CN201701294U - Tension screw punch - Google Patents
Tension screw punch Download PDFInfo
- Publication number
- CN201701294U CN201701294U CN2010201682058U CN201020168205U CN201701294U CN 201701294 U CN201701294 U CN 201701294U CN 2010201682058 U CN2010201682058 U CN 2010201682058U CN 201020168205 U CN201020168205 U CN 201020168205U CN 201701294 U CN201701294 U CN 201701294U
- Authority
- CN
- China
- Prior art keywords
- main body
- handle
- locking
- lag screw
- thread
- 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 - Fee Related
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Abstract
The utility model discloses a tension screw punch, which comprises a main body and a handle connected with each other. The main body comprises a long pole, a tool bit, a threaded section and a positioning boss. The tool bit is arranged in the foremost end of the main body, of which the section shape is matched with the hole at the rear end of the tension screw. The rear end of the tool bit is connected with the threaded section. The threaded section is meshed with thread in the hole at the rear end of the tension screw. The positioning boss is arranged at the tail end of the main body, of which the shape and the size are matched with the shape and the size of a positioning groove at the front end of the handle. As the section shape of the tool bit of the main body of the tension screw punch is matched with the hole at the rear end of the tension screw, the tension screw is clamped well. The threaded section is meshed with thread in the hole at the rear end of the tension screw, therefore only the handle is rotated to drive the tension screw, so as to loosen or tighten the tension screw very conveniently.
Description
Technical field
This utility model relates to a kind of specific purpose tool of squeezing into the lag screw in the intramedullary pin device, relates in particular to the lag screw driver.
Background technology
In the surgical operation of treatment fracture, can use intramedullary pin usually and fix fracture site, intramedullary pin needs lag screw to be fixed on the human skeleton.A kind of novel lag screw is arranged, comprise screw body, screw overcoat, screw snap close and screw lock tube, the screw overcoat is enclosed within the rear end of screw body, the screw snap close is connected with the rear end of screw body, the screw lock tube is fixedlyed connected with the afterbody of screw overcoat, and be threaded with the screw snap close, the adjustable length of this lag screw can adapt to the fixing of different parts or different the wounded's skeletons.This lag screw initial state is a locking state, wants loosening lag screw, need apply external force, it obviously is unfavorable going to twist with hands in the operation, therefore need a kind of instrument of special use, can grasp lag screw securely, can conveniently handle the degree of tightness of lag screw again.
The utility model content
The purpose of this utility model provides a kind of lag screw driver, can handle the degree of tightness of lag screw easily grasping lag screw securely simultaneously.
The technical scheme that realizes this utility model purpose is: a kind of lag screw driver comprises interconnective main body and hands handle; Described main body comprises stock, cutter head, thread segment and positioning boss; Described cutter head is positioned at main body foremost, and its cross sectional shape matches with the hole of lag screw rear end; The rear end connecting thread section of cutter head, thread segment is meshed with the hole female thread of lag screw rear end; Described positioning boss is positioned at the tail end of main body, and shape and size match with the locating slot of handle front end.
The lag screw driver also comprises sealing cap; Be connected with the sealing cap platform between the tail end of the thread segment of described main body and the front end of stock; Described sealing cap comprises interconnective front-end and back-end and the through hole that connects front and back, and front inner wall is provided with the screw thread that is meshed with the thread segment of main body, and the length of rear end matches with the sealing cap platform length of main body.
The thread segment of described main body and the screw thread of sealing cap are left-hand thread.
Also be provided with the clamping plane on the outer wall of described sealing cap front-end and back-end.
The lag screw driver also comprises locking handle; The locking delthyrium that connects before and after described handle is provided with; The positioning boss inwall of described main body is provided with screw thread; Described locking handle front end is provided with locking screw, and locking handle passes from the locking delthyrium, the threaded engagement of locking screw and positioning boss, thereby with main body and handle locking.
The tail end of described locking handle also is provided with the stop bit platform; The sectional area of described stop bit platform is greater than the area of the locking delthyrium of handle.
The cross section of described cutter head is a regular hexagon.
The positioning boss cross section of described main body is a cydariform; The locating slot of described handle also is a cydariform.
Uniform distribution is fluted on the described handle.
Also be provided with the limiting stand of area between the stock of described main body and the positioning boss greater than positioning boss.
The utlity model has following positive effect: the cutter head cross sectional shape of the main body of (1) lag screw driver of the present utility model matches with the hole of lag screw rear end, thereby can block lag screw well; And thread segment is meshed with the hole female thread of lag screw rear end, so only needs a rotary handle just can drive lag screw, lag screw is fluffed or tightens, and is very convenient.
(2) this utility model sealing cap is provided with the length that can regulate thread segment, when lag screw is in tight condition, sealing cap need be enclosed within the driver body front end, and when lag screw is in releasing orientation, then need sealing cap is taken off, make the thread segment that contacts with lag screw longer.
(3) screw thread of the thread segment of this utility model main body and sealing cap is left-hand thread, this structure is that the screw thread of the tapped through hole of the external screw thread of attachment screw snap close and screw lock tube also is the pulling force screw screw of left-hand thread, after this structure makes that the lag screw driver inserts in the hole of screw snap close rear end, only need turn clockwise, just can be with screw snap close and the locking of screw lock tube, being rotated counterclockwise both will separate, and so just meets the custom of tightening thing in people's daily life clockwise.
(4) the planar design of the clamping of this utility model sealing cap is convenient with hands or other instrument rotation sealing cap.
(5) designer of this utility model locking handle is in order to link together handle and main body securely, and the stop bit platform of the limiting stand of main body and locking handle then can make the assembling between handle, main body, the locking handle three convenient.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, this utility model is described in further detail, wherein below
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of main body.
Fig. 3 is the A-A enlarged diagram of Fig. 2.
Fig. 4 looks enlarged diagram for the right side of Fig. 2.
Fig. 5 is the structural representation of handle.
Fig. 6 is the B-B enlarged diagram of Fig. 5.
Fig. 7 looks enlarged diagram for the left side of Fig. 5.
Fig. 8 is the structural representation of locking handle.
Fig. 9 looks enlarged diagram for the right side of Fig. 8.
Figure 10 is the structural representation of sealing cap.
Figure 11 looks enlarged diagram for the right side of Figure 10.
Label is in the accompanying drawing
Main body 1, stock 11, cutter head 12, thread segment 13, location convex 14, screw thread 14-1, sealing cap platform 15, limiting stand 16, handle 2, locating slot 21, locking delthyrium 22, groove 23, sealing cap 3, front end 31, female thread 31-1, rear end 32, through hole 33, clamping plane 34, locking handle 4, locking screw 41, stop bit platform 42.
The specific embodiment
(embodiment 1)
See Fig. 1 to Figure 11, the lag screw driver of present embodiment comprises main body 1, handle 2, sealing cap 3 and locking handle 4.
Main body 1 comprises stock 11, cutter head 12, thread segment 13, positioning boss 14, sealing cap platform 15 and limiting stand 16.Cutter head 12 is positioned at main body 1 foremost, the regular hexagon that its cross sectional shape matches with the hole of lag screw rear end.The rear end connecting thread section 13 of cutter head 12, thread segment 13 is meshed with the hole female thread of lag screw rear end.Positioning boss 14 is positioned at the tail end of main body 1, shape and the cydariform of size for matching with the locating slot 21 of handle 2 front ends.Be connected with sealing cap platform 15 between the tail end of the thread segment 13 of main body 1 and the front end of stock 11; The thread segment 13 of main body 1 and the screw thread 41-1 of sealing cap 3 are left-hand thread.Positioning boss 14 inwalls of main body 1 are provided with screw thread 14-1.Also be provided with the limiting stand 16 of area between the stock 11 of main body 1 and the positioning boss 14 greater than positioning boss 14.
Handle 2 front ends are provided with the locating slot 21 of cydariform, the locking delthyrium 22 that connects before and after also being provided with.Uniform distribution is fluted 23 on the handle 2, can be anti-skidding.
Sealing cap 3 comprises the through hole 33 before and after interconnective front end 31 and rear end 32 and the perforation, and front end 31 inwalls are provided with the female thread 31-1 that is meshed with the thread segment 13 of main body 1, and the length of rear end 32 matches with sealing cap platform 15 length of main body 1.Also be provided with clamping plane 34 on the outer wall of sealing cap 3 front ends 31 and rear end 32.
Locking handle 4 front ends are provided with locking screw 41, and locking handle 4 passes from locking delthyrium 22, and locking screw 41 is meshed with the screw thread 14-1 of positioning boss 14, thereby with main body 1 and handle 2 lockings.The tail end of locking handle 4 also is provided with stop bit platform 42; The sectional area of described stop bit platform 42 is greater than the area of the locking delthyrium 22 of handle 2.
Should be appreciated that specific embodiment described above only is used to explain this utility model, and be not used in qualification this utility model.Conspicuous variation of being extended out by spirit of the present utility model or change still are among the protection domain of the present utility model.
Claims (10)
1. a lag screw driver comprises interconnective main body (1) and handle (2); It is characterized in that: described main body (1) comprises stock (11), cutter head (12), thread segment (13) and positioning boss (14); Described cutter head (12) is positioned at main body (1) foremost, and its cross sectional shape matches with the hole of lag screw rear end; The rear end connecting thread section (13) of cutter head (12), thread segment (13) is meshed with the hole female thread of lag screw rear end; Described positioning boss (14) is positioned at the tail end of main body (1), and shape and size match with the locating slot (21) of handle (2) front end.
2. lag screw driver according to claim 1 is characterized in that: also comprise sealing cap (3); Be connected with sealing cap platform (15) between the tail end of the thread segment (13) of described main body (1) and the front end of stock (11); Described sealing cap (3) comprises the through hole (33) before and after interconnective front end (31) and rear end (32) and the perforation, front end (31) inwall is provided with the female thread (31-1) that is meshed with the thread segment (13) of main body (1), and the length of rear end (32) matches with sealing cap platform (15) length of main body (1).
3. lag screw driver according to claim 2 is characterized in that: the thread segment (13) of described main body (1) and the screw thread (41-1) of sealing cap (3) are left-hand thread.
4. lag screw driver according to claim 3 is characterized in that: also be provided with clamping plane (34) on the outer wall of described sealing cap (3) front end (31) and rear end (32).
5. lag screw driver according to claim 4 is characterized in that: also comprise locking handle (4); The locking delthyrium (22) that connects before and after described handle (2) is provided with; Positioning boss (14) inwall of described main body (1) is provided with screw thread (14-1); Described locking handle (4) front end is provided with locking screw (41), and locking handle (4) passes from locking delthyrium (22), and locking screw (41) is meshed with the screw thread (14-1) of positioning boss (14), thereby with main body (1) and handle (2) locking.
6. lag screw driver according to claim 5 is characterized in that: the tail end of described locking handle (4) also is provided with stop bit platform (42); The sectional area of described stop bit platform (42) is greater than the area of the locking delthyrium (22) of handle (2).
7. lag screw driver according to claim 6 is characterized in that: the cross section of described cutter head (12) is a regular hexagon.
8. lag screw driver according to claim 7 is characterized in that: positioning boss (14) cross section of described main body (1) is a cydariform; The locating slot (21) of described handle (2) also is a cydariform.
9. lag screw driver according to claim 8 is characterized in that: described handle (2) is gone up uniform distribution fluted (23).
10. lag screw driver according to claim 9 is characterized in that: also be provided with the limiting stand (16) of area greater than positioning boss (14) between the stock (11) of described main body (1) and the positioning boss (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201682058U CN201701294U (en) | 2010-04-23 | 2010-04-23 | Tension screw punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201682058U CN201701294U (en) | 2010-04-23 | 2010-04-23 | Tension screw punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201701294U true CN201701294U (en) | 2011-01-12 |
Family
ID=43438438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201682058U Expired - Fee Related CN201701294U (en) | 2010-04-23 | 2010-04-23 | Tension screw punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201701294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103271763A (en) * | 2013-05-22 | 2013-09-04 | 苏州爱得科技发展有限公司 | Combined replacing type Stryker nail installing device |
| CN104825224A (en) * | 2015-05-19 | 2015-08-12 | 山东威高骨科材料股份有限公司 | High-strength self-supporting type locking screw driver |
-
2010
- 2010-04-23 CN CN2010201682058U patent/CN201701294U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103271763A (en) * | 2013-05-22 | 2013-09-04 | 苏州爱得科技发展有限公司 | Combined replacing type Stryker nail installing device |
| CN103271763B (en) * | 2013-05-22 | 2014-12-24 | 苏州爱得科技发展有限公司 | Combined replacing type Stryker nail installing device |
| CN104825224A (en) * | 2015-05-19 | 2015-08-12 | 山东威高骨科材料股份有限公司 | High-strength self-supporting type locking screw driver |
| CN104825224B (en) * | 2015-05-19 | 2017-10-31 | 山东威高骨科材料股份有限公司 | A kind of high intensity self-sustaining locks bottle opener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TRAUSON MEDICAL INSTRUMENT (CHINA) CO., LTD. Free format text: FORMER NAME: TRAUSON MEDICAL INSTRUMENT (JIANGSU) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 213163 Renmin West Road, Niu Tong Town, Wujin District, Jiangsu, Changzhou Patentee after: Trauson Medical Instrument (China) Company Limited Address before: 213163 Renmin West Road, Niu Tong Town, Wujin District, Jiangsu, Changzhou Patentee before: Trauson Medical Instrument (Jiangsu) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20190423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |