CN207777842U - A kind of expansion corrugated pipe - Google Patents
A kind of expansion corrugated pipe Download PDFInfo
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- CN207777842U CN207777842U CN201721871947.5U CN201721871947U CN207777842U CN 207777842 U CN207777842 U CN 207777842U CN 201721871947 U CN201721871947 U CN 201721871947U CN 207777842 U CN207777842 U CN 207777842U
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Abstract
The utility model is related to a kind of expansion corrugated pipes, including：Casing, with Telescopic comprising the inner surface of the outer tube and inner tube being connected through a screw thread, the outer tube is equipped with two sections of oppositely oriented left-hand thread sections, right-hand thread sections；Bellows is inserted in inner tube, and two ends of the bellows are embedded in mounting ring respectively；Mounting head, its middle part perforation is equipped with hollow cavity, the mounting head is equipped with the annular receiving groove of mounting ring of at least one circle for being clamped different-diameter close to the side of mounting ring, the mounting head part is inserted in inner tube, side of the mounting head far from inner tube is cap along structure, the cap along structure close to the side of inner tube be equipped with the matched occlusion portion of inner tube, the cap along structure, inner tube outer wall on be respectively equipped with the external screw thread being threadedly coupled with welded flange.The utility model provide it is a kind of have Telescopic, improve practicability, safety, service life, easy-to-use expansion corrugated pipe.
Description
Technical field
The utility model belongs to Bellows Technology field more particularly to a kind of expansion corrugated pipe.
Background technology
Bellows is a kind of tubing of the wave sample of shape rule, is mainly used for needing the bending radius of very little, irregular
Turning, pipeline will will produce flexible place or be not easy to make the connection of pipeline and pipeline, wave of the occasion of fixed elbow installation
Line pipe is flexible, a small amount of elongation or compression since bellows has the characteristic of arbitrary bending are the fluids such as various liquid or gas
One of the critical piping of conveying connection is carried out, but in air due to bellows exposure for a long time, extraneous illumination and air
Corrosion can all influence its service life, make troubles for the use of people.
Chinese patent " a kind of double-wall corrugated pipe (CN201720508043.X) " includes tube body；The tube body is by inner tube and outside
Bellows forms；Erosion shield is provided between said inner tube and outward corrugated tube；The both ends of said inner tube, which are respectively arranged with, holds
Mouth and socket；It is provided with slot between the inner tube and outward corrugated tube of one end of the socket；The slot is corresponding with bellmouth.But
It is the defect that conventional bellows is commonly present extraneous illumination and the corrosion of air can influence its service life, and for outer
The bellows that portion is equipped with protection pipe does not have Telescopic generally but, and exist once internal bellows bursts will cause it is whole
The defect of a product scrapped.
Therefore, these problems are based on, provide it is a kind of have Telescopic, improve practicability, safety, service life,
Easy-to-use expansion corrugated pipe, has important practical significance.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and providing one kind having Telescopic, improve reality
With property, safety, service life, easy-to-use expansion corrugated pipe.
The utility model solves its technical problem and following technical scheme is taken to realize：
A kind of expansion corrugated pipe, including：
Casing, with Telescopic comprising the outer tube and inner tube being connected through a screw thread, the inner surface of the outer tube are set
There are two sections of oppositely oriented left-hand thread sections, right-hand thread sections；
Bellows is inserted in inner tube, and two ends of the bellows are embedded in mounting ring respectively；
Mounting head, middle part perforation are equipped with hollow cavity, and the mounting head is equipped at least one circle close to the side of mounting ring and uses
In the annular receiving groove of the mounting ring of clamping different-diameter, the mounting head part is inserted in inner tube, and the mounting head is separate
The side of inner tube is cap along structure, the cap along structure close to the side of inner tube be equipped with the matched occlusion portion of inner tube, it is described
Cap along structure, inner tube outer wall on be respectively equipped with the external screw thread being threadedly coupled with welded flange.
Further, the quantity of said inner tube is two, and said inner tube is inserted in outer tube, and two said inner tubes is outer
Be respectively equipped with the external screw thread being threadedly coupled with left-hand thread section, right-hand thread section on wall, said inner tube, outer tube surface be coated with silver powder
It paints, being sticked on the outer wall of the outer tube has label.
Further, the mounting ring is equipped with close to the side of bellows and is inserted into annular slot, institute for corrugated tube end
It is blind end to state side of the mounting ring far from bellows, is staggeredly equipped on the inner wall of the annular slot multiple for clamping ripple
The clamping bulge loop of pipe.
Further, it is additionally provided with impermeable sealing ring, the sealing ring is used to compress the seam of bellows and annular slot
At gap.
Further, the cap is identical along the external profile diameter of structure and the external profile diameter of inner tube, and each annular accommodates
Slot is coaxially disposed, and the annular receiving groove is equipped with the convex edge for clamping mounting ring close to one end of bellows, and the convex edge is
Rubber material.
Further, the welded flange is hollow structure, and the inner edge of the welded flange is equipped with cap along structure, inner tube
On the internal thread that is threadedly coupled of external screw thread, be uniformly provided with multiple mounting holes on the welded flange.
Further, the mounting head quantity is two, and two mounting heads are respectively arranged on the left and right sides of bellows,
The hollow cavity of the mounting head is equipped with the internal thread being threadedly coupled with adapter, and the adapter outer wall is equipped with external screw thread, institute
It is in hollow tubular to state adapter, and movable sleeve is equipped with lock nut on the adapter, and the inner wall of the lock nut is equipped with and weldering
The internal thread that acting flange is threadedly coupled, the outer wall of the welded flange are equipped with external screw thread, at left and right sides of the lock nut
It is respectively equipped with spacing ring on adapter outer wall.
Further, the inner edge of the adapter is equipped with the cylindrical hollow hole of multiple stepped arrangements, the hollow hole
Diameter be sequentially reduced towards close to the direction of bellows, a circle rubber ring is equipped between adjacent hollow hole, the hollow hole
Inner wall is equipped with internal thread.
Further, the adapter is in syphon shape.
Further, rotation is equipped at least two adjustable plates in the adapter, runs through on the adjustable plate and is equipped at least
The inner wall of three parallel water outlets, the adapter is equipped with internal thread.
The advantages of the utility model and good effect are：
1. in the utility model, casing has Telescopic, and bellows in inner tube itself has certain flexible work(
Can, bellows can stretch with the flexible of casing, suitable for the demand to different lengths pipeline, to improve practicability.
2. in the utility model, casing, which can reduce sharp weapon, leads to the damage of bellows the hair of bellows leakage accident
It is raw, improve safety.
3. in the utility model, two ends of bellows are embedded in mounting ring respectively, are conveniently replaceable bellows, are avoided
Since bellows bursts lead to the defect of entire product rejection in traditional design, service life is substantially increased.
4. in the utility model, mounting head is suitable for installing the bellows of at least one diameter specifications, improves practicability.
5. in the utility model, after mounting head is inserted in inner tube, being increased by occlusion portion steady between mounting head and inner tube
It is qualitative, be mutually twisted and be not easy to misplace, by welded flange screw thread be spun on cap along structure, inner tube outer wall on, to secure welding
Position between flange, mounting head, inner tube, it is easy to operate, it is easy-to-use.
6. in the utility model, bellows is inserted into annular slot, staggeredly it is equipped on the inner wall of annular slot more
The stability of bellows and annular slot installation can be improved in a clamping bulge loop for clamping bellows.
7. in the utility model, sealing ring is used to compress bellows at the gap of annular slot, and ripple not only can be improved
The stability of pipe and annular slot installation, but also the leakproofness between bellows and annular slot can be improved.
8. in the utility model, mounting head can be made to be connected indirectly with other pipelines by adapter, be suitable for it is a variety of straight
The connection of the pipeline of diameter specification improves practicability, easy to use.
Description of the drawings
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings only design for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is 1 structural schematic diagram of embodiment in the utility model；
Fig. 2 is the longitudinal sectional drawing of Fig. 1；
Fig. 3 is Fig. 1 disassembled form structural schematic diagrams；
Fig. 4 is Fig. 2 middle sleeve elongation state structural schematic diagrams；
Fig. 5 is 2 structural schematic diagram of embodiment in the utility model；
Fig. 6 is the structural schematic diagram of adapter in Fig. 5；
Fig. 7 is 3 structural schematic diagram of embodiment in the utility model；
Fig. 8 is the structural schematic diagram of adapter in Fig. 7；
Fig. 9 is 4 structural schematic diagram of embodiment in the utility model；
Figure 10 is the structural schematic diagram of adjustable plate in Fig. 9.
In figure：1. outer tube, 2. inner tubes, 3. left-hand thread sections, 4. right-hand thread sections, 5. bellowss, 6. mounting rings, 7. mounting heads,
8. hollow cavity, 9. annular receiving grooves, 10. caps along structure, 11. occlusion portions, 12. labels, 13. annular slots, 14. clamping bulge loops,
15. in sealing ring, 16. convex edges, 17. welded flanges, 18. mounting holes, 19. adapters, 20. lock nuts, 21. spacing rings, 22.
Emptying aperture, 23. adjustable plates, 24. water outlets, 25. rubber rings.
Specific implementation mode
Firstly, it is necessary to which explanation, illustrates the concrete structure, feature of the utility model by by way of example below
With advantage etc., however what all descriptions were intended merely to illustrate, and should not be construed as forming the utility model and appoint
What is limited.In addition, the arbitrary single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or it is shown
Or implicit arbitrary single technical characteristic in the drawings, still can continue between these technical characteristics (or its equivalent) into
The arbitrary combination of row is deleted, to obtain more other embodiments of the utility model that may do not referred to directly herein.
In addition, for the sake of simplifying drawing, same or like technical characteristic may be indicated only at one in the same figure.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Embodiment 1
As shown in Figs 1-4, a kind of expansion corrugated pipe, including：Casing, with Telescopic comprising connected by screw thread
The inner surface of the outer tube 1 connect and inner tube 2, the outer tube 1 is equipped with two sections of oppositely oriented left-hand thread sections 3, right-hand thread sections 4；Ripple
Pipe 5 is inserted in inner tube 2, and two ends of the bellows 5 are embedded at respectively in mounting ring 6；Mounting head 7, middle part
Perforation is equipped with hollow cavity 8, and the mounting head 7 is equipped with peace of at least one circle for being clamped different-diameter close to the side of mounting ring 6
The annular receiving groove 9 of ring 6 is filled, 7 part of the mounting head is inserted in inner tube 2, and side of the mounting head 7 far from inner tube 2 is
Cap is equipped with and 2 matched occlusion portion 11 of inner tube, the cap edge along structure 10 close to the side of inner tube 2 along structure 10, the cap
Structure 10, inner tube 2 outer wall on be respectively equipped with the external screw thread being threadedly coupled with welded flange 17.
As an example, casing has Telescopic, since the inner surface of outer tube 1 is equipped with two sections of oppositely oriented left-hand thread sections
3, right-hand thread section 4, and inner tube 2 is threadedly coupled with outer tube 1 so that when inner tube 2 does not rotate, forward or reverse outer tube 1, two
A inner tube 2 can precession or back-out simultaneously, to realize the Telescopic of casing, and the bellows 5 in inner tube 2 itself has centainly
Telescopic, bellows 5 can stretch with the flexible of casing, with suitable for the demand to different lengths pipeline, in addition, covering
Pipe, which can reduce sharp weapon, leads to the damage of bellows 5 bellows 5 to reveal the generation of accident, improves safety；Bellows 5
Two ends are embedded at respectively in mounting ring 6, are conveniently replaceable bellows 5, are avoided in traditional design since the rupture of bellows 5 is led
The defect for causing entire product rejection, substantially increases service life；Mounting head 7 is close to the side of mounting ring 6 equipped at least one circle
Annular receiving groove 9 for the mounting ring 6 for being clamped different-diameter, thus mounting head 7 is suitable for at least one diameter specifications of installation
Bellows 5, improve practicability, the installation of mounting ring 6 of 5 end of bellows will be embedded in suitable annular receiving groove 9,
To realize that the connection between bellows 9 and mounting head 7,7 part of mounting head are inserted in inner tube 2, mounting head 7 is far from inner tube 2
Side be cap along structure 10, and cap along structure 10 close to the side of inner tube 2 be equipped with 2 matched occlusion portion 11 of inner tube, make
After mounting head 7 is inserted in inner tube 2, the stability between mounting head 7 and inner tube 2 is increased by occlusion portion 11, is mutually twisted not
Easily dislocation, at this time by 17 screw thread of welded flange be spun on cap along structure 10, inner tube 2 outer wall on, to secure welded flange 17,
Position between mounting head 7, inner tube 2 so that bellows 5 installs outer wall, and hollow cavity 8 can be connected to bellows 5 for fluid
Circulation, when needing replacing bellows 5, the replacement of bellows is completed in installation above-mentioned steps flashback operation, easy to operate, is used
It is convenient.
For further, it can also consider in the present invention, the quantity of said inner tube 2 is two, said inner tube 2
It is inserted in outer tube 1, and is respectively equipped on the outer wall of two said inner tubes 2 and is threadedly coupled with left-hand thread section 3, right-hand thread section 4
External screw thread, said inner tube 2, outer tube 1 surface be coated with aluminium paint, being sticked on the outer wall of the outer tube 2 has label 12.
The inner surface of outer tube 1 is equipped with two sections of oppositely oriented left-hand thread sections 3, right-hand thread sections 4, and inner tube 2 and 1 screw thread of outer tube
Connection so that when inner tube 2 does not rotate, forward or reverse outer tube 1, two inner tubes 2 can precession or back-out simultaneously, to real
The Telescopic of existing casing.
For further, it can also consider in the present invention, the mounting ring 6 is set close to the side of bellows 5
Have and be inserted into annular slot 13 for 5 end of bellows, side of the mounting ring 6 far from bellows 5 is blind end, the annular
Multiple clamping bulge loops 14 for clamping bellows 5 are staggeredly equipped on the inner wall of slot 13.
Mounting ring 6 is equipped with close to the side of bellows 5 and is inserted into annular slot 13 for 5 end of bellows, is conveniently replaceable wave
Bellows 5 is inserted into annular slot 13 by line pipe 5 when seated, the multiple use being staggeredly equipped on the inner wall of annular slot 13
The stability that bellows 5 is installed with annular slot 13 can be improved in the clamping bulge loop 14 of clamping bellows 5, reduce bellows 5 certainly
The probability skidded off in annular slot 13.
For further, it can also consider in the present invention, be additionally provided with impermeable sealing ring 15, the sealing
At gap of the circle 15 for compressing bellows 5 and annular slot 13.
Sealing ring 15 is used to compress bellows 5 at the gap of annular slot 13, and bellows 5 not only can be improved and inserted with annular
The stability that slot 13 is installed, but also the leakproofness between bellows 5 and annular slot 13 can be improved.
For further, it can also consider in the present invention, external profile diameter and inner tube 2 of the cap along structure 10
External profile diameter it is identical, each annular receiving groove 9 is coaxially disposed, and the annular receiving groove 9 is set close to one end of bellows 5
It is useful for the convex edge 16 of clamping mounting ring 6, the convex edge 16 is rubber material.
Cap is identical as the external profile diameter of inner tube 2 along the external profile diameter of structure 10, and 17 screw thread of welded flange is spun on cap along knot
Structure 10, inner tube 2 outer wall on, to secure the position between welded flange 17, mounting head 7, inner tube 2, ripple will be embedded with
In the installation to suitable annular receiving groove 9 of mounting ring 6 of 5 end of pipe, to realize the connection between bellows 9 and mounting head 7,
Annular receiving groove 9 is equipped with the convex edge 16 for clamping mounting ring 6 close to one end of bellows 5, improves annular receiving groove 9 and peace
Fill the stability that ring 6 is installed.
For further, it can also consider in the present invention, the welded flange 17 is hollow structure, the weldering
The inner edge of acting flange 17 is equipped with the internal thread being threadedly coupled with external screw thread of the cap in structure 10, inner tube 2, the welded flange 17
On be uniformly provided with multiple mounting holes 18.
By 17 screw thread of welded flange be spun on cap along structure 10, inner tube 2 outer wall on, to secure welded flange 17, peace
The position between head 7, inner tube 2 is filled, different welded flanges 17 can be connected by mounting hole.
For further, it can also consider in the present invention, 7 quantity of the mounting head is two, described in two
Mounting head 7 is respectively arranged on the left and right sides of bellows 5, and the hollow cavity 8 of the mounting head 7 is equipped with to be threadedly coupled with adapter 19
Internal thread, 19 outer wall of the adapter are equipped with external screw thread, and the adapter 19 is in hollow tubular, activity on the adapter 19
It is arranged with lock nut 20, the inner wall of the lock nut 20 is equipped with the internal thread being threadedly coupled with welded flange 17, the weldering
The outer wall of acting flange 17 is equipped with external screw thread, and limit is respectively equipped on 19 outer wall of adapter of 20 left and right sides of the lock nut
Ring 21.
Adapter 19 can be connected by screw thread with hollow cavity 8, after adapter 19 is screwed with hollow cavity 8, pass through lock nut
20 can the stability installed with mounting head 7 of further fixed transfer head 19, outside the adapter 19 of 20 left and right sides of lock nut
The spacing ring 21 being respectively equipped on wall can limit the position of lock nut 20 and pass through switching after mounting head 7 is connected with adapter 19
First 19 are connected with other pipelines, are suitable for the connection with the pipeline of multiple diameter specification, improve practicability.
Embodiment 2
As seen in figs. 5-6, the embodiments of the present invention 2 are further improved on the basis of embodiment 1, so as to
The technical advantage of the utility model can be given full play of, below just to this progress illustrative explanation.
For example, the inner edge of the adapter 19 is equipped with the cylindrical hollow hole 22 of multiple stepped arrangements, the hollow hole
22 diameter is sequentially reduced towards close to the direction of bellows 5, a circle rubber ring 25 is equipped between adjacent hollow hole 22, in described
The inner wall of emptying aperture 22 is equipped with internal thread.
As an example, the inner edge of the adapter 19 is equipped with the cylindrical hollow hole 22 of multiple stepped arrangements, in described
The diameter of emptying aperture 22 is sequentially reduced towards close to the direction of bellows 5, enabling it is adapted to connect the pipeline of a variety of different-diameters,
It is easy to use, when being equipped with a circle rubber ring 25 between adjacent hollow hole 22 and helping to improve adapter 19 and connect with other pipelines
Leakproofness.
The other structures of the present embodiment are identical as the structure of embodiment 1, therefore which is not described herein again.
Embodiment 3
As Figure 7-8, the embodiments of the present invention 3 are further improved on the basis of embodiment 2, so as to
The technical advantage of the utility model can be given full play of, below just to this progress illustrative explanation.
For example, the adapter 19 is in syphon shape.Adapter 19 is in syphon shape so that can be produced when being connected by adapter 19
Raw certain angle.
The other structures of the present embodiment are identical as the structure of embodiment 2, therefore which is not described herein again.
Embodiment 4
As shown in figs. 9-10, the embodiments of the present invention 4 are further improved on the basis of embodiment 1, with
Just the technical advantage of the utility model can be given full play of, below just to this progress illustrative explanation.
For example, rotation is equipped at least two adjustable plates 23 in the adapter 19, runs through on the adjustable plate 23 and be equipped with extremely
The inner wall of few three parallel water outlets 24, the adapter 19 is equipped with internal thread.
As an example, run through on adjustable plate 23 and be equipped at least three parallel water outlets 24, in the adapter 19 entered
Fluid by adjustable plate 23 when, fluid turbulence phenomenon can be reduced and reduce noise, by adjust two adjustable plates 23 between
Included angle may also function as the effect for adjusting fluid flow rate.
The other structures of the present embodiment are identical as the structure of embodiment 1, therefore which is not described herein again.
In conclusion the utility model provide it is a kind of have Telescopic, improve practicability, safety, service life,
Easy-to-use expansion corrugated pipe.
The utility model is described in detail in above example, but the content is only the preferable reality of the utility model
Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model
Variation and improvement etc., should all still belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of expansion corrugated pipe, it is characterised in that：Including：
Casing, with Telescopic comprising the inner surface of the outer tube and inner tube being connected through a screw thread, the outer tube is equipped with two
The oppositely oriented left-hand thread section of section, right-hand thread section；
Bellows is inserted in inner tube, and two ends of the bellows are embedded in mounting ring respectively；
Mounting head, middle part perforation are equipped with hollow cavity, and the mounting head is equipped at least one circle for card close to the side of mounting ring
The annular receiving groove of the mounting ring of different-diameter is connect, the mounting head part is inserted in inner tube, and the mounting head is far from inner tube
Side be cap along structure, the cap is equipped with close to the side of inner tube along structure and the matched occlusion portion of inner tube, the cap edge
Structure, inner tube outer wall on be respectively equipped with the external screw thread being threadedly coupled with welded flange.
2. a kind of expansion corrugated pipe according to claim 1, it is characterised in that：The quantity of said inner tube is two, described
Inner tube is inserted in outer tube, and is respectively equipped on the outer wall of two said inner tubes and is threadedly coupled with left-hand thread section, right-hand thread section
External screw thread, said inner tube, outer tube surface be coated with aluminium paint, being sticked on the outer wall of the outer tube has label.
3. a kind of expansion corrugated pipe according to claim 1, it is characterised in that：The mounting ring is close to the side of bellows
Equipped with annular slot is inserted into for corrugated tube end, side of the mounting ring far from bellows is blind end, and the annular is inserted
Multiple clamping bulge loops for clamping bellows are staggeredly equipped on the inner wall of slot.
4. a kind of expansion corrugated pipe according to claim 1, it is characterised in that：It is additionally provided with impermeable sealing ring, it is described
Sealing ring is used to compress at the gap of bellows and annular slot.
5. a kind of expansion corrugated pipe according to claim 1, it is characterised in that：The cap along structure external profile diameter with it is interior
The external profile diameter of pipe is identical, and each annular receiving groove coaxial arrangement, the annular receiving groove is set close to one end of bellows
It is useful for the convex edge of clamping mounting ring, the convex edge is rubber material.
6. a kind of expansion corrugated pipe according to claim 1, it is characterised in that：The welded flange is hollow structure, institute
The inner edge for stating welded flange is equipped with the internal thread that is threadedly coupled with external screw thread of the cap in structure, inner tube, on the welded flange
It is uniformly provided with multiple mounting holes.
7. a kind of expansion corrugated pipe according to claim 1, it is characterised in that：The mounting head quantity is two, two
The mounting head is respectively arranged on the left and right sides of bellows, and the hollow cavity of the mounting head with adapter equipped in being threadedly coupled
Screw thread, the adapter outer wall are equipped with external screw thread, and the adapter is in hollow tubular, and movable sleeve is equipped with lock on the adapter
Tight nut, the inner wall of the lock nut are equipped with the internal thread being threadedly coupled with welded flange, on the outer wall of the welded flange
Equipped with external screw thread, spacing ring is respectively equipped on the adapter outer wall at left and right sides of the lock nut.
8. a kind of expansion corrugated pipe according to claim 7, it is characterised in that：The inner edge of the adapter is in equipped with multiple
The diameter in the cylindrical hollow hole of ladder-like arrangement, the hollow hole is sequentially reduced towards the direction close to bellows, and adjacent is hollow
A circle rubber ring is equipped between hole, the inner wall of the hollow hole is equipped with internal thread.
9. a kind of expansion corrugated pipe according to claim 8, it is characterised in that：The adapter is in syphon shape.
10. a kind of expansion corrugated pipe according to claim 7, it is characterised in that：Rotation is equipped at least in the adapter
Two adjustable plates, through being equipped at least three parallel water outlets on the adjustable plate, the inner wall of the adapter is equipped with interior
Screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871947.5U CN207777842U (en) | 2017-12-28 | 2017-12-28 | A kind of expansion corrugated pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871947.5U CN207777842U (en) | 2017-12-28 | 2017-12-28 | A kind of expansion corrugated pipe |
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| CN207777842U true CN207777842U (en) | 2018-08-28 |
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| CN201721871947.5U Active CN207777842U (en) | 2017-12-28 | 2017-12-28 | A kind of expansion corrugated pipe |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953820A (en) * | 2018-09-13 | 2018-12-07 | 江苏永昌膨胀节有限公司 | A kind of high life wavy metal pipe device |
| CN109328991A (en) * | 2018-12-06 | 2019-02-15 | 盐城玉欣电动科技有限公司 | A kind of multi-stage telescopic water outlet stake |
| CN109812629A (en) * | 2019-03-22 | 2019-05-28 | 贵州枫叶管业有限公司 | The improved device of double wall corrugated high-density polyethylene pipes |
| CN110714961A (en) * | 2019-11-15 | 2020-01-21 | 中国人民解放军陆军工程大学 | Prestressed FRP pipe and connecting method |
| CN111609238A (en) * | 2020-06-29 | 2020-09-01 | 中船动力研究院有限公司 | Double-wall pipe structure for gas supply and assembling method thereof |
| CN113464751A (en) * | 2021-06-16 | 2021-10-01 | 中船动力研究院有限公司 | High-pressure oil pipe and high-pressure oil pipe assembling method |
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2017
- 2017-12-28 CN CN201721871947.5U patent/CN207777842U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953820A (en) * | 2018-09-13 | 2018-12-07 | 江苏永昌膨胀节有限公司 | A kind of high life wavy metal pipe device |
| CN109328991A (en) * | 2018-12-06 | 2019-02-15 | 盐城玉欣电动科技有限公司 | A kind of multi-stage telescopic water outlet stake |
| CN109328991B (en) * | 2018-12-06 | 2021-02-05 | 玉欣智能科技(江苏)有限公司 | Multi-stage telescopic water outlet pile |
| CN109812629A (en) * | 2019-03-22 | 2019-05-28 | 贵州枫叶管业有限公司 | The improved device of double wall corrugated high-density polyethylene pipes |
| CN109812629B (en) * | 2019-03-22 | 2024-06-04 | 贵州枫叶管业有限公司 | Improved device for high-density polyethylene double-wall corrugated pipe |
| CN110714961A (en) * | 2019-11-15 | 2020-01-21 | 中国人民解放军陆军工程大学 | Prestressed FRP pipe and connecting method |
| CN111609238A (en) * | 2020-06-29 | 2020-09-01 | 中船动力研究院有限公司 | Double-wall pipe structure for gas supply and assembling method thereof |
| CN113464751A (en) * | 2021-06-16 | 2021-10-01 | 中船动力研究院有限公司 | High-pressure oil pipe and high-pressure oil pipe assembling method |
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