CN203051390U - Sealing and anticorrosion bolt - Google Patents
Sealing and anticorrosion bolt Download PDFInfo
- Publication number
- CN203051390U CN203051390U CN 201220629894 CN201220629894U CN203051390U CN 203051390 U CN203051390 U CN 203051390U CN 201220629894 CN201220629894 CN 201220629894 CN 201220629894 U CN201220629894 U CN 201220629894U CN 203051390 U CN203051390 U CN 203051390U
- Authority
- CN
- China
- Prior art keywords
- bolt
- bolt head
- screw rod
- sealing
- protective cap
- 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 sealing and anticorrosion bolt comprising a bolt head, a screw rod and a protective cap, wherein a dovetail-shaped slot is arranged in the upper end surface of the bolt head, an annular slot surrounding the screw rod is arranged in the lower end surface of the bolt head, a sealing rubber ring is embedded in the annular slot, a trapezoid clamping block matched with the dovetail-shaped slot is arranged on the inner top of the protective cap, an externally extending stop edge is arranged at the edge of the protective cap, the protective cap is arranged on the bolt head by matching the clamping block with the dovetail-shaped slot, the upper end of the screw rod is a polished rod section, and the lower end of the screw rod is a threaded section. The sealing and anticorrosion bolt disclosed by the utility model has the advantages that the structure is simple and the use and the installation are convenient; and the protective cap is arranged on the bolt head, and the sealing rubber ring is arranged on the lower end surface of the bolt head, so that the corrosion influence to the bolt due to the contact of corrosive gas or liquid with the bolt is effectively prevented, the anticorrosion performance of the bolt is improved, the service life is prolonged, and the safe operation of a device is guaranteed.
Description
Technical field
The utility model relates to a kind of mechanical fastener, is specially a kind of sealing corrosion type 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 does not mostly possess sealability, 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 sealing corrosion type bolt, traditional bolt does not mostly possess sealability in the prior art to solve, be 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 the problem of potential safety hazard.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of sealing corrosion type 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, the lower end surface is provided with the annular groove around screw rod, is embedded with sealing rubber ring in the described annular groove, and 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 sealing corrosion type bolt, it is characterized in that: described protective hat adopts corrosion resistant plastics to make.
Described a kind of sealing corrosion type 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 sealing rubber ring is set in the bolt head lower end surface, 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 sealing corrosion type bolt, include bolt head 1, screw rod 2 and protective hat 3, bolt head 1 upper-end surface is provided with dovetail groove 4, and the lower end surface is provided with the annular groove 5 around screw rod 2, be embedded with sealing rubber ring 6 in the annular groove 5, protective hat 3 inner tops are provided with the trapezoidal fixture block 7 that matches with dovetail groove 4, and protective hat 3 edges are provided with the rib 8 of outside extension, and protective hat 3 cooperates with dovetail groove 4 by fixture block 7 and is installed on the bolt head 1, screw rod 2 upper ends are polished rod section 9, and the lower end is thread section 10.Protective hat 3 adopts corrosion resistant plastics to make, and bolt head 1 is cylindrical no bevel bolt head.
Claims (3)
1. sealing corrosion type 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, the lower end surface is provided with the annular groove around screw rod, is embedded with sealing rubber ring in the described annular groove, and 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 sealing corrosion type bolt according to claim 1, it is characterized in that: described protective hat adopts corrosion resistant plastics to make.
3. a kind of sealing corrosion type 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 201220629894 CN203051390U (en) | 2012-11-25 | 2012-11-25 | Sealing and anticorrosion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629894 CN203051390U (en) | 2012-11-25 | 2012-11-25 | Sealing and anticorrosion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051390U true CN203051390U (en) | 2013-07-10 |
Family
ID=48734348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220629894 Expired - Fee Related CN203051390U (en) | 2012-11-25 | 2012-11-25 | Sealing and anticorrosion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051390U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335009A (en) * | 2013-07-15 | 2013-10-02 | 苏州天华有色金属制品有限公司 | Antirust bolt |
| CN105782207A (en) * | 2016-03-31 | 2016-07-20 | 南通康达鑫电子有限公司 | Isolating type screw assembly |
| CN108944891A (en) * | 2018-05-31 | 2018-12-07 | 湖州知谷汽车零部件有限公司 | The upper tank body of plastic vacuum container |
| CN110043542A (en) * | 2019-05-15 | 2019-07-23 | 苏州道森阀门有限公司 | A kind of underwater valve body lid stud exclusion seal structure |
| CN112032167A (en) * | 2020-04-26 | 2020-12-04 | 扬州华强不锈钢有限公司 | High-strength wear-resistant hexagonal head bolt |
| CN112065836A (en) * | 2020-08-27 | 2020-12-11 | 金鑫 | High-locking bolt sealing cap |
-
2012
- 2012-11-25 CN CN 201220629894 patent/CN203051390U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335009A (en) * | 2013-07-15 | 2013-10-02 | 苏州天华有色金属制品有限公司 | Antirust bolt |
| CN105782207A (en) * | 2016-03-31 | 2016-07-20 | 南通康达鑫电子有限公司 | Isolating type screw assembly |
| CN108944891A (en) * | 2018-05-31 | 2018-12-07 | 湖州知谷汽车零部件有限公司 | The upper tank body of plastic vacuum container |
| CN110043542A (en) * | 2019-05-15 | 2019-07-23 | 苏州道森阀门有限公司 | A kind of underwater valve body lid stud exclusion seal structure |
| CN112032167A (en) * | 2020-04-26 | 2020-12-04 | 扬州华强不锈钢有限公司 | High-strength wear-resistant hexagonal head bolt |
| CN112065836A (en) * | 2020-08-27 | 2020-12-11 | 金鑫 | High-locking bolt sealing cap |
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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 |