CN201492470U - Medical bit connecting structure - Google Patents
Medical bit connecting structure Download PDFInfo
- Publication number
- CN201492470U CN201492470U CN2009202065039U CN200920206503U CN201492470U CN 201492470 U CN201492470 U CN 201492470U CN 2009202065039 U CN2009202065039 U CN 2009202065039U CN 200920206503 U CN200920206503 U CN 200920206503U CN 201492470 U CN201492470 U CN 201492470U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- drillstock
- lock tube
- left part
- steel ball
- 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.)
- Expired - Lifetime
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Abstract
A medical bit connecting structure comprises a clamping mechanism at the right end of a drill handpiece and a drillstock at the left part of a bit, and is characterized in that the clamping mechanism comprises a main shaft; a blind hole is formed on the main shaft; a positioning hole is formed in the radial direction of the main shaft; a square groove is formed at the right end part of the main shaft; the clamping mechanism further comprises a lock sleeve sleeved outside the main shaft; a convex ring at the inner middle part of the lock sleeve is in contact with a steel ball in the positioning hole; a compression spring sleeved on the main shaft is arranged in a ring groove at the left part in the lock sleeve; a stepped ring groove is formed at the inner right part of the lock sleeve; a column is arranged at the left part of the drillstock at the left part of the bit, and is correspondingly matched with the blind hole on the main shaft; a positioning ring groove correspondingly matched with the positioning hole on the main shaft and the steel ball is formed at the middle part of the drillstock; and a flat square at the right part of the drillstock is correspondingly matched with the square groove at the right end part of the main shaft. The connecting structure has the advantages of reliable axial and radial positioning and convenient clamping and disassembly of the bit and the drill handpiece.
Description
Technical field
This utility model relates to a kind of fitting of medical apparatus, especially relates to the medical drill bit syndeton that is used for operation of opening cranium boring in a kind of power set of performing the operation.
Background technology
In operation of opening cranium, generally on skull, make drilling operation.Be provided with interface on brill mobile phone and drill bit, the clamping that is used for both connects.Drill bit is connected with the clamping that bores mobile phone should be easy to operate, clamping is reliable.Some drill bits adopt cone match to be connected with boring between the mobile phone for this reason, this cone match is higher to required precision, and the stressed back of brill rear cone cooperates meeting very tight, even want tool using drill bit could be taken off, influence operation convenience, in addition, when the cone match precision is bad, drill bit may occur and rock, influence operation technique.
Summary of the invention
The purpose of this utility model provides a kind of medical drill bit syndeton, and it is simple in structure, and processing easily can make drill bit and the clamping, the convenient disassembly that bore mobile phone, and clamping is reliable.
A kind of medical drill bit syndeton described in the utility model comprises and stretches out the clamping device that bores the handset shell right-hand member and the drillstock of drill bit left part, and this drillstock and clamping device are connected, and it is characterized in that:
Described clamping device comprises main shaft, is provided with a blind hole on the centrage of main shaft, main shaft radially be provided with 1 locating hole that communicates with blind hole middle part at least, be provided with a steel ball in the locating hole, be provided with a square groove in the right part of main shaft; Also comprise the lock tube that is enclosed within the main shaft outside, middle part in lock tube is provided with a bulge loop, steel ball in this bulge loop and each locating hole contacts, left part in lock tube is provided with an annular groove, be provided with a compression spring that is enclosed within on the main shaft in this annular groove, the interior bulge loop of right-hand member and the lock tube of compression spring near, left end and be located on the main shaft spring base near; Right part in lock tube is provided with a ladder annular groove, and is gapped between the left part of this ladder annular groove and the main shaft;
The left part of the drillstock of described drill bit left part is a cylinder, the blind hole corresponding matching on this cylinder and the spindle centerline; Middle part at drillstock is provided with positioning ring groove, the steel ball corresponding matching in locating hole on this positioning ring groove and the main shaft and the locating hole; Right part at drillstock is flat side, the square groove corresponding matching of this flat side and main shaft right part." the flat side " of drillstock right part described in the utility model is processed with two planar structures that are parallel to each other on one section cylindrical surface.
This utility model is compared with prior art and had the following advantages: main shaft cooperates with cylinder by circular hole with drillstock, handling ease, and precision easily guarantees; Because main shaft and drillstock adopt steel ball and annular groove to be connected, so axial location is reliable; Because main shaft adopts flat square structure to cooperate with drillstock, so main shaft and drillstock are also reliable by flat side's transmission; Drill bit and the clamping, the convenient disassembly that bore mobile phone, and simple in structure, processing easily.
Description of drawings
Fig. 1 is a clamping device structural representation of the present utility model.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is a drillstock structural representation of the present utility model.
Fig. 4 is the A-A cutaway view of Fig. 3.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, described a kind of medical drill bit syndeton comprises and stretches out the clamping device that bores handset shell 1 right-hand member and the drillstock 6-1 of drill bit 6 left parts that this drillstock and clamping device are connected; Described clamping device comprises main shaft 5, on the centrage of main shaft 5, be provided with a blind hole 5-1, the locating hole that communicates with blind hole 5-1 middle part radially being provided with of main shaft 53 (can establish 1,2,4,5 or 6 again ...), be provided with a steel ball 4 in each locating hole, be provided with a square groove 5-2 in the right part of main shaft 5; Also comprise the lock tube 3 that is enclosed within main shaft 5 outsides, middle part in lock tube 3 is provided with a bulge loop, steel ball 4 in this bulge loop and each locating hole contacts, left part in lock tube 3 is provided with an annular groove, be provided with a compression spring 2 that is enclosed within on the main shaft 5 in this annular groove, the interior bulge loop of right-hand member and the lock tube of compression spring 23 near, left end and be located on the main shaft 5 spring base near; Right part in lock tube 3 is provided with a ladder annular groove 3-1, and is gapped between the left part of this ladder annular groove 3-1 and the main shaft 5;
The left part of the drillstock 6-1 of described drill bit 6 left parts is a cylinder, the blind hole 5-1 corresponding matching on this cylinder and main shaft 5 centrages; Be provided with positioning ring groove 6-2 at the middle part of drillstock 6-1, steel ball 4 corresponding matching in locating hole on this positioning ring groove 6-2 and the main shaft 5 and the locating hole; Right part at drillstock 6-1 is flat side 6-3, the square groove 5-2 corresponding matching of this flat side 6-3 and main shaft 5 right parts.
During clamping drill bit 6, to the Zola, the ladder annular groove 3-1 on the lock tube 3 is also to moving to left with lock tube 3, and at this moment the cylinder 6-1 with drill bit 6 left parts inserts among the blind hole 5-1 of main shaft 5, steel ball 4 can be retracted among the ladder annular groove 3-1, and the flat side 6-3 of drillstock 6-1 right part also is inserted among the square groove 5-2 of main shaft 5; At this moment unclamp lock tube 3, the elastic force effect of compression spring 2 moves to right lock tube 3, and lock tube 3 is pressed into steel ball 4 among the positioning ring groove 6-2 at drillstock 6-1 middle part, and at this moment 4 pairs of drill bits 6 of steel ball play the axial location effect.
When main shaft 5 rotated, the flat side 6-3 that the square groove 5-2 on the main shaft 5 can drive drillstock 6-1 right part rotated, and rotated thereby drive drill bit 6.
Claims (1)
1. medical drill bit syndeton comprises and stretches out the clamping device that bores handset shell (1) right-hand member and the drillstock (6-1) of drill bit (6) left part, and this drillstock and clamping device are connected, and it is characterized in that:
Described clamping device comprises main shaft (5), on the centrage of main shaft, be provided with a blind hole (5-1), main shaft radially be provided with 1 locating hole that communicates with blind hole middle part at least, be provided with a steel ball (4) in the locating hole, be provided with a square groove (5-2) in the right part of main shaft; Also comprise the lock tube (3) that is enclosed within main shaft (5) outside, middle part in lock tube is provided with a bulge loop, steel ball (4) in this bulge loop and each locating hole contacts, left part in lock tube is provided with an annular groove, be provided with a compression spring (2) that is enclosed within on the main shaft (5) in this annular groove, the interior bulge loop of right-hand member and the lock tube of compression spring (2) near, left end and be located on the main shaft (5) spring base near; Right part in lock tube (3) is provided with a ladder annular groove (3-1), and is gapped between the left part of this ladder annular groove and the main shaft (5);
The left part of the drillstock (6-1) of described drill bit (6) left part is a cylinder, blind hole (5-1) corresponding matching on this cylinder and main shaft (5) centrage; Be provided with positioning ring groove (6-2) at the middle part of drillstock (6-1), locating hole on this positioning ring groove (6-2) and the main shaft (5) and steel ball (4) corresponding matching in the locating hole; Right part at drillstock (6-1) is flat side (6-3), square groove (5-2) corresponding matching of this flat side (6-3) and main shaft (5) right part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202065039U CN201492470U (en) | 2009-09-28 | 2009-09-28 | Medical bit connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202065039U CN201492470U (en) | 2009-09-28 | 2009-09-28 | Medical bit connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201492470U true CN201492470U (en) | 2010-06-02 |
Family
ID=42435680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202065039U Expired - Lifetime CN201492470U (en) | 2009-09-28 | 2009-09-28 | Medical bit connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201492470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012041144A1 (en) * | 2010-09-30 | 2012-04-05 | 重庆润泽医疗器械有限公司 | Drill bit locking device and drill bit |
| WO2012041132A1 (en) * | 2010-09-30 | 2012-04-05 | 重庆润泽医疗器械有限公司 | Drill head locking apparatus and drill head |
-
2009
- 2009-09-28 CN CN2009202065039U patent/CN201492470U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012041144A1 (en) * | 2010-09-30 | 2012-04-05 | 重庆润泽医疗器械有限公司 | Drill bit locking device and drill bit |
| WO2012041132A1 (en) * | 2010-09-30 | 2012-04-05 | 重庆润泽医疗器械有限公司 | Drill head locking apparatus and drill head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XISHAN SCIENCE-TECHNOLOY CO., LTD., CHONGQING Free format text: FORMER OWNER: GUO YIJUN Effective date: 20110329 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 421121 4/F, DISTRICT 1, MUXING SCI-TECH DEVELPMENT CENTER, NEW + HIGH TECH. ZONE, NEW NORTH DISTRICT, CHONGQING CITY TO: 401121 4/F, DISTRICT 1, (NO. 9, MIDDLE SECTION, HHUANGSHAN AVENUE), MUXING SCI-TECH DEVELPMENT CENTER, NEW + HIGH TECH. ZONE, NEW NORTH DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110329 Address after: The 401121 northern New District of Chongqing Municipality Jupiter Technology Development Center (Mount Huangshan Road No. 9 in the middle of a 4 floor area) Patentee after: Chongqing Xishan Technology Co., Ltd. Address before: The 421121 northern New District of Chongqing Municipality Jupiter technology development center is a district 4 Building Patentee before: Guo Yijun |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The 401121 northern New District of Chongqing Municipality Jupiter Technology Development Center (Mount Huangshan Road No. 9 in the middle of a 4 floor area) Patentee after: CHONGQING XISHAN SCIENCE & TECHNOLOGY CO., LTD. Address before: The 401121 northern New District of Chongqing Municipality Jupiter Technology Development Center (Mount Huangshan Road No. 9 in the middle of a 4 floor area) Patentee before: Chongqing Xishan Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |
|
| CX01 | Expiry of patent term |