CN214331591U

CN214331591U - Axial flow type check valve with shock attenuation, function of making an uproar falls

Info

Publication number: CN214331591U
Application number: CN202022812466.5U
Authority: CN
Inventors: 常永红; 蒋劲; 廖志芳; 刘娜; 谢科; 王荣辉; 王广; 张乐全; 运广琪
Original assignee: Bensv Valve Stock Co ltd
Current assignee: Bensv Valve Stock Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-01
Anticipated expiration: 2030-11-27

Abstract

The utility model provides an axial-flow check valve with shock attenuation, function of making an uproar falls, including first valve body, the valve clack, the second valve body, the fixed subassembly of first fixed subassembly and second, the one end fixed connection of first valve body is to the one end of second valve body, the one end fixed connection of valve clack is to the inner wall of second valve body, the other end contact connection of valve clack is to the inner wall of first valve body, the fixed subassembly structure of first fixed subassembly and second is the same, first fixed subassembly is including fixed scute and bumper shock absorber, first valve body periphery is through fixed scute fixed connection to external support, and set up the bumper shock absorber between fixed scute and the external support. An axial-flow type check valve with shock attenuation, function of making an uproar falls, the bumper shock absorber is to the effectual bumper shock absorber consumption of the impact of valve clack, the medium after the decompression steady even action in valve clack back again, the medium water conservancy diversion is mild, has reduced the noise that the vibration produced.

Description

Axial flow type check valve with shock attenuation, function of making an uproar falls

Technical Field

The utility model belongs to the technical field of the check valve, especially, relate to an axial-flow type check valve with shock attenuation, noise reduction function.

Background

The axial flow check valve operates on the principle that the opening and closing of the flap is determined by the pressure difference between the inlet and outlet ends of the valve. When the pressure at the inlet end is greater than the sum of the spring forces developed by the pressure cycling at the outlet end, the valve flap opens. The valve flap is always in the open state as long as the pressure difference exists, but the opening degree is determined by the magnitude of the pressure difference. The traditional check valve generally adopts a hard sealing structure, the check valve of any structure can generate great noise in the opening and closing processes, particularly, in places such as building office buildings and residential buildings where the check valve is installed, and harsh noise can be generated when a secondary water supply pump stops or starts suddenly.

Disclosure of Invention

In view of this, the present invention provides an axial flow check valve with shock absorption and noise reduction functions to solve the problem that the check valve generates a large noise in the opening and closing processes.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an axial flow check valve with shock absorption and noise reduction functions comprises a first valve body, a valve clack, a second valve body, a first fixing component and a second fixing component, wherein one end of the first valve body is fixedly connected to a water outlet pipeline, one end of the second valve body is fixedly connected to a water inlet pipeline, the other end of the first valve body is fixedly connected to the other end of the second valve body, the periphery of the first valve body is fixedly connected to an external support through the first fixing component, the periphery of the second valve body is fixedly connected to the external support through the second fixing component, one end of the valve clack is fixedly connected to the inner wall of the second valve body, the other end of the valve clack is in contact connection with the inner wall of the first valve body, the first fixing component and the second fixing component are identical in structure, the first fixing component comprises a fixing angle plate and a shock absorber, one end of the fixing angle plate is fixedly connected to the periphery of the first valve body, and the other end of the fixing angle plate is fixedly connected to the external support, and a shock absorber is arranged between the fixed angle plate and the external support.

Further, the valve clack includes the lamella body, sealing washer and a plurality of spring, and the cross section of the lamella body is T type structure, and lamella body lower extreme is through a plurality of spring fixed connection to the inner wall of second valve body, and lamella body lower extreme is equipped with a plurality of blind holes, every along circumference spring of installation in the blind hole, the peripheral sealing washer of installation in lamella body upper end, and the equal contact connection in the upper end of sealing washer periphery and the lamella body is to the inner wall of first valve body.

Further, the first valve body comprises a first pipe body, a first flange, a second flange, a flow guide rib and a flow guide plate, the periphery of the first end of the first pipe body is fixedly connected to the water outlet pipeline through the second flange, the periphery of the second end of the first pipe body is fixedly connected to one end of the second valve body through the first flange, the inner ring of the first end of the first pipe body is provided with the flow guide plate through the flow guide ribs, a second flow guide hole is formed between every two flow guide ribs, the flow guide plate is located in the middle of the first pipe body, and one end of the flow guide plate is in contact connection with the periphery of the sealing ring and the upper end of the valve body respectively.

Further, the second valve body comprises a second pipe body, a third flange, a fourth flange, a flow guide column and support ribs, the first end of the second pipe body is fixedly connected to the water inlet pipeline through the third flange, the periphery of the second end of the second pipe body is fixedly connected to the second end of the first pipe body through the fourth flange, inner rings of the second end of the second pipe body are fixedly connected to the periphery of the flow guide column through the support ribs, the support ribs are distributed in a star-shaped mode along the periphery of the flow guide column, third flow guide holes are formed between every two support ribs, the lower end of the valve body is fixedly connected to the first end of the flow guide column through a plurality of springs, the first end of the flow guide column is located in the first pipe body, and the second end of the flow guide column is located in the second pipe body.

Further, the second valve body still includes first ring body and the second ring body that the first end of water conservancy diversion post from interior to exterior installed in proper order, and first ring body, second ring body and water conservancy diversion post set up with the axle center, and the valve body lower end joint is to second ring body inner circle, and every spring all is located between second ring body inner circle and the first ring body periphery, and the water conservancy diversion post middle part is equipped with fourth water conservancy diversion hole, a plurality of spouting holes of second ring body lateral wall equipartition, spout the hole third water conservancy diversion hole and fourth water conservancy diversion hole are linked together.

Compared with the prior art, axial-flow type check valve with shock attenuation, function of making an uproar falls has following advantage:

(1) an axial-flow type check valve with shock attenuation, function of making an uproar falls, the bumper shock absorber is to the effectual bumper shock absorber consumption of the impact of valve clack, the medium after the decompression steady even action in valve clack back again, the medium water conservancy diversion is mild, has reduced the noise that the vibration produced.

(2) An axial-flow type check valve with shock attenuation, function of making an uproar falls, at first triangle-shaped's first sealing washer, second sealing washer contact earlier with the build-up welding alloy for sealing of valve body when the valve is closed, then the build-up welding alloy for sealing of the lamella body contacts earlier with the build-up welding alloy for sealing of valve body, the effectual reduction of such structural style leads to the fact the damage of sealed face and the noise that collides mutually and produce because of valve body, valve clack are sealed with the mutual striking of build-up welding alloy.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of an axial flow check valve with shock absorption and noise reduction functions according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an axial flow check valve with shock absorption and noise reduction functions according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a valve flap according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first valve body according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second valve body according to an embodiment of the present invention.

Description of reference numerals:

1-a first valve body; 11-a first tube; 12-a first flange; 13-a second flange; 14-flow guiding ribs; 15-a baffle; 2-a second valve body; 21-a second tube; 22-a third flange; 23-a fourth flange; 24-a flow guide column; 25-support ribs; 26-a first ring body; 27-a second ring member; 3-valve clack; 31-flap body; 32-sealing ring; 33-a spring; 4-a first fixation assembly; 41-fixing angle plates; 42-a shock absorber; 5-a second fixing component.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-5, an axial flow check valve with shock-absorbing and noise-reducing functions comprises a first valve body 1, a valve flap 3, a second valve body 2, a first fixing component 4 and a second fixing component 5, wherein one end of the first valve body 1 is fixedly connected to a water outlet pipeline, one end of the second valve body 2 is fixedly connected to a water inlet pipeline, the other end of the first valve body 1 is fixedly connected to the other end of the second valve body 2, the periphery of the first valve body 1 is fixedly connected to an external bracket through the first fixing component 4, the periphery of the second valve body 2 is fixedly connected to an external bracket through the second fixing component 5, one end of the valve flap 3 is fixedly connected to the inner wall of the second valve body 2, the other end of the valve flap 3 is in contact connection with the inner wall of the first valve body 1, the first fixing component 4 and the second fixing component 5 have the same structure, the first fixing component 4 comprises a fixing angle plate 41 and a shock absorber 42, one end of the fixing angle plate 41 is fixedly connected to the periphery of the first valve body 1, fixed scute 41 other end fixed connection to external support, and set up bumper shock absorber 42 between fixed scute 41 and the external support, bumper shock absorber 42 is the rubber pad, and bumper shock absorber 42 is spent by the bumper shock absorber to the effectual quilt of the impact of valve clack 3, and the medium after the decompression is steady even action in valve clack 3 back again.

Valve clack 3 includes the lamella body 31, sealing washer 32 and a plurality of spring 33, and the cross section of the lamella body 31 is T type structure, and the inner wall of the lamella body 31 lower extreme through a plurality of spring 33 fixed connection to second valve body 2, and the lamella body 31 lower extreme is equipped with a plurality of blind holes along circumference, every spring 33 of installation in the blind hole, the peripheral installation sealing washer 32 in lamella body 31 upper end, and the equal contact of the upper end of the peripheral and the lamella body 31 of sealing washer 32 is connected to the inner wall of first valve body 1, and shock absorber 42 is spent by the shock absorber to the effectual quilt of impact of valve clack 3, and the medium after the decompression is steady even again acts on 3 backs of valve clack, and 3 back evenly distributed's of valve clack spring 33 also acts on valve clack 3 simultaneously for the sealed between valve clack 3 and the valve body 1 closely more coincide, thereby guaranteed that the valve also can reliably seal under low pressure.

The first valve body 1 comprises a first pipe body 11, a first flange 12, a second flange 13, a flow guide rib 14 and a flow guide plate 15, the periphery of the first end of the first pipe body 11 is fixedly connected to a water outlet pipeline through the second flange 13, the periphery of the second end of the first pipe body 11 is fixedly connected to one end of the second valve body 2 through the first flange 12, the inner ring of the first end of the first pipe body 11 is provided with the flow guide plate 15 through the flow guide ribs 14, a second flow guide hole is formed between every two flow guide ribs 14, the flow guide plate 15 is positioned in the middle of the first pipe body 11, one end of the flow guide plate 15 is in contact connection with the periphery of a sealing ring 32 and the upper end of a valve body 31 respectively, the first pipe body 11, the first flange 12, the second flange 13, the flow guide ribs 14 and the flow guide plate 15 are of a pouring integrated structure, and the concentricity of guiding in the valve body is guaranteed.

The second valve body 2 includes a second pipe body 21, a third flange 22, a fourth flange 23, a guide column 24 and support ribs 25, the first end of the second pipe body 21 is fixedly connected to the water inlet pipeline through the third flange 22, the second end periphery of the second pipe body 21 is fixedly connected to the second end of the first pipe body 11 through the fourth flange 23, the second end inner ring of the second pipe body 21 is fixedly connected to the periphery of the guide column 24 through a plurality of support ribs 25, the plurality of support ribs 25 are distributed in a star-like manner along the periphery of the guide column 24, third guide holes are formed between every two support ribs 25, the lower end of the flap body 31 is fixedly connected to the first end of the guide column 24 through a plurality of springs 33, the first end of the guide column 24 is located in the first pipe body 11, and the second end of the guide column 24 is located in the second pipe body 21. The second valve body 2 further comprises a first ring body 26 and a second ring body 27, wherein the first end of the guide column 24 is sequentially installed from inside to outside, the first ring body 26, the second ring body 27 and the guide column 24 are coaxially arranged, the lower end of the valve body 31 is clamped to the inner ring of the second ring body 27, each spring 33 is located between the inner ring of the second ring body 27 and the periphery of the first ring body 26, a fourth guide hole is formed in the middle of the guide column 24, a plurality of spray holes are uniformly distributed in the side wall of the second ring body 27, the spray holes are communicated with the third guide hole and the fourth guide hole, the opening degree of the valve body 31 can be automatically changed by the springs 34 according to the pressure difference between the valve body and the valve body before the valve, and the different operation positions of the valve body 31 can change the medium flow and the pressure passing through the valve, so that the flow regulation and the pressure regulation effects are achieved.

The use process of the axial flow type check valve with the functions of shock absorption and noise reduction comprises the following steps:

