CN2173877Y - Double purpose screwdriver screw - Google Patents
Double purpose screwdriver screw Download PDFInfo
- Publication number
- CN2173877Y CN2173877Y CN 92221826 CN92221826U CN2173877Y CN 2173877 Y CN2173877 Y CN 2173877Y CN 92221826 CN92221826 CN 92221826 CN 92221826 U CN92221826 U CN 92221826U CN 2173877 Y CN2173877 Y CN 2173877Y
- Authority
- CN
- China
- Prior art keywords
- screw
- cross
- utility
- model
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a screw which can be assembled and disassembled with a '_'-shaped screwdriver as well as a cross-shaped screwdriver. The utility model is composed of a head part and a tail part. The utility model is characterized in that a '_'-shaped slot and a cross-shaped slot are simultaneously pressed on an existing screw head, wherein, the '_'-shaped slot is coincided with one horizontal character stroke or one upright character stroke of the cross-shaped slot. The utility model solves the technical problem that a screwdriver can not assemble and disassemble the other screw for a long time, and meanwhile, prolongs the service life of the screw, and can be spread and used widely in crowd.
Description
The utility model relates to a kind of fastening piece, a kind of more precisely dual-purpose screwdriver screw.
At present, known screw has plain screw and plus screw two classes.The former need revolve the tool mounting or dismounting with " in-line ", and the latter need be revolved tool with corresponding size " cross " and could be installed and removed.But often generation has only at one's side and a kind ofly revolves tool (" in-line " revolves tool or " cross " revolves tool) in now life, and will install and remove another kind of screw (plus screw or plain screw), causes situation about can't install and remove.
Using the purpose of this utility model is both to have used " in-line " to revolve the tool mounting or dismounting, can use " cross " to revolve the tool mounting or dismounting again.
The purpose of this utility model is to realize like this, it is the same with existing screw to be made of head and afterbody, head is suppressed with " straight groove " or " cross recess ", it is characterized in that: the head at screw is suppressed with " straight groove " and " cross recess " simultaneously, wherein one of " straight groove " and " cross recess " horizontal or perpendicular coinciding.
Because adopt the dual-purpose screwdriver screw of such scheme the utility model both available " in-line " to revolve the tool mounting or dismounting, available again " cross " revolves the tool mounting or dismounting.If when revolving the tool mounting or dismounting with " in-line ", screw " straight groove " is damaged, also available " cross " revolves the tool mounting or dismounting; On the contrary, if " cross " revolves tool when mounting or dismounting, " cross recess " takes place damage, also available " in-line " revolves the tool mounting or dismounting.So not only prolonged screw working life, and given people with great convenience.
The utility model is further specified therefrom more as can be seen advantages below in conjunction with drawings and Examples.
Fig. 1 is the dual-purpose cross-section schematic representation that revolves the screwdriver screw head of the utility model.
Fig. 2 looks schematic representation for the vertical profile of the dual-purpose screwdriver screw head of the utility model.
During referring to accompanying drawing, two identical positions of digitized representation that accompanying drawing is identical.(1) is screw head; (2) be " cross recess "; (3) be " straight groove ".
Use this dual-purpose screwdriver screw identical with the method for using general plain screw or plus screw.When revolving the tool mounting or dismounting with " in-line ", only needing that " in-line " revolved tool aligning " straight groove " can install and remove; When revolving the tool mounting or dismounting with " cross ", only needing that " cross " revolved tool aligning " cross recess " can install and remove.
Claims (1)
1, a kind of dual-purpose screwdriver screw, it is the same with existing screw to be made of head and afterbody, head is suppressed with " straight groove " or " cross recess ", it is characterized in that: be suppressed with " straight groove " and " cross recess " simultaneously at screw head, wherein one of " straight groove " and " cross recess " horizontal or perpendicular coinciding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92221826 CN2173877Y (en) | 1992-12-05 | 1992-12-05 | Double purpose screwdriver screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92221826 CN2173877Y (en) | 1992-12-05 | 1992-12-05 | Double purpose screwdriver screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2173877Y true CN2173877Y (en) | 1994-08-10 |
Family
ID=33768545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92221826 Expired - Fee Related CN2173877Y (en) | 1992-12-05 | 1992-12-05 | Double purpose screwdriver screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2173877Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458191C (en) * | 2004-02-11 | 2009-02-04 | 勒格朗法国公司 | Retaining screw with a multiple-recessed head for flat and cross-shaped operating tools |
| CN104196862A (en) * | 2014-09-04 | 2014-12-10 | 叶琦 | Screw |
-
1992
- 1992-12-05 CN CN 92221826 patent/CN2173877Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458191C (en) * | 2004-02-11 | 2009-02-04 | 勒格朗法国公司 | Retaining screw with a multiple-recessed head for flat and cross-shaped operating tools |
| CN104196862A (en) * | 2014-09-04 | 2014-12-10 | 叶琦 | Screw |
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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 |