CN201357388Y - Labor-saving screw driver - Google Patents
Labor-saving screw driver Download PDFInfo
- Publication number
- CN201357388Y CN201357388Y CNU2009200061813U CN200920006181U CN201357388Y CN 201357388 Y CN201357388 Y CN 201357388Y CN U2009200061813 U CNU2009200061813 U CN U2009200061813U CN 200920006181 U CN200920006181 U CN 200920006181U CN 201357388 Y CN201357388 Y CN 201357388Y
- Authority
- CN
- China
- Prior art keywords
- screw
- screwdriver
- screw driver
- circular hole
- metal 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
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000007799 cork Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a labor-saving screw driver, which consists of a screw driver handle and a screw driver rod. A circular hole is arranged on the screw driver handle, a metal rod is inserted in the circular hole, and the size of the diameter of the circular hole matches with that of the metal rod. When utilizing the labor-saving screw driver to screw a screw nail, a child can downwardly press the screw driver with one hand and forcefully pull the metal rod to move circumferentially with another hand, thereby being capable of easily screwing out the screw nail when moving anticlockwise and easily screwing in the screw nail when moving clockwise.
Description
Technical field
The utility model relates to a kind of screwdriver, relates in particular to a kind of laborsaving screwdriver.
Background technology
Screwdriver of the prior art is made up of wooden handle and screwdriver rod, and this result's screwdriver is when opening screw, and is very hard with the screwdriver the turn of the screw because the little strength of child people is little, used the very still stubborn motionless screw of great strength sometimes.
Summary of the invention
The utility model uses the existing very hard deficiency of screwdriver the turn of the screw at child, and a kind of laborsaving screwdriver is provided.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of laborsaving screwdriver, form by screwdriver handle and screwdriver rod, have a circular hole on the described screwdriver handle, be inserted with a metal rod in this circular hole, the diameter of the diameter of described circular hole and metal rod is suitable.
The beneficial effects of the utility model are: child is when using laborsaving screwdriver the turn of the screw of the present utility model to follow closely, on the other hand downwards by tight screwdriver, firmly pulling the metal rod makes circular motion on the other hand, commentaries on classics can be unscrewed screw like a cork counterclockwise, and commentaries on classics can be tightened screw like a cork clockwise.
Description of drawings
Fig. 1 is the structural representation of the laborsaving screwdriver of the utility model.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, screwdriver handle, 2, screwdriver rod, 3, circular hole, 4, the metal rod.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Fig. 1 is the structural representation of the laborsaving screwdriver of the utility model.As shown in Figure 1, described laborsaving screwdriver, form by screwdriver handle 1 and screwdriver rod 2, has a circular hole 3 on the described screwdriver handle 1, be inserted with a metal rod 4 in this circular hole 3, the diameter of the diameter of described circular hole 3 and metal rod 4 is suitable, and the diameter of promptly described circular hole 3 is greater than or equal to the diameter of metal rod 4.Child is when using laborsaving screwdriver the turn of the screw of the present utility model to follow closely, and downwards by tight screwdriver, firmly pulling the metal rod makes circular motion on the other hand on the other hand, and counterclockwise commentaries on classics can be unscrewed screw like a cork, and commentaries on classics can be tightened screw like a cork clockwise.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (1)
1. laborsaving screwdriver, form by screwdriver handle (1) and screwdriver rod (2), it is characterized in that, have a circular hole (3) on the described screwdriver handle (1), be inserted with a metal rod (4) in this circular hole (3), the diameter of the diameter of described circular hole (3) and metal rod (4) is suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200061813U CN201357388Y (en) | 2009-03-10 | 2009-03-10 | Labor-saving screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200061813U CN201357388Y (en) | 2009-03-10 | 2009-03-10 | Labor-saving screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201357388Y true CN201357388Y (en) | 2009-12-09 |
Family
ID=41423149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200061813U Expired - Fee Related CN201357388Y (en) | 2009-03-10 | 2009-03-10 | Labor-saving screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201357388Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581802A (en) * | 2012-03-22 | 2012-07-18 | 河南省电力公司漯河供电公司 | Screwdriver combined tool |
-
2009
- 2009-03-10 CN CNU2009200061813U patent/CN201357388Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581802A (en) * | 2012-03-22 | 2012-07-18 | 河南省电力公司漯河供电公司 | Screwdriver combined tool |
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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: 20091209 Termination date: 20100310 |