CN220103917U

CN220103917U - Micrometer with replaceable chuck

Info

Publication number: CN220103917U
Application number: CN202321334561.6U
Authority: CN
Inventors: 冯康林; 崔建峰; 张万里
Original assignee: Qinghai Measuring & Cutting Tools Co ltd
Current assignee: Qinghai Measuring & Cutting Tools Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-28
Anticipated expiration: 2033-05-30

Abstract

The utility model belongs to the technical field of micrometer, and particularly discloses a micrometer with a replaceable chuck, which comprises a micrometer main body and a clamping plate, wherein a micrometer frame is arranged on the left side of the micrometer main body, a micrometer anvil is fixedly connected on the left side of the inner side of the micrometer frame, a micrometer screw is arranged in an inner cavity of the micrometer main body, the left side of the micrometer screw penetrates to the right side of the inner side of the micrometer frame, and fixing boxes are fixedly connected to the micrometer anvil and the top of the micrometer screw. This micrometer of removable chuck is provided with the inserted bar, can spacing the installation piece, through setting up the draw-in groove, can spacing to the fixture block, through setting up the mounting groove, can spacing the installation piece, effectively improve splint stability in the use, the convenience is dismantled splint simultaneously, has solved the micrometer inconvenient centre gripping to the article when using, and can not change the chuck, inconvenient centre gripping to the article of different grade type reduces holistic practicality to the problem that the people used is inconvenient.

Description

Micrometer with replaceable chuck

Technical Field

The utility model relates to the technical field of micrometer, in particular to a micrometer with a replaceable chuck.

Background

The micrometer is a tool for measuring length more precisely than vernier caliper, its measuring range is several centimeters, its part is processed into screw thread whose pitch is 0.5mm, when it is rotated in the screw sleeve of fixed sleeve B, it can be advanced or retreated, the movable sleeve C and screw rod are connected into one body, its periphery is divided into 50 divisions, the whole number of screw rod rotations is measured by dividing lines on the fixed sleeve by 0.5mm interval, the part of less than one turn is measured by dividing lines on the periphery of movable sleeve, and the final measuring result needs to be estimated and read one decimal.

The prior patent (bulletin number: CN 211696117U) discloses a micrometer comprising: the micrometer comprises a micrometer frame, a measuring head, a micrometer screw, a locking device, a sleeve and a tail knob, wherein the micrometer further comprises: spiral fixed establishment and antiskid structure, spiral fixed establishment includes: the base is integrally formed with the connecting rod, and the upper part of the connecting rod is fixedly connected with the screw rod; the bottom of the ruler frame is provided with a through hole, and an internal thread is arranged in the through hole and matched with the screw rod for use; the top of the screw rod is fixedly connected with a supporting block, and the upper surface of the supporting block is provided with a V-shaped groove; in the measuring process, the supporting block is rotated to a proper height through the screw rod, and meanwhile, the V-shaped groove is used for supporting the part to be measured, so that the part to be measured is ensured to be stable in the measuring process, and errors are reduced.

The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: the micrometer is inconvenient to clamp objects when in use, the clamping heads cannot be replaced, the objects of different types cannot be clamped conveniently, the overall practicability is reduced, and therefore the micrometer is inconvenient for people to use. Aiming at the situation, the technical innovation is carried out on the basis of the existing micrometer.

Disclosure of Invention

The utility model aims to provide a micrometer with a replaceable chuck, so as to solve the problems that the micrometer provided in the background art is inconvenient to clamp objects, cannot replace the chuck, is inconvenient to clamp different types of objects, reduces the overall practicability and is inconvenient for people to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a micrometer of removable chuck, includes micrometer main part and splint, the left side of micrometer main part is provided with the frame, the inboard left side fixedly connected with micrometer stock of frame, the inner chamber of micrometer main part is provided with micrometer screw, micrometer screw's left side runs through to the inboard right side of frame, the equal fixedly connected with fixed box in top of micrometer stock and micrometer screw, the equal fixedly connected with fixing base in bottom of micrometer stock and micrometer screw, the mounting groove has all been seted up to the inboard of micrometer stock and micrometer screw, the reservation groove has all been seted up at the top and the bottom of the inboard of micrometer stock and micrometer screw, the ring channel has been seted up in the inside surface of micrometer stock and micrometer screw and the outside that is located the mounting groove, the draw-in groove has all been seted up to the front side and the rear side of micrometer screw, the outside fixedly connected with installation piece of clamp plate, the equal fixedly connected with fixture block in front side and rear side of installation piece, the joint in the inner chamber of clamp in the mounting groove, the joint fixture block in the mounting groove.

