally, the digital display instrument is connected with the calibrating instrument body through a connecting wire, the supporting rod is a hollow rod, and the connecting wire sequentially penetrates through the supporting rod and the rotary connecting groove from bottom to top and is always left with a margin.

Through adopting above-mentioned technical scheme, the connecting wire between digital display appearance and examination appearance body is receive and release in the bracing piece and connect the inslot soon, has reduced the phenomenon emergence that the connecting wire is mixed and disorderly and kinked, makes things convenient for the daily use and the arrangement of examination appearance.

Optionally, be equipped with the retaining ring on the examination appearance body, the bracing piece bottom mounting has the chucking gear, the bottom of retaining ring is equipped with and supplies chucking gear pivoted rotation groove, be equipped with the chucking recess on the inside wall in rotation groove, be equipped with the chucking spring in the chucking recess, the one end of chucking spring is fixed with the inner wall of chucking recess, the one end that the chucking spring deviates from the chucking recess is fixed with the chucking piece, the one end that the chucking recess was kept away from to the chucking piece is with the tooth butt of chucking gear.

Through adopting above-mentioned technical scheme, during the rotation support pole, the bracing piece is also followed to the chucking gear and is rotated, and the chucking gear rotates the in-process, and when the chucking piece was followed the root of the teeth of the clamping gear to the tooth top transition, the chucking spring was compressed gradually, until the chucking piece with the top of the teeth of the clamping gear butt joint, when the chucking piece was followed the top of the teeth of the clamping gear to the root of the teeth transition, the chucking spring extended gradually, until the chucking piece with the root of the teeth of the clamping gear butt joint. The condition that the telescopic rod swings left and right in the horizontal direction is reduced, and the reading of a digital display instrument is convenient

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the horizontal angle adjusting mechanism and the vertical angle adjusting mechanism, the horizontal angle adjusting mechanism can adjust the angle of the digital display in the horizontal direction, and the vertical angle adjusting mechanism can adjust the angle of the digital display in the vertical direction, so that the double-freedom-degree adjustment of the digital display is realized, the freedom degree of the digital display is increased, and the reading of the digital display is facilitated;

2. through the arrangement of the fastening groove, when the first knob is embedded into the fastening groove, the fixing effect of the sleeve and the telescopic rod is improved, and the phenomenon that the digital display instrument slides down due to dead weight is reduced;

3. through the setting of fitting bolt and first knob, can improve and revolve the joint and connect the fixed strength who puts up soon, reduce the digital display appearance and connect the frame to take place relative pivoted phenomenon soon in the appearance test procedure of examination, the reading of the digital display appearance of being convenient for.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.

Fig. 2 is a schematic structural diagram of a display instrument and an adjusting device in the first embodiment of the present application.

Fig. 3 is a sectional view showing a detailed structure of a horizontal angle adjusting mechanism, a height adjusting mechanism and a connecting line in an embodiment of the present application.

Fig. 4 is an exploded view showing a specific structure of the vertical angle adjustment mechanism in the first embodiment of the present application.

Fig. 5 is a sectional view showing a specific structure of a horizontal angle adjusting mechanism according to a second embodiment of the present application.

Description of reference numerals: 1. a calibrating instrument body; 11. a retainer ring; 111. rotating the hole; 112, a first electrode; a rotating groove; 1121. clamping the groove; 2. an adjustment device; 21. a horizontal angle adjusting mechanism; 211. screwing a sleeve; 2111. vertical stripes; 212. clamping the gear; 213. a chucking spring; 214. a clamping block; 22. a height adjustment mechanism; 221. a support bar; 222. a telescopic rod; 2221. fastening the groove; 223. a sleeve; 224. a second knob; 23. a vertical angle adjusting mechanism; 231. a screwing frame; 2311. a stopper; 232. screwing the joint; 2321. a locking bolt; 233. a first knob; 3. a digital display instrument; 31. and connecting the wires.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The first embodiment is as follows:

the embodiment of the application discloses a double-range torque wrench calibrating instrument convenient for reading. Referring to fig. 1, the torque wrench calibrating apparatus comprises a calibrating apparatus body 1, wherein the calibrating apparatus body 1 is connected with a digital display 3 through an adjusting device 2, and the digital display 3 is located above the calibrating apparatus body 1. After the calibrating instrument body 1 detects the torque of the torque wrench, the digital display instrument 3 displays torque test data of the torque wrench, and whether the torque wrench is qualified or meets the use requirement is judged by comparing the torque test data with a preset torque loading value or a set value of the torque wrench of the calibrating instrument body 1.

Referring to fig. 2, the adjusting device 2 includes a horizontal angle adjusting mechanism 21, a height adjusting mechanism 22, and a vertical angle adjusting mechanism 23, wherein the horizontal angle adjusting mechanism 21 is used for adjusting the angle of the digital display 3 in the horizontal direction, the height adjusting mechanism 22 is used for adjusting the height of the digital display 3, and the vertical angle adjusting mechanism 23 is used for adjusting the angle of the digital display 3 in the vertical direction.

Referring to fig. 2 and 3, the horizontal angle adjusting mechanism 21 includes a support rod 221 rotatably connected to the calibrating apparatus body 1, the support rod 221 includes a telescopic rod 222 rotatably connected to the calibrating apparatus body 1 and a sleeve 223 sleeved outside the telescopic rod 222, the telescopic rod 222 is slidably connected to the sleeve 223, and one end of the sleeve 223 far away from the calibrating apparatus body 1 is connected to the digital display 3. In order to facilitate the rotation of the support rod 221, a rotating sleeve 211 is fixedly connected to a side wall of the sleeve 223, and a vertical stripe 2111 is formed on a side surface of the rotating sleeve 211. The horizontal angle adjusting mechanism 21 further comprises a check ring 11 fixed on the calibrating apparatus body 1, a rotating hole 111 for rotating the telescopic rod 222 is formed in the check ring 11, and the telescopic rod 222 is in interference fit with the rotating hole 111.

When the rotary sleeve 211 is rotated, the angle of the digital display 3 can be adjusted in the horizontal direction. Through the interference fit effect of the telescopic rod 222 and the rotating hole 111, the condition that the telescopic rod 222 swings left and right in the horizontal direction is reduced.

Referring to fig. 2 and 3, the height adjustment mechanism 22 includes a second knob 224 for adjusting the up-down position of the sleeve 223, the second knob 224 is in threaded connection with the sidewall of the sleeve 223, fastening grooves 2221 are uniformly formed in the sidewall of the telescopic rod 222 along the height direction of the telescopic rod 222, and the sleeve 223 and the telescopic rod 222 are fixed by the second knob 224. The second knob 224 abuts against the fastening groove 2221 and is tightened, which may further increase the fixing strength of the sleeve 223 and the telescopic bar 222. In order to adjust the up-down position of the sleeve 223 and to allow a large adjustment range of the height of the digital display 3, the second knob 224 is located at the lower end of the side wall of the sleeve 223.

Referring to fig. 2 and 4, the vertical angle adjusting mechanism 23 includes a screwing frame 231, the screwing frame 231 and one end of the sleeve 223 far away from the calibrating apparatus body 1 are fixed, a screwing head 232 is fixed at the bottom end of the digital display 3, the screwing head 232 is rotatably connected with the screwing frame 231, and the bottom end of the screwing head 232 and the top end of the screwing frame 231 are both arc surfaces. In order to fix the rotary joint 232 and the rotary frame 231 conveniently, a locking bolt 2321 is fixed on the side wall of the rotary joint 232, one end of the locking bolt 2321 penetrates through the side wall of the rotary frame 231 and is in threaded connection with the first knob 233, and by screwing the first knob 233, the rotary frame 231 and the rotary joint 232 are contacted and mutually extruded, so that the friction is reduced, and the rotary joint 232 and the rotary frame 231 are relatively rotated.

Referring to fig. 4, when the elevation angle of digital display instrument 3 in the vertical direction is too big, can deviate the normal observation visual angle of people, based on the consideration of this aspect, simultaneously in order to reduce digital display instrument 3 and rotate the too big possibility that takes place the damage along the horizontal direction, the one side that deviates from the screen of digital display instrument 3 at the inner wall top of revolving joint frame 231 is fixed with and is used for stopping revolving joint 232 and continues to deviate from digital display instrument 3 screen pivoted dog 2311, when revolving joint 232 rotates to when with dog 2311 butt, dog 2311 has restricted revolving joint 232 and has continued to deviate from digital display instrument 3 and rotate.

Referring to fig. 3, digital display 3 is connected with examination appearance body 1 through connecting wire 31, in order to reduce the mixed and disorderly phenomenon of kinking of connecting wire 31 and take place, conveniently examines and determine daily use and the arrangement of appearance, and telescopic link 222 is hollow pole, and connecting wire 31 passes telescopic link 222, sleeve pipe 223 and connects the groove soon from bottom to top in proper order, and when sleeve pipe 223 slided from top to bottom, connecting wire 31 remained the surplus all the time.

The implementation principle of the first embodiment is as follows: the digital display 3 is connected with the calibrating instrument body 1 through the connecting line 31, after the calibrating instrument body 1 carries out torque detection on the torque wrench, the digital display 3 displays torque test data of the torque wrench, and whether the torque wrench is qualified or meets the use requirement is judged by comparing the torque test data with a torque loading preset value of the calibrating instrument body 1 on the torque wrench or a set value of the torque wrench.

When the digital display instrument is tested, the digital display instrument 3 is adjustable in three degrees of freedom in order to facilitate reading of the digital display instrument 3. Firstly, the rotating sleeve 211 is rotated to drive the telescopic rod 222 to rotate, after the deflection angle of the digital display instrument 3 in the horizontal direction is adjusted, the rotating sleeve 211 stops rotating, the telescopic rod 222 is in interference fit with the rotating hole 111, and the condition that the telescopic rod 222 swings left and right in the horizontal direction is reduced. Subsequently, the sleeve 223 is slid in the vertical direction, the up-down position of the sleeve 223 is adjusted, and the sleeve 223 and the telescopic rod 222 are fastened by the first knob 233 after the height of the real digital display 3 is adjusted. Finally, the digital display instrument 3 is shifted along the screwing groove until the screen of the digital display instrument 3 is adjusted to be positioned in the best sight line, the screwing joint 232 and the screwing frame 231 are fastened through the first knob 233, the digital display instrument 3 finishes adjustment, and verification reading of the torque wrench can be carried out.

Example two:

referring to fig. 5, the present embodiment is different from the first embodiment in that: in this embodiment, the bottom end of the telescopic rod 222 is fixed with the chucking gear 212, the bottom end of the retainer ring 11 is provided with a rotating groove 112 for the chucking gear 212 to rotate, the inner side wall of the rotating groove 112 is provided with a chucking groove 1121, the inner wall of the chucking groove 1121 is fixed with a chucking spring 213, one end of the chucking spring 213 away from the chucking groove 1121 is fixed with a chucking block 214, the surface of the chucking block 214 is smooth in transition, and one end of the chucking block 214 away from the chucking groove 1121 is abutted to the tooth root of the chucking gear 212.

The implementation principle of the second embodiment is as follows: when the rotary sleeve 211 is rotated, the angle of the digital display 3 can be adjusted in the horizontal direction, and at the moment, the clamping gear 212 also rotates along with the telescopic rod 222. When the chucking block 214 transits from the tooth root to the tooth root of the chucking gear 212, the chucking springs 213 are gradually compressed until the chucking block 214 abuts the tooth tip of the chucking gear 212, and when the chucking block 214 transits from the tooth tip to the tooth root of the chucking gear 212, the chucking springs 213 are gradually extended until the chucking block 214 abuts the tooth root of the chucking gear 212. Through the interaction of the clamping block 214 and the clamping gear 212, the situation that the telescopic rod 222 swings left and right in the horizontal direction is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a dual range torque wrench examines and determine appearance convenient to reading, includes examination appearance body (1), its characterized in that: the calibrating apparatus is characterized in that an adjusting device (2) is arranged on the calibrating apparatus body (1), a digital display instrument (3) is arranged on the adjusting device (2), the adjusting device (2) comprises a horizontal angle adjusting mechanism (21) and a vertical angle adjusting mechanism (23), the horizontal angle adjusting mechanism (21) is used for adjusting the angle of the digital display instrument (3) in the horizontal direction, and the vertical angle adjusting mechanism (23) is used for adjusting the angle of the digital display instrument (3) in the vertical direction.

2. The dual range torque wrench calibrator for facilitating readings according to claim 1, wherein: horizontal angle adjustment mechanism (21) is including locating bracing piece (221) on examining and determine appearance body (1), the one end that examines and determine appearance body (1) is kept away from in bracing piece (221) is connected with digital display instrument (3), bracing piece (221) rotates with examining and determine appearance body (1) and is connected.

3. The dual range torque wrench calibrator for facilitating readings according to claim 2, wherein: the detection instrument is characterized in that a check ring (11) is arranged on the detection instrument body (1), a rotating hole (111) is formed in the check ring (11), and the support rod (221) is in interference fit with the rotating hole (111).

4. The dual range torque wrench calibrator for facilitating readings according to claim 2, wherein: vertical angle adjustment mechanism (23) connect frame (231) including revolving, connect frame (231) and bracing piece (221) soon and keep away from the one end of examining and determine appearance body (1) and be connected, the bottom of digital display appearance (3) is equipped with revolves connects (232), revolve connect (232) and connect frame (231) to rotate with revolving and be connected.

5. The dual range torque wrench calibrator for facilitating readings according to claim 4, wherein: the vertical angle adjusting mechanism (23) further comprises a locking bolt (2321) arranged on the side wall of the rotary joint (232), and the locking bolt (2321) is in threaded connection with a first knob (233).

6. The dual range torque wrench calibrator for facilitating readings according to claim 4, wherein: the bottom end of the rotary joint (232) and the top end of the rotary joint frame (231) are both arc surfaces, and a stop block (2311) is arranged on one side, back to the screen of the digital display instrument (3), of the top end of the inner wall of the rotary joint frame (231).

7. The dual range torque wrench calibrator for facilitating readings according to claim 2, wherein: bracing piece (221) is including locating telescopic link (222) on examination appearance body (1), telescopic link (222) outside cover is equipped with sleeve pipe (223), the one end and digital display appearance (3) of examining examination appearance body (1) are kept away from in sleeve pipe (223), telescopic link (222) and sleeve pipe (223) sliding connection, adjusting device (2) still include height adjusting mechanism (22), height adjusting mechanism (22) are including second knob (224) that are used for adjusting sleeve pipe (223) upper and lower position, second knob (224) and sleeve pipe (223) threaded connection.

8. The dual range torque wrench calibrator for facilitating readings according to claim 7, wherein: fastening grooves (2221) are uniformly formed in the side wall of the telescopic rod (222) along the height direction of the telescopic rod (222).

9. The dual range torque wrench calibrator for facilitating readings according to claim 2, wherein: digital display appearance (3) are connected with examination appearance body (1) through connecting wire (31), bracing piece (221) are hollow rod, connecting wire (31) pass bracing piece (221) from bottom to top in proper order and connect the groove soon and leave the surplus all the time.

10. The dual range torque wrench calibrator for facilitating readings according to claim 2, wherein: be equipped with retaining ring (11) on examination appearance body (1), bracing piece (221) bottom mounting has chucking gear (212), the bottom of retaining ring (11) is equipped with supplies chucking gear (212) pivoted rotation groove (112), be equipped with chucking recess (1121) on the inside wall of rotation groove (112), be equipped with chucking spring (213) in chucking recess (1121), the one end of chucking spring (213) is fixed with the inner wall of chucking recess (1121), the one end that chucking spring (213) deviates from chucking recess (1121) is fixed with chucking piece (214), the one end that chucking piece (214) kept away from chucking recess (1121) and the tooth root butt of chucking gear (212).