CN203051382U - Anticorrosive bolt - Google Patents
Anticorrosive bolt Download PDFInfo
- Publication number
- CN203051382U CN203051382U CN 201220628286 CN201220628286U CN203051382U CN 203051382 U CN203051382 U CN 203051382U CN 201220628286 CN201220628286 CN 201220628286 CN 201220628286 U CN201220628286 U CN 201220628286U CN 203051382 U CN203051382 U CN 203051382U
- Authority
- CN
- China
- Prior art keywords
- bolt
- bolt head
- protection cap
- dovetail groove
- screw 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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- Connection Of Plates (AREA)
Abstract
The utility model discloses an anticorrosive bolt which comprises a bolt head, a screw rod and a protection cap, wherein a dovetail groove is formed in the upper end surface of the bolt head; a trapezoidal clamping block matched with the dovetail groove is formed in the top of the protection cap; a flange extending outwards is arranged on the edge of the protection cap; the protection cap is arranged on the bolt head by matching the clamping block with the dovetail groove; a polished rod section is arranged at the upper end of the screw rod; and a thread section is arranged at the lower end of the screw rod. The anticorrosive bolt disclosed by the utility model is simple in structure and is convenient to mount and use. Due to the adoption of the design that the protection cap is arranged on the bolt head and the flange is arranged on the edge of the protection cap, the corrosion influence on the bolt due to the contact of corrosive gas or liquid with the bolt is effectively prevented, the anticorrosive performance of the bolt is improved, the service life of the bolt is prolonged and the safe operation of the equipment is ensured.
Description
Technical field
The utility model relates to a kind of mechanical fastener, is specially a kind of corrosion protection bolt.
Background technique
Bolt is one of modal fastening piece, and it is made up of head and screw rod.It is cylindric that screw rod is, on have outside thread and can use with nut collocation.Screw bolt and nut uses jointly, can connect and fix two parts that have through hole.Existing bolt is applied in when having corrosive operational site, and it is more serious that it is influenced by corrosion, makes can't reach fastening effect by bolt failure, and then influence the use safety of equipment, has potential safety hazard.
The model utility content
The purpose of this utility model provides a kind of corrosion protection bolt, be applied in when having corrosive operational site to solve in the prior art traditional bolt, it is more serious that it is influenced by corrosion, make bolt failure, can't reach fastening effect, and then influence the use safety of equipment, there is the problem of potential safety hazard.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of corrosion protection bolt, it is characterized in that: include bolt head, screw rod and protective hat, described bolt head upper-end surface is provided with dovetail groove, described protective hat inner top is provided with the trapezoidal fixture block that matches with dovetail groove, described protective hat edge is provided with the rib of outside extension, described protective hat cooperates with dovetail groove by fixture block and is installed on the bolt head, and described screw rod upper end is the polished rod section, and the lower end is thread section.
Described a kind of corrosion protection bolt is characterized in that: described protective hat adopts corrosion resistant plastics to make.
Described a kind of corrosion protection bolt is characterized in that: described bolt head is cylindrical no bevel bolt head.
The beneficial effects of the utility model are:
The utility model is simple in structure, easy to install, employing arranges protective hat at bolt head, and the design of rib is set at the protective hat edge, prevented corrosive gas or liquid from contacting with bolt effectively and bolt has been caused corrosion influence, promote the antiseptic property of bolt, prolonged working life, guaranteed the safe operation of equipment.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of corrosion protection bolt, include bolt head 1, screw rod 2 and protective hat 3, bolt head 1 upper-end surface is provided with dovetail groove 4, protective hat 3 inner tops are provided with the trapezoidal fixture block 5 that matches with dovetail groove 4, and protective hat 3 edges are provided with the rib 6 of outside extension, and protective hat 3 cooperates with dovetail groove 4 by fixture block 5 and is installed on the bolt head 1, screw rod 2 upper ends are polished rod section 7, and the lower end is thread section 8.Protective hat 3 adopts corrosion resistant plastics to make, and bolt head 1 is cylindrical no bevel bolt head.
Claims (3)
1. corrosion protection bolt, it is characterized in that: include bolt head, screw rod and protective hat, described bolt head upper-end surface is provided with dovetail groove, described protective hat inner top is provided with the trapezoidal fixture block that matches with dovetail groove, described protective hat edge is provided with the rib of outside extension, described protective hat cooperates with dovetail groove by fixture block and is installed on the bolt head, and described screw rod upper end is the polished rod section, and the lower end is thread section.
2. a kind of corrosion protection bolt according to claim 1, it is characterized in that: described protective hat adopts corrosion resistant plastics to make.
3. a kind of corrosion protection bolt according to claim 1, it is characterized in that: described bolt head is cylindrical no bevel bolt head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628286 CN203051382U (en) | 2012-11-25 | 2012-11-25 | Anticorrosive bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628286 CN203051382U (en) | 2012-11-25 | 2012-11-25 | Anticorrosive bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051382U true CN203051382U (en) | 2013-07-10 |
Family
ID=48734340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220628286 Expired - Fee Related CN203051382U (en) | 2012-11-25 | 2012-11-25 | Anticorrosive bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488188A (en) * | 2018-06-04 | 2018-09-04 | 海盐兴隆紧固件有限公司 | A kind of antitheft hex bolts |
-
2012
- 2012-11-25 CN CN 201220628286 patent/CN203051382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488188A (en) * | 2018-06-04 | 2018-09-04 | 海盐兴隆紧固件有限公司 | A kind of antitheft hex bolts |
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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: 20130710 Termination date: 20131125 |