CN206770855U - A kind of nested external pressure FlexbleJoint - Google Patents
A kind of nested external pressure FlexbleJoint Download PDFInfo
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- CN206770855U CN206770855U CN201720593413.4U CN201720593413U CN206770855U CN 206770855 U CN206770855 U CN 206770855U CN 201720593413 U CN201720593413 U CN 201720593413U CN 206770855 U CN206770855 U CN 206770855U
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Abstract
The utility model discloses a kind of nested external pressure FlexbleJoint, one end of long end pipe connects with one end of short end pipe, small corrugated pipe is set on the outer wall of long end pipe, it is fixedly connected between two adjacent small corrugated pipes by the first connector, it is arranged on the first connector on the right side of small corrugated pipe to be fixedly connected with the right-hand member of the first position-limiting tube, the first position-limiting tube is set in the outside of small corrugated pipe；The outer cover of small corrugated pipe is provided with small outer tube, bellows-sheathed is located on the outer wall of small outer tube, it is fixedly connected between two adjacent big ripple pipes by the second connector, it is arranged on the second connector on the right side of big ripple pipe to be fixedly connected with the right-hand member of the second position-limiting tube, the second position-limiting tube is set in the outside of big ripple pipe；The outer cover of big ripple pipe is provided with big outer tube；The total length of small corrugated pipe is more than the total length of big ripple pipe, and the utility model adds nose balance amount, reduces axial rigidity, reduces the thrust in motion.
Description
Technical field
It the utility model is related to metal corrugation compensator, more particularly to a kind of box-like External Pressure Type ripple compensation of bellows-sheathed
Device.
Background technology
Corrugated expansion joint is widely used on outdoor media-carrying lines as pressure pipeline element.Such as oil, day
The pipelines such as right gas, northern central heating pipe, jet chimney of integrated mill etc..Due to by it is outdoor throughout the year and day and night temperature
Big and pipeline interior media produces the influence of the factors such as heat, and situation that is elongated or reducing, specialty occurs in pipeline axial direction
It is upper to be axial expansion amount, occur that " snakelike shape " deforms if taking no action to pipeline, explosion occurs in pipeline when serious
Security incident.It is can solve pipeline to expand with heat and contract with cold according to metal corrugation compensator of the pipeline actual condition generally from relevant parameter
Situation.But some engineerings are because design parameter is inaccurate or foundation engineering is carried out rear body design and changed, ripple
The nose balance amount of pipe compensator adds nearly 50% than original design, but the length space reserved to FlexbleJoint is
The requirement of new parameter can not be reached, foundation engineering there can not be a bit change.It is very intractable analogue occur.
The content of the invention
The utility model provides a kind of nested external pressure FlexbleJoint, and purpose is exactly to keep for corrugated expansion joint
In the case of the wretched insufficiency of space, solve the problems, such as to increase compensation of pipeline amount.
The technical solution of the utility model is：A kind of nested FlexbleJoint, one end of long end pipe and the one of short end pipe
End connection, small corrugated pipe are set on the outer wall of long end pipe, fixed between adjacent two small corrugated pipes by the first connector
Connection, is arranged on the first connector on the right side of small corrugated pipe and is fixedly connected with the right-hand member of the first position-limiting tube, the first position-limiting tube is arranged
In the outside of small corrugated pipe；The outer cover of small corrugated pipe is provided with small outer tube, and bellows-sheathed is located on the outer wall of small outer tube, phase
It is fixedly connected between two adjacent big ripple pipes by the second connector, the second connector for being arranged on the right side of big ripple pipe and the
The right-hand member of two position-limiting tubes is fixedly connected, and the second position-limiting tube is set in the outside of big ripple pipe；The outer cover of big ripple pipe is provided with big
Outer tube；The total length of small corrugated pipe is more than the total length of big ripple pipe, and the crest of small corrugated pipe corresponds to the trough of big ripple pipe,
The trough of small corrugated pipe corresponds to the crest of big ripple pipe.
Further, the upper end and the inwall of small outer tube for being arranged on the first connector of small outer tube left and right ends are fixed
Connection, the lower end for being arranged on the first connector of small outer tube left and right ends is fixedly connected with the outer wall of long end pipe.
Further, it is arranged on the upper end of the second connector of big outer tube left end and is fixed with the inwall of big outer tube and is connected
Connect, the lower end for being arranged on the second connector of big outer tube left end is fixedly connected with the outer wall of small outer tube.
Further, it is arranged on the upper end of the 3rd connector of big outer tube right-hand member and is fixed with the inwall of big outer tube and is connected
Connect, the lower end for being arranged on the 3rd connector of big outer tube right-hand member is fixedly connected with the outer wall of short end pipe.
Further, the length of first position-limiting tube is the half of the length of small corrugated pipe.
Further, the length of second position-limiting tube is the half of the length of big ripple pipe.
Further, the wall thickness of the small corrugated pipe and big ripple pipe is 0.2mm-0.5mm.
Further, the socket of the small corrugated pipe and big ripple pipe forms multilayer corrugated pipe, the number of plies of multilayer corrugated pipe
Between 2 ~ 10 layers.
The beneficial effects of the utility model are：
1st, fit is carried out using the bellows of two different sizes of size, in the installation length situation that former headspace is constant
Under, nose balance amount is 1.5 times of conventional compensator, and the installation length of conventional products is shortened on the premise of compensation rate is ensured
Degree；
2nd, using multilayer thin-walled scheme, on the premise of ensuring to bear compression resistance, axial rigidity is reduced, is reduced in motion
Thrust.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings, the present embodiment is not formed to this
The limitation of utility model.
A kind of nested external pressure FlexbleJoint, as shown in figure 1, including long end pipe 1, short end pipe 2, flange 3, small corrugated pipe
4th, the first connector 5, the first position-limiting tube 6, small outer tube 7, big ripple pipe 8, the second connector 9, the second position-limiting tube 10, big overcoat
Pipe 11, the 3rd connector 12.
One end of long end pipe 1 connects with one end of short end pipe 2, and the other end of long end pipe 1 is provided with flange 3, short end pipe 2
The other end is provided with flange 3.Small corrugated pipe 4 is set on the outer wall of long end pipe 1, is passed through between adjacent two small corrugated pipes 4
First connector 5 is fixedly connected, and the right-hand member of the first connector 5 and the first position-limiting tube 6 that are arranged on the right side of small corrugated pipe 4, which is fixed, to be connected
Connect, the first position-limiting tube 6 is set in the outside of small corrugated pipe 4, and the left end of the first position-limiting tube 6 is arranged on the centre bit of small corrugated pipe 4
Put, the length of the first position-limiting tube 6 is the half of the length of small corrugated pipe 4.
The outer cover of small corrugated pipe 4 is provided with small outer tube 7, is arranged on the first connector 5 of the small left and right ends of outer tube 7
Upper end is fixedly connected with the inwall of small outer tube 7, is arranged on lower end and the length of the first connector 5 of the small left and right ends of outer tube 7
The outer wall of end pipe 1 is fixedly connected, so as to which small corrugated pipe 4 is enclosed in small outer tube 7.
Big ripple pipe 8 is set on the outer wall of small outer tube 7, passes through the second connection between adjacent two big ripple pipes 8
Part 9 is fixedly connected, and the second connector 9 for being arranged on the right side of big ripple pipe 8 is fixedly connected with the right-hand member of the second position-limiting tube 10, and second
Position-limiting tube 10 is set in the outside of big ripple pipe 8, and the left end of the second position-limiting tube 10 is arranged on the center of big ripple pipe 8, the
The length of two position-limiting tubes 10 is the half of the length of big ripple pipe 8.
The outer cover of big ripple pipe 8 is provided with big outer tube 11, be arranged on the big left end of outer tube 11 the second connector 9 it is upper
End is fixedly connected with the inwall of big outer tube 11, is arranged on the lower end of the second connector 9 of the big left end of outer tube 11 and small overcoat
The outer wall of pipe 7 is fixedly connected；It is arranged on the upper end of the 3rd connector 12 of the big right-hand member of outer tube 11 and the inwall of big outer tube 11
It is fixedly connected, the lower end for being arranged on the 3rd connector 12 of the big right-hand member of outer tube 11 is fixedly connected with the outer wall of short end pipe 2.
The external diameter of small corrugated pipe 4 is less than the internal diameter of big ripple pipe 8, so as to which small corrugated pipe 4 is nested into big ripple pipe 8,
Reduce the length of a bellows, the overall length of FlexbleJoint can be just arranged in the position that pipeline is reserved, so both
Engineering design requirements are met, while solve the restricted problem of installation length.
The total length of small corrugated pipe 4 is more than the total length of big ripple pipe 8, and the crest of small corrugated pipe 4 corresponds to big ripple pipe 8
Trough, the trough of small corrugated pipe 4 correspond to the crest of big ripple pipe 8, keep the end face significant surface of small corrugated pipe 4 and big ripple pipe 8
Product is identical, keeps axial rigidity consistent with compression resistance, and small corrugated pipe 4 is synchronized with the movement with big ripple pipe 8 when being axially moved so that
Small corrugated pipe 4 and the counter motion at equal speeds of big ripple pipe 8 during exercise.
Small corrugated pipe 4 and big ripple pipe 8 can use 316L, and 321,304 stainless steels are made, small corrugated pipe 4 with greatly
Ripple number on bellows 8 is 4 ~ 20, and the socket of small corrugated pipe 4 and big ripple pipe 8 forms multilayer corrugated pipe, multilayer corrugated
The number of plies of pipe is between 2 ~ 10 layers.The wall thickness of small corrugated pipe 4 and big ripple pipe 8 is 0.2mm ~ 0.5mm.
It is described above, only it is preferred embodiment of the present utility model, is not used in limitation the utility model, this area skill
Art personnel can make various modifications or equivalent substitution to the utility model in essence of the present utility model and protection domain,
This modification or equivalent substitution also should be regarded as in the protection domain of technical solutions of the utility model.
Claims (8)
- A kind of 1. nested external pressure FlexbleJoint, it is characterised in that：One end of long end pipe connects with one end of short end pipe, small echo Line pipe sleeve is located on the outer wall of long end pipe, is fixedly connected, is arranged on by the first connector between adjacent two small corrugated pipes The first connector on the right side of small corrugated pipe is fixedly connected with the right-hand member of the first position-limiting tube, and the first position-limiting tube is set in small corrugated pipe It is outside；The outer cover of small corrugated pipe is provided with small outer tube, and bellows-sheathed is located on the outer wall of small outer tube, adjacent two big ripples It is fixedly connected between line pipe by the second connector, the second connector being arranged on the right side of big ripple pipe and the right side of the second position-limiting tube End is fixedly connected, and the second position-limiting tube is set in the outside of big ripple pipe；The outer cover of big ripple pipe is provided with big outer tube；Ripplet The total length of pipe is more than the total length of big ripple pipe, and the crest of small corrugated pipe corresponds to the trough of big ripple pipe, the ripple of small corrugated pipe Paddy corresponds to the crest of big ripple pipe.
- A kind of 2. nested external pressure FlexbleJoint according to claim 1, it is characterised in that：It is left to be arranged on small outer tube The upper end of first connector at right both ends is fixedly connected with the inwall of small outer tube, is arranged on the first of small outer tube left and right ends The lower end of connector is fixedly connected with the outer wall of long end pipe.
- A kind of 3. nested external pressure FlexbleJoint according to claim 1, it is characterised in that：It is left to be arranged on big outer tube The upper end of second connector at end is fixedly connected with the inwall of big outer tube, is arranged on the second connector of big outer tube left end Lower end is fixedly connected with the outer wall of small outer tube.
- A kind of 4. nested external pressure FlexbleJoint according to claim 3, it is characterised in that：It is right to be arranged on big outer tube The upper end of 3rd connector at end is fixedly connected with the inwall of big outer tube, is arranged on the 3rd connector of big outer tube right-hand member Lower end is fixedly connected with the outer wall of short end pipe.
- A kind of 5. nested external pressure FlexbleJoint according to claim 1, it is characterised in that：First position-limiting tube Length is the half of the length of small corrugated pipe.
- A kind of 6. nested external pressure FlexbleJoint according to claim 1, it is characterised in that：Second position-limiting tube Length is the half of the length of big ripple pipe.
- A kind of 7. nested external pressure FlexbleJoint according to claim 1, it is characterised in that：The small corrugated pipe with it is big The wall thickness of bellows is 0.2mm ~ 0.5mm.
- A kind of 8. nested external pressure FlexbleJoint according to claim 1, it is characterised in that：The small corrugated pipe with it is big The socket of bellows forms multilayer corrugated pipe, and the number of plies of multilayer corrugated pipe is between 2 ~ 10 layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593413.4U CN206770855U (en) | 2017-05-25 | 2017-05-25 | A kind of nested external pressure FlexbleJoint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593413.4U CN206770855U (en) | 2017-05-25 | 2017-05-25 | A kind of nested external pressure FlexbleJoint |
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| Publication Number | Publication Date |
|---|---|
| CN206770855U true CN206770855U (en) | 2017-12-19 |
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ID=60638953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720593413.4U Active CN206770855U (en) | 2017-05-25 | 2017-05-25 | A kind of nested external pressure FlexbleJoint |
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| CN (1) | CN206770855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969228A (en) * | 2017-05-25 | 2017-07-21 | 江苏省埃迪机电设备实业有限公司 | A kind of nested external pressure FlexbleJoint |
| CN115076494A (en) * | 2022-05-16 | 2022-09-20 | 刘晨 | Double-flow outward pressure type compensator and implementation method thereof |
-
2017
- 2017-05-25 CN CN201720593413.4U patent/CN206770855U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969228A (en) * | 2017-05-25 | 2017-07-21 | 江苏省埃迪机电设备实业有限公司 | A kind of nested external pressure FlexbleJoint |
| CN115076494A (en) * | 2022-05-16 | 2022-09-20 | 刘晨 | Double-flow outward pressure type compensator and implementation method thereof |
| CN115076494B (en) * | 2022-05-16 | 2023-10-31 | 江苏远通波纹管有限公司 | Double-flow outward-pressing compensator and implementation method thereof |
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