CN213929461U - Automatic water discharge valve - Google Patents

Abstract

The application discloses an automatic drain valve, which comprises a valve body, a valve cover, a sealing ring and a valve plug; the valve body comprises a valve column and a connecting disc; the valve body is provided with a water flow channel in a penetrating way along the height direction; a connecting disc is fixedly arranged at the center of one end of the valve column; a convex ring is fixedly arranged at one end of the circumferential outer wall of the connecting disc, which is far away from the valve column; a valve cover is detachably arranged on the periphery of the connecting disc; the valve cover comprises a connecting ring and a cover body; the connecting ring is matched with the connecting disc; the thickness of the connecting ring is equal to that of the connecting disc; a groove is formed in one end, far away from the valve column, of the inner wall of the connecting ring, and is matched with the convex ring; the connecting ring is in concave-convex connection with the connecting disc; and a cover body is fixedly arranged at one end of the connecting ring, which is far away from the valve column. The automatic drain valve has the advantages of simple structure, convenience in use, good sealing performance and long service life.

Description

Automatic water discharge valve

Technical Field

The application relates to the technical field of pipeline drainage, in particular to an automatic drainage valve.

Background

The vacuum pipeline is widely applied, when gas in the vacuum pipeline is pumped away, the interior of the vacuum pipeline becomes a negative pressure environment, and a part of gas can be liquefied into water drops to be stored in the vacuum pipeline in the pumping away process. The retained water drops can affect the use of the vacuum pipeline and are not easy to discharge. The existing automatic drain valve has the disadvantages of complex structure, poor use effect, troublesome installation and disassembly and difficult replacement and maintenance.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an automatic drain valve having a simple structure, convenient use, good sealing performance, and a long service life.

The application provides an automatic drain valve, which comprises a valve body, a valve cover, a sealing ring and a valve plug; the valve body comprises a valve column and a connecting disc; the valve body is provided with a water flow channel in a penetrating way along the height direction; a connecting disc is fixedly arranged at the center of one end of the valve column; a convex ring is fixedly arranged at one end of the circumferential outer wall of the connecting disc, which is far away from the valve column;

a valve cover is detachably arranged on the periphery of the connecting disc; the valve cover comprises a connecting ring and a cover body; the connecting ring is matched with the connecting disc; the thickness of the connecting ring is equal to that of the connecting disc; a groove is formed in one end, far away from the valve column, of the inner wall of the connecting ring, and is matched with the convex ring; the connecting ring is in concave-convex connection with the connecting disc; and a cover body is fixedly arranged at one end of the connecting ring, which is far away from the valve column.

Preferably, one end of the connecting disc close to the cover body is provided with a sealing groove; the cross section of the sealing groove is circular; a sealing ring is arranged inside the sealing groove in a matched manner; the sealing ring is a ring body, and the ring width is equal to that of the sealing groove.

Preferably, a valve plug is movably arranged between the connecting disc and the cover body; the valve plug comprises a plug body and a positioning column; the cross section of the plug body is circular; the center of one end of the plug body with a smaller cross section is fixedly provided with a positioning column; the radius of the end with the larger cross section of the plug body is larger than or equal to the radius of the outer ring of the sealing ring.

Preferably, one end of the cover body, which is far away from the connecting ring, is provided with a positioning hole and a drainage channel in a penetrating way; the radius of the positioning hole is equal to that of the positioning column; the cross section of the drainage channel is a fan-shaped ring, and the radius of the inner ring is equal to or smaller than the radius of the smaller end of the cross section of the plug body; the drainage channel is evenly provided with a plurality of along the circumference of locating hole.

Preferably, valve body, valve gap and valve plug all integrated into one piece.

Preferably, one end of the valve column, which is far away from the connecting disc, is provided with a thread.

Compared with the prior art, the beneficial effects of this application are:

(1) according to the vacuum pipe, the valve plug can move up and down, the valve plug tightly supports against the sealing ring when the vacuum pipe is in vacuum, the valve plug provides high-strength sealing performance by utilizing a vacuum environment, when the vacuum pipe is in a vacuum state, the vacuum pipe is equal to the external air pressure, the valve plug falls due to the gravity of the positioning column, and residual water drops can flow out through the drainage channel at the moment;

(2) this application is through setting up bulge loop and recess, because the material of valve body, valve gap and valve plug is PVC plastics, connection pad and go-between all have certain elasticity, use unsmooth design of connecting can very convenient and fast's installation, dismantle the valve gap, and change sealing washer that can be convenient, make the life increase of integrated device.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will become apparent from the following description.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is an exploded schematic view of an automatic water discharge valve according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of an exploded vertical sectional structure of an automatic drain valve according to an embodiment of the present disclosure;

fig. 3 is a schematic view of a vertical cross-sectional structure of an automatic drain valve according to an embodiment of the present application.

Reference numbers in the figures: 1. a valve body; 2. a valve cover; 3. a seal ring; 4. a valve plug; 5. a sealing groove;

11. a spool; 12. a connecting disc; 13. a water flow channel;

21. a connecting ring; 22. a cover body; 23. positioning holes; 24. a drainage channel;

41. a plug body; 42. a positioning column;

61. a convex ring; 62. and (4) a groove.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides an automatic drain valve, including a valve body 1, a valve cap 2, a sealing ring 3, and a valve plug 4; the valve body 1 comprises a valve column 11 and a connecting disc 12; the valve body 1 is provided with a water flow channel 13 which penetrates along the height direction; a connecting disc 12 is fixedly arranged at the center of one end of the valve column 11; a convex ring 61 is fixedly arranged at one end of the circumferential outer wall of the connecting disc 12, which is far away from the valve column 11;

the periphery of the connecting disc 12 is detachably provided with a valve cover 2; the valve cover 2 comprises a connecting ring 21 and a cover body 22; the connecting ring 21 is matched with the connecting disc 12; the thickness of the connecting ring 21 is equal to that of the connecting disc 12; a groove 62 is formed in one end, far away from the valve column 11, of the inner wall of the connecting ring 21 and matched with the convex ring 61; the connecting ring 21 is in concave-convex connection with the connecting disc 12; the end of the connection ring 21 away from the spool 11 is fixedly provided with a cover 22. In this embodiment, the valve body 1 is vertically installed below the vacuum pipeline, the water flow channel 13 inside the valve body 1 is in a bottle shape, and the bottle mouth is inclined, so that water drops can quickly fall on the plug body 41, the working efficiency is increased, the valve column 11 is divided into two sections as a whole, and the two sections are hollow cylinders with different radiuses, the connecting disc 12 and the connecting ring 21 are connected with the groove 62 through the convex ring 61, the outer wall of the convex ring 61 and the inner wall of the groove 62 are mutually tightly abutted when being buckled, the connecting ring 21 is fixedly provided with the cover body 22 at the center of the end, away from the valve column 11, of the connecting ring 21, and the cover body 22 is hollow.

In a preferred embodiment, one end of the connecting disc 12 close to the cover 22 is provided with a sealing groove 5; the cross section of the sealing groove 5 is circular; a sealing ring 3 is arranged inside the sealing groove 5 in a matched manner; the sealing ring 3 is a circular ring body, and the ring width is equal to that of the sealing groove 5.

Referring to fig. 1 to 3, in this embodiment, the sealing groove 5 and the sealing ring 3 ensure the sealing performance of the whole device, the sealing ring 3 is tightly clamped in the sealing groove 5, the sealing ring 3 is made of rubber, and can completely and well abut against the plug body 41, thereby ensuring the sealing performance in a vacuum environment.

In a preferred embodiment, the valve plug 4 is movably arranged between the connecting disc 12 and the cover body 22; the valve plug 4 comprises a plug body 41 and a positioning column 42; the cross section of the plug body 41 is circular; a positioning column 42 is fixedly arranged at the center of one end of the plug body 41 with a smaller cross section; the radius of the larger cross-sectional end of the plug body 41 is greater than or equal to the radius of the outer ring of the seal ring 3.

Referring to fig. 1 to 3, in the embodiment, the valve plug 4 is disposed between the connecting disc 12 and the cover 22 and is limited by the positioning post 42 and the positioning hole 23, so that the valve plug 4 only moves up and down, the plug body 41 tightly abuts against the sealing ring 3 when the vacuum pipe is in vacuum, when the vacuum pipe is in a vacuum state, the vacuum pipe is equal to the external air pressure, the plug body 41 falls, and the residual water drops flow out from the water flow channel 13 and then quickly slide down from the plug body 41 to the drainage channel 24.

In a preferred embodiment, one end of the cover 22 away from the connection ring 21 is provided with a positioning hole 23 and a drainage channel 24; the radius of the positioning hole 23 is equal to that of the positioning column 42; the cross section of the drainage channel 24 is a fan-shaped circular ring, and the radius of the inner ring is equal to or smaller than the radius of the smaller cross section end of the plug body 41; the drainage channels 24 are uniformly provided in plurality along the circumferential direction of the positioning hole 23.

Referring to fig. 1 to 3, in this embodiment, four drainage channels 24 are uniformly arranged, the drainage channels 24 are used for draining residual water, and the radius of the inner ring of the drainage channel 24 is equal to or smaller than the radius of the end of the plug body 41 with the smaller cross section, so that the design can ensure that water flows out normally and does not remain on the valve cover 2. The positioning hole 23 is matched with the positioning column 42, and the positioning column 42 can move up and down in the positioning hole 23.

In a preferred embodiment, the valve body 1, the bonnet 2 and the valve plug 4 are integrally formed.

Referring to fig. 1 to 3, in the embodiment, the valve body 1, the valve cap 2 and the valve plug 4 are integrally formed, and the valve body 1, the valve cap 2 and the valve plug 4 are made of PVC plastic.

In a preferred embodiment, the end of the spool 11 remote from the connecting disc 12 is threaded.

Referring to fig. 1 to 3, in this embodiment, the threaded end of the valve stem 11 can be threadedly connected to the opening of the vacuum pipe, so that the valve stem can be conveniently and quickly mounted and dismounted.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (6)

1. An automatic drain valve is characterized by comprising a valve body, a valve cover, a sealing ring and a valve plug; the valve body comprises a valve column and a connecting disc; the valve body is provided with a water flow channel in a penetrating way along the height direction; the connecting disc is fixedly arranged at the center of one end of the valve column; a convex ring is fixedly arranged at one end, far away from the valve column, of the circumferential outer wall of the connecting disc;

the valve cover is detachably arranged on the periphery of the connecting disc; the valve cover comprises a connecting ring and a cover body; the connecting ring is matched with the connecting disc; the thickness of the connecting ring is equal to that of the connecting disc; one end of the inner wall of the connecting ring, which is far away from the valve column, is provided with a groove matched with the convex ring; the connecting ring is in concave-convex connection with the connecting disc; the cover body is fixedly arranged at one end, far away from the valve column, of the connecting ring.

2. The automatic water discharge valve according to claim 1, wherein a sealing groove is formed at one end of the connecting disc close to the cover body; the cross section of the sealing groove is circular; the sealing ring is arranged in the sealing groove in a matched manner; the sealing ring is a ring body, and the ring width is equal to that of the sealing groove.

3. The automatic drain valve according to claim 2, wherein said valve plug is movably disposed between said connecting disc and said cover body; the valve plug comprises a plug body and a positioning column; the cross section of the plug body is circular; the positioning column is fixedly arranged at the center of one end of the plug body with a smaller cross section; the radius of the end with the larger cross section of the plug body is larger than or equal to the radius of the outer ring of the sealing ring.

4. The automatic water discharge valve according to claim 3, wherein a positioning hole and a water discharge channel are formed through one end of the cover body away from the connection ring; the radius of the positioning hole is equal to that of the positioning column; the cross section of the drainage channel is a fan-shaped circular ring, and the radius of the inner ring is equal to or smaller than the radius of the smaller end of the cross section of the plug body; the drainage channels are uniformly arranged along the circumferential direction of the positioning holes.

5. The automatic drain valve according to claim 4, wherein said valve body, said valve cover and said valve plug are integrally formed.

6. The automatic drain valve according to claim 5, wherein an end of said spool remote from said connecting disc is threaded.

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