CN216279568U - Flat top formula check valve - Google Patents
Flat top formula check valve Download PDFInfo
- Publication number
- CN216279568U CN216279568U CN202122843895.3U CN202122843895U CN216279568U CN 216279568 U CN216279568 U CN 216279568U CN 202122843895 U CN202122843895 U CN 202122843895U CN 216279568 U CN216279568 U CN 216279568U
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- Prior art keywords
- flat top
- top block
- exhaust hole
- sealing
- sealing ring
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Abstract
The utility model discloses a flat top type one-way valve, which comprises a valve body, a flat top block, a spring, a sealing seat, a sealing ring and an exhaust hole, wherein a hollow groove in the valve body comprises: the flat top block is inserted from the right side, the right side of the flat top block is provided with an exhaust hole, and the right side of the flat top block is provided with a V-shaped notch at the exhaust hole; a spring inserted into the flat top groove from the left side; and the sealing seat is attached to the right side surface of the flat top block. The flat top type one-way valve has the advantages that the flat top block is in contact with the planes of the sealing seat and the sealing ring, so that the contact area is larger, the contact is more stable, and the leakage phenomenon is not easy to occur; the radius of sealing washer is greater than the distance of exhaust hole to the central line of seal receptacle, and exhaust hole and sealing washer direct contact not to can not let high-pressure fluid directly strike the sealing washer when opening the during operation, can prolong the life of sealing washer, also can not make the sealing washer appear phenomenons such as droing, opening pressure when having guaranteed the gas flow reduces.
Description
Technical Field
The utility model relates to the technical field of one-way valves, in particular to a flat top type one-way valve.
Background
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 installation position is not limited and it is usually installed on a horizontal pipeline, but it may be installed on a vertical pipeline or an inclined pipeline.
The traditional check valve uses the thimble to take O type circle to seal, and the area of contact of thimble is less, and the contact is unstable, easily appears leaking the phenomenon, and exhaust hole and sealing washer direct contact in traditional structure moreover open the during operation high-pressure fluid can direct impact the sealing washer, reduce the life of sealing washer, also can appear the phenomenon that the sealing washer drops.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a flat-top check valve, which solves the above problems of the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a flat top type one-way valve, which comprises a valve body, a flat top block, a spring, a sealing seat, a sealing ring and an exhaust hole,
the valve body inside dead slot includes:
the exhaust holes are annularly arranged in four positions with the transverse central point of the flat top block as a circle center, and the V-shaped notch is formed in the exhaust hole at the right side of the flat top block;
a spring inserted into the flat top groove from the left side;
and the sealing seat is attached to the right side surface of the flat top block, a sealing ring is sleeved on the left side of the sealing seat, and the sealing ring and the exhaust hole are not arranged on the same horizontal position.
Furthermore, the valve body, the flat top block, the spring and the center line of the sealing seat are on the same horizontal line.
Further, the spring is arranged between the valve body and the groove of the flat top block.
Further, the radius of the sealing ring is larger than the distance from the exhaust hole to the central line of the sealing seat.
Compared with the prior art, the utility model has the beneficial effects that: the flat top type one-way valve has the advantages that the flat top block is in contact with the planes of the sealing seat and the sealing ring, so that the contact area is larger, the contact is more stable, and the leakage phenomenon is not easy to occur; the radius of the sealing ring is greater than the distance from the exhaust hole to the central line of the sealing seat, and the exhaust hole is not in direct contact with the sealing ring, so that high-pressure fluid cannot directly impact the sealing ring when the sealing ring is opened, the service life of the sealing ring can be prolonged, the phenomena of falling off of the sealing ring and the like cannot occur, and the opening pressure is reduced while the gas flow is ensured; the V-shaped notch is formed in the right side of the flat top block at the exhaust hole, high-pressure gas is discharged through the notch, the sealing ring is prevented from being sprayed, and the sealing ring further plays a role.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a flat top block according to the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention.
In the figure: 1. the valve comprises a valve body, 2, a flat top block, 3, a spring, 4, a sealing seat, 5, a sealing ring, 6 and an exhaust hole.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a flat top type one-way valve, which comprises a valve body 1, a flat top block 2, a spring 3, a sealing seat 4, a sealing ring 5 and an exhaust hole 6,
the inside dead slot of valve body 1 includes:
the flat top block 2 is inserted from the right side, the right side of the flat top block 2 is provided with four exhaust holes 6, the four exhaust holes 6 are annularly arranged by taking the transverse central point of the flat top block 2 as a circle center, the right side of the flat top block 2 is provided with a V-shaped notch at the exhaust hole 6, and high-pressure gas is discharged by utilizing the notch to avoid being sprayed onto the sealing ring 5;
the spring 3 is inserted into the groove of the flat top block 2 from the left side; the spring 3 is arranged between the valve body 1 and the groove of the flat top block 2;
the sealing seat 4 is attached to the right side surface of the flat top block 2, the flat top block 2 is in plane contact with the sealing seat 4 and the sealing ring 5, the contact area is larger, the contact is more stable, the leakage phenomenon is not easy to occur, the sealing ring 5 is sleeved on the left side of the sealing seat 4, and the sealing ring 5 and the exhaust hole 6 are not arranged on the same horizontal position; the radius of the sealing ring 5 is greater than the distance from the exhaust hole 6 to the central line of the sealing seat 4, and the exhaust hole 6 is not in direct contact with the sealing ring 5, so that high-pressure fluid cannot directly impact the sealing ring 5 during opening operation, the service life of the sealing ring 5 can be prolonged, the phenomena of falling off of the sealing ring 5 and the like cannot occur, and the opening pressure is reduced while the air flow is ensured; the valve body 1, the flat top block 2, the spring 3 and the sealing seat 4 are arranged on the same horizontal line.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A flat top type one-way valve comprises a valve body (1), a flat top block (2), a spring (3), a sealing seat (4), a sealing ring (5) and an exhaust hole (6), and is characterized in that,
the valve body (1) comprises in the inner empty groove:
the flat top block (2) is inserted from the right side, the right side of the flat top block (2) is provided with four exhaust holes (6), the four exhaust holes (6) are annularly arranged by taking the transverse central point of the flat top block (2) as a circle center, and the right side of the flat top block (2) is provided with a V-shaped notch at the exhaust hole (6);
a spring (3) inserted into the groove of the flat top block (2) from the left side;
and a sealing seat (4) attached to the right side surface of the flat top block (2), wherein a sealing ring (5) is sleeved on the left side of the sealing seat (4), and the sealing ring (5) and the exhaust hole (6) are not arranged on the same horizontal position.
2. The flat top one-way valve as claimed in claim 1, wherein: the valve body (1), the flat top block (2), the spring (3) and the sealing seat (4) are arranged on the same horizontal line.
3. The flat top one-way valve as claimed in claim 1, wherein: the spring (3) is arranged between the valve body (1) and the groove of the flat top block (2).
4. The flat top one-way valve as claimed in claim 1, wherein: the radius of the sealing ring (5) is larger than the distance from the exhaust hole (6) to the central line of the sealing seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843895.3U CN216279568U (en) | 2021-11-18 | 2021-11-18 | Flat top formula check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843895.3U CN216279568U (en) | 2021-11-18 | 2021-11-18 | Flat top formula check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216279568U true CN216279568U (en) | 2022-04-12 |
Family
ID=81035624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122843895.3U Active CN216279568U (en) | 2021-11-18 | 2021-11-18 | Flat top formula check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216279568U (en) |
-
2021
- 2021-11-18 CN CN202122843895.3U patent/CN216279568U/en active Active
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| GR01 | Patent grant |