CN204677575U - Prevent exposed bolt corrosion structure - Google Patents
Prevent exposed bolt corrosion structure Download PDFInfo
- Publication number
- CN204677575U CN204677575U CN201520195463.8U CN201520195463U CN204677575U CN 204677575 U CN204677575 U CN 204677575U CN 201520195463 U CN201520195463 U CN 201520195463U CN 204677575 U CN204677575 U CN 204677575U
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- CN
- China
- Prior art keywords
- bolt
- nut
- seal grooves
- head
- sidewall
- 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.)
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- 238000005260 corrosion Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 oxonium ion Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model relates to one and prevents exposed bolt corrosion structure, can effectively protect bolt to prevent from being corroded.Bolt is installed in fastener; Nut is connected with the screw rod of bolt, and fastened body is fixedly clamped by the head of bolt and nut; A pad is between the head and fastened body of bolt, and No. two pads are between nut and fastened body; The head of bolt and pad are arranged in a seal groove of A protective cover; The periphery close contact of the sidewall of a seal groove and bolt head and/or a pad, and be coated with oil layer on the contact surface; Nut and No. two pads are arranged in No. two seal grooves of B protective cover, the periphery close contact of the sidewall of No. two seal grooves and nut and/or No. two pads, and are coated with oil layer on the contact surface.The sidewall of No. three seal grooves has screw thread, and the bottom of the screw rod of bolt is arranged in No. three seal grooves of B protective cover, and is connected with the sidewall thread of No. three seal grooves, and junction surface is coated with oil layer.
Description
Technical field
The utility model relates to one and prevents exposed bolt corrosion structure.
Background technique
Metal bolts is widely used in the every field of industry, and it mainly plays connection or the fastening effect of metal construction.Equipment in metallurgy and chemical industry, pipeline is exposed in atmosphere environment mostly, the acid of rainwater and factory, alkali, salt and chlorine, fluoride ion attends by dust, and by environment, all shroud invariably exceptionally, for preventing equipment, the surface etching of pipeline, their surface is often coated with multilayer rust proof paint, and can not be coated with rust proof paint (because it will be dismantled as connection fastener bolt yet, be coated with and just can not have dismantled), so bolt is ceaselessly corroding, along with the prolongation of time, bolt corrosion product expands, threaded engagement together, even reach the degree that nut cannot be turned, can only be cut off with gas cutting, the use of one-period (turn(a)round) does not know to prescind how many bolts, take a lot of work not only but also time-consuming, cause the waste of substantial contribution.More there are chlorine, fluoride ion to combine, also even if employ expensive stainless steel bolt still can suffer intergranular corrosion and scrap.
Model utility content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of exposed bolt corrosion structure that prevents of reasonable in design, can effectively protect bolt to prevent from being corroded.
The technical scheme in the invention for solving the above technical problem is: one prevents exposed bolt corrosion structure, comprises bolt, pad, fastened body, No. two pads and a nut; Bolt is installed in fastener; Nut is connected with the screw rod of bolt, and fastened body is fixedly clamped by the head of bolt and nut; A pad is between the head and fastened body of bolt, and No. two pads are between nut and fastened body; It is characterized in that: also comprise A protective cover and B protective cover; A protective cover has a seal groove, the head of bolt and a pad are arranged in a seal groove; When the head outer diameter of bolt is greater than the external diameter of a pad, the sidewall of a seal groove and the periphery close contact of bolt head, and be coated with oil layer on the contact surface; When the head outer diameter of bolt is less than the external diameter of a pad, the periphery close contact of the sidewall of a seal groove and a pad, and be coated with oil layer on the contact surface; When the head outer diameter of bolt is equal with the external diameter of a pad, the periphery close contact of the sidewall of a seal groove and the periphery of bolt head and a pad, and be coated with oil layer on the contact surface; B protective cover has No. two seal grooves and No. three seal grooves; Nut and No. two pads are arranged in No. two seal grooves, when nut external diameter is greater than the external diameter of No. two pads, and the sidewall of No. two seal grooves and the periphery close contact of nut, and be coated with oil layer on the contact surface; When nut external diameter is less than the external diameter of No. two pads, the periphery close contact of the sidewall of No. two seal grooves and No. two pads, and be coated with oil layer on the contact surface; When the external diameter of nut external diameter and No. two pads is equal, the periphery close contact of the sidewall of No. two seal grooves and the periphery of nut and No. two pads, and be coated with oil layer on the contact surface; The sidewall of No. three seal grooves has screw thread, and the bottom of the screw rod of bolt is arranged in No. three seal grooves, and is connected with the sidewall thread of No. three seal grooves, and junction surface is coated with oil layer.
Do not contact between the bottom land of a seal groove described in the utility model and the head of bolt.
Distance between the bottom land of a seal groove described in the utility model and the head of bolt is 5-8mm.
Do not contact between the bottom land of No. two seal grooves described in the utility model and nut.
Distance between the bottom land of No. two seal grooves described in the utility model and nut is 5-8mm.
Do not contact between the bottom land of No. three seal grooves described in the utility model and the bottom of screw rod.
Distance between the bottom land of No. three seal grooves described in the utility model and the bottom of screw rod is 9-15mm.
A protective cover described in the utility model is positioned at the part of the notch periphery of a seal groove and fastened body close contact.
B protective cover described in the utility model is positioned at the part of the notch periphery of No. two seal grooves and fastened body close contact.
A protective cover described in the utility model and the injection moulding of B protective cover plastics are made.
Compared with prior art, have the following advantages and effect: reasonable in design, cost is low, long service life for the utility model; The combination of A protective cover, B protective cover, oil layer three; bolt, nut, pad can be made not to contact the erosion of atmospheric rainwater, acid, alkali, salt and chlorine, oxonium ion; thus effectively protect bolt, nut, pad to prevent from being corroded; even if at worst environment; Ordinary Steel bolt also can Long-Time Service, also can safe operation 2-3 not causticize in exposed heavily contaminated environment.
Accompanying drawing explanation
Fig. 1 is the quick-fried according to structural representation of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
See Fig. 1, the utility model embodiment comprises A protective cover 1, bolt 2, pad 3, fastened body 4, No. two pads 5, nut 6 and B protective covers 7.
Bolt 2 is installed in fastener 4.Nut 6 is connected with the screw rod of bolt 2, and fastened body 4 is fixedly clamped by the head of bolt 2 and nut 6.
A pad 3 is between the head and fastened body 4 of bolt 2.No. two pads 5 are between nut 6 and fastened body 4.
A protective cover 1 has a seal groove 8, the head of bolt 2 and a pad 3 are arranged in a seal groove 8.When the head outer diameter of bolt 2 is greater than the external diameter of a pad 3, the sidewall of a seal groove 8 and the periphery close contact of bolt 2 head, and be coated with oil layer on the contact surface; When the head outer diameter of bolt 2 is less than the external diameter of a pad 3, the periphery close contact of the sidewall of a seal groove 8 and a pad 3, and be coated with oil layer on the contact surface; When the head outer diameter of bolt 2 is equal with the external diameter of a pad 3, the sidewall of a seal groove 8 and the periphery of bolt 2 head and the periphery close contact of a pad 3, and be coated with oil layer on the contact surface.Oil layer has effect that is antirust, heatproof.Do not contact between the bottom land of a seal groove 8 and the head of bolt 2, namely there is space between the two, this space as headspace, when the head of bolt 2 can not expose bolt to time overhanging.In the present embodiment, the distance between the bottom land of a seal groove 8 and the head of bolt 2 is 5-8mm, coordinates associated components size.
A protective cover 1 is positioned at the part of a seal groove 8 notch periphery and fastened body 4 close contact, like this can enhanced leaktightness effect.
B protective cover 7 has No. two seal grooves 9 and No. three seal grooves 10.
Nut 6 and No. two pads 5 are arranged in No. two seal grooves 9, when nut 6 external diameter is greater than the external diameter of No. two pads 5, and the sidewall of No. two seal grooves 9 and the periphery close contact of nut 6, and be coated with oil layer on the contact surface; When nut 6 external diameter is less than the external diameter of No. two pads 5, the periphery close contact of the sidewall of No. two seal grooves 9 and No. two pads 5, and be coated with oil layer on the contact surface; When the external diameter of nut 6 external diameter and No. two pads 5 is equal, the periphery close contact of the sidewall of No. two seal grooves 9 and the periphery of nut 6 and No. two pads 5, and be coated with oil layer on the contact surface.Oil layer has effect that is antirust, heatproof.Do not contact between No. two seal groove 9 bottom lands and nut 6, namely have space between the two, bolt, as headspace, can not be exposed when nut 6 to time overhanging in this space; In the present embodiment, the distance between No. two seal groove 9 bottom lands and nut 6 is 5-8mm, coordinates associated components size.
The sidewall of No. three seal grooves 10 has screw thread, and the bottom of the screw rod of bolt 2 is arranged in No. three seal grooves 10, and is connected with the sidewall thread of No. three seal grooves 10, and junction surface is coated with oil layer.Oil layer has effect that is antirust, heatproof.Do not contact between the bottom land of No. three seal grooves 10 and the bottom of screw rod, namely have space between the two, bolt, as headspace, can not be exposed when fastener 4 thickeies in this space.In the present embodiment, the distance between the bottom land of No. three seal grooves 10 and the bottom of screw rod is 9-15mm, coordinates associated components size.
B protective cover 7 is positioned at the part of No. two seal groove 9 notch peripheries and fastened body 4 close contact, like this can enhanced leaktightness effect.
A protective cover 1 and B protective cover 7 plastics injection moulding are made, and plastics are general-purpose plastics, as PE, PP, PVC, PET, and can filled also pure resin-oatmeal (transparent).
Namely fastened body 4 is need to be coordinated fixing structure by bolt 2 and nut 6, and the present embodiment is used in flanged connecting structure, and fastened body 4 is flange arrangement.
Component orientations involved in the application is that benchmark is described with Fig. 1.
In addition, it should be noted that, the specific embodiment described in this specification, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this specification is only to the explanation of the utility model structure example.
Claims (10)
1. prevent an exposed bolt corrosion structure, comprise bolt, pad, fastened body, No. two pads and a nut; Bolt is installed in fastener; Nut is connected with the screw rod of bolt, and fastened body is fixedly clamped by the head of bolt and nut; A pad is between the head and fastened body of bolt, and No. two pads are between nut and fastened body; It is characterized in that: also comprise A protective cover and B protective cover; A protective cover has a seal groove, the head of bolt and a pad are arranged in a seal groove; When the head outer diameter of bolt is greater than the external diameter of a pad, the sidewall of a seal groove and the periphery close contact of bolt head, and be coated with oil layer on the contact surface; When the head outer diameter of bolt is less than the external diameter of a pad, the periphery close contact of the sidewall of a seal groove and a pad, and be coated with oil layer on the contact surface; When the head outer diameter of bolt is equal with the external diameter of a pad, the periphery close contact of the sidewall of a seal groove and the periphery of bolt head and a pad, and be coated with oil layer on the contact surface; B protective cover has No. two seal grooves and No. three seal grooves; Nut and No. two pads are arranged in No. two seal grooves, when nut external diameter is greater than the external diameter of No. two pads, and the sidewall of No. two seal grooves and the periphery close contact of nut, and be coated with oil layer on the contact surface; When nut external diameter is less than the external diameter of No. two pads, the periphery close contact of the sidewall of No. two seal grooves and No. two pads, and be coated with oil layer on the contact surface; When the external diameter of nut external diameter and No. two pads is equal, the periphery close contact of the sidewall of No. two seal grooves and the periphery of nut and No. two pads, and be coated with oil layer on the contact surface; The sidewall of No. three seal grooves has screw thread, and the bottom of the screw rod of bolt is arranged in No. three seal grooves, and is connected with the sidewall thread of No. three seal grooves, and junction surface is coated with oil layer.
