CN109812629B - Improved device for high-density polyethylene double-wall corrugated pipe - Google Patents
Improved device for high-density polyethylene double-wall corrugated pipe Download PDFInfo
- Publication number
- CN109812629B CN109812629B CN201910223687.8A CN201910223687A CN109812629B CN 109812629 B CN109812629 B CN 109812629B CN 201910223687 A CN201910223687 A CN 201910223687A CN 109812629 B CN109812629 B CN 109812629B
- Authority
- CN
- China
- Prior art keywords
- connecting disc
- pipe
- wall
- density polyethylene
- wall surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 13
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The invention relates to the field of corrugated pipes, in particular to an improved device of a high-density polyethylene double-wall corrugated pipe, which comprises an outer pipe, wherein a plurality of groups of expansion joints are uniformly arranged on the outer pipe at equal intervals, two groups of sliding blocks are symmetrically arranged on the expansion joints up and down, clamping blocks are welded on the sliding blocks and are arranged in the expansion joints in an inserting mode, a sliding sleeve is arranged in the sliding blocks in an inserting mode, a shaping rod is arranged in the sliding sleeve in an inserting mode, two ends of the shaping rod are sleeved with movable sleeves, extension springs are welded between the inner walls of the movable sleeves and the tail ends of the shaping rod, the movable sleeves are arranged on a connecting disc in an inserting mode, the connecting disc is symmetrically provided with two groups in a left-right mode, and sealing rings are arranged on the connecting disc through gluing. The device is connected with the sliding block through the telescopic joint through the clamping block, and the sliding block is limited in the axial direction through the shaping rod, so that the axial torsion of the telescopic joint is avoided.
Description
Technical Field
The invention relates to the technical field of corrugated pipes, in particular to an improved device of a high-density polyethylene double-wall corrugated pipe.
Background
The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the functions of compensating thermal deformation, shock absorption, pipeline settlement deformation and the like of pipelines, and is widely applied to industries of petrochemical industry, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like.
Most of the existing corrugated pipes are single-wall corrugated pipes, the structural strength is low, the existing corrugated pipes only have bending torsion buffer effect, the axial rotation stress effect is poor, the corrugated pipe is easy to break when the axial direction of the corrugated pipe is stressed, and the corrugated pipe is likely to be affected by the axial force due to errors in installation and positioning in the actual installation process.
This problem can be solved if a bellows that avoids twisting and still has a telescoping function can be invented, for which purpose we provide an improved device for a high density polyethylene double wall bellows.
Disclosure of Invention
The present invention aims to provide an improved device for a high-density polyethylene double-wall corrugated pipe, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an improvement device of high density polyethylene double-walled bellows, includes the outer tube, the equidistance evenly is provided with a plurality of groups telescopic joint on the outer tube, and the telescopic joint symmetry is provided with two sets of sliding blocks from top to bottom, the welding is provided with the block on the sliding block, and the block inserts the setting in the telescopic joint, it is provided with the sliding sleeve to insert in the sliding block, and inserts in the sliding sleeve and be provided with the shaping pole, shaping pole both ends overlap and be provided with the movable sleeve, and all welds between movable sleeve inner wall and the shaping pole end and be provided with extension spring, the movable sleeve is all inserted and is set up on the connection pad, and the connection pad bilateral symmetry is provided with two sets of, install the sealing washer through the veneer on the connection pad, and equidistant evenly encircle on the connection pad wall outside has been offered a plurality of groups bolt hole, central authorities insert and are provided with the collar, and the equidistant evenly encircle the welding is provided with four sets of locating rib in the collar, the inner tube is installed to the inner tube inner wall, and the inner tube inner wall face is provided with the inner bracing ring, be provided with the cushion between inner tube and the outer tube, and cushion pipe evenly encircles evenly and evenly to be provided with the recess all through the nested in the installation ring all setting up the side wall.
Preferably, the clamping block is a T-shaped tenon welded on the sliding block, and the clamping block is attached to the inner wall surface of the expansion joint in a bending way.
Preferably, the air equalizing ring is an annular groove with an opening towards the inner side, the one-way air valve penetrates through the air equalizing ring and the mounting ring to be mounted, and a groove matched with the one-way air valve is formed in the outer side wall surface of the mounting ring.
Preferably, the elastic air bag is an annular rubber air bag which is arranged in the expansion joint, the inner wall surface of the elastic air bag is attached to the outer wall surface of the cushion pipe, and the outer wall surface of the cushion pipe is provided with a through hole which is connected to the vent pipe in a surrounding mode.
Preferably, a through hole matched with the mounting ring is formed in the center of the connecting disc, and four groups of positioning grooves matched with the positioning edges are formed in the outer ring of the through hole in a bypassing mode.
Preferably, the two ends of the shaping rod are welded with sliding plates with the radius larger than that of the shaping rod, and the inner diameter of the extension spring is the same as that of the sliding plates.
Preferably, the inner diameter of the sealing ring is the same as the interval between the upper group and the lower group of the positioning edges, and the connecting disc is provided with a groove matched with the thickness of the sealing ring.
Compared with the prior art, the invention has the beneficial effects that:
1. The device is connected with the sliding block through the telescopic joint through the clamping block, and the sliding block is limited in the axial direction through the shaping rod, so that the axial torsion of the telescopic joint is avoided.
2. The device drives the expansion joint to expand synchronously through the elastic air bag, and the sliding block can uniformly slide on the shaping rod at the moment so as to realize the short-distance telescopic convenient corrugated pipe of the outer pipe to install.
3. When the device discharges air through the elastic air bag, the stretching spring arranged in the movable sleeve can stretch the shaping rod, and the device can be quickly reset under the elasticity of the stretching spring and the elasticity of the telescopic joint.
Drawings
FIG. 1 is a schematic view in semi-section of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention.
In the figure: the device comprises an outer tube 1, a clamping block 2, a sliding block 3, a shaping rod 4, a movable sleeve 5, a tension spring 6, a connecting disc 7, a sealing ring 8, a mounting ring 9, a one-way air valve 10, an inner tube 11, an inner supporting ring 12, a cushion tube 13, a vent tube 14, an elastic air bag 15, a bolt hole 16, a sliding sleeve 17, a positioning edge 18, an air equalizing ring 19 and an expansion joint 20.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides an improvement device of high density polyethylene double-walled bellows, including outer tube 1, the equidistance evenly is provided with a plurality of groups telescopic joint 20 on the outer tube 1, and the telescopic joint 20 bilateral symmetry is provided with two sets of sliding blocks 3, the welding is provided with block 2 on the sliding block 3, and block 2 inserts and set up in telescopic joint 20, it is provided with sliding sleeve 17 to insert in the sliding block 3, and it is provided with forming rod 4 to insert in the sliding sleeve 17, forming rod 4 both ends overlap and be provided with movable sleeve 5, and all weld and be provided with extension spring 6 between movable sleeve 5 inner wall and the forming rod 4 end, the equal arrangement of movable sleeve 5 is on connection pad 7, and the connection pad 7 bilateral symmetry is provided with two sets of, install sealing washer 8 through the veneer on connection pad 7, and equidistant evenly encircle on the connection pad 7 wall outside the sealing washer 8 and have seted up a plurality of bolt holes 16, connection pad 7 central authorities insert and are provided with collar 9, and evenly encircle the welding is provided with four sets of locating ribs 18 in the installation collar 9, and the inner tube 11 is installed to the inner ring, and inner tube 11 inner wall face is provided with inner support ring 12, all install the inner tube 11 and evenly set up between inner tube 1 and the inner tube 13 evenly have the same set of vent pipe through the equal spacing between the inner tube 13, the inner tube is evenly set up 13, the inner tube is evenly has the inner tube 13 through the setting up through the nested ring 13.
As shown in fig. 2, the engaging block 2 is a T-shaped tenon welded to the sliding block 3, and the engaging block 2 is curved to fit the inner wall surface of the expansion joint 20. As shown in fig. 1 and 2, the air equalizing ring 19 is an annular groove opened inwards, the unidirectional air valve 10 penetrates through the air equalizing ring 19 and the mounting ring 9 to be mounted, and a groove matched with the unidirectional air valve 10 is formed in the outer side wall surface of the mounting ring 9. As shown in fig. 1 and 2, the elastic air bag 15 is an annular rubber air bag which is arranged in the expansion joint 20 and the inner wall surface is attached to the outer wall surface of the cushion pipe 13, and the outer wall surface of the cushion pipe 13 is provided with a through hole connected to the ventilation pipe 14 in a surrounding manner. As shown in fig. 1, a through hole matched with the mounting ring 9 is formed in the center of the connecting disc 7, and four groups of positioning grooves matched with the positioning ribs 18 are formed in the outer ring of the through hole. As shown in fig. 1 and 2, the two ends of the shaping rod 4 are welded with sliding plates with the radius larger than that of the shaping rod 4, and the inner diameter of the extension spring 6 is the same as that of the sliding plates. As shown in fig. 1, the inner diameter of the sealing ring 8 is the same as the interval between the upper group and the lower group of the positioning ribs 18, and the connecting disc 7 is provided with a groove matched with the thickness of the sealing ring 8.
Working principle: the telescopic joint 20 is connected with the sliding block 3 through the clamping block 2, the sliding block 3 is limited axially through the shaping rod 4, the telescopic joint 20 is prevented from twisting axially, the one-way air valve 10 is connected to the air pump through the hose, then the air homogenizing ring 19 and the air pipe 14 can be used for inflating the elastic air bag 15, the elastic air bag 15 drives the telescopic joint 20 to expand synchronously, the sliding block 3 can slide on the shaping rod 4 uniformly at the moment, the short-distance telescopic convenient corrugated pipe of the outer pipe 1 is installed, meanwhile, the elastic air bag 15 and the cushion pipe 13 can buffer and support the inner pipe 11 and the outer pipe 1, the interference to the inner pipe 11 when the outer pipe 1 is damaged by collision is reduced, the working stability of the corrugated pipe and the safety of the inner pipe 11 are improved, when the elastic air bag 15 discharges air, the stretching spring 6 installed in the movable sleeve 5 can stretch the shaping rod 4, and can reset rapidly under the elasticity of the stretching spring 6 and the elastic action of the telescopic joint 20.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Improved device of high density polyethylene double-wall bellows, including outer tube (1), its characterized in that: the utility model discloses a telescopic joint structure, including outer tube (1), telescopic joint (20), connecting disc (7), sealing washer (8) outside connecting disc (7) wall surface is evenly encircled and is offered a plurality of groups bolt hole (16) that link up, sealing washer (7) center is installed and is provided with forming rod (4), forming rod (4) both ends fit and is provided with movable sleeve (5), and all welds between movable sleeve (5) inner wall and forming rod (4) end and be provided with extension spring (6), movable sleeve (5) all install and set up on connecting disc (7), and connecting disc (7) bilateral symmetry is provided with two sets, install sealing washer (8) through the veneer on connecting disc (7) outside connecting disc (7), and evenly encircle and have seted up a plurality of groups bolt hole (16) in sliding sleeve (17), install collar (9) in the center, and evenly encircle inner tube (11) and install inner wall (11) and evenly between the end, inner wall (11), a cushion pipe (13) is arranged between the inner pipe (11) and the outer pipe (1), a plurality of groups of vent pipes (14) are evenly arranged in the cushion pipe (13) in an equidistant and encircling manner, gas equalizing rings (19) are arranged on the inner side wall surface of the mounting ring (9) through grooves, and elastic air bags (15) are nested in the expansion joints (20);
the clamping block (2) is a T-shaped tenon welded on the sliding block (3), and the clamping block (2) is adhered to the inner wall surface of the expansion joint (20) in a bending way;
the air equalizing ring (19) is an annular groove which is opened inwards, the one-way air valve (10) penetrates through the air equalizing ring (19) and the mounting ring (9), and a groove matched with the one-way air valve (10) is formed in the outer side wall surface of the mounting ring (9).
2. The improved apparatus for producing high-density polyethylene double-wall corrugated pipe according to claim 1, wherein: the elastic air bag (15) is an annular rubber air bag which is arranged in the expansion joint (20) and the inner wall surface of which is attached to the outer wall surface of the cushion pipe (13), and the outer wall surface of the cushion pipe (13) is provided with a through hole which is connected to the vent pipe (14) in a surrounding mode.
3. The improved apparatus for producing high-density polyethylene double-wall corrugated pipe according to claim 1, wherein: the center of the connecting disc (7) is provided with a through hole matched with the mounting ring (9), and the outer ring of the through hole is provided with four groups of positioning grooves matched with the positioning ribs (18).
4. The improved apparatus for producing high-density polyethylene double-wall corrugated pipe according to claim 1, wherein: the two ends of the shaping rod (4) are welded with sliding plates with the radius larger than that of the shaping rod (4), and the inner diameter of the extension spring (6) is the same as that of the sliding plates.
5. The improved apparatus for producing high-density polyethylene double-wall corrugated pipe according to claim 1, wherein: the inner diameter of the sealing ring (8) is the same as the interval between the upper group and the lower group of the positioning ribs (18), and the connecting disc (7) is provided with a groove matched with the thickness of the sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223687.8A CN109812629B (en) | 2019-03-22 | 2019-03-22 | Improved device for high-density polyethylene double-wall corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223687.8A CN109812629B (en) | 2019-03-22 | 2019-03-22 | Improved device for high-density polyethylene double-wall corrugated pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109812629A CN109812629A (en) | 2019-05-28 |
| CN109812629B true CN109812629B (en) | 2024-06-04 |
Family
ID=66610015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910223687.8A Active CN109812629B (en) | 2019-03-22 | 2019-03-22 | Improved device for high-density polyethylene double-wall corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109812629B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552983A (en) * | 2019-07-31 | 2019-12-10 | 江苏沛源泵业制造有限公司 | Annular compensator of shock attenuation relief spring subassembly of water pump |
| CN111509635B (en) * | 2020-04-14 | 2021-05-28 | 杭州冠通新型材料有限公司 | Corrugated pipe connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976414A (en) * | 1974-03-22 | 1976-08-24 | Wilhelm Hegler | Apparatus for the production of double-walled synthetic plastic tubes having a transversely corrugated outer wall and a smooth inner wall |
| DE102008027102A1 (en) * | 2008-06-06 | 2009-12-17 | Unicor Gmbh | Double wall corrugated pipe has corrugated outer pipe with two wave troughs, which are connected with corrugated inner pipe along peripheral of double wall corrugated pipe |
| CN205640013U (en) * | 2016-04-21 | 2016-10-12 | 中国水利水电建设工程咨询中南有限公司 | Detachable pressure steel pipe telescopic joint of flanged union |
| CN207777842U (en) * | 2017-12-28 | 2018-08-28 | 沃尔芙阀门制造有限公司 | A kind of expansion corrugated pipe |
| CN108679327A (en) * | 2018-06-04 | 2018-10-19 | 苏州赛易特环保科技有限公司 | A kind of environment-friendly type water processing equipment water pipe |
| CN209671787U (en) * | 2019-03-22 | 2019-11-22 | 贵州枫叶管业有限公司 | The improved device of double wall corrugated high-density polyethylene pipes |
-
2019
- 2019-03-22 CN CN201910223687.8A patent/CN109812629B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976414A (en) * | 1974-03-22 | 1976-08-24 | Wilhelm Hegler | Apparatus for the production of double-walled synthetic plastic tubes having a transversely corrugated outer wall and a smooth inner wall |
| DE102008027102A1 (en) * | 2008-06-06 | 2009-12-17 | Unicor Gmbh | Double wall corrugated pipe has corrugated outer pipe with two wave troughs, which are connected with corrugated inner pipe along peripheral of double wall corrugated pipe |
| CN205640013U (en) * | 2016-04-21 | 2016-10-12 | 中国水利水电建设工程咨询中南有限公司 | Detachable pressure steel pipe telescopic joint of flanged union |
| CN207777842U (en) * | 2017-12-28 | 2018-08-28 | 沃尔芙阀门制造有限公司 | A kind of expansion corrugated pipe |
| CN108679327A (en) * | 2018-06-04 | 2018-10-19 | 苏州赛易特环保科技有限公司 | A kind of environment-friendly type water processing equipment water pipe |
| CN209671787U (en) * | 2019-03-22 | 2019-11-22 | 贵州枫叶管业有限公司 | The improved device of double wall corrugated high-density polyethylene pipes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109812629A (en) | 2019-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109812629B (en) | Improved device for high-density polyethylene double-wall corrugated pipe | |
| CN206723693U (en) | A kind of vacuum heat-insulated pipe | |
| CN209671787U (en) | The improved device of double wall corrugated high-density polyethylene pipes | |
| CN220153357U (en) | Flexible joint for inner and outer tubes of double-pipe heat exchanger | |
| CN201521732U (en) | Pipe joint with buffering function | |
| CN102454847A (en) | Pipe fitting for absorbing expansion and earthquake-proof | |
| CN105179814B (en) | High-temperature high-pressure large-diameter pipeline fixed support and fixing method thereof | |
| CN209511354U (en) | A kind of novel building heating and ventilating pipeline attachment device | |
| CN204785259U (en) | Sliding sleeve formula pipeline compensates subassembly and has its pipeline | |
| CN218208306U (en) | Flexible connecting device for metal pipeline | |
| CN203286174U (en) | Universal telescopic pipeline connecting device | |
| CN109812634B (en) | Pipeline butt joint shaping device of double-wall corrugated pipe | |
| CN205896533U (en) | Take beaded finish corrugated expansion joint | |
| CN210344675U (en) | Unrestrained bending-resistant metal corrugated expansion joint | |
| CN202381911U (en) | High-temperature resistant turbulent medium nonmetal expansion joint | |
| CN204629552U (en) | Tubular air preheater end connecting | |
| CN205991277U (en) | A kind of straight pipe pressure-balancing type expansion joint based on inside and outside force combination operating mode | |
| CN117146089B (en) | Bellows expansion joint and bellows thereof | |
| CN216768605U (en) | Multilayer welding air pipe | |
| CN205640016U (en) | Universal pressure balance type metal expansion joint | |
| CN205781650U (en) | A kind of thermal expansion of pipeline compensation device | |
| CN206268653U (en) | A kind of bellows | |
| CN105889685B (en) | A kind of connection method of PP R pipe fitting linear expansion collocation structures and PP R pipe fittings | |
| CN211118223U (en) | Anti-leakage corrugated pipe compensator | |
| CN208205901U (en) | A kind of water surface floating titanium tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |