CN209978825U

CN209978825U - Regulation structure of diameter gauge

Info

Publication number: CN209978825U
Application number: CN201921164842.5U
Authority: CN
Inventors: 应晓南
Original assignee: SHAOXING LASERONLINE OPTICAL INSTRUMENT Co Ltd
Current assignee: SHAOXING LASERONLINE OPTICAL INSTRUMENT Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-01-21
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses an adjusting structure of calliper relates to the technical field of calliper, which comprises an outer shell, install the mounting bracket of settling the circuit board in the shell, the shell is close to the one end of material test jig and installs the lens frame, install lens, its characterized in that on the lens frame: the side wall of the shell is provided with an adjusting mechanism for adjusting the distance between the lens frame and the mounting frame, the adjusting mechanism comprises an adjusting rod, one end of the adjusting rod is rotatably connected with the side wall of the shell close to the mounting frame, the other end of the adjusting rod is connected with an adjusting block, the side wall of the lens frame is provided with an adjusting groove vertical to the laser irradiation direction, and the adjusting block is connected with the adjusting groove in a sliding manner; the adjusting mechanism further comprises a driving piece arranged on the side wall of the shell, and the driving piece is connected with the rotating connecting end of the adjusting rod. The utility model discloses the effect of adjusting lens focus has.

Description

Regulation structure of diameter gauge

Technical Field

The utility model belongs to the technical field of the technique of calliper and specifically relates to an adjust structure of calliper is related to.

Background

A caliper, i.e., a laser caliper, is an instrument for measuring the diameter of an object by performing non-contact measurement using the optical principle of laser. The diameter measuring instrument mainly utilizes a rotating eight-face mirror to scan emitted laser into a light band, and shadow projection formed by a measured object on the light band receives signals through a photodiode and converts the signals into digital signals for measurement. The diameter measuring instrument is mainly suitable for large-diameter measurement and has the advantages of high precision and measuring blocks.

The distance between a lens of the existing laser diameter measuring instrument and an octahedral mirror for reflecting laser needs to be adjusted to a proper position, so that the laser emitted from the rotating octahedral mirror can form parallel laser after passing through the lens, and a light band with a certain width is formed. However, the focal lengths of different lens lenses are different, and when the lens of the lens is replaced in the use process of the diameter measuring instrument, the distance between the lens and the octahedral lens needs to be manually adjusted, so that the adjustment process is complex and slow, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a caliper's regulation structure carries out simple and fast ground through installing adjustment mechanism and adjusting the position of lens frame between lens frame and shell to can adapt to the focus fast when making the lens change, improve work efficiency.

The above object of the present invention can be achieved by the following technical solutions:

an adjusting structure of a diameter measuring instrument comprises a shell, wherein a mounting rack for mounting a circuit board is mounted in the shell, a lens frame is mounted at one end, close to a material testing frame, of the shell, a lens is mounted on the lens frame, an adjusting mechanism for adjusting the distance between the lens frame and the mounting rack is mounted on the side wall of the shell, the adjusting mechanism comprises an adjusting rod, one end of the adjusting rod is rotatably connected with the side wall, close to the mounting rack, of the shell, the other end of the adjusting rod is connected with an adjusting block, an adjusting groove perpendicular to the laser irradiation direction is formed in the side wall of the lens frame, and the adjusting block is connected with the adjusting; the adjusting mechanism further comprises a driving piece arranged on the side wall of the shell, and the driving piece is connected with the rotating connecting end of the adjusting rod.

Through adopting above-mentioned technical scheme, the driving piece drives and adjusts the pole and rotates, adjusts the pole and drives the regulating block when rotating and slide in the adjustment tank, when the regulating block adjustment tank slides, because the length of regulating rod is fixed for the regulating block changes with adjusting the distance that the pole rotated between the link, thereby makes the regulating block can drive the distance between lens frame and the octahedral mirror and changes, in order to adapt to the focus of different lenses.

The utility model discloses further set up to: the inside wall of shell is close to the one end of material test jig and has seted up the sliding tray along laser irradiation direction, the both ends of lens frame are connected with the sliding block, sliding block and sliding tray sliding connection, install the slide bar along sliding tray length direction in the sliding tray, the sliding hole has been seted up on the sliding block, slide bar and sliding hole sliding connection.

Through adopting above-mentioned technical scheme, the lens frame when sliding in the shell, the both ends of lens frame slide in the spout through the sliding block, and the slip of sliding block has certain limiting displacement to the vertical direction of lens frame when removing for the lens frame is more stable when sliding, and the slide bar again with the sliding hole sliding connection on the sliding block, make the lens frame at gliding in-process, more stable on the sliding direction when the lens frame slides.

The utility model discloses further set up to: the side wall of the shell is provided with a placement groove provided with a driving piece, the end face, close to the material testing frame, of the shell is provided with an adjusting hole communicated with the placement groove, the adjusting rod is connected with the adjusting hole in a sliding mode, and the side wall of the shell is hinged with a cover plate for sealing the placement groove.

Through adopting above-mentioned technical scheme, resettlement groove and apron have certain guard action to the driving piece, can make the driving piece can avoid external environment's interference, improve its durability.

The utility model discloses further set up to: the driving piece comprises a sliding block which is slidably mounted on the bottom wall of the placement groove, a first rack is mounted on the side wall, close to the material testing frame, of the sliding block along the length direction of the sliding block, a first gear which is fixedly connected with the rotation connecting end of the adjusting rod and meshed with the first rack is mounted on the side wall, far away from the material testing frame, of the sliding block, a second rack is mounted along the length direction of the sliding block, a second gear which is meshed with the second rack is mounted in the rotation of the placement groove, and a first rotation handle is fixedly connected to the top wall of the second gear.

By adopting the technical scheme, when the driving piece is used, the rotating handle on the second gear is rotated firstly to drive the second gear to rotate, the second gear rotates to drive the second rack to slide, the second rack drives the sliding block 27 to slide in the sliding groove, the sliding block drives the first rack to slide, the first rack drives the first gear to rotate, the first gear drives the adjusting rod to rotate, the adjusting rod drives the adjusting block to slide in the adjusting groove, and the adjusting block pulls the lens frame to slide along the sliding rod. The adjusting mode of the driving piece is simple and quick.

The utility model discloses further set up to: the sliding groove is formed in the bottom wall of the containing groove, one end, close to the bottom wall of the containing groove, of the sliding block is in sliding connection with the sliding groove, a rubber layer is glued to the side wall, close to the containing groove, of the cover plate, and the rubber layer is abutted to the top wall of the sliding block.

Through adopting above-mentioned technical scheme, the apron is in the closure back, and the rubber layer on the apron supports the slider tightly to make the slider receive bigger frictional resistance, the position that the driving piece is difficult for driving the lens frame again changes.

The utility model discloses further set up to: the side wall of the sliding block, on which the second rack is installed, is also provided with a third rack, the tooth pitch of the third rack is smaller than that of the second rack, a third gear meshed with the third rack is installed in the placing groove, and a second rotating handle is fixedly connected to the top wall of the third gear.

By adopting the technical scheme, after the distance between the octahedral mirror and the lens is adjusted to be close to the focal length, the rotating handle on the third gear is rotated, the rotating handle drives the third gear to rotate, the third gear drives the third rack to slide, the third rack drives the sliding block to slide, the sliding block drives the first rack to slide, the first rack drives the first gear to continue small-angle rotation, the first gear drives the adjusting rod to rotate, the adjusting rod drives the adjusting block to pull the lens frame to continue small-amplitude movement, and therefore the distance between the octahedral mirror and the lens is equal to the focal length.

The utility model discloses further set up to: a first groove matched with the first rack, the second rack and the third rack is arranged on the side wall of the sliding block, the first rack, the second rack and the third rack are connected with the corresponding grooves in a sliding way, the side walls of the grooves are provided with locking pieces, the side wall of the sliding block is provided with a pressing hole, the inside of the sliding block is provided with an inner cavity, the pressing hole is communicated with the inner cavity, the side wall of the first groove is provided with a clamping hole communicated with the inner cavity, the locking piece comprises a pressing block which is slidably arranged in the pressing hole, a first locking block is arranged in the inner cavity, the pressing block is connected with one end of the first locking block, the other end of the first locking block is connected with a second locking block which is connected with the clamping hole in a sliding way, the side walls of the first rack, the second rack and the third rack are provided with clamping grooves, and the second locking block is clamped with the clamping grooves.

Through adopting above-mentioned technical scheme, first rack, second rack and third rack can be changed through simple dismantlement, convenient maintenance. During the dismantlement, press down and press the briquetting, press the briquetting and slide along pressing the hole, press the briquetting and drive first locking piece and slide in the cavity, first locking piece drives second locking piece and shifts out from the joint inslot, then holds the slider, and first rack, second rack and the third rack that slides separate from first recess.

The utility model discloses further set up to: and a propping spring is arranged in the inner cavity, one end of the propping spring is connected with the side wall of the inner cavity, and the other end of the propping spring is connected with the side wall of the first locking block.

Through adopting above-mentioned technical scheme, support the spring and can support first locking piece to the rack under the relocking state to make the second locking piece higher with the stability of the card of rack.

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

1. the position of the lens frame is simply and quickly adjusted by installing the adjusting mechanism between the lens frame and the shell, so that the lens can quickly adapt to the focal length when being replaced, and the working efficiency is improved;

2. through setting up the rack that the tooth pitch is different for it is more accurate, more convenient in the position of adjusting the lens frame.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the housing and lens holder;

FIG. 3 is a perspective view of the adjustment mechanism;

fig. 4 is a cross-sectional view of the locking member and slider.

Reference numerals: 1. a housing; 11. a material testing frame; 12. a sliding groove; 13. a slider; 2. a lens holder; 21. a slide bar; 22. a slide hole; 24. a placing groove; 25. a drive member; 26. a chute; 27. a slider; 271. a first rack; 272. a second rack; 273. a third rack; 274. a groove; 275. a second gear; 276. a third gear; 277. a first gear; 278. rotating the handle; 28. a locking member; 281. pressing the hole; 282. a cavity; 283. a clamping hole; 284. a first locking block; 285. the spring is tightly propped; 286. a pressing block; 287. a second locking block; 288. a clamping groove; 29. adjusting a rod; 291. an adjustment hole; 292. an adjusting block; 293. an adjustment groove; 3. a cover plate; 32. and (4) bolts.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, the utility model discloses an adjusting structure of diameter gauge, including shell 1, fixedly connected with material test jig 11 on the shell 1 is provided with lens frame 2 in the shell 1, and the one end that is close to material test jig 11 on the inside wall of shell 1 has seted up sliding tray 12 along the laser irradiation direction of diameter gauge, the both ends fixedly connected with sliding block 13 of lens frame 2, sliding block 13 and sliding tray 12 sliding connection. A sliding rod 21 is installed in the sliding groove 12 along the length direction of the sliding groove 12, two ends of the sliding rod 21 are fixedly connected with the side walls at two ends of the sliding groove 12, a sliding hole 22 is formed in the sliding block 13, and the sliding rod 21 is connected with the sliding hole 22 in a sliding manner.

Referring to fig. 2 and 3, an adjusting mechanism is disposed between the housing 1 and the lens holder 2, a mounting groove 24 is disposed on a top wall of the housing 1, and the adjusting mechanism includes a driving member 25 disposed in the mounting groove 24. The bottom wall of the placing groove 24 is provided with a sliding groove 26 perpendicular to the laser irradiation direction, the driving part 25 comprises a sliding block 27 with one end connected with the sliding groove 26 in a sliding manner, the sliding block 27 is close to the side wall of the material testing frame 11 and provided with a first rack 271 along the length direction of the sliding block 27, the sliding block 27 is far away from the side wall of the material testing frame 11 and provided with a second rack 272 and a third rack 273 along the length direction of the sliding block 27, and the third rack 273 is arranged above the second rack 272. The pitch of the third rack 273 is smaller than the pitch of the second rack 272.

Referring to fig. 3 and 4, a groove 274 is formed in a side wall of the slider 27 connected to the first rack 271, the second rack 272 and the third rack 273, and the first rack 271, the second rack 272 and the third rack 273 are slidably connected to the groove 274. A locking member 28 is disposed within the recess 274. The side wall of the slide block 27 is provided with a pressing hole 281, the inside of the slide block 27 is provided with a cavity 282, the pressing hole 281 is communicated with the cavity 282, the side wall of the groove 274 is provided with a clamping hole 283, and the clamping hole 283 is communicated with the cavity 282. The locking member 28 includes a first locking block 284 slidably mounted in the interior cavity, a biasing spring 285 is fixedly connected to a side wall of the interior cavity remote from the recess 274, and an end of the biasing spring 285 remote from the side wall of the interior cavity is fixedly connected to the first locking block 284. One end of the first locking block 284 is fixedly connected with a pressing block 286 slidably connected with the pressing hole 281, the other end of the first locking block 284 is fixedly connected with a second locking block 287 slidably connected with the clamping hole 283, the side walls of the first rack 271, the second rack 272 and the third rack 273 are provided with a clamping groove 288, and the second locking block 287 is clamped with the clamping groove 288.

Referring to fig. 2 and 3, a second gear 275 and a third gear 276 are arranged on the side of the slide block 27 away from the physical test rack, the second gear 275 and the third gear 276 are rotatably connected with the bottom wall of the placement groove 24, the second gear 275 is engaged with the second rack 272, and the third gear 276 is engaged with the third rack 273. A rotating handle 278 is fixedly connected to the top walls of the second gear 275 and the third gear 276.

Referring to fig. 2 and 3, a first gear 277 is disposed on one side of the slider 27 close to the physical test rack, the first gear 277 is rotatably connected to the bottom wall of the accommodating groove 24, and an adjusting rod 29 is fixedly connected to the top wall of the first gear 277. An adjusting hole 291 communicated with the placing groove 24 is formed in the end face, close to the material testing frame 11, of the housing 1, the end, far away from the first gear 277, of the adjusting rod 29 is connected with the adjusting hole 291 in a sliding mode, and an adjusting block 292 is fixedly connected to the end, penetrating through the adjusting hole 291, of the adjusting rod 29. The lateral wall of the lens frame 2 is provided with an adjusting groove 293, the lateral wall of the adjusting groove 293 close to the notch is connected with a limiting block, and the adjusting block 292 is connected with the adjusting groove 293 in a sliding manner.

Referring to fig. 2 and 3, the housing 1 is hinged with a cover plate 3 for closing the accommodating groove 24, and a rubber layer is glued on the side wall of the cover plate 3 close to the accommodating groove 24 and abuts against the sliding block 27. The end of the cover plate 3 away from the hinge point is screwed with the side wall of the housing 1 by a bolt 32.

The implementation principle of the embodiment is as follows: after the lens of the caliper is replaced, the distance between the octahedral mirror emitting laser by the caliper and the lens is adjusted, during adjustment, the bolt 32 is screwed to open the cover plate 3, then the rotating handle 278 on the second gear 275 is rotated to drive the second gear 275 to rotate, the second gear 275 is rotated to drive the second rack 272 to slide, the second rack 272 drives the sliding block 27 to slide in the sliding groove 26, the sliding block 27 drives the first rack 271 to slide, the first rack 271 drives the first gear 277 to rotate, the first gear 277 drives the adjusting rod 29 to rotate, the adjusting rod 29 drives the adjusting block 292 to slide in the adjusting groove 293, and the adjusting block 292 pulls the lens frame 2 to slide along the sliding rod 21.

When the distance between the octahedral mirror and the lens is adjusted to be close to the focal length, then the rotating handle 278 on the third gear 276 is rotated, the rotating handle 278 drives the third gear 276 to rotate, the third gear 276 drives the third rack 273 to slide, the third rack 273 drives the sliding block 27 to slide, the sliding block 27 drives the first rack 271 to slide, the first rack 271 drives the first gear 277 to continue to rotate at a small angle, the first gear 277 drives the adjusting rod 29 to rotate, the adjusting rod 29 drives the adjusting block 292 to pull the lens frame 2 to continue to move at a small angle, and therefore the distance between the octahedral mirror and the lens is equal to the focal length.

The cover plate 3 is then closed, the bolts 32 are screwed on, and the cover plate 3 is locked.

And then using a caliper to test.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a regulation structure of calibrator, includes shell (1), install the mounting bracket of settling the circuit board in shell (1), lens frame (2) are installed to shell (1) one end that is close to material test frame (11), install lens, its characterized in that on lens frame (2): the adjusting mechanism for adjusting the distance between the lens frame (2) and the mounting frame is mounted on the side wall of the shell (1), the adjusting mechanism comprises an adjusting rod (29) with one end rotatably connected with the side wall, close to the mounting frame, of the shell (1), the other end of the adjusting rod (29) is connected with an adjusting block (292), an adjusting groove (293) perpendicular to the laser irradiation direction is formed in the side wall of the lens frame (2), and the adjusting block (292) is in sliding connection with the adjusting groove (293); the adjusting mechanism further comprises a driving piece (25) installed on the side wall of the shell (1), and the driving piece (25) is connected with the rotating connecting end of the adjusting rod (29).

2. An adjustment structure of a caliper according to claim 1, characterized in that: sliding tray (12) have been seted up along the laser irradiation direction to the one end that the inside wall of shell (1) is close to material test jig (11), the both ends of lens frame (2) are connected with sliding block (13), sliding block (13) and sliding tray (12) sliding connection, install slide bar (21) along sliding tray (12) length direction in sliding tray (12), sliding hole (22) have been seted up on sliding block (13), slide bar (21) and sliding hole (22) sliding connection.

3. An adjustment structure of a caliper according to claim 1, characterized in that: set up on the lateral wall of shell (1) and set up subside groove (24) that set up driving piece (25), shell (1) is close to and sets up regulation hole (291) that are linked together with subside groove (24) on the terminal surface of material test frame (11), adjust pole (29) and regulation hole (291) sliding connection, still articulated on the lateral wall of shell (1) have apron (3) that seal subside groove (24).

4. An adjustment structure of a caliper according to claim 3, characterized in that: the driving piece (25) comprises a sliding block (27) which is slidably mounted on the bottom wall of the placement groove (24), a first rack (271) is mounted on the side wall, close to the material testing frame (11), of the sliding block (27) along the length direction of the sliding block (27), a first gear (277) which is meshed with the first rack (271) is fixedly connected to the rotating connecting end of the adjusting rod (29), a second rack (272) is mounted on the side wall, far away from the material testing frame (11), of the sliding block (27) along the length direction of the sliding block (27), a second gear (275) which is meshed with the second rack (272) is mounted in the rotating mode of the placement groove (24), and a first rotating handle (278) is fixedly connected to the top wall of the second gear (275).

5. An adjustment structure of a caliper according to claim 4, characterized in that: the bottom wall of the placing groove (24) is provided with a sliding groove (26), one end, close to the bottom wall of the placing groove (24), of the sliding block (27) is in sliding connection with the sliding groove (26), the side wall, close to the placing groove (24), of the cover plate (3) is glued with a rubber layer, and the rubber layer is abutted to the top wall of the sliding block (27).

6. An adjustment structure of a caliper according to claim 4, characterized in that: the side wall of the second rack (272) is installed on the slide block (27), a third rack (273) is further installed on the side wall, the tooth pitch of the third rack (273) is smaller than that of the second rack (272), a third gear (276) meshed with the third rack (273) is installed in the arrangement groove (24), and a second rotating handle (278) is fixedly connected to the top wall of the third gear (276).

7. An adjustment structure of a caliper according to claim 6, characterized in that: the side wall of the sliding block (27) is provided with a first groove (274) matched with the first rack (271), the second rack (272) and the third rack (273), the first rack (271), the second rack (272) and the third rack (273) are in sliding connection with the corresponding grooves (274), the side wall of each groove (274) is provided with a locking piece (28), the side wall of the sliding block (27) is provided with a pressing hole (281), the inside of the sliding block (27) is provided with an inner cavity, the pressing hole (281) is communicated with the inner cavity, the side wall of the first groove (274) is provided with a clamping hole (283) communicated with the inner cavity, the locking piece (28) comprises a pressing block (286) slidably installed in the pressing hole (281), the inner cavity is internally provided with a first locking block (284), and the first locking block (286) is connected with one end of the first locking block (284), the other end of first locking piece (284) is connected with second locking piece (287), second locking piece (287) and joint hole (283) sliding connection, joint groove (288) have been seted up on the lateral wall of first rack (271), second rack (272) and third rack (273), second locking piece (287) and joint groove (288) joint.

8. An adjustment structure of a caliper according to claim 7, characterized in that: a propping spring (285) is installed in the inner cavity, one end of the propping spring (285) is connected with the side wall of the inner cavity, and the other end of the propping spring (285) is connected with the side wall of the first locking block (284).