CN110486565B - Pipe connecting device and pipe connecting method - Google Patents
Pipe connecting device and pipe connecting method Download PDFInfo
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- CN110486565B CN110486565B CN201910773909.3A CN201910773909A CN110486565B CN 110486565 B CN110486565 B CN 110486565B CN 201910773909 A CN201910773909 A CN 201910773909A CN 110486565 B CN110486565 B CN 110486565B
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- water
- valve
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- pipe
- elastic
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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
- F16L29/00—Joints with fluid cut-off means
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/132—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing
- F16L55/134—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a pipe connecting device, when an external pipeline is required to be connected to a water pipeline, an elastic pipe of a water plugging device is firstly placed into the water pipeline, the elastic pipe is inflated by an inflator pump through a valve core, so that the elastic pipe is expanded to form a sealed air bag to plug the water pipeline, then a valve is arranged at the outer end of the water pipeline, then the elastic pipe is deflated and restored, so that the water plugging device rushes out of the valve along with water flow, finally the valve is closed to cut off the water flow, and the external pipeline is connected to the valve. The invention also discloses a pipe connecting method for connecting the external pipeline on the water pipeline by using the pipe connecting device.
Description
Technical Field
The invention relates to the technical field of water pipeline connecting pipes, in particular to a connecting pipe device. In addition, the invention also relates to a pipe connecting method for connecting an external pipeline on a water pipeline by using the pipe connecting device.
Background
In the construction operation process, sometimes because the construction needs, need prolong the water pipeline, or the water pipeline breaks and also need connect the extension pipe in time when using, because the pipeline is supplied water and is controlled by the main valve, once the main valve is closed, influence the water supply condition of other pipelines easily, therefore often need take over the pipeline under the circumstances of water, and in the actual operation, because the existence of water pressure, directly cause the splash to the water pipeline takeover, and water pipeline and extension pipe be difficult for being connected.
Therefore, how to solve the problem that the water pipeline is not easy to connect with the external pipeline is a technical problem to be solved by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a pipe connecting device which can facilitate the connection of an external pipeline and a water pipeline under the condition of not influencing the water supply of other pipelines. The invention also aims to provide a pipe connecting method for connecting an external pipeline on a water pipeline by using the pipe connecting device.
In order to solve the technical problems, the invention provides a pipe connecting device, which is used for a water pipeline and comprises a water plugging device, an inflator pump and a valve, wherein the water plugging device comprises an elastic pipe and a valve core, one end of the elastic pipe is closed, the other end of the elastic pipe is connected with the valve core, the elastic pipe is used for being placed in the water pipeline, the inflator pump is used for inflating the elastic pipe through the valve core so as to enable the elastic pipe to expand and plug the water pipeline, and the valve is used for being arranged on the water pipeline to cut off water flow and connecting the water pipeline with an external pipeline.
Preferably, the valve is a gate valve.
Preferably, the elastic tube is a rubber tube.
The invention also provides a pipe connecting method for a water pipeline, which is applied to any one of the pipe connecting devices, and comprises the following steps:
s1: inserting the elastic tube into the water passage from the outer end and positioning the valve inside outside the water passage;
s2: inflating the elastic tube through the valve core by using the inflator pump until the water pipeline does not discharge water outwards any more;
s3: the outer end of the water pipeline is provided with the valve;
s4: a bar is inserted into the valve to deflate the valve core, so that the elastic tube is restored and rushes out of the valve under the action of water pressure;
s5: closing the valve to plug the water pipeline;
s6: and the output end of the valve is connected with an external pipeline.
Preferably, the bar is a thin steel bar.
When the external pipeline needs to be connected to the water pipeline, the elastic pipe of the water plugging device is firstly placed into the water pipeline, the elastic pipe is inflated by the inflator pump through the valve core, the elastic pipe is expanded to form a sealed air bag to plug the water pipeline, then the valve is installed at the outer end of the water pipeline, the elastic pipe is deflated and restored, the water plugging device rushes out of the valve along with water flow, finally the valve is closed to cut off the water flow, and the external pipeline is connected to the valve.
The pipe connecting method provided by the invention corresponds to the pipe connecting device, is realized by using the pipe connecting device, has the technical effects, and is not described in detail herein because the pipe connecting device has the technical effects.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a water shutoff device provided by the invention;
FIG. 2 is a schematic view illustrating a use state of an embodiment of the pipe connection device provided by the present invention;
fig. 3 is a flowchart of an embodiment of a takeover method provided by the present invention.
The drawings are numbered as follows:
the water-through pipeline 1, water shutoff device 2, elastic tube 21, valve core 22, valve 3, input end 31, output end 32.
Detailed Description
The core of the invention is to provide a pipe connecting device which can facilitate the connection of an external pipeline and a water pipeline under the condition of not influencing the water supply of other pipelines. The other core of the invention is to provide a pipe connecting method for connecting an external pipeline on a water pipeline by using the pipe connecting device.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an embodiment of a water shutoff device provided in the present invention; fig. 2 is a schematic usage state diagram of an embodiment of the pipe connecting device provided by the present invention.
The embodiment of the invention provides a pipe connecting device which is mainly used for a water pipeline 1 and mainly comprises a water plugging device 2, an inflator pump and a valve 3, wherein the water plugging device 2 comprises an elastic pipe 21 and a valve core 22, one end of the elastic pipe 21 is closed, the other end of the elastic pipe is connected with the valve core 22, the elastic pipe 21 is used for being placed in the water pipeline 1, the inflator pump is used for inflating the elastic pipe 21 through the valve core 22, and the valve 3 is used for being arranged on the water pipeline 1 to cut off water flow and connecting the water pipeline 1 with an external pipeline.
When an external pipeline is required to be connected to the water pipeline 1, the elastic pipe 21 of the water plugging device 2 is firstly placed into the water pipeline 1, the elastic pipe 21 is inflated through the valve inside 22 by the inflator pump, the elastic pipe 21 is expanded to form a sealed air bag, the water pipeline 1 is plugged, water does not flow out of the water pipeline 1, the valve 3 is installed at the outer end of the water pipeline 1, then the valve inside 22 is deflated, the elastic pipe 21 is recovered, the water pipeline is conducted, the water plugging device 2 is integrally slender and has a small outer diameter after the elastic pipe 21 recovers, therefore, the water plugging device 2 can flush out of the valve 3 along with water flow, then the valve 3 is closed to cut off the water flow, the external pipeline can be normally installed on the valve 3, and after the external pipeline is connected, the valve 3 is opened to realize normal water supply use.
In conclusion, the pipe connecting device provided by the invention is used for connecting the external pipeline on the water pipeline 1, is simple to operate, does not influence water supply of other pipelines, and does not have the problems of water splash, difficult connection and the like.
In addition, the water plugging device 2 is simple in structure, capable of effectively plugging the water pipeline 1, convenient to use and capable of being repeatedly used.
It should be noted that the amount of air charged into the elastic tube 21 is different, and the expansion volume of the elastic tube 21 is different, so that each elastic tube 21 can adapt to the water passage 1 with different diameters, and the amount of air charged can be adjusted according to the diameter of the water passage 1 during specific operation.
It can be understood that the elastic tube 21 is an elongated tube having elasticity and capable of freely expanding and contracting, and the elastic tube 21 will not burst or cause water leakage in the water pipe 1 within the applicable pipe diameter range.
In addition to the above-described embodiments, in order to allow the water shutoff device 2 to be smoothly led out through the internal passage of the valve 3 by the water pressure, when the valve 3 is attached to the water passage pipe 1, the internal passage of the valve 3 preferably faces the valve core 22.