Preferably, the inner cavity of the fixed box is movably connected with a threaded rod through a bearing, the surface of the threaded rod is in threaded connection with a threaded sleeve, the front side and the back side of the threaded sleeve are fixedly connected with connecting plates, and the bottoms of the connecting plates are fixedly connected with inserting rods.

Preferably, the spout has all been seted up to the front side and the dorsal part of fixed box inner wall, the outside sliding connection of connecting plate is in the inner chamber of spout, the top of threaded rod runs through to the top of fixed box, and the top fixedly connected with hand wheel of threaded rod.

Preferably, the front side and the back side at the top of the anvil and the micrometer screw are provided with first guide holes, the front side and the back side at the inner surface of the mounting block are provided with second guide holes, the front side and the back side at the bottom of the anvil and the micrometer screw are provided with third guide holes, and the bottom of the inserted link sequentially penetrates through the inner cavities of the first guide holes, the second guide holes and the third guide holes and extends into the inner cavity of the fixing seat.

Preferably, the front side and the back side of the bottom of the inner cavity of the fixing seat are fixedly connected with clamping seats, and the bottom of the inserted link is clamped in the inner cavity of the clamping seat.

Preferably, the front side and the back side of fixing base have all seted up first through-hole, the second through-hole has been seted up to the bottom of inserted bar internal surface, the third through-hole has all been seted up to the front side and the back side of cassette, the inner chamber of first through-hole, third through-hole and second through-hole runs through and is provided with the gag lever post, and the equal threaded connection in left and right sides on gag lever post surface has fixation nut.

Compared with the prior art, the utility model has the beneficial effects that: this micrometer of removable chuck is provided with the inserted bar, can spacing the installation piece, through setting up the draw-in groove, can spacing to the fixture block, through setting up the mounting groove, can spacing the installation piece, effectively improve splint stability in the use, the convenience is dismantled splint simultaneously, has solved the micrometer inconvenient centre gripping to the article when using, and can not change the chuck, inconvenient centre gripping to the article of different grade type reduces holistic practicality to the problem that the people used is inconvenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the fixing case of the present utility model in a side view;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of an anvil structure according to the present utility model;

FIG. 6 is a schematic view of the mounting block structure of the present utility model.

In the figure: 1. a micrometer body; 2. a ruler frame; 3. a fixed box; 4. a clamping plate; 5. measuring an anvil; 6. a micrometer screw; 7. a fixing seat; 8. a threaded rod; 9. a screw sleeve; 10. a connecting plate; 11. a rod; 12. a mounting block; 13. a hand wheel; 14. a chute; 15. a first guide hole; 16. a second guide hole; 17. a clamping block; 18. a mounting groove; 19. a third guide hole; 20. a clamping seat; 21. a second through hole; 22. a third through hole; 23. a limit rod; 24. a first through hole; 25. a fixing nut; 26. a clamping groove; 27. an annular groove; 28. reserving a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a micrometer of removable chuck, including micrometer main part 1 and splint 4, micrometer main part 1's left side is provided with frame 2, the inboard left side fixedly connected with micrometer frame 5 of frame 2, micrometer main part 1's inner chamber is provided with micrometer screw rod 6, micrometer screw rod 6's left side runs through to the inboard right side of frame 2, micrometer 5 and micrometer screw rod 6's top all fixedly connected with fixed box 3, micrometer 5 and micrometer screw rod 6's bottom all fixedly connected with fixing base 7, the mounting groove 18 has all been seted up to micrometer 5 and micrometer screw rod 6's inboard, the reservation groove 28 has all been seted up at the inboard of micrometer 5 and micrometer screw rod 6 and the top and the bottom that are located mounting groove 18, the draw-in groove 27 has been seted up in the outside of micrometer screw rod 6, micrometer 5 and micrometer screw rod 6's internal surface and the front side that is located mounting groove 18 and the back side all have been seted up draw-in groove 26, splint 4's outside fixedly connected with installation piece 12, the front side and the back side of installation piece 12 all have fixedly connected with clamping piece 17 in the inner chamber 18, the fixture block 17 is installed in mounting groove 17, the fixture block is installed in the inner chamber 17.

The inner cavity of the fixed box 3 is movably connected with a threaded rod 8 through a bearing, the surface of the threaded rod 8 is in threaded connection with a threaded sleeve 9, the front side and the back side of the threaded sleeve 9 are both fixedly connected with a connecting plate 10, the bottom of the connecting plate 10 is fixedly connected with an inserting rod 11, the mounting block 12 can be limited by arranging the inserting rod 11, the front side and the back side of the inner wall of the fixed box 3 are both provided with sliding grooves 14, the outer side of the connecting plate 10 is in sliding connection with the inner cavity of the sliding grooves 14, the top of the threaded rod 8 penetrates through the upper part of the fixed box 3, the top of the threaded rod 8 is fixedly connected with a hand wheel 13, the stability of the connecting plate 10 and the threaded sleeve 9 in the up-down moving process can be effectively improved by arranging the sliding grooves 14, the hand wheel 13 can drive the threaded rod 8 to rotate, the front side and the back side of the tops of the anvil 5 and the micrometer screw 6 are provided with first guide holes 15, the front side and the back side of the inner surface of the mounting block 12 are respectively provided with a second guide hole 16, the front side and the back side of the bottoms of the anvil 5 and the micrometer screw 6 are respectively provided with a third guide hole 19, the bottoms of the inserted rods 11 sequentially penetrate through the inner cavities of the first guide holes 15, the second guide holes 16 and the third guide holes 19 and extend into the inner cavity of the fixed seat 7, the inserted rods 11 can be guided through the first guide holes 15, the second guide holes 16 and the third guide holes 19, the front side and the back side of the bottom of the inner cavity of the fixed seat 7 are respectively fixedly connected with a clamping seat 20, the bottoms of the inserted rods 11 are clamped in the inner cavity of the clamping seat 20, the inserted rods 11 can be fixed through the clamping seat 20, the front side and the back side of the fixed seat 7 are respectively provided with a first through hole 24, the bottom of the inner surface of the inserted rods 11 is provided with a second through hole 21, the front side and the back side of the clamping seat 20 are respectively provided with a third through hole 22, and the first through hole 24, the inner cavities of the third through hole 22 and the second through hole 21 are penetrated and provided with the limiting rod 23, and the left side and the right side of the surface of the limiting rod 23 are respectively connected with the fixing nut 25 in a threaded manner, and the limiting rod 11 can be further limited by arranging the first through hole 24 and the fixing nut 25, so that the fixing effect of the inserting rod 11 to the mounting block 12 and the clamping plate 4 is improved.

Working principle: for the micrometer, firstly, the clamping block 17 is aligned with the reserved groove 28, then the clamping plate 4 is moved outwards, the clamping block 17 is positioned in the inner cavity of the annular groove 27, the clamping plate 4 is rotated, the clamping block 17 is clamped in the inner cavity of the clamping groove 26, the mounting block 12 is clamped in the inner cavity of the mounting groove 18, the clamping plate 4 is preliminarily fixed, then the hand wheel 13 is rotated, the hand wheel 13 drives the threaded rod 8 to rotate, the threaded rod 8 drives the threaded sleeve 9 to move downwards under the action of threads, the threaded sleeve 9 drives the connecting plate 10 and the inserted rod 11 to move downwards, the bottom of the inserted rod 11 sequentially penetrates through the inner cavities of the first guide hole 15, the second guide hole 16 and the third guide hole 19 and is clamped in the inner cavity of the clamping seat 20, the first through hole 24 penetrates through the inner cavities of the second through hole 21, the third through hole 22 and the first through hole 24, and with fixation nut 25 threaded connection in the surface of first through-hole 24, spacing to first through-hole 24, further improve the fixed effect of inserted bar 11 to installation piece 12 and splint 4 through first through-hole 24, when dismantling, at first with fixation nut 25 and first through-hole 24 separation, then after taking out first through-hole 24, reverse direction rotation hand wheel 13, hand wheel 13 drives threaded rod 8 and rotates, threaded rod 8 drives swivel nut 9 and upwards moves, swivel nut 9 drives inserted bar 11 upwards moves, after retrieving the inner chamber of fixed box 3 with inserted bar 11, inwards move splint 4 and drive installation piece 12 and inwards move, make the fixture block 17 be located behind the inner chamber of ring channel 27, rotate splint 4, rotate fixture block 17 to the inner chamber of reserve tank 28, conveniently dismantle splint 4.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a micrometer of removable chuck, includes micrometer main part (1) and splint (4), its characterized in that: the micrometer comprises a micrometer body (1), wherein a micrometer frame (2) is arranged on the left side of the micrometer body (1), a micrometer block (5) is fixedly connected on the left side of the micrometer frame (2), a micrometer screw (6) is arranged in an inner side of the micrometer body (1), a reserved groove (28) is formed in the top and the bottom of the micrometer screw (6), the left side of the micrometer screw (6) penetrates through the right side of the inner side of the micrometer frame (2), a fixing box (3) is fixedly connected on the top of the micrometer block (5) and the micrometer screw (6), a fixing seat (7) is fixedly connected on the bottom of the micrometer block (5) and the micrometer screw (6), a mounting groove (18) is formed in the inner side of the micrometer block (5) and is formed in the inner side of the micrometer screw (6), a clamping groove (12) is formed in the inner side of the front clamping block (12), a clamping block (12) is formed in the front side of the clamping block (12), and a clamping block (12 is fixedly connected with the front clamping block (12), the clamping block (17) is clamped in the inner cavity of the clamping groove (26).

2. A replaceable cartridge micrometer as defined in claim 1, wherein: the inner cavity of the fixed box (3) is movably connected with a threaded rod (8) through a bearing, a threaded sleeve (9) is connected to the surface of the threaded rod (8) in a threaded manner, a connecting plate (10) is fixedly connected to the front side and the back side of the threaded sleeve (9), and an inserting rod (11) is fixedly connected to the bottom of the connecting plate (10).

3. A replaceable cartridge micrometer as claimed in claim 2, wherein: the front side and the back side of the inner wall of the fixed box (3) are both provided with sliding grooves (14), the outer side of the connecting plate (10) is slidably connected in the inner cavity of the sliding grooves (14), the top of the threaded rod (8) penetrates through the upper side of the fixed box (3), and a hand wheel (13) is fixedly connected to the top of the threaded rod (8).

4. A replaceable cartridge micrometer as claimed in claim 2, wherein: the front side and the back side at the top of the anvil (5) and the micrometer screw (6) are provided with first guide holes (15), the front side and the back side of the inner surface of the mounting block (12) are provided with second guide holes (16), the front side and the back side at the bottom of the anvil (5) and the micrometer screw (6) are provided with third guide holes (19), and the bottom of the inserted link (11) sequentially penetrates through the inner cavities of the first guide holes (15), the second guide holes (16) and the third guide holes (19) and extends into the inner cavities of the fixing seats (7).

5. A replaceable cartridge micrometer as claimed in claim 2, wherein: the front side and the back side of the bottom of the inner cavity of the fixing seat (7) are fixedly connected with a clamping seat (20), and the bottom of the inserted link (11) is clamped in the inner cavity of the clamping seat (20).

6. A replaceable cartridge micrometer as set forth in claim 5 wherein: the front side and the back side of fixing base (7) have all seted up first through-hole (24), second through-hole (21) have been seted up to the bottom of inserted bar (11) internal surface, third through-hole (22) have all been seted up to the front side and the back side of cassette (20), the inner chamber of first through-hole (24), third through-hole (22) and second through-hole (21) runs through and is provided with gag lever post (23), and the equal threaded connection in left and right sides on gag lever post (23) surface has fixation nut (25).