CN203051439U - Convenient-to-install anti-corrosion screw bolt - Google Patents
Convenient-to-install anti-corrosion screw bolt Download PDFInfo
- Publication number
- CN203051439U CN203051439U CN 201220628162 CN201220628162U CN203051439U CN 203051439 U CN203051439 U CN 203051439U CN 201220628162 CN201220628162 CN 201220628162 CN 201220628162 U CN201220628162 U CN 201220628162U CN 203051439 U CN203051439 U CN 203051439U
- Authority
- CN
- China
- Prior art keywords
- screw bolt
- corrosion
- convenient
- screw rod
- bolt head
- 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 discloses a convenient-to-install anti-corrosion screw bolt, which comprises a screw bolt head, a screw rod and a protection cap, wherein a dovetail groove is arranged at the upper end surface of the screw bolt head, the inner top part of the protection cap is provided with a trapezoidal clamp block matched with the dovetail groove, the edge of the protection cap is provided with an outwards extending baffle edge, the protection cap is matched with the dovetail groove through the clamp block to be arranged on the screw bolt head, the upper end of the screw rod is an unthreaded section, the lower end of the screw rod is a threaded section, the end part of the screw rod is provided with a concave hole, and the concave hole is an internal quadrilateral or internal hexangular concave hole. The convenient-to-install anti-corrosion screw bolt has the advantages that the structure is simple, installation and use are convenient, the corrosion influence on the screw bolt caused by the contact between corrosive gas or liquid and the screw bolt is effectively prevented, the anti-corrosion performance of the screw bolt is improved, service life is prolonged, the safe operation of equipment is ensured, the occurrence of linkage phenomenon is effectively avoided, and work efficiency is improved.
Description
Technical field
The utility model relates to a kind of mechanical fastener, is specially a kind of corrosion-proof type bolt of being convenient to install.
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, 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, have potential safety hazard, and bolt is followed the nut interlock when mounted easily, nut can not disposablely screw, and influences working efficiency.
The model utility content
The purpose of this utility model provides a kind of corrosion-proof type bolt of being convenient to install, 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, have potential safety hazard, and bolt follows nut interlock when mounted easily, influence the problem of working efficiency.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of corrosion-proof type bolt of being convenient to install, 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, and described protective hat edge is provided with the rib of outside extension, and described protective hat cooperates with dovetail groove by fixture block and is installed on the bolt head, described screw rod upper end is the polished rod section, the lower end is thread section, and described screw rod end is provided with shrinkage pool, and described shrinkage pool is interior four jiaos or interior hexagonal shrinkage pool.
Described a kind of corrosion-proof type bolt of being convenient to install, it is characterized in that: described protective hat adopts corrosion resistant plastics to make.
Described a kind of corrosion-proof type bolt of being convenient to install 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; Employing arranges the design of shrinkage pool in the screw rod end, can fix screw rod by instrument during installation, has avoided the generation of interlock phenomenon effectively, has improved working efficiency.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of corrosion-proof type bolt of being convenient to install, include bolt head 1, screw rod 2 and protective hat 3, bolt head 1 upper-end surface is provided with dovetail groove 4, and protective hat 3 inner tops are provided with the trapezoidal fixture block 5 that matches with dovetail groove 4, protective hat 3 edges are provided with the rib 6 of outside extension, protective hat 3 cooperates with dovetail groove 4 by fixture block 5 and is installed on the bolt head 1, and screw rod 2 upper ends are polished rod section 7, and the lower end is thread section 8, screw rod 2 ends are provided with shrinkage pool 9, and shrinkage pool 9 is interior four jiaos or interior hexagonal shrinkage pool.Protective hat 3 adopts corrosion resistant plastics to make, and bolt head 1 is cylindrical no bevel bolt head.
Claims (3)
1. corrosion-proof type bolt of being convenient to install, 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, described screw rod upper end is the polished rod section, the lower end is thread section, described screw rod end is provided with shrinkage pool, and described shrinkage pool is interior four jiaos or interior hexagonal shrinkage pool.
2. a kind of corrosion-proof type bolt of being convenient to install according to claim 1, it is characterized in that: described protective hat adopts corrosion resistant plastics to make.
3. a kind of corrosion-proof type bolt of being convenient to install 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 201220628162 CN203051439U (en) | 2012-11-25 | 2012-11-25 | Convenient-to-install anti-corrosion screw bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628162 CN203051439U (en) | 2012-11-25 | 2012-11-25 | Convenient-to-install anti-corrosion screw bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051439U true CN203051439U (en) | 2013-07-10 |
Family
ID=48734397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220628162 Expired - Fee Related CN203051439U (en) | 2012-11-25 | 2012-11-25 | Convenient-to-install anti-corrosion screw bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414499A (en) * | 2015-12-08 | 2016-03-23 | 重庆盛镁镁业有限公司 | Expansion clamping type aluminum alloy connection assembly |
-
2012
- 2012-11-25 CN CN 201220628162 patent/CN203051439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414499A (en) * | 2015-12-08 | 2016-03-23 | 重庆盛镁镁业有限公司 | Expansion clamping type aluminum alloy connection assembly |
| CN105414499B (en) * | 2015-12-08 | 2017-09-08 | 重庆盛镁镁业有限公司 | Swollen cassette aluminium alloy connection component |
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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 |