CN208040898U - A kind of bolt and nut component and flange assembly - Google Patents
A kind of bolt and nut component and flange assembly Download PDFInfo
- Publication number
- CN208040898U CN208040898U CN201820397274.2U CN201820397274U CN208040898U CN 208040898 U CN208040898 U CN 208040898U CN 201820397274 U CN201820397274 U CN 201820397274U CN 208040898 U CN208040898 U CN 208040898U
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- CN
- China
- Prior art keywords
- bolt
- nut
- flange assembly
- braiding
- cover
- 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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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model discloses a kind of bolt and nut component and flange assemblies, belong to anti-corrosive apparatus technical field.Bolt and nut component provided by the utility model includes bolt and the nut that is used cooperatively with bolt, the outside of at least one of the bolt head of nuts and bolt is coated with braiding cover, braiding cover is woven by flexible wire body, braiding cover is external to be provided with skin of paint, and the braiding cover is for preventing paint from permeating.Bolt and nut component and flange assembly provided by the utility model, skin of paint can form protection to braiding cover and bolt, and weave the dismounting that cover is then conducive to skin of paint.It is very convenient as long as knocking out or prying open braiding cover in demounting bolt nut, and excessive paint will not be remained on nut, the dismounting of bolt and nut is not influenced.
Description
Technical field
The utility model is related to anti-corrosive apparatus technical field more particularly to a kind of bolt and nut component and including the bolt
The flange assembly of nut assembly.
Background technology
Flange bolt component belongs to connector, in every field extensively using (such as in offshore production facility), to entire
The safety of facility is particularly important, therefore usually requires to carry out anti-corrosion to flange bolt component.For example, offshore production facility high pressure
Pipeline connection is mostly the connection of flange bolt formula, and installation environment is open space.There was dampness in the air and salinity is larger for marine environment, dislikes
Bad environment exacerbates the corrosion rate of bolt, and conventional inspection can not find the variation of the hardness and tensile strength of bolt.If
Not good safeguard procedures, high salinity, high humility offshore platform there will be the bolt corrosion of many places be broken hidden danger, to sea
The normal operation and personnel safety of production of hydrocarbons facility will be huge threat.
The anti-corrosion of flange bolt component in Offshore Units is different from other equipment class anti-corrosion, and first aspect is the reason is that divide
Cloth is wide, quantity is big, the anti-corrosion period is long, and is limited by technological process and can not dismantle anti-corrosion at any time.Second the reason is that corrosion bolt
There is the high pressure line that medium is oil gas class in dismounting problem, external mechanical energy (machine cuts) or thermal energy (gas cutting of getting angry) dismounting
Dodge the security risks such as quick-fried.The third aspect consumes class material the reason is that bolt belongs to, and cannot achieve Performance Evaluation after installation, can only lean on
Artificial knowledge judges that this, which is also resulted in, can not control suitable replacing construction node otherwise.Because considering equipment safety and people
Member's safety is all to replace in advance, therefore a large amount of fund cost is caused to waste.
Mainstream anti-corrosion method includes that butter cloth wraps up antisepsis, lubricating grease antisepsis, paint antisepsis etc. at this stage, such
There is inevitable negative effect in use in anti-corrosion method：
The anti-corrosion method of butter cloth lubrication lipid is attached to bolt surface layer by the oil film that butter cloth or lubricating grease are formed
Form has the function that completely cutting off air prevents bolt oxidation corrosion.There is the following in this method：Short life, effect are poor, throw
Provide more, easy to pollute and heavy workload.The service life of oily band is 1~2 month, and lubricating grease is then shorter, less than 1 month, air-dries
Oily band and lubricating grease afterwards cannot achieve antisepsis；And oily band and lubricating grease is on the high side, live bolt is more, maintenance at
This height, anti-corrosion mode belong to external and wrap up brushing form, and oily band is easy to fall off pollution environment, is to plant facility and marine environment
Serious pollution threat；Lubricating grease viscosity is higher, and dust accumulation is more, and the term of validity is extremely short, to lead to the bolt anti-corrosion period indirectly
It is greatly shortened, repetitive operation increases, and employee work amount increases.
The anti-corrosion method for such as painting class realizes that bolt surface is isolated with humid air by the leakproofness of paint, resistance
Only corrode.Although painting, anti-corrosion anti-corrosion effect is preferable, service life is longer, the bolt of brushing paint, and thread surface is oily
Paint is filled and led up, and dismounting is extremely difficult after curing, and causes seriously to perplex to the secondary use of maintenance of equipment and bolt.
Some other isolated anti-corrosion methods of cladding, there is also costs, and high, cost wastes serious, easy aging tortoise
It splits, safeguard function failure equally has dismounting difficulty after aging with paint.
Utility model content
The purpose of this utility model is that proposing a kind of bolt and nut component convenient for disassembly and assembly, favorable anti-corrosion effect and including institute
State the flange assembly of bolt and nut component.
For this purpose, on the one hand, the utility model uses following technical scheme：
A kind of bolt and nut component, including bolt and the nut that is used cooperatively with the bolt, the nut and the spiral shell
The outside of at least one of the bolt head of bolt is coated with braiding cover, and the braiding cover is woven by flexible wire body, the volume
Knit and be provided with skin of paint outside cover, braiding cover for prevent paint across.
Further, the braiding cover is woven by least one of cotton thread and chemical fibre material.
Further, its internal bolt head is covered and is sheathed in the braiding or nut fits closely.
Further, the braiding is covered and is sheathed on bonds between its internal bolt head or nut.
On the other hand, the utility model uses following technical scheme：
A kind of flange assembly, the flange assembly include two ring flanges being oppositely arranged and any of the above-described bolt
Nut assembly；It is connected with the nut by the mutually matched bolt between two ring flanges；The flange assembly
Further include screw rod anticorrosion structure, the screw rod anticorrosion structure is located at two ring flanges in the screw rod periphery of the bolt and sealing
Between gap.
Further, the screw rod anticorrosion structure includes the guard circle made of cellular rubber.
Further, the guard circle is arranged between the interface of two ring flanges；The guard circle is by one
Cellular rubber item is surrounded and is formed.
Further, the upper surface of the guard circle and the interface of one of them ring flange bond, the protection
The lower face of circle and the interface of another ring flange bond.
Further, the periphery of two ring flanges be enclosed with aluminium-foil paper on the outside of the guard circle, masking foil,
Or adhesive tape.
Further, in the periphery mopping of two ring flanges and the guard circle.
The beneficial effects of the utility model are as follows：
Bolt and nut component and flange assembly provided by the utility model weave cover on nuts and bolt head on set, then
Paint is brushed on braiding cover, the skin of paint that paint is formed after having done can form protection, anti-corrosion effect to braiding cover and bolt
It is good, and weave the dismounting that cover is then conducive to skin of paint.In demounting bolt nut, as long as braiding cover is knocked out or is pried open, very
It is convenient, and excessive paint will not be remained on nut, the dismounting of bolt and nut is not influenced.
Description of the drawings
Fig. 1 is the structural schematic diagram for the flange assembly that the utility model embodiment provides；
Fig. 2 is the sectional view for the flange assembly that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram for the guard circle that the utility model embodiment provides.
In figure：
1, ring flange；2, bolt；3, nut；4, braiding cover；5, guard circle；6, pipeline；
21, bolt head；22, screw rod.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Embodiment：
The embodiments of the present invention provide a kind of flange assembly, preferably but are not limited to apply in water especially
In the wet environments such as seawater, it is also applicable in the environment that other are easily corroded.
