CN2199848Y - Safety screwdriver - Google Patents
Safety screwdriver Download PDFInfo
- Publication number
- CN2199848Y CN2199848Y CN 94209116 CN94209116U CN2199848Y CN 2199848 Y CN2199848 Y CN 2199848Y CN 94209116 CN94209116 CN 94209116 CN 94209116 U CN94209116 U CN 94209116U CN 2199848 Y CN2199848 Y CN 2199848Y
- Authority
- CN
- China
- Prior art keywords
- screw
- utility
- model
- sleeve pipe
- screwdriver
- 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
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a screwdriver, which is also called as an opener or a screw driver. The utility model is characterized in that a sleeve tube is sheathed on one end of a conical rod; a spring is sheathed on the conical rod between the sleeve tube and a handle; a connecting pin is arranged on the conical rod on one end of the handle opposite to the spring; one end of the sleeve tube near the connecting pin is provided with a connecting clamping port of the sleeve tube. When the utility model is used for screwing a screw nail, the utility model has the advantages of safety, accuracy and no damage to fingers; when the screw nail is disassembled, the utility model can prevent the screw nail from falling into a device.
Description
The utility model relates to a kind of screwdriver (bottle opener, screwdriver).
Present screwdriver is to be formed by connecting by handle and awl bar.Screw on or during knockout screw with this screwdriver, need with hand steered firmly crewdriver attachment and screw contact site, this screwdriver exists following deficiency: 1. because the contact force direction is difficult to grasp, therefore, screwdriver or screw often tilt, thereby screw can not be screwed in the object by predetermined direction; 2. during screwing,, often cause screwdriver to dampen finger with hand steered screwdriver and the screw contact position lived; When 3. unloading screw with screwdriver, hand does not reach screw, thereby screw often falls in the device.
The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and provides a kind of to screw on during screw, and screwdriver and screw can be in a straight line, and screwdriver and screw do not tilt; During knockout screw, screw can not fallen in the device, and can not dampen the safety and precise screwdriver of finger.
In order to achieve the above object, the technical measures that the utility model is taked are: be with sleeve pipe at awl bar one end, be with spring on the awl bar between sleeve pipe and the handle; Be provided with connecting pin in that spring is opposing on the awl bar of handle one end, be provided with sleeve pipe at an end of the sleeve pipe that gets close to mutually with connecting pin and connect bayonet socket, connecting pin matches with the sleeve pipe bayonet socket.
The utility model compared with prior art has safety, accurately, can not damage the beneficial effect of finger.
Fig. 1 is an elevational cross-sectional view of the present utility model;
Fig. 2 is the sleeve pipe front section view.
Below in conjunction with accompanying drawing structure of the present utility model and using method are described in further detail:
As shown in Figure 1, 2, end at awl bar 4 is with sleeve pipe 5, be with spring 2 on the awl bar 1 between sleeve pipe 5 and the handle 1, be provided with connecting pin 3 on the awl bar 4 of opposing spring 2 one ends in handle 1, an end of the sleeve pipe 5 that gets close to mutually with connecting pin 3 is provided with sleeve pipe and connects bayonet socket 7.
During use, sleeve pipe 5 is entangled screw 6, screw rod 4 tips snap in the groove of screw 6, hand steered a sleeve pipe 5, and pinching handle 1 rotation on the other hand can screw in screw 6 in the objects exactly, can run-off the straight, can not damage finger yet; During knockout screw, screw can not fall in the device yet.
Time spent not connects bayonet socket 7 with the sleeve pipe of sleeve pipe 5 one ends and snaps in the connecting pin 3, withstands with spring 2, and is easy to carry and store.
Claims (1)
1, a kind of safe screwdriver, the awl bar (4) that comprises handle (1) and be attached thereto is characterized in that: the end at awl bar (4) is with sleeve pipe (5); On the awl bar (4) between sleeve pipe (5) and the handle (1), be with spring (2); Be provided with connecting pin (3) on the awl bar (4) of the opposing end in handle (1) of spring (2), an end of the sleeve pipe (5) that gets close to mutually with connecting pin (3) is provided with sleeve pipe and connects bayonet socket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94209116 CN2199848Y (en) | 1994-04-15 | 1994-04-15 | Safety screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94209116 CN2199848Y (en) | 1994-04-15 | 1994-04-15 | Safety screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2199848Y true CN2199848Y (en) | 1995-06-07 |
Family
ID=33826901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94209116 Expired - Fee Related CN2199848Y (en) | 1994-04-15 | 1994-04-15 | Safety screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2199848Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317478A (en) * | 2013-06-24 | 2013-09-25 | 成都凯天电子股份有限公司 | Self-screwing tool for slotted head screw |
| CN103393463A (en) * | 2013-07-16 | 2013-11-20 | 江苏双羊医疗器械有限公司 | Screwdriver |
-
1994
- 1994-04-15 CN CN 94209116 patent/CN2199848Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317478A (en) * | 2013-06-24 | 2013-09-25 | 成都凯天电子股份有限公司 | Self-screwing tool for slotted head screw |
| CN103393463A (en) * | 2013-07-16 | 2013-11-20 | 江苏双羊医疗器械有限公司 | Screwdriver |
| CN103393463B (en) * | 2013-07-16 | 2016-06-22 | 江苏双羊医疗器械有限公司 | Screwdriver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |