CN212307952U

CN212307952U - Orthopedic drill bit stop device that uses

Info

Publication number: CN212307952U
Application number: CN202020405013.8U
Authority: CN
Inventors: 陈佩佩; 何鹏
Original assignee: Jinyun Yiweisai Machinery Technology Co ltd
Current assignee: Jinyun Yiweisai Machinery Technology Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-01-08
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses an orthopedic drill bit stop device that uses, including U type frame, the external member of threaded hole has been cup jointed in the outside activity of U type frame, threaded connection has the butterfly screw in the screw hole of external member, the outside of U type frame is equipped with the scale mark, the top of U type frame is inlayed and is equipped with the bearing, the interference is connected with the pivot in the inner ring of bearing, the lower extreme welding of pivot has the screw rod, the outside threaded connection of screw rod has the nut, one side welding of nut has the box. The utility model discloses mainly constitute by parts such as U type frame, external member, box, screw rod, in operation drilling, fix U type frame on the operation table, then according to the degree of depth that the drill bit needs to drill, refer to the scale mark and adjust the height of external member and fix through the butterfly screw to the decurrent degree of depth of restraining the drill bit improves the accuracy nature of drilling.

Description

Orthopedic drill bit stop device that uses

Technical Field

The utility model relates to the technical field of medical equipment, specifically be an orthopedic drill bit stop device.

Background

Orthopedic instruments generally refer to specialized medical instruments specifically used for orthopedic surgery; the food and drug administration is classified into the following parts: class one, class two and class two. The method can be divided into the following steps according to the use purpose and performance: joint instruments, spinal instruments, trauma instruments, foundation instruments, and the like.

In the orthopedic fixation operation, a hole needs to be drilled in a bone, and the existing drilling equipment is operated by a doctor by feeling when being used, so that the drilling depth cannot be accurately grasped, and the drilling precision is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an orthopedic drill bit stop device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an orthopedic drill bit stop device, includes U type frame, the external movable sleeve who has the screw hole has been cup jointed in the outside activity of U type frame, threaded connection has the butterfly screw in the screw hole of external member, the outside of U type frame is equipped with the scale mark, the top of U type frame is inlayed and is equipped with the bearing, the interference is connected with the pivot in the inner ring of bearing, the lower extreme welding of pivot has the screw rod, the external thread connection of screw rod has the nut, one side welding of nut has the box, the internally mounted of box has the motor, install the drill bit through the chuck on the output shaft of motor, the gag lever post has all been welded in the both sides of box, the tip welding of gag lever post has the sliding sleeve, the sliding sleeve activity cup joints in the outside of.

Preferably, the lower end of the U-shaped frame is welded with a U-shaped clamp with a threaded hole, and a rubber head screw is connected in the threaded hole of the U-shaped clamp in a threaded manner.

Preferably, the top of the rubber head screw is welded with a clamping plate, and the top of the clamping plate is provided with anti-skidding lines.

Preferably, the inside of sliding sleeve is pegged graft and is had linear bearing, linear bearing cup joints in the outside of U type frame.

Preferably, a holding part is installed at the upper end of the rotating shaft, and a rubber sleeve is sleeved outside the holding part.

Preferably, the top of the sliding sleeve is provided with a pointer.

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

1. the utility model mainly comprises a U-shaped frame, a kit, a box body, a screw rod and other parts, when drilling in an operation, the U-shaped frame is fixed on an operation bed, then the height of the kit is adjusted according to the depth of the drill bit needing to be drilled, and the kit is fixed through a butterfly screw by referring to a scale mark, thereby limiting the downward depth of the drill bit and improving the accuracy of drilling;

2. the utility model discloses install the motor in the box, when drilling, pass through the cooperation of nut through rotating the screw rod to drive the box and reciprocate, be convenient for control drill bit's falling speed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a region a in fig. 1.

In the figure: 1. a U-shaped frame; 2. a kit; 3. butterfly screws; 4. scale lines; 5. a bearing; 6. a rotating shaft; 7. a screw; 8. a nut; 9. a box body; 10. a motor; 11. a drill bit; 12. a limiting rod; 13. a sliding sleeve; 14. a U-shaped clamp; 15. a rubber head screw; 16. a splint; 17. a linear bearing; 18. a grip portion; 19. a rubber sleeve; 20. a pointer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a drill bit limiting device for orthopedic department comprises a U-shaped frame 1, a sleeve member 2 with a threaded hole is movably sleeved outside the U-shaped frame 1, a butterfly screw 3 is connected in the threaded hole of the sleeve member 2 in a threaded manner, scale marks 4 are arranged on the outer side of the U-shaped frame 1, a bearing 5 is embedded in the top of the U-shaped frame 1, a rotating shaft 6 is connected in an inner ring of the bearing 5 in an interference manner, a screw 7 is welded at the lower end of the rotating shaft 6, a nut 8 is connected in the external thread of the screw 7, a box body 9 is welded on one side of the nut 8, a holding part 18 is installed at the upper end of the rotating shaft 6, so that the rotating shaft 6 is rotated to drive the screw 7 to rotate, and a rubber;

the internally mounted of box 9 has motor 10, install drill bit 11 through the chuck on the output shaft of motor 10, gag lever post 12 has all been welded to the both sides of box 9, the tip welding of gag lever post 12 has sliding sleeve 13, sliding sleeve 13 activity cup joints in the outside of U type frame 1, pointer 20 is installed at the top of sliding sleeve 13, be convenient for refer to the position of 4 adjustment sliding sleeves 13 of scale mark, it has linear bearing 17 to peg graft in sliding sleeve 13's inside, linear bearing 17 cup joints in the outside of U type frame 1, be favorable to reducing the frictional force between sliding sleeve 13 and the U type frame 1.

The welding has the U type of threaded hole and presss from both sides 14 at the lower extreme of U type frame 1, threaded connection has rubber head screw 15 in the screw hole that the U type pressed from both sides 14, in fixed U type frame 1, press from both sides 14 centre gripping with the U type at operation table limit portion, be favorable to fixing U type frame 1 through screwing up rubber head screw 15, there is splint 16 at the top welding of rubber head screw 15, splint 16's top is equipped with anti-skidding line, be favorable to improving the area of contact of rubber head screw 15 and operation table.

The working principle is as follows: when the operation is drilled, with the U type 14 centre gripping on operation table limit portion, it is favorable to fixing U type frame 1 through screwing up rubber head screw 15, then according to the degree of depth that 11 drill bits need drill, adjust the height of external member 2 and fix through butterfly screw 3 with reference to scale mark 4, through the cooperation that rotates screw 7 through nut 8, thereby drive box 9 and reciprocate, sliding sleeve 13 of gag lever post 12 tip removes on U type frame 1 simultaneously, when sliding sleeve 13 receives external member 2 to block, no longer continue to descend, thereby restrict the decurrent degree of depth of drill bit 11, improve the accuracy nature of drilling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an orthopedic drill bit stop device, includes U type frame (1), its characterized in that: the external movable sleeve joint of U type frame (1) has external member (2) with screw hole, threaded connection has butterfly screw (3) in the screw hole of external member (2), the outside of U type frame (1) is equipped with scale mark (4), the top of U type frame (1) is inlayed and is equipped with bearing (5), interference connection has pivot (6) in the inner ring of bearing (5), the lower extreme welding of pivot (6) has screw rod (7), the external thread of screw rod (7) is connected with nut (8), one side welding of nut (8) has box (9), the internally mounted of box (9) has motor (10), install drill bit (11) through the chuck on the output shaft of motor (10), gag lever post (12) has all been welded to the both sides of box (9), the tip welding of gag lever post (12) has sliding sleeve (13), the sliding sleeve (13) is movably sleeved outside the U-shaped frame (1).

2. The orthopedic drill bit stop device of claim 1, wherein: the lower end welding of U type frame (1) has U type to press from both sides (14) of threaded hole, threaded connection has rubber head screw (15) in the threaded hole of U type clamp (14).

3. The orthopedic drill bit stop device of claim 2, wherein: the top welding of gluing first screw (15) has splint (16), the top of splint (16) is equipped with anti-skidding line.

4. The orthopedic drill bit stop device of claim 1, wherein: the inner part of the sliding sleeve (13) is inserted with a linear bearing (17), and the linear bearing (17) is sleeved outside the U-shaped frame (1).

5. The orthopedic drill bit stop device of claim 1, wherein: the upper end of the rotating shaft (6) is provided with a holding part (18), and a rubber sleeve (19) is sleeved outside the holding part (18).

6. The orthopedic drill bit stop device of claim 1, wherein: and the top of the sliding sleeve (13) is provided with a pointer (20).