CN201954176U - Expansion device for plastic pipe - Google Patents
Expansion device for plastic pipe Download PDFInfo
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- CN201954176U CN201954176U CN2011200911942U CN201120091194U CN201954176U CN 201954176 U CN201954176 U CN 201954176U CN 2011200911942 U CN2011200911942 U CN 2011200911942U CN 201120091194 U CN201120091194 U CN 201120091194U CN 201954176 U CN201954176 U CN 201954176U
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- plunger
- adapter sleeve
- pipe
- outer shroud
- protruding
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Abstract
The utility model discloses an expansion device for a plastic pipe, belonging to the technical field of a pipe compensation device. The expansion device for the plastic pipe comprises a core pipe, an outer connection sleeve B, a convex outer ring of the outer connection sleeve B, an inner plunger pipe frame, an inner plunger pipe with a convex outer ring, and an annular sealing frame with an O-shaped sealing ring A and an O-shaped sealing ring B, which are connected into a whole. When one end of the core pipe is pushed by axial thermal expansion force, the outer connection sleeve B, the core pipe, the inner plunger pipe provided with the convex outer ring and connected onto the inner plunger pipe frame, and the annular sealing frame with the O-shaped sealing ring A and the O-shaped sealing ring B can coaxially and synchronously move as a whole along the axial direction through propping of the convex outer ring of the outer connection sleeve B against a corrugated pipe which can be deformed flexibly. By adopting the structure, the utility model has the advantages that the pipe stress can be reduced, the sealing performance can be enhanced, the bearing capacity can be improved, the anti-corrosion effect can be achieved, a large amount of compensation can be realized, and the expansion device for the plastic pipe has a wide scope of application and multiple functions.
Description
Technical field
The utility model relates to a kind of plastic pipe expansion bend, belongs to the technical field of compensation of pipeline device, belongs to the technical field of the industrial pipeline compensation device structure of using in the industries such as petrochemical industry, light industry, electric power, municipal administration specifically; Especially application and development that power plant's reducing energy consumption (condensed water reclaims and uses plastic pipe) has further promoted to bury the ground plastic pipe.
Background technique
The plastic pipe compensation way of prior art is common have following several: 1. traditional natural U-shaped is bent formula, 2. non-metal compensator etc.Wherein: the curved formula compensation way crushing of natural U-shaped is bigger, particularly inapplicable in buried pipeline; Adopt common non-metal compensator when pipeline is in service, to have problems such as run, drip, leak all the time; Adopt the structure and the sealability of common slip-type expansion joint also not good enough, leakage phenomenon is more serious, and is also weak aspect anticorrosion link; Particularly adopting common non-metal compensator and common slip-type expansion joint all is the single seal form that adopts, and in the use: aspects such as flowing medium and bearing capacity all are subjected to certain limitation.
Summary of the invention
The utility model provides a kind of plastic pipe expansion bend, to realize solving the deficiency of existing several compensation types; Reach and reduce pipe stress, strengthen sealability, improve bearing capacity, possess preservative efficacy, can realize the large compensation amount, need not the occupying volume external space, multifunctional characteristics applied widely; And operating cost is low, can guarantee that pipe network operation is safe and reliable, can play purpose of energy saving again.
The technical solution of the utility model is in order to achieve the above object:
A kind of plastic pipe expansion bend comprises outer adapter sleeve A, plunger outer tube framework, the fixedly protruding outer shroud of pipe in reinforcement pins A, the plunger, anti-slip limited ring, fixedly pipe support structure, ring packing framework, plunger outer tube, the interior pipe of plunger, bellows, O RunddichtringO C, the protruding outer shroud of outer adapter sleeve A, O RunddichtringO D, anticorrosion overcoat framework A, anticorrosion overcoat, filled insulation and anticorrosion overcoat framework B in reinforcement pins B, O RunddichtringO B, O RunddichtringO A, core pipe, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, the plunger;
One end outer shroud ring set of described core pipe has outer adapter sleeve A, and the other end outer shroud ring set has outer adapter sleeve B, and this core pipe and described outer adapter sleeve B are overall structure by bonding being connected and fixed;
Ring surface convexes with the protruding outer shroud of outer adapter sleeve A outside the termination of described outer adapter sleeve A ring set core Guan Yiduan, the interior ring surface of its correspondence is concaved with at least two recess grooves that are parallel to each other, and this O RunddichtringO C is with in O RunddichtringO D embeds different recess grooves respectively; Ring surface convexes with the protruding outer shroud of outer adapter sleeve B outside the termination of described outer adapter sleeve B ring set core Guan Yiduan;
Described bellows ring set protruding outer shroud of adapter sleeve A on the core pipe and outside this and outside between the protruding outer shroud opposing end surface of adapter sleeve B, the overlapping corresponding end face that is overlapped on the protruding outer shroud of this outer adapter sleeve A and is somebody's turn to do the protruding outer shroud of outer adapter sleeve B in the two ends of bellows, and be connected and fixed with corresponding end face is bonding respectively;
The outer shroud of described plunger outer tube framework ring set protruding outer shroud of adapter sleeve A outside this, plunger outer tube framework inner ring surface is provided with the annular notch that can withhold bellows one side head, and this plunger outer tube framework, the protruding outer shroud of outer adapter sleeve A are connected and fixed by bonding;
The outer shroud of the protruding outer shroud of described outer adapter sleeve B is arranged with pipe support structure in the plunger, and pipe support structure inner ring surface is provided with the annular notch that can withhold bellows one side head in this plunger, and pipe support structure, the protruding outer shroud of outer adapter sleeve B are connected and fixed by bonding in this plunger;
Pipe is tube structure in the described plunger, and the outer end is by the bonding outer ring surface that is fastened on pipe support structure in this plunger, and the inner outstanding outer shroud that is enclosed within bellows, this termination, the inner outer shroud are convexly equipped with and are equipped with the protruding outer shroud of pipe in the plunger; The outer shroud of pipe outer end is arranged with the ring packing framework in this plunger, and the outer ring surface of this ring packing framework is concaved with at least two recess grooves that are parallel to each other, and this O RunddichtringO A is with in O RunddichtringO B embeds different recess grooves respectively; The outer ring surface of pipe external end head is connected and fixed by bonding in the inwall of ring packing framework and the plunger;
Described plunger outer tube is cylinder-shaped structure, and on the pipe, the outer ring surface of an end and plunger outer tube framework is connected and fixed by bonding ring set in this bellows and plunger, and the other end slides over the outer shroud of ring packing framework; The inner ring surface one of this plunger outer tube convexes with the anti-slip limited ring, and this anti-slip limited ring is managed between the protruding outer shroud in described ring packing framework and plunger;
At least one fixedly reinforcement pins B along circumference evenly distribute and connect pipe in pipe support structure in the plunger and the plunger with an end of pipe and bellows in pipe support structure, the plunger in the plunger with outside adapter sleeve B protruding outside battle pin fix;
At least one fixedly reinforcement pins A along circumference evenly distribute and connect plunger outer tube framework and plunger outer tube with an end of plunger outer tube framework, plunger outer tube and bellows with outside adapter sleeve A protruding outside battle pin fix;
Described anticorrosion overcoat axial cross section is shaped as the grooved tubular structure to a side opening, the outer shroud of one ring set adapter sleeve A and this plunger outer tube outside this, reach the outer shroud that further extends to this outer adapter sleeve A with this plunger outer tube and form a hollow space, one is inserted filled insulation in the described hollow space;
Described filled insulation global shape is the ladder tubular with big osculum, and osculum end contact is encircled the bonding anticorrosion overcoat framework B that is connected and fixed respectively with in outer adapter sleeve A outer shroud and the anticorrosion overcoat; The big opening end contact is encircled the bonding anticorrosion overcoat framework A that is connected and fixed respectively with in plunger outer tube outer shroud and the anticorrosion overcoat;
The pipeline of connection is installed in the extension of described outer adapter sleeve A and the anticorrosion thermal insulating warm-keeping layer filled insulation of plunger outer tube outer shroud finally is structure as a whole; The outer shroud of the pipeline that described outer adapter sleeve B and extension installation connect is provided with the anticorrosion thermal insulating warm-keeping layer of integrative-structure.
The two ends of this bellows meet at right angles and detain the corresponding end face that is overlapped on the protruding outer shroud of this outer adapter sleeve A and is somebody's turn to do the protruding outer shroud of outer adapter sleeve B respectively, and are connected and fixed with corresponding end face is bonding respectively.
This bonding being connected and fixed adopts the bonding of chemical agent to be connected and fixed.
The sectional shape that is somebody's turn to do the protruding outer shroud of outer adapter sleeve A is a rectangle; The sectional shape that is somebody's turn to do the protruding outer shroud of outer adapter sleeve B is a rectangle.
The sectional shape of this plunger outer tube framework is a rectangle; The sectional shape of pipe support structure is a rectangle in this plunger.
One end of this bellows inserts and is fixed between interior pipe support structure of this plunger and the protruding outer shroud surface of contact of outer adapter sleeve B, and the other end of this bellows inserts and is fixed between this plunger outer tube framework and the protruding outer shroud surface of contact of outer adapter sleeve A.
The sectional shape of the protruding outer shroud of pipe is a rectangle in this plunger; The sectional shape of this anti-slip limited ring is a rectangle.
This bellows is arranged in the annular space that a end that described core pipe and this plunger pipe become to lean out shape surrounds.
Pipe support structure in this core pipe, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, plunger, the ring packing framework that has pipe in the plunger of the protruding outer shroud of pipe in the plunger and have O RunddichtringO A and an O RunddichtringO B connect as one structure; Form when core Guan Yiduan is subjected to axial thermal expansion power and squeeze when pushing away, but described outer adapter sleeve B, core pipe, have the protruding outer shroud of pipe in the plunger and be connected the structure that this bellows vertically coaxial synchronous integral body of the interior ring packing framework of managing and having O RunddichtringO A and an O RunddichtringO B of the plunger on the pipe support structure in the plunger by the protruding outer shroud contact of outer adapter sleeve B self plastic deformation moves.
The employing the technical solution of the utility model can be according to the standard of city heat supply compensator and the standard of weldering system sleeve expansion joint, at the operating race of pipeline, emit, let out, problems such as leakage, with FlexbleJoint, the advantage of sleeve expansion joint and whirl compensator organically combines, because core Guan Yiduan outer is equipped with into the outer adapter sleeve A that ring set leans out shape, outer adapter sleeve A is inner facing to being equipped with two annular notch grooves in the core pipe outer shroud, O RunddichtringO C and O RunddichtringO D are seated in respectively in two annular notch grooves, the link closely outer ring surface of core pipe of the interior ring of this O RunddichtringO C and O RunddichtringO D, the inner outer shroud of outer adapter sleeve A is integrally formed with the protruding outer shroud of outer adapter sleeve A; The other end of core pipe is equipped with into the outer adapter sleeve B that ring set leans out shape outward, and the inner outer shroud of outer adapter sleeve B is integrally formed with the protruding outer shroud of outer adapter sleeve B, and the inner interior ring of outer adapter sleeve B becomes overlapping overlap joint shape to fix with the outer shroud of core pipe; Be provided with cylinder-shaped bellows between protruding outer shroud of outer adapter sleeve A and the protruding outer shroud opposing end surface of outer adapter sleeve B, the two ends of bellows become overlapping overlap joint to fix with the outer ring surface of protruding outer shroud of outer adapter sleeve A and the protruding outer shroud of outer adapter sleeve B respectively; The outer shroud of the protruding outer shroud of outer adapter sleeve B is arranged with pipe support structure in the plunger, in the plunger pipe support structure the inner in be equipped with the annular notch of withholding bellows one termination, the outer shroud that makes the inner ring sleeve of pipe support structure in the plunger be buckled in protruding outer shroud of outer adapter sleeve B and bellows one termination is adhesively fixed; Pipe box is located at the outside that the interior pipe support structure of plunger comprises bellows in the plunger, and pipe the inner is provided with the protruding outer shroud of pipe in the plunger in the plunger, and the outer shroud of pipe support structure is adhesively fixed in the inwall of the outer termination of the interior pipe of plunger and the plunger; Plunger outer tube framework ring set is the outer shroud of the protruding outer shroud of adapter sleeve A outside, be equipped with the annular notch of withholding bellows one termination in plunger outer tube framework the inner, the outer shroud that makes the inner ring sleeve of plunger outer tube framework be buckled in protruding outer shroud of outer adapter sleeve A and bellows one termination is adhesively fixed respectively; The outer shroud of the outer termination of pipe is arranged with the ring packing framework that comprises O RunddichtringO A and O RunddichtringO B in the plunger, and the outer ring surface of the outer termination of pipe is adhesively fixed in the inwall of ring packing framework and the plunger; The outer fixedly reinforcement pins B that connects pipe in interior pipe support structure of plunger and the plunger that is equipped with of the protruding outer shroud of outer adapter sleeve B; The outer fixedly reinforcement pins A that connects plunger outer tube framework and plunger outer tube that is equipped with of the protruding outer shroud of outer adapter sleeve A; Cylinder-shaped plunger outer tube ring set is at the outer shroud of ring packing framework and plunger outer tube framework, pipe in the plunger become to lean out shape with the outer end ring packing framework, the inwall that the plunger outer tube is managed in ring packing framework and plunger between the protruding outer shroud is provided with an anti-slip limited ring, and the link closely outer ring surface of plunger outer tube framework of a termination inwall is adhesively fixed; The other end inwall link closely O RunddichtringO A in the annular seal rack structure and the outer shroud of O RunddichtringO B; Anticorrosion overcoat framework A and anticorrosion overcoat framework B respectively latch closure the outer shroud of plunger outer tube external end head and outside the outer shroud of adapter sleeve A, and be adhesively fixed respectively; Axial cross section is shaped as the outer shroud that anticorrosion outer sleeve to the grooved tubular structure of a side opening is enclosed within anticorrosion overcoat framework A and anticorrosion overcoat framework A and is adhesively fixed; Anticorrosion overcoat and plunger outer tube comprise in the chamber between the outer shroud of outer adapter sleeve A part and are provided with filled insulation; Outer adapter sleeve A (comprise the pipeline that connects is installed) finally is structure as a whole with the anticorrosion thermal insulating warm-keeping layer of plunger outer tube outer shroud; The anticorrosion thermal insulating warm-keeping layer of outer shroud of outer adapter sleeve B outer shroud (comprise the pipeline that connects is installed) finally is structure as a whole; The core pipe comprises that outer shroud is provided with pipe support structure in the outer adapter sleeve B of one, the protruding outer shroud of outer adapter sleeve B, plunger and the ring packing framework that has pipe in the plunger of the protruding outer shroud of pipe in the plunger and have O RunddichtringO A and an O RunddichtringO B finally is structure as a whole; When being subjected to axial thermal expansion power, outer adapter sleeve B one end squeezes when pushing away the structure that can coaxial vertically synchronous integral body moves, bellows is by self plastic deformation, forming the anticorrosion thermal insulating warm-keeping layer of outer adapter sleeve B one end and the anticorrosion thermal insulating warm-keeping layer of outer adapter sleeve A one end respectively is one, and integrated piping is independent of each other when heat expansion, shrinkage each other; Both can be applicable in the buried pipeline, can be applicable on the aerial pipeline again; Self structure possesses anticorrosion, adiabatic multifunctional characteristics simultaneously.Adopt such structure to have the pipe stress of reducing, strengthen sealability, improve bearing capacity, possess preservative efficacy, can realize the large compensation amount, multi-functional characteristics applied widely; Less investment, operating cost is low, really reaches to guarantee that pipe network was both safe and reliable to operation, can reach purpose of energy saving again.
Description of drawings
Fig. 1 absorbs thermal walking pre-structure schematic representation for the utility model
Fig. 2 absorbs structural representation after the thermal walking for the utility model
Fig. 3 absorbs structural representation after the thermal walking shrinkage for the utility model
Description of reference numerals:
1. outer adapter sleeve A
2. plunger outer tube framework
Fixedly reinforcement pins A,
The protruding outer shroud of pipe in the plunger,
The anti-slip limited ring,
6. fixing reinforcement pins B
7.O RunddichtringO B
8.O RunddichtringO A
9. core pipe
10. outer adapter sleeve B
11. the protruding outer shroud of outer adapter sleeve B
12. pipe support structure in the plunger
13. ring packing framework
14. plunger outer tube
15. pipe in the plunger
16. bellows
17.O RunddichtringO C
18. the protruding outer shroud of outer adapter sleeve A
19.O RunddichtringO D
20. anticorrosion overcoat framework A
21. anticorrosion overcoat
22. filled insulation
23. anticorrosion overcoat framework B.
Embodiment:
Below in conjunction with accompanying drawing the technical solution of the utility model is described in detail as follows.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of plastic pipe expansion bend comprises the outer adapter sleeve A1 that is made by plastic materials, plunger outer tube framework 2, fixing reinforcement pins A3, the protruding outer shroud 4 of pipe in the plunger, anti-slip limited ring 5, fixing reinforcement pins B6, O RunddichtringO B7, O RunddichtringO A8, core pipe 9, outer adapter sleeve B10, the protruding outer shroud 11 of outer adapter sleeve B, pipe support structure 12 in the plunger, ring packing framework 13, plunger outer tube 14, pipe 15 in the plunger, bellows 16, O RunddichtringO C17, the protruding outer shroud 18 of outer adapter sleeve A, O RunddichtringO D19, anticorrosion overcoat framework A20, anticorrosion overcoat 21, filled insulation 22 and anticorrosion overcoat framework B23;
One end outer shroud ring set of described core pipe 9 has outer adapter sleeve A1, and the other end outer shroud ring set has outer adapter sleeve B10, and this core pipe 9 is overall structure with described outer adapter sleeve B10 by (employing chemical agent) bonding being connected and fixed;
The outer ring surface in the termination of described outer adapter sleeve A1 ring set core pipe 9 one ends (or claiming inner termination) convexes with the protruding outer shroud 18 of outer adapter sleeve A, the sectional shape that is somebody's turn to do the protruding outer shroud 18 of outer adapter sleeve A is a rectangle, the interior ring surface of its correspondence is concaved with the recess groove that at least two (for example two) are parallel to each other, and this O RunddichtringO C17 is with in O RunddichtringO D19 embeds different recess grooves respectively; Ring surface convexes with the protruding outer shroud 11 of outer adapter sleeve B outside the termination of described outer adapter sleeve B10 ring set core pipe 9 one ends, and the sectional shape of the protruding outer shroud 11 of this outer adapter sleeve B is a rectangle;
Described bellows 16 ring sets on core pipe 9 outer shrouds and be positioned at outside this protruding outer shroud 18 of adapter sleeve A with outside between protruding outer shroud 11 both relative (wearing) end faces of adapter sleeve B, the two ends of bellows 16 meet at right angles respectively button overlap joint or the overlapping corresponding end face that is overlapped on the protruding outer shroud 18 of this outer adapter sleeve A and this protruding outer shroud 11 of outer adapter sleeve B, and respectively with bonding being connected and fixed of corresponding end face (employing chemical agent);
Described plunger outer tube framework 2 is the ring structure of rectangle for the cross section, the outer ring surface of ring set protruding outer shroud 18 of adapter sleeve A outside this, plunger outer tube framework 2 inner ring surfaces are provided with the annular notch that can withhold bellows 16 1 side heads, and this plunger outer tube framework 2, the protruding outer shroud 18 of outer adapter sleeve A (with the bellows 16 1 side heads that insert annular notch) are connected and fixed by bonding;
The outer shroud of the protruding outer shroud 11 of described outer adapter sleeve B is arranged with pipe support structure 12 in the plunger, pipe support structure 12 inner ring surfaces are provided with the annular notch that can withhold bellows 16 1 side heads in this plunger, pipe support structure 12 in this plunger, the protruding outer shroud 11 of outer adapter sleeve B (with the bellows 16 1 side heads that insert annular notch, promptly with respect to the opposite side termination of the bellows 16 1 side heads that insert this plunger outer tube framework 2 and protruding outer shroud 18 annular notch of outer adapter sleeve A) are connected and fixed by bonding;
In fact also an end that can be this bellows 16 inserts and is fixed between interior pipe support structure 12 of this plunger and protruding outer shroud 11 surface of contact of outer adapter sleeve B, and the other end of this bellows 16 inserts and is fixed between this plunger outer tube framework 2 and protruding outer shroud 18 surface of contact of outer adapter sleeve A.
The sectional shape of this plunger outer tube framework 2 is a rectangle; The sectional shape of pipe support structure 12 is a rectangle in this plunger;
Described plunger outer tube 14 is cylinder-shaped structure, and ring set is managed in this bellows 16 and plunger on 15, and the outer ring surface of an end and plunger outer tube framework 2 is connected and fixed by bonding, and the other end slides over the outer shroud of ring packing framework 13; The inner ring surface one of this plunger outer tube 14 convexes with anti-slip limited ring 5, and this anti-slip limited ring 5 is managed between the protruding outer shroud 4 in described ring packing framework 13 and plunger;
At least one (for example 4-10) fixedly reinforcement pins B6 along circumference evenly distribute and connect pipe 15 in pipe support structure 12 in the plunger and the plunger with an end of pipe 15 and bellows 16 in pipe support structure 12, the plunger in the plunger with outside the protruding outer shroud 11 of adapter sleeve B sell and be connected;
At least one (for example 4-10) fixedly reinforcement pins A3 along circumference evenly distribute and connect plunger outer tube framework 2 and plunger outer tube 14 with an end of plunger outer tube framework 2, plunger outer tube 14 and bellows 16 with outside the protruding outer shroud 18 of adapter sleeve A sell and be connected;
Described anticorrosion overcoat 21 axial cross sections are shaped as the grooved tubular structure to a side opening, the outer shroud of one ring set adapter sleeve A1 and this plunger outer tube 14 outside this, reach the outer shroud that further extends to this outer adapter sleeve A1 with this plunger outer tube 14 and form a hollow space, one is inserted filled insulation 22 in the described hollow space;
Described filled insulation 22 global shapes are the ladder tubular with big osculum, and osculum end contact is encircled the bonding anticorrosion overcoat framework B23 that is connected and fixed respectively with in outer adapter sleeve A1 outer shroud and the anticorrosion overcoat 21; The big opening end contact is encircled the bonding anticorrosion overcoat framework A20 that is connected and fixed respectively with in plunger outer tube 14 outer shrouds and the anticorrosion overcoat 21;
The pipeline of connection is installed in the extension of described outer adapter sleeve A1 and the anticorrosion thermal insulating warm-keeping layer filled insulation 22 of plunger outer tube 14 outer shrouds finally is structure as a whole; The outer shroud of the pipeline that described outer adapter sleeve B10 and extension installation connect is provided with the anticorrosion thermal insulating warm-keeping layer of integrative-structure.
Pipe support structure 12 in this core pipe 9, outer adapter sleeve B10, the protruding outer shroud 11 of outer adapter sleeve B, plunger, the ring packing framework 13 that has pipe 15 in the plunger of the protruding outer shroud 4 of pipe in the plunger and have O RunddichtringO A8 and an O RunddichtringO B7 connect as one structure; Form when core pipe 9 one ends are subjected to axial thermal expansion power and squeeze when pushing away, but described outer adapter sleeve B10, core pipe 9, have the protruding outer shroud 4 of pipe in the plunger and be connected that the plunger on the pipe support structure 12 in the plunger is interior manages 15 and the structure that moves of the ring packing framework 13 that has O RunddichtringO A8 and an O RunddichtringO B7 coaxial vertically synchronous integral body of this bellows 16 by protruding outer shroud 11 contacts of outer adapter sleeve B self plastic deformation.
In sum, outer adapter sleeve A, the protruding outer shroud of outer adapter sleeve A, O RunddichtringO C and O RunddichtringO D, plunger outer tube framework, plunger outer tube, anti-slip limited ring, anticorrosion overcoat framework A, anticorrosion overcoat, filled insulation and anticorrosion overcoat framework B finally are structure as a whole; Pipe support structure, the interior pipe of plunger, ring packing framework, O RunddichtringO A and O RunddichtringO B finally are structure as a whole in core pipe, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, the plunger; Squeeze when pushing away when outer adapter sleeve B one end is subjected to axial thermal expansion power, in this core pipe, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, the plunger in pipe support structure, the plunger pipe, ring packing framework comprise that O RunddichtringO A and O RunddichtringO B can carry out left and right displacement with the coaxial vertically synchronous integral body of the plastic deformation of bellows.Adopt such structure to have the pipe stress of reducing, strengthen sealability, improve bearing capacity, possess preservative efficacy, can realize the large compensation amount, further enlarge Applicable scope, less investment, operating cost is low, really can make safe and reliable, the energy-conservation multifunctional characteristics of pipe network operation.
The technical solution of the utility model when implementing since outside adapter sleeve A, the protruding outer shroud of outer adapter sleeve A, O RunddichtringO C and O RunddichtringO D, plunger outer tube framework, plunger outer tube, anti-slip limited ring, anticorrosion overcoat framework A, anticorrosion overcoat, filled insulation and anticorrosion overcoat framework B finally be structure as a whole; Pipe support structure, the interior pipe of plunger, ring packing framework, O RunddichtringO A and O RunddichtringO B finally are structure as a whole in core pipe, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, the plunger; When assembling:
The first step is coated with the inwall of the anchor ring of the specified position of core pipe outer shroud one end and the inner specified position of outer adapter sleeve B cylindrical shell and rinses special-purpose chemical agent, the core pipe of then outer endless belt chemical agent one end inserts with the inner specified position of the outer adapter sleeve B cylindrical shell of chemical agent one end, and core pipe and outer adapter sleeve B are adhesively fixed firmly.
Second step was coated with the inner outer ring surface of the inwall of bellows one termination and the protruding outer shroud of outer adapter sleeve B and rinses special-purpose chemical agent, then inner wall belt chemical agent one end installs to the core pipe from the other end cover of core pipe outer shroud, and make the outer shroud specified position of the termination inwall hitch of bellows to the protruding outer shroud of outer adapter sleeve B, make protruding outer being adhesively fixed firmly of bellows and outer adapter sleeve B.
The 3rd step was coated with the inner outer ring surface of the inwall of another termination of bellows and the protruding outer shroud of outer adapter sleeve A and rinses special-purpose chemical agent, then O RunddichtringO C and O RunddichtringO D are embedded respectively in two annular notch grooves of the inboard inner end of outer adapter sleeve A, then will be with the outer adapter sleeve A hitch of the protruding outer shroud of outer adapter sleeve A and O RunddichtringO C and O RunddichtringO D specified position to the other end outer shroud of core pipe, the protruding outer shroud of outer adapter sleeve A is inserted in the chamber of another inboard, termination of bellows, and the inner outer ring surface of the protruding outer shroud of outer adapter sleeve A and another termination inwall of bellows are adhesively fixed firmly by chemical agent; (as shown in Figure 1) the interior ring of O RunddichtringO C and O RunddichtringO D is linked closely to the do outer shroud of the other end of core pipe.
The 4th step comprised that the inboard of the plunger outer tube framework of the outer ring surface of bellows termination and ring-type was coated with the chemical agent of rinsing special use to outer adapter sleeve A protruding outer shroud, the outer shroud with plunger outer tube framework then from outer adapter sleeve A outer end hitch to the protruding outer shroud of outer adapter sleeve A that comprises the bellows termination, and make plunger outer tube framework and comprise that the protruding outer shroud of outer adapter sleeve A of bellows termination is adhesively fixed firmly by chemical agent.
The 5th step comprised outer adapter sleeve B protruding outer shroud the inboard of pipe support structure in the plunger of the outer ring surface of bellows termination and ring-type is coated with the chemical agent of rinsing special use, the outer shroud with pipe support structure in the plunger then from outer adapter sleeve B outer end hitch to the protruding outer shroud of outer adapter sleeve B that comprises the bellows termination, and make in the plunger pipe support structure and comprise that the protruding outer shroud of outer adapter sleeve B of bellows termination is adhesively fixed firmly by chemical agent.
The 6th step was rinsed special-purpose chemical agent being coated with the inboard outer ring surface with the interior pipe support structure of plunger of the outer end of pipe in the cylinder-shaped plunger of managing protruding outer shroud in the plunger, then with pipe box button in the cylinder-shaped plunger to the outside of bellows, make the link closely outer ring surface of pipe support structure in the plunger of the outer end inwall of pipe in the plunger, and make in the plunger by chemical agent that the pipe support structure is adhesively fixed firmly in the pipe and plunger; (as shown in Figure 1) then in plunger the anchor ring of the outer end of pipe beat the hole of the fixedly reinforcement pins B that connects pipe support structure in the plunger and the outer protruding outer shroud of adapter sleeve B, and make fixedly by chemical agent manage in the reinforcement pins B and plunger, pipe support structure and the protruding outer shroud of outer adapter sleeve B are adhesively fixed firmly in the plunger.
The 7th step is being coated with the chemical agent of rinsing special use with the cylinder-shaped plunger outer tube one end inwall of anti-slip limited ring and the outer ring surface of plunger outer tube framework, then the plunger outer tube is managed the outside from pipe outer end hitch in the plunger to plunger, make plunger outer tube the link closely outer ring surface of plunger outer tube framework of end inwall of keeping right, and plunger outer tube and plunger outer tube framework are adhesively fixed firmly by chemical agent; (as shown in Figure 1) then the plunger outer tube beat by the anchor ring of termination connect plunger outer tube framework and outside the hole of fixedly reinforcement pins A of the protruding outer shroud of adapter sleeve A, and make fixedly by chemical agent that reinforcement pins A and plunger outer tube, plunger outer tube framework and the protruding outer shroud of outer adapter sleeve A are adhesively fixed firmly.(as shown in Figure 1) termination of plunger outer tube flushes with the exterior edge face of plunger outer tube framework, and another termination of plunger outer tube becomes to lean out shape with the exterior edge face of the interior pipe support structure of plunger.
The 8th step is being coated with the chemical agent of rinsing special use with the ring packing framework inwall of O RunddichtringO A and O RunddichtringO B and the outer ring surface of the outer end of the interior pipe of plunger, then with the outer shroud of ring packing framework hitch outer end of pipe to the plunger, make the link closely outer ring surface of the outer end of pipe in the plunger of ring packing framework inwall, and make in the plunger by chemical agent that the pipe support structure is adhesively fixed firmly in the pipe and plunger; Make the outer shroud of O RunddichtringO A and O RunddichtringO B be tight against the inwall of plunger outer tube simultaneously.
The 9th step had the external end head of the anticorrosion overcoat framework A hitch of at least one filler port to the plunger outer tube to anti-end face, and by adopting chemical agent to be adhesively fixed; Directly the anticorrosion overcoat framework B that end face is had at least one filler port from outer adapter sleeve A external end head hitch to outside the specified position of adapter sleeve A outer shroud, and, then the anticorrosion overcoat of cylinder-shaped band reducing is held the outer shroud of outer shroud hitch to anticorrosion overcoat framework A outer end from anticorrosion overcoat framework B by adopting chemical agent to be adhesively fixed.Inject filled insulation in the chamber between between anticorrosion overcoat and plunger outer tube, (comprising adapter sleeve A outside the part) at last.
This technology makes:
1. managing protruding outer shroud, ring packing framework, O RunddichtringO A and O RunddichtringO B in described core pipe, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, the plunger in pipe support structure, the plunger in pipe, the plunger finally is structure as a whole; Squeeze when pushing away when outer adapter sleeve B one end is subjected to axial thermal expansion power, in the core pipe that this finally is structure as a whole, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, the plunger in pipe support structure, the plunger in pipe, the plunger the protruding outer shroud of pipe, ring packing framework, O RunddichtringO A and O RunddichtringO B can carry out left and right vertically displacement synchronously with the plastic deformation of bellows necessary condition is provided.
2. fixedlying connected with the protruding outer shroud of outer adapter sleeve B of outer adapter sleeve B one and the overlapping overlap joint of the protruding outer shroud of outer adapter sleeve A of outer adapter sleeve A one respectively in the described bellows two ends of passing through, perhaps says by flexibly connecting of bellows finally to make outer adapter sleeve B and outer adapter sleeve A become an integral tubular structure; It is logical to have determined that at first entire equipment does not have leakage; Add the core pipe and fixedly connected with the overlapping overlap joint of outer adapter sleeve B, O RunddichtringO C that is provided with between core pipe and the overlapping overlap joint anchor ring of outer adapter sleeve A and O RunddichtringO D's is multi-sealed; Sealability is fully guaranteed.
3. describedly, squeezes when pushing away at outer adapter sleeve B one end when being subjected to axial thermal expansion power, the core pipe that this finally is structure as a whole, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, pipe support structure in the plunger, pipe in the plunger, the protruding outer shroud of pipe in the plunger, the ring packing framework can carry out synchronously a left side vertically with the plastic deformation of bellows, during right displacement, when the crowded pushing of adapter sleeve A end outward moves in other words, O RunddichtringO A in the ring packing framework and O RunddichtringO B have played the seal action between interior pipe of plunger and plunger outer tube anchor ring, can stop underground water to enter the effect of the cavity at bellows position when (especially for directly buried pipeline).
4. the distance in the described plunger between protruding outer shroud of pipe and anti-slip limited ring end face and the distance of ring packing framework outer end to plunger outer tube outer end, (as shown in Figure 1) this distance is to consider the coefficient of plastic pipe shrinkage, (as shown in Figure 3) protruding outer shroud of pipe and anti-slip limited ring end face just in time offset in pipeline shrinkage back-plunger out of service, and ring packing framework outer end also just in time flushes equally with plunger outer tube outer end;
5. the effect to anticorrosion, the insulating energy-saving of primary structural component, (especially for directly buried pipeline) have been played in anticorrosion overcoat of the diameter reducing type of described disjunctor and filled insulation; Also be convenient to simultaneously the outer heat-insulation integral lapping construction of outer adapter sleeve and (main pipe after the installation).
6. the anti-slip limited ring that described plunger outer tube wall is integrally formed with has played parts such as core pipe when carrying out synchronous left and right axial displacement, when pipeline shrinkage out of service, manage protruding outer shroud, ring packing framework integral body in other words in this core pipe that finally is structure as a whole, outer adapter sleeve B, the protruding outer shroud of outer adapter sleeve B, the plunger in pipe support structure, the plunger in pipe, the plunger with the anti-slip effect that the plastic deformation of bellows pulls outward, further improved the safety guarantee of equipment operation.
Claims (9)
1. a plastic pipe expansion bend is characterized in that: comprise outer adapter sleeve A (1), plunger outer tube framework (2), fixing reinforcement pins A (3), pipe protruding outer shroud (4) in the plunger, anti-slip limited ring (5), fixing reinforcement pins B (6), O RunddichtringO B (7), O RunddichtringO A (8), core pipe (9), outer adapter sleeve B (10), the protruding outer shroud of outer adapter sleeve B (11), pipe support structure (12) in the plunger, ring packing framework (13), plunger outer tube (14), pipe (15) in the plunger, bellows (16), O RunddichtringO C (17), the protruding outer shroud of outer adapter sleeve A (18), O RunddichtringO D (19), anticorrosion overcoat framework A (20), anticorrosion overcoat (21), filled insulation (22) and anticorrosion overcoat framework B (23);
One end outer shroud ring set of described core pipe (9) has outer adapter sleeve A (1), and the other end outer shroud ring set has outer adapter sleeve B (10), and this core pipe (9) is overall structure with described outer adapter sleeve B (10) by bonding being connected and fixed;
Ring surface convexes with the protruding outer shroud of outer adapter sleeve A (18) outside the termination of described outer adapter sleeve A (1) ring set core pipe (9) one ends, the interior ring surface of its correspondence is concaved with at least two recess grooves that are parallel to each other, and this O RunddichtringO C (17) is with in O RunddichtringO D (19) embeds different recess grooves respectively; Ring surface convexes with the protruding outer shroud of outer adapter sleeve B (11) outside the termination of described outer adapter sleeve B (10) ring set core pipe (9) one ends;
Described bellows (16) ring set core pipe (9) go up and be positioned at outside this protruding outer shroud of adapter sleeve A (18) and outside between both opposing end surfaces of the protruding outer shroud of adapter sleeve B (11), the overlapping corresponding inner outer shroud that is overlapped on this protruding outer shroud of outer adapter sleeve A (18) and is somebody's turn to do the protruding outer shroud of outer adapter sleeve B (11) in the two ends of bellows (16), and be connected and fixed with corresponding outer shroud is bonding respectively;
The outer shroud of described plunger outer tube framework (2) ring set protruding outer shroud of adapter sleeve A (18) outside this, plunger outer tube framework (2) inner ring surface is provided with the annular notch that can withhold bellows (16) one side heads, and this plunger outer tube framework (2), the protruding outer shroud of outer adapter sleeve A (18) are connected and fixed by bonding;
The outer shroud of the described protruding outer shroud of outer adapter sleeve B (11) is arranged with pipe support structure (12) in the plunger, pipe support structure (12) inner ring surface is provided with the annular notch that can withhold bellows (16) one side heads in this plunger, and pipe support structure (12), the protruding outer shroud of outer adapter sleeve B (11) are connected and fixed by bonding in this plunger;
Pipe (15) is a tube structure in the described plunger, and the outer end is by the bonding outer ring surface that is fastened on pipe support structure (12) in this plunger, and the inner outstanding outer shroud that is enclosed within bellows (16), this termination, the inner outer shroud are convexly equipped with and are equipped with pipe protruding outer shroud (4) in the plunger; The outer shroud of pipe (15) outer end is arranged with ring packing framework (13) in this plunger, the outer ring surface of this ring packing framework (13) is concaved with at least two recess grooves that are parallel to each other, and this O RunddichtringO A (8) is with in O RunddichtringO B (7) embeds different recess grooves respectively; The outer ring surface of pipe (15) external end head is connected and fixed by bonding in the inwall of ring packing framework (13) and the plunger;
Described plunger outer tube (14) is cylinder-shaped structure, and ring set is managed in this bellows (16) and plunger on (15), and the outer ring surface of an end and plunger outer tube framework (2) is connected and fixed by bonding, and the other end slides over the outer shroud of ring packing framework (13); The inner ring surface one of this plunger outer tube (14) convexes with anti-slip limited ring (5), and this anti-slip limited ring (5) is positioned between described ring packing framework (13) and the plunger protruding outer shroud of pipe (4);
At least one fixedly reinforcement pins B (6) evenly distribute and connect in the plunger in pipe support structure (12) and the plunger pipe (15) along circumference an end of pipe (15) and bellows (16) in pipe support structure (12), the plunger in the plunger is fixed with the outer protruding outer shroud of adapter sleeve B (11) pin;
At least one fixedly reinforcement pins A (3) evenly distribute and connect plunger outer tube framework (2) and plunger outer tube (14) is fixed an end of plunger outer tube framework (2), plunger outer tube (14) and bellows (16) with the outer protruding outer shroud of adapter sleeve A (18) pin along circumference;
Described anticorrosion overcoat (21) axial cross section is shaped as the grooved tubular structure to a side opening, the outer shroud of one ring set adapter sleeve A (1) and this plunger outer tube (14) outside this, reach the outer shroud that further extends to this outer adapter sleeve A (1) with this plunger outer tube (14) and form a hollow space, one is inserted filled insulation (22) in the described hollow space;
Described filled insulation (22) global shape is the ladder tubular with big osculum, and osculum end contact is encircled the bonding anticorrosion overcoat framework B (23) that is connected and fixed respectively with in outer adapter sleeve A (1) outer shroud and the anticorrosion overcoat (21); The big opening end contact is encircled the bonding anticorrosion overcoat framework A (20) that is connected and fixed respectively with in plunger outer tube (14) outer shroud and the anticorrosion overcoat (21);
The pipeline of connection is installed in the extension of described outer adapter sleeve A (1) and the anticorrosion thermal insulating warm-keeping layer filled insulation (22) of plunger outer tube (14) outer shroud finally is structure as a whole; The outer shroud of the pipeline that described outer adapter sleeve B (10) and extension installation connect is provided with the anticorrosion thermal insulating warm-keeping layer of integrative-structure.
2. plastic pipe expansion bend according to claim 1, the two ends that it is characterized in that this bellows (16) meet at right angles respectively that button is overlapped on the corresponding inner outer shroud of this protruding outer shroud of outer adapter sleeve A (18) and this protruding outer shroud of outer adapter sleeve B (11), and are connected and fixed with corresponding anchor ring is bonding respectively.
3. plastic pipe expansion bend according to claim 1 and 2 is characterized in that this bonding employing the bonding of chemical agent that be connected and fixed is connected and fixed.
4. plastic pipe expansion bend according to claim 1, the sectional shape that it is characterized in that this protruding outer shroud of outer adapter sleeve A (18) is a rectangle; The sectional shape that is somebody's turn to do the protruding outer shroud of outer adapter sleeve B (11) is a rectangle.
5. plastic pipe expansion bend according to claim 1, the sectional shape that it is characterized in that this plunger outer tube framework (2) is a rectangle; The sectional shape of pipe support structure (12) is a rectangle in this plunger.
6. plastic pipe expansion bend according to claim 1, the end insertion that it is characterized in that this bellows (16) is fixed between interior pipe support structure (12) of this plunger and the protruding outer shroud of outer adapter sleeve B (11) surface of contact, and the other end of this bellows (16) inserts and is fixed between this plunger outer tube framework (2) and the protruding outer shroud of outer adapter sleeve A (18) surface of contact.
7. plastic pipe expansion bend according to claim 1 is characterized in that the sectional shape of the protruding outer shroud of pipe (4) in this plunger is a rectangle; The sectional shape of this anti-slip limited ring (5) is a rectangle.
8. plastic pipe expansion bend according to claim 1 is characterized in that this bellows (16) is arranged in the annular space that a end that described core pipe (9) and this plunger pipe (15) become to lean out shape surrounds.
9. plastic pipe expansion bend according to claim 1 is characterized in that pipe support structure (12) in this core pipe (9), outer adapter sleeve B (10), the protruding outer shroud of outer adapter sleeve B (11), the plunger, has the interior pipe of plunger (15) of the protruding outer shroud of pipe (4) in the plunger and has O RunddichtringO A (8) and the ring packing framework (13) of O RunddichtringO B (7) connects as one structure; Form when core pipe (9) one ends are subjected to axial thermal expansion power and squeeze when pushing away, described outer adapter sleeve B (10), core pipe (9), have in the plunger pipe protruding outer shroud (4) and be connected in the plunger plunger on the pipe support structure (12) interior manage (15) and have O RunddichtringO A (8) and the ring packing framework (13) of O RunddichtringO B (7) by the protruding outer shroud of outer adapter sleeve B (11) but the structure that the coaxial vertically synchronous integral body of this bellows (16) of contact self plastic deformation moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200911942U CN201954176U (en) | 2011-03-31 | 2011-03-31 | Expansion device for plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200911942U CN201954176U (en) | 2011-03-31 | 2011-03-31 | Expansion device for plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201954176U true CN201954176U (en) | 2011-08-31 |
Family
ID=44498286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200911942U Expired - Lifetime CN201954176U (en) | 2011-03-31 | 2011-03-31 | Expansion device for plastic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201954176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720912A (en) * | 2011-03-31 | 2012-10-10 | 陈墅庚 | Plastic pipeline expansion piece |
| RU208764U1 (en) * | 2020-05-25 | 2022-01-12 | Айрат Магсумзянович Харисов | Bellows expansion joint for heating and water supply systems |
-
2011
- 2011-03-31 CN CN2011200911942U patent/CN201954176U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720912A (en) * | 2011-03-31 | 2012-10-10 | 陈墅庚 | Plastic pipeline expansion piece |
| CN102720912B (en) * | 2011-03-31 | 2014-02-12 | 陈墅庚 | Plastic pipeline expansion piece |
| RU208764U1 (en) * | 2020-05-25 | 2022-01-12 | Айрат Магсумзянович Харисов | Bellows expansion joint for heating and water supply systems |
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Granted publication date: 20110831 Effective date of abandoning: 20140212 |
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