CN204295575U - Lag screw spanner - Google Patents
Lag screw spanner Download PDFInfo
- Publication number
- CN204295575U CN204295575U CN201420423196.0U CN201420423196U CN204295575U CN 204295575 U CN204295575 U CN 204295575U CN 201420423196 U CN201420423196 U CN 201420423196U CN 204295575 U CN204295575 U CN 204295575U
- Authority
- CN
- China
- Prior art keywords
- screwdriver rod
- handle
- lag screw
- cap
- rod
- 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
Links
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a kind of lag screw spanner, has handle and screwdriver rod; Described handle has axially extending bore; Connecting handle on the left of described screwdriver rod; Also there is front cap; The right-hand member of described screwdriver rod is stepped, and end has hexagonal termination; Described termination and the screwdriver rod body of rod are by the arc transition of indent; Described front cap is tightened on the right-hand member of screwdriver rod, and flushes with the periphery of the screwdriver rod of left end.The utility model has the features such as structure is simple, easy to operate, cap before increasing; Front cap is tightened on the right-hand member of screwdriver rod, and flushes with the periphery of the screwdriver rod of left end, and front cap is bullet shaped, spanner front end is had streamlined, comparatively attractive in appearance.
Description
Technical field
The utility model relates to technical field of medical instruments, particularly a kind of lag screw spanner.
Background technology
At present, carry out in the intramedullary nail internal fixation operation of fracturing both at home and abroad, when installing pinning boring sighting system and fixed drill bit depth stop time, all need to use die nut to twist solid screw.But be normally usedly a tommy bar, end is hexagonal spanner, this kind of spanner is not easy to grip and uses, and comparatively requires great effort when using, and needs to use together by sleeve etc.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art existence, provides the lag screw spanner that a kind of structure is simple, easy to operate.
The technical scheme realizing the utility model object is: a kind of lag screw spanner, has handle and screwdriver rod; Connecting handle on the left of described screwdriver rod; Also there is front cap; The right-hand member of described screwdriver rod is stepped, and end has hexagonal termination; Described termination and the screwdriver rod body of rod are by the arc transition of indent; Described front cap is tightened on the right-hand member of screwdriver rod, and flushes with the periphery of the screwdriver rod of left end.
Technique scheme also has gear cap; Described gear cap is threaded on screwdriver rod.
Sealing cap is rotary with by screw thread in the other end of the through hole of handle described in technique scheme.
The axis of the periphery of handle described in technique scheme is streamlined.
Handle described in technique scheme has axially extending bore; Described screwdriver rod screws in the through hole of handle, and is coated with happy safe 272 glue-lines between the through hole internal thread of the screw thread of screwdriver rod and handle.
Happy safe 272 glue-lines are coated with between the thread surface of sealing cap described in technique scheme and the through hole internal thread of handle.
Happy safe 272 glue-lines are coated with between the internal thread of front cap described in technique scheme and the screw thread of screwdriver rod.
Described in technique scheme, the left end of screwdriver rod has sleeve, and screwdriver rod is by core bar connecting handle; Described sleeve is connected by pin with between core bar, and is fixed by laser weld between sleeve and core bar.
The other end of core bar described in technique scheme is fixedly connected with the tail cap on handle by welding, in "T"-shaped setting between core bar and handle.
Screwdriver rod described in technique scheme and core bar are hollow structure.
After adopting technique scheme, the utility model has following positive effect:
(1) the utility model has the features such as structure is simple, easy to operate, cap before increasing; Front cap is tightened on the right-hand member of screwdriver rod, and flushes with the periphery of the screwdriver rod of left end, and front cap is bullet shaped, spanner front end is had streamlined, comparatively attractive in appearance.
(2) the utility model also has gear cap; Gear cap is threaded on screwdriver rod; Can position-limiting action be played, prevent from continuing to be screwed in handle in screwdriver rod use procedure.
(3) axis of the periphery of handle of the present utility model is streamlined, is operator when operating, grips more comfortable.
(4) screwdriver rod of the present utility model and core bar are hollow structure, alleviate the weight of spanner.
(5) left end of the utility model screwdriver rod has sleeve, and screwdriver rod is by core bar connecting handle; Described sleeve is connected by pin with between core bar, and is fixed by laser weld between sleeve and core bar, and this kind of design is comparatively suitable for using when lag screw takes out.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of embodiment 1 of the present utility model;
Fig. 2 is the structural representation of embodiment 2 of the present utility model;
Attached number in the figure is: handle 1, through hole 11, screwdriver rod 2, termination 21, sleeve 22, front cap 3, gear cap 4, sealing cap 5, core bar 6, pin 7, tail cap 8.
Detailed description of the invention
(embodiment 1)
See Fig. 1, the utility model has handle 1 and screwdriver rod 2; Connecting handle 1 on the left of screwdriver rod 2; Also there is front cap 3; The right-hand member of screwdriver rod 2 is stepped, and end has hexagonal termination 21; Termination 21 and the arc transition of screwdriver rod 2 body of rod by indent; Front cap 3 is tightened on the right-hand member of screwdriver rod 2, and flushes with the periphery of the screwdriver rod 2 of left end.Also there is gear cap 4; Gear cap 4 is threaded on screwdriver rod 2.
Handle 1 has axially extending bore 11; Sealing cap 5 is rotary with by screw thread in the other end of the through hole 11 of handle 1.The axis of the periphery of handle 1 is streamlined.Screwdriver rod 2 screws in the through hole 11 of handle 1, and is coated with happy safe 272 glue-lines between through hole 11 internal thread of the screw thread of screwdriver rod 2 and handle 1.
Happy safe 272 glue-lines are coated with between the thread surface of sealing cap 5 and through hole 11 internal thread of handle 1.Happy safe 272 glue-lines are coated with between the internal thread of front cap 3 and the screw thread of screwdriver rod 2.
(embodiment 2)
See Fig. 2, the utility model has handle 1 and screwdriver rod 2; Handle 1 has axially extending bore 11; Connecting handle 1 on the left of screwdriver rod 2; Also there is front cap 3; The right-hand member of screwdriver rod 2 is stepped, and end has hexagonal termination 21; Termination 21 and the arc transition of screwdriver rod 2 body of rod by indent; Front cap 3 is tightened on the right-hand member of screwdriver rod 2, and flushes with the periphery of the screwdriver rod 2 of left end.
The left end of screwdriver rod 2 has sleeve 22, and screwdriver rod 2 is by core bar 6 connecting handle 1; Be connected by pin 7 between sleeve 22 with core bar 6, and fixed by laser weld between sleeve 22 and core bar 6.The other end of core bar 6 is fixedly connected with the tail cap 8 on handle 1 by welding, in "T"-shaped setting between core bar 6 and handle 1.Screwdriver rod 2 and core bar 6 are hollow structure.
Happy safe 272 glue-lines are coated with between the internal thread of front cap 3 and the screw thread of screwdriver rod 2.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a lag screw spanner, has handle (1) and screwdriver rod (2); Described screwdriver rod (2) left side connecting handle (1); It is characterized in that: also there is front cap (3); The right-hand member of described screwdriver rod (2) is stepped, and end has hexagonal termination (21); Described termination (21) and the arc transition of screwdriver rod (2) body of rod by indent; Described front cap (3) is tightened on the right-hand member of screwdriver rod (2), and flushes with the periphery of the screwdriver rod (2) of left end.
2. lag screw spanner according to claim 1, is characterized in that: also have gear cap (4); Described gear cap (4) is threaded on screwdriver rod (2).
3. lag screw spanner according to claim 2, is characterized in that: be rotary with sealing cap (5) by screw thread in the other end of the through hole (11) of described handle (1).
4. lag screw spanner according to claim 3, is characterized in that: the axis of the periphery of described handle (1) is streamlined.
5. lag screw spanner according to claim 4, is characterized in that: described handle (1) has axially extending bore (11); Described screwdriver rod (2) screws in the through hole (11) of handle (1), and is coated with happy safe 272 glue-lines between through hole (11) internal thread of the screw thread of screwdriver rod (2) and handle (1).
6. lag screw spanner according to claim 5, is characterized in that: be coated with happy safe 272 glue-lines between the thread surface of described sealing cap (5) and through hole (11) internal thread of handle (1).
7. lag screw spanner according to claim 1, is characterized in that: the left end of described screwdriver rod (2) has sleeve (22), and screwdriver rod (2) is by core bar (6) connecting handle (1); Be connected by pin (7) between described sleeve (22) with core bar (6), and fixed by laser weld between sleeve (22) and core bar (6).
8. lag screw spanner according to claim 7, it is characterized in that: the other end of described core bar (6) is fixedly connected with the tail cap (8) on handle (1) by welding, in "T"-shaped setting between core bar (6) and handle (1).
9. lag screw spanner according to claim 8, is characterized in that: described screwdriver rod (2) and core bar (6) are hollow structure.
10. the lag screw spanner according to claim 6 or 9, is characterized in that: be coated with happy safe 272 glue-lines between the internal thread of described front cap (3) and the screw thread of screwdriver rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423196.0U CN204295575U (en) | 2014-07-29 | 2014-07-29 | Lag screw spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423196.0U CN204295575U (en) | 2014-07-29 | 2014-07-29 | Lag screw spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204295575U true CN204295575U (en) | 2015-04-29 |
Family
ID=53101153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420423196.0U Expired - Fee Related CN204295575U (en) | 2014-07-29 | 2014-07-29 | Lag screw spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204295575U (en) |
-
2014
- 2014-07-29 CN CN201420423196.0U patent/CN204295575U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201922387U (en) | Safety screwdriver | |
| CN204295575U (en) | Lag screw spanner | |
| CN203245822U (en) | Tapered taking device for broken ends of screws | |
| CN203197845U (en) | Reinforced type bolt extractor | |
| CN103522254A (en) | Tightening tool for inner sleeve and outer sleeve | |
| CN105240365A (en) | Multi-functional expansion bolt | |
| EP1908965A3 (en) | Oneway screw combination | |
| CN202378010U (en) | Hammer | |
| CN202849881U (en) | Eccentric sleeve compressor | |
| CN203696860U (en) | Detachable torque spanner | |
| CN205817758U (en) | A kind of portable bicycle maintenance wrench | |
| CN205074982U (en) | Special screwdriver head of deep hole | |
| CN203779463U (en) | Tail hammer of multifunctional hammer | |
| CN203863580U (en) | Combined included angle spanner | |
| CN203956876U (en) | A kind of Multifunctional hand-hammer | |
| CN204235442U (en) | A kind of spanner of handle adjustable-angle | |
| CN201895294U (en) | Automatic screwdriver | |
| CN206493276U (en) | A kind of Multi-function hardware tool | |
| CN205342938U (en) | Multifunctional screw driver | |
| CN206519911U (en) | A kind of multifunctional wrench | |
| CN207807562U (en) | A kind of telescopic spanner | |
| CN203280471U (en) | Novel medullary cavity expander | |
| CN205551558U (en) | Straight shank fluted drill | |
| CN203875811U (en) | Internal hexagonal wrench set | |
| CN105150152A (en) | Telescopic screwdriver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20150729 |
|
| EXPY | Termination of patent right or utility model |