CN208735097U - A kind of straight pipe pressure-equalizing corrugated pipe expansion joint - Google Patents
A kind of straight pipe pressure-equalizing corrugated pipe expansion joint Download PDFInfo
- Publication number
- CN208735097U CN208735097U CN201820411476.8U CN201820411476U CN208735097U CN 208735097 U CN208735097 U CN 208735097U CN 201820411476 U CN201820411476 U CN 201820411476U CN 208735097 U CN208735097 U CN 208735097U
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- China
- Prior art keywords
- flange
- tube body
- outer tube
- positioning disk
- connecting plate
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Abstract
The utility model relates to a kind of straight pipe pressure-equalizing corrugated pipe expansion joints, including outer tube body, interior tube body and bellows, outer tube body side is equipped with first flange, the other side is equipped with the first positioning disk, interior tube body side is equipped with the second positioning disk, the other side is equipped with second flange, second positioning disk is equipped with the first inner conical surface, between second flange and interior tube body, the second inner conical surface is equipped between first flange and outer tube body, several first wing plates and the second wing plate are respectively equipped in first flange and second flange, guiding trestle is equipped between first wing plate and the second wing plate, annular groove is equipped in first flange and second flange, connecting plate is equipped between bellows and first flange and second flange；The utility model structure novel is compact, and fluid friction resistance is small, and pressure-resistant stopping property is good, using interior tube body and outer tube body cooperation guiding, guiding trestle elastic reaction is avoided, keeps bellow-type expansion effect sensitiveer, play the role of reducing pipe deforming and improves pipeline service life.
Description
Technical field
The utility model relates to a kind of expansion joint, especially a kind of straight pipe pressure-equalizing corrugated pipe expansion joint.
Background technique
Expansion bellow can play telescopic action be mainly the function of being realized by bellows, to expansion bellow and
Intensity Design is mainly design to bellows, to the different designs and combination of bellows, bellows can be made to stretch, compression or
Bending, to form the expansion bellow of axial, lateral, angular three kinds of citation forms.Existing straight-tube pressure-balance expansion
Section is additional stress caused by compensating because of temperature difference and mechanical oscillation, and a kind of flexible knot being arranged on container casing or pipeline
Structure is typically employed on the flange of corrugated stainless steel tubing two sides and guiding support structure is arranged, the flexible of bellows is made to be maintained at pipe
It is moved on the axis of part, but this structure often has that fluid friction resistance is larger, and guiding trestle tip-clearance is small, required thrust
It is larger, lead to be easy to produce elastic reaction, bellows stretches insensitive, compensating action decline.
Utility model content
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of straight pipe pressure-equalizing corrugated tube swelling
Section, fluid friction resistance is small, and pressure-resistant stopping property is good, using interior tube body and outer tube body cooperation guiding, avoids guiding trestle elasticity anti-
Power keeps bellow-type expansion effect sensitiveer, plays the role of reducing pipe deforming and improves pipeline service life.
The utility model is achieved by the following technical solutions:
A kind of straight pipe pressure-equalizing corrugated pipe expansion joint, including outer tube body, interior tube body and bellows, wherein the outer tube
Body side is equipped with first flange, and the other side is equipped with the first positioning disk, and the first positioning disk inner wall is matched with interior tube body outer wall gap
It closes, said inner tube body side is equipped with the second positioning disk, and the other side is equipped with second flange, and second positioning disk is located at the first guiding
Disk side, and outer wall and outer tube body inner wall clearance fit, second positioning disk are equipped with the first inner conical surface, the second flange
Between interior tube body, it is equipped with the second inner conical surface between first flange and outer tube body, divides in the first flange and second flange
Not She You several first wing plates and the second wing plate, between first wing plate and the second wing plate be equipped with guiding trestle, the guiding
Bracket both ends are equipped with location nut；
Annular groove is equipped in the first flange and second flange, the bellows is located at outside outer tube body, and with first
It is equipped with connecting plate, the L-shaped structure in connecting plate section, and side between flange and second flange and is equipped with bulge loop, the bulge loop
Cooperate with annular groove shape.
Above-mentioned a kind of straight pipe pressure-equalizing corrugated pipe expansion joint, wherein the first flange and second flange surface are all provided with
There is sealing ring, the sealing ring includes V shaped slab and arc panel, and the arc board ends are connected with V shaped slab both ends.
Above-mentioned a kind of straight pipe pressure-equalizing corrugated pipe expansion joint, wherein the connecting plate is equipped with several hex(agonal)screws, leads to
It crosses hex(agonal)screw and realizes that connecting plate is connected with first flange and second flange with first flange and second flange across connecting plate.
Above-mentioned a kind of straight pipe pressure-equalizing corrugated pipe expansion joint, wherein the number of the guiding trestle is three, and around the
The setting of one flange uniform intervals.
The utility model has the following beneficial effects:
The utility model structure novel is compact, design rationally, using easy to assembly, constituted using V shaped slab and arc panel
Sealing ring sealing assembly first flange and second flange, the outer tube body and interior tube body of the second inner conical surface of band pass through in the first positioning disk
Wall and interior tube body outer wall clearance fit, the second positioning disk outer wall and outer tube body inner wall clearance fit form set and axially directed work
With, and fluid friction resistance is reduced with the second inner conical surface, and axial stability is good, to reduce the number and cost of guiding trestle,
It avoids guiding trestle from rubbing when being axially moved small, is not likely to produce reaction force, L shape connecting plate is cooperated with bulge loop and annular groove shape
It is stably connected with, to keep bellow-type expansion effect sensitiveer, play the role of reducing pipe deforming and improve pipeline service life.
Detailed description of the invention
Fig. 1 is the utility model structure chart.
Fig. 2 is the half-sectional structure chart of the utility model.
(in figure, outer tube body 1, interior tube body 2 and bellows 3, first flange 4, the first positioning disk 5, the second positioning disk 6, second
Flange 7, the first inner conical surface 8, the second inner conical surface 9, the first wing plate 10 and the second wing plate 11, guiding trestle 12, location nut 13 are close
Seal ring 14, V shaped slab 15, arc panel 16, annular groove 17, connecting plate 18, bulge loop 19, hex(agonal)screw 20).
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.
A kind of 3 expansion joint of straight pipe pressure-equalizing corrugated pipe, including outer tube body 1, interior tube body 2 and bellows 3, wherein described
1 side of outer tube body is equipped with first flange 4, and the other side is equipped with the first positioning disk 5, outside 5 inner wall of the first positioning disk and interior tube body 2
Wall clearance fit, 2 side of said inner tube body are equipped with the second positioning disk 6, and the other side is equipped with second flange 7, second positioning disk 6
Positioned at 5 side of the first positioning disk, and outer wall and 1 inner wall clearance fit of outer tube body, second positioning disk 6 are equipped with the first inner cone
Face 8 between the second flange 7 and interior tube body 2, is equipped with the second inner conical surface 9 between first flange 4 and outer tube body 1, and described
Several first wing plates 10 and the second wing plate 11, first wing plate 10 and the second wing are respectively equipped on one flange 4 and second flange 7
Guiding trestle 12 is equipped between plate 11,12 both ends of guiding trestle are equipped with location nut 13, the number of the guiding trestle 12
It is three, and is arranged around 4 uniform intervals of first flange；
The first flange 4 and 7 surface of second flange are equipped with sealing ring 14, the sealing ring 14 include V shaped slab 15 and
Arc panel 16,16 both ends of arc panel are connected with 15 both ends of V shaped slab, are equipped with ring in the first flange 4 and second flange 7
Slot 17, the bellows 3 are located at outside outer tube body 1, and connecting plate 18 is equipped between first flange 4 and second flange 7, described
The L-shaped structure in 18 section of connecting plate, and side is equipped with bulge loop 19, the bulge loop 19 cooperates with 17 shape of annular groove, the connecting plate
18 are equipped with several hex(agonal)screws 20, pass through connecting plate 18 and first flange 4 by hex(agonal)screw 20 and second flange 7 is realized and connected
Fishplate bar 18 is connected with first flange 4 and second flange 7
The working method of the utility model are as follows:
By several hex(agonal)screws 20 in bulge loop 19 and close installation bellows 3 under the cooperation of 17 shape of annular groove, by V shaped slab
15 and arc panel 16 constitute sealing ring 14 limit cooperation sealing under, be tightly connected by first flange 4 and second flange 7 into pipe
Road, the first inner conical surface 8 and the second inner conical surface 9 play the role of reducing fluid resistance, when bellows 3 is shunk, by connecting plate 18
It drives first flange 4 and second flange 7 to reduce spacing, makes outer tube body 1 and interior tube body 2 in the first positioning disk 5 and 2 gap of interior tube body
Cooperation, the second positioning disk 6 and relative displacement under 1 clearance fit of outer tube body, guarantee the stability axially run, at this time the first wing plate
10 and second axial displacement on guiding trestle 12 of wing plate 11, supporting & stablizing rub small, movement response is sensitive, works as bellows
When 3 expansion, inverted running to location nut 13 offsets with the first wing plate 10 and the second wing plate 11, realizes straight pipe pressure-equalizing, rises
To the effect for reducing pipe deforming and raising pipeline service life.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should all cover within the protection scope of the present utility model.Therefore, the protection scope of the utility model should be with
Subject to the protection scope of claims.
Claims (2)
1. a kind of straight pipe pressure-equalizing corrugated pipe expansion joint, including outer tube body, interior tube body and bellows, it is characterized in that, it is described outer
Tube body side is equipped with first flange, and the other side is equipped with the first positioning disk, the first positioning disk inner wall and interior tube body outer wall gap
Cooperation, said inner tube body side are equipped with the second positioning disk, and the other side is equipped with second flange, and second positioning disk, which is located at first, leads
To disk side, and outer wall and outer tube body inner wall clearance fit, second positioning disk are equipped with the first inner conical surface, second method
Between blue and interior tube body, the second inner conical surface is equipped between first flange and outer tube body, in the first flange and second flange
It is respectively equipped with several first wing plates and the second wing plate, guiding trestle is equipped between first wing plate and the second wing plate, it is described to lead
Location nut is equipped with to bracket both ends；
Annular groove is equipped in the first flange and second flange, the bellows is located at outside outer tube body, and and first flange
It is equipped with connecting plate, the L-shaped structure in connecting plate section, and side between second flange and is equipped with bulge loop, the bulge loop and ring
Groove shape cooperation；
The first flange and second flange surface are equipped with sealing ring, and the sealing ring includes V shaped slab and arc panel, the arc
Shape board ends are connected with V shaped slab both ends；
The connecting plate is equipped with several hex(agonal)screws, passes through connecting plate and first flange by hex(agonal)screw and second flange is real
Existing connecting plate is connected with first flange and second flange；
2. a kind of straight pipe pressure-equalizing corrugated pipe expansion joint as described in claim 1, it is characterized in that, the number of the guiding trestle
Mesh is three, and is arranged around first flange uniform intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411476.8U CN208735097U (en) | 2018-03-26 | 2018-03-26 | A kind of straight pipe pressure-equalizing corrugated pipe expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411476.8U CN208735097U (en) | 2018-03-26 | 2018-03-26 | A kind of straight pipe pressure-equalizing corrugated pipe expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208735097U true CN208735097U (en) | 2019-04-12 |
Family
ID=66021424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820411476.8U Expired - Fee Related CN208735097U (en) | 2018-03-26 | 2018-03-26 | A kind of straight pipe pressure-equalizing corrugated pipe expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208735097U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427179A (en) * | 2021-07-05 | 2021-09-24 | 江苏新宏大集团有限公司 | Portable flange plate welding equipment in chemical pipeline installation engineering |
| CN114746686A (en) * | 2019-12-03 | 2022-07-12 | Vat控股公司 | Device for connecting fluid-conducting pipes and/or chambers |
| CN117167577A (en) * | 2023-08-28 | 2023-12-05 | 中国船舶集团有限公司第七一九研究所 | A pressure-resistant balanced vibration damping pipe for ships and its preparation method |
-
2018
- 2018-03-26 CN CN201820411476.8U patent/CN208735097U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114746686A (en) * | 2019-12-03 | 2022-07-12 | Vat控股公司 | Device for connecting fluid-conducting pipes and/or chambers |
| CN113427179A (en) * | 2021-07-05 | 2021-09-24 | 江苏新宏大集团有限公司 | Portable flange plate welding equipment in chemical pipeline installation engineering |
| CN117167577A (en) * | 2023-08-28 | 2023-12-05 | 中国船舶集团有限公司第七一九研究所 | A pressure-resistant balanced vibration damping pipe for ships and its preparation method |
| CN117167577B (en) * | 2023-08-28 | 2024-03-12 | 中国船舶集团有限公司第七一九研究所 | Pressure-resistant balance vibration-damping connecting pipe for ship and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20210326 |