CN206846162U - A kind of high-temperature resistant corrugated expansion joint - Google Patents
A kind of high-temperature resistant corrugated expansion joint Download PDFInfo
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- CN206846162U CN206846162U CN201720774195.4U CN201720774195U CN206846162U CN 206846162 U CN206846162 U CN 206846162U CN 201720774195 U CN201720774195 U CN 201720774195U CN 206846162 U CN206846162 U CN 206846162U
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- Prior art keywords
- guide shell
- bellows
- ring
- temperature resistant
- oblique
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Abstract
It the utility model is related to bellow-type expansion device field, more particularly to a kind of high-temperature resistant corrugated expansion joint, including flange, screw bolt and nut, the inner surface setting of the bellows has long oblique ring, positioned at the oblique ring left bank of length of the extension position left end of bellows 1/2, positioned at the oblique ring right bank of length of the extension position right-hand member of bellows 1/2；Bellows interior left end is provided with the left guide shell of high temperature resistant material, and bellows interior right-hand member is provided with the right guide shell of high temperature resistant material；The short oblique ring being tilted to the right is provided with outside left guide shell, the short oblique ring being tilted to the left is provided with outside right guide shell, installed between left guide shell, right guide shell and bellows by short tiltedly ring and the long oblique mutual fit of ring, some closing spaces are formed, and heat-resistant filler is filled with the closing space；Left end opening, the right-end openings of right guide shell of the left guide shell are provided with circular arc chamfering.The utility model fire-resistant high-performance is good, and baffling resistance is smaller, has preferable promotional value.
Description
Technical field
It the utility model is related to bellow-type expansion device field, and in particular to a kind of high-temperature resistant corrugated expansion joint.
Background technology
In high-temperature medium transmission pipeline network, compensate Pipe installing error frequently with corrugated expansion joint, expand with heat and contract with cold.Existing ripple
Line pipe compensator fills heat-resistant filler in ripple tube cavity, with thermal insulation protection bellows.Existing corrugated expansion joint it is main
Defect is：Left guide shell, the gap of right guide shell fit can wear increasing, and the time is longer, and gap is bigger, and filler is easily from a left side
Guide shell, right guide shell fit gap in be lost in pipeline, cause the filler in ripple tube cavity to be lost in, the resistance to height of bellows
Warm poor performance, easily failure, service life are short.
Therefore, based on above-mentioned, the utility model provides a kind of high-temperature resistant corrugated expansion joint, by bellows and leading
The Structure Improvement Design of flow cartridge, makes the resistance to elevated temperatures of corrugated expansion joint be strengthened, and ensures the use of corrugated expansion joint
Life-span, so as to solve the shortcomings of the prior art and defect.
Utility model content
The purpose of this utility model is that：For the above mentioned problem that presently, there are, there is provided a kind of heat-resisting bellows are mended
Device is repaid, by the Structure Improvement Design to bellows and guide shell, makes the resistance to elevated temperatures of corrugated expansion joint be strengthened,
Ensure the service life of corrugated expansion joint, so as to solve the shortcomings of the prior art and defect.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of high-temperature resistant corrugated expansion joint, including it is symmetricly set on the flange at bellows both ends and for mounting flange
Screw bolt and nut, the inner surface setting of the bellows has long oblique ring, positioned at the oblique ring of length of the extension position left end of bellows 1/2
It is tilted to the left, positioned at the oblique ring right bank of length of the extension position right-hand member of bellows 1/2；Bellows interior left end is provided with high temperature resistant
The left guide shell of material, bellows interior right-hand member are provided with the right guide shell of high temperature resistant material；Set outside left guide shell oriented
Right-oblique short oblique ring, is provided with the short oblique ring being tilted to the left outside right guide shell, left guide shell, right guide shell and bellows it
Between pass through short tiltedly ring and installed with the long oblique mutual fit of ring；Long oblique ring is installed to form some closing spaces with the short tiltedly mutual fit of ring,
And heat-resistant filler is filled with the closing space；Left end opening, the right-end openings of right guide shell of the left guide shell are equal
It is provided with circular arc chamfering.
On the one hand the utility model by setting long oblique ring in bellows, is set short in left guide shell and right guide shell
Oblique ring, installed in conjunction with the mutual fit of left shackle and right shackle, obtain the integral installation sealing property of corrugated expansion joint
Effectively improve and ensure, then used by the filling of heat-resistant filler, further improve the sealing property of compensator, pass through simultaneously
Bellows and left guide shell, the structure design of right guide shell, the loss of filler effectively can be avoided or reduced, and then ensure to mend
Repay the long-time performance and service life of device.
On the other hand, the utility model is by the use of exotic material, in conjunction with left guide shell and right guide shell, ripple
The effect of pipe, in conjunction with the use of heat-resistant filler, it can effectively strengthen the resistance to elevated temperatures of compensator, beneficial to corrugated expansion joint
Compensation work under the high temperature conditions.
Another further aspect, the arc angling structure that left guide shell of the present utility model, the openend of right guide shell are set, is beneficial to
Reduce fluid media (medium) vertical impact tube wall and caused by resistance and energy consumption, for tube wall of its guide performance compared to straight type, property
Can be relatively more preferable.
Preferably, installation is coordinated between the bellows and left guide shell, right guide shell for sealing, left guide shell, the right side are led
The outer surface of flow cartridge and inner surface are smooth surface, and left guide shell, the material of right guide shell be refractory metals tungsten, molybdenum,
One kind in tantalum, niobium, vanadium, chromium, titanium, zirconium.
Preferably, the bellows is the ripple type tubular structure that forms of some sheet metal flaggy pressures, bellows it is outer
Surface is smooth, and the thickness of bellows is 2cm-3cm.
Preferably, the right-hand member of the left guide shell is provided with left hook loop structure, and the left end of right guide shell is provided with right shackle
Structure, the left shackle is installed with the mutual fit of right shackle, and closed ring cavity is formed between left shackle and right shackle, annular
Inside cavity is filled with heat-resistant filler.
Preferably, the oblique ring of the length is equal with the angle of inclination of short tiltedly ring, and the angle of inclination of long oblique ring and short tiltedly ring is equal
For 45 ° -70 °.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
On the one hand the utility model by setting long oblique ring in bellows, is set short in left guide shell and right guide shell
Oblique ring, installed in conjunction with the mutual fit of left shackle and right shackle, obtain the integral installation sealing property of corrugated expansion joint
Effectively improve and ensure, then used by the filling of heat-resistant filler, further improve the sealing property of compensator, pass through simultaneously
Bellows and left guide shell, the structure design of right guide shell, the loss of filler effectively can be avoided or reduced, and then ensure to mend
Repay the long-time performance and service life of device.
On the other hand, the utility model is by the use of exotic material, in conjunction with left guide shell and right guide shell, ripple
The effect of pipe, in conjunction with the use of heat-resistant filler, it can effectively strengthen the resistance to elevated temperatures of compensator, beneficial to corrugated expansion joint
Compensation work under the high temperature conditions.
Another further aspect, the arc angling structure that left guide shell of the present utility model, the openend of right guide shell are set, is beneficial to
Reduce fluid media (medium) vertical impact tube wall and caused by resistance and energy consumption, for tube wall of its guide performance compared to straight type, property
Can be relatively more preferable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model Fig. 1 partial view A；
In figure：1st, flange；2nd, bellows；3rd, left guide shell；4th, right guide shell；5th, short oblique ring；6th, long oblique ring；7th, it is heat-resisting to fill out
Material；8th, bolt；9th, nut；10th, left shackle；11st, right shackle.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments, based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment 1, as shown in Figure 1-2：
A kind of high-temperature resistant corrugated expansion joint, including it is symmetricly set on the flange 1 at the both ends of bellows 2 and for fixation
The bolt 8 and nut 9 of orchid 1, the inner surface setting of the bellows 2 have long oblique ring 6, and 1/2 extension position positioned at bellows 2 is left
The oblique ring 6 of length at end is tilted to the left, and the oblique ring 6 of length positioned at 1/2 extension position right-hand member of bellows 2 is tilted to the right；Inside bellows 2
Left end is provided with the left guide shell 3 of high temperature resistant material, and the inside right-hand member of bellows 2 is provided with the right guide shell 4 of high temperature resistant material；It is left
The short tiltedly ring 5 being tilted to the right is provided with outside guide shell 3, the short tiltedly ring 5 being tilted to the left is provided with outside right guide shell 4, a left side is led
Installed between flow cartridge 3, right guide shell 4 and bellows 2 by short tiltedly ring 5 with long oblique 6 mutual fit of ring；Long oblique ring 6 and short tiltedly ring 5
Interlaced installation forms some closing spaces, and heat-resistant filler 7 is filled with the closing space；The left guide shell 3
Left end opening, the right-end openings of right guide shell 4 be provided with circular arc chamfering.
On the one hand the utility model by setting long oblique ring 6 in bellows 2, is set in left guide shell 3 and right guide shell 4
Short tiltedly ring 5 is put, is installed in conjunction with the mutual fit of left shackle 10 and right shackle 11, seals the integral installation of corrugated expansion joint
Performance effectively improves and ensured, is then used by the filling of heat-resistant filler 7, further improves the sealing of compensator
Can, while by bellows 2 and left guide shell 3, the structure design of right guide shell 4, effectively can avoid or reduce filler
It is lost in, and then ensures the long-time performance and service life of compensator.
On the other hand, the utility model is by the use of exotic material, in conjunction with left guide shell 3 and right guide shell 4, ripple
The effect of line pipe 2, in conjunction with the use of heat-resistant filler 7, it can effectively strengthen the resistance to elevated temperatures of corrugated expansion joint, beneficial to ripple
The compensation work of the compensator of line pipe 2 under the high temperature conditions.
Another further aspect, the arc angling structure that left guide shell 3 of the present utility model, the openend of right guide shell 4 are set, profit
In reduce fluid media (medium) vertical impact tube wall and caused by resistance and energy consumption, for tube wall of its guide performance compared to straight type,
Performance is relatively more preferable.
As the preferred scheme of the present embodiment, coordinate between the bellows 2 and left guide shell 3, right guide shell 4 for sealing
Installation, left guide shell 3, the outer surface of right guide shell 4 and inner surface are smooth surface, and left guide shell 3, right guide shell 4
Material is one kind in refractory metals tungsten, molybdenum, tantalum, niobium, vanadium, chromium, titanium, zirconium.
As the preferred scheme of the present embodiment, the bellows 2 is the ripple type pipe that some sheet metal flaggy pressures form
Shape structure, the smooth outer surface of bellows 2, and the thickness of bellows 2 are 2cm-3cm.
As the preferred scheme of the present embodiment, the right-hand member of the left guide shell 3 is provided with the left structure of shackle 10, right guide shell
4 left end is provided with the right structure of shackle 11, and the left shackle 10 is installed with right 11 mutual fit of shackle, and left shackle 10 and right hook
Closed ring cavity is formed between ring 11, heat-resistant filler 7 is filled with inside annular housing.
As the preferred scheme of the present embodiment, the oblique ring 6 of length is equal with the angle of inclination of short tiltedly ring 5, and long oblique ring 6 with
The angle of inclination of short tiltedly ring 5 is 45 ° -70 °.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
The protection domain asked is defined.
Claims (5)
1. a kind of high-temperature resistant corrugated expansion joint, including it is symmetricly set on the flange at bellows both ends and for mounting flange
Screw bolt and nut, it is characterised in that：The inner surface setting of the bellows has long oblique ring, left positioned at the extension position of bellows 1/2
The oblique ring left bank of length at end, positioned at the oblique ring right bank of length of the extension position right-hand member of bellows 1/2；Bellows interior left end is set
The left guide shell of high temperature resistant material is equipped with, bellows interior right-hand member is provided with the right guide shell of high temperature resistant material；Outside left guide shell
Portion is provided with the short oblique ring being tilted to the right, and the short oblique ring being tilted to the left, left guide shell, right guide shell are provided with outside right guide shell
Installed between bellows by short tiltedly ring and the long oblique mutual fit of ring；Long oblique ring installed with the short oblique mutual fit of ring to be formed it is some
Closing space, and heat-resistant filler is filled with the closing space；The left end opening of the left guide shell, the right side of right guide shell
End opening is provided with circular arc chamfering.
A kind of 2. high-temperature resistant corrugated expansion joint as claimed in claim 1, it is characterised in that：The bellows and left water conservancy diversion
Coordinating installation between cylinder, right guide shell for sealing, left guide shell, the outer surface of right guide shell and inner surface are smooth surface,
And left guide shell, the material of right guide shell are one kind in refractory metals tungsten, molybdenum, tantalum, niobium, vanadium, chromium, titanium, zirconium.
A kind of 3. high-temperature resistant corrugated expansion joint as claimed in claim 1, it is characterised in that：If the bellows is dried thin layer
The ripple type tubular structure that metallic plate lamination forms, the smooth outer surface of bellows, and the thickness of bellows is 2cm-
3cm。
A kind of 4. high-temperature resistant corrugated expansion joint as claimed in claim 2, it is characterised in that：The right-hand member of the left guide shell is set
Left hook loop structure is equipped with, the left end of right guide shell is provided with right hook loop structure, and the left shackle is installed with the mutual fit of right shackle,
And closed ring cavity is formed between left shackle and right shackle, it is filled with heat-resistant filler inside annular housing.
A kind of 5. high-temperature resistant corrugated expansion joint as claimed in claim 1, it is characterised in that：The oblique ring of length and short tiltedly ring
Angle of inclination is equal, and the angle of inclination of long oblique ring and short tiltedly ring is 45 ° -70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774195.4U CN206846162U (en) | 2017-06-29 | 2017-06-29 | A kind of high-temperature resistant corrugated expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774195.4U CN206846162U (en) | 2017-06-29 | 2017-06-29 | A kind of high-temperature resistant corrugated expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206846162U true CN206846162U (en) | 2018-01-05 |
Family
ID=60803633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720774195.4U Expired - Fee Related CN206846162U (en) | 2017-06-29 | 2017-06-29 | A kind of high-temperature resistant corrugated expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206846162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790318A (en) * | 2021-09-24 | 2021-12-14 | 衡水市衡光工程橡塑有限公司 | Double-wall annular wave metal corrugated pipe and processing method |
-
2017
- 2017-06-29 CN CN201720774195.4U patent/CN206846162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790318A (en) * | 2021-09-24 | 2021-12-14 | 衡水市衡光工程橡塑有限公司 | Double-wall annular wave metal corrugated pipe and processing method |
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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: 20180105 Termination date: 20190629 |