CN102217967A - Percussion drill - Google Patents
Percussion drill Download PDFInfo
- Publication number
- CN102217967A CN102217967A CN 201110142131 CN201110142131A CN102217967A CN 102217967 A CN102217967 A CN 102217967A CN 201110142131 CN201110142131 CN 201110142131 CN 201110142131 A CN201110142131 A CN 201110142131A CN 102217967 A CN102217967 A CN 102217967A
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- CN
- China
- Prior art keywords
- gear
- shell
- drill bit
- drive motors
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a percussion drill which comprises a shell, a power source, a drill bit, a drive motor, a transmission gear and a return spring, wherein the drill bit is arranged on the front end of the shell; the return spring is arranged between the drill bit and the shell; the drive motor and transmission gear are arranged inside the shell; the power source is electrically connected with the drive motor; the drive motor is connected with the transmission gear; the transmission gear is provided with a shift hook; the back end of the drill bit is provided with a tail hook; and the position of the shift hook is corresponding to that of the tail hook. When being used for drilling, the percussion drill can effectively enhance the safety in the operation process, and avoid winding and splitting peripheral tissues.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of percussion drill.
Background technology
In operative process, sometimes need be on bone perforate or take out part bone, the method that adopts usually has now: osteotome is dug out and is removed, rongeur is stung and removed, electric drill is worn.But osteotome and rongeur only are used for coarse operating process, often can only be slowly worn with electric drill for the operating process of meticulous or deathtrap.And electric drill is to reach the purpose of perforate or removal osseous tissue by horizontally rotating quick polishing osseous tissue at present, but easily surrounding tissue is caused winding, tears in its rotary course.As art district next-door neighbour's nerve or blood vessel, then catastrophic effect may appear.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of percussion drill is provided, adopt the present invention's punching, can effectively improve the safety in the operation process, avoid the winding of surrounding tissue and tear.
Its technical scheme is as follows.
A kind of percussion drill, comprise shell, power supply, drill bit, drive motors, travelling gear and back-moving spring, drill bit is located at the front end of shell, back-moving spring is located between drill bit and the shell, and drive motors, travelling gear are located at enclosure, and power supply and drive motors are electrically connected, drive motors is connected with travelling gear, group hook of establishing on the travelling gear, the rear end of drill bit is provided with pintle, and it is corresponding with the position of pintle to dial hook.
Below the further technical scheme of the present invention is described.
Be connected with driven wheel on the output shaft of described drive motors, described travelling gear comprises initiatively fluted disc and driven fluted disc, and initiatively fluted disc comprises first gear and second gear, and driven fluted disc comprises the 3rd gear, and described group of hook is located on the driven fluted disc; First gear is fixing and coaxial with second gear, and the number of teeth of first gear is more than the number of teeth of second gear; The driven wheel and first gears engaged, second gear and the 3rd gears engaged.
Segment body and back segment body before described drill bit comprises, described back-moving spring is located between back segment body and the described shell.
Front end at described shell is provided with storage tank, is provided with limiting stand on described drill bit, and described back-moving spring is located between limiting stand and the shell, and limiting stand and back-moving spring are positioned at storage tank.
Be provided with the break-make button in the rear end of described shell, described power supply is electrically connected by this break-make button and described drive motors.
Be provided with first contact on described shell, be provided with second contact on described drill bit, first contact cooperates the formation touch switch with second contact, and this touch switch is connected with described break-make button.
Described first contact is positioned at described storage tank, and described second contact is located on the described shell and close described storage tank.
Front end at described shell is provided with the adjusting head, and the front end of described drill bit passes this adjusting head, regulates between head and the described shell to be connected by the attaching nut, is provided with scale in adjusting.
Below advantage of the present invention is described:
1, in the operation process, if need be to certain position punching on the bone, with the drill bit position of punching, start drive motors, drive motors drives the travelling gear rotation, the pintle of drill bit rear end mentioned backward move by the hook of dialling on the travelling gear again, when moving to certain position, the pintle of drill bit break away from dial hook and under action of reset spring forward end move, the front end of drill bit impacts on the bone, along with the travelling gear rotation, dial hook and once more the afterbody of drill bit has been dialled, so repeatedly, this shows, adopt the present invention to punch, avoid the winding of surrounding tissue (comprising nerve) and tear, improved the safety of operation;
2, in the course of the work, drive motors drives the driven wheel rotation, and slows down by driven wheel, first gear, second gear and the 3rd gear, and power passes to group hook stably the most at last, realizes the drill bit eurythmy;
3, segment body and back segment body after using a period of time, if wearing and tearing appear in preceding segment body, can be pulled down replacing with preceding segment body separately, and not need whole drill bit is pulled down before drill bit comprised, had reduced the cost of maintenance; In the course of processing, preceding segment body and back segment body can adopt different materials, have also reduced material cost;
4, be provided with storage tank in the enclosure, can hold back-moving spring easily and make things convenient for moving of limiting stand;
5, be provided with after the touch switch, even if open the break-make button, drive motors still cuts off the power supply and does not work, and the elastic force that also needs bit force and overcome back-moving spring retreats, and trigger first contact of touch switch and second contact, and drive motors is just started working; Avoid the unexpected drive motors that touches the break-make button and cause to start, also avoid drill bit that bone is punctured after, drill bit works on and damages the bone internal structure, has further improved the safety of operation;
6, the front end of shell is provided with the adjusting head, can regulate the length that drill bit exposes by regulating head, can control depth of drive accurately.
