阅读说明：本技术 一种h型单向阀 (H-shaped one-way valve ) 是由 赵栋 姜宝龙 刘涛 宋同健 崔桐林 祁佳林 于 2020-12-12 设计创作，主要内容包括：本发明揭示了一种H型单向阀,包括第一阀室件、第二阀室件、带槽内衬、内衬密封圈、阀体、阀体密封圈、弹簧和连接螺母；所述的第一阀室件包括第一进口端、第一出口端和第一阀室端,所述的第二阀室件包括第二进口端、第二出口端和第二阀室端；所述的第一阀室端和所述的第二阀室端配合起来形成阀室。本发明的H型单向阀不仅能用于单条管路中液体或者气体的防逆流,也能实现在并联管路中在满足一定条件下将两种介质混合使用的目的,且结构简单,成本低。(The invention discloses an H-shaped one-way valve which comprises a first valve chamber component, a second valve chamber component, a grooved lining, a lining sealing ring, a valve body sealing ring, a spring and a connecting nut, wherein the grooved lining is arranged on the first valve chamber component; said first valve chamber member including a first inlet end, a first outlet end and a first valve chamber end, said second valve chamber member including a second inlet end, a second outlet end and a second valve chamber end; the first valve chamber end and the second valve chamber end cooperate to form a valve chamber. The H-shaped one-way valve can be used for preventing liquid or gas in a single pipeline from flowing backwards, can also achieve the purpose of mixing two media in parallel pipelines under certain conditions, and has the advantages of simple structure and low cost.)

1. An H-shaped one-way valve is characterized by comprising a first valve chamber component, a second valve chamber component, a grooved lining, a lining sealing ring, a valve body sealing ring, a spring and a connecting nut; said first valve chamber member including a first inlet end, a first outlet end and a first valve chamber end, said second valve chamber member including a second inlet end, a second outlet end and a second valve chamber end; the first valve chamber end and the second valve chamber end cooperate to form a valve chamber.

2. An H-shaped one-way valve according to claim 1, wherein the first valve chamber component is T-shaped as a whole, the first inlet end, the first outlet end and the first valve chamber end are communicated with each other, the first inlet end and the first outlet end are interfaces for connecting external pipelines, the first valve chamber end is provided with a chamber for forming the valve chamber, and the outer side of the first valve chamber end is provided with threads or clamping grooves.

3. An H-shaped one-way valve according to claim 1, wherein the second valve chamber component is T-shaped as a whole, the second inlet end, the second outlet end and the second valve chamber end are communicated with each other, the second inlet end and the second outlet end are interfaces for connecting external pipelines, and the second valve chamber end is a cavity with grooves on the periphery and used for forming the valve chamber.

4. An H-shaped check valve according to claim 1, wherein said grooved inner liner is a hollow cylinder with holes at its periphery and is disposed in said first valve chamber end with its outer wall adjacent to the inner wall of said first valve chamber end.

5. The H-shaped check valve as claimed in claim 1, wherein the lining sealing ring is a rubber member, is sleeved outside the cavity with the groove on the periphery of the second valve chamber end, and is tightly attached to the end face of the lining with the groove.

6. An H-shaped check valve according to claim 1, wherein said valve body is of a configuration having a circular groove on one end face thereof, and is disposed in the middle of said grooved liner, proximate to the bottom of said chamber at said second valve chamber end.

7. An H-shaped check valve according to claim 1, characterized in that the valve body sealing ring is a rubber member and is arranged at a circular groove on the valve body to play a role of sealing.

8. An H-shaped check valve according to claim 1, characterized in that the spring is arranged between the second valve chamber end and the valve body, one end of the spring is connected with a cavity which is grooved around the second valve chamber end, and the other end of the spring is sleeved on the valve body to provide thrust for the valve body, so as to support the valve body to be tightly attached to the bottom of the cavity of the first valve chamber end in the valve chamber.

9. An H-shaped one-way valve according to claim 1, wherein the connecting nut is arranged outside the second valve chamber end, and the connecting nut is provided with a thread or a clamping groove for fixedly connecting the first valve chamber component and the second valve chamber component.

10. An H-shaped check valve according to claim 1, characterized in that, in an initial state, when a force generated by a pressure in a passage of said first valve chamber member is smaller than a thrust force of said spring, said valve body abuts against said first valve chamber end, and media passing through said first valve chamber member and said second valve chamber member flow in respective passages;

when the pressure of the medium in the channel of the first valve chamber component is increased and the generated force exceeds the thrust of the spring, the valve body moves towards the second valve chamber component, the medium in the first valve chamber component flows towards the second valve chamber component through the grooved lining under the action of high pressure, and flows out after being mixed with the medium in the second valve chamber component, so that the mixing of different media is realized.

Technical Field

The invention belongs to the technical field of one-way valves, and particularly relates to an H-shaped one-way valve.

Background

The existing check valves are of a straight-through type and a right-angle type, and are mainly used for preventing oil flow from flowing reversely in a hydraulic system or preventing compressed air from flowing reversely in a pneumatic system. A straight-through check valve comprises a valve body, a steel ball, a spring, an inlet end and an outlet end, wherein the inlet end and the outlet end are respectively arranged at two ends of the valve body, the spring is arranged in the valve body, and the steel ball is arranged on the left side of the spring. The straight-through check valve has the advantages that through controlling the movement of the steel ball, the pressure loss is small when liquid flows pass through, the sealing performance is good when the liquid flows are not communicated reversely, the action is sensitive, the work is stable and reliable, the structure of the straight-through check valve is simple, and the manufacturing cost is low. However, the check valve can only be used for preventing liquid or gas in a single pipeline from flowing backwards, and cannot realize the mixing of the liquid or the gas in parallel pipelines.

Therefore, in order to solve the above technical problems, it is necessary to provide an H-type check valve.

Disclosure of Invention

In view of the above, the present invention provides an H-shaped check valve, which is used to mix two media in parallel pipelines under certain conditions, and has a simple structure and low cost.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

an H-shaped one-way valve comprises a first valve chamber component, a second valve chamber component, a liner with a groove, a liner sealing ring, a valve body sealing ring, a spring and a connecting nut; said first valve chamber member including a first inlet end, a first outlet end and a first valve chamber end, said second valve chamber member including a second inlet end, a second outlet end and a second valve chamber end; the first valve chamber end and the second valve chamber end cooperate to form a valve chamber.

In one embodiment, the first valve chamber member is T-shaped as a whole, the first inlet port, the first outlet port and the first valve chamber end are communicated with each other, the first inlet port and the first outlet port are interfaces for connecting external pipelines, the first valve chamber end is provided with a chamber for forming the valve chamber, and the outer side of the first valve chamber end is provided with threads or a clamping groove.

In one embodiment, the second valve chamber member is generally T-shaped, the second inlet port, the second outlet port and the second valve chamber end are interconnected, the second inlet port and the second outlet port are ports for connecting external pipes, and the second valve chamber end is a cavity with grooves on the periphery for forming the valve chamber.

In one embodiment, the grooved liner is a hollow cylinder with holes around it and is placed inside the first valve chamber end with its outer wall adjacent to the inner wall of the first valve chamber end.

In one embodiment, the lining sealing ring is a rubber member, sleeved outside the cavity with the grooves formed around the second valve chamber end, and clings to the end surface of the lining with the grooves.

In one embodiment, the valve body is a structure with a circular groove on one end surface, and is arranged in the middle of the grooved lining and close to the bottom of the cavity at the end of the second valve chamber.

In one embodiment, the valve body sealing ring is a rubber piece and is arranged at the circular groove on the valve body to play a role in sealing.

In one embodiment, the spring is arranged between the second valve chamber end and the valve body, one end of the spring is connected to the cavity with the grooves formed around the second valve chamber end, and one end of the spring is sleeved on the valve body to provide thrust for the valve body and is used for supporting the valve body to be tightly attached to the bottom of the cavity of the first valve chamber end in the valve chamber.

In one embodiment, the connecting nut is arranged outside the second valve chamber end, and the connecting nut is provided with threads or a clamping groove for fixedly connecting the first valve chamber component and the second valve chamber component.

In one embodiment, in the H-shaped check valve, when the force generated by the pressure in the passage of the first valve chamber member is smaller than the thrust of the spring in the initial state, the valve body abuts against the first valve chamber end, and the media passing through the first valve chamber member and the second valve chamber member flow in the respective passages;

when the pressure of the medium in the channel of the first valve chamber component is increased and the generated force exceeds the thrust of the spring, the valve body moves towards the second valve chamber component, the medium in the first valve chamber component flows towards the second valve chamber component through the grooved lining under the action of high pressure, and flows out after being mixed with the medium in the second valve chamber component, so that the mixing of different media is realized.

Compared with the prior art, the invention has the following advantages:

the H-shaped one-way valve can be used for preventing liquid or gas in a single pipeline from flowing backwards, can also achieve the purpose of mixing two media in parallel pipelines under certain conditions, and has the advantages of simple structure and low cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic cross-sectional view of an H-shaped check valve according to an embodiment of the present invention;

fig. 2 is a schematic external structural diagram of an H-shaped check valve according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

Referring to fig. 1 and fig. 2, the invention discloses an H-shaped check valve, which comprises a first valve chamber component 1, a second valve chamber component 2, a grooved lining 3, a lining sealing ring 4, a valve body 5, a valve body sealing ring 6, a spring 7 and a connecting nut 8; said first valve chamber component 1 comprises a first inlet end 11, a first outlet end 12 and a first valve chamber end 13, said second valve chamber component 2 comprises a second inlet end 21, a second outlet end 22 and a second valve chamber end 23; the first valve chamber end 13 and the second valve chamber end 23 cooperate to form a valve chamber 9.

As a further improvement of the present invention, the first valve chamber member 1 is T-shaped as a whole, the first inlet end 11, the first outlet end 12 and the first valve chamber end 13 are communicated with each other, the first inlet end 11 and the first outlet end 12 are interfaces for connecting external pipelines, the first valve chamber end 13 is provided with a chamber for forming the valve chamber 9, and the outer side of the first valve chamber end 13 is provided with threads or a clamping groove.

As a further improvement of the present invention, the second valve chamber component 2 is T-shaped as a whole, the second inlet end 21, the second outlet end 22 and the second valve chamber end 23 are communicated with each other, the second inlet end 21 and the second outlet end 22 are interfaces for connecting external pipelines, and the second valve chamber end 23 is a cavity with grooves on the periphery for forming the valve chamber 9.

As a further improvement of the present invention, the grooved liner 3 is a hollow cylinder with holes at its periphery, and is placed in the first valve chamber end 13, and its outer wall is close to the inner wall of the first valve chamber end 13.

As a further improvement of the present invention, the lining sealing ring 4 is a rubber member, which is sleeved outside the cavity with the groove around the second valve chamber end 23 and is tightly attached to the end surface of the lining 3 with the groove.

As a further improvement of the present invention, the valve body 5 has a circular groove on one end surface, and is disposed in the middle of the grooved liner 3, near the bottom of the cavity of the second valve chamber end 23.

As a further improvement of the present invention, the valve body sealing ring 6 is a rubber member, and is disposed at the circular groove of the valve body 5 to play a role of sealing.

As a further improvement of the present invention, the spring 7 is disposed between the second valve chamber end 23 and the valve body 5, one end of the spring is connected to a cavity slotted around the second valve chamber end 23, and the other end of the spring is sleeved on the valve body 5 to provide a thrust for the valve body 5, so as to support the valve body 5 to be closely attached to the bottom of the chamber of the first valve chamber end 13 in the valve chamber 9.

As a further improvement of the present invention, the connecting nut 8 is disposed outside the second valve chamber end 23, and the connecting nut 8 is provided with a screw or a snap groove for fixedly connecting the first valve chamber member 1 and the second valve chamber member 2.

As a further improvement of the present invention, in the H-type check valve, when the force generated by the pressure in the passage of the first valve chamber member 1 is smaller than the urging force of the spring 7 in the initial state, the valve body 5 is in close contact with the first valve chamber end 13, and the media passing through the first valve chamber member 1 and the second valve chamber member 2 flow in the respective passages;

when the pressure of the medium in the passage of the first valve chamber component 1 increases and the generated force exceeds the thrust of the spring 7, the valve body 5 moves towards the second valve chamber component 2, the medium in the first valve chamber component 1 flows to the second valve chamber component 2 through the grooved lining 3 under the action of high pressure, and flows out after being mixed with the medium in the second valve chamber component 2, so that the mixing of different media is realized.

According to the technical scheme, the invention has the following beneficial effects:

the H-shaped one-way valve can be used for preventing liquid or gas in a single pipeline from flowing backwards, can also achieve the purpose of mixing two media in parallel pipelines under certain conditions, and has the advantages of simple structure and low cost.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.