CN203322002U - Thumb screw - Google Patents
Thumb screw Download PDFInfo
- Publication number
- CN203322002U CN203322002U CN201320233238XU CN201320233238U CN203322002U CN 203322002 U CN203322002 U CN 203322002U CN 201320233238X U CN201320233238X U CN 201320233238XU CN 201320233238 U CN201320233238 U CN 201320233238U CN 203322002 U CN203322002 U CN 203322002U
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- CN
- China
- Prior art keywords
- screw
- nut
- threaded stem
- type groove
- 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
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Abstract
The utility model relates to a thumb screw which is in an integral structure, and comprises a screw cap and a screw rod from the top down respectively, wherein the whole screw cap is in a cylindrical structure; a chamfer is arranged on the edge of the upper end of the screw cap; a linear groove is formed in the upper surface of the screw cap; evenly distributed bulges are arranged on the side surface of the screw cap; the screw rod comprises a smooth rod and a threaded rod from the top down; the diameter of the threaded rod is 2-4mm greater than that of the smooth rod; and a conical structure is arranged at the lower end of the threaded rod. The thumb screw is simpler in structure, convenient, practical, safer to use and low in cost, and is suitable for large scale popularization.
Description
Technical field
The utility model relates to a kind of hand tighten screw.
Background technique
The fastening accessory kind that is common to every field is more, and it mostly is comprised of nut, axostylus axostyle, screw rod body etc., and the build of this class formation part is less, but effect is very large.Along with developing rapidly of industry, the market demand of fastening class accessory is also increasing, and high-quality fastening piece will become the main flow direction of market development, has the stronger market competitiveness.Study the problem that hand tighten screw a kind of simple in structure, convenient and practical is current research.
The model utility content
The purpose of this utility model is to provide hand tighten screw a kind of simple in structure, convenient and practical.
The utility model solves the technological scheme that its technical problem adopts: a kind of hand tighten screw is characterized in that: this hand tighten screw is integral structure, and screw from top to bottom is respectively nut and screw rod; Described nut integral body is cylindrical structural, and upper end-face edge has chamfering, and the upper surface of nut has " one " type groove, and the side of nut has equally distributed projection; Described screw rod is from top to bottom smooth shaft and threaded stem, and the diameter of threaded stem is than the long 2-4mm of the diameter of smooth shaft, and the lower end of threaded stem is cone structure.
The width of described " one " type groove is 2-4mm, and the degree of depth of " one " type groove is 3-4mm, and the lateral thickness of nut is 4-8mm; The length ratio of described smooth shaft and threaded stem is (1-1.3): 1, and the lower end of threaded stem is the cone structure with smooth surface.
Beneficial effect: hand tighten screw structure of the present utility model is comparatively simple, convenient and practical, uses saferly, with low cost, is suitable for large-scale promotion.
The accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
In figure, 1. nut; " 11. one " type groove; 21. smooth shaft; 22. threaded stem.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated;
Be a kind of hand tighten screw as illustrated in fig. 1 and 2, this hand tighten screw is integral structure, and surface has oxidation resistant coating, and screw from top to bottom is respectively nut 1 and screw rod; Described nut 1 integral body is cylindrical structural, and upper end-face edge has chamfering, and the upper surface of nut 1 has " one " type groove 11, and " one " type groove 11 upper surfaces have chamfering, and the side of nut 1 has equally distributed projection; Described screw rod is from top to bottom smooth shaft 21 and threaded stem 22, and the diameter of threaded stem 22 is than the long 2mm of the diameter of smooth shaft 21, and the lower end of threaded stem 22 is cone structure.
The width of described " one " type groove 11 is 4mm, and the degree of depth of " one " type groove 11 is 4mm, and the lateral thickness of nut 1 is 8mm; The length ratio of smooth shaft 21 and threaded stem 22 is 1.3:1, and the lower end of threaded stem 22 is the cone structure with smooth surface.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, the relevant staff can, in the scope that does not depart from this model utility technological thought, carry out various change and modification fully.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to the claim scope.
Claims (3)
1. a hand tighten screw, it is characterized in that: this hand tighten screw is integral structure, screw from top to bottom is respectively nut and screw rod; Described nut integral body is cylindrical structural, and upper end-face edge has chamfering, and the upper surface of nut has " one " type groove, and the side of nut has equally distributed projection; Described screw rod is from top to bottom smooth shaft and threaded stem, and the diameter of threaded stem is than the long 2-4mm of the diameter of smooth shaft, and the lower end of threaded stem is cone structure.
2. a kind of hand tighten screw according to claim 1, it is characterized in that: the width of described " one " type groove is 2-4mm, and the degree of depth of " one " type groove is 3-4mm, and the lateral thickness of nut is 4-8mm.
3. a kind of hand tighten screw according to claim 1 is characterized in that: the length ratio of described smooth shaft and threaded stem is (1-1.3): 1, and the lower end of threaded stem is the cone structure with smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320233238XU CN203322002U (en) | 2013-05-03 | 2013-05-03 | Thumb screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320233238XU CN203322002U (en) | 2013-05-03 | 2013-05-03 | Thumb screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322002U true CN203322002U (en) | 2013-12-04 |
Family
ID=49661357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320233238XU Expired - Fee Related CN203322002U (en) | 2013-05-03 | 2013-05-03 | Thumb screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329352A (en) * | 2014-09-06 | 2015-02-04 | 刘宇兴 | Set screw |
| CN107191458A (en) * | 2017-07-17 | 2017-09-22 | 太仓永固精密制件有限公司 | A kind of accurate fastener being readily disassembled |
-
2013
- 2013-05-03 CN CN201320233238XU patent/CN203322002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329352A (en) * | 2014-09-06 | 2015-02-04 | 刘宇兴 | Set screw |
| CN107191458A (en) * | 2017-07-17 | 2017-09-22 | 太仓永固精密制件有限公司 | A kind of accurate fastener being readily disassembled |
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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: 20131204 Termination date: 20140503 |