Description of drawings
Fig. 1 is the structure chart of the described percussion drill of the embodiment of the invention;
Description of reference numerals:
1, shell, 2, power supply, 3, drive motors, 4, back-moving spring, 5, dial hook, 6, pintle, 7, driven wheel, 8, first gear, 9, second gear, the 10, the 3rd gear, 11, preceding segment body, 12, the back segment body, 13, storage tank, 14, limiting stand, 15, the break-make button, 16, first contact, 17, second contact, 18, regulate head, 19, the attaching nut.
The specific embodiment
Below embodiments of the invention are elaborated.
As shown in Figure 1, a kind of percussion drill, comprise shell 1, power supply 2, drill bit, drive motors 3, travelling gear and back-moving spring 4, drill bit is located at the front end of shell 1, and back-moving spring 4 is located between drill bit and the shell 1, drive motors 3, travelling gear are located at shell 1 inside, power supply 2 is electrically connected with drive motors 3, and drive motors 3 is connected with travelling gear, group hook of establishing on the travelling gear 5, the rear end of drill bit is provided with pintle 6, and it is corresponding with the position of pintle 6 to dial hook 5.
Wherein, be connected with driven wheel 7 on the output shaft of drive motors 3, described travelling gear comprises initiatively fluted disc and driven fluted disc, and initiatively fluted disc comprises first gear 8 and second gear 9, and driven fluted disc comprises the 3rd gear 10, and described group of hook 5 is located on the driven fluted disc; First gear 8 is fixing and coaxial with second gear 9, and the number of teeth of first gear 8 is more than the number of teeth of second gear 9; Driven wheel 7 and 8 engagements of first gear, second gear 9 and 10 engagements of the 3rd gear.
Be provided with at the front end of shell 1 and regulate 18, the front end of drill bit passes this adjustings 18, regulate 18 with shell 1 between be connected by attaching nut 19, in adjusting 18, be provided with scale.
Below advantage of the present invention is described:
1, in the operation process, if need be to certain position punching on the bone, with the drill bit position of punching, start drive motors 3, drive motors 3 drives the travelling gear rotation, the pintle 6 of drill bit rear end mentioned backward move by the hook 5 of dialling on the travelling gear again, when moving to certain position, the pintle 6 of drill bit break away from dial hooks 5 and under back-moving spring 4 effects forward end move, the front end of drill bit impacts on the bone, along with the travelling gear rotation, dial hook 5 and once more the afterbody of drill bit has been dialled, so repeatedly, this shows, adopt the present invention to punch, avoid the winding of surrounding tissue (comprising nerve) and tear, improved the safety of operation;
2, in the course of the work, drive motors 3 drives driven wheel 7 rotations, and slows down by driven wheel 7, first gear 8, second gear 9 and the 3rd gear 10, and power passes to group hook 5 stably the most at last, realizes the drill bit eurythmy;
3, segment body 11 and back segment body 12 before drill bit comprises after using a period of time, if wearing and tearing appear in preceding segment body 11, can be pulled down replacing with preceding segment body 11 separately, and not need whole drill bit is pulled down, and have reduced the cost of maintenance; In the course of processing, preceding segment body 11 and back segment body 12 can adopt different materials, have also reduced material cost;
4, in shell 1, be provided with storage tank 13, can hold back-moving spring 4 easily and make things convenient for moving of limiting stand 14;
5, be provided with after the touch switch, even if open break-make button 15, drive motors 3 still cuts off the power supply and does not work, and the elastic force that also needs bit force and overcome back-moving spring 4 retreats, trigger first contact 16 of touch switch and second contact 17, and drive motors 3 is just started working; Avoid the unexpected drive motors that touches break-make button 15 and cause 3 to start, also avoid drill bit that bone is punctured after, drill bit works on and damages the bone internal structure, has further improved the safety of operation;
6, the front end of shell 1 is provided with and regulates 18, can regulate the length that drill bit exposes by regulating 18, can control depth of drive accurately.
Be specific embodiments of the invention only below, do not limit protection scope of the present invention with this; Any replacement and the improvement done on the basis of not violating the present invention's design all belong to protection scope of the present invention.
Claims (8)
1. percussion drill, it is characterized in that, comprise shell, power supply, drill bit, drive motors, travelling gear and back-moving spring, drill bit is located at the front end of shell, and back-moving spring is located between drill bit and the shell, drive motors, travelling gear are located at enclosure, power supply and drive motors are electrically connected, and drive motors is connected with travelling gear, group hook of establishing on the travelling gear, the rear end of drill bit is provided with pintle, and it is corresponding with the position of pintle to dial hook.
2. percussion drill according to claim 1, it is characterized in that, on the output shaft of described drive motors, be connected with driven wheel, described travelling gear comprises initiatively fluted disc and driven fluted disc, initiatively fluted disc comprises first gear and second gear, driven fluted disc comprises the 3rd gear, and described group of hook is located on the driven fluted disc; First gear is fixing and coaxial with second gear, and the number of teeth of first gear is more than the number of teeth of second gear; The driven wheel and first gears engaged, second gear and the 3rd gears engaged.
3. percussion drill according to claim 1 is characterized in that, segment body and back segment body before described drill bit comprises, and described back-moving spring is located between back segment body and the described shell.
4. as percussion drill as described in each in the claim 1 to 3, it is characterized in that, be provided with storage tank, on described drill bit, be provided with limiting stand at the front end of described shell, described back-moving spring is located between limiting stand and the shell, and limiting stand and back-moving spring are positioned at storage tank.
5. as percussion drill as described in the claim 4, it is characterized in that be provided with the break-make button in the rear end of described shell, described power supply is electrically connected by this break-make button and described drive motors.
6. as percussion drill as described in the claim 5, it is characterized in that, be provided with first contact on described shell, be provided with second contact on described drill bit, first contact cooperates with second contact and forms touch switch, and this touch switch is connected with described break-make button.
7. as percussion drill as described in the claim 5, it is characterized in that described first contact is positioned at described storage tank, described second contact is located on the described shell and near described storage tank.
8. as percussion drill as described in each in the claim 1 to 3, it is characterized in that be provided with the adjusting head at the front end of described shell, the front end of described drill bit passes this adjusting head, regulate between head and the described shell and is connected, in adjusting, be provided with scale by the attaching nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110142131 CN102217967B (en) | 2011-05-30 | 2011-05-30 | Percussion drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110142131 CN102217967B (en) | 2011-05-30 | 2011-05-30 | Percussion drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102217967A true CN102217967A (en) | 2011-10-19 |
| CN102217967B CN102217967B (en) | 2012-12-26 |
Family
ID=44774862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110142131 Expired - Fee Related CN102217967B (en) | 2011-05-30 | 2011-05-30 | Percussion drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102217967B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2185569Y (en) * | 1993-11-29 | 1994-12-21 | 张利剑 | Medical strait handle electric bone saw and bone drill |
| US5888200A (en) * | 1996-08-02 | 1999-03-30 | Stryker Corporation | Multi-purpose surgical tool system |
| CN201414823Y (en) * | 2009-05-26 | 2010-03-03 | 金成福 | Handle-type automatic skull drilling instrument |
| CN202146331U (en) * | 2011-05-30 | 2012-02-22 | 陈建庭 | Percussion drill |
-
2011
- 2011-05-30 CN CN 201110142131 patent/CN102217967B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2185569Y (en) * | 1993-11-29 | 1994-12-21 | 张利剑 | Medical strait handle electric bone saw and bone drill |
| US5888200A (en) * | 1996-08-02 | 1999-03-30 | Stryker Corporation | Multi-purpose surgical tool system |
| CN201414823Y (en) * | 2009-05-26 | 2010-03-03 | 金成福 | Handle-type automatic skull drilling instrument |
| CN202146331U (en) * | 2011-05-30 | 2012-02-22 | 陈建庭 | Percussion drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102217967B (en) | 2012-12-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160527 Address after: Rui building Luo Sha Development Zone 527300 Guangdong province Yunfu city 7 floor, No. 702 Patentee after: Yunfu good care medical Polytron Technologies Inc. Address before: 510515 spine surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue, Baiyun District, Guangdong, Guangzhou Patentee before: Chen Jianting Patentee before: Zheng Minghui |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170213 Address after: Guangdong province Dongguan City Gaobu town 523000 three Tang Lu Sun Science and Technology Park A Building 2 floor B District Patentee after: GUANGDONG HAOYIHU MEDICAL TECHNOLOGY CO.,LTD. Address before: Rui building Luo Sha Development Zone 527300 Guangdong province Yunfu city 7 floor, No. 702 Patentee before: Yunfu good care medical Polytron Technologies Inc. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |