CN112392994A - Double-channel axial flow type check valve with adjusting function - Google Patents
Double-channel axial flow type check valve with adjusting function Download PDFInfo
- Publication number
- CN112392994A CN112392994A CN202011360440.XA CN202011360440A CN112392994A CN 112392994 A CN112392994 A CN 112392994A CN 202011360440 A CN202011360440 A CN 202011360440A CN 112392994 A CN112392994 A CN 112392994A
- Authority
- CN
- China
- Prior art keywords
- valve
- ring
- clack
- periphery
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000956 alloy Substances 0.000 claims description 16
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 241000446313 Lamella Species 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000009711 regulatory function Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention provides a double-channel axial flow check valve with an adjusting function, which comprises a first valve body, a valve clack and a second valve body, 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 valve clack comprises a clack body, a first sealing ring, a second sealing ring and a plurality of springs, the cross section of the clack body and the cross section of the clack body are of a T-shaped structure, the lower end of the clack body is in contact connection with the inside of the second valve body through the springs, the periphery of the clack body is sleeved to an inner ring of the second. According to the double-channel axial flow type check valve with the adjusting function, the spring can automatically change the opening of the valve body according to the pressure difference between the front valve and the rear valve, and the medium flow and pressure passing through the valve can be changed at different operation positions of the valve body, so that the flow adjusting and pressure adjusting functions are achieved.
Description
Technical Field
The invention belongs to the technical field of check valves, and particularly relates to a double-channel axial flow type check valve with an adjusting 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 clack only has one channel, the medium generally flows around the periphery of the clack, and the medium acts on the plane of the whole clack, so that the impact force of the medium on the clack is very large, and further, the sealing surface can be damaged to different degrees, and the service life of the valve is greatly shortened.
Disclosure of Invention
In view of this, the present invention provides a dual-channel axial flow check valve with an adjusting function, so as to solve the problems that the impact force of a medium on a valve flap is very large, and further, a sealing surface is damaged to different degrees, and the service life of the valve is shortened.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a binary channels axial-flow type check valve with regulatory function, includes first valve body, valve clack and second valve body, the one end fixed connection of first valve body to outlet conduit, the one end fixed connection of second valve body to the inlet conduit, the other end fixed connection of first valve body to the other end of second valve body, the valve clack includes the lamella body, first sealing washer, second sealing washer and a plurality of spring, the cross section of the lamella body is T type structure, lamella body lower extreme is connected to the inside of second valve body through a plurality of spring contact, and lamella body lower extreme is equipped with a plurality of blind holes, every along circumference a spring of installation in the blind hole, the inner circle to the second valve body is cup jointed to lamella body periphery, first sealing washer and second sealing washer are installed in proper order to outer to lamella body upper end, and the equal contact connection in the inside of first valve body in the upper end of first sealing washer periphery, second sealing.
Further, the cross section of first sealing washer and second sealing washer is the ring structure, and the perpendicular section of first sealing washer and second sealing washer is the triangle-shaped structure, and lamella body upper end from interior to exterior is equipped with first annular and second annular in proper order, first annular with the perpendicular section of second annular is the triangle-shaped structure, the peripheral joint of first sealing washer to in the first annular, the peripheral joint of second sealing washer to in the second annular, and the material of first sealing washer and second sealing washer is rubber.
Further, first valve body includes first body, first flange, second flange, water conservancy diversion muscle and guide plate, and the first end of first body is peripheral to be connected to outlet conduit through second flange fixed connection, and the second end of first body is peripheral to be connected to the one end of second valve body through first flange fixed connection, and the first end inner circle of first body installs the guide plate through a plurality of water conservancy diversion muscle, and the guide plate is located the middle part of first body, and the one end of guide plate contacts the upper end that is connected to first sealing washer periphery, second sealing washer periphery and lamella body respectively.
Furthermore, the guide plate is of an arc-shaped protruding structure, a plurality of guide ribs are distributed in a star-shaped manner along the inner ring of the first pipe body, one end of each guide rib is fixedly connected to the periphery of the guide plate, the other end of each guide rib is fixedly connected to the inner ring of the first pipe body, and a first guide hole is formed between every two guide ribs.
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, second 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.
Furthermore, the second valve body further comprises a first ring body and a second ring body, wherein the first end of the flow guide column is sequentially installed from inside to outside, the first ring body, the second ring body and the flow guide column are coaxially arranged, the lower end of the valve body is clamped to the inner ring of the second ring body, and each spring is located between the inner ring of the second ring body and the periphery of the first ring body.
Furthermore, a third flow guide hole is formed in the middle of the valve body, a fourth flow guide hole is formed in the middle of the flow guide column, and the third flow guide hole is communicated with the fourth flow guide hole.
Furthermore, a plurality of spray holes are uniformly distributed in the side wall of the second ring body.
Further, the petal body includes third ring body and fourth ring body, third water conservancy diversion hole runs through third ring body and fourth ring body, and the fourth ring body lower extreme is equipped with a plurality of blind holes, and fourth ring body lower extreme joint to second ring body inner circle and first ring body between peripheral, and the third ring body is installed to the fourth ring body upper end, and the external diameter of third ring body is greater than the external diameter of fourth ring body, and the upper end outer fringe of third ring body and the annular end face of guide plate all are equipped with the chamfer, the same and the symmetry setting of size of two chamfers, the second ring trench is located the third ring body in the chamfer.
Furthermore, the annular end face of the guide plate and the upper end of the third ring body are both provided with surfacing alloy for sealing.
Compared with the prior art, the double-channel axial flow type check valve with the adjusting function has the following advantages:
(1) according to the double-channel axial flow check valve with the adjusting function, when the valve is closed, the triangular first sealing ring and the triangular second sealing ring are firstly contacted with the surfacing alloy for sealing of the valve body, and then the surfacing alloy for sealing of the valve body is firstly contacted with the surfacing alloy for sealing of the valve body, so that the structural form effectively reduces the damage of the sealing surface and the noise generated by mutual collision due to the mutual collision of the valve body and the surfacing alloy for sealing of the valve clack, simultaneously relieves the excessive extrusion of the soft seal of the valve clack, greatly improves the wear resistance of the sealing surface and the service life of the valve, prevents the part from water leakage, and increases the reliability of the check valve.
(2) According to the double-channel axial flow type check valve with the adjusting function, the spring can automatically change the opening of the valve body according to the pressure difference between the front valve and the rear valve, and the medium flow and pressure passing through the valve can be changed at different operation positions of the valve body, so that the flow adjusting and pressure adjusting functions are achieved.
(3) According to the double-channel axial flow check valve with the adjusting function, the design of the double-channel flap body can quickly and effectively balance the pressure difference between the front valve and the rear valve of the valve, only a small part of the valve is opened, the medium rapidly and respectively enters the second flow guide hole from the periphery of the flap body and the third flow guide hole, and the pressure difference between the front valve and the rear valve of the valve can be rapidly balanced because the two channels of the flap body are opened simultaneously.
(4) According to the two-channel axial flow check valve with the adjusting function, the spray holes are uniformly distributed on the periphery of the second ring body, so that the valve clack is stressed uniformly when being opened and closed, meanwhile, the compression springs with the same size, pressure and length are uniformly arranged on the periphery of the back face of the valve clack, the violent mutual impact between the end part of the valve clack and the second ring body is effectively relieved, the noise generated by the impact between the end part of the valve clack and the second ring body is reduced, and when the valve is closed, a medium is effectively guided into the space between the valve clack 1 and the second ring body through the spray holes uniformly arranged on the periphery of the second ring body, so that part of the medium directly acts on the second ring body and is quickly guided out.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a dual channel axial flow check valve with modulation according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded structure of a two-channel axial flow check valve with an adjustment function according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a dual channel axial flow check valve with modulation according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an exploded structure of a valve flap according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a first valve body according to an embodiment of the present invention;
FIG. 6 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; 311-a third ring body; 312-a fourth ring; 32-a first sealing ring; 33-a second sealing ring; 34-spring.
Detailed Description
It should be noted that 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 those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 embodiments with reference to the attached drawings.
As shown in fig. 1-6, a two-channel axial-flow check valve with an adjusting function comprises a first valve body 1, a valve flap 3 and a second valve body 2, 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 valve flap 3 comprises a flap body 31, a first sealing ring 32, a second sealing ring 33 and a plurality of springs 34, the cross section of the flap body 31 is of a T-shaped structure, the lower end of the flap body 31 is in contact connection with the inside of the second valve body 2 through the springs 34, a plurality of blind holes are formed in the lower end of the flap body 31 along the circumferential direction, one spring 34 is installed in each blind hole, the periphery of the flap body 31 is sleeved to the inner ring of the second valve body 2, the first sealing ring 32 and the second sealing, The periphery of second sealing washer 33 and the inside that the upper end of the lamella body 31 all contacts and is connected to first valve body 1, and valve clack 3 is equipped with two medium circulation passageways, and each passageway sets up first sealing washer 32 and second sealing washer 33 respectively, and the ring face of the guide plate 15 of first valve body 1 and the upper end of the third ring body 311 of valve clack 3 all set up the build-up welding alloy for sealing, first sealing washer 32, second sealing washer 33 and the sealed face that combines together that forms soft or hard with the build-up welding alloy, have guaranteed this part and have sealed.
The cross section of first sealing washer 32 and second sealing washer 33 is the ring structure, and the vertical section of first sealing washer 32 and second sealing washer 33 is the triangle-shaped structure, and valve body 31 upper end from interior to exterior is equipped with first annular and second annular in proper order, the vertical section of first annular with the second annular is the triangle-shaped structure, and the peripheral joint of first sealing washer 32 has increased joint effect and sealed elasticity in the first annular, the peripheral joint of second sealing washer 33 to in the second annular, and the material of first sealing washer 32 and second sealing washer 33 is rubber, and first annular, the second annular that first sealing washer 32, second sealing washer 33 correspond have ensured first sealing washer 32 and second sealing washer 33's life, and first triangle-shaped first sealing washer 32, second sealing washer 33 contact with the build-up welding alloy for sealing of valve body 1 earlier when the valve is closed, then the build-up welding alloy for sealing of the valve body 31 contacts with the build-up welding alloy for sealing of the valve body 1 first, so that the structural form effectively reduces the damage of the sealing surface and the noise generated by mutual collision caused by the mutual collision of the build-up welding alloy for sealing 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, prevents the water leakage of the part, and increases the reliability of the check valve.
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 a plurality of 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 respectively connected to the periphery of a first sealing ring 32, the periphery of a second sealing ring 33 and the upper end of a flap body 31 in a contact manner, the flow guide plate 15 is of an arc-shaped convex structure, the plurality of flow guide ribs 14 are distributed in a star-shaped manner along the inner ring of the first pipe body 11, one end of each flow guide rib 14 is fixedly connected to the, the first pipe body 11, the first flange 12, the second flange 13, the flow guide rib 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 comprises a second pipe body 21, a third flange 22, a fourth flange 23, a flow guiding column 24 and support ribs 25, wherein the first end of the second pipe body 21 is fixedly connected to the 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 flow guiding column 24 through a plurality of support ribs 25, the plurality of support ribs 25 are distributed in a star-shaped manner along the periphery of the flow guiding column 24, second flow guiding 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 flow guiding column 24 through a plurality of springs 34, the first end of the flow guiding column 24 is located in the first pipe body 11, the second end of the flow guiding 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, first ring body 26, second ring body 27 and guide post 24 set up with the axle center, and valve body 31 lower extreme joint is to second ring body 27 inner circle, and every spring 34 all is located between second ring body 27 inner circle and the first ring body 26 periphery, and spring 34 can change valve body 31's aperture according to valve before the valve back pressure difference is automatic, and the different operating position of valve body 31 can change the medium flow, the pressure through the valve, plays the effect of flow regulation pressure regulating.
The clack body 31 middle part is equipped with third water conservancy diversion hole, and the guide post 24 middle part is equipped with fourth water conservancy diversion hole, third water conservancy diversion hole and fourth water conservancy diversion hole are linked together, and the design of the binary channels clack body 31 can be effectual fast the pressure differential behind the valve before the balanced valve, as long as the valve opens a small part, and the medium gets into the second water conservancy diversion hole from the clack body 31 periphery and third water conservancy diversion hole respectively rapidly, because of two passageways of the clack body 31 are opened simultaneously, so can be rapid reach the pressure differential behind the valve before the balanced valve.
The side wall of the second ring body 27 is uniformly provided with a plurality of spray holes, the spray holes are uniformly distributed on the periphery of the second ring body 27, so that the valve clack 1 is opened and closed uniformly, and the force is uniformly applied to the valve clack 1, meanwhile, the structure of the compression spring 34 with the same size, pressure and length is uniformly arranged on the periphery of the back surface of the valve clack 1, so that the violent mutual impact between the end part of the valve clack 1 and the second ring body 27 is effectively reduced, and the noise generated by the impact between the end part of the valve clack 1 and the second ring body 27 is reduced.
The petal 31 includes third ring body 311 and fourth ring body 312, the third water conservancy diversion hole runs through third ring body 311 and fourth ring body 312, and fourth ring body 312 lower extreme is equipped with a plurality of blind holes, and fourth ring body 312 lower extreme joint to second ring body 27 inner circle and first ring body 26 between peripheral, and third ring body 311 is installed to fourth ring body 312 upper end, and the external diameter of third ring body 311 is greater than the external diameter of fourth ring body 312, and the upper end outer fringe of third ring body 311 and guide plate 15's annular end face all are equipped with the chamfer, the same and symmetrical setting of size of two chamfers, the second annular is located third ring body 311 in the chamfer.
The utility model provides a binary channels axial-flow type check valve with regulatory function still includes fixed subassembly, and first valve body 1 and second valve body 2 are all through a fixed subassembly fixed connection to external support, every fixed subassembly includes fixed scute and cushion, and fixed scute one end fixed connection is to first body 11 periphery, second body 21 periphery, and the fixed scute other end sets up the cushion, and the cushion is to the effectual by the bumper shock absorber consumption of the impact of valve clack 3, and the medium after the decompression is steady even action 3 backs of valve clack again, and 3 back evenly distributed's of valve clack spring 34 also acts on valve clack 3 simultaneously for the sealed inseparabler that coincide between valve clack 3 and the valve body 1, thereby guaranteed that the valve also can reliably seal under the low pressure.
The use process of the double-channel axial flow type check valve with the adjusting function comprises the following steps:
when the pressure of the inlet pipe is gradually increased, the two-channel axial-flow check valve with the adjusting function is gradually opened, the water flow of the inlet pipe is abutted to one side of the flap body 31, the fourth ring 312 at the bottom of the flap body 31 is constantly pressed to the springs 34, the springs 34 are compressed, the water flow respectively flows to the second diversion hole through the periphery of the flap body 31 and the middle of the flap body 31, because the two channels of the flap body 31 are simultaneously opened, the pressure difference between the front valve and the rear valve of the valve can be quickly balanced, when the pressure of the inlet pipe is gradually reduced, the flap body 31 is elastically restored through the springs 34, the first triangular sealing ring 32 and the second sealing ring 33 are firstly contacted with the surfacing alloy for sealing of the valve body 1, then the surfacing alloy for sealing of the flap body 31 is firstly contacted with the surfacing alloy for sealing of the valve body 1, and the noise generated by mutual collision of the surfacing alloys for sealing of the valve body 1 and the valve flap 3 is effectively reduced by the structural form, meanwhile, excessive extrusion of soft sealing of the valve clack 3 is relieved, the wear resistance of a sealing surface and the service life of the valve are greatly improved, water leakage of the sealing surface is prevented, the reliability of the check valve is improved, the spring 34 can automatically change the opening degree of the clack body 31 according to the pressure difference between the front valve and the rear valve, and the different operation positions of the clack body 31 can change the medium flow and the pressure passing through the valve, so that the flow and pressure regulating effect is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a binary channels axial-flow type check valve with regulatory function which characterized in that: comprises a first valve body (1), a valve clack (3) and a second valve body (2), 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 valve clack (3) comprises a clack body (31), a first sealing ring (32), a second sealing ring (33) and a plurality of springs (34), the cross section of the clack body (31) is of a T-shaped structure, a third diversion hole is formed in the middle of the clack body (31), the lower end of the clack body (31) is in contact connection with the inside of the second valve body (2) through the plurality of springs (34), a plurality of blind holes are formed in the lower end of the clack body (31) along the circumferential direction, one spring (34) is installed in each blind hole, the periphery of the clack body (31) is sleeved to the inner ring of the second valve body (2), a, and the periphery of the first sealing ring (32), the periphery of the second sealing ring (33) and the upper end of the flap body (31) are in contact connection with the inside of the first valve body (1).
2. The dual channel axial flow check valve with modulation of claim 1 wherein: the cross section of first sealing washer (32) and second sealing washer (33) is the ring structure, and the perpendicular section of first sealing washer (32) and second sealing washer (33) is the triangle-shaped structure, and lamella body (31) upper end from interior to exterior is equipped with first annular and second annular in proper order, first annular with the perpendicular section of second annular is the triangle-shaped structure, and first sealing washer (32) peripheral joint to in the first annular, the peripheral joint of second sealing washer (33) is to in the second annular, and the material of first sealing washer (32) and second sealing washer (33) is rubber.
3. The dual channel axial flow check valve with modulation of claim 1 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 of first body (11) is peripheral to be passed through second flange (13) fixed connection to outlet conduit, the second end of first body (11) is peripheral to be passed 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), guide plate (15) are located the middle part of first body (11), the one end of guide plate (15) contacts respectively and is connected to first sealing washer (32) periphery, the upper end of second sealing washer (33) periphery and lamella body (31).
4. The dual channel axial flow check valve with modulation of claim 3 wherein: the guide plate (15) is an arc-shaped protruding structure, a plurality of guide ribs (14) are distributed in a star-shaped manner along the inner ring of the first pipe body (11), one end of each guide rib (14) is fixedly connected to the periphery of the guide plate (15), the other end of each guide rib (14) is fixedly connected to the inner ring of the first pipe body (11), and a first guide hole is formed between every two guide ribs (14).
5. The dual channel axial flow check valve with modulation of claim 3 wherein: the second valve body (2) comprises a second pipe body (21), a third flange (22), a fourth flange (23), a flow guide 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 flow guide column (24) through a plurality of support ribs (25), the plurality of support ribs (25) are distributed in a star-shaped manner along the periphery of the flow guide column (24), a second flow guide hole is formed between every two support ribs (25), the lower end of the valve body (31) is fixedly connected to the first end of the flow guide column (24) through a plurality of springs (34), 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).
6. The dual channel axial flow check valve with modulation of claim 5 wherein: the second valve body (2) further comprises a first ring body (26) and a second ring body (27), wherein the first end of the flow guide column (24) is sequentially arranged from inside to outside, the first ring body (26), the second ring body (27) and the flow 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), and each spring (34) is located between the inner ring of the second ring body (27) and the periphery of the first ring body (26).
7. The dual channel axial flow check valve with modulation of claim 5 wherein: and a fourth flow guide hole is formed in the middle of the flow guide column (24), and the third flow guide hole is communicated with the fourth flow guide hole.
8. The dual channel axial flow check valve with modulation of claim 6 wherein: a plurality of spray holes are uniformly distributed on the side wall of the second ring body (27).
9. The dual channel axial flow check valve with modulation of claim 6 wherein: the petal body (31) comprises a third ring body (311) and a fourth ring body (312), the third diversion hole penetrates through the third ring body (311) and the fourth ring body (312), the lower end of the fourth ring body (312) is provided with a plurality of blind holes, the lower end of the fourth ring body (312) is clamped between the inner ring of the second ring body (27) and the periphery of the first ring body (26), the third ring body (311) is installed at the upper end of the fourth ring body (312), the outer diameter of the third ring body (311) is larger than that of the fourth ring body (312), the outer edge of the upper end of the third ring body (311) and the annular end face of the guide plate (15) are provided with chamfers, the two chamfers are identical in size and are symmetrically arranged, and the second ring groove is located in the chamfer of the third ring body (311).
10. The dual channel axial flow check valve with modulation of claim 9 wherein: and the annular end surface of the guide plate (15) and the upper end of the third ring body (311) are both provided with surfacing alloy for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011360440.XA CN112392994A (en) | 2020-11-27 | 2020-11-27 | Double-channel axial flow type check valve with adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011360440.XA CN112392994A (en) | 2020-11-27 | 2020-11-27 | Double-channel axial flow type check valve with adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112392994A true CN112392994A (en) | 2021-02-23 |
Family
ID=74604686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011360440.XA Pending CN112392994A (en) | 2020-11-27 | 2020-11-27 | Double-channel axial flow type check valve with adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112392994A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0061415A1 (en) * | 1981-03-20 | 1982-09-29 | Johann Weiss Maschinenbau | Valve for hydraulic systems |
| CN206361201U (en) * | 2016-12-29 | 2017-07-28 | 凯喜姆阀门有限公司 | One kind regulation profile shaft flow check valve |
| CN107202185A (en) * | 2017-06-27 | 2017-09-26 | 博纳斯威阀门股份有限公司 | Check-valves being sealed a kind of water hammer-resistant multiple flow passages more |
| CN110513514A (en) * | 2019-08-12 | 2019-11-29 | 上海艾柯林节能技术研究有限公司 | A kind of bivalve axial flow type check valve |
| CN211010021U (en) * | 2019-07-27 | 2020-07-14 | 哈电集团哈尔滨电站阀门有限公司 | Axial flow type check valve |
| CN214063893U (en) * | 2020-11-27 | 2021-08-27 | 博纳斯威阀门股份有限公司 | Double-channel axial flow type check valve with adjusting function |
-
2020
- 2020-11-27 CN CN202011360440.XA patent/CN112392994A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0061415A1 (en) * | 1981-03-20 | 1982-09-29 | Johann Weiss Maschinenbau | Valve for hydraulic systems |
| CN206361201U (en) * | 2016-12-29 | 2017-07-28 | 凯喜姆阀门有限公司 | One kind regulation profile shaft flow check valve |
| CN107202185A (en) * | 2017-06-27 | 2017-09-26 | 博纳斯威阀门股份有限公司 | Check-valves being sealed a kind of water hammer-resistant multiple flow passages more |
| CN211010021U (en) * | 2019-07-27 | 2020-07-14 | 哈电集团哈尔滨电站阀门有限公司 | Axial flow type check valve |
| CN110513514A (en) * | 2019-08-12 | 2019-11-29 | 上海艾柯林节能技术研究有限公司 | A kind of bivalve axial flow type check valve |
| CN214063893U (en) * | 2020-11-27 | 2021-08-27 | 博纳斯威阀门股份有限公司 | Double-channel axial flow type check valve with adjusting function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109838580B (en) | Structure of high-sealing liquid flow control ball valve convenient to connect | |
| EP2108869A2 (en) | Check valve | |
| CN214063893U (en) | Double-channel axial flow type check valve with adjusting function | |
| CN112392994A (en) | Double-channel axial flow type check valve with adjusting function | |
| CN111795190A (en) | Piston-driven straight-through pressure-regulating flow-regulating valve | |
| CN116928380B (en) | Closed ultra-low temperature ball valve of helping hand of balanced atress | |
| JP4755483B2 (en) | Diaphragm valve | |
| CN112377648A (en) | One-way valve for low-pressure working condition | |
| KR101610711B1 (en) | Check valve | |
| CN214331591U (en) | Axial flow type check valve with shock attenuation, function of making an uproar falls | |
| CN214305314U (en) | Dual-purpose water valve core | |
| CN211525550U (en) | Soft sealing structure of valve waterway structure | |
| CN213245354U (en) | Fluorine-lined pressure reducing valve | |
| CN212775744U (en) | Leakage-proof one-way valve | |
| CN215721112U (en) | Axial flow type check valve with double seal structure | |
| JPH0319648Y2 (en) | ||
| CN212297797U (en) | Piston-driven straight-through pressure-regulating flow-regulating valve | |
| CN208138540U (en) | A kind of fluid line pressure relief assembly and fluid line | |
| CN220185931U (en) | Fluorine-lined diaphragm type check valve | |
| CN218625541U (en) | One-way valve | |
| CN111219503A (en) | Check valve for fire control | |
| CN211901694U (en) | Sealing ring type two-way valve | |
| CN216366909U (en) | Folding filter element for filtering in printing and dyeing industry | |
| CN205715856U (en) | Vacuum-proof pressure release valve and water heater | |
| CN216895927U (en) | Low-resistance backflow preventer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |