CN219223651U

CN219223651U - Laser calliper

Info

Publication number: CN219223651U
Application number: CN202320347623.0U
Authority: CN
Inventors: 应晓南; 林超; 李自强; 姜丽丽
Original assignee: Shaoxing Laseronline Optical Instr Co ltd
Current assignee: Shaoxing Laseronline Optical Instr Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-06-20
Anticipated expiration: 2033-02-21

Abstract

The utility model relates to a laser calliper's field especially relates to a laser calliper, and it includes the calliper body, set up the recess that is used for measuring the measured object diameter on the calliper body, be provided with the guide pulley group that is used for supporting the pipe fitting in the recess, recess width direction's both sides are provided with two sets of clamping assemblies that are used for carrying out the centre gripping to the pipe fitting both ends respectively, clamping assemblies includes two splint and two driving pieces, every driving piece is used for driving one of them splint and is close to another splint and carry out the centre gripping to pipe fitting one end. The method and the device have the effects of adapting to the measured objects with different diameters and improving the stability of the measured objects.

Description

Laser calliper

Technical Field

The application relates to the field of laser callipers, in particular to a laser calliper.

Background

The laser diameter measuring instrument is a high-precision instrument for measuring the diameter of an object by utilizing the optical principle of laser to perform non-contact measurement.

The utility model in China with the application number of CN202022131327.6 discloses a spacing-adjustable guide wheel device of a laser caliper, which comprises a caliper body and two guide wheels, wherein an adjusting mechanism for adjusting the spacing between the two guide wheels is arranged between the caliper body and the two guide wheels, brackets for the two guide wheels to rotationally connect are respectively arranged on two sides of the caliper body in a telescopic manner, the adjusting mechanism comprises a compression spring arranged between the caliper body and the brackets and driving the brackets to move towards the direction close to the caliper body, and an adjusting assembly arranged between the brackets and the caliper body and used for overcoming the elasticity of the compression spring to drive the brackets to move towards the direction far away from the caliper body. According to the utility model, the elastic force of the compression spring is overcome by the adjusting component to drive the brackets to move towards the direction away from the calliper body, so that the guide wheels on the two brackets can move towards the direction away from each other to adapt to a measured object with longer length, and the stability of the measured object placed on the two guide wheels is improved.

With respect to the related art in the above, the inventors found that there are the following drawbacks: when the diameter of the measured object is larger, the length of the guide wheels is shorter, and the stability of the measured object when the measured object is placed on the two guide wheels is poorer.

Disclosure of Invention

In order to adapt to measured objects with different diameters and improve stability of the measured objects, the application provides a laser calliper.

The application provides a laser calliper adopts following technical scheme:

the utility model provides a laser calliper, includes the calliper body, offer the recess that is used for measuring the measured object diameter on the calliper body, be provided with the guide pulley group that is used for supporting the pipe fitting in the recess, recess width direction's both sides are provided with two sets of clamping assemblies that are used for carrying out the centre gripping to the pipe fitting both ends respectively, clamping assemblies includes two splint and two driving pieces, every driving piece is used for driving one of them splint and is close to another splint and carry out the centre gripping to pipe fitting one end.

Through adopting above-mentioned technical scheme, when need carrying out the diameter measurement to the pipe fitting, the staff only need place the pipe fitting on the guide pulley group, and rethread driving piece drive splint are to pipe fitting both ends centre gripping to adapt to the measured object of different diameters, and then improve the stability of measured object.

Preferably, the driving piece includes link frame, first gear, second gear, first rack, second rack, sliding plate and extensible member, the guide pulley group is located the sliding plate, sliding plate and recess sliding connection and slip direction are vertical direction, the extensible member is located between sliding plate and the recess diapire, the second rack is connected with splint, link frame is located one side of recess width direction and link frame and calliper body coupling, the spout has been seted up on the link frame, the second rack is the length direction of recess with the slip direction of spout sliding connection and second rack, first gear and second gear all rotate and set up on the link frame, first gear and second gear circumference are fixed, the second gear is connected with the second rack meshing, first gear is connected with first rack, first rack is connected with the sliding plate top and first rack sets up along vertical direction.

Through adopting above-mentioned technical scheme, when the pipe fitting place on the guide pulley group after, under the gravity effect of pipe fitting, sliding plate and recess sliding connection and sliding plate down motion drive first rack down motion simultaneously to drive first gear rotation, drive the second gear again and rotate, drive the second rack at last and follow recess length direction and slide, thereby make two splint follow recess length direction and remove, two splint are close to each other and carry out the centre gripping to pipe fitting one end, labour saving and time saving, the energy saving.

Preferably, the telescopic piece comprises a plurality of first springs, one ends of the first springs are connected with the bottom wall of the groove, and the other ends of the first springs are connected with the bottom of the sliding plate.

Through adopting above-mentioned technical scheme, when the sliding plate slides, first spring compression, thereby first spring resets and drives the sliding plate and reset when the pipe fitting is taken up, simple structure, the purchase of being convenient for.

Preferably, the sliding plate is connected with a limiting part used for limiting the sliding plate during sliding, the limiting part comprises two limiting columns and two limiting bases, the two limiting columns are arranged in the vertical direction, the two limiting bases are respectively connected with two sides of the width direction of the groove, one ends of the limiting columns are respectively connected with the two limiting bases, limiting holes are formed in the sliding plate, and the other ends of the limiting columns are in sliding connection with the limiting holes and the sliding direction is the vertical direction.

Through adopting above-mentioned technical scheme, when the sliding plate slides, spacing post and spacing hole sliding connection to avoid the sliding plate to break away from the slip direction of vertical direction, and then improve the stability of sliding plate.

Preferably, the splint are connected with the bolster that is used for with pipe fitting perisporium butt, the bolster includes buffer board, a plurality of traveller and a plurality of second spring, a plurality of slide holes have been seted up on the splint, a plurality of traveller one end respectively with a plurality of slide hole sliding connection and the slip direction be the length direction of recess, the traveller other end is connected with buffer board one side, the buffer board opposite side is used for with pipe fitting perisporium butt, the second spring cover is located on the traveller and the second spring is located between splint and the buffer board.

Through adopting above-mentioned technical scheme, when two splint are close to each other, the perisporium butt of two buffer plates and pipe fitting one end, the time slide post slides, and the second spring compresses to both adapt to the pipe fitting of different diameters, avoid two splint too big leading to the pipe fitting tip damaged to the clamping force of pipe fitting one end again.

Preferably, the guide wheel group comprises two guide wheels and an adjusting piece, the guide wheels are arranged along the length direction of the groove, the two guide wheels are rotatably arranged on the sliding plate and are arranged along the width direction of the groove, and the adjusting piece is used for controlling the two guide wheels to move along the width direction of the groove.

Through adopting above-mentioned technical scheme, when pipe fitting length is different, the staff only need to control two guide pulleys through the regulating part and remove in order to support the pipe fitting along recess width direction to adapt to the pipe fitting of different length.

Preferably, the adjusting piece comprises two screw rods and two driving pieces, wherein the two screw rods of the screw rods are arranged along the width direction of the groove, the guide wheel is connected with the nut of the screw rod, and the two driving pieces are respectively used for driving the screw rods of the two screw rods to rotate.

Through adopting above-mentioned technical scheme, when pipe fitting length is different, the staff only need improve the screw rod rotation that two drives two lead screws of piece drive to make the nut of lead screw remove respectively, thereby control two guide pulleys and remove in order to support the pipe fitting of different length along recess width direction, and then adapt to.

Preferably, the driver comprises a handle, the handle is circumferentially fixed with the screw rod of the screw rod, and the handle is used for being held by a worker.

Through adopting above-mentioned technical scheme, when need adjusting the lead screw, the staff only need twist the handle and can drive the lead screw that wants to remove, simple structure and saving cost

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

1. when the diameter of the pipe fitting is required to be measured, a worker only needs to place the pipe fitting on the guide wheel set, and then drives the clamping plates to clamp the two ends of the pipe fitting through the driving piece, so that errors caused by unstable placement during pipe fitting measurement are avoided, the precision is improved, the device is suitable for measured objects with different diameters, and the stability of the measured objects is improved;

2. when the pipe fitting is placed on the guide wheel group, the sliding plate is in sliding connection with the groove under the action of gravity of the pipe fitting, the sliding plate moves downwards, the first rack is driven to move downwards, the first gear is driven to rotate, the second rack is driven to slide along the length direction of the groove finally, so that the two clamping plates move along the length direction of the groove, the two clamping plates are mutually close to clamp one end of the pipe fitting, and the time and the labor are saved;

3. when the sliding plate slides, the limiting column is in sliding connection with the limiting hole, so that the sliding plate is prevented from being separated from the sliding direction in the vertical direction, and the stability of the sliding plate is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a laser caliper according to an embodiment of the present application.

Fig. 2 is an enlarged partial schematic view at a in fig. 1.

Fig. 3 is another overall structural schematic diagram of the laser calliper according to the embodiment of the present application, mainly showing the adjusting member.

Reference numerals illustrate: 100. a calliper body; 110. a groove; 210. a clamping plate; 211. a slide hole; 220. a linkage frame; 221. a chute; 230. a first gear; 240. a second gear; 250. a first rack; 260. a second rack; 270. a sliding plate; 271. a limiting hole; 280. a first spring; 310. a limit column; 320. a limit base; 410. a buffer plate; 420. a spool; 430. a second spring; 510. a guide wheel; 520. a screw rod; 530. a handle.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a laser calliper. Referring to fig. 1 and 2, a laser calliper includes a calliper body 100, a groove 110 for measuring the diameter of a measured object is formed in the calliper body 100, a scanning mirror assembly for measuring the pipe is disposed in the groove 110 of the calliper body 100, a guide wheel 510 set for supporting the pipe is disposed in the groove 110, two clamping assemblies for clamping two ends of the pipe are disposed on two sides of the groove 110 in the width direction, each clamping assembly includes two clamping plates 210 and two driving members, and each driving member is used for driving one of the clamping plates 210 to be close to the other clamping plate 210 to clamp one end of the pipe.

The driving piece comprises a linkage frame 220, a first gear 230, a second gear 240, a first rack 250, a second rack 260, a sliding plate 270 and a telescopic piece, wherein the guide wheel 510 group is positioned on the sliding plate 270, the sliding plate 270 is in sliding connection with the groove 110, the sliding direction is vertical, the telescopic piece is positioned between the sliding plate 270 and the bottom wall of the groove 110, the telescopic piece comprises a plurality of first springs 280, one ends of the first springs 280 are connected with the bottom wall of the groove 110, the other ends of the first springs 280 are connected with the bottom of the sliding plate 270, the second rack 260 is connected with the clamping plate 210 through bolts, the linkage frame 220 is positioned on one side of the width direction of the groove 110, the linkage frame 220 is connected with the calliper body 100 through bolts, a sliding groove 221 is formed in the linkage frame 220, the sliding direction of the second rack 260 is in sliding connection with the sliding groove 221, the first gear 230 and the second gear 240 are both rotationally arranged on the linkage frame 220, the first gear 230 is circumferentially fixed with the second gear 240, the second gear 240 is meshed with the second rack 260, the first gear 230 is connected with the first rack 250, and the first rack 250 is vertically connected with the first rack 250 through the top 250 along the vertical direction 250.

The sliding plate 270 is connected with a limiting part for limiting the sliding plate 270 during sliding, the limiting part comprises two limiting columns 310 and two limiting bases 320, the two limiting columns 310 are all arranged in the vertical direction, the two limiting bases 320 are respectively connected with two ends of the width direction of the groove 110 through bolts, one ends of the two limiting columns 310 are respectively connected with the two limiting bases 320 through bolts, limiting holes 271 are formed in the sliding plate 270, and the other ends of the limiting columns 310 are connected with the limiting holes 271 in a sliding mode and the sliding direction is in the vertical direction.

The clamping plate 210 is connected with a buffer member for abutting against the peripheral wall of the pipe fitting, the buffer member comprises a buffer plate 410, two sliding columns 420 and two second springs 430, two sliding holes 211 are formed in the clamping plate 210, one ends of the two sliding columns 420 are respectively connected with the two sliding holes 211 in a sliding mode, the sliding direction is the length direction of the groove 110, the two sliding columns 420 are respectively located on two sides of the second rack 260, the other ends of the sliding columns 420 are connected with one side of the buffer plate 410 through bolts, the other side of the buffer plate 410 is used for abutting against the peripheral wall of the pipe fitting, the second springs 430 are sleeved on the sliding columns 420 and located between the clamping plate 210 and the buffer plate 410, in another embodiment, the buffer member comprises an inflatable air bag, one side of the air bag is adhered with the buffer plate 410, and the other side of the air bag is abutted against the peripheral wall of the pipe fitting.

Referring to fig. 1 and 3, the guide wheel 510 set includes two guide wheels 510 and an adjusting member, the guide wheels 510 are arranged along the length direction of the groove 110, the two guide wheels 510 are rotatably arranged on the slide plate, the two guide wheels 510 are arranged along the width direction of the groove 110, the adjusting member is used for controlling the two guide wheels 510 to move along the width direction of the groove 110, the adjusting member includes two lead screws 520 and two driving members, the two lead screws 520 are all arranged along the width direction of the groove 110, the nut of the lead screw 520 is connected with a sliding block, the sliding plate 270 is provided with a limit groove, the bottom of the sliding block is slidably connected with the limit groove, the sliding direction is the width direction of the groove 110, the base of the guide wheels 510 is connected with the top of the sliding block through bolts, the two driving members are respectively used for driving the two lead screws 520 to rotate, the driving members include a handle 530, the handle 530 is circumferentially fixed with the lead screws of the lead screws 520, and the handle 530 is used for being held by a worker.

