CN109404566B

CN109404566B - Drain valve

Info

Publication number: CN109404566B
Application number: CN201710697188.3A
Authority: CN
Inventors: 秦立华; 刘会娟; 张彦强; 倪建林; 李凡昊; 刘宏生; 刘会玲
Original assignee: Ningxia Yinhe Steel Plastic Drip Irrigation Equipment Co ltd
Current assignee: Ningxia Yinhe Steel Plastic Drip Irrigation Equipment Co ltd
Priority date: 2017-08-15
Filing date: 2017-08-15
Publication date: 2023-09-05
Anticipated expiration: 2037-08-15
Also published as: CN109404566A

Abstract

The application discloses a drain valve, which comprises a first connecting pipe, a second connecting pipe and a third connecting pipe which are communicated with each other in pairs; the first connecting pipe is provided with a first saddle arc, a first valve plate is arranged in the first saddle arc, a first valve body is arranged in the first saddle arc, a first main shaft is arranged in the first valve body, one end of the first main shaft is connected with the first valve plate, the other end of the first main shaft is provided with a first rotary handle, and the first rotary handle is fixedly connected with the first main shaft; the second connecting pipe is provided with a second saddle arc, a second valve plate is arranged in the second saddle arc, a second valve body is arranged in the second saddle arc, a second main shaft is arranged in the second valve body, one end of the second main shaft is connected with the second valve plate, the other end of the second main shaft is provided with a second rotary handle, and the second rotary handle is fixedly connected with the second main shaft. The drain valve provided by the application can be quickly connected with the irrigation pipeline and the equipment, and can be conveniently and quickly used in the irrigation equipment.

Description

Drain valve

Technical Field

The application relates to the technical field of valves, in particular to a drain valve.

Background

The drainage valve is used for controlling flow, water level and the like, is an indispensable water industry product, and is mainly applied to the fields of urban, building, enterprise water supply and drainage engineering, industrial and domestic sewage treatment, hydraulic engineering and the like. With the development of drainage irrigation technology, people have higher requirements on the drainage valve applied by the drainage valve, such as convenient use, quick connection, convenient control and the like, and can conveniently connect various irrigation pipelines and other devices.

Disclosure of Invention

The application provides a drain valve which is used for conveniently and quickly connecting irrigation pipelines and other devices.

The application provides a drain valve, which comprises a first connecting pipe, a second connecting pipe and a third connecting pipe which are mutually communicated in pairs; wherein, the liquid crystal display device comprises a liquid crystal display device,

the first connecting pipe is provided with a first saddle arc, a first valve plate is arranged in the first saddle arc, a first valve body is arranged in the first saddle arc, a first main shaft is arranged in the first valve body, one end of the first main shaft is connected with the first valve plate, the other end of the first main shaft is provided with a first rotary handle, and the first rotary handle is fixedly connected with the first main shaft;

the second connecting pipe is provided with a second saddle arc, a second valve plate is arranged in the second saddle arc, a second valve body is arranged in the second saddle arc, a second main shaft is arranged in the second valve body, one end of the second main shaft is connected with the second valve plate, the other end of the second main shaft is provided with a second rotary handle, and the second rotary handle is fixedly connected with the second main shaft.

Optionally, in the above drain valve, a first sealing ring is disposed on the first valve plate, and the first sealing ring is in interference fit with the inner wall of the first connecting pipe;

the second valve plate is provided with a second sealing ring, and the second sealing ring is in interference fit with the inner wall of the second connecting pipe.

Optionally, in the above drain valve, a first flange plate is fixedly disposed on the top of the first valve body, and a first limiting tooth is disposed on the first flange plate;

the top of the second valve body is fixedly provided with a second flange plate, and the second flange plate is provided with second limiting teeth.

Optionally, in the above drain valve, a first auxiliary handle is disposed on the first rotary handle, and the first auxiliary handle is hinged to the first rotary handle;

the second rotary handle is provided with a second auxiliary handle, and the second auxiliary handle is hinged with the second rotary handle.

Optionally, in the above drain valve, a first spring is disposed on the first rotating handle, one end of the first spring is fixedly connected with the first rotating handle, and the other end of the first spring is fixedly connected with the first auxiliary handle;

the second rotating handle is provided with a second spring, one end of the second spring is fixedly connected with the second rotating handle, and the other end of the second spring is fixedly connected with the second auxiliary handle.

Optionally, in the above drain valve, the central axis of the first connecting tube and the central axis of the second connecting tube are on the same straight line.

Optionally, in the above drain valve, a central axis of the first connection pipe is perpendicular to a central axis of the third connection pipe.

Optionally, in the above drain valve, a port of the first adapter tube and a port of the second adapter tube, which are opposite, are provided with a fish scale spike, and a port of the third adapter tube is provided with an internal thread.

The drain valve provided by the application is a three-way valve comprising a first connecting pipe, a second connecting pipe and a third connecting pipe, wherein the first connecting pipe, the second connecting pipe and the third connecting pipe are mutually communicated, saddle arcs are respectively arranged on the first connecting pipe and the second connecting pipe, and a valve plate, a valve body, a main shaft and a rotary handle are arranged on the saddle arcs, so that the on-off control of the first connecting pipe and the second connecting pipe can be realized. The drain valve provided by the application can be quickly connected with the irrigation pipeline and the equipment, and can be conveniently and quickly used in the irrigation equipment.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of a drain valve according to an embodiment of the present application;

FIG. 2 is a side view of a drain valve according to an embodiment of the present application;

fig. 3 is a partial enlarged view of fig. 1 at a.

Wherein:

10-first adapter tube, 11-first saddle arc, 12-first sealing ring, 13-first valve plate, 14-first main shaft, 15-first valve body, 16-first flange plate, 17-first rotary handle, 18-first auxiliary handle, 19-first spring, 20-second adapter tube, 21-second saddle arc, 22-second sealing ring, 23-second valve plate, 24-second main shaft, 25-second valve body, 26-second flange plate, 27-second rotary handle, 28-second auxiliary handle, 29-second spring, 30-third adapter tube.

Detailed Description

The embodiment of the application provides a drain valve which is used for conveniently and quickly connecting irrigation pipelines and other devices.

In order to make the technical solution in the present specification better understood by those skilled in the art, the technical solution in the present specification embodiment will be clearly and completely described below with reference to the accompanying drawings in the present specification embodiment, and it is apparent that the described embodiment is only a part of the present specification embodiment, not all the embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are intended to be within the scope of the present disclosure.

Specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a basic structure of a drain valve provided in an embodiment of the present application is shown. The drain valve provided by the embodiment of the application comprises a first connecting pipe 10, a second connecting pipe 20 and a third connecting pipe 30 which are communicated in pairs. The first connecting pipe 10, the second connecting pipe 20 and the third connecting pipe 30 are respectively made of cold-rolled steel plates, the first connecting pipe 10, the second connecting pipe 20 and the third connecting pipe 30 are communicated with each other, and any realizable included angle can be formed between the first connecting pipe 10, the second connecting pipe 20 and the third connecting pipe 30. For example, the first connection pipe 10 and the second connection pipe 20 are on the same straight line, the third connection pipe 30 is perpendicular to the first connection pipe 10 and the second connection pipe 20, that is, the central axis of the first connection pipe 10 and the central axis of the second connection pipe 20 are on the same straight line, and the central axis of the first connection pipe is perpendicular to the central axis of the third connection pipe; or, the included angle between the adjacent first, second and third connection pipes 10, 20 and 30 is 120 °, i.e., the included angle between the central axes of the first, second and third connection pipes 10, 20 and 30 is 120 °.

Referring to fig. 1 and 2, which illustrate the basic structure of a first adapter tube 10 provided in an embodiment of the present application, the first adapter tube 10 further includes a first saddle arc 11, a first valve plate 13, a first valve body 15, a first main shaft 14, and a first rotary handle 17. The first saddle arc 11 is arranged on the first connecting pipe 10, the first valve plate 13 is arranged in the first saddle arc 11, the first valve body 15 is arranged on the first saddle arc 11, the first main shaft 14 is arranged in the first valve body 15, one end of the first main shaft 14 is connected with the first valve plate 13, the other end of the first main shaft 14 is provided with the first rotary handle 17, the first rotary handle 17 is fixedly connected with the first main shaft 14, optionally, the first rotary handle 17 is fixedly connected with the first main shaft 14 through a shaft pin, and the shaft pin can facilitate the connection and the disassembly of the first rotary handle 17 and the first main shaft 14.

The internal diameter of first saddle arc 11 is greater than the internal diameter of first takeover 10, and first saddle arc 11 passes through circular arc transitional coupling with first takeover 10, and the inside first valve plate 13 that sets up of first saddle arc 11 can be at its inside rotation, realizes the break-make conversion of first takeover 10. The first saddle arc 11 is provided with a first valve body 15, a first main shaft 14 is arranged in the first valve body 15, the first valve body 15 is a fixed seat of the first main shaft 14, one end of the first main shaft 14 is fixedly connected with the first valve plate 13, and the other end is fixedly connected with the first rotary handle 17. Rotating the first rotary handle 17 rotates the first spindle 14 within the first valve body 15, thereby rotating the first valve plate 13. Detailed construction referring to fig. 3, fig. 3 is a partial enlarged view of the first adapter tube 10.

The first valve plate 13 is a butterfly valve turning plate, and the first valve plate 13 is indirectly or directly tightly attached to the inner wall of the first saddle arc 11, so that the section of the first saddle arc 11 can be sealed. When the central axis of the first valve plate 13 coincides with the central axis of the first connecting pipe 10, the first valve plate 13 closes the first connecting pipe 10; when the first valve plate 13 rotates, and an included angle exists between the central axis of the first valve plate 13 and the central axis of the first connecting pipe 10, the first connecting pipe 10 is conducted; when the first valve plate 13 rotates, the central axis of the first valve plate 13 is perpendicular to the central axis of the first connecting pipe 10, the first connecting pipe 10 reaches maximum conduction, and the flow in the first connecting pipe 10 is maximum.

Referring to fig. 1 and 2, the second adapter tube 20 has a structure similar to that of the first adapter tube 10, and the second adapter tube 20 further includes a second saddle arc 21, a second valve plate 23, a second valve body 25, a second main shaft 24, and a second rotary handle 27. The second saddle arc 21 sets up on the second takeover 20, sets up second valve plate 23 in the second saddle arc 21, sets up second valve body 25 on the second saddle arc 21, sets up second main shaft 24 in the second valve body 25, second valve plate 23 is connected to the one end of second main shaft 24, and the other end of second main shaft 24 sets up second twist grip 27, second twist grip 27 fixed connection second main shaft 24, optionally, second twist grip 27 passes through pivot fixed connection second main shaft 24, and the pivot can make things convenient for the connection and the dismantlement of second twist grip 27 and second main shaft 24.

The second saddle arc 21 is a section of pipe with a certain radian, the inner diameter of which is larger than that of the second connecting pipe 20, and the second valve plate 23 arranged inside can rotate in the second saddle arc 21, so that the on-off conversion of the second connecting pipe 20 is realized. A second valve body 25 is arranged on the second saddle arc 21, a second main shaft 24 is arranged in the second valve body 25, the second valve body 25 is a fixed seat of the second main shaft 24, one end of the second main shaft 24 is fixedly connected with a second valve plate 23, and the other end is fixedly connected with a second rotary handle 27. Rotating the second rotary handle 27 rotates the second spindle 24 within the second valve body 25, thereby rotating the second valve plate 23.

The second valve plate 23 is a butterfly valve turning plate, and the second valve plate 23 is indirectly or directly tightly attached to the inner wall of the second saddle arc 21, so that the section of the second saddle arc 21 can be sealed. When the central axis of the second valve plate 23 coincides with the central axis of the second connecting pipe 20, the second valve plate 23 closes the second connecting pipe 20; when the second valve plate 23 rotates and an included angle exists between the central axis of the second valve plate 23 and the central axis of the second connecting pipe 20, the second connecting pipe 20 is conducted; when the second valve plate 23 rotates, the central axis of the second valve plate 23 is perpendicular to the central axis of the second connecting pipe 20, the second connecting pipe 20 reaches maximum conduction, and the flow in the second connecting pipe 20 is maximum.

The first valve plate 13 and the second valve plate 23 are all plastic steel butterfly valve turning plates, can be repeatedly utilized, are anti-aging, do not scale, are convenient to use, are frost-resistant, and have prolonged service life. The plastic steel is POM, and is one new kind of building material with excellent performance, convenient processing and wide application, and has excellent antifriction, wear resistance, fatigue resistance, excellent medicine resistance, high rigidity, high elasticity and stable size.

The flow direction of the drain valve provided by the application can be selected, the first connecting pipe 10, the second connecting pipe 20 and the third connecting pipe 30 are combined for use, if the third connecting pipe 30 is connected to a water pipeline, the first connecting pipe 10 or/and the second connecting pipe 20 can be selected as a water outlet, a water pipe is connected to the first connecting pipe 10 or/and the second connecting pipe 20, a valve plate of the first connecting pipe 10 or/and the second connecting pipe 20 is opened, and water can be discharged from the first connecting pipe 10 or/and the second connecting pipe 20. The first connection piece 10 and/or the second connection piece 20 can also be connected to the water line. The use mode of the drain valve provided by the application is not unique, the quick connection between the irrigation pipeline and the equipment can be realized, and the drain valve is convenient and quick to use in the irrigation equipment.

In the specific embodiment of the application, the first sealing ring 12 is arranged on the first valve plate 13, the first sealing ring 12 wraps the peripheral edge of the first valve plate 13, the first valve plate 13 is tightly attached to the inner wall of the first saddle arc 11 through the first sealing ring 12, the cross section of the first saddle arc 11 is sealed, the sealing use effect of the first valve plate 13 is improved, and the drain valve provided by the application is more convenient to use. Optionally, a second sealing ring 22 is arranged on the second valve plate 23, the second sealing ring 22 wraps the peripheral edge of the second valve plate 23, the second valve plate 23 is tightly attached to the inner wall of the second saddle arc 21 through the second sealing ring 22, the section of the second saddle arc 21 is sealed, the sealing use effect of the second valve plate 23 is improved, and the drain valve provided by the application is more convenient to use. Both the first seal ring 12 and the second seal ring 22 may be tapered seal rings.

Further, a first flange plate 16 is fixedly arranged at the top of the first valve body 15, and first limiting teeth are arranged on the first flange plate 16. The first flange plate 16 can be fixedly connected, preferably screwed, to the first valve body 15 by means of a screw connection or a welded connection. The edge of the first flange plate 16 is provided with first limiting teeth for limiting the rotation position of the first rotary handle 17, and the number of the first limiting teeth is not limited and may be 3, 5 or other. Preferably, the first limit teeth are distributed over a quarter of the circumference of the first flange plate 16 to complete a 90 ° rotation of the first rotary handle 17. Optionally, a second flange plate 26 is fixedly arranged on the top of the second valve body 25, and second limiting teeth are arranged on the second flange plate 26. The second flange plate 26 can be fixedly connected, preferably screwed, to the second valve body 25 by means of a screw connection or a welded connection. The edge of the second flange plate 26 is provided with second limiting teeth for limiting the rotational position of the second rotary handle 27, and the number of the second limiting teeth is not limited and may be 3, 5 or other. Preferably, the second spacing teeth are distributed over a quarter of the circumference of the second flange plate 26 to complete a 90 ° rotation of the second rotary handle 27.

Further, in the drain valve provided by the embodiment of the application, the first rotary handle 17 is provided with the first auxiliary handle 18, the first auxiliary handle 18 is hinged to the first rotary handle 17, and the first auxiliary handle 18 is used for being clamped with the first limiting teeth. After the rotation of the first rotary handle 17 is completed, one end of the first auxiliary handle 18 is clamped on the first limiting tooth, and the first rotary handle 17 is fixed. When the first rotary handle 17 is rotated, the position of the first rotary handle is fixed, the first valve plate 13 can be better fixed, and the use reliability of the drain valve is ensured. Optionally, a second auxiliary handle 28 is disposed on the second rotary handle 27, the second auxiliary handle 28 is hinged to the second rotary handle 27, and the second auxiliary handle 28 is used for being clamped with the second limiting tooth. After the rotation of the second rotary handle 27 is completed, one end of the second sub-handle 28 is clamped on the second limiting tooth, and the function of fixing the second rotary handle 27 is achieved. When the second rotary handle 27 is rotated, the position of the second rotary handle is fixed, so that the second valve plate 23 can be better fixed, and the use reliability of the drain valve is further ensured.

The first rotary handle 17 is provided with a first spring 19, one end of the first spring 19 is fixedly connected with the first rotary handle 17, and the other end of the first spring 19 is fixedly connected with a first auxiliary handle 18. When the first rotary handle 17 is required to be adjusted, the first auxiliary handle 18 is pressed towards the first rotary handle 17, the first auxiliary handle 18 is separated from the first limiting teeth, the first spring 19 is compressed, and the first rotary handle 1 can rotate; when the first rotary handle 17 rotates to a proper position and then the first auxiliary handle 18 is released, the first spring 19 is restored, so that the first auxiliary handle 18 moves in a direction away from the first rotary handle 1, and the first auxiliary handle 18 is clamped on the first limiting teeth to fix the position of the first rotary handle 1. Optionally, a second spring 29 is disposed on the second rotary handle 27, one end of the second spring 29 is fixedly connected with the second rotary handle 27, and the other end of the second spring 29 is fixedly connected with the second auxiliary handle 28. The principle of operation of the second spring 29 is the same as that of the first spring 19 and will not be described again here.

In the embodiment of the present application, the ports of the first connection pipe 10 and the second connection pipe 20 facing away from each other are provided with fish scale, and the ports of the third connection pipe 30 are provided with internal threads. The fish scale thorns are raised structures on the connecting pipes, which are helpful for the connection of the first connecting pipe 10 and the second connecting pipe 20 with other pipelines. The fish scale thorns and the threads are arranged, so that the drain valve and other irrigation pipelines and equipment can be conveniently and rapidly installed and disassembled.

The outer surface of the drain valve provided by the embodiment of the application is subjected to plastic spraying treatment, so that the drain valve can be sun-proof, anti-cracking and anti-wear, and the service life of the drain valve is prolonged. Meanwhile, a valve switch can be also arranged on the third connecting pipe 30, and the valve switch can be a valve formed by a saddle arc, a valve plate, a valve body, a main shaft and a rotary handle and also can be other forms of valves arranged on the first connecting pipe 10 and the second connecting pipe 20.

The foregoing is merely exemplary of embodiments of the present application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing is merely exemplary of the application and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the application, and it is intended that the application also be limited to the specific embodiments shown.

Claims

1. A drain valve, characterized in that the drain valve comprises a first connecting pipe (10), a second connecting pipe (20) and a third connecting pipe (30) which are communicated with each other in pairs; wherein, the liquid crystal display device comprises a liquid crystal display device,

a first saddle arc (11) is arranged on the first connecting pipe (10), a first valve plate (13) is arranged in the first saddle arc (11), a first valve body (15) is arranged on the first saddle arc (11), a first main shaft (14) is arranged in the first valve body (15), one end of the first main shaft (14) is connected with the first valve plate (13), a first rotary handle (17) is arranged at the other end of the first main shaft (14), and the first rotary handle (17) is fixedly connected with the first main shaft (14);

a second saddle arc (21) is arranged on the second connecting pipe (20), a second valve plate (23) is arranged in the second saddle arc (21), a second valve body (25) is arranged on the second saddle arc (21), a second main shaft (24) is arranged in the second valve body (25), one end of the second main shaft (24) is connected with the second valve plate (23), a second rotary handle (27) is arranged at the other end of the second main shaft (24), and the second rotary handle (27) is fixedly connected with the second main shaft (24);

a first sealing ring (12) is arranged on the first valve plate (13), and the first sealing ring (12) is in interference fit with the inner wall of the first connecting pipe (10); a second sealing ring (22) is arranged on the second valve plate (23), and the second sealing ring (22) is in interference fit with the inner wall of the second connecting pipe (20);

a first flange plate (16) is fixedly arranged at the top of the first valve body (15), and first limiting teeth are arranged on the first flange plate (16); a second flange plate (26) is fixedly arranged at the top of the second valve body (25), and second limiting teeth are arranged on the second flange plate (26);

a first auxiliary handle (18) and a first spring (19) are arranged on the first rotary handle (17), the first auxiliary handle (18) is hinged to the first rotary handle (17), one end of the first spring (19) is fixedly connected with the first rotary handle (17), and the other end of the first spring (19) is fixedly connected with the first auxiliary handle (18);

a second auxiliary handle (28) and a second spring (29) are arranged on the second rotary handle (27), and the second auxiliary handle (28) is hinged with the second rotary handle (27); one end of the second spring (29) is fixedly connected with the second rotary handle (27), and the other end of the second spring (29) is fixedly connected with the second auxiliary handle (28).

2. The drain valve according to claim 1, wherein the central axis of the first adapter tube (10) is collinear with the central axis of the second adapter tube (20).

3. Drain valve according to claim 1 or 2, characterized in that the central axis of the first connection tube (10) is perpendicular to the central axis of the third connection tube (30).

4. Drain valve according to claim 1, characterized in that the ports of the first connection tube (10) and the second connection tube (20) facing away are provided with fish scale, and the ports of the third connection tube (30) are provided with internal threads.