CN201184348Y - Screw nail and precession machine thereof - Google Patents
Screw nail and precession machine thereof Download PDFInfo
- Publication number
- CN201184348Y CN201184348Y CNU2008200051215U CN200820005121U CN201184348Y CN 201184348 Y CN201184348 Y CN 201184348Y CN U2008200051215 U CNU2008200051215 U CN U2008200051215U CN 200820005121 U CN200820005121 U CN 200820005121U CN 201184348 Y CN201184348 Y CN 201184348Y
- Authority
- CN
- China
- Prior art keywords
- screw
- groove
- precession
- section
- cross
- 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 discloses a screw and a screw driving apparatus. The screw includes a screw cap, and a groove with a regular polygon cross section formed on the middle part of the upper end of the screw cap. The screw driving apparatus has a column body and a driving part at the front end of the column body, wherein the driving part is a column body fitting the regular polygon cross section of the groove of the screw cap of the screw. The groove with the regular polygon cross section formed at the upper end of the screw cap of the screw can form multi-surface contact with the driving apparatus to achieve firm contact and prevent slipped thread.
Description
Technical field
The utility model relates to a kind of screw.
Background technique
Existing screw has the groove of a word or cross in the upper end of nut, so that screw the usefulness of screw with the screw-driver insertion, but this screw is when screwing, screw-driver contacts built on the sand with screw, skids off easily, and make a word or the cross recess stripped thread that breaks easily firmly the time.Need the structure of nut is improved for this reason.
The model utility content
The purpose of this utility model contacts firmly with screw-driver for providing a kind of, and nut is difficult for stripped thread, and is difficult for by human key or the loosening screw of screwdriver heads bought easily on the market.
The technological scheme that realizes the foregoing invention purpose is as follows:
Screw comprises nut, and the upper center of described nut has the groove that cross section is a regular polygon.
The limit number of described groove cross section is the 3-6 bar.The cross section that is groove is positive triangle, square, regular pentagon or regular hexagon.
Another purpose of the present utility model is at above-mentioned screw, and a kind of screw precession device is provided.
Realize technological scheme as follows of above-mentioned purpose:
The screw precession device is cylinder, and the cylinder front end has a precession portion, and described precession portion is the cylinder of regular polygon for the cross section that the groove with the nut of screw adapts.
The precession portion of screw precession device, corresponding to the groove of screw nut, cross section is positive triangle, square, regular pentagon or regular hexagon cylinder.
The utility model adopts and offers cross section in the nut upper end of screw is the regular polygon groove, it is contacted with the precession device multiaspect, contact is firm, be difficult for stripped thread, and be difficult for by the human key or the screwdriver heads of having bought easily on the market looseningly, greatly reduce some outdoor locations easily by the risk of artificial destruction.
Description of drawings
Fig. 1 is the utility model screw embodiment's a stereogram
Fig. 2 is the front elevation of the utility model screw embodiment's nut
Fig. 3 is the utility model screw precession device embodiment's a stereogram
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, screw comprises nut 1, and the upper center of described nut has the groove 2 that cross section is a square.
As shown in Figure 3, the screw precession device is cylinder, and the cylinder front end has a precession portion 3, and described precession portion is the cylinder of square for the cross section that the groove with the nut of screw adapts.
During use, the precession portion of screw precession device being put into the groove of the nut of screw, is the multiaspect contact between the two, and rotary screw nail precession device drives the screw rotation, and both contact firmly in the operating process, and screw is difficult for stripped thread.
Certainly, the cross section of the groove of described nut also can be positive triangle, regular pentagon or regular hexagon.
The cross section of the precession portion of screw precession device also can be positive triangle, regular pentagon or regular hexagon accordingly.
Claims (5)
1. screw comprises nut, it is characterized by: the upper center of described nut has the groove that cross section is a regular polygon.
2. screw according to claim 1 is characterized by: the limit number of described groove cross section is the 3-6 bar.
3. screw according to claim 2 is characterized by: the cross section of described groove is a square.
4. the screw precession device is a cylinder, it is characterized by: the cylinder front end has a precession portion, and described precession portion is the cylinder of regular polygon for the cross section that the groove with the nut of the described screw of claim 1-3 adapts.
5. screw precession device according to claim 4, the cross section that it is characterized by described precession portion is a square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200051215U CN201184348Y (en) | 2008-03-07 | 2008-03-07 | Screw nail and precession machine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200051215U CN201184348Y (en) | 2008-03-07 | 2008-03-07 | Screw nail and precession machine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184348Y true CN201184348Y (en) | 2009-01-21 |
Family
ID=40272087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200051215U Expired - Fee Related CN201184348Y (en) | 2008-03-07 | 2008-03-07 | Screw nail and precession machine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184348Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107407312A (en) * | 2014-12-24 | 2017-11-28 | 富士富株式会社 | Drive screw can be driven |
| CN110159629A (en) * | 2019-05-22 | 2019-08-23 | 广东雅科波罗橱柜有限公司 | A kind of improved screw |
-
2008
- 2008-03-07 CN CNU2008200051215U patent/CN201184348Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107407312A (en) * | 2014-12-24 | 2017-11-28 | 富士富株式会社 | Drive screw can be driven |
| CN110159629A (en) * | 2019-05-22 | 2019-08-23 | 广东雅科波罗橱柜有限公司 | A kind of improved screw |
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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: 20090121 Termination date: 20110307 |