2. according to claim 1ly prevent exposed bolt corrosion structure, it is characterized in that: do not contact between the bottom land of a described seal groove and the head of bolt.
3. according to claim 2ly prevent exposed bolt corrosion structure, it is characterized in that: the distance between the bottom land of a described seal groove and the head of bolt is 5-8mm.
4. according to claim 1ly prevent exposed bolt corrosion structure, it is characterized in that: do not contact between the bottom land of No. two described seal grooves and nut.
5. according to claim 4ly prevent exposed bolt corrosion structure, it is characterized in that: the distance between the bottom land of No. two described seal grooves and nut is 5-8mm.
6. according to claim 1ly prevent exposed bolt corrosion structure, it is characterized in that: do not contact between the bottom land of No. three described seal grooves and the bottom of screw rod.
7. according to claim 6ly prevent exposed bolt corrosion structure, it is characterized in that: the distance between the bottom land of No. three described seal grooves and the bottom of screw rod is 9-15mm.
8. according to claim 1ly prevent exposed bolt corrosion structure, it is characterized in that: described A protective cover is positioned at the part of the notch periphery of a seal groove and fastened body close contact.
9. according to claim 1ly prevent exposed bolt corrosion structure, it is characterized in that: described B protective cover is positioned at the part of the notch periphery of No. two seal grooves and fastened body close contact.
10. according to claim 1ly prevent exposed bolt corrosion structure, it is characterized in that: described A protective cover and the injection moulding of B protective cover plastics are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195463.8U CN204677575U (en) | 2015-04-02 | 2015-04-02 | Prevent exposed bolt corrosion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195463.8U CN204677575U (en) | 2015-04-02 | 2015-04-02 | Prevent exposed bolt corrosion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677575U true CN204677575U (en) | 2015-09-30 |
Family
ID=54177270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520195463.8U Active CN204677575U (en) | 2015-04-02 | 2015-04-02 | Prevent exposed bolt corrosion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805130A (en) * | 2016-05-31 | 2016-07-27 | 常州市耐斯工控工程有限公司 | Bolt with protection push cover |
| CN106546120A (en) * | 2017-01-23 | 2017-03-29 | 上海金由氟材料股份有限公司 | A kind of interior cladding fastening seal structure of fluoroplastics pipe heat exchanger |
| CN106546121A (en) * | 2017-01-23 | 2017-03-29 | 上海金由氟材料股份有限公司 | A kind of fluoroplastics coat sealing structure and encapsulating method entirely |
-
2015
- 2015-04-02 CN CN201520195463.8U patent/CN204677575U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805130A (en) * | 2016-05-31 | 2016-07-27 | 常州市耐斯工控工程有限公司 | Bolt with protection push cover |
| CN106546120A (en) * | 2017-01-23 | 2017-03-29 | 上海金由氟材料股份有限公司 | A kind of interior cladding fastening seal structure of fluoroplastics pipe heat exchanger |
| CN106546121A (en) * | 2017-01-23 | 2017-03-29 | 上海金由氟材料股份有限公司 | A kind of fluoroplastics coat sealing structure and encapsulating method entirely |
| CN106546120B (en) * | 2017-01-23 | 2019-01-01 | 上海金由氟材料股份有限公司 | A kind of interior cladding fastening seal structure of fluoroplastics pipe heat exchanger |
| CN106546121B (en) * | 2017-01-23 | 2019-01-01 | 上海金由氟材料股份有限公司 | A kind of fluoroplastics coat sealing structure and encapsulating method entirely |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311200, Peach Lake Village, Puyang Town, Xiaoshan District, Zhejiang, Hangzhou Patentee after: HANGZHOU TIANYICHENG ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD. Address before: 311200, Peach Lake Village, Puyang Town, Xiaoshan District, Zhejiang, Hangzhou Patentee before: HANGZHOU TIANYICHENG CHEMICAL EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311200 Taohu Village, Puyang Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Tianyicheng New Energy Technology Co.,Ltd. Country or region after: China Address before: 311200 Taohu Village, Puyang Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU TIANYICHENG ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD. Country or region before: China |