when the pressure of the water inlet pipeline is gradually increased, the double-channel axial-flow type check valve with the adjusting function is gradually opened, the water flow of the water inlet pipeline is propped against one side of the valve body 31, the bottom of the valve body 31 is propped against the springs 33, the springs 34 are compressed, the water flow flows to the jet hole, the third flow guide hole and the fourth flow guide hole through the periphery of the valve body 31, when the pressure of the water inlet pipeline is gradually reduced, the valve body 31 is elastically reset through the springs 33, the sealing ring 32 is firstly contacted with the inner ring of the valve body 1, then the upper end of the valve body 31 is contacted with the valve body 1, the structural form effectively reduces the damage of the sealing surface and the noise generated by mutual collision due to the mutual impact of the valve body 1 and the valve clack 3, simultaneously relieves the excessive extrusion of the soft seal of the valve clack 3, greatly improves the wear resistance of the sealing surface and the service life of the valve, and prevents the water leakage part, the reliability of the check valve is increased.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an axial-flow type check valve with shock attenuation, function of making an uproar falls which characterized in that: comprises a first valve body (1), a valve flap (3), a second valve body (2), a first fixing component (4) and a second fixing component (5), wherein one end of the first valve body (1) is fixedly connected to a water outlet pipeline, one end of the second valve body (2) is fixedly connected to a water inlet pipeline, the other end of the first valve body (1) is fixedly connected to the other end of the second valve body (2), the periphery of the first valve body (1) is fixedly connected to an external support through the first fixing component (4), the periphery of the second valve body (2) is fixedly connected to the external support through the second fixing component (5), one end of the valve flap (3) is fixedly connected to the inner wall of the second valve body (2), the other end of the valve flap (3) is connected to the inner wall of the first valve body (1) in a contact manner, the first fixing component (4) and the second fixing component (5) have the same structure, the first fixing component (4) comprises a fixing angle plate (41) and a shock absorber (42), one end of the fixed angle plate (41) is fixedly connected to the periphery of the first valve body (1), the other end of the fixed angle plate (41) is fixedly connected to the external support, and a shock absorber (42) is arranged between the fixed angle plate (41) and the external support.

2. The axial flow check valve with vibration and noise reduction functions as claimed in claim 1, wherein: valve clack (3) are T type structure including the lamella body (31), sealing washer (32) and a plurality of spring (33), and the cross section of the lamella body (31) is T type structure, and lamella body (31) lower extreme is through the inner wall of a plurality of spring (33) fixed connection to second valve body (2), and lamella body (31) lower extreme is equipped with a plurality of blind holes, every along circumference spring (33) of installation in the blind hole, lamella body (31) upper end periphery installation sealing washer (32), and the upper end of sealing washer (32) periphery and lamella body (31) all contacts the inner wall of being connected to first valve body (1).

3. The axial flow check valve with vibration and noise reduction function as claimed in claim 2, wherein: first valve body (1) includes first body (11), first flange (12), second flange (13), water conservancy diversion muscle (14) and guide plate (15), the first end periphery of first body (11) is through second flange (13) fixed connection to outlet conduit, the second end periphery of first body (11) is through the one end of first flange (12) fixed connection to second valve body (2), the first end inner circle of first body (11) is through a plurality of water conservancy diversion muscle (14) installation guide plate (15), water conservancy diversion muscle (14) form second water conservancy diversion hole between two liang, guide plate (15) are located the middle part of first body (11), the one end contact of guide plate (15) is connected to the upper end of sealing washer (32) periphery and lamella body (31).

4. The axial flow check valve with vibration and noise reduction function as claimed in claim 3, wherein: the second valve body (2) comprises a second pipe body (21), a third flange (22), a fourth flange (23), a diversion column (24) and support ribs (25), the first end of the second pipe body (21) is fixedly connected to a water inlet pipeline through the third flange (22), the periphery of the second end of the second pipe body (21) is fixedly connected to the second end of the first pipe body (11) through the fourth flange (23), the inner ring of the second end of the second pipe body (21) is fixedly connected to the periphery of the diversion column (24) through a plurality of support ribs (25), the plurality of support ribs (25) are distributed in a star-like shape along the periphery of the diversion column (24), third diversion holes are formed between every two support ribs (25), the lower end of the valve body (31) is fixedly connected to the first end of the diversion column (24) through a plurality of springs (33), and the first end of the flow guide column (24) is positioned in the first pipe body (11), and the second end of the flow guide column (24) is positioned in the second pipe body (21).

5. The axial flow check valve with vibration and noise reduction function as claimed in claim 4, wherein: second valve body (2) still include first ring body (26) and second ring body (27) that flow guide column (24) first end from interior to exterior installed in proper order, first ring body (26), second ring body (27) and flow guide column (24) set up with the axle center, valve body (31) lower extreme joint to second ring body (27) inner circle, and every spring (33) all are located between second ring body (27) inner circle and first ring body (26) periphery, flow guide column (24) middle part is equipped with fourth water conservancy diversion hole, a plurality of jet orifices of second ring body (27) lateral wall equipartition, the jet orifice third water conservancy diversion hole and fourth water conservancy diversion hole are linked together.