The implementation principle of the laser calliper is as follows: when the diameter of the pipe fitting needs to be measured, a worker only needs to place the pipe fitting on the guide wheel 510 set, when the pipe fitting is placed on the guide wheel 510 set, under the action of gravity of the pipe fitting, the sliding plate 270 is in sliding connection with the groove 110 and the sliding plate 270 moves downwards, meanwhile, the first rack 250 is driven to move downwards, so that the first gear 230 is driven to rotate, the second gear 240 is driven to rotate, finally the second rack 260 is driven to slide along the length direction of the groove 110, the two clamping plates 210 move along the length direction of the groove 110, and the two clamping plates 210 are mutually close to one end of the pipe fitting to clamp, so that the measured objects with different diameters are adapted, and the stability of the measured objects is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A laser calliper, characterized in that: including calliper body (100), seting up recess (110) that are used for measuring the measured object diameter on calliper body (100), be provided with guide pulley (510) group that are used for supporting the pipe fitting in recess (110), recess (110) width direction's both sides are provided with two sets of clamping assemblies that are used for carrying out the centre gripping to the pipe fitting both ends respectively, clamping assemblies includes two splint (210) and two driving pieces, every driving piece is used for driving one of them splint (210) and is close to another splint (210) and carry out the centre gripping to pipe fitting one end.

2. A laser calliper according to claim 1, wherein: the driving part comprises a linkage frame (220), a first gear (230), a second gear (240), a first rack (250), a second rack (260), a sliding plate (270) and a telescopic part, wherein the guide wheel (510) is arranged on the sliding plate (270), the sliding plate (270) is in sliding connection with the groove (110) and the sliding direction is vertical, the telescopic part is arranged between the sliding plate (270) and the bottom wall of the groove (110), the second rack (260) is connected with the clamping plate (210), the linkage frame (220) is arranged on one side of the width direction of the groove (110) and is connected with the calliper body (100), a sliding groove (221) is arranged on the linkage frame (220), the second rack (260) is in sliding connection with the sliding groove (221), the sliding direction of the second rack (260) is the length direction of the groove (110), the first gear (230) and the second gear (240) are both rotationally arranged on the linkage frame (220), the first gear (230) and the second gear (240) are circumferentially fixed, the second gear (240) is connected with the first rack (230) in a circumferential manner, the second gear (240) is meshed with the first rack (250), the first rack (250) is connected with the top of the sliding plate (270), and the first rack (250) is arranged along the vertical direction.

3. A laser calliper according to claim 2, wherein: the telescopic piece comprises a plurality of first springs (280), one ends of the first springs (280) are connected with the bottom wall of the groove (110), and the other ends of the first springs (280) are connected with the bottom of the sliding plate (270).

4. A laser calliper according to claim 2, wherein: the sliding plate (270) is connected with a limiting part used for limiting the sliding plate (270) during sliding, the limiting part comprises two limiting columns (310) and two limiting bases (320), the two limiting columns (310) are all arranged in the vertical direction, the two limiting bases (320) are respectively connected with two sides of the width direction of the groove (110), one end of each limiting column (310) is respectively connected with the two limiting bases (320), limiting holes (271) are formed in the sliding plate (270), and the other ends of the limiting columns (310) are in sliding connection with the limiting holes (271) and the sliding direction is the vertical direction.

5. A laser calliper according to claim 1, wherein: the clamping plate (210) is connected with a buffer piece used for being abutted to the peripheral wall of the pipe fitting, the buffer piece comprises a buffer plate (410), a plurality of sliding columns (420) and a plurality of second springs (430), a plurality of sliding holes (211) are formed in the clamping plate (210), one ends of the sliding columns (420) are respectively connected with the sliding holes (211) in a sliding mode, the sliding direction is the length direction of the groove (110), the other ends of the sliding columns (420) are connected with one side of the buffer plate (410), the other side of the buffer plate (410) is used for being abutted to the peripheral wall of the pipe fitting, and the second springs (430) are sleeved on the sliding columns (420) and located between the clamping plate (210) and the buffer plate (410).

6. A laser calliper according to claim 1, wherein: the guide wheel (510) group comprises two guide wheels (510) and an adjusting piece, wherein the guide wheels (510) are arranged along the length direction of the groove (110), the two guide wheels (510) are rotatably arranged on the sliding plate, the two guide wheels (510) are arranged along the width direction of the groove (110), and the adjusting piece is used for controlling the two guide wheels (510) to move along the width direction of the groove (110).

7. A laser calliper according to claim 6, wherein: the adjusting piece comprises two screw rods (520) and two driving pieces, wherein the screw rods of the two screw rods (520) are arranged along the width direction of the groove (110), the guide wheel (510) is connected with the nut of the screw rod (520), and the two driving pieces are respectively used for driving the screw rods of the two screw rods (520) to rotate.

8. A laser calliper according to claim 7, wherein: the driver comprises a handle (530), wherein the handle (530) is circumferentially fixed with a screw of the screw rod (520), and the handle (530) is used for being held by a worker.