CN217583296U

CN217583296U - One-way valve

Info

Publication number: CN217583296U
Application number: CN202221164188.XU
Authority: CN
Inventors: 汤永强
Original assignee: Jiangmen Jiechu Hardware Fittings Co ltd
Current assignee: Jiangmen Jiechu Hardware Fittings Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-14
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a check valve, including valve body, only flow assembly and filtering component. The valve body comprises a valve cover and a valve seat, the valve cover is provided with a first cavity penetrating through the valve cover, the inner wall of the first cavity is provided with an inner convex ring valve seat connected with the first cavity, and the valve seat is provided with a first through hole; the flow stopping assembly is positioned on one side, close to the valve seat, of the inner convex ring and comprises a valve core and a spring, the valve core is in sliding connection with the inner wall of the first cavity, the valve core is provided with a first sealing surface, the first sealing surface is abutted and sealed with the inner convex ring, one side, far away from the inner convex ring, of the valve core is provided with a first accommodating groove, the first accommodating groove is communicated with a first through hole, the side wall of the valve core is provided with a second through hole, the second through hole is communicated with the first cavity and the first accommodating groove, one end of the spring is abutted to the valve core, the other end of the spring is abutted to the valve seat, and the spring is used for driving the valve core to be close to the inner convex ring; the filtering component is positioned on one side, far away from the valve seat, of the inner convex ring and comprises a filtering net and a retaining ring, and the filtering net is arranged on one side, close to the inner convex ring, of the retaining ring. The utility model discloses a check valve can filter impurity.

Description

One-way valve

Technical Field

The utility model relates to a technical field that the valve was made, in particular to check valve.

Background

The check valve is commonly called a check valve, fluid can only flow along a single direction, and a medium cannot flow back. Check valves are also known as check valves or check valves.

However, the conventional check valve has a long service life, and impurities enter the check valve, so that the medium is easy to flow backwards.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a check valve can filter impurity.

According to the utility model discloses a check valve of first aspect embodiment, including valve body, only flow subassembly and filtering component.

The valve body comprises a valve cover and a valve seat, the valve cover is provided with a first through cavity, an inner convex ring is arranged on the inner wall of the first through cavity, the first through cavity is used for accommodating water flow to pass through, the valve seat is connected with the first through cavity, and the valve seat is provided with a first through hole used for accommodating water flow to pass through; the flow stopping assembly is positioned on one side, close to the valve seat, of the inner convex ring and comprises a valve core and a spring, the valve core is in sliding connection with the inner wall of the first cavity, the valve core is provided with a first sealing surface, the first sealing surface is abutted and sealed with the inner convex ring, one side, far away from the inner convex ring, of the valve core is provided with a first accommodating groove, the first accommodating groove is communicated with a first through hole, the side wall of the valve core is provided with a second through hole, the second through hole is communicated with the first cavity and the first accommodating groove, one end of the spring is abutted to the valve core, the other end of the spring is abutted to the valve seat, and the spring is used for driving the valve core to be close to the inner convex ring; the filtering component is located one side that the disk seat was kept away from to the inner collar, and including filter screen and retaining ring, the filter screen setting is close to one side of inner collar at the retaining ring, and the filter screen is used for filtering impurity, and the retaining ring is used for restricting the axial displacement of filter screen along inner collar.

According to the utility model discloses a check valve has following beneficial effect at least:

1. the utility model discloses a set up interior bulge loop, interior bulge loop realizes one-way water inlet function with the case cooperation.

2. The utility model discloses a set up case and spring, the spring is used for driving the case and is close to interior bulge loop, prevents the medium refluence.

3. The utility model discloses a set up the filter screen, but the filter screen filterable impurity.

4. The utility model discloses a set up the retaining ring, the retaining ring can restrict the axial displacement of filter screen edge interior convex ring, avoids the filter screen to drop.

According to the utility model discloses a some embodiments, the inner wall in first chamber is provided with first annular, and first annular is located one side that the disk seat was kept away from to the inner convex ring, and first annular is used for holding filter screen and retaining ring.

The beneficial results are: the utility model discloses a set up first annular, first annular holding filter screen and retaining ring are placed more steadily.

According to some embodiments of the invention, the retainer ring is a hole retainer ring.

The beneficial results are: the utility model discloses a set up the retaining ring for the hole retaining ring, the hole retaining ring has elasticity, and the hole retaining ring has two pincers holes, and two pincers holes can be close to each other and keep away from to the external diameter of retaining ring is used to the control hole makes things convenient for placing and changing of retaining ring.

According to some embodiments of the invention, the diameter of the screen is smaller than the diameter of the first ring groove.

The beneficial results are: the utility model discloses a diameter that sets up the filter screen is less than the diameter of first annular, makes things convenient for the dismantlement and the washing of filter screen.

According to the utility model discloses a some embodiments, the inner wall that first chamber is close to the one end of disk seat is provided with the internal thread, and the disk seat correspondence is provided with external screw thread, valve gap and disk seat threaded connection.

The beneficial results are: the utility model discloses an inner wall that is close to the one end of disk seat in first chamber is provided with the internal thread, and the disk seat correspondence is provided with the external screw thread, makes things convenient for the connection and the dismantlement of valve gap and disk seat.

According to the utility model discloses a some embodiments are provided with O type circle between valve gap and the disk seat, and O type circle is used for sealing up the clearance between disk seat and the valve gap.

The beneficial results are: the utility model discloses a set up O type circle, when valve gap and disk seat screw-thread fit, O type circle is compressed tightly, and O type circle produces reaction force, makes the screw-thread fit inseparabler, and the leakproofness is better.

According to some embodiments of the utility model, the disk seat has the second storage tank, and the second storage tank is used for holding the spring.

The beneficial results are: the utility model discloses a set up the second storage tank, second storage tank holding spring, spring work is more stable.

According to the utility model discloses a some embodiments, the inner wall in first chamber is provided with the second annular, and the second annular is located one side that interior bulge loop is close to the disk seat, and the second annular is used for interior bulge loop center of intercommunication and second through-hole.

The beneficial results are: the utility model discloses a set up the second annular, the second annular is used for interior bulge loop center of intercommunication and second through-hole, and the water that gets into from interior bulge loop can flow in the second through-hole, realizes the noncongestion in water route.

According to the utility model discloses a some embodiments, first sealed face is the circular conical surface, and the inner collar has the second and seals the face, and the second seals the face for the circular conical surface, and first sealed face seals with the sealed cooperation of second.

The beneficial results are: the utility model discloses a set up the sealed face of first sealed face and second, the case adopts the face contact mode with the inner wall of valve gap, and it is better than traditional line contact mode stagnant flow effect.

According to some embodiments of the utility model, first storage tank is used for holding the spring.

The beneficial results are: the utility model discloses a set up first storage tank, first storage tank holding spring, spring work is more stable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a check valve according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the retainer ring shown in fig. 1.

Reference numerals: 100-a valve cover, 110-a valve seat, 120-a first cavity, 130-an inner convex ring, 140-a first through hole, 150-a valve core, 160-a spring, 170-a first sealing surface, 180-a first containing groove, 190-a second through hole, 200-a filter screen, 210-a retainer ring, 220-a first ring groove, 230-an O-shaped ring, 240-a second containing groove, 250-a second ring groove and 260-a second sealing surface.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

A check valve according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model discloses a check valve, including valve body, end and flow components and filtering component.

For the valve body, in some embodiments of the present invention, the valve body includes a valve cover 100 and a valve seat 110, the valve cover 100 has a first cavity 120 passing through, an inner wall of the first cavity 120 is provided with an inner collar 130, the first cavity 120 is used for accommodating water flow, the valve seat 110 is connected with the first cavity 120, the valve seat 110 has a first through hole 140, and the first through hole 140 is used for accommodating water flow.

It can be understood that, the present invention provides an inner collar 130, and the inner collar 130 cooperates with the valve core 150 to realize the one-way water inlet function.

It will be appreciated that the inner collar 130 has a third through hole in the centre thereof for receiving water therethrough.

In some embodiments of the present invention, the inner wall of the first cavity 120 close to one end of the valve seat 110 is provided with an internal thread, the valve seat 110 is correspondingly provided with an external thread, and the valve cover 100 is in threaded connection with the valve seat 110.

It can be understood that the present invention provides an internal thread on the inner wall of the first chamber 120 near the end of the valve seat 110, and the valve seat 110 is correspondingly provided with an external thread, so as to facilitate the connection and the detachment of the valve cover 100 and the valve seat 110.

In some embodiments of the present invention, an O-ring 230 is disposed between the valve cover 100 and the valve seat 110, and the O-ring 230 is used to seal the gap between the valve seat 110 and the valve cover 100.

It can be understood that, the utility model discloses a set up O type circle 230, when valve gap 100 and valve seat 110 screw-thread fit, O type circle 230 is compressed tightly, and O type circle 230 produces the reaction force, makes the screw-thread fit inseparabler, and the leakproofness is better.

In some embodiments of the present invention, the valve seat 110 has a second receiving groove 240, and the second receiving groove 240 is used for receiving the spring 160.

It can be understood that, the utility model discloses a set up second storage tank 240, second storage tank 240 holds spring 160, and spring 160 works more stably.

In some embodiments of the present invention, the inner wall of the first cavity 120 is provided with a second annular groove 250, the second annular groove 250 is located on one side of the inner collar 130 close to the valve seat 110, and the second annular groove 250 is used for communicating the center of the inner collar 130 with the second through hole 190.

It can be understood that, the utility model discloses a set up second annular groove 250, second annular groove 250 is used for communicateing inner collar 130 center and second through-hole 190, and the water that gets into from inner collar 130 can flow into second through-hole 190, realizes the unblocked of water route.

To the flow stopping subassembly, in some embodiments of the present invention, the flow stopping subassembly is located one side that inner collar 130 is close to valve seat 110, including case 150 and spring 160, case 150 and the inner wall sliding connection of first chamber 120, case 150 has first sealing surface 170, first sealing surface 170 is sealed with inner collar 130 butt, one side that inner collar 130 is kept away from to case 150 has first storage tank 180, first storage tank 180 communicates first through-hole 140, the lateral wall of case 150 is provided with second through-hole 190, second through-hole 190 communicates first chamber 120 and first storage tank 180, the one end butt case 150 of spring 160, the other end butt valve seat 110 of spring 160, spring 160 is used for driving case 150 and is close to inner collar 130.

It can be understood that, the utility model discloses a set up case 150 and spring 160, spring 160 is used for driving case 150 and is close to interior convex ring 130, prevents the medium refluence.

It can be understood that, the utility model discloses a set up filter screen 200, filter screen 200 can filter impurity.

In some embodiments of the present invention, the first sealing surface 170 is a conical surface, the inner collar 130 has a second sealing surface 260, the second sealing surface 260 is a conical surface, and the first sealing surface 170 and the second sealing surface 260 cooperate to seal.

It can be understood that, the present invention provides the first sealing surface 170 and the second sealing surface 260, and the inner wall of the valve core 150 and the valve cover 100 adopts a surface contact manner, which has a better flow stopping effect than the traditional line contact manner.

In some embodiments of the present invention, the first receiving groove 180 is used for receiving the spring 160.

It can be understood that the utility model discloses a set up first storage tank 180, first storage tank 180 holding spring 160, spring 160 work is more stable.

For the filter assembly, in some embodiments of the present invention, the filter assembly is located on one side of the inner collar 130 away from the valve seat 110, and includes a filter screen 200 and a retainer ring 210, the filter screen 200 is disposed on one side of the retainer ring 210 close to the inner collar 130, the filter screen 200 is used for filtering impurities, and the retainer ring 210 is used for limiting the axial movement of the filter screen 200 along the inner collar 130.

It can be understood that, the utility model discloses a set up retaining ring 210, retaining ring 210 can restrict the axial displacement of filter screen 200 along inner convex ring 130, avoids filter screen 200 to drop.

In some embodiments of the present invention, the inner wall of the first chamber 120 is provided with a first ring groove 220, the first ring groove 220 is located on one side of the inner collar 130 away from the valve seat 110, and the first ring groove 220 is used for accommodating the filter screen 200 and the retainer ring 210.

It can be understood that the utility model discloses a set up first annular 220, first annular 220 holding filter screen 200 and retaining ring 210 place more steadily.

In some embodiments of the present invention, the retainer ring 210 is a hole retainer ring 210.

It can be understood that the utility model discloses a set up retaining ring 210 for hole retaining ring, hole retaining ring has elasticity, and hole retaining ring has two pincers holes, and two pincers holes can be close to each other and keep away from to the external diameter of control hole retaining ring makes things convenient for placing and changing of retaining ring 210.

It will be appreciated that the retainer ring 210 may also be a conventional circular ring retainer ring that is welded to the inner wall of the first chamber 120 to retain the filter screen 200.

In some embodiments of the present invention, the diameter of the filter screen 200 is smaller than the diameter of the first ring groove 220.

It can be understood that the present invention facilitates the disassembly and cleaning of the filter screen 200 by setting the diameter of the filter screen 200 to be smaller than the diameter of the first ring groove 220.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A check valve, comprising:

the valve body comprises a valve cover (100) and a valve seat (110), the valve cover (100) is provided with a first cavity (120) which penetrates through the valve cover, an inner convex ring (130) is arranged on the inner wall of the first cavity (120), the first cavity (120) is used for accommodating water flow, the valve seat (110) is connected with the first cavity (120), the valve seat (110) is provided with a first through hole (140), and the first through hole (140) is used for accommodating water flow;

the flow stopping assembly is positioned on one side, close to the valve seat (110), of the inner annular ring (130), and comprises a valve core (150) and a spring (160), the valve core (150) is in sliding connection with the inner wall of the first cavity (120), the valve core (150) is provided with a first sealing surface (170), the first sealing surface (170) is in abutting sealing connection with the inner annular ring (130), one side, far away from the inner annular ring (130), of the valve core (150) is provided with a first accommodating groove (180), the first accommodating groove (180) is communicated with the first through hole (140), the side wall of the valve core (150) is provided with a second through hole (190), the second through hole (190) is communicated with the first cavity (120) and the first accommodating groove (180), one end of the spring (160) is abutted against the valve core (150), the other end of the spring (160) is abutted against the valve seat (110), and the spring (160) is used for driving the valve core (150) to be close to the inner annular ring (130);

the filter assembly is positioned on one side, away from the valve seat (110), of the inner annular ring (130) and comprises a filter screen (200) and a retainer ring (210), the filter screen (200) is arranged on one side, close to the inner annular ring (130), of the retainer ring (210), the filter screen (200) is used for filtering impurities, and the retainer ring (210) is used for limiting the filter screen (200) to move axially along the inner annular ring (130).

2. A non-return valve according to claim 1, characterized in that the inner wall of the first chamber (120) is provided with a first annular groove (220), the first annular groove (220) being located on the side of the inner collar (130) facing away from the valve seat (110), the first annular groove (220) being adapted to receive the sieve (200) and the retainer ring (210).

3. A check valve as claimed in claim 1, wherein the retainer ring (210) is a bore retainer ring.

4. A check valve as claimed in claim 2, wherein the diameter of the screen (200) is smaller than the diameter of the first annular groove (220).

5. A non-return valve according to claim 1, characterized in that the inner wall of the first chamber (120) near the end of the valve seat (110) is provided with an internal thread, the valve seat (110) is correspondingly provided with an external thread, and the valve cover (100) and the valve seat (110) are in threaded connection.

6. A one-way valve according to claim 5, wherein an O-ring (230) is provided between the valve cover (100) and the valve seat (110), the O-ring (230) being adapted to seal the gap between the valve seat (110) and the valve cover (100).

7. A check valve as claimed in claim 1, wherein the valve seat (110) has a second receiving groove (240), the second receiving groove (240) being adapted to receive the spring (160).

8. A check valve as claimed in claim 1, wherein the inner wall of the first chamber (120) is provided with a second ring groove (250), the second ring groove (250) is located on the side of the inner collar (130) close to the valve seat (110), and the second ring groove (250) is used for communicating the center of the inner collar (130) with the second through hole (190).

9. A check valve as claimed in claim 1, wherein the first sealing surface (170) is conical and the inner collar (130) has a second sealing surface (260), the second sealing surface (260) being conical, the first sealing surface (170) sealing against the second sealing surface (260).

10. A check valve as claimed in claim 1, wherein the first receiving recess (180) is adapted to receive the spring (160).