CN116428436A - Modular combined pipeline device convenient to press and disassemble and adjustable and use method - Google Patents
Modular combined pipeline device convenient to press and disassemble and adjustable and use method Download PDFInfo
- Publication number
- CN116428436A CN116428436A CN202310323207.1A CN202310323207A CN116428436A CN 116428436 A CN116428436 A CN 116428436A CN 202310323207 A CN202310323207 A CN 202310323207A CN 116428436 A CN116428436 A CN 116428436A
- Authority
- CN
- China
- Prior art keywords
- butt joint
- pipe
- pipeline
- convenient
- combined
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 230000008859 change Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
- F16L27/127—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position
- F16L27/1274—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position by means of a swivel nut
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a modular combined pipeline device convenient to detach and adjustable and a use method thereof, and relates to the technical field of pipeline construction. The modularized combined pipeline device convenient to dismantle and adjust comprises a support frame and a pipeline, wherein the top of the support frame is connected with a combined butt joint pipe in a penetrating manner, two ends of the combined butt joint pipe are connected with telescopic pipes in an embedded manner, and an adjusting mechanism is arranged between the combined butt joint pipe and the telescopic pipes. This be convenient for according to tearing open adjustable modularization combination pipeline device and application method, in the in-process of work, at first adjustment mechanism is through the cooperation connection between combination butt joint pipe, flexible pipe, the swivel sleeve that set up, can adjust connecting device's length to can compensate the interval between two pipelines and make it carry out butt joint installation, make things convenient for the pipeline dismouting to change, then locking mechanism is through cooperation connection between lock nut, flange, the annular sealing pad that sets up, can be convenient for carry out dismouting fixedly.
Description
Technical Field
The invention relates to the technical field of pipeline construction, in particular to a modular combined pipeline device convenient to detach and adjustable and a use method.
Background
The water supply and drainage pipelines used at present basically comprise steel pipes, galvanized pipes, pure plastic pipes, cast iron pipes, cement pipes, composite pipes, lining rubber pipes, spray coating pipes and the like. The galvanized pipe and the cement pipe are basically not allowed to be used at present, the steel pipe is basically only used in special occasions such as high temperature and high pressure due to cost, corrosion resistance and the like, the cost of the cast iron pipe used for drainage is low, the leakage rate is high, the environment pollution is reduced as high as that of the cement pipe, and the lining rubber and the spraying pipe are rarely seen in the last ten years due to the process and cost reasons.
The invention discloses a novel road drainage combined pipeline with a publication number of CN212960299U, which comprises a first pipeline and a second pipeline, wherein the two ends of the first pipeline are respectively provided with a first joint, the two ends of the second pipeline are respectively provided with a second joint, the first joint and the second joint are the same in size, a connecting pipe is arranged between the first joint and the second joint, the connecting pipe comprises a first sleeve and a second sleeve, the second sleeve is positioned in the first sleeve, the inner diameter of the second sleeve is larger than the outer diameters of the first sleeve and the second sleeve, a sealing ring is arranged on the inner wall of the second sleeve, a sealing groove is formed in the sealing ring, a plurality of buffer blocks are arranged on the inner wall of the first sleeve, and four air bags are arranged on the outer wall of the second sleeve; the invention has novel design, can conveniently connect two pipelines, is convenient to operate and good in sealing performance, and is provided with the buffer protection structure, so that the connection part between the pipelines cannot be deformed under the action of external force, the service life of the pipelines is prolonged, and the invention is worthy of popularization;
the existing pipeline has certain defects when being in butt joint, is particularly used for replacing connecting pipelines on a plurality of pipeline connecting lines, wherein the distance between every two pipelines is fixed, the existing butt joint device does not have length compensation, so that the pipelines are inconvenient to replace and butt joint, and meanwhile, the pipelines are difficult to disassemble, assemble and replace.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a modular combined pipeline device convenient to detach and adjust and a use method thereof, which solve the problems that the existing pipeline is inconvenient to replace and dock and is difficult to disassemble and replace due to the fact that the distance between every two pipelines is fixed and the existing butt joint device does not have length compensation.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a modular combination pipeline device convenient to press and tear adjustable, includes support frame and pipeline, the top through connection of support frame has the combination to take over, the both ends of combination to take over are all embedded to be connected with flexible pipe, be provided with adjustment mechanism between combination to take over and the flexible pipe, adjustment mechanism is provided with rotatory cover, rotatory cover rotates to cup joint between combination to take over and flexible pipe, be provided with locking mechanism between pipeline and the flexible pipe, the pipeline passes through locking mechanism and flexible pipe fixed mounting, locking mechanism is provided with lock nut;
one end of the inner part of the telescopic tube embedded combination butt joint tube is fixedly connected with a connecting seat, the inner wall of the combination butt joint tube is fixedly connected with a slide bar frame, the slide bar frames are two symmetrical groups, and the connecting seat is in sliding connection with the slide bar frame;
the outer surface of the connecting seat is sleeved with a sealing ring, and the sealing ring is attached to the inner wall of the combined butt joint pipe;
the two ends of the combined butt joint pipe are fixedly sleeved with bearings, the rotary sleeve is rotationally connected with the combined butt joint pipe through the bearings, and the rotary sleeve is in threaded connection with the telescopic pipe;
the locking nut is in threaded connection with the telescopic pipe, an annular plate is rotationally connected to the outer surface of the locking nut, a first slot is formed in the outer surface of the annular plate, locking rods are rotationally connected to the inner wall of the first slot through a shaft rod, and the locking rods are four in annular distribution;
the two ends of the pipeline, which are in butt joint with the telescopic pipe, are fixedly connected with flanges, second grooves are formed in the outer surfaces of the two flanges, the number of the second grooves is four in annular distribution, and the locking rod is embedded between the two flanges through the second grooves;
an annular sealing gasket is connected between the two flanges in a coextrusion mode, and the two flanges are in sealing butt joint through the annular sealing gasket.
The application method of the modular combined pipeline device convenient to detach comprises the steps of:
when the device is used, the support frame is firstly placed between two pipelines for positioning and fixing, then the rotary sleeve is rotated, the telescopic pipe can be driven to extend by the rotary sleeve, one end of the telescopic pipe can be adjusted to the position where the telescopic pipe is in butt joint with the pipelines, and finally the telescopic pipe and the pipelines are in butt joint installation through the locking structure, so that the telescopic pipe and the pipelines are convenient to disassemble and fix, the structure is reasonable, the distance between the two pipelines can be compensated, the butt joint assembly between the pipelines is convenient, and the disassembly and the replacement are convenient;
through rotating the swivel sleeve, the swivel sleeve passes through the bearing and makes up and be connected in rotation between the butt joint pipe, threaded connection between swivel sleeve and the flexible pipe, simultaneously, flexible pipe one end fixed connecting seat can slide on two slide bar frames to can make the swivel sleeve drive flexible pipe and remove when rotatory, then can adjust the length that flexible pipe extends, be convenient for compensate the clearance of butt joint between two pipelines, wherein, the connecting seat that sets up can laminate and seal at the combination butt joint pipe inner wall.
(III) beneficial effects
The invention provides a modular combined pipeline device convenient to detach and adjustable and a use method. The beneficial effects are as follows:
this be convenient for according to tearing open adjustable modularization combination pipeline device and application method, in the in-process of work, at first adjustment mechanism is through the cooperation connection between combination butt joint pipe, flexible pipe, the swivel sleeve that set up, can adjust connecting device's length to can compensate the interval between two pipelines and make it carry out butt joint installation, make things convenient for the pipeline dismouting to change, then locking mechanism is through cooperation connection between lock nut, flange, the annular sealing pad that sets up, can be convenient for carry out dismouting fixedly.
Drawings
Fig. 1: the invention relates to a modular combined pipeline device convenient to disassemble and adjust and a structural schematic diagram of a using method;
fig. 2: the invention relates to a mounting structure schematic diagram of a telescopic pipe and a pipeline;
fig. 3: the invention is shown in front view in fig. 2;
fig. 4: the invention discloses a connection schematic diagram of a combined butt joint pipe and a telescopic pipe.
The reference numerals are as follows:
1. a support frame;
2. combining the butt joint pipes; 201. A sliding rod frame; 202. A bearing;
3. a telescopic tube; 301. A connecting seat; 3011. A seal ring;
4. a pipe;
5. a rotating sleeve;
6. a lock nut; 601. an annular plate; 602. a first slot; 603. a locking lever;
7. a flange; 701. a second slot;
8. an annular gasket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a modular combination pipeline device convenient to press and tear adjustable, including support frame 1 and pipeline 4, the top through connection of support frame 1 has combination butt joint pipe 2, the both ends of combination butt joint pipe 2 are all embedded to be connected with flexible pipe 3, be provided with adjustment mechanism between combination butt joint pipe 2 and flexible pipe 3, adjustment mechanism is provided with swivel sleeve 5, swivel sleeve 5 rotates and cup joints between combination butt joint pipe 2 and flexible pipe 3, be provided with locking mechanism between pipeline 4 and flexible pipe 3, pipeline 4 passes through locking mechanism and flexible pipe 3 fixed mounting, locking mechanism is provided with lock nut 6;
one end of the telescopic pipe 3 embedded into the combined butt joint pipe 2 is fixedly connected with a connecting seat 301, the inner wall of the combined butt joint pipe 2 is fixedly connected with a slide bar frame 201, the slide bar frames 201 are two symmetrical groups, and the connecting seat 301 is in sliding connection with the slide bar frame 201;
the outer surface of the connecting seat 301 is sleeved with a sealing ring 3011, and the sealing ring 3011 is attached to the inner wall of the combined butt joint pipe 2;
the locking nut 6 is in threaded connection with the telescopic pipe 3, the outer surface of the locking nut 6 is rotationally connected with an annular plate 601, a first groove 602 is formed in the outer surface of the annular plate 601, locking rods 603 are rotationally connected to the inner wall of the first groove 602 through a shaft rod, and the locking rods 603 are four in annular distribution;
the two ends of the pipeline 4, which are in butt joint with the telescopic pipe 3, are fixedly connected with flanges 7, second grooves 701 are formed in the outer surfaces of the two flanges 7, the number of the second grooves 701 is four in an annular distribution, and locking rods 603 are embedded between the two flanges 7 through the second grooves 701;
an annular sealing gasket 8 is connected between the two flanges 7 in a coextrusion mode, and the two flanges 7 are in sealing butt joint through the annular sealing gasket 8.
The application method of the modular combined pipeline device convenient to press and disassemble comprises the following specific operations of the modular combined pipeline device convenient to press and disassemble and adjustable:
when the device is used, firstly, the support frame 1 is placed between two pipelines 4 for positioning and fixing, then the rotary sleeve 5 is rotated, the rotary sleeve 5 can drive the telescopic pipe 3 to extend, one end of the telescopic pipe 3 can be adjusted to a position butted with the pipelines 4, and finally, the telescopic pipe 3 and the pipelines 4 are butted and installed through the locking structure, so that the telescopic pipe 3 and the pipelines 4 are convenient to disassemble, assemble and fix, the structure is reasonable, the distance between the two pipelines 4 can be compensated, the butt joint assembly between the pipelines 4 is convenient, and the disassembly, assembly and the replacement are convenient;
through rotating swivel sleeve 5, swivel sleeve 5 passes through bearing 202 and makes up and is connected through rotating between the butt joint pipe 2, threaded connection between swivel sleeve 5 and the flexible pipe 3, simultaneously, flexible pipe 3 one end fixed connecting seat 301 can slide on two slide bar frames 201 to can make swivel sleeve 5 drive flexible pipe 3 when rotatory and remove, then can adjust the length that flexible pipe 3 extends, be convenient for compensate the clearance of butt joint between two pipelines 4, wherein, the connecting seat 301 of setting can laminate and seal at the combination butt joint pipe 2 inner wall.
In summary, this be convenient for according to tearing open adjustable modularization combination pipeline device and application method, at the in-process of work, at first adjustment mechanism is through the combination butt joint pipe that sets up, flexible pipe, rotating sleeve between the cooperation be connected, can adjust connecting device's length to can compensate the interval between two pipelines and make it dock the installation, make things convenient for the pipeline dismouting to change, then locking mechanism is through cooperation connection between lock nut, flange, the annular sealing pad that sets up, can be convenient for carry out the dismouting fixedly.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a modular combination pipeline device convenient to according to tearing open adjustable which characterized in that: the device comprises a support frame (1) and a pipeline (4), wherein the top of the support frame (1) is connected with a combined butt joint pipe (2) in a penetrating manner, two ends of the combined butt joint pipe (2) are respectively connected with a telescopic pipe (3) in an embedded manner, an adjusting mechanism is arranged between the combined butt joint pipe (2) and the telescopic pipe (3), the adjusting mechanism is provided with a rotary sleeve (5), the rotary sleeve (5) is rotatably sleeved between the combined butt joint pipe (2) and the telescopic pipe (3), a locking mechanism is arranged between the pipeline (4) and the telescopic pipe (3), the pipeline (4) is fixedly installed with the telescopic pipe (3) through the locking mechanism, and the locking mechanism is provided with a locking nut (6);
one end of the telescopic pipe (3) embedded into the combined butt joint pipe (2) is fixedly connected with a connecting seat (301), the inner wall of the combined butt joint pipe (2) is fixedly connected with a slide bar frame (201), the slide bar frames (201) are two symmetrical groups, and the connecting seat (301) is in sliding connection with the slide bar frames (201);
the outer surface of the connecting seat (301) is sleeved with a sealing ring (3011), and the sealing ring (3011) is attached to the inner wall of the combined butt joint pipe (2);
the two ends of the combined butt joint pipe (2) are fixedly sleeved with bearings (202), the rotary sleeve (5) is rotationally connected with the combined butt joint pipe (2) through the bearings (202), and the rotary sleeve (5) is in threaded connection with the telescopic pipe (3);
the locking nut (6) is in threaded connection with the telescopic pipe (3), an annular plate (601) is rotationally connected to the outer surface of the locking nut (6), a first groove (602) is formed in the outer surface of the annular plate (601), locking rods (603) are rotationally connected to the inner wall of the first groove (602) through a shaft rod, and the locking rods (603) are four in annular distribution;
the two ends of the pipeline (4) and the telescopic pipe (3) which are in butt joint are fixedly connected with flanges (7), second grooves (701) are formed in the outer surfaces of the two flanges (7), the number of the second grooves (701) is four in annular distribution, and the locking rod (603) is embedded between the two flanges (7) through the second grooves (701);
an annular sealing gasket (8) is connected between the two flanges (7) in a coextrusion mode, and the two flanges (7) are in sealing butt joint through the annular sealing gasket (8).
2. The utility model provides a method for using convenient according to adjustable modularization combination pipeline device of tearing open which characterized in that: comprising the modular combination piping installation of claim 1, which is easy to be disassembled and adjusted, in particular by the following operations:
when the device is used, the support frame (1) is placed between two pipelines (4) for positioning and fixing, then the telescopic pipe (3) can be driven to extend by the rotary sleeve (5) through rotating the rotary sleeve (5), one end of the telescopic pipe (3) can be adjusted to the position where the telescopic pipe is in butt joint with the pipelines (4), and finally the telescopic pipe (3) and the pipelines (4) are in butt joint installation through the locking structure, so that the telescopic pipe (3) and the pipelines (4) are convenient to disassemble, assemble and fix, the structure is reasonable, the distance between the two pipelines (4) can be compensated, the butt joint assembly between the pipelines (4) is convenient, and the disassembly, assembly and replacement are convenient;
through rotating swivel sleeve (5), swivel sleeve (5) are connected through bearing (202) and combination butt joint between pipe (2), threaded connection between swivel sleeve (5) and flexible pipe (3), simultaneously, connecting seat (301) that flexible pipe (3) one end is fixed can slide on two slide bar frames (201), thereby drive flexible pipe (3) and remove when can making swivel sleeve (5) rotatory, then can adjust the length that flexible pipe (3) extend, the clearance of butt joint between two pipelines (4) of being convenient for, wherein, connecting seat (301) that set up can laminate and seal at the inner wall of combination butt joint pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310323207.1A CN116428436A (en) | 2023-03-30 | 2023-03-30 | Modular combined pipeline device convenient to press and disassemble and adjustable and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310323207.1A CN116428436A (en) | 2023-03-30 | 2023-03-30 | Modular combined pipeline device convenient to press and disassemble and adjustable and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116428436A true CN116428436A (en) | 2023-07-14 |
Family
ID=87093626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310323207.1A Pending CN116428436A (en) | 2023-03-30 | 2023-03-30 | Modular combined pipeline device convenient to press and disassemble and adjustable and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116428436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117287582A (en) * | 2023-11-24 | 2023-12-26 | 山东元塑管业有限公司 | Plastic pipeline connecting device |
-
2023
- 2023-03-30 CN CN202310323207.1A patent/CN116428436A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117287582A (en) * | 2023-11-24 | 2023-12-26 | 山东元塑管业有限公司 | Plastic pipeline connecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116428436A (en) | Modular combined pipeline device convenient to press and disassemble and adjustable and use method | |
| CN2918947Y (en) | Internal pressure type rubber self-sealing flange connecting pipe gimbal | |
| CN208303120U (en) | A kind of novel coating tool | |
| CN201157859Y (en) | Electric flanger for thin wall stainless steel pipe end | |
| CN218972060U (en) | Pipeline connection structure for municipal water supply and drainage | |
| CN216344016U (en) | Detachable valve pipe fitting mounting structure | |
| CN2723804Y (en) | Low temperature swelling magnetic seal rotary joint | |
| CN213629228U (en) | Pipeline connecting structure for water supply and drainage of building engineering | |
| CN210759319U (en) | Rubber lining pipe rubber expanding device | |
| CN113669526A (en) | Connection construction method for urban high-water-level large-diameter stainless steel pipeline | |
| CN216335042U (en) | Ceramic composite reducing pipe | |
| CN219588723U (en) | Water conservancy pipeline for water conservancy engineering | |
| CN219102189U (en) | Ball valve | |
| CN216112641U (en) | Elbow pipeline installation connecting device | |
| CN221525895U (en) | PE drain pipe mounting structure | |
| CN206001171U (en) | The pressure duct multiple-pass joint firmly installing | |
| CN220016413U (en) | Hydraulic oil pipe joint convenient to installation | |
| CN212745330U (en) | Water pipe antidetonation support | |
| CN215060214U (en) | Connecting device convenient to dismouting for pipeline installation | |
| CN215543439U (en) | Quick dredging device for urban drainage pipeline | |
| CN219623448U (en) | Sewage pipeline convenient to connect | |
| CN218671001U (en) | Concrete pumping pipeline leak protection sealing connecting piece | |
| CN218294835U (en) | Glass fiber reinforced plastic composite pipe convenient to connect | |
| CN221348413U (en) | Long-life pressure pipeline | |
| CN215635408U (en) | Pneumatic fixing device for pipeline installation |
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 |