CN218094430U

CN218094430U - Integrated loose joint three-way valve and valve assembly comprising same

Info

Publication number: CN218094430U
Application number: CN202222593820.9U
Authority: CN
Inventors: 孙鹏; 周丽萍; 江瑞辉; 白雪; 许吉泰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-20
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to an integrated loose joint three-way valve and a valve assembly comprising the same, which comprises a main valve and a three-way unit which are connected in sequence, wherein the tail end opening of the main valve is movably connected with the first interface of the three-way unit, and the second interface of the three-way unit is connected with the head end opening of a shunt valve; the head end opening of the main valve, the second interface and the third interface of the three-way unit form three openings to be connected of the integrated loose joint three-way valve and are used for connecting pipelines or accessories; and a first drainage and exhaust port is arranged on the main path valve, and a second drainage and exhaust port is arranged between the first interface and the third interface of the three-way unit. The integrated union three-way valve can flexibly change the installation direction of the shunt valve, realizes the drainage and the exhaust under various conditions by the design of the double drainage exhaust ports, meets the requirements of connecting various pipelines and equipment, and does not need to use an additional adapter when being installed and used among different pipelines.

Description

Integrated loose joint three-way valve and valve assembly comprising same

Technical Field

The utility model belongs to the technical field of valve and accessory, concretely relates to integrated form loose joint tee bend valve reaches valve assembly who contains it.

Background

With the rapid development of modern city and town construction and the continuous improvement of the urbanization rate, a serious challenge is brought to the construction of supporting facilities which are closely related to the life of people. The valve plays an important role in various urban pipe network constructions. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The material of the valve is reasonably selected according to different conveyed media.

Because the valve has above-mentioned multiple functions or effect, so the variety, interface, the specification of valve are various, and the general function singleness of present valve leads to the function that needs a plurality of valves and accessory combination just can realize the pipeline when the pipe connection, has not only increased the installation number of times, has wasted installation space, takes trouble moreover and labouriously.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides an integrated loose joint three-way valve and a valve assembly including the same, wherein the integrated loose joint three-way valve includes a main path valve and a three-way unit which are connected in sequence, a tail end opening of the main path valve is movably connected with a first interface of the three-way unit, and a second interface of the three-way unit is connected with a head end opening of the branch valve; the head end opening of the main valve, the second interface and the third interface of the three-way unit form three openings to be connected of the integrated loose joint three-way valve and are used for connecting pipelines or accessories;

and a first drainage and exhaust port is arranged on the main path valve, and a second drainage and exhaust port is arranged between the first interface and the third interface of the three-way unit.

Optionally, the first water discharge and air exhaust port is arranged between the head end opening and the tail end opening of the main path valve, and preferably, the first water discharge and air exhaust port is close to the head end opening of the main path valve.

Optionally, a center line of the second water and gas discharge port coincides with a center line of the shunt valve, that is, a center line connecting line of the second water and gas discharge port and the shunt valve is perpendicular to a center line connecting line of the first port and the third port of the three-way unit.

Optionally, the tail end opening of the main path valve is movably connected with the first interface of the three-way unit through a G thread, a sealing gasket and a collar, so that the installation direction of the shunt valve can be flexibly changed, and the tail end opening of the shunt valve can be conveniently adapted to be connected with pipelines or equipment in different directions; and a loose joint nut is arranged between the tail end opening of the main path valve and the first interface and is used for locking the main path valve and the three-way unit to realize sealed connection.

Optionally, the connection modes of the head end opening of the main path valve, the tail end opening of the shunt valve, and the third interface of the three-way unit are respectively selected from one of a threaded connection, a snap connection, PEX1807, PEX1960, PUSH, CPVC, PPR, and PPRCT.

The valve assembly comprises the integrated loose joint three-way valve and a plurality of connecting pipes, one end of each connecting pipe is connected with the head end opening of the main valve or the second interface or the third interface of the three-way unit, the other end of each connecting pipe is used for connecting a connecting pipeline or an accessory, the connecting pipes are selected from plastic pipes, copper pipes, iron pipes and stainless steel pipes, and the stainless steel pipes can be stainless steel pipe hoses, stainless steel pipe hard pipes and stainless steel corrugated pipes.

Optionally, the connection mode of the other end of the connection pipe is selected from one of a threaded connection, a snap connection, PEX1807, PEX1960, PUSH, CPVC, PPR, and PPRCT.

Integrated form loose joint tee bend valve and contain its valve assembly, following beneficial effect has:

1. the main path valve and the three-way unit are movably connected, so that the direction of a main pipeline where the main path valve is located can be taken as an axis, the fluid direction of the shunt valve can be adjusted in a 360-degree rotating mode according to actual engineering requirements, the main path valve and the three-way unit are locked and sealed through a loose joint nut after the fluid direction of the shunt valve is determined, and the flexibility of the fluid direction of the shunt valve is improved to the maximum extent;

2. in order to facilitate the application environment of various upstream and downstream main path valves and the combined valve of the three-way unit, the utility model adopts the design of double water discharge exhaust ports, and can realize water discharge and exhaust under various conditions;

3. the connecting device covers various advanced connecting modes of pipelines and equipment at home and abroad and various conversion connecting modes, meets the requirements of connecting various pipelines and equipment to the greatest extent, and does not need to use an additional conversion joint when different pipelines are installed and used;

4. the main path valve and the shunt valve can be independently controlled to be opened and closed, flexible disassembly and assembly can be realized by rotating the loose joint nut, and the pipeline and the equipment which are respectively connected are convenient to maintain and replace.

Drawings

FIG. 1 is a schematic structural diagram of the integrated union three-way valve;

fig. 2 is a schematic structural diagram of the valve assembly.

In the attached figure, 1 is a main path valve, 2 is a three-way unit, 3 is a shunt valve, 4 is a first water and gas discharging port, 5 is a second water and gas discharging port, 6 is a first interface, 7 is a second interface, 8 is a third interface, 9 is a loose joint screw cap, and 10 is a connecting pipe.

Detailed Description

The integrated union three-way valve described in this embodiment, as shown in fig. 1, includes a main way valve 1 and a three-way unit 2 connected in sequence, an opening at a tail end of the main way valve 1 is movably connected to a first interface 6 of the three-way unit 2, and a second interface 7 of the three-way unit 2 is connected to an opening at a head end of the shunt valve 3; the head end opening of the main valve 1, the second interface 7 and the third interface 8 of the three-way unit 2 form three openings to be connected of the integrated loose joint three-way valve, and the three openings are used for connecting a pipeline 10 or fittings;

a first drainage and exhaust port 4 is formed in the main path valve 1, and a second drainage and exhaust port 5 is formed between a first interface 6 and a third interface 8 of the three-way unit 2.

Optionally, the first water and gas discharging opening 4 is arranged between the head end opening and the tail end opening of the main path valve 1, and preferably, the first water and gas discharging opening 4 is close to the head end opening of the main path valve 1.

Optionally, a center line of the second drainage and exhaust port 5 coincides with a center line of the shunt valve 3, that is, a center line connecting line of the second drainage and exhaust port 5 and the shunt valve 3 is perpendicular to a center line connecting line of the first port 6 and the third port 8 of the three-way unit 2.

Optionally, the tail end opening of the main path valve 1 is movably connected to the first interface 6 of the three-way unit 2 through a G thread, a sealing gasket and a collar, so that the installation direction of the shunt valve 3 can be flexibly changed, and the tail end opening of the shunt valve 3 can be conveniently adapted to be connected to pipelines or equipment in different directions; a loose joint nut 9 is arranged between the opening at the tail end of the main path valve 1 and the first interface 6 and used for locking the main path valve 1 and the three-way unit 2 to realize sealing connection.

Optionally, the main valve 1 is a ball valve.

Optionally, the connection mode of the head end opening of the main valve 1 is selected from one of a threaded connection, a snap connection, PEX1807, PEX1960, PUSH, CPVC, PPR, and PPRCT, and the threaded connection is selected from an internal thread and an external thread, including but not limited to an NPT internal thread, an NPT external thread, a G internal thread, a G external thread, an NPSH internal thread, an NPSH external thread, an NPSM internal thread, an NPSM external thread, an NH internal thread, and an NH external thread.

Optionally, the connection mode of the tail end opening of the shunt valve 3 is selected from one of a threaded connection, a clamping connection, PEX1807, PEX1960, PUSH, CPVC, PPR and PPRCT, and the threaded connection is selected from an internal thread and an external thread, including but not limited to an NPT internal thread, an NPT external thread, a G internal thread, a G external thread, an NPSH internal thread, an NPSH external thread, an NPSM internal thread, an NPSM external thread, an NH internal thread and an NH external thread.

Optionally, the connection mode of the third interface 8 of the three-way unit 2 is selected from one of a threaded connection, a snap connection, PEX1807, PEX1960, PUSH, CPVC, PPR, and PPRCT, and the threaded connection is selected from an internal thread and an external thread, including but not limited to an NPT internal thread, an NPT external thread, a G internal thread, a G external thread, an NPSH internal thread, an NPSH external thread, an NPSM internal thread, an NPSM external thread, an NH internal thread, and an NH external thread.

The connection modes of the head end opening of the main path valve 1, the tail end opening of the shunt valve 3 and the third interface 8 of the three-way unit 2 can be the same or different.

The connection mode of the first end opening of the main valve 1, the tail end opening of the shunt valve 3 and the third interface 8 of the three-way unit 2 can be independently and randomly selected, is not influenced by other two interfaces, and is convenient for connecting pipelines or accessories with various specifications.

Main road valve 1 and shunt valve 3 control main road fluid switch and shunt fluid switch respectively. When the main path valve 1 is opened, the shunt valve 3 can close the pipeline and/or equipment connected by the shunt, so that the main path is normally used; when the main valve 1 is closed, the shunt valve 3 can be opened to keep the pipeline connected with the shunt in circulation and normal operation.

When the main valve 1 is on the upstream side, i.e. fluid enters from the main valve 1, when the main valve 1 is closed, the second drainage outlet 5 of the downstream three-way unit 2 can be opened to discharge the fluid below the main valve, and air enters the valve and the pipeline, so as to exhaust the fluid in the pipeline and the connected equipment by the atmospheric pressure. And then the connection between the main path valve 1 and the three-way unit 2 is opened through the rotation of the loose joint screw cap 9, and the three-way unit 2 and the connected pipeline and equipment are taken down for maintenance and replacement under the condition that the main path valve 1 is closed. After the maintenance and replacement are finished, the main valve unit and the three-way unit 2 are reconnected with the pipeline and the connecting equipment through the G thread loose joint between the main valve unit and the three-way unit 2, and after the main valve 1 is opened, the fluid enters the downstream three-way unit 2 and the connected pipeline and equipment.

When the shunt valve 3 is on the upstream side, i.e. the fluid enters from the shunt valve 3, the shunt valve 3 is closed, the main valve 1 is kept open, the second drainage and exhaust port 5 is opened, the fluid downstream of the shunt valve 3 is exhausted, air enters the pipeline, and the fluid in the pipeline and the connected equipment is exhausted by the atmospheric pressure. And then the connection between the three-way unit 2 and the main path valve 1 unit is opened through the rotation of the loose joint screw cap 9, and the main path valve 1 and the connected pipelines and equipment are taken down for maintenance and replacement under the condition that the shunt valve 3 is closed. After the maintenance and replacement are finished, the main valve unit and the three-way unit 2 are reconnected with the pipeline and the connecting equipment through the G thread loose joint between the main valve unit and the three-way unit, and after the shunt valve 3 is opened, the fluid enters the downstream pipeline and equipment connected with the three-way valve and the main valve unit.

The valve assembly described in this embodiment, as shown in fig. 2, includes the integrated union three-way valve and a plurality of connecting pipes 10, one end of the connecting pipe 10 is connected to the head end opening of the main pipe valve 1 or the second interface 7 or the third interface 8 of the three-way unit 2, the other end of the connecting pipe 10 is used to connect a connecting pipeline or an accessory, the connecting pipe is selected from a plastic pipe, a copper pipe, an iron pipe, and a stainless steel pipe, and the stainless steel pipe may be a stainless steel pipe hose, a stainless steel pipe hard pipe, and a stainless steel corrugated pipe.

Optionally, the connection mode of the other end of the connection pipe 10 is selected from one of a threaded connection, a snap connection, PEX1807, PEX1960, PUSH, CPVC, PPR, and PPRCT, and the threaded connection is selected from an internal thread and an external thread, including but not limited to an NPT internal thread, an NPT external thread, a G internal thread, a G external thread, an NPSH internal thread, an NPSH external thread, an NPSM internal thread, an NPSM external thread, an NH internal thread, and an NH external thread.

Claims

1. An integrated loose joint three-way valve is characterized by comprising a main path valve and a three-way unit which are sequentially connected, wherein the tail end opening of the main path valve is movably connected with a first interface of the three-way unit, and a second interface of the three-way unit is connected with the head end opening of a shunt valve; the head end opening of the main path valve, the second interface and the third interface of the three-way unit form three openings to be connected of the integrated loose joint three-way valve and are used for connecting a pipeline or a fitting;

2. The integrated union three-way valve of claim 1, wherein the first drain vent is open near a head end of the main circuit valve.

3. The integrated union tee valve of claim 1, wherein the centerline of the second drain vent coincides with the centerline of the shunt valve, and a centerline of the second drain vent and the shunt valve is perpendicular to a centerline of the first port and the third port of the tee unit.

4. The integrated union three-way valve according to claim 1, wherein the tail end opening of the main valve is movably connected with the first interface of the three-way unit through a G thread, a sealing gasket and a clamping ring, so that the installation direction of the shunt valve can be flexibly changed, and the tail end opening of the shunt valve can be conveniently adapted to be connected with pipelines or equipment in different directions;

and a loose joint nut is arranged between the tail end opening of the main path valve and the first interface and is used for locking the main path valve and the three-way unit to realize sealed connection.

5. The integrated union tee valve of claim 1, wherein the connection manner of the head end opening of the main valve, the tail end opening of the branch valve and the third port of the tee unit is selected from one of a threaded connection, a snap connection, PEX1807, PEX1960, PUSH, CPVC, PPR and PPRCT respectively.

6. A valve assembly, comprising the integrated union tee valve of any one of claims 1 to 5 and a plurality of connecting pipes, wherein one end of each connecting pipe is connected with the head end opening of the main valve or the second interface or the third interface of the tee unit, and the other end of each connecting pipe is used for connecting a connecting pipeline or a fitting.

7. The valve assembly of claim 6 wherein the other end of the connecting tube is attached by a means selected from the group consisting of a threaded connection, a snap connection, PEX1807, PEX1960, PUSH, CPVC, PPR, and PPRCT.