CN116428439B - Pipeline split-flow connecting device - Google Patents

Pipeline split-flow connecting device Download PDF

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Publication number
CN116428439B
CN116428439B CN202310701757.2A CN202310701757A CN116428439B CN 116428439 B CN116428439 B CN 116428439B CN 202310701757 A CN202310701757 A CN 202310701757A CN 116428439 B CN116428439 B CN 116428439B
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China
Prior art keywords
pipe
arc
pipeline
fixed
plate
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Active
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CN202310701757.2A
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Chinese (zh)
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CN116428439A (en
Inventor
孙庆明
巴頔
钟林
王成龙
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Qiqihar University
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Qiqihar University
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Priority to CN202310701757.2A priority Critical patent/CN116428439B/en
Publication of CN116428439A publication Critical patent/CN116428439A/en
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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
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/02Branch units, e.g. made in one piece, welded, riveted
    • F16L41/021T- or cross-pieces
    • 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
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/08Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The application belongs to the technical field of pipeline diversion, and discloses a pipeline diversion connecting device, which can solve the problem that a pipeline is required to be diverted when water is used, and the pipeline is required to be connected with a diversion pipeline, so that water supply is required to be stopped at the moment, living water of corresponding households can be influenced, and in addition, residual water in the pipeline can run out when the pipeline is connected, so that water source waste is caused. The technical scheme of the application comprises two semicircular arc-shaped arc plates, wherein each arc plate comprises an upper arc plate and a lower arc plate, when the arc plate is installed, the application does not need to carry out cut-off operation, and secondly, when the arc plate is used, the pipeline drilling operation is realized under the condition of relative sealing, so that the leakage of a water source is reduced.

Description

Pipeline split-flow connecting device
Technical Field
The application belongs to the technical field of pipeline diversion, and particularly relates to a pipeline diversion connecting device.
Background
The water pipes are water supply pipelines, the modern decoration water pipes are all constructed by embedding walls, the water pipes are classified into three types, and the first type is metal pipes, such as hot-dip cast iron pipes, copper pipes, stainless steel pipes and the like of inner enamel plastics; the second type is plastic composite metal pipes, such as steel-plastic composite pipes, aluminum-plastic composite pipes and the like; the third type is plastic tubing such as PB tubing, PP-R tubing, etc.
When domestic water, the condition that needs to divide the pipeline can appear, need be connected pipeline and reposition of redundant personnel pipeline, and current reposition of redundant personnel pipeline that uses is the tee bend pipeline commonly used, needs cut the pipeline, inserts the tee bend pipeline, before cutting the pipeline, needs to stop water, and then can influence the domestic water that corresponds the resident, and the remaining water in the pipeline can run out when carrying out the pipe connection in addition, causes the water source extravagant.
Disclosure of Invention
In order to solve the above-mentioned shortcomings in the prior art, an object of the present application is to provide a pipe shunt connection device, which does not need to perform a flow breaking operation when being installed, and secondly, when being used, performs a drilling operation on a pipe under the condition of being relatively sealed, so as to reduce leakage of a water source.
The technical scheme adopted for solving the technical problems of the pipeline split-flow connecting device is as follows:
the utility model provides a pipeline reposition of redundant personnel connecting device, including two semicircle arc boards, the arc board includes arc board and lower arc board, the both sides of arc board are provided with semicircle arc fixed plate respectively, be provided with rotation connection structure between one side that the fixed plate is close to the arc board and the arc board, rotation connection structure is seal structure, be provided with fixed connection structure between two fixed plates that are located same one side, fixed connection structure can fix two fixed plates that are located same one side, the concave surface of fixed plate is provided with sealing device, sealing device can adjust according to the pipeline of different diameters, the top surface of arc board is provided with first pipe, first pipe lower extreme runs through arc board and fixed connection, the lower extreme of first pipe rotates the lower extreme of connecting the second pipe, the upper end fixed mounting of second pipe has normally closed sealing joint, be provided with the intubate in the first pipe, the lower part of intubate is the structure of inversion, be provided with the mobile device that drives the intubate and reciprocate in the second pipe, the bottom surface of lower arc board can be adjusted according to the pipeline of different diameters, the upper end of third pipe runs through the lower extreme and passes through the lower extreme of second pipe, the third pipe can be in the drilling device when the drilling device is in the condition of dismantling.
Further, the rotation connection structure constitute by arc strip and arc card shell, arc strip fixed mounting is in the arc board periphery, in the arc strip can insert the arc card shell, arc card shell fixed mounting is on the fixed plate, the arc card shell sets up in the one side that the fixed plate extrados is close to the arc board, the inner wall of arc card shell is provided with sealing gasket.
Further, the fixed connection structure include the connecting plate, connecting plate fixed mounting is on the fixed plate, the connecting plate sets up in the front and back portion of the extrados of fixed plate, the connecting plate that is located on the fixed plate of same one side is connected through the bolt and nut structure.
Further, the sealing device consists of an air bag and a valve core, wherein the air bag is fixedly arranged on the inner cambered surface of the fixed plate, the valve core is fixedly arranged in the middle of the fixed plate, and the valve core is communicated with the air bag.
Further, the fixing plate is provided with a positioning bolt, and the positioning bolt is arranged on one side, far away from the arc plate, of the fixing plate.
Further, the mobile device include the nut, nut periphery and first intraductal wall upper portion fixed connection and sealed, the intubate passes first pipe, the intubate is provided with the external screw thread and cooperates with the nut screw thread, is provided with limit structure between intubate and the second pipe.
Further, limit structure constitute by vertical spacing groove and stopper, the spacing groove is seted up in the inner wall of second pipe, stopper fixed mounting is in the periphery upper portion of intubate, stopper part is located the spacing inslot.
Further, drilling equipment include the screw cap, screw cap and the lower extreme screw thread cooperation of third pipe, set up the through-hole on the screw cap and rotate and install the disc, be provided with a loose axle on the disc, the loose axle runs through the disc and is provided with the sealing ring, the upper end of loose axle is provided with the drill bit that can dismantle.
Compared with the prior art, the application has the beneficial effects that:
1. according to the pipeline split-flow connecting device, the arc plate is buckled at the pipeline to be connected, the fixed plate and the arc plate are connected through the rotary connecting device, the fixed plates positioned on the same side are connected through the fixed connecting structure, the gap between the fixed plate and the pipeline is sealed through the device, the pipeline is drilled through the drilling device, the arc plate is rotated, the insertion pipe can be aligned with the drilling hole on the pipeline, the insertion pipe is inserted into the drilling hole on the pipeline through the moving device, the drilling device is further removed, the pipeline is connected with the corresponding pipeline through the normally closed sealing joint, in addition, other pipelines can be connected with the third pipeline, the insertion pipe is pulled out from the drilling hole through the moving device, and the pipeline can be communicated with the third pipeline.
2. According to the pipeline split-flow connecting device, when the fixing plate is installed, the arc-shaped clamping shell is aligned with the arc-shaped strip, so that the arc-shaped strip can be inserted into the arc-shaped clamping shell, the arc-shaped strip can rotate in the arc-shaped clamping shell after the fixing plate is fixed through the fixed connecting structure, the structure of the rotating connecting structure is simple, production and manufacturing are convenient, the arc-shaped strip and the fixing plate can be detached and installed, and replacement and assembly are convenient.
3. The pipeline split-flow connecting device has the advantages of simple structure and convenience in installation and connection.
4. According to the pipeline split-flow connecting device, the existing inflator is connected with the valve core, so that the air bag can be inflated, and the air bag can be in contact with the periphery of a pipeline when inflated, so that sealing treatment is achieved.
5. According to the pipeline split-flow connecting device, before the air bag is inflated, the pipeline split-flow connecting device can be positioned and fixed by rotating the positioning bolt, and the fixing plate is concentric with the pipeline.
6. According to the pipeline split-flow connecting device, the second pipe is rotated, the second pipe can drive the insertion pipe to rotate, so that the insertion pipe can be inserted into the drilling hole on the pipeline, the insertion pipe is communicated with the pipeline, the threaded structure between the nut and the insertion pipe can play a sealing role, water is prevented from entering the third pipe, and the moving device is simple in structure and convenient to use.
7. According to the pipeline split-flow connecting device, the second pipe is rotated, and the second pipe can drive the insertion pipe to rotate through the limiting groove and the limiting block.
8. According to the pipeline split-flow connecting device, the movable shaft is connected with the existing electric hand drill, the movable shaft and the drill bit can be driven to rotate, the electric hand drill is pushed to drive the movable shaft to move, and then the drill bit can be driven to contact with a pipeline, so that holes are punched, the sealing ring can ensure the tightness between the movable shaft and the through holes, and water outflow is avoided.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present application;
fig. 2 is an enlarged view of part of i of fig. 1.
In the figure: 1. an arc plate; 2. a fixing plate; 3. a first tube; 4. a second tube; 5. normally closed sealing joint; 6. a cannula; 7. a third tube; 8. an arc-shaped strip; 9. arc-shaped clamping shells; 10. a connecting plate; 11. an air bag; 12. a valve core; 13. positioning bolts; 14. a nut; 15. a limit groove; 16. a limiting block; 17. a screw cap; 18. a movable shaft; 19. a drill bit.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 and 2, a pipeline split-flow connecting device, including two semicircle arc plates 1, arc plate 1 includes arc plate and lower arc plate, the both sides of arc plate are provided with semicircle arc fixed plate 2 respectively, be provided with rotation connection structure between one side that fixed plate 2 is close to arc plate 1 and the arc plate 1, rotation connection structure is seal structure, be provided with fixed connection structure between two fixed plates 2 that are located same one side, fixed connection structure can connect fixedly to two fixed plates 2 that are located same one side, the concave surface of fixed plate 2 is provided with sealing device, sealing device can adjust according to the pipeline of different diameters, the top surface of arc plate is provided with first pipe 3, first pipe 3 lower extreme runs through arc plate and fixed connection, the upper end rotation connection second pipe 4's of first pipe 3 lower extreme, concrete rotation connection mode is for connecting through sealing bearing, the upper end fixed mounting of second pipe 4 has normally closed sealing joint 5, be provided with intubate 6 in the first pipe 3, the lower part of intubate 6 is the structure of inversion, the first pipe 3 and the third pipe 7 when the third pipe 7 is in the fixed device that the third pipe 7 is in the third hole drilling device that moves down, the third pipe 7 is in the third hole drilling device. The arc plate 1 is buckled at a pipeline to be connected, the fixed plate 2 and the arc plate 1 are connected through the rotary connecting device, the fixed plate 2 positioned on the same side is connected through the fixed connecting structure, the gap between the fixed plate 2 and the pipeline is sealed through the sealing device, the pipeline is drilled through the drilling device, the inserted pipe 6 and the drilling hole on the pipeline can be aligned through the rotary arc plate 1, the inserted pipe 6 is inserted into the drilling hole on the pipeline through the moving device, the drilling device is further removed, the inserted pipe 6 is connected with the corresponding pipeline through the normally closed sealing joint 5, in addition, other pipelines can be connected with the third pipe 7, the inserted pipe 6 is extracted from the drilling hole through the moving device, the pipeline can be communicated with the third pipe 7.
As shown in fig. 1 and 2, it is further preferable that the rotary connection structure is composed of an arc-shaped strip 8 and an arc-shaped clamping shell 9, the arc-shaped strip 8 is fixedly mounted on the periphery of the arc plate 1, the arc-shaped strip 8 can be inserted into the arc-shaped clamping shell 9, the arc-shaped clamping shell 9 is fixedly mounted on the fixed plate 2, the arc-shaped clamping shell 9 is arranged on one side, close to the arc plate 1, of the outer arc surface of the fixed plate 2, and a sealing gasket is arranged on the inner wall of the arc-shaped clamping shell 9. When installing fixed plate 2, with arc clamping shell 9 and arc strip 8 alignment for arc strip 8 can insert in the arc clamping shell 9, fix the back with fixed plate 2 through fixed connection structure, rotate arc plate 1, arc strip 8 can be at the 9 internal rotations of arc clamping shell, and this rotation connection structure's simple structure is convenient for produce and makes, and arc plate 1 and fixed plate 2 can carry out the split installation, are convenient for change the equipment.
As shown in fig. 1, further preferably, the fixing connection structure includes a connection plate 10, the connection plate 10 is fixedly mounted on the fixing plate 2, the connection plate 10 is disposed at the front and rear parts of the outer arc surface of the fixing plate 2, the connection plates 10 on the fixing plate 2 on the same side are connected through a bolt-nut structure, and the bolt-nut structure is an existing common structure. The fixed connection structure has the advantages of simple structure and convenient installation and connection.
As shown in fig. 1, it is further preferable that the sealing device is composed of an air bag 11 and a valve core 12, the air bag 11 is fixedly installed on the intrados of the fixed plate 2, the valve core 12 is fixedly installed on the middle part of the fixed plate 2, and the valve core 12 is communicated with the air bag 11. The conventional inflator is connected to the valve core 12, and the airbag 11 can be inflated to contact the outer periphery of the pipe, thereby realizing the sealing process.
As shown in fig. 1, it is further preferable that the fixing plate 2 is provided with a positioning bolt 13, and the positioning bolt 13 is disposed on a side of the fixing plate 2 away from the arc plate 1. Before the air bag 11 is inflated, the application can be positioned and fixed by rotating the positioning bolt 13, and the fixing plate 2 is concentric with the pipeline.
As shown in fig. 1 and 2, it is further preferable that the moving device includes a nut 14, the outer periphery of the nut 14 is fixedly connected with the upper portion of the inner wall of the first tube 3 and sealed, the insertion tube 6 passes through the first tube 3, the insertion tube 6 is provided with external threads and is in threaded fit with the nut 14, and a limit structure is provided between the insertion tube 6 and the second tube 4. The second pipe 4 is rotated, and the second pipe 4 can drive the intubate 6 and rotate, and then can make intubate 6 insert in the drilling on the pipeline, and then with intubate 6 and pipeline intercommunication, the helicitic texture between nut 14 and the intubate 6 can play sealed effect, avoids water to get into the third pipe 7 and runs out, and this mobile device's simple structure, convenient to use.
As shown in fig. 1 and 2, it is further preferable that the limiting structure comprises a vertical limiting groove 15 and a limiting block 16, the limiting groove 15 is formed in the inner wall of the second tube 4, the limiting block 16 is fixedly mounted on the upper peripheral portion of the cannula 6, and a part of the limiting block 16 is located in the limiting groove 15. The second pipe 4 is rotated, the second pipe 4 can drive the insertion pipe 6 to rotate through the limiting groove 15 and the limiting block 16, and the limiting structure is simple in structure and cannot influence up-and-down movement of the insertion pipe 6.
As shown in fig. 1, further preferred, the drilling device includes a screw cap 17, the screw cap 17 is in threaded engagement with the lower end of the third pipe 7, an external thread is provided at the lower part of the outer periphery of the third pipe 7, the external thread is convenient for the third pipe 7 to be connected with the shunt pipe, when not in use, the third pipe 7 can be provided with a cover, the appearance is ensured, a through hole is formed in the screw cap 17 and a disc is rotatably mounted, a movable shaft 18 is arranged on the disc, the movable shaft 18 is in a hexagonal structure and is convenient to be connected and fixed with the existing electric hand drill, the movable shaft 18 penetrates the disc and is provided with a sealing ring, a drill bit 19 capable of being detached is arranged at the upper end of the movable shaft 18, and the drill bit 19 is connected with the movable shaft 18 through the existing plug-in structure and is fixed through a double-bolt nut. The movable shaft 18 is connected with an existing electric hand drill, the movable shaft 18 and the drill bit 19 can be driven to rotate, the electric hand drill is pushed to drive the movable shaft 18 to move, the drill bit 19 can be driven to contact with a pipeline, so that punching is conducted, sealing performance between the movable shaft 18 and a through hole can be guaranteed by the sealing ring, and water outflow is avoided.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Other technical features besides those described in the specification are known to those skilled in the art, and are not described herein in detail to highlight the innovative features of the present application.

Claims (5)

1. The utility model provides a pipeline reposition of redundant personnel connecting device, including two semicircle arc-shaped arc boards (1), and a serial communication port, arc board (1) are including last arc board and lower arc board, the both sides of arc board are provided with semicircle arc-shaped fixed plate (2) respectively, be provided with between one side that fixed plate (2) are close to arc board (1) and rotate connection structure, it is seal structure to rotate connection structure, be provided with fixed connection structure between two fixed plates (2) that are located same one side, fixed connection structure can fix two fixed plates (2) that are located same one side, the concave surface of fixed plate (2) is provided with seal structure, seal structure can be adjusted according to the pipeline of different diameters, the top surface of going up the arc board is provided with first pipe (3), the lower extreme of first pipe (3) runs through last arc board and fixed connection, the lower extreme of first pipe (3) rotates the lower extreme of connecting second pipe (4), the upper end fixed mounting of second pipe (4) has normally closed seal joint (5), be provided with intubate (6) in first pipe (3), be provided with intubate (6) lower part (6) and be the third pipe (7) of the upper end of moving down, the device of the first pipe (7) is fixed device of the third pipe (7) of moving down, the upper end of the intubate (7) is fixed device of the third pipe (7), the third pipe (7) is in a sealed state when the drilling device works;
the rotary connecting structure consists of an arc-shaped strip (8) and an arc-shaped clamping shell (9), wherein the arc-shaped strip (8) is fixedly arranged on the periphery of the arc plate (1), the arc-shaped strip (8) can be inserted into the arc-shaped clamping shell (9), the arc-shaped clamping shell (9) is fixedly arranged on the fixed plate (2), and a sealing gasket is arranged on the inner wall of the arc-shaped clamping shell (9);
the moving device comprises a nut (14), the nut (14) is fixedly arranged in the first pipe (3), the insertion pipe (6) penetrates through the first pipe (3) and is in threaded fit, and a limiting structure is arranged between the insertion pipe (6) and the second pipe (4);
the limiting structure comprises a vertical limiting groove (15) and a limiting block (16), wherein the limiting groove (15) is formed in the inner wall of the second pipe (4), the limiting block (16) is fixedly arranged on the upper peripheral portion of the insertion pipe (6), and the limiting block (16) is partially positioned in the limiting groove (15).
2. The device for diverting and connecting a pipeline according to claim 1, wherein the fixed connection structure mainly comprises a connecting plate (10), the connecting plate (10) is fixedly installed on the fixed plate (2), and the connecting plates (10) on the fixed plate (2) on the same side are connected through a bolt and nut structure.
3. The device for connecting a pipeline split flow according to claim 1, wherein the sealing structure comprises an air bag (11) and a valve core (12), the air bag (11) is fixedly arranged on an intrados surface of the fixed plate (2), the valve core (12) is fixedly arranged on the fixed plate (2), and the valve core (12) is communicated with the air bag (11).
4. A pipe split connection according to claim 3, characterized in that the fixing plate (2) is provided with a positioning bolt (13).
5. A pipe shunt connection device according to claim 1, characterized in that said drilling means comprises a screw cap (17), said screw cap (17) being in threaded engagement with the lower end of the third pipe (7), said screw cap (17) being provided with a through hole and being rotatably fitted with a disc, said disc being provided with a movable shaft (18), said movable shaft (18) extending through said disc and being provided with a sealing ring, the upper end of said movable shaft (18) being provided with a detachable drill bit (19).
CN202310701757.2A 2023-06-14 2023-06-14 Pipeline split-flow connecting device Active CN116428439B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310701757.2A CN116428439B (en) 2023-06-14 2023-06-14 Pipeline split-flow connecting device

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Application Number Priority Date Filing Date Title
CN202310701757.2A CN116428439B (en) 2023-06-14 2023-06-14 Pipeline split-flow connecting device

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CN116428439A CN116428439A (en) 2023-07-14
CN116428439B true CN116428439B (en) 2023-09-08

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515177A (en) * 1982-04-29 1985-05-07 George Fischer Limited Molded connection piece
US4900180A (en) * 1987-06-29 1990-02-13 Usui Kokusai Sangyo Kaisha Ltd. Structure for connecting branch pipe in high-pressure fuel manifold
JPH084972A (en) * 1994-06-15 1996-01-12 Usui Internatl Ind Co Ltd Connecting structure for branch joint for high-pressure manifold
JP2001012678A (en) * 1999-06-30 2001-01-16 Suiken:Kk Method for forming constant water branch piping and device therefor
JP2001146983A (en) * 1999-11-24 2001-05-29 Suido Gijutsu Kaihatsu Kiko:Kk Valve attaching device for fluid transport pipe
CN101688631A (en) * 2007-06-21 2010-03-31 株式会社水研 Branch device for noninterruptive flow boring
CN208929272U (en) * 2018-11-15 2019-06-04 哈尔滨跃进管道工程设备有限公司 Manual drilling machine
CN211649365U (en) * 2020-03-17 2020-10-09 中国十七冶集团有限公司 Sealing device for pipeline interface
CN212156206U (en) * 2020-01-20 2020-12-15 河北金锋淀粉糖醇有限公司 Locking and sealing structure for flash evaporation acidification pipeline
CN213018342U (en) * 2020-07-10 2021-04-20 河南正海实业有限公司 Water conservancy pipeline protection casing
CN213236335U (en) * 2020-08-19 2021-05-18 广气(广州)能源科技有限公司 Protection device for natural gas line
CN214557601U (en) * 2021-04-06 2021-11-02 兰州理工大学 Portable pipeline under-pressure tapping and connecting device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515177A (en) * 1982-04-29 1985-05-07 George Fischer Limited Molded connection piece
US4900180A (en) * 1987-06-29 1990-02-13 Usui Kokusai Sangyo Kaisha Ltd. Structure for connecting branch pipe in high-pressure fuel manifold
JPH084972A (en) * 1994-06-15 1996-01-12 Usui Internatl Ind Co Ltd Connecting structure for branch joint for high-pressure manifold
JP2001012678A (en) * 1999-06-30 2001-01-16 Suiken:Kk Method for forming constant water branch piping and device therefor
JP2001146983A (en) * 1999-11-24 2001-05-29 Suido Gijutsu Kaihatsu Kiko:Kk Valve attaching device for fluid transport pipe
CN101688631A (en) * 2007-06-21 2010-03-31 株式会社水研 Branch device for noninterruptive flow boring
CN208929272U (en) * 2018-11-15 2019-06-04 哈尔滨跃进管道工程设备有限公司 Manual drilling machine
CN212156206U (en) * 2020-01-20 2020-12-15 河北金锋淀粉糖醇有限公司 Locking and sealing structure for flash evaporation acidification pipeline
CN211649365U (en) * 2020-03-17 2020-10-09 中国十七冶集团有限公司 Sealing device for pipeline interface
CN213018342U (en) * 2020-07-10 2021-04-20 河南正海实业有限公司 Water conservancy pipeline protection casing
CN213236335U (en) * 2020-08-19 2021-05-18 广气(广州)能源科技有限公司 Protection device for natural gas line
CN214557601U (en) * 2021-04-06 2021-11-02 兰州理工大学 Portable pipeline under-pressure tapping and connecting device

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