In addition, the valve 3 can be a gate valve, the gate valve is simple in structure, and the internal channel is a straight through hole, so that the water plugging device 2 can be favorably flushed out of the valve 3 along with water flow; of course, other types of valves 3 may be used, and it is within the scope of the present invention to ensure that the water blocking device 2 can be smoothly discharged through the valve 3.
Furthermore, according to the pipe connecting device provided by the invention, the elastic pipe 21 can be freely stretched and contracted, and the elastic pipe 21 can be a rubber pipe which is good in elasticity, wear-resistant and corrosion-resistant.
Referring to fig. 3, fig. 3 is a flowchart illustrating a takeover method according to an embodiment of the present invention.
The invention also provides a pipe connecting method for connecting an external pipeline on the water pipeline 1 by using the pipe connecting device, which specifically comprises the following steps:
s1: inserting the elastic tube 21 into the water passage 1 from the outer end thereof and positioning the valve core 22 outside the water passage 1;
s2: inflating the elastic tube 21 by using an inflator pump through the valve core 22 until the water pipeline 1 does not discharge water outwards;
when the elastic tube 21 is sealed by the pump to fill the elastic tube 21 with air through the valve core 22, the elastic tube 21 expands and becomes larger along the radial direction of the water passage 1, and when the elastic tube 21 expands to fill the whole cross section of the water passage 1 and the outer wall of the elastic tube 21 extrudes the inner wall of the water passage 1, the elastic tube 21 acts as a sealed air bag to block water flow, so as to achieve the purpose of blocking the water passage 1.
S3: a valve 3 is arranged at the outer end of the water pipeline 1;
s4: deflating the valve core 22 to restore the elastic tube 21, and flushing the valve 3 by the elastic tube 21 and the valve core 22 under the action of water pressure;
the valve 3 has two ports, i.e., an input port 31 and an output port 32, and when the valve 3 is installed, the input port 31 of the valve 3 is connected to the water passage 1.
In order to enable the water shutoff device 2 to be smoothly guided out through the internal passage of the valve 3 by the water pressure, when the valve 3 is mounted on the water passage 1, the internal passage of the valve 3 preferably faces the valve core 22.
The valve 3 can be a gate valve, the gate valve is simple in structure, the internal channel is a straight through hole, and the water plugging device 2 can be favorably flushed out of the valve 3 along with water flow.
Alternatively, the valve core 22 may be deflated by using a thin steel rod or a rod of similar structure, which is inserted into the valve 3 and pressed against the valve core 22, and then pressed by force to open the air hole of the valve core 22, through which the elastic tube 21 is deflated.
After the water plugging device 2 is flushed out of the valve 3, the water plugging device 2 can be retracted for the next use.
S5: closing the valve 3 to plug the water pipeline 1;
s6: an external pipeline is connected to the output end 32 of the valve 3.
The water flow can be cut off by closing the valve 3, the external pipeline can be normally installed at the output end 32 of the valve 3 at the moment, the external pipeline is connected with the water pipeline 1 through the valve 3, and after the external pipeline is connected, the valve 3 is opened to realize normal water supply.
In conclusion, the pipe connecting method provided by the invention is simple to operate, and can not influence water supply of other pipelines when the external pipeline is installed, and can not cause the problems of water splash, difficult connection and the like.
In the description of the present application, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant part can be referred to the method part for description.
The pipe connecting device and the pipe connecting method provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. A pipe connecting device is used for a water pipeline (1) and is characterized by comprising a water plugging device (2), an inflator pump and a valve (3), wherein the water plugging device (2) comprises an elastic pipe (21) and a valve core (22), one end of the elastic pipe (21) is closed, the other end of the elastic pipe is connected with the valve core (22), the elastic pipe (21) is used for being placed in the water pipeline (1), the inflator pump is used for inflating the elastic pipe (21) through the valve core (22) so that the elastic pipe (21) can expand to plug the water pipeline (1), the elastic pipe (21) is deflated and restored to enable the water plugging device (2) to flush out of the valve (3) along with water flow, and the valve (3) is used for being installed on the water pipeline (1) to cut off the water flow and being connected with the water pipeline (1) and an external pipeline; the internal channel of the valve (3) is opposite to the valve core (22).
2. Nozzle arrangement according to claim 1, characterized in that the valve (3) is a gate valve.
3. The nozzle arrangement according to claim 2, characterised in that the elastic tube (21) is a rubber tube.
4. A method of connecting pipes for a water pipeline (1) applied to a pipe connecting device according to any one of claims 1 to 3, comprising:
s1: inserting the elastic tube (21) into the water passage (1) from the outer end thereof, and positioning the valve core (22) outside the water passage (1);
s2: the elastic tube (21) is inflated by the inflator pump through the valve core (22) until the water pipeline (1) does not discharge water outwards any more;
s3: the valve (3) is arranged at the outer end of the water pipeline (1);
s4: a bar is inserted into the valve (3) to deflate the valve core (22), so that the elastic tube (21) is restored and rushes out of the valve (3) under the action of water pressure;
s5: closing the valve (3) to plug the water pipeline (1);
s6: an output end (32) of the valve (3) is connected with an external pipeline.
5. A process of taking over as claimed in claim 4 wherein said bar is a thin steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773909.3A CN110486565B (en) | 2019-08-21 | 2019-08-21 | Pipe connecting device and pipe connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773909.3A CN110486565B (en) | 2019-08-21 | 2019-08-21 | Pipe connecting device and pipe connecting method |
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| Publication Number | Publication Date |
|---|---|
| CN110486565A CN110486565A (en) | 2019-11-22 |
| CN110486565B true CN110486565B (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910773909.3A Active CN110486565B (en) | 2019-08-21 | 2019-08-21 | Pipe connecting device and pipe connecting method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4949744A (en) * | 1986-12-04 | 1990-08-21 | Kai Heed | Method and device for mounting a body in a conduit containing fluid |
| US5551704A (en) * | 1988-12-23 | 1996-09-03 | British Gas Plc | Seal for enhancing pipes |
| US20050229985A1 (en) * | 2002-05-21 | 2005-10-20 | Keld Saxenfelt | Inflatable, flexible device for use as an expandable closure device, and a method of producing said device |
| CN201007412Y (en) * | 2006-12-19 | 2008-01-16 | 李胜芝 | Leather bag for pipe leakage stopping construction |
| US7597118B1 (en) * | 2009-03-26 | 2009-10-06 | Ips Corporation | Pneumatic pressure relief test plug |
| CN102481724A (en) * | 2009-07-23 | 2012-05-30 | J范伯根管理有限责任公司 | Inflatable Closing Plug For Pipes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6742215B2 (en) * | 2016-10-11 | 2020-08-19 | 大阪瓦斯株式会社 | Gas stopper removing jig and gas stopper removing method using the same |
-
2019
- 2019-08-21 CN CN201910773909.3A patent/CN110486565B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4949744A (en) * | 1986-12-04 | 1990-08-21 | Kai Heed | Method and device for mounting a body in a conduit containing fluid |
| US5551704A (en) * | 1988-12-23 | 1996-09-03 | British Gas Plc | Seal for enhancing pipes |
| US20050229985A1 (en) * | 2002-05-21 | 2005-10-20 | Keld Saxenfelt | Inflatable, flexible device for use as an expandable closure device, and a method of producing said device |
| CN201007412Y (en) * | 2006-12-19 | 2008-01-16 | 李胜芝 | Leather bag for pipe leakage stopping construction |
| US7597118B1 (en) * | 2009-03-26 | 2009-10-06 | Ips Corporation | Pneumatic pressure relief test plug |
| CN102481724A (en) * | 2009-07-23 | 2012-05-30 | J范伯根管理有限责任公司 | Inflatable Closing Plug For Pipes |
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| Publication number | Publication date |
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| CN110486565A (en) | 2019-11-22 |
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