CN209671820U - A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation - Google Patents

A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation Download PDF

Info

Publication number
CN209671820U
CN209671820U CN201920373219.4U CN201920373219U CN209671820U CN 209671820 U CN209671820 U CN 209671820U CN 201920373219 U CN201920373219 U CN 201920373219U CN 209671820 U CN209671820 U CN 209671820U
Authority
CN
China
Prior art keywords
screw thread
wall
connected unit
clip
ring
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
Application number
CN201920373219.4U
Other languages
Chinese (zh)
Inventor
王新路
廖群
吴松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUIZHOU FENGYE PIPE Co Ltd
Original Assignee
GUIZHOU FENGYE PIPE Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GUIZHOU FENGYE PIPE Co Ltd filed Critical GUIZHOU FENGYE PIPE Co Ltd
Priority to CN201920373219.4U priority Critical patent/CN209671820U/en
Application granted granted Critical
Publication of CN209671820U publication Critical patent/CN209671820U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Supports For Pipes And Cables (AREA)

Abstract

The utility model relates to double-wall corrugated pipe technical fields, specially a kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation, including bellows main body, the left end of bellows main body connects left connecting tube, the right end of bellows main body connects right connecting tube, the interlude inner cavity of bellows main body is provided with one layer of tube body inner ring, have the beneficial effect that the utility model by the way that spin is arranged inside ring pipe, simultaneously in the inside of spin through three steel wires of setting, to realize the intensity and anti-pressure ability that improve filling spin, improve the toughness of tube wall, keep its not easy to break, under external force, it is not susceptible to deform;Left and right ends in double-wall corrugated pipe are provided with connected unit, using the cooperation of connected unit, flanged plate and clip, realizes the sealed connection to pipeline, prevents link position stress from excessively concentrating.

Description

A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation
Technical field
It is specially a kind of with the compression-resistant type double-walled wave for installing spacious amount the utility model relates to double-wall corrugated pipe technical field Line pipe coupling component.
Background technique
Double-wall corrugated pipe is a kind of novel tube with cyclic structure outer wall and smooth internal walls, mainly uses high density The advantages of polyethylene material is made, double-wall corrugated pipe is that outer wall wave structure in a ring, the ring for greatly strengthening tubing are rigid Degree, to enhance pipeline to the resistance of soil load, in this aspect of performance, HDPE double-wall corrugated pipe and other tubing phases Compare with apparent advantage.
And in real use process, since the filler quality inside the ring pipe of double-wall corrugated pipe is softer, it is easy to make At the destruction of inside stuffing, and then lead to the fracture of double-wall corrugated pipe outer wall, reduces critical external compressive resistance ability;A left side for double-wall corrugated pipe When right connection, since link position stress is larger, installation site is excessively compact, is easy to cause tube wall stress deformation or destruction, from And it causes to reveal.
A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation is provided thus, to solve with double-walled wave The resistance to compression of line pipe and connectivity problem.
Utility model content
The purpose of this utility model is to provide a kind of with the double-wall corrugated pipe coupling component of compression-resistant type for installing spacious amount, with Solve the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation, including bellows main body, the bellows The left end of main body connects left connecting tube, and the right end of bellows main body connects right connecting tube, and the interlude inner cavity of bellows main body is set It is equipped with one layer of tube body inner ring, the interlude outer wall of bellows main body is provided with several ring pipes of linear distribution, bellows main body The equal fixing seal in left and right ends end face be welded with connected unit, the flanged plate of the connected unit and left connecting tube, right connection end surfaces It is fixedly connected;
The outer wall of the connected unit is provided with protrusion, and the centre of the protrusion offers the first annular groove being recessed inwardly, should The left and right inner wall of first annular groove offers perforative through-hole, and the inner face of connected unit is fixedly welded on the end face of tube body inner ring, And the front end face of connected unit is equipped with external screw thread ring, the rear end face of the external screw thread ring is fixedly welded on connected unit and tube body inner ring Junction, there are jack, the end faces of the left connecting tube, right connecting tube between the upper end of external screw thread ring and the lower end surface of connected unit Be provided with flanged plate, the outer wall upper end of the flanged plate be provided with the neat high boss of connected unit, the upper end of the boss offers With the symmetrical annular groove in connected unit upper end, and the front inner wall of flanged plate is provided with internal screw thread ring, the internal screw thread ring and inserts The position in hole is corresponding, and internal screw thread ring screw thread is plugged on the inside of jack, the right side of flanged plate and the left side of connected unit It is bonded to each other, and the outer wall of flanged plate and the link position of connected unit is socketed with clip;
The centre of the clip is provided with the second annular groove, and the left side plate of clip is fixedly plugged in the first annular groove Portion, and connected between clip and flanged plate, connected unit by guide blot, the inner wall of second annular groove is provided with left and right pair A pair of of washer of title, the washer are separately mounted to the second annular groove and flanged plate, connected unit link position.
Preferably, the ring pipe is set as the arc-shaped of outwardly convex, and the inner cavity of ring pipe is provided with cavity, the sky The left and right ends of chamber are fixedly welded with fixed block, and the gap between ring outer wall in tube body of ring pipe is internally provided with linear point The spin of cloth, the corresponding lower end for being mounted on ring pipe arc convex of the spin, the left and right end face of spin opens up right linear distribution Three through-holes, through steel wire is equipped with inside the through-hole, the both ends of the steel wire are fixedly mounted on fixed block outer end face.
Preferably, the clip is made of upper half clip and lower half clip, and the upper half clip and lower half clip are Semicircle clip, and the front end face of upper half clip and lower half clip topmost offer pilot hole, the position of the pilot hole with The lead to the hole site of first annular groove inner wall coincides, and the front and back end outer wall of upper half clip and lower half clip is vertically welded with connection Plate, and upper half clip is fixedly connected by connecting plate with the cooperation of fixing bolt with lower half clip.
Preferably, the guide blot sequentially passes through flanged plate, the pilot hole of clip end face, connected unit and the first annulus The rear end of slot, guide blot is provided with nut, is provided with spring between the nut and connected unit end face.
Preferably, the upper end outer wall front end of the internal screw thread ring is provided with one section of internal screw thread, outside the externally threaded upper end Wall is disposed with the first external screw thread, sealing ring, the second external screw thread and empty slot from left to right, and internal screw thread and the first external screw thread, Second external screw thread matches, and the length of the empty slot is greater than the length of internal screw thread.
Preferably, the spring is socketed in the outer wall of guide blot, and one end of spring is against the end face of connected unit, spring The other end be against the left side of nut.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model runs through three steel of setting by the way that spin is arranged inside ring pipe, while in the inside of spin Silk improves the toughness of tube wall, keeps its not easy to break, in external force to realize the intensity and anti-pressure ability for improving filling spin Under effect, it is not susceptible to deform;
2. the utility model is provided with connected unit by the left and right ends in double-wall corrugated pipe, connected unit, flanged plate are utilized With the cooperation of clip, realizes the sealed connection to pipeline, prevent link position stress from excessively concentrating;
3. the utility model is provided with external screw thread ring and internal screw thread ring by the end face in double-wall corrugated pipe, internal screw thread is utilized With externally threaded cooperation, the connection of pipeline is realized, realize the sealing to pipeline link position using the sealing ring on external screw thread ring, Using the cooperation of empty slot and internal screw thread, realize that installation site there are spacious amount is installed, avoids stress rupture while being easily installed.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of the utility model;
Fig. 2 is the connection structure explosive view of the utility model;
Fig. 3 is enlarged drawing at the A of the utility model;
Fig. 4 is the connected unit and flanged plate mounting structure schematic diagram of the utility model;
Fig. 5 is enlarged drawing at the B of the utility model;
Fig. 6 is the clip schematic perspective view of the utility model.
In figure: 1 bellows main body, 2 left connecting tubes, 3 right connecting tubes, 4 connected units, 5 ring pipes, 6 clips, 7 external screw thread rings, 8 flanged plates, 9 jacks, 10 first annular grooves, 11 spin, 12 tube body inner rings, 13 internal screw thread rings, 14 steel wires, 15 fixed blocks, 16 are led To on bolt, 17 springs, 18 first external screw threads, 19 sealing rings, 20 second external screw threads, 21 empty slots, 22 internal screw threads, 23 washers, 24 Half clip, 25 lower half clips, 26 pilot holes, 27 connecting plates, 28 fixing bolts, 29 second annular grooves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 6 is please referred to, the utility model provides a kind of technical solution:
A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation, including bellows main body 1, as shown in Figure 2: The left end of bellows main body 1 connects left connecting tube 2, and the right end of bellows main body 1 connects right connecting tube 3, in bellows main body 1 Between section inner cavity be provided with one layer of tube body inner ring 12, the interlude outer wall of bellows main body 1 is provided with several annulars of linear distribution The equal fixing seal in left and right ends end face of pipe 5, bellows main body 1 is welded with connected unit 4, the connected unit 4 and left connecting tube 2, the right side The flanged plate 8 of 3 end face of connecting tube is fixedly connected.
As shown in Figure 3 and Figure 4: the outer wall of connected unit 4 is provided with protrusion, and the centre of the protrusion offers to be recessed inwardly One annular groove 10, the left and right inner wall of first annular groove 10 offer perforative through-hole, and the inner face of connected unit 4 is fixedly welded on The end face of tube body inner ring 12, and the front end face of connected unit 4 is equipped with external screw thread ring 7, the rear end face of the external screw thread ring 7 is fixedly welded In the junction of connected unit 4 and tube body inner ring 12, there are jack 9 between the upper end of external screw thread ring 7 and the lower end surface of connected unit 4, Left connecting tube 2, right connecting tube 3 end face be provided with flanged plate 8, the outer wall upper end of the flanged plate 8 is provided with neat with connected unit 4 High boss, the upper end of the boss offer and the symmetrical annular groove in 4 upper end of connected unit, and the front inner wall of flanged plate 8 It is provided with internal screw thread ring 13, the internal screw thread ring 13 is corresponding with the position of jack 9, and 13 screw thread of internal screw thread ring is plugged on jack 9 Inside, the right side of flanged plate 8 and the left side of connected unit 4 are bonded to each other, and the link position of flanged plate 8 and connected unit 4 Outer wall be socketed with clip 6, the upper end outer wall front end of internal screw thread ring 13 is provided with one section of internal screw thread 22, outside the upper end of external screw thread 7 Wall is disposed with the first external screw thread 18, sealing ring 19, the second external screw thread 20 and empty slot 21, and internal screw thread 22 and from left to right One external screw thread 18, the second external screw thread 20 match, and the length of empty slot 21 is greater than the length of internal screw thread 22.
As shown in Figure 6: clip 6 is made of upper half clip 24 and lower half clip 25, upper half clip 24 and lower half clip 25 It is semicircle clip, and the front end face of upper half clip 24 and lower half clip 25 topmost offers pilot hole 26, the guiding The position in hole 26 and the lead to the hole site of 10 inner wall of the first annular groove coincide, outside the front and back end of upper half clip 24 and lower half clip 25 Wall is vertically welded with connecting plate 27, and upper half clip 24 and lower half clip 25 pass through the cooperation of connecting plate 27 and fixing bolt 28 It is fixedly connected, the centre of clip 6 is provided with the second annular groove 29, and the left side plate of clip 6 is fixedly plugged in the first annular groove 10 Inside, and connected between clip 6 and flanged plate 8, connected unit 4 by guide blot 16, the inner wall of the second annular groove 29 is provided with Symmetrical a pair of washer 23, the washer 23 are separately mounted to the second annular groove 29 and flanged plate 8,4 link position of connected unit, Guide blot 16 sequentially passes through flanged plate 8, the pilot hole 26 of 6 end face of clip, connected unit 4 and the first annular groove 10, guide blot 16 rear end is provided with nut, and the nut and connected unit are provided with spring 17 between 4 end face, and spring 17 is socketed in guide blot 16 Outer wall, and one end of spring 17 is against the end face of connected unit 4, and the other end of spring 17 is against the left side of nut.
As shown in Figure 5: ring pipe 5 is set as the arc-shaped of outwardly convex, and the inner cavity of ring pipe 5 is provided with cavity, should The left and right ends of cavity are fixedly welded with fixed block 15, setting inside the gap between 12 outer wall of tube body inner ring of ring pipe 5 The spin 11 of linear distribution, the corresponding lower end for being mounted on 5 arc convex of ring pipe of spin 11, the left and right end face of spin 11 opens up Three through-holes of right linear distribution, through steel wire 14 is equipped with, the both ends of the steel wire 14 are fixedly mounted on for through-hole inside 15 outer end face of block is determined, by the way that spin 11 is arranged inside ring pipe 5, while in the inside of spin 11 through three steel wires of setting 14, to realize the intensity and anti-pressure ability for improving filling spin 11, the toughness of tube wall is improved, keeps its not easy to break, outside Under power effect, it is not susceptible to deform
Working principle: it realizes first with the cooperation of internal screw thread ring 13 and external screw thread ring 7 by left connecting tube 2, right connecting tube 3 The left and right ends of bellows main body 1 are mounted on, wherein when internal screw thread ring 13 and external screw thread ring 7 are threadedly engaged, internal screw thread first The internal screw thread 22 of 13 front end of ring and the first external screw thread 18 of 7 front end of external screw thread ring cooperate, as left connecting tube 2 is moved to right-hand thread Dynamic, the right end of mobile first external screw thread 18 of internal screw thread 22, along sealing ring 19, parallel extrusion moves internal screw thread 22 to the right at this time, when interior When screw thread 22 reaches the second external screw thread 20, continue to rotate left connecting tube 2, realizes that the cooperation of internal screw thread 22 and the second external screw thread 20 connects It connects, with moving right for internal screw thread ring 13, internal screw thread 22 is detached from the second external screw thread 20 and reaches the upper end of empty slot 21, due to sky The length of slot 21 is greater than the length of internal screw thread 22, so that internal screw thread ring 13 and left connecting tube 2 can move left and right inside empty slot 21 With rotate upwardly and downwardly, internal screw thread ring 13 is plugged on inside jack 9 at this time, is realized and is installed to the first step of left connecting tube 2.
Then left connecting tube 2 is rotated, so that logical inside first annular groove 10 in 8 upper end through-hole of flanged plate and connected unit 4 Hole overlaps, then by upper half clip 24 with inside lower half clip 25 is connected to flanged plate 8 and connected unit 4 forms card slot, Then using the cooperation of upper half clip 24 and the connecting plate 27 and fixing bolt 28 of 25 end face of lower half clip, the group of clip 6 is realized Close installation, due to clip 6 inner hole be arranged the second annular groove 29 and flanged plate 8, connected unit 4 outer wall between gap connect, So that the realization of clip 6 is freely rotated inside the first annular groove 10, so that the upper end of pilot hole 26 and flanged plate 8, connected unit 4 is logical Hole coincides, and guide blot 16 and spring 17 are then installed inside pilot hole 26, realizes and rotates to left connecting tube 2 and clip 6 The restriction of position, while realizing the complete installation to left connecting tube 2.
Such mounting means, by the stress peptizaiton of link position in clip 6, external screw thread ring 7 and internal screw thread ring 13 On, the concentration of connection stress is avoided, while realizing moving left and right for left connecting tube 2 using empty slot 21, is pulled by left and right left Connecting tube 2, and then spring 17 is squeezed, it realizes limited activity of the internal screw thread 22 inside empty slot 21, avoids link position due to even Connect compact caused mutual extrusion deformation.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of with the double-wall corrugated pipe coupling component of compression-resistant type for installing spacious amount, including bellows main body (1), feature exists In: the left end of the bellows main body (1) connects left connecting tube (2), and the right end of bellows main body (1) connects right connecting tube (3), The interlude inner cavity of bellows main body (1) is provided with one layer of tube body inner ring (12), the interlude outer wall setting of bellows main body (1) The equal fixing seal in left and right ends end face of several ring pipes (5) of linear distribution, bellows main body (1) is welded with connected unit (4), which is fixedly connected with the flanged plate (8) of left connecting tube (2), right connecting tube (3) end face;
The outer wall of the connected unit (4) is provided with protrusion, and the centre of the protrusion offers the first annular groove (10) being recessed inwardly, The left and right inner wall of first annular groove (10) offers perforative through-hole, and the inner face of connected unit (4) is fixedly welded in tube body The end face of (12) is enclosed, and the front end face of connected unit (4) is equipped with external screw thread ring (7), the fixed weldering of the rear end face of the external screw thread ring (7) The junction in connected unit (4) and tube body inner ring (12) is connect, between the upper end of external screw thread ring (7) and the lower end surface of connected unit (4) There are jack (9), the left connecting tube (2), right connecting tube (3) end face be provided with flanged plate (8), the flanged plate (8) Outer wall upper end is provided with to be offered and connected unit (4) upper end bilateral symmetry with connected unit (4) neat high boss, the upper end of the boss Annular groove, and the front inner wall of flanged plate (8) is provided with internal screw thread ring (13), the position of the internal screw thread ring (13) and jack (9) Set corresponding, and internal screw thread ring (13) screw thread is plugged on the inside of jack (9), the right side of flanged plate (8) and connected unit (4) Left side is bonded to each other, and the outer wall of flanged plate (8) and the link position of connected unit (4) is socketed with clip (6);
The centre of the clip (6) is provided with the second annular groove (29), and the left side plate of clip (6) is fixedly plugged in the first annulus Slot (10) is internal, and is connect between clip (6) and flanged plate (8), connected unit (4) by guide blot (16), second circle The inner wall of annular groove (29) is provided with symmetrical a pair of of washer (23), which is separately mounted to the second annular groove (29) With flanged plate (8), connected unit (4) link position.
2. according to claim 1 a kind of with the double-wall corrugated pipe coupling component of compression-resistant type for installing spacious amount, feature exists In: the ring pipe (5) is set as the arc-shaped of outwardly convex, and the inner cavity of ring pipe (5) is provided with cavity, a left side for the cavity Right both ends are fixedly welded with fixed block (15), and the gap between tube body inner ring (12) outer wall of ring pipe (5) is internally provided with The spin (11) of linear distribution, the corresponding lower end for being mounted on ring pipe (5) arc convex of the spin (11), a left side for spin (11) Right side opens up three through-holes of right linear distribution, runs through inside the through-hole and is equipped with steel wire (14), the both ends of the steel wire (14) It is fixedly mounted on fixed block (15) outer end face.
3. according to claim 1 a kind of with the double-wall corrugated pipe coupling component of compression-resistant type for installing spacious amount, feature exists In: the clip (6) is made of upper half clip (24) and lower half clip (25), the upper half clip (24) and lower half clip It (25) is semicircle clip, and the front end face of upper half clip (24) and lower half clip (25) topmost offers pilot hole (26), the position of the pilot hole (26) and the lead to the hole site of the first annular groove (10) inner wall coincide, upper half clip (24) and under The front and back end outer wall of half clip (25) is vertically welded with connecting plate (27), and upper half clip (24) and lower half clip (25) pass through Connecting plate (27) is fixedly connected with the cooperation of fixing bolt (28).
4. according to claim 1 a kind of with the double-wall corrugated pipe coupling component of compression-resistant type for installing spacious amount, feature exists In: the guide blot (16) sequentially passes through flanged plate (8), the pilot hole (26) of clip (6) end face, connected unit (4) and first The rear end of annular groove (10), guide blot (16) is provided with nut, is provided with spring between the nut and connected unit (4) end face (17).
5. according to claim 1 a kind of with the double-wall corrugated pipe coupling component of compression-resistant type for installing spacious amount, feature exists : the upper end outer wall front end of the internal screw thread ring (13) is provided with one section of internal screw thread (22), outside the upper end of the external screw thread ring (7) Wall is disposed with the first external screw thread (18), sealing ring (19), the second external screw thread (20) and empty slot (21), and interior spiral shell from left to right Line (22) matches with the first external screw thread (18), the second external screw thread (20), and the length of the empty slot (21) is greater than internal screw thread (22) Length.
6. according to claim 4 a kind of with the double-wall corrugated pipe coupling component of compression-resistant type for installing spacious amount, feature exists In: the spring (17) is socketed in the outer wall of guide blot (16), and one end of spring (17) is against the end face of connected unit (4), The other end of spring (17) is against the left side of nut.
CN201920373219.4U 2019-03-22 2019-03-22 A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation Active CN209671820U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920373219.4U CN209671820U (en) 2019-03-22 2019-03-22 A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920373219.4U CN209671820U (en) 2019-03-22 2019-03-22 A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation

Publications (1)

Publication Number Publication Date
CN209671820U true CN209671820U (en) 2019-11-22

Family

ID=68572553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920373219.4U Active CN209671820U (en) 2019-03-22 2019-03-22 A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation

Country Status (1)

Country Link
CN (1) CN209671820U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109915674A (en) * 2019-03-22 2019-06-21 贵州枫叶管业有限公司 A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation
CN111637306A (en) * 2020-06-07 2020-09-08 贵州枫叶管业有限公司 A quick butt joint fixing device for PE feed pipe
WO2022007892A1 (en) * 2020-07-08 2022-01-13 平高集团有限公司 Corrugated pipe assembly, vacuum interrupter, and vacuum circuit breaker
CN114151621A (en) * 2021-11-16 2022-03-08 大连理工大学 Composite interlayer heat-insulating pipeline for ocean temperature difference energy conversion
CN109915674B (en) * 2019-03-22 2024-06-04 贵州枫叶管业有限公司 Compression-resistant double-wall corrugated pipe connecting assembly with installation amount

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109915674A (en) * 2019-03-22 2019-06-21 贵州枫叶管业有限公司 A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation
CN109915674B (en) * 2019-03-22 2024-06-04 贵州枫叶管业有限公司 Compression-resistant double-wall corrugated pipe connecting assembly with installation amount
CN111637306A (en) * 2020-06-07 2020-09-08 贵州枫叶管业有限公司 A quick butt joint fixing device for PE feed pipe
CN111637306B (en) * 2020-06-07 2024-04-26 贵州枫叶管业有限公司 Quick butt joint fixing device for PE water supply pipe
WO2022007892A1 (en) * 2020-07-08 2022-01-13 平高集团有限公司 Corrugated pipe assembly, vacuum interrupter, and vacuum circuit breaker
CN114151621A (en) * 2021-11-16 2022-03-08 大连理工大学 Composite interlayer heat-insulating pipeline for ocean temperature difference energy conversion

Similar Documents

Publication Publication Date Title
CN209671820U (en) A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation
CN206846132U (en) A kind of hydraulic engineering pipeline protection cover
CN202972264U (en) Combined type anti-loosing pipe joint sealing structure
CN109915674A (en) A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation
CN205835188U (en) A kind of laborsaving corrugated pipe connector
CN116658709B (en) Multi-rib reinforced winding corrugated pipe
CN208687157U (en) A kind of high tension thread connection quick coupling
CN207459619U (en) A kind of ripple multichannel bundle communication pipe
CN104505784A (en) Ultrahigh-voltage direct-current sleeve joint
CN206144892U (en) Expansion device of controllable swelling capacity of superhigh pressure
CN210622755U (en) SAGD oil well doublestage polished rod sealing device
CN205402017U (en) Vacuum pump station
CN208280936U (en) The flexible gas gasket of common screw thread oil pipe hermetic seal
CN206784548U (en) Sectionally assembled drainage pipeline
CN205277357U (en) Two -way polish rod sealing device of high temperature and high pressure
CN205956586U (en) Portable car pipe joints
CN219371703U (en) Ring main unit inlet wire sealing mechanism
CN203770349U (en) Dual-seal bolt
CN106122474B (en) A kind of leakage-resistant device for fuel charger confined space
CN212509910U (en) Petroleum pipeline coupling with sealing groove
CN212929106U (en) Brake hose for irrigation and water conservancy machinery
CN204230823U (en) A kind of extra-high voltage direct-current casing joint
CN209068015U (en) A kind of telescopic preventing water leakage PE pipe
CN206001180U (en) Electric smelting and cushion rubber double-joint type double-wall corrugated pipe
CN212338446U (en) High-toughness annular casing pipe

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant