CN209484096U - A kind of corrosion-and high-temp-resistant bellows - Google Patents
A kind of corrosion-and high-temp-resistant bellows Download PDFInfo
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- CN209484096U CN209484096U CN201822171251.2U CN201822171251U CN209484096U CN 209484096 U CN209484096 U CN 209484096U CN 201822171251 U CN201822171251 U CN 201822171251U CN 209484096 U CN209484096 U CN 209484096U
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Abstract
The utility model discloses a kind of corrosion-and high-temp-resistant bellowss, including ripple pipe shell, the side of the ripple pipe shell is provided with nut, the side of the nut is equipped with corrugated pipe connector, the nut is internally provided with fixed circlip, external screw thread is provided on the outer wall of the ripple pipe shell, and external screw thread is structure as a whole with ripple pipe shell, the ripple pipe shell is internally provided with etch resistant layer, adhesive is provided on the inner wall of the etch resistant layer, polyethylene layer is provided on the inner wall of the adhesive, high-temperature-resistant layer is provided on the inner wall of the polyethylene layer, steel band is provided on the inner wall of the high-temperature-resistant layer, adhering resin is provided on the inner wall of the steel band, noise reduction layer is provided on the inner wall of the adhering resin, internal screw thread is provided on the inner wall of the ripple pipe shell.The utility model improves heat-resisting, the corrosion resistance of bellows by the way that etch resistant layer and high-temperature-resistant layer are arranged on the outer wall of bellows.
Description
Technical field
The utility model relates to Bellows Technology field, specially a kind of corrosion-and high-temp-resistant bellows.
Background technique
Bellows refers to the tubular elastomeric sensing element connected into foldable wrinkle piece along folding retractable direction.Bellows
Be widely used in instrument and meter, be mainly used for the measuring cell as pressure measuring instruments, convert pressure into displacement or
Power.Bellows wide variety mainly includes metal bellows, expansion bellow, corrugated tube, diaphragm and diaphragm capsule and metal hose
Deng.Metal bellows is mainly used in the effects of compensation pipes thermal deformation, damping, absorption line sedimentation and deformation, is widely used in
The industries such as petrochemical industry, instrument, space flight, chemical industry, electric power, cement, metallurgy.Corrugated stainless steel tubing is installed as a kind of flexible pressure-resistant pipe fitting
In liquid conveying system, to compensate the mutual displacement of tubing or machine, equipment connecting pin, vibrational energy, Neng Gouqi are absorbed
The effects of to vibration damping, noise reduction, have the characteristics that flexible, light weight, corrosion-resistant, antifatigue, high-low temperature resistant etc. are multinomial.Plastics etc. its
His material bellows has irreplaceable role in the fields such as medium conveying, electric power threading, lathe, household electrical appliances.
But existing bellows is after long-term use vulnerable to the corrosion of pumped (conveying) medium, and heat resistance is not high；Therefore,
It is unsatisfactory for existing demand, we have proposed a kind of corrosion-and high-temp-resistant bellowss to this.
Utility model content
The purpose of this utility model is to provide a kind of corrosion-and high-temp-resistant bellowss, to solve to mention in above-mentioned background technique
Existing bellows out is after long-term use vulnerable to the corrosion of pumped (conveying) medium, and the problem that heat resistance is not high.
To achieve the above object, the utility model provides the following technical solutions: a kind of corrosion-and high-temp-resistant bellows, including
Ripple pipe shell, the side of the ripple pipe shell are provided with nut, and the side of the nut is equipped with corrugated pipe connector, described
Nut is internally provided with fixed circlip, and external screw thread, and external screw thread and bellows are provided on the outer wall of the ripple pipe shell
Shell is structure as a whole, and the ripple pipe shell is internally provided with etch resistant layer, is provided on the inner wall of the etch resistant layer
Adhesive is provided with polyethylene layer on the inner wall of the adhesive, high-temperature-resistant layer, institute is provided on the inner wall of the polyethylene layer
State and be provided with steel band on the inner wall of high-temperature-resistant layer, be provided with adhering resin on the inner wall of the steel band, the adhering resin it is interior
It is provided with noise reduction layer on wall, internal screw thread is provided on the inner wall of the ripple pipe shell, and internal screw thread and ripple pipe shell are one
Body structure.
Preferably, the ripple pipe shell is threadedly coupled by nut with corrugated pipe connector.
Preferably, the adhesive is arranged between etch resistant layer and polyethylene layer.
Preferably, the side of the fixed circlip is provided with sealing ring, and sealing ring and fixed circlip are interference fitted.
Preferably, the adhering resin is arranged between steel band and noise reduction layer.
Preferably, the centre point of the ripple pipe shell is overlapped with the centre point of fixed circlip.
Compared with prior art, the utility model has the beneficial effects that
1, for the utility model by setting anti-corrosion layer, etch resistant layer is epoxide powder coating, is a kind of with corrosion-resistant
The thermosetting powder coating of property and toughness, can effectively improve the corrosion resistance of tubing.
2, by setting high-temperature-resistant layer, high-temperature-resistant layer is mainly made of mineral wool, mineral wool thermal conductivity Go-to-and-fro, heat-proof quality
It is good, it can be improved the heat resistance of bellows.
3, by setting noise reduction layer, noise reduction layer is mainly made of silencing cotton, can reduce and generate in bellows use process
Noise, and the inner wall of bellows is arranged in noise reduction layer, can be avoided directly contacting for ripple inside pipe wall and air, improves wave
The corrosion resistance of line inside pipe wall.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model；
Fig. 3 is partial enlarged view at the A of the utility model；
In figure: 1, ripple pipe shell；101, etch resistant layer；102, adhesive；103, polyethylene layer；104, high-temperature-resistant layer；
105, steel band；106, adhering resin；107, noise reduction layer；2, nut；3, corrugated pipe connector；4, fixed circlip；5, sealing ring；6, outer
Screw thread；7, internal screw thread.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of corrosion-and high-temp-resistant bellows, including wave
Line pipe shell 1, the side of ripple pipe shell 1 are provided with nut 2, and nut 2 plays the role of fixed corrugated pipe connector 3, nut 2
Side corrugated pipe connector 3 is installed, nut 2 is internally provided with fixed circlip 4, and fixed circlip 4 makes bellows and bellows
The connection of connector 3 is more firm, external screw thread 6 is provided on the outer wall of ripple pipe shell 1, and external screw thread 6 is with ripple pipe shell 1
Integral structure, ripple pipe shell 1 are internally provided with etch resistant layer 101, and etch resistant layer 101 is epoxide powder coating, Neng Gouyou
Effect improves the corrosion resistance of tubing, is provided with adhesive 102 on the inner wall of etch resistant layer 101, sets on the inner wall of adhesive 102
It is equipped with polyethylene layer 103, high-temperature-resistant layer 104 is provided on the inner wall of polyethylene layer 103, high-temperature-resistant layer 104 is mainly by mineral wool
It constituting, heat-proof quality is good, and steel band 105 is provided on the inner wall of high-temperature-resistant layer 104, and steel band 105 enhances the ring stiffness of bellows,
It is provided with adhering resin 106 on the inner wall of steel band 105, noise reduction layer 107, noise reduction layer 107 are provided on the inner wall of adhering resin 106
It is mainly made of silencing cotton, can reduce the noise generated in bellows use process, be provided on the inner wall of ripple pipe shell 1
Internal screw thread 7, and internal screw thread 7 is structure as a whole with ripple pipe shell 1.
Further, ripple pipe shell 1 is threadedly coupled by nut 2 with corrugated pipe connector 3, and nut 2 plays fixed ripple
The effect of pipe shell 1 and corrugated pipe connector 3 makes the connection of bellows and other tubing or component by installing corrugated pipe connector 3
It is more convenient.
Further, adhesive 102 is arranged between etch resistant layer 101 and polyethylene layer 103, and adhesive 102 plays solid
Determine the effect of etch resistant layer 101 and polyethylene layer 103, the etch resistant layer 101 of top is epoxide powder coating, epoxide powder coating
It is a kind of thermosetting powder coating with corrosion resistance and toughness, the corrosion resistance of tubing can be effectively improved.
Further, the side of fixed circlip 4 is provided with sealing ring 5, and sealing ring 5 and fixed circlip 4 are interference fitted, sealing
Circle 5 improves the sealing performance of corrugated pipe connector 3, ensure that air-tightness when bellows connection.
Further, adhering resin 106 is arranged between steel band 105 and noise reduction layer 107, and adhering resin 106 plays fixation
The steel band 105 of the effect of steel band 105 and noise reduction layer 107,106 top of adhering resin enhances the ring stiffness of bellows, noise reduction layer
107 are mainly made of silencing cotton, can reduce the noise generated in bellows use process.
Further, the centre point of ripple pipe shell 1 is overlapped with the centre point of fixed circlip 4, and fixed circlip 4 can make ripple
Nut 2 and the connection of corrugated pipe connector 3 on pipe shell 1 is more stable, prevents nut 2 from loosening.
Working principle: in use, corrugated pipe connector 3 to be mounted on to one end of bellows by nut 2, make bellows and its
Its tubing or component are more convenient when connecting, and the ripple struction inside and outside bellows can be improved the tension resistance performance of itself, wave
The surface of line pipe shell 1 is provided with etch resistant layer 101, and etch resistant layer 101 is epoxide powder coating, is a kind of with corrosion resistance
With the thermosetting powder coating of toughness, the corrosion resistance of tubing can be effectively improved, is arranged on the inner wall of etch resistant layer 101
There is high-temperature-resistant layer 104, high-temperature-resistant layer 104 is mainly made of mineral wool, and mineral wool thermal conductivity Go-to-and-fro, heat-proof quality is good, can be improved
The heat resistance of bellows is provided with steel band 105 on the inner wall of high-temperature-resistant layer 104, and the ring that steel band 105 enhances bellows is rigid
It spends, is provided with noise reduction layer 107 on the inner wall of steel band 105, noise reduction layer 107 is mainly made of silencing cotton, and can reduce bellows makes
With the noise generated in the process.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of corrosion-and high-temp-resistant bellows, including ripple pipe shell (1), it is characterised in that: the ripple pipe shell (1)
Side is provided with nut (2), and the side of the nut (2) is equipped with corrugated pipe connector (3), the inside setting of the nut (2)
Have fixed circlip (4), be provided with external screw thread (6) on the outer wall of the ripple pipe shell (1), and outside external screw thread (6) and bellows
Shell (1) is structure as a whole, and the ripple pipe shell (1) is internally provided with etch resistant layer (101), the etch resistant layer (101)
Inner wall on be provided with adhesive (102), be provided with polyethylene layer (103) on the inner wall of the adhesive (102), the poly- second
It is provided on the inner wall of alkene layer (103) high-temperature-resistant layer (104), is provided with steel band on the inner wall of the high-temperature-resistant layer (104)
(105), it is provided with adhering resin (106) on the inner wall of the steel band (105), is arranged on the inner wall of the adhering resin (106)
Have noise reduction layer (107), be provided with internal screw thread (7) on the inner wall of the ripple pipe shell (1), and outside internal screw thread (7) and bellows
Shell (1) is structure as a whole.
2. a kind of corrosion-and high-temp-resistant bellows according to claim 1, it is characterised in that: the ripple pipe shell (1)
It is threadedly coupled by nut (2) with corrugated pipe connector (3).
3. a kind of corrosion-and high-temp-resistant bellows according to claim 1, it is characterised in that: the adhesive (102) sets
It sets between etch resistant layer (101) and polyethylene layer (103).
4. a kind of corrosion-and high-temp-resistant bellows according to claim 1, it is characterised in that: the fixed circlip (4)
Side is provided with sealing ring (5), and sealing ring (5) and fixed circlip (4) are interference fitted.
5. a kind of corrosion-and high-temp-resistant bellows according to claim 1, it is characterised in that: the adhering resin (106)
It is arranged between steel band (105) and noise reduction layer (107).
6. a kind of corrosion-and high-temp-resistant bellows according to claim 1, it is characterised in that: the ripple pipe shell (1)
Centre point be overlapped with the centre point of fixed circlip (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171251.2U CN209484096U (en) | 2018-12-24 | 2018-12-24 | A kind of corrosion-and high-temp-resistant bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171251.2U CN209484096U (en) | 2018-12-24 | 2018-12-24 | A kind of corrosion-and high-temp-resistant bellows |
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| CN209484096U true CN209484096U (en) | 2019-10-11 |
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| CN201822171251.2U Active CN209484096U (en) | 2018-12-24 | 2018-12-24 | A kind of corrosion-and high-temp-resistant bellows |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460378A (en) * | 2020-12-11 | 2021-03-09 | 江苏百事得波纹管有限公司 | Novel high-temperature-resistant and dustproof corrugated pipe |
-
2018
- 2018-12-24 CN CN201822171251.2U patent/CN209484096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460378A (en) * | 2020-12-11 | 2021-03-09 | 江苏百事得波纹管有限公司 | Novel high-temperature-resistant and dustproof corrugated pipe |
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