CN115949808B - Improved device of high-density polyethylene double-wall corrugated pipe - Google Patents

Improved device of high-density polyethylene double-wall corrugated pipe Download PDF

Info

Publication number
CN115949808B
CN115949808B CN202211553588.4A CN202211553588A CN115949808B CN 115949808 B CN115949808 B CN 115949808B CN 202211553588 A CN202211553588 A CN 202211553588A CN 115949808 B CN115949808 B CN 115949808B
Authority
CN
China
Prior art keywords
wall
sleeve
corrugated
pipe
movably clamped
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
CN202211553588.4A
Other languages
Chinese (zh)
Other versions
CN115949808A (en
Inventor
李军
邱正
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.)
Anhui Haotong Pipe Industry Co ltd
Original Assignee
Anhui Haotong Pipe Industry 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 Anhui Haotong Pipe Industry Co ltd filed Critical Anhui Haotong Pipe Industry Co ltd
Priority to CN202211553588.4A priority Critical patent/CN115949808B/en
Publication of CN115949808A publication Critical patent/CN115949808A/en
Application granted granted Critical
Publication of CN115949808B publication Critical patent/CN115949808B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention discloses an improved device of a high-density polyethylene double-wall corrugated pipe, which relates to the technical field of double-wall corrugated pipes and comprises a pipe body, a left connecting mechanism and a right connecting mechanism, wherein one end of the pipe body is movably clamped with one side of the left connecting mechanism, one end of the pipe body is movably clamped with one side of the right connecting mechanism, and the pipe body comprises an inner corrugated pipe, a spring ring, an outer corrugated sleeve and an inner pipe. According to the invention, the outer corrugated sleeve, the inner corrugated pipe, the inner pipe and the spring ring are matched, the spring ring is movably clamped with the outer wall of the inner corrugated pipe, then the outer corrugated sleeve rotates along the threads arranged on the outer wall of the inner corrugated pipe, the inner wall of the outer corrugated sleeve is clamped with the outer wall of the inner threaded pipe, and the outer corrugated sleeve and the spring ring protect the inner corrugated pipe, so that the compression resistance of the device is improved, the buried use of the device by a user is facilitated, and the problem that soil layers are sunken due to gaps between the devices is avoided.

Description

Improved device of high-density polyethylene double-wall corrugated pipe
Technical Field
The invention relates to the technical field of double-wall corrugated pipes, in particular to an improved device of a high-density polyethylene double-wall corrugated pipe.
Background
The high-density polyethylene (HDPE) double-wall corrugated pipe is a novel pipe with an annular structure outer wall and a smooth inner wall, and has excellent chemical stability, ageing resistance and environmental stress cracking resistance, wherein the high-density polyethylene double-wall corrugated pipe is mostly buried underground when in use, and is laid after a groove is dug, and then buried.
For example, the Chinese patent publication No. CN209671787U discloses the following technical scheme: 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. (ESM) the same invention was created and the patent of the invention was filed on the same date.
The following problems exist in the prior art:
1. The existing improved device of the high-density polyethylene double-wall corrugated pipe increases the weight of the corrugated pipe per se due to the expansion joint and the sliding blocks which are arranged outside when the improved device is in actual use, and meanwhile, gaps are formed by arrangement among the sliding blocks, so that the operation difficulty of a user is increased when the corrugated pipe is buried, the problem of depression of the upper-layer land is easily caused, the installation and use difficulty of the user is increased, and the working efficiency of the user is reduced;
2. The improved device of the existing high-density polyethylene double-wall corrugated pipe is easy to erode by external environment, so that the device is easy to oxidize and corrode, the tightness of the device is affected, the compressive strength of the improved device of the existing high-density polyethylene double-wall corrugated pipe is reduced, and the safety of the existing device is lowered.
Disclosure of Invention
The present invention provides an improved device for a high-density polyethylene double-wall corrugated pipe, which solves the problems set forth in the background art.
In order to solve the technical problems, the invention adopts the following technical scheme:
An improved device of a high-density polyethylene double-wall corrugated pipe comprises a pipe body, a left connecting mechanism and a right connecting mechanism, wherein one end of the pipe body is movably clamped with one side of the left connecting mechanism, and one end of the pipe body is movably clamped with one side of the right connecting mechanism;
The pipe body comprises an inner corrugated pipe, a spring ring, an outer corrugated sleeve and an inner pipe, wherein the inner wall of the inner corrugated pipe is fixedly connected with the outer wall of the inner pipe, the inner wall of the outer corrugated sleeve is movably clamped with the outer wall of the inner corrugated pipe, and the spring ring is movably clamped with the inner wall of the outer corrugated sleeve;
The left connecting mechanism comprises a left flange, a sealing clamping ring, a sealing clamping sleeve and a positioning mechanism.
The technical scheme of the invention is further improved as follows: the utility model discloses a corrugated pipe, including outside bellows, fixed cutting ferrule, outer bellows, through-hole has been seted up to the one end of outside bellows, the through-hole is provided with two sets of, and the quantity of every group is four, the through-hole is about the both ends symmetric distribution of outside bellows, the one end fixedly connected with fixed cutting ferrule of inside bellows, fixed cutting ferrule is provided with two sets of, and the quantity of every group is four, fixed cutting ferrule is about the both ends symmetric distribution of inside bellows, but outside bellows passes through constitution deflection structure between inside bellows and the spring ring.
By adopting the technical scheme, the external corrugated sleeve is rotated along the threads arranged on the outer wall of the internal corrugated pipe, the inner wall of the external corrugated sleeve is in threaded connection with the outer wall of the internal threaded pipe, the relative positions of the external corrugated sleeve and the external corrugated sleeve are limited through the through holes and the fixed clamping sleeve, and the installation and the use of a user are facilitated.
The technical scheme of the invention is further improved as follows: the right side coupling mechanism is including connecting cutting ferrule and right side flange, one side and the one end activity joint of jar body of left side flange, one side and the sealed snap ring fixed connection of left side flange, one side and the one end activity joint of outside ripple cover of sealed snap ring, one side and one side fixed connection of sealed cutting ferrule of left side flange, the outer wall and the inner wall activity joint of inner tube of sealed cutting ferrule.
By adopting the technical scheme, the sealing clamping sleeve is clamped with the inner tube, and the sealing clamping ring is clamped with the external corrugated sleeve, so that the tightness of the device is improved.
The technical scheme of the invention is further improved as follows: the positioning mechanism comprises a threaded clamping sleeve and a threaded rod, wherein the inner wall of the threaded clamping sleeve is in threaded connection with one end of the threaded rod, one end of the threaded rod is in threaded connection with the inner wall of the fixed clamping sleeve, and one end of the threaded rod is movably clamped with the inner wall of the through hole.
By adopting the technical scheme, the relative positions of the external corrugated sleeve and the internal corrugated pipe are fixed by rotating the threaded rod in the scheme, so that the stability of the device is improved.
The technical scheme of the invention is further improved as follows: the inner wall of the spring ring is movably clamped with the outer wall of the inner corrugated pipe, and the outer wall of the spring ring is wrapped with a rubber and plastic protective sleeve.
By adopting the technical scheme, the compression resistance of the pipe body is further improved through the elasticity of the spring ring in the scheme, and the durability of the device is enhanced through the protection of the rubber-plastic protective sleeve to the spring ring.
The technical scheme of the invention is further improved as follows: the left flange is provided with a groove on one side, the right flange is fixedly connected with a connecting clamping sleeve, one side of the left flange is fixedly connected with one side of the right flange through a bolt, and the inner wall of the groove is movably clamped with one side of the connecting clamping sleeve.
By adopting the technical scheme, the convenient-to-use device is characterized in that a user can connect and fix the pipe through the left-side connecting mechanism and the right-side connecting mechanism, and the tightness of the device is further improved through the clamping connection of the connecting clamping sleeve and the groove.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. The invention provides an improved device of a high-density polyethylene double-wall corrugated pipe, which adopts the cooperation of an outer corrugated sleeve, an inner corrugated pipe, an inner pipe and a spring ring, wherein the spring ring is movably clamped with the outer wall of the inner corrugated pipe, then the outer corrugated sleeve rotates along threads arranged on the outer wall of the inner corrugated pipe, the inner wall of the outer corrugated sleeve is in threaded clamping connection with the outer wall of the inner threaded pipe, the outer corrugated sleeve and the spring ring protect the inner corrugated pipe, the compression resistance of the device is improved, the embedded use of the device by a user is facilitated, and the problem that soil layers are sunken due to gaps between the devices is avoided.
2. The invention provides an improved device of a high-density polyethylene double-wall corrugated pipe, which adopts the cooperation of a left connecting mechanism and a right connecting mechanism, rotates the relative positions of an outer corrugated sleeve and an inner corrugated pipe, enables a through hole and a fixed clamping sleeve to be in the relative positions, then rotates a threaded rod along the inner wall of the threaded clamping sleeve, enables one end of the threaded rod to be connected with the inner wall of the fixed clamping sleeve, fixes the outer corrugated sleeve and the inner corrugated pipe, simultaneously clamps a sealing clamping sleeve with the inner pipe, clamps a sealing clamping ring with the outer corrugated sleeve, improves the tightness of the device, and enhances the durability of the device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the internal bellows and spring coil connection structure of the present invention;
FIG. 3 is a schematic view of the external bellows structure of the present invention;
FIG. 4 is a front cross-sectional view of the present invention;
FIG. 5 is a schematic view of the left-side connection mechanism and the right-side connection mechanism of the present invention;
fig. 6 is an enlarged view of fig. 4 at a in accordance with the present invention.
In the figure: 1. a tube body; 2. a left side connecting mechanism; 3. a right-side connection mechanism; 4. an inner bellows; 5. a spring ring; 6. an outer corrugated sleeve; 7. an inner tube; 8. a left flange; 9. a sealing clasp; 10. sealing the cutting ferrule; 11. a thread cutting sleeve; 12. a threaded rod; 13. a right flange; 14. a connecting clamping sleeve; 15. a groove; 16. fixing the clamping sleeve; 17. and a through hole.
Detailed Description
The invention is further illustrated by the following examples:
example 1
As shown in fig. 1-6, the invention provides an improved device of a high-density polyethylene double-wall corrugated pipe, which comprises a pipe body 1, a left connecting mechanism 2 and a right connecting mechanism 3, wherein one end of the pipe body 1 is movably clamped with one side of the left connecting mechanism 2, and one end of the pipe body 1 is movably clamped with one side of the right connecting mechanism 3;
the pipe body 1 comprises an inner corrugated pipe 4, a spring ring 5, an outer corrugated sleeve 6 and an inner pipe 7, wherein the inner wall of the inner corrugated pipe 4 is fixedly connected with the outer wall of the inner pipe 7, the inner wall of the outer corrugated sleeve 6 is movably clamped with the outer wall of the inner corrugated pipe 4, and the spring ring 5 is movably clamped with the inner wall of the outer corrugated sleeve 6;
The left connecting mechanism 2 comprises a left flange 8, a sealing clamping ring 9, a sealing clamping sleeve 10 and a positioning mechanism.
In this embodiment, the inner wall of spring coil 5 and the outer wall activity joint of inside bellows 4, the outer wall parcel of spring coil 5 has the rubber and plastic lag, has further improved the compressive capacity of body 1 through the elasticity of spring coil 5, through the protection of rubber and plastic lag to spring coil 5, has strengthened the durability of the device.
Example 2
As shown in fig. 1-6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, through holes 17 are formed in one end of the outer corrugated sleeve 6, two groups of through holes 17 are formed, the number of each group is four, the through holes 17 are symmetrically distributed on two ends of the outer corrugated sleeve 6, one end of the inner corrugated tube 4 is fixedly connected with a fixed clamping sleeve 16, the fixed clamping sleeve 16 is provided with two groups, the number of each group is four, the fixed clamping sleeve 16 is symmetrically distributed on two ends of the inner corrugated tube 4, the outer corrugated sleeve 6 forms a deflectable structure through between the inner corrugated tube 4 and the spring ring 5, the positioning mechanism comprises a threaded clamping sleeve 11 and a threaded rod 12, the inner wall of the threaded clamping sleeve 11 is in threaded connection with one end of the threaded rod 12, one end of the threaded rod 12 is in threaded connection with the inner wall of the fixed clamping sleeve 16, and one end of the threaded rod 12 is movably clamped with the inner wall of the through holes 17.
In this embodiment, the external bellows 6 rotates along the thread provided on the outer wall of the internal bellows 4, the inner wall of the external bellows 6 is in threaded engagement with the outer wall of the internal bellows 4, the relative positions of the external bellows 6 and the external bellows 6 are limited by the through hole 17 and the fixing clamp sleeve 16, the installation and the use of a user are facilitated, and the relative positions of the external bellows 6 and the internal bellows 4 are fixed by rotating the threaded rod 12, so that the stability of the device is improved.
Example 3
As shown in fig. 1-6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the right side coupling mechanism 3 is including connecting cutting ferrule 14 and right side flange 13, one side of left side flange 8 and the one end activity joint of jar body 1, one side and the sealed snap ring 9 fixed connection of left side flange 8, one side and the one end activity joint of outside ripple cover 6 of sealed snap ring 9, one side and the one side fixed connection of sealed cutting ferrule 10 of left side flange 8, the outer wall and the inner wall activity joint of inner tube 7 of sealed cutting ferrule 10, recess 15 has been seted up to one side of left side flange 8, right side flange 13 fixedly connected with connection cutting ferrule 14, one side of left side flange 8 passes through one side fixed connection of bolt and right side flange 13, the inner wall of recess 15 and the one side activity joint of connection cutting ferrule 14.
In this embodiment, through the joint of sealing sleeve 10 and inner tube 7, sealing snap ring 9 and the joint of outside ripple cover 6 have improved the leakproofness of the device, and convenient to use person connects fixedly to pipe 1 through left side coupling mechanism 2 and right side coupling mechanism 3, through the joint of connecting sleeve 14 and recess 15, has further improved the leakproofness of the device.
The working principle of the improved device of the high-density polyethylene double-wall corrugated pipe is specifically described below.
As shown in fig. 1-6, the spring ring 5 is movably clamped with the outer wall of the inner corrugated tube 4, then the outer corrugated sleeve 6 is rotated along the threads arranged on the outer wall of the inner corrugated tube 4, the inner wall of the outer corrugated sleeve 6 is clamped with the outer wall of the inner corrugated tube 4, the inner corrugated tube 4 is protected by the outer corrugated sleeve 6 and the spring ring 5, the relative positions of the outer corrugated sleeve 6 and the inner corrugated tube 4 are rotated, the through hole 17 and the fixing clamping sleeve 16 are positioned at the relative positions, then the threaded rod 12 is rotated along the inner wall of the threaded clamping sleeve 11, one end of the threaded rod 12 is connected with the inner wall of the fixing clamping sleeve 16, the outer corrugated sleeve 6 and the inner corrugated tube 4 are fixed, meanwhile, the sealing clamping sleeve 10 is clamped with the inner tube 7, the sealing clamping ring 9 is clamped with the outer corrugated sleeve 6, the tightness of the device is improved, and when a plurality of tube bodies 1 are connected, the tube bodies 1 are connected and fixed by the left connecting mechanism 2 and the right connecting mechanism 3, and the clamping sleeve 14 and the grooves 15 are clamped, and the relative positions between the devices are fixed.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (1)

1. The utility model provides an improvement device of high density polyethylene double-walled bellows, includes body (1), left side coupling mechanism (2) and right side coupling mechanism (3), its characterized in that: one end of the pipe body (1) is movably clamped with one side of the left connecting mechanism (2), and one end of the pipe body (1) is movably clamped with one side of the right connecting mechanism (3);
The pipe body (1) comprises an inner corrugated pipe (4), a spring ring (5), an outer corrugated sleeve (6) and an inner pipe (7), wherein the inner wall of the inner corrugated pipe (4) is fixedly connected with the outer wall of the inner pipe (7), the inner wall of the outer corrugated sleeve (6) is movably clamped with the outer wall of the inner corrugated pipe (4), and the spring ring (5) is movably clamped with the inner wall of the outer corrugated sleeve (6);
The left connecting mechanism (2) comprises a left flange (8), a sealing clamping ring (9), a sealing clamping sleeve (10) and a positioning mechanism;
The outer corrugated sleeve is characterized in that through holes (17) are formed in one end of the outer corrugated sleeve (6), two groups of through holes (17) are formed, the number of each group of through holes is four, the through holes (17) are symmetrically distributed on two ends of the outer corrugated sleeve (6), one end of the inner corrugated sleeve (4) is fixedly connected with a fixed clamping sleeve (16), the number of each group of fixed clamping sleeve (16) is two, the number of each group of fixed clamping sleeve (16) is four, the fixed clamping sleeve (16) is symmetrically distributed on two ends of the inner corrugated sleeve (4), and a deflectable structure is formed between the outer corrugated sleeve (6) and a spring ring (5) through the inner corrugated sleeve (4);
The right side connecting mechanism (3) comprises a connecting clamping sleeve (14) and a right side flange (13), one side of the left side flange (8) is movably clamped with one end of the pipe body (1), one side of the left side flange (8) is fixedly connected with the sealing clamping ring (9), one side of the sealing clamping ring (9) is movably clamped with one end of the external corrugated sleeve (6), one side of the left side flange (8) is fixedly connected with one side of the sealing clamping sleeve (10), and the outer wall of the sealing clamping sleeve (10) is movably clamped with the inner wall of the inner pipe (7);
The positioning mechanism comprises a threaded clamping sleeve (11) and a threaded rod (12), wherein the inner wall of the threaded clamping sleeve (11) is in threaded connection with one end of the threaded rod (12), one end of the threaded rod (12) is in threaded connection with the inner wall of the fixed clamping sleeve (16), and one end of the threaded rod (12) is movably clamped with the inner wall of the through hole (17);
The inner wall of the spring ring (5) is movably clamped with the outer wall of the inner corrugated pipe (4), and the outer wall of the spring ring (5) is wrapped with a rubber and plastic protective sleeve;
The novel connecting clamp is characterized in that a groove (15) is formed in one side of the left side flange (8), the right side flange (13) is fixedly connected with a connecting clamping sleeve (14), one side of the left side flange (8) is fixedly connected with one side of the right side flange (13) through a bolt, and the inner wall of the groove (15) is movably clamped with one side of the connecting clamping sleeve (14).
CN202211553588.4A 2022-12-06 2022-12-06 Improved device of high-density polyethylene double-wall corrugated pipe Active CN115949808B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211553588.4A CN115949808B (en) 2022-12-06 2022-12-06 Improved device of high-density polyethylene double-wall corrugated pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211553588.4A CN115949808B (en) 2022-12-06 2022-12-06 Improved device of high-density polyethylene double-wall corrugated pipe

Publications (2)

Publication Number Publication Date
CN115949808A CN115949808A (en) 2023-04-11
CN115949808B true CN115949808B (en) 2024-07-26

Family

ID=87286694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211553588.4A Active CN115949808B (en) 2022-12-06 2022-12-06 Improved device of high-density polyethylene double-wall corrugated pipe

Country Status (1)

Country Link
CN (1) CN115949808B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117927758B (en) * 2024-03-22 2024-05-28 河北炳辰工程材料有限公司 Corrugated pipe structure for improving axial strength of corrugated pipe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211231972U (en) * 2019-12-20 2020-08-11 昆山恒永祥机械设备制造有限公司 Anti-drop flange
CN212273338U (en) * 2020-05-12 2021-01-01 中建六局水利水电建设集团有限公司 Water supply and drainage pipeline connecting joint
CN213685623U (en) * 2020-09-29 2021-07-13 吴江新星塑管材料有限公司 Wear-resisting type PVC double-walled bellows of being convenient for to fix
CN216813220U (en) * 2022-02-18 2022-06-24 贵州省源单新材料科技有限公司 M-shaped steel belt reinforced plastic steel winding drain pipe

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439940A (en) * 1965-06-21 1969-04-22 Ritter Pfaudler Corp Connection with a glass coated sealing surface
JP4406833B2 (en) * 2004-03-26 2010-02-03 株式会社山辰組 Water hose, pipe connector and connection method
KR200473779Y1 (en) * 2013-03-18 2014-07-31 주식회사 코뿔소 Jiont device for corrugated pipe
CN205978862U (en) * 2016-08-08 2017-02-22 喀什市新秦管业有限责任公司 High density polyethylene double -walled bellows with new wave form
CN206221831U (en) * 2016-10-14 2017-06-06 滁州华星塑业有限公司 A kind of double-wall corrugated pipe being easily installed
CN106439269A (en) * 2016-11-18 2017-02-22 安徽瑞通塑业有限公司 High axial connection strength double-layer-wall corrugated pipe
CN207005483U (en) * 2017-07-28 2018-02-13 杭州鑫璐实业有限公司 A kind of HPVC double-wall corrugated pipes
CN207421617U (en) * 2017-09-28 2018-05-29 衡水弘祥工程材料有限公司 A kind of heat-insulated bellows of service life length
CN107605584A (en) * 2017-10-16 2018-01-19 苏州宏恒化工有限公司 A kind of connecting tube in automobile exhaust purification equipment
CN207975354U (en) * 2018-01-17 2018-10-16 江苏鲁宁管业科技有限公司 UPVC double-walled bellows
CN208107350U (en) * 2018-04-25 2018-11-16 江苏舜龙管业科技有限公司 Dual-metal clad steel pipe
CN108709023A (en) * 2018-06-04 2018-10-26 苏州赛易特环保科技有限公司 A kind of water pipe of the water treatment facilities with splicing function
CN209414874U (en) * 2018-12-28 2019-09-20 四川鑫中泰新材料有限公司 Steel-plastics composite pipe rapid rush-repair connector
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
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
CN210600495U (en) * 2019-08-30 2020-05-22 嘉兴华佳通塑业有限公司 Corrosion-resistant FRPP double-wall corrugated pipe
CN212377476U (en) * 2020-05-27 2021-01-19 江苏瑞源塑业有限公司 Better bellows of resistance to compression effect
CN213361385U (en) * 2020-09-28 2021-06-04 内蒙古龙源节水工程有限公司 Chlorinated polyvinyl chloride plastic double-wall corrugated pipe
CN214331848U (en) * 2020-12-23 2021-10-01 河南洁宜鑫管业有限公司 Novel high-density polyethylene double-wall corrugated pipe
CN112815181A (en) * 2021-02-03 2021-05-18 迈宇环保技术(浙江)有限公司 LNG double-wall pipe with elastic supporting structure
CN214500380U (en) * 2021-02-23 2021-10-26 天津市华水自来水建设有限公司 Municipal administration water supply line antiseep's connection structure
CN214467032U (en) * 2021-03-05 2021-10-22 嘉兴禾亚建设有限公司 Quick connecting device is used in municipal administration pipeline maintenance
CN216520039U (en) * 2021-12-24 2022-05-13 江苏斯迈锐自动化科技有限公司 High-strength corrosion-resistant stainless steel welded corrugated pipe
CN216520051U (en) * 2021-12-29 2022-05-13 四川川环科技股份有限公司 Ventilating hose
CN216843480U (en) * 2022-02-28 2022-06-28 广州富力通管道设备有限公司 Cold water lining plastic composite pipe convenient to maintain
CN217784455U (en) * 2022-05-26 2022-11-11 康命源(京山)新材料科技发展有限公司 Corrugated pipe with laying, supporting and positioning structure
CN115059815A (en) * 2022-05-30 2022-09-16 马鞍山市广源法兰环件有限公司 Flange of hydraulic pipeline of engineering machinery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211231972U (en) * 2019-12-20 2020-08-11 昆山恒永祥机械设备制造有限公司 Anti-drop flange
CN212273338U (en) * 2020-05-12 2021-01-01 中建六局水利水电建设集团有限公司 Water supply and drainage pipeline connecting joint
CN213685623U (en) * 2020-09-29 2021-07-13 吴江新星塑管材料有限公司 Wear-resisting type PVC double-walled bellows of being convenient for to fix
CN216813220U (en) * 2022-02-18 2022-06-24 贵州省源单新材料科技有限公司 M-shaped steel belt reinforced plastic steel winding drain pipe

Also Published As

Publication number Publication date
CN115949808A (en) 2023-04-11

Similar Documents

Publication Publication Date Title
CN115949808B (en) Improved device of high-density polyethylene double-wall corrugated pipe
KR100340628B1 (en) Synthetic Resin Wave Tube
CN112103876B (en) Electric power engineering pipeline and construction method thereof
CN111810750A (en) Pressure-resistant corrugated pipe
CN212811186U (en) Cable sheath butt joint connection structure
CN213661168U (en) Double-sided grid pattern BWFRP (fiberglass reinforced plastic) glass fiber winding pultrusion tube
CN2729980Y (en) Cable connection sealing end and oil-filled communication cable connection sleeve
CN216520032U (en) Composite pipe connecting assembly
CN210462106U (en) A mantle fiber structure for butt joint of carat pipe
CN214534944U (en) High-strength nested sleeve
CN213929905U (en) Buried HDPE double-wall corrugated pipe
CN219627287U (en) Shock-resistant heat-resistant flame-retardant MPP power tube with high corrosion resistance
CN208365015U (en) A kind of novel double flange limit expansion joints
CN219959985U (en) Cable protection tube
CN206471768U (en) A kind of long-life, high pressure resistant electric expander component
CN220152097U (en) Shock insulation support for buried pipeline
CN212154687U (en) Expansion compensator for pipe column
CN220980555U (en) Double-arm wave-generating tube with high corrosion resistance
CN216045934U (en) Novel winding B type carat pipe of polyethylene
CN220506036U (en) Double-wall corrugated pipe with reinforcing structure
CN220754311U (en) High-voltage power supply pipe connection structure for power transmission
CN219120018U (en) Stainless steel braided corrugated pipe assembly
CN216896391U (en) Go out protection architecture of pre-buried galvanized pipe in ground
CN116978610B (en) Tensile wear-resistant waterproof medium-voltage cable
CN219102305U (en) Seepage-proofing structure of water conservancy construction pipeline

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