CN202668434U - Screwdriver - Google Patents
Screwdriver Download PDFInfo
- Publication number
- CN202668434U CN202668434U CN 201220272235 CN201220272235U CN202668434U CN 202668434 U CN202668434 U CN 202668434U CN 201220272235 CN201220272235 CN 201220272235 CN 201220272235 U CN201220272235 U CN 201220272235U CN 202668434 U CN202668434 U CN 202668434U
- Authority
- CN
- China
- Prior art keywords
- knife bar
- spring
- screwdriver
- handle
- fixed
- 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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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Knives (AREA)
Abstract
The utility model discloses a screwdriver which comprises a screwdriver bar, a spring and a handle. One end of the spring is fixed with the handle, the other end of the spring is fixed with one end of the screwdriver bar, and a thin wedged head is arranged at the other end of the screwdriver bar. The screwdriver is simple in structure and convenient to use and can be used in a tube having certain bendability, and the limitation that the existing screw driver cannot be used in a bent tube is overcome.
Description
Technical field
The utility model relates to a kind of screwdriver, relates in particular to a kind of screwdriver that can use in bend pipe.
Background technology
Screwdriver is a kind ofly to be used for twisting screw to force its instrument in place, generally includes knife bar and handle, and an end and the handle of knife bar are fixed, and thin sphenocephaly of other end design is used for inserting in the line of rabbet joint or recess of screw cap.Because knife bar and handle of a knife all are the hard material, can not curve, thereby be not suitable for using in bend pipe.
The utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides the screwdriver that can use in having the pipe of certain flexibility.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of screwdriver comprises knife bar, spring and handle, and an end and the handle of described spring are fixed, and an end of the other end of spring and knife bar is fixed, and the other end of knife bar is designed with thin sphenocephaly.
Since the design of spring structure, knife bar and spring just can deep enough bend pipe in, in the time of in thin sphenocephaly inserts the line of rabbet joint of screw cap or recess, turning handle, driving that spring and knife bar just rotate can the turn screw; In this process, can obviously find out, require the length of knife bar can not be long, otherwise can not enter smoothly bend pipe, require simultaneously spring to have certain hardness, can not be in the turn handle, spring is excessively outwarded winding along its spin line direction.
Preferably, the external diameter of described spring and knife bar equates.
As a kind of structure, this screwdriver can also comprise an auxiliary knife bar, and described spring and handle are separately fixed at the two ends of auxiliary knife bar; Preferably, the external diameter of described auxiliary knife bar, spring and knife bar equates.
Beneficial effect: the screwdriver that the utility model provides, simple in structure, easy to use, can in having the pipe of certain flexibility, use, solved the restriction that existing screwdriver can not use in bend pipe.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Be illustrated in figure 1 as a kind of screwdriver, comprise handle 1, auxiliary knife bar 2, spring 3 and knife bar 4, one end of described auxiliary knife bar 2 and handle 1 are fixing, the other end of auxiliary knife bar 2 and an end of spring 3 are fixed, one end of the other end of spring 3 and knife bar 4 is fixed, and the other end of knife bar 4 is designed with thin sphenocephaly; The external diameter of described auxiliary knife bar 2, spring 3 and knife bar 4 equates.
With novel preferred embodiment; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. screwdriver, it is characterized in that: comprise knife bar, spring and handle, an end and the handle of described spring are fixed, and an end of the other end of spring and knife bar is fixed, and the other end of knife bar is designed with thin sphenocephaly.
2. screwdriver according to claim 1 is characterized in that: the external diameter of described spring and knife bar equates.
3. screwdriver according to claim 1, it is characterized in that: this screwdriver also comprises an auxiliary knife bar, described spring and handle are separately fixed at the two ends of auxiliary knife bar.
4. screwdriver according to claim 3 is characterized in that: the external diameter of described auxiliary knife bar, spring and knife bar equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220272235 CN202668434U (en) | 2012-06-11 | 2012-06-11 | Screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220272235 CN202668434U (en) | 2012-06-11 | 2012-06-11 | Screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202668434U true CN202668434U (en) | 2013-01-16 |
Family
ID=47489367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220272235 Expired - Fee Related CN202668434U (en) | 2012-06-11 | 2012-06-11 | Screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202668434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689277A (en) * | 2012-06-11 | 2012-09-26 | 海安县威仕重型机械有限公司 | Screwdriver |
-
2012
- 2012-06-11 CN CN 201220272235 patent/CN202668434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689277A (en) * | 2012-06-11 | 2012-09-26 | 海安县威仕重型机械有限公司 | Screwdriver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20140611 |