CN117889277A - Chemical equipment pipeline treatment structure - Google Patents
Chemical equipment pipeline treatment structure Download PDFInfo
- Publication number
- CN117889277A CN117889277A CN202410295700.1A CN202410295700A CN117889277A CN 117889277 A CN117889277 A CN 117889277A CN 202410295700 A CN202410295700 A CN 202410295700A CN 117889277 A CN117889277 A CN 117889277A
- Authority
- CN
- China
- Prior art keywords
- pipe
- communication
- side pipe
- port
- communicating
- 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.)
- Granted
Links
- 239000000126 substance Substances 0.000 title claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 238000001125 extrusion Methods 0.000 description 5
- 241000446313 Lamella Species 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention belongs to the technical field of pipeline installation, and particularly discloses a chemical equipment pipeline treatment structure, which comprises a communication middle pipe, wherein two ends of the communication middle pipe are symmetrically provided with plug-in ports, the plug-in ports divide the communication middle pipe into an inner layer and an outer layer, the inner sides of the plug-in ports are respectively provided with a communication side pipe in a plug-in manner, the outer ports of the communication middle pipe are provided with rubber sleeves, the rubber sleeves are flush with the outer ports of the inner layers of the communication middle pipe, the inner parts of the plug-in ports are respectively provided with a communication side pipe in a sliding plug-in manner, a plurality of displacement limiting structures are arranged between the communication side pipes and the communication middle pipe, and port connecting pieces are respectively arranged at the ends, far away from each other, of the two communication side pipes, and the communication side pipes are connected with the communication middle pipe through sealing locking pieces. The invention can adjust the connection distance between pipelines under the cooperation of the communicating middle pipe, the communicating side pipe, the displacement limiting structure and the sealing locking piece, thereby effectively improving the flexibility of the communicating installation of the pipelines.
Description
Technical Field
The invention belongs to the technical field of pipeline installation, and particularly relates to a chemical equipment pipeline treatment structure.
Background
Chemical pipeline installation is a complex process requiring strict adherence to operating specifications and safety regulations, and in order to ensure tightness between pipeline port connections during installation, port connectors are typically used for connection processing, thereby ensuring tightness of communication between pipelines.
The existing port connecting piece is single in structure and fixed, and the installation length cannot be adjusted according to the distance between the ports of the pipeline, so that the installation practicability is reduced, and the structure for treating the chemical equipment pipeline is provided for solving the defects in the prior art.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a chemical equipment pipeline treatment structure.
In order to achieve the above purpose, the invention provides a chemical equipment pipeline treatment structure, which comprises a communicating middle pipe, wherein two ends of the communicating middle pipe are symmetrically provided with inserting ports, the inserting ports divide the communicating middle pipe into an inner layer and an outer layer, the inner sides of the inserting ports are respectively provided with a communicating side pipe in an inserting mode, the outer layer ports of the communicating middle pipe are provided with rubber sleeves, the rubber sleeves are flush with the outer ports of the inner layer of the communicating middle pipe, the inner parts of the inserting ports are respectively provided with a communicating side pipe in a sliding inserting mode, a plurality of displacement limiting structures are arranged between the communicating side pipes and the communicating middle pipe, and one ends, far away from each other, of the two communicating side pipes are respectively provided with a port connecting piece;
the connecting side pipe is connected with the connecting middle pipe through a sealing locking piece, the sealing locking piece comprises a clamp arranged on the outer side of one end of the connecting middle pipe, which is close to the rubber sleeve, the clamp port connecting lugs are fixedly locked through a fixing piece, the rubber sleeve is far away from one end of the clamp, a pushing ring pad is fixedly arranged on one end of the rubber sleeve, and two pushing pieces for compressing the rubber sleeve are symmetrically arranged between the pushing ring pad and the clamp.
In the above technical scheme, further, displacement limit structure is including seting up the slip slotted hole that is close to cartridge mouth one end at the intercommunication side pipe, slip slotted hole inside slip is provided with spacing traveller, spacing traveller and intercommunication middle tube inlayer outer wall fixed connection, spacing traveller can carry out spacingly to the intercommunication side pipe displacement.
In the above technical scheme, further, the rubber sleeve inner wall of clamp corresponding position is provided with anti-skidding tooth pad, the intercommunication side pipe outer wall of slide slot hole corresponding position evenly is provided with anti-skidding line.
In the above technical scheme, further, the port connecting piece includes two ring flanges, two through a plurality of retaining members zonulae occludens between the ring flange border, and two the ring flanges keep away from each other equal fixedly connected with cartridge cover of one end, the cartridge cover outside all overlaps and is equipped with the seal cover, one of them the seal cover is hugged closely and is connected with side pipe port inner wall.
In the above technical scheme, further, the ring flange tip in the seal cover outside is provided with a plurality of fixed clamping lamella along circumferencial direction equidistance, and a plurality of fixed clamping lamella laminating jointly is equipped with the extrusion ring cover at the common screw thread cover in outside and communicates side pipe port outer wall.
In the above technical scheme, further, the fixed cover of intercommunication well pipe port inlayer outer wall is equipped with the rubber ring, rubber ring and the sealed laminating of intercommunication side pipe inner wall.
In the above technical scheme, further, the pushing piece is including rotating the thread bush of installing at the clamp outer wall, the inside screw thread cartridge of thread bush has the threaded rod, threaded rod keeps away from thread bush one end and rotates the cover and be equipped with dop and tip fixed connection knob pushing ring pad border position is provided with the buckle with dop assorted.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the plug-in port is arranged, so that the communication side pipe and the communication middle pipe can be connected in a penetrating way, the distance between the communication installation of the pipelines is convenient to adjust, and the arranged sealing locking piece can tightly connect the communication side pipe and the communication middle pipe under the cooperation of the rubber sleeve;
by arranging the displacement limiting structure, the drawing distance of the communication side pipe can be limited, the separation phenomenon of the communication side pipe and the communication middle pipe in the operation process is avoided, and the stability of component installation is ensured;
through setting up the port connecting piece to can carry out intercommunication installation with intercommunication side pipe and equipment pipeline and handle, effectively ensure the intercommunication leakproofness between intercommunication side pipe and the equipment pipeline.
Drawings
FIG. 1 is a schematic structural view of a chemical plant pipeline treatment structure according to the present invention;
FIG. 2 is a schematic diagram of a port connector of a chemical plant pipeline processing structure according to the present invention;
FIG. 3 is a split schematic of a port connector;
FIG. 4 is a partial cross-sectional view of a chemical plant pipeline treatment structure according to the present invention;
FIG. 5 is a schematic view of a seal lock for a chemical plant pipeline handling structure according to the present invention;
fig. 6 is a schematic view of a portion of the structure of fig. 4.
In the figure: the connecting middle pipe 1, the clamp 2, the extrusion ring sleeve 3, the sealing sleeve 4, the connecting side pipe 5, the thread sleeve 6, the pushing ring pad 7, the rubber sleeve 8, the limiting slide column 9, the flange plate 10, the plug bush 11, the fixed clamping valve 12, the locking piece 13, the sliding slot hole 14, the anti-skid thread 15, the anti-skid tooth pad 16, the plug opening 17, the buckle 18, the rubber ring 19, the threaded rod 20, the knob 21, the fixing piece 22 and the clamping head 23.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
1-6, a chemical equipment pipeline treatment structure comprises a communicating middle pipe 1, wherein two ends of the communicating middle pipe 1 are symmetrically provided with an inserting port 17, the communicating middle pipe 1 is divided into an inner layer and an outer layer by the inserting port 17, the inner side of the inserting port 17 is respectively inserted with a communicating side pipe 5, the outer layer port of the communicating middle pipe 1 is provided with a rubber sleeve 8, the rubber sleeve 8 is flush with the outer port of the inner layer of the communicating middle pipe 1, the communicating side pipe 5 is respectively inserted in the inserting port 17 in a sliding manner, the communicating side pipe 5 and the communicating middle pipe 1 can be connected in an inserting manner through the inserting port 17, so that the distance between pipeline communicating installation is adjusted, the communicating side pipe 5 and the communicating middle pipe 1 are connected through a sealing locking piece, the sealing locking piece comprises a clamp 2 which is arranged outside one end of the rubber sleeve 8 near the communicating middle pipe 1, the port connecting lugs of the clamp 2 are locked and fixed through a fixing piece 22, one end, far away from the clamp 2, of the rubber sleeve 8 is fixedly provided with a pushing ring pad 7, and two pushing pieces for compressing the rubber sleeve 8 are symmetrically arranged between the pushing ring pad 7 and the clamp 2; through clamp 2 and mounting 22 that set up to can be with rubber sleeve 8 fastening seal in the intercommunication side pipe 5 outside, reach preliminary sealing connection effect, pipe 1 can set up into different angle states according to actual demand in this technical scheme simultaneously, is L type setting for example.
The pushing part comprises a thread sleeve 6 rotatably arranged on the outer wall of the clamp 2, a threaded rod 20 is inserted into the thread sleeve 6 in a threaded manner, a clamping head 23 is rotatably sleeved at one end, far away from the thread sleeve 6, of the threaded rod 20, a knob 21 is fixedly connected with the end part of the threaded rod, and a clamping buckle 18 matched with the clamping head 23 is arranged at the edge position of the pushing ring pad 7; through setting up buckle 18, after the dop 23 cartridge is inside the bayonet socket of buckle 18, through rotatory knob 21 to threaded rod 20 can be to the inside shrink of thread bush 6, causes to push the ring pad 7 to carry out the extrusion compression to rubber sleeve 8, with this closely laminating with the intercommunication side pipe 5 outer wall, thereby further increase the connection compactness of part.
A plurality of displacement limiting structures are arranged between the communication side pipes 5 and the communication middle pipe 1, port connecting pieces are arranged at the ends, far away from each other, of the two communication side pipes 5, each displacement limiting structure comprises a sliding slot 14 formed in one end, close to the insertion port 17, of the communication side pipe 5, a limiting sliding column 9 is arranged in the sliding slot 14 in a sliding mode, the limiting sliding column 9 is fixedly connected with the outer wall of the inner layer of the communication middle pipe 1, and the limiting sliding column 9 can limit the displacement of the communication side pipe 5; through setting up sliding slotted hole 14 and spacing traveller 9 to can inject the pull distance of intercommunication side pipe 5, avoid in the operation in-process intercommunication side pipe 5 and intercommunication center tube 1 appear separating the phenomenon, ensure the stability of part installation.
The inner wall of the rubber sleeve 8 at the corresponding position of the clamp 2 is provided with an anti-slip tooth pad 16, and the outer wall of the communication side pipe 5 at the corresponding position of the sliding slotted hole 14 is uniformly provided with anti-slip patterns 15; by providing the anti-slip tooth pad 16 and the anti-slip pattern 15, the connection tightness of the rubber sleeve 8 and the communication side pipe 5 in the locked state can be increased.
The port connecting piece comprises two flange plates 10, edges of the two flange plates 10 are tightly connected through a plurality of locking pieces 13, the ends, far away from each other, of the two flange plates 10 are fixedly connected with a plug bush 11, sealing sleeves 4 are sleeved on the outer sides of the plug bushes 11, and one sealing sleeve 4 is tightly attached to the inner wall of the port of the communicating side pipe 5; by arranging the plug bush 11 and the sealing sleeve 4, the flange plate 10 can be installed on the port of the communication side pipe 5 and the port of the equipment pipeline in a sealing way, and the flange plate 10 can be installed on the port of the communication side pipe 5 and the port of the equipment pipeline in a communication way under the cooperation of the locking piece 13.
The end part of the flange plate 10 at the outer side of the sealing sleeve 4 is provided with a plurality of fixed clamping petals 12 at equal intervals along the circumferential direction, the plurality of fixed clamping petals 12 are jointly attached to the outer wall of the port of the communication side pipe 5, and the outer side is sleeved with the extrusion ring sleeve 3 by common threads; through setting up extrusion ring cover 3 to can push away a plurality of fixed clamping lamella 12, make a plurality of fixed clamping lamella 12 can closely clamp the laminating at intercommunication side pipe 5 and equipment pipeline port outer wall, with this stability that increases ring flange 10.
The rubber ring 19 is fixedly sleeved on the outer wall of the inner layer of the port of the communication middle pipe 1, the rubber ring 19 is in sealing fit with the inner wall of the communication side pipe 5, and the sealing performance between the communication middle pipe 1 and the communication side pipe 5 can be further improved through the arrangement of the rubber ring 19.
Working principle: firstly, two communication side pipes 5 are installed in a communicating way with two ports of an equipment pipeline through two port connecting pieces, then the position of a communication middle pipe 1 between the two communication side pipes 5 is adjusted, and then the communication side pipes 5 are tightly connected with the communication middle pipe 1 under the cooperation of a sealing locking piece and a rubber sleeve 8.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a chemical industry equipment pipeline processing structure, includes intercommunication well pipe (1), its characterized in that, cartridge mouth (17) have been seted up to intercommunication well pipe (1) both ends symmetry, and cartridge mouth (17) are cut apart intercommunication well pipe (1) and are inside and outside bilayer structure, cartridge mouth (17) inboard all is inserted and is had intercommunication side pipe (5), just intercommunication well pipe (1) outer port is provided with rubber sleeve (8), rubber sleeve (8) are parallel and level with intercommunication well pipe (1) inlayer outer port, the inside all slip cartridge of cartridge mouth (17) has intercommunication side pipe (5), be provided with a plurality of displacement limit structures between intercommunication side pipe (5) and the intercommunication well pipe (1), and two intercommunication side pipe (5) keep away from one end each other and all are provided with the port connection piece;
the connecting side pipe (5) is connected with the connecting middle pipe (1) through a sealing locking piece, the sealing locking piece comprises a clamp (2) arranged outside one end of the connecting middle pipe (1) and a rubber sleeve (8), the clamp (2) is locked and fixed through a fixing piece (22) between port connecting lugs, the rubber sleeve (8) is far away from one end of the clamp (2) and fixedly provided with a pushing ring pad (7), and two pushing pieces for compressing the rubber sleeve (8) are symmetrically arranged between the pushing ring pad (7) and the clamp (2).
2. The chemical equipment pipeline processing structure according to claim 1, wherein the displacement limiting structure comprises a sliding slot (14) formed in one end, close to the insertion port (17), of the communication side pipe (5), a limiting sliding column (9) is slidably arranged in the sliding slot (14), the limiting sliding column (9) is fixedly connected with the outer wall of the inner layer of the communication middle pipe (1), and the limiting sliding column (9) limits the displacement of the communication side pipe (5).
3. The chemical equipment pipeline processing structure according to claim 2, wherein anti-slip tooth pads (16) are arranged on the inner wall of the rubber sleeve (8) at the corresponding position of the clamp (2), and anti-slip patterns (15) are uniformly arranged on the outer wall of the communicating side pipe (5) at the corresponding position of the sliding slot hole (14).
4. The chemical equipment pipeline processing structure according to claim 1, wherein the port connecting piece comprises two flange plates (10), the edges of the two flange plates (10) are tightly connected through a plurality of locking pieces (13), the two flange plates (10) are fixedly connected with a plug bush (11) at the end far away from each other, sealing sleeves (4) are sleeved on the outer sides of the plug bush (11), and one sealing sleeve (4) is tightly attached to the port inner wall of the communicating side pipe (5).
5. The chemical equipment pipeline processing structure according to claim 4, wherein a plurality of fixing clamp petals (12) are arranged at the end part of a flange plate (10) at the outer side of the sealing sleeve (4) along the circumferential direction at equal intervals, the plurality of fixing clamp petals (12) are jointly attached to the outer wall of a port of the communicating side pipe (5), and the outer side of the communicating side pipe is sleeved with a squeezing ring sleeve (3) through common threads.
6. The chemical equipment pipeline treatment structure according to claim 1, wherein a rubber ring (19) is fixedly sleeved on the outer wall of the inner layer of the port of the communicating middle pipe (1), and the rubber ring (19) is in sealing fit with the inner wall of the communicating side pipe (5).
7. The chemical equipment pipeline processing structure according to claim 1, wherein the pushing piece comprises a threaded sleeve (6) rotatably mounted on the outer wall of the clamp (2), a threaded rod (20) is inserted into the threaded sleeve (6), a clamping head (23) and an end fixing connection knob (21) are sleeved at one end of the threaded rod (20) far away from the threaded sleeve (6) in a rotating mode, and a buckle (18) matched with the clamping head (23) is arranged at the edge position of the pushing ring pad (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410295700.1A CN117889277B (en) | 2024-03-15 | 2024-03-15 | Chemical equipment pipeline treatment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410295700.1A CN117889277B (en) | 2024-03-15 | 2024-03-15 | Chemical equipment pipeline treatment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117889277A true CN117889277A (en) | 2024-04-16 |
| CN117889277B CN117889277B (en) | 2024-06-04 |
Family
ID=90641478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410295700.1A Active CN117889277B (en) | 2024-03-15 | 2024-03-15 | Chemical equipment pipeline treatment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117889277B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200343963Y1 (en) * | 2003-11-29 | 2004-03-06 | 홍승표 | A coupler for the water supply pipe or drain pipe |
| JP2012047224A (en) * | 2010-08-25 | 2012-03-08 | Daikin Industries Ltd | Pipe joint, and hot water supply device, air conditioning device and floor heating device using the same |
| CN204420384U (en) * | 2014-12-30 | 2015-06-24 | 九峰海洋生态建设集团有限公司 | A kind of adapter sleeve for glass fiber reinforced steel push pipe with sand and relay well |
| CN108591646A (en) * | 2018-07-20 | 2018-09-28 | 中冶南方工程技术有限公司 | A kind of U-shaped double-walled Spigot-and-socket pipe joint and its installation method |
| CN212900229U (en) * | 2020-07-01 | 2021-04-06 | 北京安信润康科技有限公司 | Pipeline sealing structure |
| CN215928729U (en) * | 2021-10-30 | 2022-03-01 | 周鑫 | Pipeline connecting device for water supply and drainage engineering |
| CN216743264U (en) * | 2022-02-10 | 2022-06-14 | 辽宁龙斌建筑工程有限公司 | Connecting device for industrial water supply and drainage pipe |
| CN216923366U (en) * | 2022-03-11 | 2022-07-08 | 高特自控阀门有限公司 | Oil gas pipeline ball valve convenient to install |
| CN218326687U (en) * | 2022-09-16 | 2023-01-17 | 杨丽娜 | Stable connecting device for pipeline |
| CN218564617U (en) * | 2022-11-10 | 2023-03-03 | 浙江天仁风管有限公司 | Steel surface magnesium air pipe |
| CN219140105U (en) * | 2022-11-17 | 2023-06-06 | 镇江春环密封件集团有限公司 | Rubber sealing element for pipeline |
| CN116951191A (en) * | 2023-09-20 | 2023-10-27 | 山东道成泰和智能科技有限公司 | Building fire control pipeline connection structure |
| CN220102419U (en) * | 2023-04-20 | 2023-11-28 | 宁波新邦科技股份有限公司 | Automatic sealing quick connector |
-
2024
- 2024-03-15 CN CN202410295700.1A patent/CN117889277B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200343963Y1 (en) * | 2003-11-29 | 2004-03-06 | 홍승표 | A coupler for the water supply pipe or drain pipe |
| JP2012047224A (en) * | 2010-08-25 | 2012-03-08 | Daikin Industries Ltd | Pipe joint, and hot water supply device, air conditioning device and floor heating device using the same |
| CN204420384U (en) * | 2014-12-30 | 2015-06-24 | 九峰海洋生态建设集团有限公司 | A kind of adapter sleeve for glass fiber reinforced steel push pipe with sand and relay well |
| CN108591646A (en) * | 2018-07-20 | 2018-09-28 | 中冶南方工程技术有限公司 | A kind of U-shaped double-walled Spigot-and-socket pipe joint and its installation method |
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| CN215928729U (en) * | 2021-10-30 | 2022-03-01 | 周鑫 | Pipeline connecting device for water supply and drainage engineering |
| CN216743264U (en) * | 2022-02-10 | 2022-06-14 | 辽宁龙斌建筑工程有限公司 | Connecting device for industrial water supply and drainage pipe |
| CN216923366U (en) * | 2022-03-11 | 2022-07-08 | 高特自控阀门有限公司 | Oil gas pipeline ball valve convenient to install |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN117889277B (en) | 2024-06-04 |
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