CN210130953U

CN210130953U - Outer waterway osteotome

Info

Publication number: CN210130953U
Application number: CN201822268602.1U
Authority: CN
Inventors: 覃小柳
Original assignee: Foshan Xunteng Precision Instrument Co Ltd
Current assignee: Foshan Xunteng Precision Instrument Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-03-10
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses an outer water channel osteotomy machine, which comprises an end cover, and a housing, the handle, go out the water installation subassembly, main shaft assembly and drive assembly, main shaft assembly includes the main shaft, the chuck, the chamfer, the slope is protruding, first cylindric lock, first bearing, the second bearing, first spring, the slip cutting ferrule, the sliding sleeve, the swivel sleeve, spacing bulge loop, first C shape jump ring, second C shape jump ring, the second spring, the third spring, the adjustment tank, the steel ball, adjustment tank and first steering gear, drive assembly includes the transmission shaft, the second steering gear, primary shaft bearing, the axle sleeve, the fourth spring, the connector, the axle sleeve, second cylindric lock and third bearing. The utility model discloses an adjustment of adjusting collar makes the effect that tight and loosen of clamp is reachd in the mutual cooperation of chamfer and slope arch, such compact structure, convenient operation, and the clamping-force is good, guarantees the firm of holding stick, guarantees outer water channel osteotomy and can normally use to improve outer water channel osteotomy's performance.

Description

Outer waterway osteotome

Technical Field

The utility model relates to the technical field of medical instruments for stomatology and orthopedics, in particular to an external water channel osteotomy machine.

Background

In the process of treating stomatology and orthopedic diseases, dental hand pieces such as an external water channel osteotomy machine are needed for treatment and repair. The existing outer water channel bone cutter has insufficient clamping force on the clamping rod, is easy to loosen, and causes that the outer water channel bone cutter can not be normally used, thereby reducing the use performance of the outer water channel bone cutter.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an outer waterway bone cutting machine has solved the poor problem of outer waterway bone cutting machine performance.

In order to solve the technical problem, the utility model discloses a technical scheme does:

an external water channel osteotome comprises an end cover, a shell and a handle which are sequentially connected from left to right, wherein the left end of the shell is provided with a water outlet device assembly, a main shaft assembly is arranged in the shell, a driving assembly matched with the main shaft assembly is arranged in the handle, the main shaft assembly comprises a main shaft, a chuck inserting hole is arranged on the left end surface of the main shaft, a chuck is inserted in the chuck inserting hole, the left edge of the chuck inserting hole is provided with a chamfer angle, the right end of the outer wall of the chuck is provided with an inclined bulge matched with the chamfer angle, the right end of the chuck is uniformly provided with a plurality of cutting grooves, the right end of the chuck is fixedly connected through a first cylindrical pin, a first bearing is sleeved at the left end of the main shaft, a second bearing is sleeved at the right end of the main shaft, a first spring, a sliding cutting sleeve, a sliding sleeve and a rotating sleeve, the left side of the first spring, the left end of the main shaft is provided with a limiting convex ring, the right side of the rotating sleeve is provided with a first C-shaped clamp spring, the right side of the second bearing is provided with a second C-shaped clamp spring, the left side of the rotating sleeve is provided with a second spring sleeved on the main shaft, the limiting convex ring is provided with a third spring between the first bearing, the inner wall of the shell is provided with a second spring mounting groove, the left end of the second spring is in contact with the left wall of the second spring mounting groove, the right end of the second spring is in contact with the left end face of the rotating sleeve, the shell is provided with an adjusting groove matched with the rotating sleeve, the adjusting groove is provided with a steel ball in contact with the rotating sleeve, the shell is sleeved with an adjusting sleeve, the right end of the main shaft is provided with a first steering gear, the driving assembly comprises a transmission shaft, the left end of the connector is sleeved with a shaft sleeve, the connector and the transmission shaft are fixedly connected through a second cylindrical pin, and third bearings matched with the transmission shaft are arranged at the left end and the right end of the first bearing seat.

Further, the first steering gear is fixed on the main shaft through a third cylindrical pin.

Further, the second steering gear is fixed on the transmission shaft through a fourth cylindrical pin.

Furthermore, the left end and the right end in the adjusting sleeve are provided with first O-shaped rings.

Furthermore, go out the water installation subassembly and locate including the cover the fixed cover of shell front end, be equipped with the outlet pipe on the fixed cover, be equipped with in the fixed cover with shell matched with second O type circle.

Adopt above-mentioned technical scheme, the regulation through the adjusting collar makes the protruding effect of mutually supporting the arrival of falling the right angle and slope and pressing from both sides tightly and loosening, such compact structure, convenient operation, the clamping-force is good, guarantees the firm of holding stick, guarantees that outer water course osteotomy can normal use to improve outer water course osteotomy's performance.

Drawings

FIG. 1 is a schematic view of an exploded structure of an external waterway osteotome of the present invention;

FIG. 2 is a schematic view of an exploded structure of a driving assembly of the external water channel osteotomy machine of the present invention;

FIG. 3 is a schematic view of an exploded structure of a spindle assembly of the external water channel osteotomy machine of the present invention;

FIG. 4 is a schematic view of an exploded structure of a water outlet device assembly of the external water channel osteotomy of the present invention;

FIG. 5 is a schematic cross-sectional view of the external waterway osteotome of the present invention;

FIG. 6 is an enlarged view of A in FIG. 5;

fig. 7 is a schematic view of the external water channel osteotomy machine of the present invention.

Figures and their description:

1. a water outlet device assembly; 2. a spindle assembly; 3. a second bearing housing; 4. a second bearing; 5. a third cylindrical pin; 6. an adjusting sleeve; 7. connecting a gear sleeve; 8. decorating a ferrule; 9. an end cap; 10. a first bearing; 11. A third spring; 12. a housing; 13. an adjustment groove; 14. steel balls; 15. a second spring; 16. a second C-shaped clamp spring; 17. a first steering gear; 18. a drive assembly; 19. a handle; 20. a third bearing; 21. a fourth cylindrical pin; 22. a second cylindrical pin; 23. a second steering gear; 24. a first bearing housing; 25. a drive shaft; 26. a copper sleeve; 27. a fourth spring; 28. a shaft sleeve; 29. a connector; 30. a limit convex ring; 31. a first cylindrical pin; 32. a first C-shaped clamp spring; 33. needle turning; 34. grooving; 35. a chuck; 36. a main shaft; 37. A first spring; 38. sliding the ferrule; 39. a sliding sleeve; 40. a rotating sleeve; 41. fixing a sleeve; 42. a second O-ring; 43. a water outlet pipe; 44. a first O-ring; 45. chamfering; 46. the protrusion is inclined.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 7, the utility model provides an external water channel osteotome, including end cover 9, shell 12 and handle 19 that connect gradually from left to right, shell 12 left end is equipped with water outlet device subassembly 1, be equipped with spindle assembly 2 in the shell 12, be equipped with in the handle 19 with spindle assembly 2 matched with drive assembly 18, spindle assembly 2 includes main shaft 36, the left end face of main shaft 36 is equipped with chuck spliced eye, it has chuck 35 to peg graft in the chuck spliced eye, chuck 35 spliced eye left edge department is equipped with chamfer angle 45, the right-hand member of chuck 35 outer wall is located with the slope arch 46 of chamfer angle 45 matched with, chuck 35 right-hand member evenly is equipped with many grooving 34, chuck 35 right-hand member is through first cylindric lock 31 fixed connection, 36 left end cover of main shaft is equipped with first bearing 10, 36 right-hand member is equipped with second bearing 4, a first spring 37, a sliding clamping sleeve 38, a sliding sleeve 39 and a rotating sleeve 40 are sequentially sleeved on the main shaft 36 from left to right, the sliding clamping sleeve 38 is sleeved at the left end of the sliding sleeve 39, a limiting convex ring 30 is arranged at the left end of the main shaft 36 at the left side of the first spring 37, a first C-shaped snap spring 32 is arranged at the right side of the rotating sleeve 40, a second C-shaped snap spring 16 is arranged at the right side of the second bearing 4, a second spring 15 sleeved on the main shaft 36 is arranged at the left side of the rotating sleeve 40, a third spring 11 is arranged between the limiting convex ring 30 and the first bearing 10, a second spring installation groove is arranged on the inner wall of the shell 12, the left end of the second spring 15 is in contact with the left wall of the second spring installation groove, the right end of the second spring 15 is in contact with the left end face of the rotating sleeve 40, an adjusting groove 13 matched with the rotating sleeve 40 is arranged on the shell 12, a steel ball 14 in contact, the cover is equipped with adjusting collar 6 on the shell 12, the 36 right-hand members of main shaft are equipped with first steering gear 17, drive assembly 18 includes transmission shaft 25, from left to right the cover is equipped with second steering gear 23, first bearing frame 24, copper sheathing 26, fourth spring 27 and connector 29 in proper order on the transmission shaft 25, connector 29 left end cover is equipped with axle sleeve 28, axle sleeve 28 connector 29 with transmission shaft 25 passes through second cylindric lock 22 fixed connection, both ends all are equipped with transmission shaft 25 matched with third bearing 20 about the first bearing frame 24.

The chuck 35 of this technical scheme can press from both sides tight sewing needle 33, guarantees that sewing needle 33 is difficult for the swing and drops during operation. The right end of the chuck 35 is uniformly provided with a plurality of cutting grooves 34, and the right end of the chuck 35 and the inclined protrusions 46 are cut into equal parts by the plurality of cutting grooves 34, so that the chuck 35 can conveniently loosen and clamp the needle 33. The housing 12 is connected to the handle 19 via the connecting gear sleeve 7, and the second bearing 4 is fixed to the housing 12 via the second bearing block 3. A decorative ferrule 8 is arranged at the joint of the connecting gear sleeve 7 and the handle 19. The housing 12 and the handle 19 may be arranged on an axis to form a straight machine or may be arranged at an included angle to form a curved machine.

The working principle of the technical scheme is as follows:

when the adjusting sleeve 6 is adjusted in the counterclockwise direction, the steel ball 14 moves from bottom to top and is in contact with the groove part of the rotating sleeve 40, the rotating sleeve 40 pushes the sliding sleeve 39 leftwards, the first spring 37 is compressed under the stress, the chuck 35 and the needle 33 move leftwards simultaneously, the inclined protrusion 46 moves leftwards relative to the inverted angle 45, the chuck 35 and the main shaft 36 form clearance fit, and the needle 33 is in an open state at the moment; when the adjusting sleeve 6 is adjusted clockwise, the steel balls 14 move from top to bottom, the rotating sleeve 40 moves rightwards, the first spring 37 is not stressed to restore the original position, the sliding sleeve 39, the chuck 35 and the needle 33 move rightwards, the inclined protrusion 46 moves rightwards relative to the inverted angle, the chuck 35 is in interference fit with the main shaft 36, the needle 33 cannot be pulled out, the needle 33 is in a locking state at the moment, and the mobile phone can normally rotate.

The first steering gear 17 is fixed to the main shaft 36 by a third cylindrical pin 5. The second steering gear 23 is fixed to the transmission shaft 25 by a fourth cylindrical pin 21. The left end and the right end in the adjusting sleeve 6 are both provided with a first O-shaped ring 44. The water outlet device component 1 comprises a fixed sleeve 41 sleeved at the front end of the shell 12, a water outlet pipe 43 is arranged on the fixed sleeve 41, and a second O-shaped ring 42 matched with the shell 12 is arranged in the fixed sleeve 41. The first O-shaped ring 44 and the second O-shaped ring 42 can seal the connection part of the components, and water is prevented from entering the machine body to influence the service life.

To sum up, the utility model discloses an adjustment of adjusting collar makes the effect that tight and loosen of clamp and slope arch mutually supporting arrival of chamfer, such compact structure, convenient operation, and the clamping-force is good, guarantees the firm of holding stick, guarantees that outer water course osteotomy can normal use to improve outer water course osteotomy's performance.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. An external water channel osteotome is characterized by comprising an end cover, a shell and a handle which are sequentially connected from left to right, wherein the left end of the shell is provided with a water outlet device assembly, a main shaft assembly is arranged in the shell, a driving assembly matched with the main shaft assembly is arranged in the handle, the main shaft assembly comprises a main shaft, a chuck inserting hole is formed in the left end surface of the main shaft, a chuck is inserted in the chuck inserting hole, the left edge of the chuck inserting hole is provided with a chamfer angle, the right end of the outer wall of the chuck is provided with an inclined bulge matched with the chamfer angle, the right end of the chuck is uniformly provided with a plurality of cutting grooves, the right end of the chuck is fixedly connected through a first cylindrical pin, a first bearing is sleeved at the left end of the main shaft, a second bearing is sleeved at the right end of the main shaft, and a first spring, the sliding clamping sleeve is sleeved at the left end of the sliding sleeve, the left end of the main shaft of the first spring is provided with a limiting convex ring, the right side of the rotating sleeve is provided with a first C-shaped clamp spring, the right side of the second bearing is provided with a second C-shaped clamp spring, the left side of the rotating sleeve is provided with a second spring sleeved on the main shaft, the limiting convex ring is provided with a third spring between the first bearing, the inner wall of the shell is provided with a second spring mounting groove, the left end of the second spring is in contact with the left wall of the second spring mounting groove, the right end of the second spring is in contact with the left end face of the rotating sleeve, the shell is provided with an adjusting groove matched with the rotating sleeve, a steel ball in contact with the rotating sleeve is arranged on the adjusting groove, an adjusting sleeve is sleeved on the shell, the right end of the main shaft is provided with a first steering gear, the driving assembly comprises a transmission shaft, and, The left end of the connector is sleeved with a shaft sleeve, the connector and the transmission shaft are fixedly connected through a second cylindrical pin, and third bearings matched with the transmission shaft are arranged at the left end and the right end of the first bearing seat.

2. The external waterway osteotomy machine of claim 1, wherein the first steering gear is secured to the main shaft by a third cylindrical pin.

3. The external waterway osteotomy machine of claim 1, wherein the second steering gear is secured to the drive shaft by a fourth cylindrical pin.

4. The external waterway osteotomy machine of claim 1, wherein a first O-ring is disposed in each of left and right ends of the adjustment sleeve.

5. The external waterway osteotomy machine of claim 1, wherein said water outlet assembly includes a retaining sleeve disposed at a front end of said housing, said retaining sleeve having a water outlet tube, said retaining sleeve having a second O-ring disposed therein for mating with said housing.