CN210830616U - Vertical one-way valve - Google Patents
Vertical one-way valve Download PDFInfo
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- CN210830616U CN210830616U CN201921640949.2U CN201921640949U CN210830616U CN 210830616 U CN210830616 U CN 210830616U CN 201921640949 U CN201921640949 U CN 201921640949U CN 210830616 U CN210830616 U CN 210830616U
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Abstract
The utility model relates to a vertical one-way valve, which comprises a valve body, a spherical valve clack and a valve seat, wherein the valve body is internally provided with a valve cavity, the spherical valve clack is arranged in the valve cavity, and the valve seat is matched with the spherical valve clack and is in sealing connection; the valve body comprises an upper valve body provided with a fluid outlet and a lower valve body provided with a fluid inlet; the valve seat is arranged at the fluid inlet; an accommodating groove for accommodating the spherical valve clack is formed in the position, right above the fluid inlet, of the upper valve body; the spherical valve clack and the valve seat are made of magnetic materials, and the spherical valve clack resets through magnetic force and is in contact sealing with the valve seat. Compared with the prior art, the utility model has the advantages of simple structure, part are small in quantity, convenient assembly, the reliability is high, longe-lived.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a vertical one-way valve.
Background
The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. The check valve belongs to the automatic valve class, relies on the medium power sealed. No matter the valve clack is of swing type, piston type, spring type and the like, the valve clack of the one-way valve needs a guide mechanism to limit the degree of freedom of the valve clack and enable the valve clack to effectively and accurately reset under the action of medium force. The check valve using the spring is greatly influenced by the material characteristics, the heat treatment process and the like of the spring, the medium applicability, the service life of the check valve and the like. The valve using the nonmetal sealing element needs to select the sealing elements made of different materials according to different media, temperatures and the like, and the temperature range of the nonmetal sealing element is far smaller than that of metal.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a vertical one-way valve without a spring and a non-metal sealing element.
The purpose of the invention can be realized by the following technical scheme:
a vertical one-way valve comprises a valve body, a spherical valve clack and a valve seat, wherein a valve cavity is formed in the valve body, the spherical valve clack is arranged in the valve cavity, and the valve seat is matched with the spherical valve clack in a sealing connection mode; the valve body comprises an upper valve body provided with a fluid outlet and a lower valve body provided with a fluid inlet; the valve seat is arranged at the fluid inlet; an accommodating groove for accommodating the spherical valve clack is formed in the position, right above the fluid inlet, of the upper valve body; the spherical valve clack and the valve seat are made of magnetic materials, and the spherical valve clack resets through magnetic force and is in contact sealing with the valve seat.
The spherical valve clack and the valve seat are made of permanent magnet materials; the valve body is made of nonmagnetic materials which cannot be magnetically adsorbed.
The valve body is made of austenitic stainless steel.
The accommodating groove is a spherical groove matched with the spherical valve clack in shape.
The fluid outlet comprises an outlet pipeline interface, a fluid outlet main channel and a branch channel connected with the side part of the fluid outlet main channel, wherein the outlet pipeline interface is communicated with the fluid outlet main channel; the branch passage is communicated with the valve cavity.
The two branch passages are symmetrically arranged at two sides of the main fluid outlet passage; the accommodating groove is positioned between the two branch passages.
The upper valve body and the lower valve body are fixedly connected through threads, and the upper valve body and the lower valve body are sealed through a first metal hard sealing surface arranged on the end face of the upper valve body.
And the valve seat is provided with a mounting hole, and a fastener penetrates through the mounting hole to fixedly connect the valve seat with the lower valve body.
And a second metal hard sealing surface is arranged on the lower valve body and is in sealing connection with the lower end surface of the valve seat.
And a third metal hard sealing surface is arranged at the contact part of the valve seat and the spherical valve clack, and the third metal hard sealing surface is connected with the spherical valve clack in a sealing way.
The working process of the vertical one-way valve is as follows:
when the check valve is ventilated, air flows from the fluid inlet of the lower valve body to the fluid outlet of the upper valve body, the spherical valve clack and the valve seat are separated by airflow force, the fluid inlet channel is opened, the spherical valve clack falls into the spherical groove and cannot be blown to other positions of the cavity by the airflow, and the airflow passes through the branch channel and the fluid outlet main channel and then flows out from the outlet pipeline interface;
when the check valve is not ventilated, the spherical valve clack resets under the mutual magnetic force action of the spherical valve clack and the valve seat, a seal is formed at the third metal hard seal surface, and the seal is effectively sealed under the action of medium force.
Compared with the prior art, the invention has the following advantages:
(1) the vertical one-way valve is a spring-free one-way valve, the number of parts is small, all negative impressions caused by the spring are effectively solved, the temperature applicability and the medium applicability of the vertical one-way valve are improved, and the service life and the reliability of the one-way valve are improved;
(2) the vertical one-way valve does not adopt any non-metallic sealing element and can be suitable for a system containing hydrogen, so that the one-way valve has excellent medium applicability, temperature applicability and service life, does not need any daily maintenance, has wide application range and higher reliability;
(3) the valve clack of the vertical one-way valve is free of a spring and a guide mechanism, medium flows more stably, and pressure and flow loss of the one-way valve are extremely low;
(4) the adopted spherical valve clack has excellent guidance, can automatically sit at the center, does not have the phenomena of deflection, blocking and the like, and further improves the reliability of the product.
Drawings
FIG. 1 is a schematic view of the present invention in a venting state;
FIG. 2 is a schematic structural view of the present invention in an airless state;
in the figure, 1 is an upper valve body, 11 is an outlet pipeline interface, 12 is a main fluid outlet channel, 13 is a first thread, 14 is a first metal hard sealing surface, 15 is a spherical groove, 16 is a branch channel, 2 is a lower valve body, 21 is a fluid inlet, 22 is a second thread, 23 is a second metal hard sealing surface, 3 is a spherical valve flap, 4 is a valve seat, 41 is a third metal hard sealing surface, and 42 is a mounting hole.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Examples
A vertical check valve, as shown in fig. 1 and 2, comprises a valve body with a valve cavity inside, a spherical valve clack 3 arranged inside the valve cavity, and a valve seat 4 matched with the spherical valve clack 3 and connected in a sealing way; the valve body comprises an upper valve body 1 provided with a fluid outlet and a lower valve body 2 provided with a fluid inlet 21, the upper valve body 1 and the lower valve body 2 are fixedly connected through a first thread 13, and the upper valve body 1 and the lower valve body 2 are sealed through a first metal hard sealing surface 14 arranged on the end surface of the upper valve body 1; the valve seat 4 is arranged at the fluid inlet 21, and the upper valve body 1 is provided with an accommodating groove for accommodating the spherical valve clack 3 at the position right above the fluid inlet 21, and the accommodating groove is a spherical groove 15 matched with the spherical valve clack 3 in shape; the spherical valve clack 3 and the valve seat 4 are made of magnetic materials, the spherical valve clack 3 is reset through magnetic force and is in contact seal with the valve seat 4, and specifically, the spherical valve clack 3 and the valve seat 4 are made of permanent magnet materials; the valve body is made of a non-magnetic material, and can be made of a material which is not adsorbed by the magnet, such as austenitic stainless steel.
The fluid outlet of the upper valve body 1 comprises an outlet pipeline interface 11, a fluid outlet main channel 12 and a branch channel 16 connected with the side of the fluid outlet main channel 12; the bypass passage 16 communicates with the valve chamber. Moreover, two branch passages 16 are symmetrically arranged at two sides of the main fluid outlet passage 12; the receiving recess is located intermediate the two branch passages 16.
The valve seat 4 is firstly installed on the lower valve body 2 through the second threads 22, the valve seat 4 is provided with an installation hole 42, and a fastener penetrates through the installation hole 42 to tightly connect the valve seat 4 and the lower valve body 2 to complete the assembly of the two; and a second metal hard sealing surface 23 is arranged on the lower valve body 2, and the second metal hard sealing surface 23 is connected with the lower end surface of the valve seat 4 in a sealing manner, so that effective sealing is realized between the lower valve body 2 and the valve seat 4. The contact part of the valve seat 4 and the spherical valve flap 3 is provided with a third metal hard sealing surface 41, and the third metal hard sealing surface 41 is connected with the spherical valve flap 3 in a sealing way, so that effective sealing between the valve seat 4 and the spherical valve flap 3 is realized. In this embodiment, the outlet pipe interface 11 on the upper valve body 1 and the fluid inlet 21 on the lower valve body 2 are standard female screw interfaces conforming to SAE J1926-1, and can be connected with external pipes.
The use process of the vertical check valve of the embodiment is as follows:
as shown in fig. 1, when the check valve is ventilated, gas flows from the fluid inlet 21 of the lower valve body 2 to the fluid outlet of the upper valve body 1, the ball-shaped valve flap 3 and the valve seat 4 are separated by the force of the gas flow, the fluid inlet passage is opened, the ball-shaped valve flap 3 falls into the ball-shaped groove 4 and cannot be blown to other positions of the cavity by the gas flow, and the gas flow passes through the branch passage 16 and the fluid outlet main passage 12 and then flows out from the outlet pipeline interface 11;
as shown in fig. 2, when the check valve is not in air-vent state, the spherical valve flap 3 is reset under the mutual magnetic force action of the spherical valve flap and the valve seat 4, a seal is formed at the third metal hard seal surface 41, and the seal is effective under the action of medium force.
The one-way valve of the embodiment adopts magnetic force reset to replace a traditional spring mechanism, has no negative effects of a spring, and has long service life and high reliability; the upper valve body and the lower valve body are designed to be matched with the spherical valve clack, so that the structure is simple, the number of parts is small, only 4 parts are needed, the manufacturability is strong, and the reliability is high; the whole one-way valve does not adopt any non-metallic sealing element, has excellent medium applicability, temperature applicability and service life, does not need any non-metallic sealing element adopted in the prior art for daily maintenance, has extremely high requirements on medium and temperature, belongs to a consumable product and has the defect of aging; the spherical valve clack is adopted, a spring and a guide mechanism are not arranged in the valve body, the medium flow is more stable, and the pressure and flow loss of the one-way valve are extremely low; the spherical valve clack has excellent guidance, can automatically sit at the center, does not have the phenomena of deflection, blockage and the like, further improves the reliability of products, and can be used for hydrogen fuel cell automobiles, instruments, chemical engineering, automobiles, semiconductors and the like.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A vertical one-way valve comprises a valve body, a spherical valve clack (3) and a valve seat (4), wherein a valve cavity is formed in the valve body, the spherical valve clack (3) is arranged in the valve cavity, and the valve seat (4) is matched with the spherical valve clack (3) in a sealing connection mode; the valve body comprises an upper valve body (1) provided with a fluid outlet and a lower valve body (2) provided with a fluid inlet (21); the valve seat (4) is arranged at the fluid inlet (21); it is characterized in that the preparation method is characterized in that,
an accommodating groove for accommodating the spherical valve clack (3) is formed in the position, located right above the fluid inlet (21), of the upper valve body (1);
the spherical valve clack (3) and the valve seat (4) are made of magnetic materials, and the spherical valve clack (3) resets through magnetic force and is in contact sealing with the valve seat (4).
2. A vertical check valve according to claim 1, characterized in that the spherical valve flap (3) and the valve seat (4) are of permanent magnet material; the valve body is made of nonmagnetic materials which cannot be magnetically adsorbed.
3. The vertical check valve as claimed in claim 2, wherein the valve body is made of austenitic stainless steel.
4. A one-way valve of the vertical type according to claim 1, characterized in that said housing recess is a spherical recess (15) matching the shape of said spherical flap (3).
5. A vertical check valve according to claim 1, characterized in that said fluid outlet comprises a communicating outlet pipe connection (11), a fluid outlet main channel (12), and a branch channel (16) connected to the side of said fluid outlet main channel (12); the bypass passage (16) communicates with the valve chamber.
6. A vertical check valve according to claim 5, characterized in that said branch passages (16) are provided in two, symmetrically disposed on either side of said main fluid outlet passage (12); the receiving recess is located in the middle of the two branch channels (16).
7. A vertical check valve according to claim 1, characterized in that the upper valve body (1) and the lower valve body (2) are fixedly connected by screw threads, and the upper valve body (1) and the lower valve body (2) are sealed by a first metal hard sealing surface (14) arranged on the end surface of the upper valve body (1).
8. A vertical check valve according to claim 1, characterized in that the valve seat (4) is provided with mounting holes (42), and a fastening member passes through the mounting holes (42) to fasten the valve seat (4) and the lower valve body (2).
9. A vertical check valve according to claim 8, characterized in that the lower valve body (2) is provided with a second metal hard sealing surface (23), and the second metal hard sealing surface (23) is connected with the lower end surface of the valve seat (4) in a sealing way.
10. A vertical check valve according to claim 1, characterized in that the contact area of the valve seat (4) and the spherical valve flap (3) is provided with a third metal hard sealing surface (41), and the third metal hard sealing surface (41) is connected with the spherical valve flap (3) in a sealing way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640949.2U CN210830616U (en) | 2019-09-27 | 2019-09-27 | Vertical one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640949.2U CN210830616U (en) | 2019-09-27 | 2019-09-27 | Vertical one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830616U true CN210830616U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921640949.2U Active CN210830616U (en) | 2019-09-27 | 2019-09-27 | Vertical one-way valve |
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| CN (1) | CN210830616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506899A (en) * | 2022-10-21 | 2022-12-23 | 泰鹄动力科技(武汉)有限公司 | A new gas supply valve for pre-combustion chamber of internal combustion engine |
-
2019
- 2019-09-27 CN CN201921640949.2U patent/CN210830616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506899A (en) * | 2022-10-21 | 2022-12-23 | 泰鹄动力科技(武汉)有限公司 | A new gas supply valve for pre-combustion chamber of internal combustion engine |
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