CN113028164A - Water supply and drainage pipeline connecting structure and connecting method - Google Patents

Water supply and drainage pipeline connecting structure and connecting method Download PDF

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Publication number
CN113028164A
CN113028164A CN202110403577.7A CN202110403577A CN113028164A CN 113028164 A CN113028164 A CN 113028164A CN 202110403577 A CN202110403577 A CN 202110403577A CN 113028164 A CN113028164 A CN 113028164A
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CN
China
Prior art keywords
sleeve
butt joint
drainage pipeline
water supply
locking sleeve
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.)
Pending
Application number
CN202110403577.7A
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Chinese (zh)
Inventor
黄坚城
黄坚勇
黄养生
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.)
Shenzhen Green City Construction Co ltd
Original Assignee
Shenzhen Green City Construction 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 Shenzhen Green City Construction Co ltd filed Critical Shenzhen Green City Construction Co ltd
Priority to CN202110403577.7A priority Critical patent/CN113028164A/en
Publication of CN113028164A publication Critical patent/CN113028164A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006Screw-threaded joints; Forms of screw-threads for such joints with straight threads
    • F16L15/008Screw-threaded joints; Forms of screw-threads for such joints with straight threads with sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/04Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/08Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The invention relates to the technical field of pipeline connection, and discloses a water supply and drainage pipeline connecting structure which comprises two drainage pipeline main bodies which are connected with each other, wherein thread grooves are formed in the outer walls of the two drainage pipeline main bodies, the two drainage pipeline main bodies are connected with butt joint pieces for quick butt joint installation through thread grooves in a threaded mode, and locking pieces are sleeved outside the butt joint pieces so that the two drainage pipeline main bodies are fixedly connected together. This water supply and drainage pipeline connection structure and connection method, through being provided with the butt joint piece, two drain pipe main parts of being convenient for carry out quick butt joint, other technologies such as welding seam need not carry out the butt joint, manufacturing process has been saved, simultaneously through being provided with the locking piece, be convenient for accomplish the locking between two drain pipe main parts through the mode of joint, simple to operate can carry out the dismouting fast simultaneously, the later stage of being convenient for is maintained, damage appears when the installed part simultaneously, can change its list fast, need not whole change.

Description

Water supply and drainage pipeline connecting structure and connecting method
Technical Field
The invention relates to the technical field of pipeline connection, in particular to a water supply and drainage pipeline connecting structure and a connecting method.
Background
The drainage pipeline refers to a system consisting of a pipeline for collecting and discharging sewage, wastewater and rainwater and auxiliary facilities thereof, and comprises a main pipe, branch pipes and pipelines leading to a treatment plant, and the pipelines which are built on a street or anywhere else and are used for drainage statistics as long as the pipelines play a drainage role.
At present, the connection of present water supply and drainage pipeline all need carry on for example after the welding ring flange at the link can fix through the bolt, or just can fix through the ferrule after the bent snap ring, and this kind of processing has increased manufacturing process on the one hand, on the other hand no matter welding or processing such as buckling, all can lead to water supply and drainage pipeline intensity or uniformity at the processing position to be poor than unprocessed position, the life of water supply and drainage pipeline hookup location is all reduced to welding seam fracture and bent attenuation, and be not convenient for carry out quick dismouting to it in the use, lead to later maintenance extremely inconvenient, so provide a water supply and drainage pipeline connection structure and connection method and solve above-mentioned problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a water supply and drainage pipeline connecting structure and a connecting method, which have the advantages of quick assembly and disassembly and the like, and solve the problems of shortened service life of the connecting position of the water supply and drainage pipeline and extremely inconvenient later maintenance.
(II) technical scheme
In order to achieve the purpose of quick assembly and disassembly, the invention provides the following technical scheme: the utility model provides a water supply and drainage pipeline connection structure, includes two interconnect's drain pipe main part, two the outer wall of drain pipe main part all is formed with the thread groove, two the drain pipe main part has the butt joint piece that is used for quick butt joint installation through thread groove threaded connection, and the outside cover of butt joint piece is equipped with the locking piece to make two drain pipe main parts fixed connection together.
Preferably, the butt joint piece comprises a sleeve and a butt joint barrel, the inner walls of the sleeve and the butt joint barrel are respectively provided with thread grooves matched with the two drain pipe main bodies, and the thread grooves are respectively in threaded connection with the two drain pipe main bodies.
Preferably, one end of the butt joint barrel is connected with an insertion barrel which can be inserted into the sleeve, the outer wall surface of the insertion barrel is provided with a stopping component, the inner wall surface of the sleeve is provided with a stopping groove, and the stopping component and the stopping groove are matched and locked with each other to prevent the two drainage pipe main bodies from rotating relatively.
Preferably, the stopping assembly is a convex block with an isosceles trapezoid front end, the stopping groove is a groove with an isosceles trapezoid tail end, and the convex block on the inserting cylinder can be embedded in the groove on the sleeve to be mutually stopped.
Preferably, the locking piece comprises an upper locking sleeve and a lower locking sleeve, two opposite clamping blocks are arranged on the outer wall surface of the upper locking sleeve, and two opposite locking blocks are arranged on the outer wall surface of the lower locking sleeve.
Preferably, the inner walls of the locking sleeve and the lower locking sleeve are provided with sealing gaskets for sealing a connecting gap in the middle of the butt joint piece.
Preferably, an extension spring is arranged in the upper locking sleeve, and one end of the extension spring is connected with a clamping column.
Preferably, the locking block on the lower locking sleeve is L-shaped, and the lower locking sleeve is provided with a clamping hole, so that the clamping column can be inserted into the clamping hole.
Preferably, the clamping column and the clamping hole are both trapezoidal with the lower parts being inclined.
The invention provides a water supply and drainage pipeline connecting method, which comprises the following steps:
1) the outer parts of the opposite ends of the two drainage pipe main bodies are respectively in threaded connection with the sleeve and the butt joint barrel, the two are in butt joint, the front end of the butt joint barrel is inserted into the sleeve, and the stop assembly on the butt joint barrel is embedded into the stop groove on the sleeve;
2) the upper locking sleeve and the lower locking sleeve are butted by taking a butt joint gap between the sleeve and the butt joint barrel as a center, the upper locking sleeve and the lower locking sleeve are sleeved outside the sleeve and the butt joint barrel, and the clamping block on the upper locking sleeve is embedded into the locking block on the lower locking sleeve, so that the clamping column in the clamping block is inserted into the clamping hole on the locking block, and the connection is completed.
(III) advantageous effects
Compared with the prior art, the invention provides a water supply and drainage pipeline connecting structure and a connecting method, which have the following beneficial effects:
this water supply and drainage pipeline connection structure and connection method, through being provided with the butt joint piece, two drain pipe main parts of being convenient for carry out quick butt joint, other technologies such as welding seam need not carry out the butt joint, manufacturing process has been saved, simultaneously through being provided with the locking piece, be convenient for accomplish the locking between two drain pipe main parts through the mode of joint, simple to operate can carry out the dismouting fast simultaneously, the later stage of being convenient for is maintained, damage appears when the installed part simultaneously, can change its list fast, need not whole change.
Drawings
FIG. 1 is a schematic structural view of a water supply and drainage pipeline connection structure and a connection method according to the present invention;
FIG. 2 is a sectional view of a water supply and drainage pipeline connection structure and a connection method according to the present invention;
FIG. 3 is a schematic view of a connecting structure and a connecting method of a water supply and drainage pipeline butt-joint barrel according to the present invention;
FIG. 4 is a schematic view of a sleeve structure of a water supply and drainage pipeline connection structure and a connection method according to the present invention;
FIG. 5 is a sectional view of a locking member of a water supply and drainage pipeline connecting structure and a connecting method according to the present invention;
FIG. 6 is an enlarged view of the structure A in FIG. 5 illustrating a water supply and drainage pipeline connection structure and a connection method according to the present invention.
In the figure: the water pipe comprises a water pipe body 1, an abutting piece 2, a locking piece 3, a butt joint barrel 21, a sleeve 22, an insertion barrel 23, a stop assembly 24, a stop groove 25, an upper stop sleeve 31, a lower stop sleeve 32, a lock block 33, a clamp hole 34, a clamp block 35, a telescopic spring 36, a clamp column 37 and a sealing gasket 38.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, this embodiment provides a water supply and drainage pipeline connecting structure, including two drain pipe main parts 1 that connect gradually, the inside of drain pipe main part 1 is hollow form, be used for the circulation of water, the outer wall of the relative one end of two drain pipe main parts 1 all is formed with the thread groove, two drain pipe main parts 1 have butt joint piece 2 through thread groove threaded connection, the quick butt joint installation of two drain pipe main parts 1 has been realized, the outside cover of butt joint piece 2 is equipped with lock piece 3, make two drain pipe main parts 1 fixed connection together through lock piece 3, therefore, two drain pipe main parts 1 are for dismantling the connection, the user can be fast convenient carry out the dismouting to it, thereby the very big drain pipe of having made things convenient for the.
Further, as shown in fig. 2-4, the docking member 2 includes a sleeve 22 and a docking barrel 21, the inner diameters of the sleeve 22 and the docking barrel 21 are adapted to the outer diameter of the drain pipe body 1, the inner walls of the sleeve 22 and the docking barrel 21 are both provided with thread grooves adapted to the two drain pipe bodies 1, and the thread grooves are respectively screwed on the two drain pipe bodies 1, so that the effect of quickly dismounting the docking member 2 is achieved, and the docking member 2 can be used for multiple times and quickly replaced.
An insertion tube 23 is integrally formed at one end of the butting tube 21, the outer diameter of the insertion tube 23 is the same as that of the drain pipe main bodies 1, the insertion tube 23 can be inserted into the sleeve 22 and attached to the inner wall of the sleeve 22, so that the two drain pipe main bodies 1 are butted, a stop assembly 24 is fixedly connected to the outer wall of the insertion tube 23, a stop groove 25 is formed in the inner wall of the sleeve 22, the stop assembly 24 and the stop groove 25 can be matched and locked with each other, so that the two drain pipe main bodies 1 are prevented from rotating relatively, the butting piece 2 is loosened, and the torsion resistance between the two drain pipe main bodies 1 is improved.
The stopping component 24 on the outer wall of the inserting tube 23 is a convex block with an isosceles trapezoid front end, the stopping groove 25 on the inner wall of the sleeve 22 is a groove with an isosceles trapezoid tail end, and the convex block on the inserting tube 23 can be embedded in the groove on the sleeve 22 to be stopped mutually, so that the relative rotation of the two drainage pipe main bodies 1 is limited through the groove and the groove.
The plurality of the stop assemblies 24 on the outer wall of the insertion tube 23 and the plurality of the stop grooves 25 on the inner wall of the sleeve 22 are preferably uniformly arranged on the outer wall of the insertion tube 23 and the inner wall of the sleeve 22, and the stop assemblies 24 are arranged corresponding to the stop grooves 25.
Further, as shown in fig. 5 to 6, the locking member 3 includes an upper locking sleeve 31 and a lower locking sleeve 32 which are sleeved outside the docking member 2, the upper locking sleeve 31 and the lower locking sleeve 32 are both semi-circular, and are circular when the upper locking sleeve 31 and the lower locking sleeve 32 are combined together, and the inner diameter thereof is adapted to the outer diameter of the docking member 2, two opposite locking blocks 35 are integrally formed on the outer wall surface of the upper locking sleeve 31, two opposite locking blocks 33 are integrally formed on the outer wall surface of the lower locking sleeve 32, and the locking blocks 35 and the locking blocks 33 can be locked by the docking member 2 through the locking member 3, so that the locking is prevented from being loosened, and meanwhile, a connecting gap in the middle of the docking member 2 is sealed.
The inner walls of the upper locking sleeve 31 and the lower locking sleeve 32 are provided with sealing gaskets 38 for sealing the connection gap between the butting part 2 and preventing water leakage.
Above-mentioned locking piece 33 on the locking cover 31 is inside to be well cavity, and the outside opening that is equipped with of locking piece 33, it has expanding spring 36 to embed in the well cavity, expanding spring 36's one end is connected with runs through open-ended card post 37, it stretches out and draws back in the opening through expanding spring 36's elasticity to be convenient for card post 37, locking piece 33 on the locking cover 32 is the L font down, be convenient for lock piece 33 embedding locking piece 33 in, card hole 34 has been seted up on the locking cover 32 down, be convenient for card post 37 inserts in the card hole 34, thereby make locking cover 31 and the locking of locking cover 32 down, and then lock two drain pipe main parts 1.
The clamping column 37 and the clamping hole 34 are both trapezoidal, the lower parts of which are inclined, so that the situation that the clamping column 37 blocks when the clamping block 35 is embedded into the locking block 33 is avoided.
A method for connecting a water supply and drainage pipeline comprises the following steps:
1) the external parts of the opposite ends of the two drainage pipe bodies 1 are respectively in threaded connection with the sleeve 22 and the butting cylinder 21, and are butted, so that the front end of the butting cylinder 21 is inserted into the sleeve 22, and the stop component 24 on the butting cylinder 21 is embedded into the stop groove 25 on the sleeve 22;
2) the upper locking sleeve 31 and the lower locking sleeve 32 are butted by taking a butting gap between the sleeve 22 and the butting cylinder 21 as a center, the sleeve 22 and the butting cylinder 21 are sleeved with the upper locking sleeve 31 and the lower locking sleeve, the fixture block 35 on the upper locking sleeve 31 is embedded into the locking block 33 on the lower locking sleeve 32, and the fixture column 37 in the fixture block 35 is inserted into the fixture hole 34 on the locking block 33, so that the connection is completed.
In summary, according to the water supply and drainage pipeline connecting structure and the connecting method, the sleeve 22 and the butt joint cylinder 21 are respectively screwed on the two drainage pipeline bodies 1, the two drainage pipeline bodies 1 can be quickly butted by inserting the butt joint cylinder 21 into the sleeve 22, meanwhile, the stop assembly 24 is embedded into the stop groove 25, so that the connection between the two drainage pipeline bodies is more stable, the upper locking sleeve 31 and the lower locking sleeve 32 are arranged outside the butt joint part 2, the upper locking sleeve 31 and the lower locking sleeve 32 are provided with the sealing gaskets 38, so that the gap at the connection position of the connecting part 2 is conveniently sealed by the sealing gaskets 38, the connecting part 2 and the two drainage pipeline bodies 1 are locked by clamping the upper locking sleeve 31 and the lower locking sleeve 32, the clamping blocks 35 and the locking blocks 33 are respectively arranged on the upper locking sleeve 31 and the lower locking sleeve 32, so that the upper locking sleeve 31 and the lower locking sleeve 32 are conveniently and quickly locked by the clamping relationship between the clamping blocks 35 and the locking blocks 33, thereby accomplishing the installation, achieving the effects of simplified structure and convenient maintenance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A water supply and drainage pipeline connecting structure comprises two mutually connected drainage pipe main bodies (1), and is characterized in that: two the outer wall of drain pipe main part (1) all is formed with the thread groove, two drain pipe main part (1) has butt joint piece (2) that are used for quick butt joint installation through thread groove threaded connection, and the outside cover of butt joint piece (2) is equipped with locking piece (3) to make two drain pipe main parts (1) fixed connection together.
2. A water supply and drainage pipeline connecting structure as claimed in claim 1, wherein: the butt joint piece (2) comprises a sleeve (22) and a butt joint barrel (21), the inner walls of the sleeve (22) and the butt joint barrel (21) are provided with thread grooves matched with the two drain pipe main bodies (1), and the thread grooves are respectively in threaded connection with the two drain pipe main bodies (1).
3. A water supply and drainage pipeline connecting structure as claimed in claim 2, wherein: one end of the butt joint barrel (21) is connected with an insertion barrel (23) capable of being inserted into the sleeve (22), the outer wall surface of the insertion barrel (23) is provided with a stopping component (24), the inner wall surface of the sleeve (22) is provided with a stopping groove (25), and the stopping component (24) and the stopping groove (25) are matched and locked with each other to prevent the two drainage pipe main bodies (1) from rotating relatively.
4. A water supply and drainage pipeline connecting structure as claimed in claim 3, wherein: the stop assembly (24) is a convex block with an isosceles trapezoid front end, the stop groove (25) is a groove with an isosceles trapezoid tail end, and the convex block on the insertion tube (23) can be embedded in the groove on the sleeve (22) to be mutually stopped.
5. A water supply and drainage pipeline connecting structure as claimed in claim 1, wherein: the locking piece (3) comprises an upper locking sleeve (31) and a lower locking sleeve (32), two opposite clamping blocks (35) are arranged on the outer wall surface of the upper locking sleeve (31), and two opposite locking blocks (33) are arranged on the outer wall surface of the lower locking sleeve (32).
6. A water supply and drainage pipeline connecting structure as claimed in claim 5, wherein: the inner walls of the locking sleeve and the lower locking sleeve (32) are provided with sealing gaskets (38) for sealing connection gaps in the middle of the butt joint part (2).
7. A water supply and drainage pipeline connecting structure as claimed in claim 5, wherein: an extension spring (36) is arranged in the upper locking sleeve (31), and one end of the extension spring (36) is connected with a clamping column (37).
8. A water supply and drainage pipeline connecting structure as claimed in claim 7, wherein: the locking block (33) on the lower locking sleeve (32) is L-shaped, and the lower locking sleeve (32) is provided with a clamping hole (34) so that the clamping column (37) can be inserted into the clamping hole (34).
9. A water supply and drainage pipeline connecting structure as claimed in claim 8, wherein: the clamping column (37) and the clamping hole (34) are both trapezoidal with the lower parts being inclined.
10. A method for connecting a water supply and drainage pipeline is characterized by comprising the following steps:
1) the outer parts of the opposite ends of the two drainage pipe bodies (1) are respectively in threaded connection with a sleeve (22) and a butt joint barrel (21) and are in butt joint, so that the front end of the butt joint barrel (21) is inserted into the sleeve (22), and a stop component (24) on the butt joint barrel (21) is embedded into a stop groove (25) on the sleeve (22);
2) the upper locking sleeve (31) and the lower locking sleeve (32) are butted by taking a butt joint gap between the sleeve (22) and the butt joint barrel (21) as a center, the upper locking sleeve and the lower locking sleeve are sleeved outside the sleeve (22) and the butt joint barrel (21), a clamping block (35) on the upper locking sleeve (31) is embedded into a locking block (33) on the lower locking sleeve (32), and a clamping column (37) in the clamping block (35) is inserted into a clamping hole (34) on the locking block (33) to complete connection.
CN202110403577.7A 2021-04-15 2021-04-15 Water supply and drainage pipeline connecting structure and connecting method Pending CN113028164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110403577.7A CN113028164A (en) 2021-04-15 2021-04-15 Water supply and drainage pipeline connecting structure and connecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110403577.7A CN113028164A (en) 2021-04-15 2021-04-15 Water supply and drainage pipeline connecting structure and connecting method

Publications (1)

Publication Number Publication Date
CN113028164A true CN113028164A (en) 2021-06-25

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CN202110403577.7A Pending CN113028164A (en) 2021-04-15 2021-04-15 Water supply and drainage pipeline connecting structure and connecting method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113324117A (en) * 2021-06-30 2021-08-31 江苏新宏大集团有限公司 Simple splicing type connecting flange applied to petrochemical engineering installation engineering
CN115090158A (en) * 2022-07-08 2022-09-23 苏州西热节能环保技术有限公司 a pipeline mixer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005076676A (en) * 2003-08-28 2005-03-24 Fujii Gokin Seisakusho Co Ltd Connecting structure of connector and gas valve provided therewith
CN211523424U (en) * 2019-10-08 2020-09-18 甘肃博冠工程建设有限公司 A drain pipe for municipal works's installation of being convenient for
CN211649359U (en) * 2020-01-13 2020-10-09 靖江市富源船舶配件有限公司 Flange type quick connector for ship
CN212056209U (en) * 2020-03-15 2020-12-01 广东恒信源智能装备有限公司 Splicing type braided tube
CN212251543U (en) * 2020-06-10 2020-12-29 郭庆德 Municipal administration water supply and drainage pipeline coupling assembling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005076676A (en) * 2003-08-28 2005-03-24 Fujii Gokin Seisakusho Co Ltd Connecting structure of connector and gas valve provided therewith
CN211523424U (en) * 2019-10-08 2020-09-18 甘肃博冠工程建设有限公司 A drain pipe for municipal works's installation of being convenient for
CN211649359U (en) * 2020-01-13 2020-10-09 靖江市富源船舶配件有限公司 Flange type quick connector for ship
CN212056209U (en) * 2020-03-15 2020-12-01 广东恒信源智能装备有限公司 Splicing type braided tube
CN212251543U (en) * 2020-06-10 2020-12-29 郭庆德 Municipal administration water supply and drainage pipeline coupling assembling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113324117A (en) * 2021-06-30 2021-08-31 江苏新宏大集团有限公司 Simple splicing type connecting flange applied to petrochemical engineering installation engineering
CN113324117B (en) * 2021-06-30 2021-11-30 江苏新宏大集团有限公司 Simple splicing type connecting flange applied to petrochemical engineering installation engineering
CN115090158A (en) * 2022-07-08 2022-09-23 苏州西热节能环保技术有限公司 a pipeline mixer

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Application publication date: 20210625

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