CN203051396U - Folding head bolt - Google Patents
Folding head bolt Download PDFInfo
- Publication number
- CN203051396U CN203051396U CN 201320027758 CN201320027758U CN203051396U CN 203051396 U CN203051396 U CN 203051396U CN 201320027758 CN201320027758 CN 201320027758 CN 201320027758 U CN201320027758 U CN 201320027758U CN 203051396 U CN203051396 U CN 203051396U
- Authority
- CN
- China
- Prior art keywords
- head
- lug boss
- positive stop
- stop lug
- bar portion
- 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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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to a folding head bolt which comprises a head portion, a rod portion and a thread portion. The rod portion is arranged between the head portion and the thread portion, a limiting boss is arranged between the head portion and the rod portion, the limiting boss is arranged in a frustum shape, the outer diameter of one end, corresponding to the head portion, of the limiting boss is larger than that of the other end, corresponding to the rod portion, of the limiting boss, and transition between the end, corresponding to the rod portion, of the limiting boss and the rod portion is achieved through a cambered surface. According to the technical scheme, when the folding head bolt is connected with an object to be connected, the folding head bolt can be connected with the object to be connected stably due to limiting effects of the limiting boss and the object to be connected.
Description
Technical field
The utility model relates to a kind of discount bolt.
Background technique
The discount bolt generally includes head, bar portion and screw section, and described bar is deployed between head and screw section, yet this traditional hook bolt after long-term the use, and is connected and is easy to generate loosening phenomenon between the object.
Summary of the invention
At the deficiency that prior art exists, the discount bolt that provides a kind of connection more firm is provided the purpose of this utility model.
For achieving the above object, the utility model provides following technological scheme: a kind of discount bolt, comprise head, bar portion and screw section, described bar is deployed between head and screw section, be provided with positive stop lug boss between described head and the bar portion, described positive stop lug boss is the cone table shape setting, and the external diameter of corresponding head one end of positive stop lug boss is greater than the external diameter of the corresponding bar of positive stop lug boss portion one end, and corresponding bar portion's one end of described positive stop lug boss passes through the cambered surface transition with bar portion.
By adopting technique scheme, the discount bolt when being connected object and being connected, owing to positive stop lug boss and be connected the position-limiting action of object, make that the discount bolt can be more firm be connected object and be connected.
The utility model further arranges: described head is provided with the anti-skidding convex tendon of some quantity, and described anti-skidding convex tendon evenly is arranged on the perisporium of head with the direction with the head parallel to an axis.
By adopting technique scheme because the effect of anti-skidding convex tendon, can be convenient turn the discount bolt.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the utility model example structure figure.
Embodiment
Referring to accompanying drawing 1, the disclosed discount bolt of the utility model, comprise head 1, bar portion 2 and screw section 3, described bar portion 2 places between head 1 and the screw section 3, be provided with positive stop lug boss 4 between described head 1 and the bar portion 2, described positive stop lug boss 4 is the cone table shape setting, and the external diameter of positive stop lug boss 4 corresponding head 1 one ends is greater than the external diameter of the corresponding bar of positive stop lug boss 4 portion 2 one ends, and described positive stop lug boss 4 corresponding bar portion's 2 one ends and bar portion 2 are by the cambered surface transition.By adopting technique scheme, the discount bolt when being connected object and being connected, owing to positive stop lug boss 4 and be connected the position-limiting action of object, make that the discount bolt can be more firm be connected object and be connected.
Present embodiment further arranges: described head 1 is provided with the anti-skidding convex tendon 101 of some quantity, and described anti-skidding convex tendon 101 evenly is arranged on the perisporium of head 1 with the direction with head 1 parallel to an axis.By adopting technique scheme because the effect of anti-skidding convex tendon 101, can be convenient turn the discount bolt.
Claims (2)
1. discount bolt, comprise head, bar portion and screw section, described bar is deployed between head and screw section, it is characterized in that: be provided with positive stop lug boss between described head and the bar portion, described positive stop lug boss is the cone table shape setting, and the external diameter of corresponding head one end of positive stop lug boss is greater than the external diameter of the corresponding bar of positive stop lug boss portion one end, and corresponding bar portion's one end of described positive stop lug boss and bar portion are by the cambered surface transition.
2. discount bolt according to claim 1, it is characterized in that: described head is provided with the anti-skidding convex tendon of some quantity, and described anti-skidding convex tendon evenly is arranged on the perisporium of head with the direction with the head parallel to an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027758 CN203051396U (en) | 2013-01-17 | 2013-01-17 | Folding head bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027758 CN203051396U (en) | 2013-01-17 | 2013-01-17 | Folding head bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051396U true CN203051396U (en) | 2013-07-10 |
Family
ID=48734354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320027758 Expired - Fee Related CN203051396U (en) | 2013-01-17 | 2013-01-17 | Folding head bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821005A (en) * | 2019-05-10 | 2020-02-21 | 浙江亚厦幕墙有限公司 | Pottery tile dry hanging type curtain wall structure unit |
-
2013
- 2013-01-17 CN CN 201320027758 patent/CN203051396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821005A (en) * | 2019-05-10 | 2020-02-21 | 浙江亚厦幕墙有限公司 | Pottery tile dry hanging type curtain wall structure unit |
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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: 20130710 Termination date: 20150117 |
|
| EXPY | Termination of patent right or utility model |