CN204437004U - Novel primary and secondary bolt - Google Patents
Novel primary and secondary bolt Download PDFInfo
- Publication number
- CN204437004U CN204437004U CN201520007813.3U CN201520007813U CN204437004U CN 204437004 U CN204437004 U CN 204437004U CN 201520007813 U CN201520007813 U CN 201520007813U CN 204437004 U CN204437004 U CN 204437004U
- Authority
- CN
- China
- Prior art keywords
- hitching post
- bolt
- spiral shell
- shell head
- periphery
- 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
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
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- Revetment (AREA)
Abstract
The utility model discloses a kind of novel primary and secondary bolt, be made up of sub-bolt and female bolt, it is characterized in that: described sub-bolt is made up of the first spiral shell head and the first hitching post, the periphery of the first hitching post is provided with outside thread, described female bolt is made up of the second spiral shell head and the second hitching post, described second hitching post is hollow structure, the inwall of the second hitching post is provided with internal thread, outside thread on the periphery of the first hitching post matches with the internal thread on the second hitching post, and the end face of described first spiral shell head and the second spiral shell head is respectively equipped with cross groove.By above setting, the utility model is used for connection between parts and parts, can bidirectional fastening, is connected firmly, does not have bolt head to expose phenomenon, can not injure operator after fastening, and neatly attractive in appearance.
Description
Technical field
The utility model relates to a kind of bolt, is a kind of novel primary and secondary bolt specifically.
Background technique
Connecting bolt of the prior art, mostly is to be connected with nut and uses, and because bolt head protrudes, hurts operator sometimes, and affects the aesthetic appearance of total.
Summary of the invention
The purpose of this utility model is to provide one and facilitates fastening, and the novel primary and secondary bolt be connected firmly.
To achieve these goals, the utility model is made up of sub-bolt and female bolt, described sub-bolt is made up of the first spiral shell head and the first hitching post, the periphery of the first hitching post is provided with outside thread, described female bolt is made up of the second spiral shell head and the second hitching post, described second hitching post is hollow structure, the inwall of the second hitching post is provided with internal thread, outside thread on the periphery of the first hitching post matches with the internal thread on the second hitching post, and the end face of described first spiral shell head and the second spiral shell head is respectively equipped with cross groove.
By above setting, the utility model is used for connection between parts and parts, can bidirectional fastening, is connected firmly, does not have bolt head to expose phenomenon, can not injure operator after fastening, and neatly attractive in appearance.
Accompanying drawing explanation
Now by reference to the accompanying drawings the utility model is described further.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the right elevation of Fig. 1.
In figure: 1, the first spiral shell head, the 2, first hitching post, the 3, second spiral shell head, the 4, second hitching post, 5, cross groove.
Embodiment
As shown in Fig. 1,2, the utility model is made up of sub-bolt and female bolt, described sub-bolt is made up of the first spiral shell head 1 and the first hitching post 2, the periphery of the first hitching post 2 is provided with outside thread, described female bolt is made up of the second spiral shell head 3 and the second hitching post 4, described second hitching post 4 is hollow structure, the inwall of the second hitching post 4 is provided with internal thread, outside thread on the periphery of the first hitching post 2 matches with the internal thread on the second hitching post 4, and the end face of described first spiral shell head 1 and the second spiral shell head 3 is respectively equipped with cross groove 5.By above setting, the utility model is used for connection between parts and parts, the first spiral shell head 1 and the second spiral shell head 3 can two-way simultaneous fastening, be connected firmly after fastening, do not have bolt head to expose phenomenon.
Claims (1)
1. novel primary and secondary bolt, be made up of sub-bolt and female bolt, it is characterized in that: described sub-bolt is made up of the first spiral shell head and the first hitching post, the periphery of the first hitching post is provided with outside thread, described female bolt is made up of the second spiral shell head and the second hitching post, described second hitching post is hollow structure, the inwall of the second hitching post is provided with internal thread, outside thread on the periphery of the first hitching post matches with the internal thread on the second hitching post, and the end face of described first spiral shell head and the second spiral shell head is respectively equipped with cross groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007813.3U CN204437004U (en) | 2015-01-07 | 2015-01-07 | Novel primary and secondary bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007813.3U CN204437004U (en) | 2015-01-07 | 2015-01-07 | Novel primary and secondary bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437004U true CN204437004U (en) | 2015-07-01 |
Family
ID=53604876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520007813.3U Expired - Fee Related CN204437004U (en) | 2015-01-07 | 2015-01-07 | Novel primary and secondary bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437004U (en) |
-
2015
- 2015-01-07 CN CN201520007813.3U patent/CN204437004U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20160107 |