CN220850879U

CN220850879U - Check valve and oxygenerator

Info

Publication number: CN220850879U
Application number: CN202322458066.2U
Authority: CN
Inventors: 秦忠南; 杨亮; 钟庆珊; 徐周波; 董世洋; 杜仲
Original assignee: Shenyang Nuoyi Medical Technology Co ltd
Current assignee: Shenyang Nuoyi Medical Technology Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-26
Anticipated expiration: 2033-09-11

Abstract

The utility model provides a one-way valve and an oxygenerator, wherein the one-way valve comprises: a housing having an overflow aperture; the valve body is arranged in the overflow hole so as to divide the channel in the overflow hole into an air inlet channel and an air outlet channel, and is provided with an orifice which is communicated with the air inlet channel and the air outlet channel; the elastic valve plate is arranged on the valve body and positioned at one side of the throttling hole, which is close to the air outlet channel, and is provided with a throttling position for opening the throttling hole and a closing position for blocking the throttling hole, and the elastic valve plate can be switched between the throttling position and the closing position under the action of air pressure. By applying the technical scheme of the utility model, the problems of more parts, complex structure and high cost of the check valve of the oxygenerator in the prior art can be effectively solved.

Description

Check valve and oxygenerator

Technical Field

The utility model relates to the field of oxygen generating devices, in particular to a one-way valve and an oxygen generator.

Background

There are many kinds of domestic oxygenerators in the market, and the use characteristics of each domestic oxygenerator are different due to the different principles of oxygen generation. The oxygen generation principle of the household oxygenerator is roughly divided into three types. A first, molecular sieve principle; a second, high molecular oxygen-enriched membrane principle; thirdly, a water electrolysis principle; fourth, the principle of oxygen production by chemical reaction. The molecular sieve oxygenerator is the only mature oxygenerator at present and is the only oxygenerator with international standards and national standards.

The throttle check valve in the traditional oxygenerator has more parts, more complex structure, larger volume and higher cost, and cannot meet new requirements.

Disclosure of utility model

The utility model mainly aims to provide a one-way valve and an oxygenerator, which are used for solving the problems of more one-way valve parts, complex structure and high cost of the oxygenerator in the prior art.

In order to achieve the above object, there is provided a check valve according to an aspect of the present utility model, including: a housing having an overflow aperture; the valve body is arranged in the overflow hole so as to divide the channel in the overflow hole into an air inlet channel and an air outlet channel, and is provided with an orifice which is communicated with the air inlet channel and the air outlet channel; the elastic valve plate is arranged on the valve body and positioned at one side of the throttling hole, which is close to the air outlet channel, and is provided with a throttling position for opening the throttling hole and a closing position for blocking the throttling hole, and the elastic valve plate can be switched between the throttling position and the closing position under the action of air pressure.

In other embodiments, the orifice has a pore size of between 0.1 and 1mm.

In other embodiments, the valve body is made of a metallic material.

In other embodiments, the valve body is provided with a receiving groove on one side close to the air outlet channel, the elastic valve plate is always positioned in the receiving groove, and the orifice is positioned at the bottom of the receiving groove.

In other embodiments, the valve body further includes a mounting hole disposed in spaced relation to the orifice, and the check valve further includes: the fixed handle penetrates through the mounting hole, and the elastic valve plate is fixed on the valve body through the fixed handle.

In other embodiments, the fixed handle is clamped on the valve body.

In other embodiments, the fixing handle and the elastic valve plate are integrally formed, and the fixing handle and the elastic valve plate are made of rubber or silica gel.

In other embodiments, the housing is made of rubber or silicone.

In other embodiments, an annular groove is provided on the inner wall of the housing, the annular groove is in interference fit with the valve body, or the housing is injection molded outside the valve body.

In other embodiments, a chamfer is provided at the junction of the channel wall of the gas outlet channel and the annular groove; and/or a chamfer is arranged at the joint of the channel wall of the air inlet channel and the annular groove.

According to another aspect of the present utility model, there is provided an oxygenerator comprising: the check valve is the check valve.

By applying the technical scheme of the utility model, fluid enters the one-way valve from the air inlet channel, then passes through the throttling hole, the throttling hole is used for controlling the fluid flow, the elastic valve plate is jacked to the throttling position by means of the fluid pressure, and then flows to the air outlet channel, so that the throttling function is realized. In the opposite direction, when the fluid flows from the air outlet channel, the elastic valve plate is tightly attached to the valve body under the action of the fluid pressure, so that the sealing is realized, the fluid cannot enter the air inlet channel through the air outlet channel, and the function of the one-way valve is realized. Therefore, by applying the technical scheme of the embodiment, the one-way valve only comprises three parts, each part is relatively simple and easy to process and assemble, the whole size can be adjusted according to the joint style, the use is convenient, the size is equivalent to the joint size, the one-way valve can be integrated into a pipeline, the occupied space of the valve body is greatly reduced, and the production cost is reduced.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic cross-sectional view of an embodiment of a one-way valve according to the present utility model;

FIG. 2 shows a schematic perspective view of the valve body of the check valve of FIG. 1; and

Fig. 3 is a schematic perspective view showing a part of the structure of an oxygenerator according to the present utility model.

Wherein the above figures include the following reference numerals:

90. a housing; 91. an overflow hole; 911. an air intake passage; 912. an air outlet channel; 92. an annular groove; 93. chamfering; 100. a valve body; 101. an orifice; 102. an accommodating groove; 103. a mounting hole; 110. an elastic valve plate; 120. a fixed handle; 130. a one-way valve.

Detailed Description

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

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are, for example, capable of operation in other environments. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As shown in fig. 1 and 2, the check valve of the present embodiment includes: housing 90, valve body 100, and resilient valve plate 110. Wherein the housing 90 has an overflow aperture 91. The valve body 100 is disposed in the overflow hole 91 to divide the channel in the overflow hole 91 into an inlet channel 911 and an outlet channel 912, and the valve body 100 is provided with an orifice 101, and the orifice 101 communicates with the inlet channel 911 and the outlet channel 912. The elastic valve plate 110 is disposed on the valve body 100 and located on a side of the orifice 101 near the air outlet channel 912, the elastic valve plate 110 has a throttling position for opening the orifice 101 and a closing position for blocking the orifice 101, and the elastic valve plate 110 can be switched between the throttling position and the closing position under the action of air pressure.

By applying the technical scheme of the embodiment, fluid enters the one-way valve from the air inlet channel 911, passes through the throttle hole 101, controls the fluid flow by using the throttle hole 101, and pushes the elastic valve plate 110 to the throttle position by means of the fluid pressure, so that the fluid flows to the air outlet channel 912, and the throttle function is realized. In the opposite direction, when fluid flows from the air outlet channel 912, the elastic valve plate 110 is tightly attached to the valve body 100 under the action of fluid pressure, so that sealing is realized, and the fluid cannot enter the air inlet channel 911 through the air outlet channel 912, so that the function of the one-way valve is realized. Therefore, by applying the technical scheme of the embodiment, the one-way valve only comprises three parts, each part is relatively simple and easy to process and assemble, the whole size can be adjusted according to the joint style, the use is convenient, the size is equivalent to the joint size, the one-way valve can be integrated into a pipeline, the occupied space of the valve body is greatly reduced, and the production cost is reduced.

In this embodiment, the orifice 101 has an aperture of between 0.1 and 1 mm. If the pore diameter is too small, smooth flow of fluid is affected, and if the pore diameter is too large, the throttling effect cannot be achieved. It should be noted that, the aperture of the orifice 101 may be machined according to actual requirements, and the machining accuracy may be determined according to the flow control requirements, and the position of the orifice should not be blocked by the housing 90, so that the fluid can smoothly circulate.

In the present embodiment, the valve body 100 is made of a metal material. The valve body 100 is made of hard materials such as metal, so that the machining precision of the throttle hole 101 is ensured, and the fluid flow is easier to control.

As shown in fig. 1 and 2, in the present embodiment, a receiving groove 102 is provided on a side of the valve body 100 close to the outlet channel 912, the elastic valve plate 110 is always located in the receiving groove 102, and the orifice 101 is located at a bottom of the receiving groove 102. Specifically, the "the elastic valve sheet 110 is always located in the accommodating recess 102" means that the elastic valve sheet 110 is always located in the accommodating recess 102 regardless of whether the elastic valve sheet 110 is located in the throttled position or the closed position. The above structure can prevent the elastic valve plate 110 from interfering with the inner wall of the housing 90 when changing positions, thereby avoiding the influence on the exhaust.

As shown in fig. 1 and 2, in the present embodiment, the valve body 100 further includes a mounting hole 103 provided at a distance from the orifice 101, and the check valve further includes: the fixing handle 120 is inserted into the mounting hole 103, and the elastic valve plate 110 is fixed to the valve body 100 through the fixing handle 120. The structure is simple and convenient to install.

As shown in fig. 1, in the present embodiment, the fixing handle 120 is clamped to the valve body 100. The structure is simple and convenient to install.

As shown in fig. 1, in the present embodiment, the fixing handle 120 and the elastic valve plate 110 are integrally formed, and the fixing handle 120 and the elastic valve plate 110 are made of rubber or silica gel. Specifically, the fixing handle 120 is provided with a protrusion, and during installation, the fixing handle 120 is extended into the installation hole 103, and due to the certain elasticity of the fixing handle 120, when the protrusion is penetrated out of the installation hole 103, the protrusion expands outwards, so that the fixing handle is clamped at the installation hole 103. The above structure can not only enable the elastic valve sheet 110 to be easily mounted on the valve body 100, but also ensure the sealability at the mounting hole 103. The mounting hole 103 is generally located at the center of the valve body 100 (may be adjusted according to the requirement), and the aperture is machined according to the fixing handle 120.

In this embodiment, the housing 90 is made of rubber or silicone. The structure ensures that the one-way valve is easy to be connected with an external joint (can be connected with a hard joint) and ensures the air tightness.

As shown in fig. 1 and 2, in the present embodiment, an annular groove 92 is provided on the inner wall of the housing 90, and the annular groove 92 is interference-fitted with the valve body 100. The structure can ensure that the clamping position of the valve body 100 is fixed, prevent the valve body 100 from moving in the axial direction of the housing 90, realize the close fitting of the housing 90 and the valve body 100, and realize the sealing. Of course, in other embodiments not shown in the drawings, the housing 90 may be directly injection molded outside the valve body 100, so as to provide better sealing.

As shown in fig. 1, a chamfer 93 is provided at the junction of the channel wall of the outlet channel 912 and the annular groove 92; the connection of the channel wall of the inlet channel 911 with the annular groove 92 is provided with a chamfer 93. The above structure facilitates the installation of the valve body 100. Of course, in other embodiments not shown in the figures, the chamfer 93 may be provided only at the junction of the channel wall of the outlet channel 912 and the annular groove 92 or only at the junction of the channel wall of the inlet channel 911 and the annular groove 92.

As shown in fig. 3, the present application also provides an oxygenerator, and an embodiment of the oxygenerator according to the present application includes: check valve 130, check valve 130 is the check valve described above. The one-way valve has the advantages of simple structure, small volume, realization of throttling function, easiness in processing, low cost and the like, so that the oxygenerator with the one-way valve also has the advantages.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A one-way valve, comprising:

a housing (90) having an overflow hole (91);

The valve body (100) is arranged in the overflow hole (91) so as to divide a channel in the overflow hole (91) into an air inlet channel (911) and an air outlet channel (912), the valve body (100) is provided with an orifice (101), and the orifice (101) is communicated with the air inlet channel (911) and the air outlet channel (912);

The elastic valve plate (110) is arranged on the valve body (100) and is positioned on one side of the throttle hole (101) close to the air outlet channel (912), the elastic valve plate (110) is provided with a throttle position for opening the throttle hole (101) and a closing position for blocking the throttle hole (101), and the elastic valve plate (110) can be switched between the throttle position and the closing position under the action of gas pressure.

2. A one-way valve according to claim 1, characterized in that the orifice (101) has a pore size of between 0.1 and 1 mm.

3. A non-return valve according to claim 1, characterized in that the valve body (100) is made of a metallic material.

4. The one-way valve according to claim 1, wherein a receiving groove (102) is provided on a side of the valve body (100) close to the air outlet channel (912), the elastic valve plate (110) is always located in the receiving groove (102), and the orifice (101) is located at a groove bottom of the receiving groove (102).

5. The one-way valve according to claim 1, wherein the valve body (100) further includes a mounting hole (103) provided at a distance from the orifice (101), the one-way valve further comprising:

The fixed handle (120) penetrates through the mounting hole (103), and the elastic valve plate (110) is fixed on the valve body (100) through the fixed handle (120).

6. The one-way valve of claim 5, wherein the fixed handle (120) is clamped to the valve body (100).

7. The one-way valve according to claim 5, wherein the fixing handle (120) and the elastic valve plate (110) are integrally formed, and the fixing handle (120) and the elastic valve plate (110) are made of rubber or silica gel.

8. A one-way valve according to claim 1, characterized in that the housing (90) is made of rubber or silicone.

9. The one-way valve according to claim 8, characterized in that an annular groove (92) is provided on the inner wall of the housing (90), the annular groove (92) being in interference fit with the valve body (100), or the housing (90) being injection molded outside the valve body (100).

10. The one-way valve according to claim 9, characterized in that a chamfer (93) is provided at the junction of the channel wall of the outlet channel (912) and the annular groove (92); and/or a chamfer (93) is arranged at the joint of the channel wall of the air inlet channel (911) and the annular groove (92).

11. An oxygenerator, comprising: a non-return valve (130), characterized in that the non-return valve (130) is a non-return valve according to any one of claims 1 to 10.