CN206723692U - A kind of corrugated expansion joint with axial buffer function - Google Patents
A kind of corrugated expansion joint with axial buffer function Download PDFInfo
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- CN206723692U CN206723692U CN201720542618.XU CN201720542618U CN206723692U CN 206723692 U CN206723692 U CN 206723692U CN 201720542618 U CN201720542618 U CN 201720542618U CN 206723692 U CN206723692 U CN 206723692U
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- flange
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- outlet
- expansion joint
- buffer function
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Abstract
The utility model discloses a kind of corrugated expansion joint with axial buffer function, including suction flange, outlet(discharge) flange and it is arranged at bellows between the two, the bellows both ends respectively with the suction flange, outlet(discharge) flange is tightly connected, inner sleeve is set with the bellows, the inner sleeve includes the connecting portion of circumferential overhanging setting and axially arranged diversion division, the connecting portion is detachably connected with suction flange, the bottom week convex of the diversion division is provided with the first bulge loop for abutting outlet(discharge) flange inwall, first bulge loop can slide up and down along outlet(discharge) flange inwall.The utility model can effectively avoid material from directly being contacted with bellows, reduce impact and corrosion, effectively extend the service life of bellows；In addition, the setting of the second bulge loop and sealing ring further can prevent material from leaking outside.
Description
Technical field
Bellows field is the utility model is related to, particularly a kind of corrugated expansion joint with axial buffer function.
Background technology
FlexbleJoint, also referred to as telescopic joint, expansion joint, be a kind of flexibility, thin-walled, have a transverse wave there is Telescopic
Device, it is made up of metal bellows and component.The operation principle of corrugated expansion joint is mainly stretched using the elasticity of itself
Contracting function, compensation pipeline caused axial direction, angular, lateral and its group due to thermal deformation, mechanically deform and various mechanical oscillation
Resultant displacement, the effect of compensation have pressure-resistant, sealing, corrosion-resistant, resistance to temperature, impact resistance, the function of vibration and noise reducing, play reduction pipe
Road deforms and improved the effect of pipeline service life.In existing industrial production, some to material circulation passage by setting vertically
The top tube and down tube put and the corrugated expansion joint being connected between the two are formed, and described corrugated expansion joint is mainly risen along pipe
The effect of the axial buffer in road, the ripple inside pipe wall of existing corrugated expansion joint is under the continuous pressure of material is washed away in pipe,
Along with the corrosivity of some chemical materials, tube wall meeting more and more thinner, its service life is had a strong impact on.
Utility model content
The utility model is intended to one of above-mentioned technical problem at least solving in correlation technique to a certain extent, there is provided one
The longer corrugated expansion joint with axial buffer function of kind service life.
Technical scheme is used by the utility model solves its technical problem：
A kind of corrugated expansion joint with axial buffer function, including suction flange, outlet(discharge) flange and it is arranged at both
Between bellows, the bellows both ends respectively with the suction flange, outlet(discharge) flange be tightly connected, the bellows inner sleeve
Equipped with inner sleeve, the inner sleeve includes connecting portion and axially arranged diversion division, the connecting portion and the import of circumferential overhanging setting
Flange is detachably connected, and the bottom week convex of the diversion division is provided with the first bulge loop for abutting outlet(discharge) flange inwall, described
First bulge loop can slide up and down along outlet(discharge) flange inwall.
Further, it is provided with sealing ring between the connecting portion and suction flange.
Further, the top week convex of the diversion division is provided with the second bulge loop, second bulge loop and import method
Blue inwall fitting.
Further, connected between the suction flange and outlet(discharge) flange by some limit assemblies.
Further, the limit assembly includes the gag lever post through suction flange and outlet(discharge) flange, the gag lever post one
End is fixedly connected with suction flange or outlet(discharge) flange, and the other end is slidably connected with outlet(discharge) flange or suction flange, the gag lever post
The other end be fixed with limited block.
Further, the limited block includes upper limit position block and lower position block, and the upper limit position block and lower position block are located at
Suction flange or outlet(discharge) flange both sides.
Further, the inner sleeve is made of titanium.
Further, the inner sleeve and suction flange are connected by bolts and nuts.
Further, the space between the bellows and inner sleeve is filled with exotic material.
The beneficial effects of the utility model are：The utility model provides a kind of bellow-type expansion with axial buffer function
Device, inner sleeve is housed in the inner wall sleeve of bellows, one end of bellows can be slided with respect to inner sleeve, and the setting of connecting portion makes material straight
Connect from inner sleeve one end and enter, and the other end of inner sleeve abuts the inwall of outlet(discharge) flange by the first bulge loop, can effectively avoid material
Directly contacted with bellows, reduce impact and corrosion, effectively extend the service life of bellows；In addition, the second bulge loop and close
The setting of seal further can prevent material from leaking outside.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the utility model mounting structure schematic diagram.
Embodiment
Reference picture 1, a kind of corrugated expansion joint with axial buffer function of the present utility model, including suction flange 1,
Outlet(discharge) flange 2 and be arranged at bellows 3 between the two, the both ends of bellows 3 respectively with the suction flange 1, outlet method
Orchid 2 is tightly connected, and can use industrial welding or other types of attachment, be set with inner sleeve 4 in the bellows 3, the inner sleeve 4 is wrapped
The connecting portion 41 of circumferential overhanging setting and axially arranged diversion division 42 are included, the connecting portion 41 is arranged at the outer of suction flange 1
Side, and be detachably connected with suction flange 1, the bottom week convex of the diversion division 42, which is provided with, abuts the inwall of outlet(discharge) flange 2
The first bulge loop 5, first bulge loop 5 can slide up and down along the inwall of outlet(discharge) flange 2.The pipeline of entrance directly connects with inner sleeve 4
Connect, so ensure when material enters 3 compensator of bellows without bellows 3, the setting of the first bulge loop of lower end 5, can both ensure
The lower end of bellows 3 can be slided with respect to inner sleeve 4, and bulge loop abuts discharging flange inner wall, also can effectively prevent feed back to ripple
Pipe 3, so as to effectively avoid material from directly being contacted with bellows 3, reduce impact and corrosion, effectively extend making for bellows 3
Use the life-span
Further, sealing ring 6, the top of the diversion division 42 are provided between the connecting portion 41 and suction flange 1
All convexes are provided with the second bulge loop 7, and second bulge loop 7 is bonded with the inwall of suction flange 1, in use, if the
One bulge loop 5 wears, and causes material reflowable between bellows 3 and inner sleeve 4, the setting of the second bulge loop 7 can further be prevented
Only it continues to flow back and leaked, and the setting last line of defense the most of sealing ring 6, can ensure that material will not leak outside.
Further, connected between the suction flange 1 and outlet(discharge) flange 2 by some limit assemblies 8, described spacing group
Part 8 includes the gag lever post 81 through suction flange 1 and outlet(discharge) flange 2, described one end of gag lever post 81 and suction flange 1 or outlet method
Orchid 2 is fixedly connected, and the other end is slidably connected with outlet(discharge) flange 2 or suction flange 1, and the other end fixation of the gag lever post 81 is limited
Position block, the limited block include upper limit position block 82 and lower position block 83, and the upper limit position block 82 and lower position block 83 are located at import
Flange 1 or the both sides of outlet(discharge) flange 2.In the present embodiment, gag lever post 81 is bolted to connection with suction flange 1, limited block
The both sides of separation outlet(discharge) flange 2, limited block can use two halves formula, and after installing gag lever post 81, two halves limited block is nested in relatively
The outer wall of gag lever post 81, when the deformation vertical due to natural resiliency of bellows 3, upper limit position block 82 and lower position block 83 can be prevented effectively
The displacement of bellows 3 exceeds its deformation limit, is damaged.
Further, the inner sleeve 4 is made of titanium.Because titanium has the characteristic that hardness is high, corrosivity is strong, can effectively carry
Wear-resisting, the corrosion resistance of high inner sleeve 4.
Further, the inner sleeve 4 and suction flange 1 are connected by bolts and nuts.This is the present embodiment
A kind of preferred embodiment, in other embodiments, it can also use other attachment structures such as buckle.
Further, the space between the bellows 3 and inner sleeve 4 is filled with exotic material 9, can improve bellows 3
Heat-resisting quantity.
Above concrete structure and sized data are that preferred embodiment of the present utility model is illustrated, but this reality
The embodiment is not limited to new creation, those skilled in the art are in the premise without prejudice to the utility model spirit
A variety of equivalent variations or replacement can be also made down, and these equivalent deformations or replacement are all contained in the application claim and limited
In fixed scope.
Claims (9)
1. a kind of corrugated expansion joint with axial buffer function, including suction flange (1), outlet(discharge) flange (2) and it is arranged at
Bellows (3) between the two, bellows (3) both ends connect with the suction flange (1), outlet(discharge) flange (2) sealing respectively
Connect, it is characterised in that：Inner sleeve (4) is set with the bellows (3), the inner sleeve (4) includes the connection of circumferential overhanging setting
Portion (41) and axially arranged diversion division (42), the connecting portion (41) are detachably connected with suction flange (1), the diversion division
(42) bottom week convex is provided with the first bulge loop (5) for abutting outlet(discharge) flange (2) inwall, and first bulge loop (5) can edge
Outlet(discharge) flange (2) inwall slides up and down.
A kind of 2. corrugated expansion joint with axial buffer function according to claim 1, it is characterised in that：The company
Sealing ring (6) is provided between socket part (41) and suction flange (1).
A kind of 3. corrugated expansion joint with axial buffer function according to claim 1, it is characterised in that：It is described to lead
The top week convex in stream portion (42) is provided with the second bulge loop (7), and second bulge loop (7) is bonded with suction flange (1) inwall.
A kind of 4. corrugated expansion joint with axial buffer function according to claim 1, it is characterised in that：It is described enter
It is connected between mouth flange (1) and outlet(discharge) flange (2) by some limit assemblies (8).
A kind of 5. corrugated expansion joint with axial buffer function according to claim 4, it is characterised in that：The limit
Hyte part (8) includes the gag lever post (81) through suction flange (1) and outlet(discharge) flange (2), and described gag lever post (81) one end is with entering
Mouth flange (1) or outlet(discharge) flange (2) are fixedly connected, and the other end is slidably connected with outlet(discharge) flange (2) or suction flange (1), described
The other end of gag lever post (81) is fixed with limited block.
A kind of 6. corrugated expansion joint with axial buffer function according to claim 5, it is characterised in that：The limit
Position block includes upper limit position block (82) and lower position block (83), and the upper limit position block (82) and lower position block (83) are located at suction flange
Or outlet(discharge) flange (2) both sides (1).
A kind of 7. corrugated expansion joint with axial buffer function according to claim 1, it is characterised in that：In described
Set (4) is made of titanium.
A kind of 8. corrugated expansion joint with axial buffer function according to claim 1, it is characterised in that：In described
Set (4) and suction flange (1) are connected by bolts and nuts.
A kind of 9. corrugated expansion joint with axial buffer function according to claim 1, it is characterised in that：The ripple
Space between line pipe (3) and inner sleeve (4) is filled with exotic material (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720542618.XU CN206723692U (en) | 2017-05-12 | 2017-05-12 | A kind of corrugated expansion joint with axial buffer function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720542618.XU CN206723692U (en) | 2017-05-12 | 2017-05-12 | A kind of corrugated expansion joint with axial buffer function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723692U true CN206723692U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720542618.XU Active CN206723692U (en) | 2017-05-12 | 2017-05-12 | A kind of corrugated expansion joint with axial buffer function |
Country Status (1)
| Country | Link |
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| CN (1) | CN206723692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931582A (en) * | 2021-09-16 | 2022-01-14 | 建湖县永维阀门钻件有限公司 | Riser joint protection device |
-
2017
- 2017-05-12 CN CN201720542618.XU patent/CN206723692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931582A (en) * | 2021-09-16 | 2022-01-14 | 建湖县永维阀门钻件有限公司 | Riser joint protection device |
| CN113931582B (en) * | 2021-09-16 | 2024-06-21 | 建湖县永维阀门钻件有限公司 | Water-proof pipe joint protection device |
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