As depicted in figs. 1 and 2, flange assembly provided in this embodiment includes that bolt and nut component and two are oppositely arranged
Ring flange 1.Two ring flanges 1 are connected from different pipelines 6 respectively.Wherein, bolt and nut component include bolt 2 and with bolt 2
The nut 3 being used cooperatively, passes through bolt 2 between two ring flanges 1 and nut 3 connects.Understandably, between two ring flanges 1
The distribution of the quantity and bolt 2 and nut 3 of used bolt 2 and nut 3 can be configured according to specific needs, Neng Gouman
It is effectively connected between two ring flanges 1 of foot.The outside of the bolt head 21 of nut 3 and bolt 2 is coated with braiding cover 4, braiding
Cover 4 is woven by flexible wire body, and skin of paint (not shown) is provided with outside braiding cover 4.Understandably, braiding cover 4 is one
End opening, the closed structure in one end.Braiding cover 4 can be woven by cotton thread；Braiding cover 4 can also preferably be changed by water resistance
It learns fiber to weave, such as terylene, polyamide fibre, spandex etc.；Certainly, braiding cover 4 can also be by cotton thread and chemical fibre material
Co-knit forms.The count of braiding cover 4 is as big as possible, to prevent paint across braiding cover 4.Understandably, only in spiral shell
A upper setting braiding cover 4 and skin of paint in bolt head 21 and nut 3 also belong to the disposable embodiment of the present embodiment.
The braiding cover 4 on set on nut 3 and bolt head 21, then paint is brushed on braiding cover 4, paint forms oil after having done
Enamelled coating, skin of paint can form protection, favorable anti-corrosion effect to braiding cover 4, bolt 2 and nut 3, and weave cover 4 and be then conducive to paint
The dismounting of layer.It is very convenient as long as knocking out or prying open braiding cover 4 in demounting bolt nut, and will not be in spiral shell
Excessive paint is remained on bolt 2 and nut 3, does not influence the dismounting of bolt and nut.
Bolt and nut component and flange assembly provided in this embodiment can be installed by bolt and nut component to flange group
After on part, installation braiding cover 4.Preferably, the bolt head 21 internal with it is sheathed on of braiding cover 4 or nut 3 fit closely.For
It prevents braiding cover 4 from falling off, braiding cover 4 and being sheathed between its internal bolt head 21 or nut 3 can be bonded.
Be located in order to prevent the screw rod 22 between two ring flanges 1 be corroded, with further increase bolt and nut component and
The stability of flange assembly structure, flange assembly provided in this embodiment further include screw rod anticorrosion structure, screw rod anticorrosion structure position
In 22 periphery of screw rod and seal the gap between two ring flanges 1.
Referring to Fig. 1 and Fig. 2, which includes guard circle 5 made of cellular rubber.The guard circle
5 preferably but be not limited between the interface for being arranged in two ring flanges 1, with using rubber-plastic sponge ductility and Expansion sealing
Property, the irregular surface progress effectively filling protection between two 1 interfaces of ring flange, and can be according to 1 joint face of ring flange
Void size selection different in width cellular rubber.The outer wall of guard circle 5 is preferably substantially coplanar with the outer wall of ring flange 1.
Understandably, in other embodiments, the packet of guard circle 5 can also be enabled set on the periphery of two ring flanges 1 and block two flanges
Gap between disk 1.
Fig. 3 is please referred to, in order to facilitate the installation of, guard circle 5 is preferably surrounded by a cellular rubber item and formed.Installation
When, between can one end of cellular rubber item being first arranged in two ring flanges 1, then gradually by whole cellular rubber item stick into
Between two ring flanges 1, until cellular rubber item forms the annular being closed.In order to avoid guard circle 5 falls off, guard circle 5 it is upper
End face and the interface of one of ring flange 1 are bonded by binder, lower face and the other in which ring flange of guard circle 5
1 interface is bonded by binder, to rely on the fastness of the portability and adhesive of cellular rubber material, the guarantor after bonding
Guard ring 5 is not easily to fall off can to keep high efficient protected for a long time, so that the screw rod 22 of bolt 2 is thoroughly kept apart with surrounding wet environment, reach
To anti-corrosion, rust-proof effect.The corrosion protection of end face between flange of guard circle 5 made of the cellular rubber be existing aseptic technic without
What method was realized, and being capable of cost efficiency.
In order to which whole anti-corrosion effect is more preferably with whole aesthetics, it can be located in the periphery of two ring flanges 1 package and protect
Aluminium-foil paper, masking foil or the adhesive tape in 5 outside of guard ring；Alternatively, in the periphery mopping of two ring flanges 1 and guard circle 5.So not
Only increase aesthetics, and leakproofness, ageing resistance is made further to be promoted.At least two bolts are installed simultaneously on a flange
2 and two nuts 3, wherein installing braiding cover 4 provided in this embodiment, guard circle 5 on a bolt 2 and nut 3, and covered in braiding
Coating is painted outside 4, is not protected on remaining bolt 2 and nut 3.By nearly experiment in 6 months, guard circle 5 and protection are dismantled
After cap, does not make the bolt protected 2 and different degrees of corrosion occurs in nut 3；And use braiding provided in this embodiment
The screw bolt and nut 3 of cover 4 and guard circle 5 and state when installation are essentially identical, do not corrode appearance.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art would not require any inventive effort the other specific implementation modes that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of bolt and nut component, including bolt and the nut that is used cooperatively with the bolt, which is characterized in that the nut
Be coated with braiding cover with the outside of at least one of the bolt head of the bolt, the braiding cover woven by flexible wire body and
Be provided with skin of paint at, braiding cover is external, the braiding cover for prevent from painting across.
2. bolt and nut component according to claim 1, which is characterized in that the braiding cover is by cotton thread and chemical fibre
At least one material weave.
3. bolt and nut component according to claim 1, which is characterized in that the braiding cover and the institute for being sheathed on its inside
It states bolt head or the nut fits closely.
4. bolt and nut component according to any one of claims 1 to 3, which is characterized in that the braiding is covered and is sheathed on
It is bonded between its internal bolt head or the nut.
5. a kind of flange assembly, which is characterized in that the flange assembly includes two ring flanges being oppositely arranged and as right is wanted
Seek 1 to 4 any bolt and nut component；Pass through the mutually matched bolt and the spiral shell between two ring flanges
Mother's connection；The flange assembly further includes screw rod anticorrosion structure, and the screw rod anticorrosion structure is located at the screw rod periphery of the bolt
And seal the gap between two ring flanges.
6. flange assembly according to claim 5, which is characterized in that the screw rod anticorrosion structure includes by cellular rubber system
At guard circle.
7. flange assembly according to claim 6, which is characterized in that the guard circle is arranged in two ring flanges
Between interface；The guard circle is surrounded by a cellular rubber item and is formed.
8. flange assembly according to claim 7, which is characterized in that the upper surface of the guard circle and one of flange
The interface of disk bonds, and the lower face of the guard circle and the interface of another ring flange bond.
9. according to claim 6 to 8 any one of them flange assembly, which is characterized in that the periphery packet of two ring flanges
Aluminium-foil paper, masking foil or the adhesive tape being wrapped on the outside of the guard circle.
10. according to claim 6 to 8 any one of them flange assembly, which is characterized in that in two ring flanges and described
The periphery mopping of guard circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397274.2U CN208040898U (en) | 2018-03-22 | 2018-03-22 | A kind of bolt and nut component and flange assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397274.2U CN208040898U (en) | 2018-03-22 | 2018-03-22 | A kind of bolt and nut component and flange assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040898U true CN208040898U (en) | 2018-11-02 |
Family
ID=63948424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820397274.2U Expired - Fee Related CN208040898U (en) | 2018-03-22 | 2018-03-22 | A kind of bolt and nut component and flange assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278264A (en) * | 2018-03-22 | 2018-07-13 | 中国海洋石油集团有限公司 | A kind of bolt and nut component and flange assembly |
-
2018
- 2018-03-22 CN CN201820397274.2U patent/CN208040898U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278264A (en) * | 2018-03-22 | 2018-07-13 | 中国海洋石油集团有限公司 | A kind of bolt and nut component and flange assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |