CN220727227U - High-pressure automatic air suction valve - Google Patents
High-pressure automatic air suction valve Download PDFInfo
- Publication number
- CN220727227U CN220727227U CN202322298537.8U CN202322298537U CN220727227U CN 220727227 U CN220727227 U CN 220727227U CN 202322298537 U CN202322298537 U CN 202322298537U CN 220727227 U CN220727227 U CN 220727227U
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- Prior art keywords
- suction valve
- pressure
- air suction
- hole
- spring
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000008358 core component Substances 0.000 claims description 14
- 239000000306 component Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Abstract
The utility model belongs to the field of suction valves, and particularly relates to a high-pressure automatic suction valve which comprises a valve body assembly, a valve core assembly and a reset assembly; the valve body assembly comprises an air suction valve body and an air suction valve seat; the air suction valve body is arranged at the top of the air suction valve seat. When the pressure in the valve core assembly is larger than the external pressure, the valve core assembly is in close contact with the limiting hole, the air suction valve is in a sealing state, and mediums in the high-pressure container and the high-pressure pipeline cannot leak outwards due to the pressure; when the medium in the container is pumped and emptied, or the medium in the pipeline is sprayed and emptied, vacuum or negative pressure is generated in the sealed interior of the container, the pressure in the valve core assembly is smaller than the external pressure, the valve core assembly is quickly pushed inwards by the external atmospheric pressure, at the moment, the suction valve is not in a sealed state, and the external atmosphere is communicated with the interior, so that vacuum and negative pressure are not generated in the high-pressure container or the high-pressure pipeline, the high-pressure container or the high-pressure pipeline is protected, and the high-pressure container or the high-pressure pipeline cannot be deformed or broken by the atmospheric pressure.
Description
Technical Field
The utility model belongs to the field of suction valves, and particularly relates to a high-pressure automatic suction valve.
Background
In some high-pressure containers or high-pressure pipelines, the high-pressure containers or the high-pressure pipelines are in a sealed state during normal operation, the working pressure is relatively high, when the medium in the containers is pumped and emptied, or when the medium in the pipelines is sprayed and emptied, vacuum or negative pressure is generated in the sealed interiors, the high-pressure containers or the high-pressure pipelines are required to have a rapid air suction function, the interiors are not subjected to vacuum or negative pressure, and otherwise, the sealed containers or the pipelines can be deformed or broken by the pressure of the atmosphere under the vacuum or the negative pressure.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a high-pressure automatic suction valve, which solves the problems that in some high-pressure containers or high-pressure pipelines, the high-pressure containers or the high-pressure pipelines are in a sealing state during normal operation and have higher working pressure, when the medium in the containers is sucked and emptied or the medium in the pipelines is sprayed and emptied, the sealed interior of the high-pressure containers or the high-pressure pipelines generates vacuum or negative pressure, the high-pressure containers and the high-pressure pipelines are required to have a rapid suction function, the interior of the high-pressure containers or the high-pressure pipelines is not enabled to generate vacuum or negative pressure, and otherwise, the sealed containers or the pipelines can be deformed or broken by the pressure of the atmosphere under the vacuum or the negative pressure.
The utility model provides a high-pressure automatic suction valve, which comprises a valve body assembly, a valve core assembly and a reset assembly;
the valve body assembly comprises an air suction valve body and an air suction valve seat;
the air suction valve body is arranged at the top of the air suction valve seat;
an annular sealing ring a is arranged between the air suction valve body and the air suction valve seat, and the air suction valve body is connected to the top of the air suction valve seat in an interference manner through the annular sealing ring a;
a sliding hole and a limiting hole are formed in the air suction valve body and the air suction valve seat;
the limiting hole is positioned above the sliding hole and communicated with the sliding hole;
the valve core component is movably arranged in the sliding hole, and part of the valve core component is positioned in the limiting hole;
the reset component is arranged in the sliding hole and is used for propping against the valve core component.
According to the high-pressure automatic air suction valve, when the high-pressure container or the high-pressure pipeline is in a normal working state, the medium pressure in the high-pressure container and the high-pressure pipeline and the elastic force of the reset component push the valve core component outwards, the pressure in the valve core component is higher than the external pressure, the valve core component is in close contact with the limiting hole, and at the moment, the air suction valve is in a sealing state, so that the medium in the high-pressure container and the high-pressure pipeline cannot leak outwards due to the pressure;
when the medium in the container is pumped and emptied, or the medium in the pipeline is sprayed and emptied, vacuum or negative pressure is generated in the sealed interior of the container, the pressure in the valve core assembly is smaller than the external pressure, the valve core assembly is quickly pushed inwards by the external atmospheric pressure, at the moment, the suction valve is not in a sealed state, and the external atmosphere is communicated with the interior, so that vacuum and negative pressure are not generated in the high-pressure container or the high-pressure pipeline, the high-pressure container or the high-pressure pipeline is protected, and the high-pressure container or the high-pressure pipeline cannot be deformed or broken by the atmospheric pressure.
As a preferable scheme of the utility model, the valve core assembly comprises a sliding part, a conical part and an annular sealing ring b;
the sliding part is slidably clamped in the sliding hole;
the conical part is fixedly arranged at the top of the sliding part;
the annular sealing ring b is sleeved on the periphery of the conical part, an annular groove matched with the annular sealing ring b is formed in the periphery of the conical part, and part of the annular sealing ring b protrudes out of the annular groove.
As a preferred aspect of the present utility model, the reset assembly includes a spring;
the spring is mounted in the sliding hole.
As a preferable scheme of the utility model, an annular limiting part is arranged in the sliding hole, one end of the spring is fixedly arranged at the top of the annular limiting part, and the other end of the spring is fixedly arranged at the bottom of the sliding part.
As a preferable mode of the utility model, the sliding part is provided with a plurality of vent holes.
As a preferable mode of the utility model, the conical part is positioned in the limit hole.
In a preferred embodiment of the present utility model, the diameter of the spring is smaller than the diameter of the sliding hole, and the central axis of the spring coincides with the central axis of the sliding hole.
As a preferable scheme of the utility model, the air suction valve body is provided with a plurality of diversion holes, and the diversion holes are communicated with the limiting holes.
As a preferable scheme of the utility model, the limit hole comprises an opening and closing state and a closing state;
the opening and closing state is that air pressure pushes the conical part away from the limiting hole, and at the moment, the conical part is far away from the limiting hole;
the closed state is that the conical part is abutted against the outer wall of the limiting hole.
As a preferred aspect of the present utility model, the spring includes a compressed state and a normal state;
when the limiting hole is in an opening and closing state, the spring is in a compression state;
and when the limiting hole is in a normal state, the spring is in a normal state.
The high-pressure automatic suction valve provided by the embodiment has the following beneficial effects:
1. when the high-pressure container or the high-pressure pipeline is in a normal working state, the medium pressure in the high-pressure container and the high-pressure pipeline and the elasticity of the spring push the sliding part and the conical part outwards, the pressure in the valve core assembly is higher than the external pressure, the conical part is in close contact with the inner wall of the limiting hole, the sealing performance of the conical part in the limiting hole is enhanced through the annular sealing ring b, the air suction valve is in a sealing state at the moment, the medium in the high-pressure container and the high-pressure pipeline cannot leak outwards due to the pressure, and the overall sealing performance is good.
2. When the medium in the container is pumped and emptied, or the medium in the pipeline is sprayed and emptied, vacuum or negative pressure is generated in the sealed interior of the container, the pressure in the valve core assembly is smaller than the external pressure, the sliding part and the cone-shaped part core are rapidly pushed inwards by the external atmospheric pressure, the cone-shaped part is far away from the limiting hole, the air suction valve is not in a sealing state, and the external atmosphere is communicated with the interior, so that vacuum and negative pressure are not generated in the high-pressure container or the high-pressure pipeline, the high-pressure container or the high-pressure pipeline is protected, and the high-pressure container or the high-pressure pipeline is not deformed or broken by the atmospheric pressure.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic cross-sectional view of a valve cartridge assembly of the present utility model;
fig. 3 is a schematic structural view of the vent hole of the present utility model.
The accompanying drawings: 1. an air suction valve body; 2. a suction valve seat; 201. a sliding hole; 2011. a limit part; 202. a limiting hole; 3. an annular sealing ring a; 4. a sliding part; 401. a vent hole; 5. a tapered portion; 6. an annular sealing ring b; 7. a spring; 8. and a deflector hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to FIGS. 1-3, an embodiment of the present utility model provides a high pressure automatic suction valve, comprising a valve body assembly, a valve core assembly and a reset assembly;
the valve body assembly comprises an air suction valve body 1 and an air suction valve seat 2;
the air suction valve body 1 is arranged at the top of the air suction valve seat 2;
an annular sealing ring a 3 is arranged between the air suction valve body 1 and the air suction valve seat 2, and the air suction valve body 1 is connected to the top of the air suction valve seat 2 in an interference manner through the annular sealing ring a 3;
a sliding hole 201 and a limiting hole 202 are formed in the air suction valve body 1 and the air suction valve seat 2;
the limiting hole 202 is positioned above the sliding hole 201 and is communicated with the sliding hole 201;
the valve core component is movably arranged in the sliding hole 201, and the valve core component is partially positioned in the limiting hole 202;
the reset assembly is installed in the sliding hole 201, and the reset assembly is used for supporting the valve core assembly.
Specifically, when the high-pressure container or the high-pressure pipeline is in a normal working state, the medium pressure in the high-pressure container and the high-pressure pipeline and the elastic force of the reset component push the valve core component outwards, the pressure in the valve core component is higher than the external pressure, the valve core component is in close contact with the limiting hole 202, the air suction valve is in a sealing state, and the medium in the high-pressure container and the high-pressure pipeline cannot leak outwards due to the pressure.
When the medium in the container is pumped and emptied, or the medium in the pipeline is sprayed and emptied, vacuum or negative pressure is generated in the sealed interior of the container, the pressure in the valve core assembly is smaller than the external pressure, the valve core assembly is quickly pushed inwards by the external atmospheric pressure, at the moment, the suction valve is not in a sealed state, and the external atmosphere is communicated with the interior, so that vacuum and negative pressure are not generated in the high-pressure container or the high-pressure pipeline, the high-pressure container or the high-pressure pipeline is protected, and the high-pressure container or the high-pressure pipeline cannot be deformed or broken by the atmospheric pressure.
When the valve element assembly is far away from the limiting hole 202, the limiting hole 202 is opened, and gas flows into the gas suction valve body 1 through the limiting hole 202, so that the valve element assembly cannot block the gas flow.
In one embodiment, the valve core assembly comprises a sliding part 4, a conical part 5 and an annular sealing ring b 6;
the sliding part 4 is slidably clamped in the sliding hole 201;
the conical part 5 is fixedly arranged at the top of the sliding part 4;
the annular sealing ring b6 is sleeved on the periphery of the conical part 5, an annular groove matched with the annular sealing ring b6 is formed in the periphery of the conical part 5, and part of the annular sealing ring b6 protrudes out of the annular groove.
Specifically, the reset component drives the sliding part 4 to move, so that the conical part 5 is driven to tightly prop against the outer wall of the limiting hole 202, tightness after tightly propping is ensured through the annular sealing ring b6, and external air flow is prevented from entering.
It should be noted that, the periphery of the taper portion 5 is made of an elastic material, and when the taper portion 5 is tightly pressed against the inner wall of the limiting hole 202, the elastic material is tightly pressed against the inner wall of the limiting hole 202, so that the overall tightness is enhanced.
In one embodiment, the return assembly comprises a spring 7;
the spring 7 is mounted in the sliding hole 201.
Specifically, the tapered portion 5 is urged by the spring 7.
In one embodiment, an annular limiting portion 2011 is disposed in the sliding hole 201, one end of the spring 7 is fixedly disposed at the top of the annular limiting portion 2011, and the other end of the spring 7 is fixedly disposed at the bottom of the sliding portion 4.
Specifically, the spring 7 generates a certain pressure to the tapered portion 5 through the limiting portion 2011, and when the spring 7 abuts the tapered portion 5 in the limiting hole 202, the elastic force of the spring 7 is in a normal state.
It should be noted that the elastic force of the spring 7 is much greater than the gravity of the sliding portion 4 and the tapered portion 5, so that the tapered portion 5 still abuts against the inner wall of the limiting hole 202 when the spring 7 is in a normal state.
In one embodiment, the sliding portion 4 is provided with a plurality of ventilation holes 401.
Specifically, when the taper portion 5 is far away from the limiting hole 202, the ventilation hole 401 facilitates the circulation of air flow, and the taper portion 5 does not affect the exhaust and intake of the ventilation hole 401.
In one embodiment, the taper portion 5 is located in the limiting hole 202;
the diameter of the spring 7 is smaller than that of the sliding hole 201, and the central axis of the spring 7 coincides with the central axis of the sliding hole 201;
a plurality of diversion holes 8 are formed in the air suction valve body 1, and the diversion holes 8 are communicated with the limiting holes 202;
the limiting hole 202 comprises an opening state and a closing state;
the opening and closing state is that the air pressure pushes the conical part 5 away from the limiting hole 202, and at this time, the conical part 5 is far away from the limiting hole 202;
the closed state is that the conical part 5 is abutted against the outer wall of the limit hole 202;
the spring 7 includes a compressed state and a normal state;
when the limiting hole 202 is in an open-close state, the spring 7 is in a compressed state;
when the limiting hole 202 is in a normal state, the spring 7 is in a normal state.
Specifically, when the limiting hole 202 is in the open-close state, the spring 7 is pressed by the tapered portion 5 to be in the compressed state, and when the tapered portion 5 is not pressed by the air flow, the elastic force of the spring 7 is larger than the gravity of the tapered portion 5 and the sliding portion 4, so that the tapered portion 5 is again pressed against the inner wall of the limiting hole 202.
The return member may be a spring 7 or other elastic member, and is not limited to one type.
The working principle of the utility model is as follows:
when the high-pressure container or the high-pressure pipeline is in a normal working state, the medium pressure in the high-pressure container and the high-pressure pipeline and the elasticity of the spring 7 push the sliding part 4 and the conical part 5 outwards, the pressure in the valve core assembly is higher than the external pressure, the conical part 5 is tightly contacted with the inner wall of the limiting hole 202, the sealing performance of the conical part 5 in the limiting hole 202 is enhanced through the annular sealing ring b6, at the moment, the air suction valve is in a sealing state, the medium in the high-pressure container and the high-pressure pipeline cannot leak outwards due to the pressure, and the overall sealing performance is good;
when the medium in the container is pumped and emptied, or the medium in the pipeline is sprayed and emptied, vacuum or negative pressure is generated in the sealed interior of the container, the pressure in the valve core assembly is smaller than the external pressure, the sliding part 4 and the conical part 5 are rapidly pushed inwards by the external atmospheric pressure, the conical part 5 is far away from the limiting hole 202, the air suction valve is not in a sealed state, and the external atmosphere is communicated with the interior, so that vacuum and negative pressure are not generated in the high-pressure container or the high-pressure pipeline, the high-pressure container or the high-pressure pipeline is protected, and the high-pressure container or the high-pressure pipeline is not deformed or broken by the atmospheric pressure.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The high-pressure automatic suction valve is characterized by comprising a valve body assembly, a valve core assembly and a reset assembly;
the valve body assembly comprises an air suction valve body and an air suction valve seat;
the air suction valve body is arranged at the top of the air suction valve seat;
an annular sealing ring a is arranged between the air suction valve body and the air suction valve seat, and the air suction valve body is connected to the top of the air suction valve seat in an interference manner through the annular sealing ring a;
a sliding hole and a limiting hole are formed in the air suction valve body and the air suction valve seat;
the limiting hole is positioned above the sliding hole and communicated with the sliding hole;
the valve core component is movably arranged in the sliding hole, and part of the valve core component is positioned in the limiting hole;
the reset component is arranged in the sliding hole and is used for propping against the valve core component.
2. A high pressure automatic suction valve according to claim 1, wherein,
the valve core assembly comprises a sliding part, a conical part and an annular sealing ring b;
the sliding part is slidably clamped in the sliding hole;
the conical part is fixedly arranged at the top of the sliding part;
the annular sealing ring b is sleeved on the periphery of the conical part, an annular groove matched with the annular sealing ring b is formed in the periphery of the conical part, and part of the annular sealing ring b protrudes out of the annular groove.
3. A high pressure automatic suction valve according to claim 2, wherein,
the reset assembly includes a spring;
the spring is mounted in the sliding hole.
4. A high pressure automatic suction valve according to claim 3, wherein,
an annular limiting part is arranged in the sliding hole, one end of the spring is fixedly arranged at the top of the annular limiting part, and the other end of the spring is fixedly arranged at the bottom of the sliding part.
5. A high pressure automatic suction valve according to claim 3, wherein,
the sliding part is provided with a plurality of vent holes.
6. A high pressure automatic suction valve according to claim 2, wherein,
the conical part is positioned in the limit hole.
7. A high pressure automatic suction valve according to claim 4, wherein,
the diameter of the spring is smaller than that of the sliding hole, and the central axis of the spring coincides with the central axis of the sliding hole.
8. A high-pressure automatic suction valve according to any of claims 1 to 7, characterized in that,
the air suction valve body is provided with a plurality of guide holes which are communicated with the limiting holes.
9. A high pressure automatic suction valve according to claim 2, wherein,
the limiting hole comprises an opening and closing state and a closing state;
the opening and closing state is that air pressure pushes the conical part away from the limiting hole, and at the moment, the conical part is far away from the limiting hole;
the closed state is that the conical part is abutted against the outer wall of the limiting hole.
10. A high pressure automatic suction valve according to claim 3, wherein,
the spring comprises a compressed state and a normal state;
when the limiting hole is in an opening and closing state, the spring is in a compression state;
and when the limiting hole is in a normal state, the spring is in a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298537.8U CN220727227U (en) | 2023-08-25 | 2023-08-25 | High-pressure automatic air suction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298537.8U CN220727227U (en) | 2023-08-25 | 2023-08-25 | High-pressure automatic air suction valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727227U true CN220727227U (en) | 2024-04-05 |
Family
ID=90492981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322298537.8U Active CN220727227U (en) | 2023-08-25 | 2023-08-25 | High-pressure automatic air suction valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727227U (en) |
-
2023
- 2023-08-25 CN CN202322298537.8U patent/CN220727227U/en active Active
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