CN209285701U - A kind of dedicated screw bits combined mechanism of orthopaedics - Google Patents
A kind of dedicated screw bits combined mechanism of orthopaedics Download PDFInfo
- Publication number
- CN209285701U CN209285701U CN201820183546.9U CN201820183546U CN209285701U CN 209285701 U CN209285701 U CN 209285701U CN 201820183546 U CN201820183546 U CN 201820183546U CN 209285701 U CN209285701 U CN 209285701U
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- CN
- China
- Prior art keywords
- driving box
- screw
- revolving part
- connecting rod
- positive
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of dedicated screw bits combined mechanisms of orthopaedics, by the way that positive and negative motor is arranged in the driving box of drill bit, it can be rotated by positive and negative motor and drive screw rotation, to realize precession or back-out, then revolving part is set outside drill bit, when screwing out, the driving box rotation among revolving part can also be driven, and then be able to drive connecting rod and screw back-out by can be manually rotated revolving part, it enables the device to realize manually with electronic back-out, be easy to use；Then planetary gear is set in revolving part again, revolving part is made to drive planetary gear and then drive driving box rotation, the speed for driving box rotation can be accelerated, so as to improve the speed of screw back-out；Then flat thin magnet is set in screw cap again, and iron block is set inside the head of connecting rod, when rotary screw, the flat thin magnet in screw cap can be sucked by the iron block in connecting rod, to which screw to be fixed on to the head of connecting rod, facilitates and carry out precession or back-out work.
Description
Technical field
The utility model relates to a kind of combinations of screw bits, and in particular to a kind of dedicated screw bits combination machine of orthopaedics
Structure.
Background technique
Interior fixation bone fracture plate and its lock screw system are because of its distinctive biomechanical advantage, by the high praise that AO is organized
Apply to orthopaedic trauma more and more, following related complication and disadvantage there are also after its a large amount of abuse, wherein big portion
It point is taken out with lock screw difficult related, includes " cold welding caused by screw socket damage, screw stripped thread and pinning threading dislocations
Connect " etc..It is to compare stubborn problem in bone surgery that lock screw, which takes out difficulty, if performed the operation without suitable operation tool
It will be unable to continue.
Utility model content
The utility model provides a kind of dedicated screw bits combined mechanism of orthopaedics, solves the problems in background technique.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of dedicated screw bits combined mechanism of orthopaedics of the utility model, including drill bit and screw, the drill bit include
Box is driven, revolving part is provided with outside the driving box, the revolving part is annular shape, and the revolving part surrounds driving box setting,
Several planetary gears are provided between the revolving part and driving box, the inner wall of the revolving part is equipped with a circle gear teeth, institute
It states and is provided with a circle gear teeth on driving outer box wall, all planetary gears are meshed with revolving part and driving box；The driving
Battery and positive and negative motor are provided in box, the output shaft of the positive and negative motor is through driving box, and the positive and negative motor is defeated
The tip of the axis is welded with spring out, and the spring is welded on one end of connecting rod, the connecting rod far from one end of positive and negative motor
The inside of the other end be enclosed with iron block；The screw cap of the screw is cylinder, and the company of rectangle is offered in the screw cap
Hole is connect, the bottom end of the connecting hole is pasted with flat thin magnet, and the screw is covered outside the connecting rod of drill bit by connecting hole.
As a kind of optimal technical scheme of the utility model, the spring overcoat is equipped with protective jacket, and the protective jacket
One end is welded on driving box.
As a kind of optimal technical scheme of the utility model, USB charge port is offered on the driving box.
As a kind of optimal technical scheme of the utility model, the two sides of the revolving part are provided with cricoid baffle,
And the inner ring of the baffle is welded on outside driving box.
As a kind of optimal technical scheme of the utility model, all planetary gears are each attached in rotary shaft, the rotation
Shaft passes through bearing and is mounted on the baffle of two sides.
The utility model beneficial effect achieved is: by the way that positive and negative motor, Neng Goutong are arranged in the driving box of drill bit
It crosses positive and negative motor rotation and drives connecting rod rotation, and then connecting rod can be made to drive screw rotation, thus realize precession or back-out,
Then revolving part is set outside drill bit, when screwing out, additionally it is possible to by can be manually rotated revolving part, drive the driving among revolving part
Box rotation, and then it is able to drive connecting rod and screw back-out, it enables the device to realize manually with electronic back-out, conveniently make
With；Then planetary gear is set in revolving part again, revolving part is made to drive planetary gear and then drive driving box rotation, Neng Goujia
The speed of fast driving box rotation, so as to improve the speed of screw back-out；Then flat thin magnet is set in screw cap again, and
The magnetic in screw cap can be sucked when rotary screw in setting iron block by the iron block in connecting rod inside the head of connecting rod
Iron plate facilitates so that screw to be fixed on to the head of connecting rod and carries out precession or back-out work.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is a kind of overall structure figure of the dedicated screw bits combined mechanism of orthopaedics of the utility model；
Fig. 2 is a kind of internal structure chart of the revolving part of the dedicated screw bits combined mechanism of orthopaedics of the utility model；
Fig. 3 is a kind of internal structure chart of the driving box of the dedicated screw bits combined mechanism of orthopaedics of the utility model；
Fig. 4 is a kind of top view of the screw cap of the dedicated screw bits combined mechanism of orthopaedics of the utility model；
In figure: 1, drill bit；2, screw；3, box is driven；4, battery；5, positive and negative motor；6, revolving part；7, protective jacket；8,
Spring；9, connecting rod；10, iron block；11, screw cap；12, connecting hole；13, flat thin magnet；14, planetary gear.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figs 1-4, a kind of dedicated screw bits combined mechanism of orthopaedics of the utility model, including drill bit 1
With screw 2, drill bit 1 includes driving box 3, revolving part 6 is provided with outside driving box 3, revolving part 6 is annular shape, and the revolving part 6 encloses
It is arranged around driving box 3, is provided with several planetary gears 14 between revolving part 6 and driving box 3, the inner wall of revolving part 6 is equipped with
The one circle gear teeth, drive and are provided with a circle gear teeth on 3 outer wall of box, and all planetary gears 14 are nibbled with revolving part 6 and driving 3 phase of box
It closes, convenient for the head of connecting rod 9 being put in screw cap 11, then by can be manually rotated revolving part when screwing out screw 2 manually
6, make the internal tooth of revolving part 6 that planetary gear 14 be driven to rotate, then drives the outer tooth spiral of driving box 3 by planetary gear 14 again
Turn, and then realize the rotation of driving box 3, when driving box 3 rotates, internal positive and negative motor 5 is rotated with, and then drive again with
The spring 8 that the output shaft of positive and negative motor 5 is connected rotates, and connecting rod 9 is then driven to rotate again, so that connecting rod 9 be made to drive spiral shell
2 rotation of nail, screws out screw 2；It is provided with battery 4 and positive and negative motor 5 in driving box 3, the output shaft of positive and negative motor 5 runs through
Box 3 is driven, and the output the tip of the axis of positive and negative motor 5 is welded with spring 8, spring 8 is welded on company far from one end of positive and negative motor 5
One end of extension bar 9, the inside of the other end of connecting rod 9 are enclosed with iron block 10, when the work of positive and negative motor 5, output shaft rotation
It drives connected spring 8 to rotate, and then drives connecting rod 9 to rotate by spring 8 again, driven rod when connecting rod rotates 9
The outer screw 2 being arranged of head rotates, and then realizes the precession or back-out of screw 2；The screw cap 11 of screw 2 is cylindrical, and the spiral shell
The connecting hole 12 of rectangle is offered in the head of a nail 11, the bottom end of connecting hole 12 is pasted with flat thin magnet 13, and screw 2 passes through 12 sets of connecting hole
Outside the connecting rod 9 of drill bit 1, when the head of connecting rod 9 is inserted into screw cap 11, the flat thin magnet 13 and bar of 11 bottom end of screw cap
Iron block 10 inside head generates adsorption capacity, so as to which screw 2 to be fixed at head, facilitates precession or screws out work.
Protective jacket 7 is arranged with outside spring 8, and one end of the protective jacket 7 is welded on driving box 3.
USB charge port is offered on driving box 3.
The two sides of revolving part 6 are provided with cricoid baffle, and the inner ring of the baffle is welded on outside driving box 3.
All planetary gears 14 are each attached in rotary shaft, which passes through the baffle that bearing is mounted on two sides
On.
This kind of a kind of dedicated screw bits combined mechanism of orthopaedics, by the way that positive and negative motor is arranged in the driving box 3 of drill bit 1
5, it can be rotated by positive and negative motor 5 and connecting rod 9 is driven to rotate, and then can make connecting rod 9 that screw 2 be driven to rotate, thus real
Existing precession or back-out, are then arranged revolving part 6 outside drill bit 1, when screwing out, additionally it is possible to by can be manually rotated revolving part 6, drive
Driving box 3 among revolving part 6 rotates, and then is able to drive connecting rod 9 and the back-out of screw 2, enables the device to realize manual
With electronic back-out, it is easy to use；Then planetary gear 14 is set in revolving part 6 again, revolving part 6 is made to drive planetary gear 14
And then driving box 3 is driven to rotate, the speed for driving box 3 to rotate can be accelerated, so as to improve the speed of the back-out of screw 2；So
Flat thin magnet 13 is set in screw cap 11 again afterwards, and iron block 10, when rotary screw 2, energy are set inside the head of connecting rod 9
The flat thin magnet 13 in screw cap 11 is enough sucked by the iron block 10 in connecting rod 9, so that screw 2 to be fixed on to the bar of connecting rod 9
Head facilitates and carries out precession or back-out work.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of dedicated screw bits combined mechanism of orthopaedics, including drill bit (1) and screw (2), which is characterized in that the drill bit
(1) include driving box (3), be provided with revolving part (6) outside the driving box (3), the revolving part (6) is circular, and the rotation
Turn part (6) around driving box (3) setting, is provided with several planetary gears between the revolving part (6) and driving box (3)
(14), the inner wall of the revolving part (6) is equipped with a circle gear teeth, is provided with a circle gear teeth on driving box (3) outer wall, owns
Planetary gear (14) with revolving part (6) and driving box (3) be meshed；Be provided in the driving box (3) battery (4) and
Positive and negative motor (5), the output shaft of the positive and negative motor (5), which runs through, drives box (3), and the output shaft of the positive and negative motor (5)
End is welded with spring (8), and the spring (8) is welded on one end of connecting rod (9) far from the one end of positive and negative motor (5), described
The inside of the other end of connecting rod (9) is enclosed with iron block (10)；The screw cap (11) of the screw (2) is cylindrical, and the spiral shell
The connecting hole (12) of rectangle is offered in the head of a nail (11), the bottom end of the connecting hole (12) is pasted with flat thin magnet (13), the spiral shell
Nail (2) by connecting hole (12) cover drill bit (1) connecting rod (9) outside.
2. the dedicated screw bits combined mechanism of a kind of orthopaedics according to claim 1, which is characterized in that the spring
(8) it is arranged with protective jacket (7) outside, and one end of the protective jacket (7) is welded in driving box (3).
3. the dedicated screw bits combined mechanism of a kind of orthopaedics according to claim 1, which is characterized in that the driving box
(3) USB charge port is offered on.
4. the dedicated screw bits combined mechanism of a kind of orthopaedics according to claim 1, which is characterized in that the revolving part
(6) two sides are provided with cricoid baffle, and the inner ring of the baffle is welded on driving box (3) outside.
5. the dedicated screw bits combined mechanism of a kind of orthopaedics according to claim 4, which is characterized in that all planets
Gear (14) is each attached in rotary shaft, which passes through bearing and be mounted on the baffle of two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183546.9U CN209285701U (en) | 2018-02-02 | 2018-02-02 | A kind of dedicated screw bits combined mechanism of orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183546.9U CN209285701U (en) | 2018-02-02 | 2018-02-02 | A kind of dedicated screw bits combined mechanism of orthopaedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209285701U true CN209285701U (en) | 2019-08-23 |
Family
ID=67650531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820183546.9U Expired - Fee Related CN209285701U (en) | 2018-02-02 | 2018-02-02 | A kind of dedicated screw bits combined mechanism of orthopaedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209285701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448371A (en) * | 2019-07-10 | 2019-11-15 | 邬剑娜 | A kind of dedicated screw bits combined mechanism of orthopaedics |
| CN111956321A (en) * | 2020-08-31 | 2020-11-20 | 曹阳 | Multifunctional medical orthopedic drill bit based on magnetic attraction principle |
-
2018
- 2018-02-02 CN CN201820183546.9U patent/CN209285701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448371A (en) * | 2019-07-10 | 2019-11-15 | 邬剑娜 | A kind of dedicated screw bits combined mechanism of orthopaedics |
| CN111956321A (en) * | 2020-08-31 | 2020-11-20 | 曹阳 | Multifunctional medical orthopedic drill bit based on magnetic attraction principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20200202 |