WO2021203926A1 - Ensemble de corps de vanne et vanne combinée le comportant - Google Patents

Ensemble de corps de vanne et vanne combinée le comportant Download PDF

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Publication number
WO2021203926A1
WO2021203926A1 PCT/CN2021/081184 CN2021081184W WO2021203926A1 WO 2021203926 A1 WO2021203926 A1 WO 2021203926A1 CN 2021081184 W CN2021081184 W CN 2021081184W WO 2021203926 A1 WO2021203926 A1 WO 2021203926A1
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WO
WIPO (PCT)
Prior art keywords
valve
inlet
outlet
connecting piece
channel
Prior art date
Application number
PCT/CN2021/081184
Other languages
English (en)
Chinese (zh)
Inventor
俞舟
冯忠波
康志军
熊匀均
邵巨灿
杨剑
Original Assignee
浙江盾安人工环境股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN202010280918.1A external-priority patent/CN113513607B/zh
Priority claimed from CN202010280920.9A external-priority patent/CN113513608A/zh
Priority claimed from CN202020529462.3U external-priority patent/CN212080232U/zh
Priority claimed from CN202020529193.0U external-priority patent/CN212080250U/zh
Priority claimed from CN202020529325.XU external-priority patent/CN212080251U/zh
Application filed by 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to JP2022545356A priority Critical patent/JP2023520282A/ja
Publication of WO2021203926A1 publication Critical patent/WO2021203926A1/fr

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    • 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
    • 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
    • F16K1/46—Attachment of sealing rings
    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid 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
    • 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

Definitions

  • the present application relates to the technical field of valve bodies, and in particular to a valve body assembly and a combined valve having the same.
  • the existing one-way valve structure does not have a filtering structure, so that impurities in the fluid easily block the valve port during use, causing the one-way valve to fail and affecting the normal use of the one-way valve.
  • the present application provides a valve body assembly and a combined valve having the same, so as to solve the problem of easy blockage of the one-way valve in the prior art.
  • a valve body assembly includes a housing.
  • the housing includes a first channel and a second channel communicating with each other. Inner diameter; the filter element is arranged in the first channel, and the filter element is used to filter the fluid; the valve core assembly is movably arranged in the second channel, the valve core assembly is located downstream of the filter element along the fluid flow direction, the valve core The assembly has a blocking position for blocking the second channel and an open position.
  • the housing includes: a filter tube, the filter tube has a first channel, and the filter is arranged in the filter tube; a valve tube, the valve tube has a second channel, the filter tube is connected to the valve tube, and the valve core assembly is movably arranged in the valve Inside the tube.
  • the housing further includes: a valve cover, the valve cover is arranged between the filter tube and the valve tube, one end of the valve cover is connected to the filter tube, the other end of the valve cover is connected to the valve tube, and the filter tube is connected to the valve tube through the valve cover Connected.
  • the casing is an integrally formed structure.
  • valve body assembly further includes a first seal, the first seal is arranged upstream of the valve core assembly, and the valve core assembly cooperates with the first seal to block the second passage.
  • the second channel has an inlet end and an outlet end that are oppositely arranged
  • the valve core assembly includes: a piston, which is movably arranged in the second channel; a second seal, which is arranged at the end of the piston near the inlet end; and a gasket. , Set on the piston, the gasket is used to fix the position of the second seal on the piston.
  • the piston is provided with a guide hole
  • the valve core assembly further includes: a guide post fixedly arranged in the second channel and located downstream of the piston, one end of the guide post is inserted in the guide hole, and the guide post is used to perform Guide, the guide column has a balance hole, one end of the balance hole communicates with the guide hole, and the other end of the balance hole communicates with the outlet end; the positioning piece, the positioning piece is arranged in the second channel, and the end of the guiding column away from the piston is connected with the positioning piece Fixed connection, and the positioning member is used to fix the position of the guide column in the second channel.
  • the inner diameter of the inlet end of the second channel gradually increases toward the fluid flow direction
  • the inner diameter of the outlet end of the second channel gradually decreases toward the fluid flow direction
  • the inner diameters of the inlet end and the outlet end are both smaller than the inner diameter of the middle of the second channel.
  • the filter element includes: a filter screen; a fixing frame, which is annularly arranged on the periphery of the filter screen, and the fixing frame is fixedly connected with the inner wall of the first channel.
  • a combination valve includes: a pilot valve; a main valve, which communicates with the inside of the main valve through a capillary tube; On one side of the valve, the outlet pipe is located on the other side of the main valve; the valve body assembly is connected with the inlet pipe, and the valve body assembly is the valve body assembly provided above.
  • the valve body assembly includes a housing, a filter element and a valve core assembly, wherein the valve core assembly is arranged downstream of the filter element.
  • the filter element By providing the filter element, the fluid in the housing can be filtered, avoiding excessive impurities from flowing to the valve core assembly and causing channel blockage, ensuring the normal use of the valve body and prolonging the service life of the valve core assembly.
  • FIG. 1 shows a schematic structural diagram of a valve body assembly provided in Embodiment 1 of the present application
  • Fig. 2 shows a schematic diagram of the structure of the valve core assembly in Fig. 1;
  • Fig. 3 shows a schematic diagram of the structure of the guide post in Fig. 1;
  • Fig. 4 shows a schematic diagram of the structure of the positioning member in Fig. 1;
  • FIG. 5 shows a schematic structural diagram of the valve body assembly provided in the second embodiment of the present application in an open state
  • FIG. 6 shows a schematic structural diagram of the valve body assembly provided in the second embodiment of the present application in a blocked state
  • FIG. 7 shows a schematic structural diagram of a combination valve provided in Embodiment 3 of the present application.
  • FIG. 8 shows a schematic structural diagram of a combination valve provided according to the fourth embodiment of the present application.
  • FIG. 9 shows another structural schematic diagram of the combination valve provided according to the fourth embodiment of the present application.
  • Figure 10 shows a cross-sectional view of a connector provided according to a fourth embodiment of the present application.
  • FIG. 11 shows a schematic structural diagram of a combination valve provided in Embodiment 5 of the present application.
  • FIG. 12 shows a schematic structural diagram of a combination valve provided according to the sixth embodiment of the present application.
  • FIG. 13 shows another structural schematic diagram of the combination valve provided according to the sixth embodiment of the present application.
  • Fig. 14 shows a schematic diagram of the structure of the connecting piece in Fig. 12;
  • Figure 15 shows a cross-sectional view of the connector in Figure 12;
  • Fig. 16 shows a schematic structural diagram of a connecting piece provided in a seventh embodiment of the present application.
  • Figure 17 shows a cross-sectional view of the connector in Figure 16
  • FIG. 18 shows a schematic structural diagram of a combination valve provided in the eighth embodiment of the present application.
  • Fig. 19 shows another structural schematic diagram of the combination valve in Fig. 18;
  • FIG. 20 shows a schematic structural diagram of a combination valve provided in the ninth embodiment of the present application.
  • FIG. 21 shows another structural schematic diagram of the combination valve in FIG. 20
  • Figure 22 shows a schematic structural diagram of the one-way valve provided in the present application.
  • Valve core assembly 31. Piston; 311. Guide hole; 312. Connecting protrusion; 32. Second seal; 33. Gasket; 34. Guide column; 341. Balance hole; 35. Positioning member; 351. Positioning plate; 3511, connecting hole; 352, extension end; 30a, one-way valve; 30b, diversion structure; 30c, valve body; 301, inlet end; 302, outlet end; 303, valve cover; 304, main body;
  • an embodiment of the present application provides a valve body assembly.
  • the valve body assembly includes a housing 10, a filter 20 and a valve core assembly 30.
  • the housing 10 includes a first channel and a second channel communicating with each other, and the inner diameter of the middle part of the first channel is smaller than the inner diameter of the middle part of the second channel.
  • the filter element 20 is disposed in the first channel, and the filter element 20 is used to filter the fluid.
  • the spool assembly 30 is movably disposed in the second passage, and the spool assembly 30 is located downstream of the filter element 20 along the fluid flow direction.
  • the spool assembly 30 has a blocking position for blocking the second passage and an open position.
  • the filter element 20 is arranged upstream of the valve core assembly 30, so that the filter element 20 can be used to filter the fluid flowing to the valve core assembly 30 to prevent impurities from blocking the valve core assembly 30 and ensure the normal operation of the valve core assembly 30.
  • Set the inner diameter of the middle part of the first passage to be smaller than the inner diameter of the middle part of the second passage, so as to make up for the space occupied by the valve core assembly 30 in the second passage, reduce the resistance to the fluid caused by the valve core assembly 30, and ensure the fluid It flows normally in the housing 10.
  • the valve body assembly includes a housing 10, a filter element 20 and a valve core assembly 30, wherein the valve core assembly 30 is arranged downstream of the filter element 20.
  • the filter element 20 By providing the filter element 20, the fluid in the housing 10 can be filtered, avoiding excessive impurities flowing to the valve core assembly 30 and causing channel blockage, ensuring the normal use of the valve body, and prolonging the service life of the valve core assembly.
  • the above-mentioned device has a simple structure, which integrates filtration and one-way functions to form a multifunctional valve body structure.
  • the housing 10 may be a split structure or an integral structure.
  • the housing 10 includes: a filter tube 11 and a valve tube 12.
  • the filter tube 11 has a first channel
  • the filter element 20 is arranged in the filter tube 11.
  • the valve tube 12 has a second passage
  • the filter tube 11 is connected to the valve tube 12, and the valve core assembly 30 is movably arranged in the valve tube 12.
  • the housing 10 further includes a valve cover 13, which is arranged between the filter tube 11 and the valve tube 12.
  • One end of the valve cover 13 is connected to the filter tube 11, and the other end of the valve cover 13 is connected to the valve tube 12.
  • the filter tube 11 communicates with the valve tube 12 through the valve cover 13.
  • the valve cover 13 can be welded to the filter tube 11 and the valve tube 12, or riveted.
  • the valve cover 13 can further facilitate the installation of the valve core assembly 30 in the valve tube 12 and provide a connection structure for the filter tube 11 and the valve tube 12.
  • the second passage has an inlet end 301 and an outlet end 302 opposite to each other, and the valve core assembly includes a piston 31, a second seal 32 and a gasket 33.
  • the piston 31 is movably arranged in the second passage, and the inlet end 301 is blocked by the piston 31.
  • the second sealing element 32 is arranged at the end of the piston 31 close to the inlet end 301, and the sealing performance of the piston 31 to the inlet end 301 can be improved by providing the second sealing element 32.
  • the gasket 33 is disposed on the piston 31, and the gasket 33 is used to fix the position of the second sealing member 32 on the piston 31.
  • the end of the piston 31 close to the inlet end 301 is provided with a connecting protrusion 312, the second sealing member 32 and the gasket 33 are sleeved on the connecting protrusion 312, and the gasket 33 is located close to the second sealing member 32.
  • One side of the inlet end 301 By providing the connecting protrusion 312, a connecting structure can be provided for the second sealing member 32 and the gasket 33, and it is convenient to arrange the second sealing member 32 at the end of the piston 31.
  • the piston 31 is provided with a guide hole 311, and the valve core assembly further includes a guide post 34, which is fixedly arranged in the second passage and is located downstream of the piston 31.
  • One end of the guide post 34 The guide post 34 is used to guide the piston 31.
  • the guide post 34 has a balance hole 341.
  • One end of the balance hole 341 communicates with the guide hole 311, and the other end of the balance hole 341 communicates with the outlet end.
  • the guide post 34 has a stepped structure, and the diameter of the end of the guide post 34 close to the outlet end is smaller than the middle diameter of the guide post 34, which facilitates the connection of the guide post 34 and the positioning member 35.
  • the balance hole 341 may be a straight hole or a stepped hole.
  • the valve body 30c includes a valve cover 303 and a main body 304.
  • the valve cover 303 and the main body 304 are connected to each other.
  • the valve cover 303 and the main body 304 form a second passage.
  • the valve cover 303 has an inlet end 301.
  • the guide post 34 can be used to guide the piston 31 so that the piston 31 moves smoothly in the second passage;
  • the balance hole 341 on the guide post 34 can be used to connect the guide hole 311 with the outlet end, which is On the low pressure side, the guide hole 311 can also be made low pressure, which can reduce the resistance to the piston 31, facilitate the movement of the piston 31 between the inlet end and the outlet end, and ensure the normal operation of the valve body.
  • valve body assembly further includes a positioning member 35, the positioning member 35 is arranged in the cavity, the end of the guide column 34 away from the piston 31 is fixedly connected with the positioning member 35, the positioning member 35 is used to fix the guide column 34 in the second channel Location within.
  • the positioning member 35 By providing the positioning member 35, the guide post 34 can be easily fixed in the second channel.
  • the positioning member 35 includes a positioning plate 351 and a plurality of extension ends 352.
  • the middle of the positioning plate 351 has a connecting hole 3511, and the end of the guide post 34 penetrates the connecting hole 3511.
  • a plurality of extending ends 352 are annularly arranged on the periphery of the positioning plate 351, and the positioning plate 351 is connected to the inner wall of the second channel through the plurality of extending ends 352.
  • the guide post 34 and the positioning plate 351 can be riveted or welded.
  • the plurality of extension ends 352 can be fixedly connected to the housing 10 by means of pressing rollers, or can be connected by means of welding or fasteners.
  • the inner diameter of the inlet end 301 gradually increases in the direction toward the outlet end 302, and the diameter of the end of the piston assembly close to the inlet end 301 gradually decreases toward the outlet end 302.
  • the fluid is diverted through the above structure, so that the fluid can flow along the inclined plane formed by the above structure, and the turbulence of the fluid can be avoided in the flow process.
  • the inner diameter of the inlet end of the second channel gradually increases toward the fluid flow direction
  • the inner diameter of the outlet end of the second channel gradually decreases toward the fluid flow direction
  • the inner diameters of the inlet end and the outlet end are both smaller than the middle of the second channel
  • both ends of the second channel are configured as bell mouth structures to buffer and guide the fluid. Setting the second passage as a structure with small ends and a large middle can reduce the resistance to the fluid due to the valve core assembly provided in the middle of the second passage, so that the fluid can flow smoothly in the valve body.
  • the filter element 20 includes: a filter screen 21 and a fixing frame 22.
  • the fixing frame 22 is annularly arranged on the periphery of the filter screen 21, and the fixing frame 22 is fixedly connected with the inner wall of the first channel.
  • the second embodiment of the present application provides a valve body assembly.
  • the difference between the second embodiment and the first embodiment is that in this embodiment, the housing 10 is an integrally formed structure.
  • the installation steps of the device can be simplified and the installation efficiency can be improved.
  • the valve body assembly further includes a first seal 40, which is arranged upstream of the valve core assembly 30, and the valve core assembly 30 cooperates with the first seal 40 to block the second seal 40. aisle.
  • first seal 40 By providing the first sealing member 40, the sealing performance of the valve core assembly 30 in blocking the second passage can be further improved.
  • the third embodiment of the present application provides a combined valve, which includes a pilot valve, a main valve 50 and a valve body assembly.
  • the pilot valve communicates with the main valve 50 through a capillary tube.
  • the main valve 50 is equipped with an inlet connection pipe 51 and an outlet connection pipe 52.
  • the inlet connection pipe 51 is located on one side of the main valve 50 and the outlet connection pipe 52 is located on the other side of the main valve 50.
  • the valve body assembly is connected with the inlet connection pipe 51, and the valve body assembly is the valve body assembly provided in the above embodiment.
  • the filter element By arranging the filter element in the device, the fluid in the housing can be filtered, avoiding excessive impurities from flowing to the valve core assembly and causing channel blockage, ensuring the normal use of the valve body and prolonging the service life of the valve core assembly.
  • Setting the valve body assembly on the combined valve can realize the functions of filtering and one-way, which enriches the functions of the combined valve.
  • the fourth embodiment of the present application provides a combined valve, which includes a pilot valve 81, a main valve 50, and a one-way valve 30a.
  • the pilot valve 81 communicates with the main valve 50 through a capillary tube 82, and the pilot valve 81 is used to control the main valve 50.
  • the main valve 50 has a cylindrical hollow structure.
  • the main valve 50 is provided with a spool.
  • the main valve 50 is equipped with an inlet pipe 51 and an outlet pipe 52.
  • the inlet pipe 51 is located on one side of the main valve 50, and the outlet pipe 52 is located on the main valve 50. On the other side, the inlet connector 51 and the outlet connector 52 can have sufficient space to facilitate subsequent connections to other pipelines and equipment.
  • One end of the one-way valve 30a is connected with the inlet pipe 51.
  • the provision of the one-way valve 30a can avoid fluid backflow.
  • the central axis of the one-way valve 30a is located in the plane formed by the central axis of the main valve 50 and the outlet connecting pipe 52 or is arranged parallel to the plane, and the total length of the one-way valve 30a is set to be no greater than the main valve 50. The farthest distance from the end of the outlet to the center axis of the outlet pipe 52.
  • a plurality of outlet nozzles 52 are installed on the main valve 50, and the plurality of outlet nozzles 52 are arranged side by side on the main valve 50, and the total length of the one-way valve 30a is not greater than the end of the main valve 50 and The distance from the centerline axis of the outlet nozzle 52 farthest from the end.
  • the combined valve provided by this embodiment includes a pilot valve 81, a main valve 50 and a one-way valve 30a.
  • the central axis of the one-way valve 30a is formed by the central axis of the main valve 50 and the outlet connecting pipe 52. It is arranged in a plane or parallel to the plane, and the total length of the one-way valve 30a is set to be no greater than the farthest distance from the end of the main valve 50 to the central axis of the outlet nozzle 52.
  • the one-way function can be realized by using the one-way valve 30a, and the one-way valve 30a, the inlet connection pipe 51 and the outlet connection pipe 52 can be reasonably placed, so that the device has multiple functions and is more compact and saves space.
  • the valve body function can be enriched, the integration of the device can be improved, and the device can be made more compact.
  • the combined valve further includes a filter element 20, which is connected to the other end of the one-way valve 30a.
  • the filter element 20 By providing the filter element 20, the fluid can be filtered, so as to prevent excessive impurities from entering the valve body or subsequent equipment and affecting the normal operation of the valve body and the equipment.
  • the inlet connecting pipe 51 may be a straight pipe or an elbow pipe.
  • the inlet connection pipe 51 is set as an elbow, and the connection direction of the filter element 20 and the one-way valve 30a is the same as the axial direction of the main valve 50.
  • the combined valve further includes a detection element 60, and the detection element 60 is arranged on the side wall of the inlet nozzle 51 and/or the outlet nozzle 52.
  • the relevant data of the fluid can be detected, for example: the flow rate, flow velocity, pressure, etc. of the fluid. This facilitates real-time monitoring of the fluid.
  • the detection component 60 can be directly connected with the inlet nozzle 51 or the outlet nozzle 52, or indirectly connected with the nozzle via an auxiliary component.
  • the combined valve further includes a connecting piece 70, which is arranged on the side wall of the inlet nozzle 51 and/or the outlet nozzle 52, and the connecting piece 70 has an inlet 71 and an outlet 72,
  • the inlet 71 is connected to the inlet connecting pipe 51
  • the detecting member 60 is connected to the outlet 72
  • the detecting member 60 is connected to the connecting pipe through the connecting piece 70.
  • the detection elements 60 and the outlets 72 are arranged in a one-to-one correspondence.
  • the integration of components can improve the convenience of connection.
  • the connecting piece 70 is arranged on the inlet connection pipe 51, the connecting piece 70 has a plurality of outlets 72, one end of the capillary tube 82 communicates with the pilot valve 81, and the other end of the capillary tube 82 communicates with one of the outlets 72.
  • the connecting member 70 has a positioning structure, and the positioning structure is arranged at the inlet 71 and/or the outlet 72.
  • the positioning structure is arranged at the inlet 71 and/or the outlet 72.
  • annular boss 73 can be provided on the periphery of the inlet 71, and positioning is performed by the annular boss 73.
  • the connecting member 70 has a connecting hole, and the connecting hole forms an outlet 72.
  • the connecting hole can be designed as a stepped hole, and the stepped surface is used to form a positioning structure so that the end of the pipeline abuts against the stepped surface. Avoid the end of the pipeline from extending too deep or too shallow to ensure the reliability of the connection.
  • the one-way valve 30a includes: a valve body 30c, a piston 31 and a guide assembly.
  • the valve body 30c has a flow channel
  • one end of the valve body 30c is connected to the filter element 20
  • the other end of the valve body 30c is connected to the inlet connection pipe 51.
  • the piston 31 is movably arranged in the valve body 30c, and the piston 31 has a blocking position for blocking the flow passage and an open position for opening the flow passage.
  • the guide assembly is arranged in the valve body 30c, and the guide assembly is used to guide the piston 31. By providing the guide assembly, it is possible to ensure the stable and directional movement of the piston 31 in the valve body 30c.
  • the piston 31 has a guide hole
  • the guide assembly includes a guide post 34 and a positioning member 35.
  • the guide post 34 is arranged in the valve body 30c, the guide post 34 is inserted into the guide hole, and the guide post 34 is at least partially inserted into the guide hole to move the piston 31 along the axis of the guide post 34.
  • the guide post 34 has balance In the hole 341, one end of the balance hole 341 is communicated with the guide hole, and the other end of the balance hole 341 is communicated with the circulation channel.
  • the positioning member 35 is arranged in the valve body 30c, and the position of the guide column 34 in the valve body 30c can be fixed by the positioning member 35.
  • the left port of the valve body 30c is the inlet side
  • the right port is the outlet side
  • the inlet side is high pressure
  • the outlet side is low pressure.
  • the inner wall of the valve body 30c and/or the piston 31 is provided with a flow guiding structure 30b.
  • the flow guiding structure 30b By providing the flow guiding structure 30b, the turbulence of the fluid in the valve body 30c can be reduced, and the obstruction to the fluid can be reduced.
  • the valve body 30c has a first end and a second end that are opposed to each other.
  • the inner diameter of the first end gradually increases from the first end to the second end, so that the inner wall of the first end forms a diversion slope for diversion.
  • the piston 31 has a plugging end and a connecting end that are arranged oppositely, the plugging end is arranged close to the first end, and the outer diameter of the plugging end gradually decreases from the plugging end to the connecting end. With this arrangement, the outer wall of the plugging end also forms a diversion inclined surface, so that the fluid can pass through the piston 31 smoothly.
  • the fifth embodiment of the present application provides a combined valve.
  • the difference from the fourth embodiment is that there is no connecting member in this embodiment, and the capillary tube 82 and the detecting member 60 are directly connected to the inlet nozzle 51.
  • the number of device parts can be reduced.
  • the filter element 20, the one-way valve 30a and the detection element 60 are provided on the combined valve, which can realize the functions of filtering, one-way and detecting fluid; and through reasonable arrangement, the main valve 50 can be fully utilized.
  • a compact combination valve is constructed, so that the combination valve can meet the development requirements of miniaturization and integration.
  • the sixth embodiment of the present application provides a combined valve, which includes a connecting piece 70.
  • the connecting piece 70 is arranged on the side wall of the inlet connecting pipe 51 and/or the outlet connecting pipe 52.
  • the connecting piece 70 has an inlet 71 and at least one outlet 72.
  • the inlet 71 of the connecting piece 70 is used to communicate with the inlet connecting pipe 51 or the outlet connecting pipe 52.
  • At least one outlet 72 is used to communicate with the detection element 60.
  • the connecting piece 70 can be arranged on the inlet connecting pipe 51 or the outlet connecting pipe 52 as required, or on both the inlet connecting pipe 51 and the outlet connecting pipe 52.
  • the connecting piece 70 is arranged on the side wall of the inlet connecting pipe 51 and/or the outlet connecting pipe 52.
  • the connecting piece 70 has an inlet and at least one outlet, and the at least one outlet is used to communicate with the detecting piece 60.
  • the combined valve is a four-way valve, which includes an inlet port 51 and two outlet ports 52.
  • the main valve 50 has a valve core, and the valve core is operated to control the flow of fluid from a certain outlet port 52.
  • the connecting piece 70 communicates with the inlet connector 51
  • the connecting piece 70 includes a plurality of outlets 72
  • one end of the capillary tube 82 communicates with the pilot valve 81
  • the other end of the capillary tube 82 communicates with one of the outlets 72.
  • the connecting piece 70 and the capillary 82 are used to communicate the pilot valve 81 and the main valve 50, which reduces the amount of holes punched on the main valve 50 and facilitates pipeline connection.
  • Using the connecting member 70 to connect the capillary 82 and the detecting member 60 can improve the integration of components.
  • the multiple outlets are provided to facilitate the connection with the multiple detection elements 60 to perform different data detection on the valve body.
  • the diameters of the multiple outlets 72 are the same, which can ensure that the detection conditions of each outlet 72 are the same, and the accuracy of the detection result is ensured.
  • the connecting piece 70 has a cylindrical structure, the inlet 71 of the connecting piece 70 is arranged at one end of the connecting piece 70, and the outlet 72 of the connecting piece 70 is arranged on the side wall of the connecting piece 70 and the other end of the connecting piece 70. .
  • the connecting member 70 has a communicating cavity. Both ends of the connecting member 70 and the side wall of the connecting member 70 are provided with connecting holes, and the connecting holes are communicated with the communicating cavity.
  • the connecting hole at one end of the connecting member 70 forms an inlet 71
  • the connecting hole at the other end of the connecting piece 70 and on the side wall forms an outlet 72.
  • the axis of the inlet 71 coincides with the axis of the outlet 72 located at the end of the connector 70, which can reduce the collision of the fluid with the inner wall during the process of flowing out of the end outlet 72 and ensure the stability of fluid flow.
  • a plurality of outlets 72 are provided on the side wall of the connecting member 70, and the plurality of outlets 72 on the side wall of the connecting member 70 are arranged symmetrically with respect to the axis of the inlet 71.
  • the connecting member 70 is provided with an annular boss 73, and the annular boss 73 is arranged along the periphery of the inlet 71.
  • the annular boss 73 can be extended into the connecting hole of the inlet nozzle 51, so that the connecting piece 70 is connected with the inlet nozzle 51.
  • the connecting member 70 is provided with a connecting hole, the connecting hole forms an outlet 72, the connecting hole is a stepped hole, and the diameter of the connecting hole near the outside of the connecting member 70 is larger than the diameter of the connecting hole near the inside of the connecting member 70.
  • the combined valve can also be provided with a copper connector, and the copper connector is provided at the outlet 72.
  • the connecting piece 70 can be made of stainless steel, the copper connection pipe and the connection piece 70 can be connected by riveting, and the detecting piece 60 and the capillary tube 82 are connected with the copper connection pipe at the outlet 72.
  • the outer diameter of the copper nozzle is adapted to the maximum diameter of the stepped hole, so as to use the stepped hole for assembly and positioning.
  • the difference from the sixth embodiment is that the outlet 72 on the connecting member 70 is arranged at a different position.
  • the connecting member 70 has a cylindrical structure, the inlet 71 of the connecting member 70 is arranged at one end of the connecting member 70, and the multiple outlets 72 of the connecting member 70 are all arranged at the other end of the connecting member 70.
  • the plurality of outlets 72 are symmetrically arranged about the axis of the inlet 71. In this way, the turbulence of the fluid in the connecting member 70 can be reduced, and the stability of the fluid flow can be ensured.
  • the connecting piece 70 is arranged on the inlet nozzle 51, and the outlet on the connecting piece 70 is used to connect the detecting piece 60, which facilitates installation and connection, reduces installation steps, and uses the connecting piece 70 to connect the capillary 82 , Can reduce the number of punching holes and improve the integration of parts.
  • the inlet connector 51 has a first section and a second section that are connected to each other, the first section and the second section have an angle, and the first section is connected with the one-way valve 30a.
  • the specific angle can be set according to actual needs to avoid interference with other components.
  • the axis of the filter element 20, the axis of the one-way valve 30a, and the axis of the port of the first section coincide with each other.
  • the axis of the inlet nozzle 51, the axis of the main valve 50, and the axis of the outlet nozzle 52 are all on the same plane.
  • the combined valve further includes a detection element 60, and the detection element 60 is arranged on the side wall of the inlet nozzle 51 and/or the outlet nozzle 52.
  • the relevant data of the fluid can be detected, for example: the flow rate, flow velocity, pressure, etc. of the fluid. This facilitates real-time monitoring of the fluid.
  • the detection component 60 can be directly connected with the inlet nozzle 51 or the outlet nozzle 52, or indirectly connected with the nozzle via an auxiliary component.
  • the combined valve further includes a connecting piece 70, which is arranged on the side wall of the inlet nozzle 51 and/or the outlet pipe 52, and the connecting piece 70 has an inlet 71 and The outlet 72, the inlet 71 are connected to the inlet connecting pipe 51, the detecting piece 60 is connected to the outlet 72, and the detecting piece 60 is connected to the connecting pipe through the connecting piece 70.
  • a connecting piece 70 which is arranged on the side wall of the inlet nozzle 51 and/or the outlet pipe 52, and the connecting piece 70 has an inlet 71 and The outlet 72, the inlet 71 are connected to the inlet connecting pipe 51, the detecting piece 60 is connected to the outlet 72, and the detecting piece 60 is connected to the connecting pipe through the connecting piece 70.
  • the detection elements 60 and the outlets 72 are arranged in a one-to-one correspondence.
  • the integration of components can improve the convenience of connection.
  • the connecting piece 70 is arranged on the inlet connection pipe 51, the connecting piece 70 has a plurality of outlets 72, one end of the capillary tube 82 communicates with the pilot valve 81, and the other end of the capillary tube 82 communicates with one of the outlets 72.
  • connection between the inlet nozzle 51 and the main valve 50 does not coincide with the centerline of the main valve 50 in the radial direction.
  • This arrangement can prevent the fluid flowing into the main valve 50 from the inlet nozzle 51 from directly impacting the spool in the middle of the main valve 50 and reduce the resistance to the fluid.
  • the one-way valve 30a includes: a valve body 30c, a piston 31 and a guide assembly.
  • the valve body 30c has a flow channel, one end of the valve body 30c is connected to the filter element 20, and the other end of the valve body 30c is connected to the inlet connection pipe 51.
  • the piston 31 is the aforementioned valve core.
  • the piston 31 is movably arranged in the valve body 30c.
  • the piston 31 has a blocking position for blocking the flow passage and an open position for opening the flow passage.
  • the guide assembly is arranged in the valve body 30c, and the guide assembly is used to guide the piston 31. By providing the guide assembly, it is possible to ensure the stable and directional movement of the piston 31 in the valve body 30c.
  • the piston 31 has a guide hole
  • the guide assembly includes a guide post 34 and a positioning member 35.
  • the guide post 34 is arranged in the valve body 30c, the guide post 34 is inserted into the guide hole, and the guide post 34 is at least partially inserted into the guide hole to move the piston 31 along the axis of the guide post 34.
  • the guide post 34 has balance In the hole 341, one end of the balance hole 341 is communicated with the guide hole, and the other end of the balance hole 341 is communicated with the circulation channel.
  • the positioning member 35 is arranged in the valve body 30c, and the position of the guide column 34 in the valve body 30c can be fixed by the positioning member 35.
  • the left port of the valve body 30c is the inlet side
  • the right port is the outlet side
  • the inlet side is high pressure
  • the outlet side is low pressure.
  • the inner wall of the valve body 30c and/or the piston 31 is provided with a flow guiding structure 30b.
  • the flow guiding structure 30b By providing the flow guiding structure 30b, the turbulence of the fluid in the valve body 30c can be reduced, and the obstruction to the fluid can be reduced.
  • the valve body 30c has a first end and a second end that are opposed to each other.
  • the inner diameter of the first end gradually increases from the first end to the second end, so that the inner wall of the first end forms a diversion slope for diversion.
  • the piston 31 has a plugging end and a connecting end that are arranged oppositely, the plugging end is arranged close to the first end, and the outer diameter of the plugging end gradually decreases from the plugging end to the connecting end. With this arrangement, the outer wall of the plugging end also forms a diversion inclined surface, so that the fluid can pass through the piston 31 smoothly.
  • the eighth embodiment of the present application provides a combined valve.
  • the axis of the main valve 50 and the axis of the outlet pipe 52 are located on the same plane, and the axis of the first section has a clamp between the axis of the first section and the plane. Horn.
  • the axis of the first section is perpendicular to the plane where the axis of the main valve 50 and the axis of the outlet pipe 52 are located.
  • the above structure can also reduce the size of the entire device in the vertical direction and make the structure compact.
  • the ninth embodiment of the present application provides a combined valve.
  • the axis of the main valve 50 and the axis of the outlet pipe 52 are located on the same plane, and the axis of the first section is parallel to the plane.
  • the end of the first section extends to the side where the outlet pipe 52 of the main valve 50 is located, which can further reduce the size of the device in the vertical direction and make the device more compact.
  • orientation words such as “front, back, up, down, left, right", “horizontal, vertical, vertical, horizontal” and “top, bottom” and other directions indicate the orientation Or positional relationship is usually based on the positional or positional relationship shown in the drawings, which is only used to facilitate the description of the application and simplify the description. Unless otherwise stated, these positional words do not indicate or imply the pointed device or element It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the scope of protection of the present application; the orientation word “inside, outside” refers to the inside and outside relative to the contour of each component itself.
  • spatial relative terms can be used here, such as “above”, “above”, “above the surface”, “above”, etc., to describe as shown in the figure Shows the spatial positional relationship between one device or feature and other devices or features. It should be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described in the figure. For example, if the device in the drawing is turned upside down, then a device described as “above other devices or structures” or “above other devices or structures” will then be positioned as “below the other devices or structures” or “on Under other devices or structures”. Thus, the exemplary term “above” may include both orientations “above” and “below”. The device can also be positioned in other different ways (rotated by 90 degrees or in other orientations), and the relative description of the space used here will be explained accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Check Valves (AREA)
  • Details Of Valves (AREA)

Abstract

L'invention concerne un ensemble de corps de vanne et une vanne combinée le comportant. L'ensemble de corps de vanne comprend : un boîtier (10), le boîtier (10) comprenant un premier canal et un second canal qui sont en communication l'un avec l'autre, et le diamètre interne de la partie centrale du premier canal étant inférieur au diamètre interne de la partie centrale du second canal ; un élément de filtration (20) disposé dans le premier canal, l'élément de filtration (20) étant configuré de façon à filtrer un fluide ; et un ensemble de cœur de vanne (30) disposé de façon mobile dans le second canal, l'ensemble de cœur de vanne (30) étant situé en aval de l'élément de filtration (20) dans la direction d'écoulement de fluide, et l'ensemble de cœur de vanne (30) ayant une position d'obturation pour boucher le second canal, et une position ouverte. L'ensemble de corps de vanne peut résoudre le problème de l'état antérieur de la technique, qui est qu'un clapet de non-retour se bloque facilement.
PCT/CN2021/081184 2020-04-10 2021-03-16 Ensemble de corps de vanne et vanne combinée le comportant WO2021203926A1 (fr)

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JP2022545356A JP2023520282A (ja) 2020-04-10 2021-03-16 弁体アセンブリ及びそれを有する複合弁

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CN202010280918.1A CN113513607B (zh) 2020-04-10 2020-04-10 组合阀
CN202020529193.0 2020-04-10
CN202010280920.9 2020-04-10
CN202010280918.1 2020-04-10
CN202010280920.9A CN113513608A (zh) 2020-04-10 2020-04-10 组合阀
CN202020529325.X 2020-04-10
CN202020529462.3U CN212080232U (zh) 2020-04-10 2020-04-10 组合阀
CN202020529462.3 2020-04-10
CN202020529193.0U CN212080250U (zh) 2020-04-10 2020-04-10 阀体组件及具有其的组合阀
CN202020529325.XU CN212080251U (zh) 2020-04-10 2020-04-10 单向阀及具有其的组合阀

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CN114540560A (zh) * 2021-12-21 2022-05-27 内蒙古高等级公路建设开发有限责任公司 钢渣环保处理装置
WO2023185916A1 (fr) * 2022-04-02 2023-10-05 浙江盾安人工环境股份有限公司 Noyau de soupape et clapet de non-retour

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