CN203322003U - Bi-directional fastening piece - Google Patents
Bi-directional fastening piece Download PDFInfo
- Publication number
- CN203322003U CN203322003U CN2013202404227U CN201320240422U CN203322003U CN 203322003 U CN203322003 U CN 203322003U CN 2013202404227 U CN2013202404227 U CN 2013202404227U CN 201320240422 U CN201320240422 U CN 201320240422U CN 203322003 U CN203322003 U CN 203322003U
- Authority
- CN
- China
- Prior art keywords
- fastening part
- thread structure
- bidirectional
- fastening piece
- external thread
- 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 bi-directional fastening piece which is of an integrated structure. An O-shaped fastening ring with an internal thread structure is arranged at the upper end of the bi-directional fastening piece, a cylindrical fastening shaft with an external thread structure is arranged at the lower end of the bi-directional fastening piece, and the length of the external thread structure is 0.5-0.75 times of the length of the cylindrical fastening shaft. The bi-directional fastening piece is simple in structure, safe to use, low in cost and suitable for large-scale popularization.
Description
Technical field
The utility model relates to a kind of bidirectional fastening part.
Background technique
Fastening class accessory kind is more, and it is also commonly used in daily life.Fastening class accessory mostly is comprised of nut, axostylus axostyle, screw rod body etc., and the scope of its application is wider.The structure of this class formation part is usually comparatively simple, but its effect of playing 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.Therefore, studying bidirectional fastening part a kind of simple in structure, convenient and practical is the problem of current research.
The model utility content
The purpose of this utility model is to provide bidirectional fastening part a kind of simple in structure, convenient and practical.
The utility model solves the technological scheme that its technical problem adopts: a kind of bidirectional fastening part, it is characterized in that: this bidirectional fastening part is the integral type structure, bidirectional fastening part upper end is " O " type fastening ring with female thread structure, lower end is the cylindrical fastener shaft with external thread structure, and the length of external thread structure is 0.5-0.75 times of cylindrical fastener shaft length.
The outer diameter of described " O " type fastening ring is 1.3-1.6 times of cylindrical fastener shaft diameter; The surface of bidirectional fastening part has antioxidant layer.
Beneficial effect: the structure of bidirectional fastening part of the present utility model is comparatively simple, 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;
In figure, 1. " O " type fastening ring; 2. cylindrical fastener shaft; 21. external thread structure.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated;
Be illustrated in figure 1 a kind of bidirectional fastening part, this bidirectional fastening part is the integral type structure, bidirectional fastening part upper end is " O " type fastening ring 1 with female thread structure, lower end is the cylindrical fastener shaft 2 with external thread structure 21, and the length of external thread structure 21 is 0.75 times of cylindrical fastener shaft 2 length.
The outer diameter of described " O " type fastening ring 1 is 1.6 times of cylindrical fastener shaft 2 diameters, and the outer diameter of " O " type fastening ring 1 is 1.8 times of its inner diameter; The surface of bidirectional fastening part has antioxidant layer; It is fastening that the female thread structure that this bidirectional fastening part can be by " O " type fastening ring 1 and the external thread structure 21 of cylindrical fastener shaft 2 form right angle type by member.
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 bidirectional fastening part, it is characterized in that: this bidirectional fastening part is the integral type structure, bidirectional fastening part upper end is " O " type fastening ring with female thread structure, lower end is the cylindrical fastener shaft with external thread structure, and the length of external thread structure is 0.5-0.75 times of cylindrical fastener shaft length.
2. a kind of bidirectional fastening part according to claim 1 is characterized in that: the outer diameter of described " O " type fastening ring be cylindrical fastener shaft diameter 1.3-1.6 doubly.
3. a kind of bidirectional fastening part according to claim 1, it is characterized in that: the surface of described bidirectional fastening part has antioxidant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202404227U CN203322003U (en) | 2013-05-03 | 2013-05-03 | Bi-directional fastening piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202404227U CN203322003U (en) | 2013-05-03 | 2013-05-03 | Bi-directional fastening piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322003U true CN203322003U (en) | 2013-12-04 |
Family
ID=49661358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202404227U Expired - Fee Related CN203322003U (en) | 2013-05-03 | 2013-05-03 | Bi-directional fastening piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165263A1 (en) * | 2014-04-28 | 2015-11-05 | 江苏振东港口机械制造有限公司 | Fastening bolt |
-
2013
- 2013-05-03 CN CN2013202404227U patent/CN203322003U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165263A1 (en) * | 2014-04-28 | 2015-11-05 | 江苏振东港口机械制造有限公司 | Fastening bolt |
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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 |