CN203453236U - High-tautness end plate bolt - Google Patents
High-tautness end plate bolt Download PDFInfo
- Publication number
- CN203453236U CN203453236U CN201320378710.9U CN201320378710U CN203453236U CN 203453236 U CN203453236 U CN 203453236U CN 201320378710 U CN201320378710 U CN 201320378710U CN 203453236 U CN203453236 U CN 203453236U
- Authority
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- China
- Prior art keywords
- bolt
- screw thread
- ailhead
- diameter
- fixed end
- 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 - Lifetime
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- 241000587161 Gomphocarpus Species 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
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Abstract
The utility model relates to a bolt, particularly to a high-tautness end plate bolt. The bolt comprises a bolt body. The head of the bolt body is provided with an integrated nail head. The tail of the bolt body is provided with a screw thread fixing end. A bowl-shaped fastening retainer ring is disposed between the nail head and the bolt body. The surface of the screw thread fixing end is provided uniform screw thread. The bolt is compact in structure, and allows safety to be improved and service performance to be improved.
Description
Technical field
The utility model relates to a kind of bolt, relates in particular to a kind of end plate bolt of high tautness.
Background technique
The bolt of using in the middle of steel structure in prior art, the common intensity that exists is low, fastness is installed not high, causes steel structure stability to reduce, and has certain potential safety hazard.
Chinese patent 201220117808.4, a kind of bolt is disclosed, comprise bolt head, flange plate and cylindric screw rod coaxial and that be cast as one, one end away from flange plate on described screw rod is provided with screw thread, described reach is less than screw rod total length, on described screw rod, be provided with a longitudinal fluting, a diversion canal that is connected and leads to flange plate edge with described longitudinal fluting is also being set on the end face that described flange plate is connected with screw rod.As improvement, on the end face that described flange plate is connected with screw rod, be provided with an annular groove, described annular groove connection is arranged on longitudinal fluting and the diversion canal on screw rod.When this structure is used, performance is relatively unoutstanding, while using in corresponding structure, and the intensity relative deficiency of bolt, easily reduce working life.
Model utility content
The utility model is mainly to solve the deficiencies in the prior art, and a kind of compact structure is provided, and usability is outstanding, simultaneously easy to operate, the end plate bolt of the high tautness of gaining in strength.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of end plate bolt of high tautness, comprise the body of bolt, the head of the described body of bolt is provided with mutually integrated ailhead with it, the afterbody of the described body of bolt is provided with screw thread fixed end, between described ailhead and the body of bolt, be provided with bowl-shape fastening back-up ring, the surface of described screw thread fixed end is provided with equally distributed screw thread.
As preferably, between described screw thread fixed end and the body of bolt, be provided with to turn round and cut breach, left-hand end and the right-hand end of described screw thread fixed end are respectively equipped with chamfering, the described diameter of screw thread fixed end and the equal diameters of the body of bolt.
As preferably, described ailhead is regular hexagon, and the diameter of the described body of bolt is less than the diameter of ailhead, and the diameter of described fastening back-up ring is greater than the diameter of ailhead.
As preferably, the length of described screw thread fixed end is less than the total length of the body of bolt.
Therefore, the end plate bolt of high tautness of the present utility model, compact structure, promotes Security, improves usability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of end plate bolt of high tautness, comprise the body of bolt 1, the head of the described body of bolt 1 is provided with mutually integrated ailhead 2 with it, the afterbody of the described body of bolt 1 is provided with screw thread fixed end 3,1 of described ailhead 2 and the body of bolt are provided with bowl-shape fastening back-up ring 4, and the surface of described screw thread fixed end 3 is provided with equally distributed screw thread 5.1 of described screw thread fixed end 3 and the body of bolt are provided with to turn round cuts breach 6, and left-hand end and the right-hand end of described screw thread fixed end 3 are respectively equipped with chamfering, the diameter of described screw thread fixed end 3 and the equal diameters of the body of bolt 1.Described ailhead 2 is regular hexagon, and the diameter of the described body of bolt 1 is less than the diameter of ailhead 2, and the diameter of described fastening back-up ring 4 is greater than the diameter of ailhead 2.The length of described screw thread fixed end 3 is less than the total length of the body of bolt 1.
Claims (3)
1. the end plate bolt of a high tautness, it is characterized in that: comprise the body of bolt (1), the head of the described body of bolt (1) is provided with mutually integrated ailhead (2) with it, the afterbody of the described body of bolt (1) is provided with screw thread fixed end (3), between described ailhead (2) and the body of bolt (1), be provided with bowl-shape fastening back-up ring (4), the surface of described screw thread fixed end (3) is provided with equally distributed screw thread (5); Between described screw thread fixed end (3) and the body of bolt (1), be provided with to turn round and cut breach (6), left-hand end and the right-hand end of described screw thread fixed end (3) are respectively equipped with chamfering, the diameter of described screw thread fixed end (3) and the equal diameters of the body of bolt (1).
2. the end plate bolt of high tautness according to claim 1, it is characterized in that: described ailhead (2) is regular hexagon, the diameter of the described body of bolt (1) is less than the diameter of ailhead (2), and the diameter of described fastening back-up ring (4) is greater than the diameter of ailhead (2).
3. the end plate bolt of high tautness according to claim 1, is characterized in that: the length of described screw thread fixed end (3) is less than the total length of the body of bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378710.9U CN203453236U (en) | 2013-06-28 | 2013-06-28 | High-tautness end plate bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378710.9U CN203453236U (en) | 2013-06-28 | 2013-06-28 | High-tautness end plate bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453236U true CN203453236U (en) | 2014-02-26 |
Family
ID=50133113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320378710.9U Expired - Lifetime CN203453236U (en) | 2013-06-28 | 2013-06-28 | High-tautness end plate bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917806A (en) * | 2015-12-24 | 2017-07-04 | 天津天宇通天精密紧固件有限公司 | A kind of novel high-strength fastener |
-
2013
- 2013-06-28 CN CN201320378710.9U patent/CN203453236U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917806A (en) * | 2015-12-24 | 2017-07-04 | 天津天宇通天精密紧固件有限公司 | A kind of novel high-strength fastener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311253 Wangjia gate of Xiaoshan District, Hangzhou, Zhejiang Patentee after: HANGZHOU JIAXIANG GAOQIANG BOLTS CO.,LTD. Address before: 311253 Wangjia gate of Xiaoshan District, Hangzhou, Zhejiang Patentee before: HANGZHOU JIAXIANG HIGH STRENGTH BOLTS CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term |