WO2021008279A1 - 一种控制阀 - Google Patents

一种控制阀 Download PDF

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Publication number
WO2021008279A1
WO2021008279A1 PCT/CN2020/095487 CN2020095487W WO2021008279A1 WO 2021008279 A1 WO2021008279 A1 WO 2021008279A1 CN 2020095487 W CN2020095487 W CN 2020095487W WO 2021008279 A1 WO2021008279 A1 WO 2021008279A1
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WO
WIPO (PCT)
Prior art keywords
valve
hole
limiting member
opening
bottom wall
Prior art date
Application number
PCT/CN2020/095487
Other languages
English (en)
French (fr)
Inventor
汪立新
吕荟鹏
路永品
王正伟
Original Assignee
浙江三花汽车零部件有限公司
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
Application filed by 浙江三花汽车零部件有限公司 filed Critical 浙江三花汽车零部件有限公司
Priority to EP20841399.7A priority Critical patent/EP4001711A4/en
Publication of WO2021008279A1 publication Critical patent/WO2021008279A1/zh

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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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/10—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members with special arrangements for separating the sealing faces or for pressing them together
    • 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
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • 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
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
    • F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0227—Packings
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P2007/146—Controlling of coolant flow the coolant being liquid using valves

Definitions

  • the invention relates to the technical field of fluid control, in particular to a control valve.
  • the control valve can be used in a fluid medium pipeline system, for example, can be used to switch flow paths. Take the application of control valves in the automotive field as an example. Control valves can be used in air conditioning systems, engine cooling systems, or battery cooling systems.
  • the control valve includes a movable valve core 81 and a static valve disc 82 located in the valve body 7, and the valve port 71 of the static valve disc 82 is cut off or opened by the rotation of the valve core 81.
  • a sealing gasket 9 is also provided between the static valve plate 82 and the valve body 7, and the pressure of the valve core 81 acting on the static valve plate 82 is required to make the static valve plate 82 abut the sealing gasket 9.
  • the technical solution of the present invention provides a control valve.
  • the control valve includes a valve body and a valve core assembly.
  • the valve body has a valve cavity. At least a part of the valve core assembly is accommodated in the valve cavity.
  • the valve body further includes a first opening portion and a second opening portion, the valve body has a valve cavity bottom wall portion, wherein the second opening portion is located at the valve cavity bottom wall portion; characterized in that,
  • the valve core assembly includes a first valve plate and a second valve plate.
  • the first valve plate is close to the bottom wall of the valve cavity relative to the second valve plate.
  • the first valve plate and the valve cavity A sealing gasket is provided between the bottom wall, the first valve disc has a first through hole and a second through hole, the sealing gasket has a third through hole, and the third through hole is connected to the second opening.
  • the first through hole and the third through hole are arranged correspondingly;
  • the control valve further includes a first limiting member, the first limiting member passes through the second through hole, one end of the first limiting member abuts the first valve disc, and the first limiting member The other end of a limiting component is fixed with the valve body or is an integral structure.
  • the first limiting component can make the first valve disc and the valve body relatively fixed, reducing the possibility of loosening of the sealing gasket between the first valve disc and the bottom wall of the valve cavity.
  • the sealing reliability of the second opening is enhanced.
  • Figure 1 shows a schematic front view of an embodiment of the present invention
  • Figure 2 shows a schematic cross-sectional view of the control valve shown in Figure 1;
  • Figure 3 shows a perspective view of a part of the control valve shown in Figure 1;
  • Figure 4 shows the exploded schematic diagram of Figure 3
  • Figure 5 shows a schematic top view of Figure 3
  • Fig. 6 shows a schematic cross-sectional view of a part of the control valve shown in Fig. 5 along the line A-A;
  • Fig. 7 shows a three-dimensional schematic diagram of a second limiting component in the control valve shown in Fig. 4;
  • Fig. 8 shows a schematic cross-sectional view of the second limiting component shown in Fig. 7 along the line B-B;
  • Fig. 9 shows a partial enlarged schematic diagram of Fig. 6;
  • Figure 10 shows an exploded schematic view of a part of yet another embodiment of the present invention.
  • Figure 11 shows a perspective view of a part of the control valve shown in Figure 10;
  • Figure 12 shows a schematic cross-sectional view of a part of the control valve shown in Figure 10;
  • Figure 13 shows a schematic cross-sectional view of a control valve.
  • the control valve includes a valve body 1 and a valve core assembly 5.
  • the valve body 1 has a valve cavity 14, at least a part of the valve core assembly 5 is housed in the valve cavity 14, and another part of the valve core assembly 5 can extend out of the valve cavity 14, for example, a part of the first transmission portion 531 extends out of the valve cavity 14 outside.
  • the control valve further includes a driving part 6, and the driving part 53 is in transmission connection with the driving part 6.
  • the driving part 6 can drive the second valve disc 52 to rotate to a certain angle through the driving part 53.
  • the transmission component 53 includes an elastic element 533, a first transmission portion 531 and a connection portion 532.
  • the connecting portion 532 and the first transmission portion 531 can be relatively displaced in the axial direction.
  • the elastic element 533 abuts against the first transmission portion 531, and the other end of the elastic element 533 abuts against the connecting portion 532.
  • the elastic element 533 is in a compressed state.
  • the elastic element 533 can apply at least one portion toward the bottom wall of the valve cavity to the connecting piece 532.
  • the pressure of 141 makes the second valve disc 52 also receive a pressure toward the bottom wall 141 of the valve cavity.
  • the second valve plate 52 closely fits with the first valve plate 51 in a normal working state, and this pressure can be referred to as a pre-tightening force.
  • the “axial direction” refers to the direction of the rotation axis of the second valve plate 52.
  • the valve body 1 further includes a first opening 16, a second opening 17, and a third opening 19.
  • the valve body 1 also has a first interface channel 103, a second interface channel 104, and a third opening.
  • Three interface passages (not shown in the figure), the first opening 16 is located at the connecting part of the first interface passage 103 and the valve cavity 14, and the second opening 17 is located at the connecting part of the second interface passage 104 and the valve cavity 14.
  • the three openings 19 are located at the connection part of the third interface passage and the valve cavity 14.
  • the valve core assembly 5 includes a first valve plate 51 and a second valve plate 52.
  • the first valve plate 51 is close to the bottom wall portion 141 of the valve chamber relative to the second valve plate 52.
  • the second opening portion 17 and the third opening portion 19 are also provided In the valve cavity bottom wall 141 of the valve cavity 14.
  • the first valve plate 51 has a first through hole 514 and a sixth through hole 515.
  • the first through hole 514 is aligned and communicated with the second opening portion 17, and the sixth through hole 515 is aligned and communicated with the third opening portion 19.
  • the size and shape of the first through hole 514 and the second opening portion 17 may be approximately the same, and the shape and size of the sixth through hole 515 and the third opening portion 19 may be approximately the same.
  • the first valve plate 51 has a first side surface 516 and a second side surface 517, and the first side surface 516 is in contact with the second valve plate 52.
  • the second valve plate 52 is rotatably installed in the valve cavity 14.
  • the second valve plate 52 can open and close the first through hole 514 of the first valve plate 51, and/or adjust the opening of the first through hole 514, and can open and close the sixth through hole. 515, and/or adjust the opening of the sixth through hole 515.
  • the first valve plate 51 may be substantially disc-shaped, and the second valve plate 52 may be substantially fan-shaped.
  • the first through hole 514 and the second opening 17 may be substantially fan-shaped.
  • the first through hole 514 is arranged in a fan shape.
  • the sector-shaped second valve plate 52 rotates relative to the first valve plate 51.
  • the equivalent flow area of the sector-shaped first through hole 514 is approximately as the second valve plate.
  • the rotation angle of the plate 52 is proportionally increased or decreased, which is beneficial to the precise control of the flow rate of the first through hole 514.
  • the sixth through hole 515 and the third opening 19 may be substantially fan-shaped.
  • the valve body 1 further includes an isolation portion 15 located on the bottom wall portion 141 of the valve cavity, and the isolation portion 15 is located between the second opening portion 17 and the third opening portion 19.
  • the second opening portion 17 and the third opening portion 19 may be symmetrically distributed on both sides of the isolation portion 15.
  • a gasket 4 is also provided between the first valve disc 51 and the bottom wall 141 of the valve cavity.
  • the gasket 4 has a third through hole 41 and a seventh through hole 43.
  • the third through hole 41 is provided corresponding to the second opening 17 and the first through hole 514, and the seventh through hole 43 is connected to the third opening 19 and the first through hole.
  • the six through holes 515 are correspondingly arranged.
  • the first valve plate 51 has a second through hole 512
  • the control valve further includes a first limiting member 3, and the first limiting member 3 passes through the second through hole 512.
  • One end of the first limiting member 3 abuts against the first valve plate 51, and the other end of the first limiting member 3 is fixed to the valve body or is an integral structure.
  • the first limiting component 3 includes a head 31 and a rod 32.
  • the outer diameter of the head 31 is larger than the rod 32.
  • the other end of the rod 32 can extend into the bottom wall 141 of the valve cavity and be fixed with the valve body.
  • the position part 3 and the bottom wall part 141 of the valve cavity can be fixed by screw connection, clamping and other methods.
  • the rod 32 penetrates the second through hole 512.
  • the first limiting member 3 can limit the first valve disc 51 between the head 31 and the valve cavity bottom wall 141 so that the first valve disc 51 and the sealing gasket 4 and the valve cavity bottom wall 141 are relatively fixed.
  • the second through hole 512 further includes a recess 513, and the recess 513 is recessed in the first side surface 516.
  • the head 31 is accommodated in the recess 513, and the head 31 abuts against the recess 513, and the head 31 does not protrude from the first side surface 516, so that the head 31 and the second valve plate 52 can not interfere with each other.
  • the recessed portion 513 can reduce the contact area between the first side surface 516 and the second valve plate 52, thereby reducing the difference between the first valve plate 51 and the second valve plate 52. Friction between.
  • the first limiting member 3 may be eccentrically arranged on the first valve plate 51, and the second through hole 512 corresponding to the first limiting member 3 may also be eccentrically arranged.
  • the control valve When the control valve is connected to the waterway system, the control valve may be subjected to the fluid pressure acting on the second opening 17 and directed to the valve cavity, even when the fluid pressure in the waterway system is greater than the pretension force of the elastic element 533, causing the second The valve plate 52 is pushed away from the first valve plate 51 by the pressure of the fluid. Due to the restriction of the first limiting member 3, the first valve plate 51 will not be washed away from the bottom wall 141 of the valve cavity by the fluid pressure, thereby reducing This eliminates the risk that the first valve disc 51 and the gasket 4 cannot return to their original positions after being separated from the bottom wall 141 of the valve cavity, thereby increasing the reliability of the fluid seal between the first valve disc 51 and the valve body 1.
  • the “outer diameter” mentioned in the foregoing does not mean that the outer contours of the rod and head are restricted to a circle, and the “inner diameter” does not mean that the inner contour of the through hole is restricted to a circle.
  • the outer contour of the rod, the head, or the inner contour of the through hole can also be other shapes, such as elliptical, polygonal, etc.
  • the "outer diameter” refers to the maximum width of the cross-section of the head, such as when the head When the cross-section of the ellipse is an ellipse, the "outer diameter” refers to the length of the major axis of the ellipse.
  • the “inner diameter” refers to the maximum width of the cross section of the through hole.
  • the “inner diameter” refers to the length of the major axis of the ellipse.
  • the shape of the cross section of the outer peripheral surface of the rod portion may not be circular, and the shape of the cross section of the inner wall surface of the second through hole is complementary to the shape of the rod portion, It can play a role in relatively preventing the rotation of the first valve plate 51 around the rod, that is, it can position and limit the first valve plate 51 in a direction parallel to the second opening portion 17, which is beneficial to the first valve plate 51. installation.
  • the first limiting component 3 and the valve body may be a separate structure.
  • the rod portion 32 may have an external thread.
  • the valve body 1 can be made of metal or plastic.
  • the first limiting member 3 is made of plastic material, the first limiting member 3 and the valve body 1 may be an integral structure, and the head 31 may be formed by melting and solidifying.
  • the gasket 4 includes a first sealing portion 46, the first sealing portion 46 surrounds the second opening portion 17, and when the second opening portion 17 is fan-shaped, the first sealing portion 46 may also be as shown in FIG. Sector setting.
  • the first sealing portion 46 may be in a compressed state, so that the second opening portion 17 communicates with the first through hole 514 and is sealed.
  • the gasket 4 further includes a second sealing portion 47, which surrounds the third opening 19, and when the third opening 19 is fan-shaped, the second sealing portion 47 may also be fan-shaped as shown in FIG. 4.
  • the second sealing portion 47 may be in a compressed state, so that the third opening portion 19 communicates with the sixth through hole 515 and is sealed.
  • the first sealing part 46 and the second sealing part 47 may be partially overlapped. In FIG.
  • the first sealing part 46 and the second sealing part 47 are connected in two fan shapes to form a structure with a gap larger than a semicircle.
  • the overlapped part corresponds to the isolation part 15 of the bottom wall part 141 of the valve cavity.
  • the first limiting member 3 is inserted into the second through hole 512 and penetrates the notch position of the sealing gasket 4 to enter the second hole 18.
  • the first limiting member 3 is separated from the second opening 17 at a distance, and at least a part of the first sealing portion 46 is provided between the first limiting member 3 and the second opening 17, which can prevent or reduce the flow of fluid from the The two through holes 512 flow in or out, which improves the sealing effect.
  • the first limiting member 3 and the third opening 19 are separated by a distance, and at least a part of the second sealing portion 47 is provided between the first limiting member 3 and the third opening 19, which can prevent or reduce the flow of fluid from the second
  • the hole 512 flows in or flows out, which improves the sealing effect.
  • the valve body 1 includes a bottom wall surface 101 located on the bottom wall portion 141 of the valve chamber.
  • the valve body 1 includes a first rib 171 and a second rib 191 protruding from the bottom wall surface 101.
  • the first rib 171 surrounds The second opening 17 and the second rib 191 surround the third opening 19.
  • the first rib 171 is provided between the first sealing portion 46 and the second opening portion 17, and the second rib 191 is provided between the second sealing portion 47 and the third opening portion 19.
  • the first rib 171 can limit the first sealing portion 46 in a direction parallel to the second opening portion 17, so that the first sealing portion 46 always surrounds the outer peripheral side of the second opening portion 17, reducing The gasket 4 deviates from the original position in a direction parallel to the second opening portion 17, thereby causing the risk of sealing failure of the second opening portion 17.
  • the second rib 191 can limit the second sealing portion 47 in a direction parallel to the third opening 19.
  • the control valve includes a second limiting member 2.
  • the second limiting member 2 includes a ring wall portion 21.
  • the second limiting member 2 also includes a notch portion 23 extending along the axial direction of the second limiting member 2.
  • the ring wall portion 21 is curled, and the ring wall portion 21 has elasticity.
  • the cross section of the ring wall portion 21 may be substantially arc-shaped.
  • the second limiting member 2 includes an outer peripheral surface 212 located on the outer periphery of the ring wall portion 21.
  • the second limiting member 2 has an inner cavity 24 therein, and the inner cavity 24 extends along the axial direction of the second limiting member 2.
  • the dotted line in FIG. 8 refers to the state of the second limiting member 2 before it is compressed.
  • the sealing gasket 4 may further have a fifth through hole 42, and the fifth through hole 42 is provided corresponding to the fourth through hole 511 of the first valve plate 51.
  • the fourth through hole 511 is close to the inner wall corresponding to the valve cavity relative to the second through hole 512.
  • the second limiting member 2 passes through the fourth through hole 511 and the fifth through hole 42, the second limiting member 2 is in interference fit with the fourth through hole 511, and the second limiting member 2 can pass through the fifth through hole 42 With a positive fit, one end of the second limiting member 2 is located in the fourth through hole 511, and the other end of the second limiting member is fixed to the valve body.
  • the valve body 1 includes a first hole 12 provided on the bottom wall 141 of the valve cavity, one end of the second limiting member 2 is inserted into the first hole 12, and the other end of the second limiting member 2 is inserted into the fourth through hole 511.
  • the second limiting member 2 can realize the positioning of the first valve disc 51 in a direction parallel to the second opening portion 17, so that the first through hole 514 of the first valve disc 51 is more accurately aligned with the second opening of the valve body 1. ⁇ 17 is aligned.
  • the positioning and circumferential limiting of the first valve disc 51 and the sealing gasket 4 can be realized by the second limiting component 2 and the first limiting component 3.
  • the second limiting member 2 may also be an integral structure with the valve body 1. It should be noted here that the number of the second limiting component 2 is not limited to one, and may be greater than or equal to two.
  • the first limiting member 3 is deviated from the rotation axis of the second valve plate 52, and the first valve plate 51 receives the first limiting member 3 toward the bottom wall 141 of the valve chamber.
  • the first valve plate 51 has a tendency to separate from the bottom wall 141 of the valve cavity on the side away from the second through hole 512.
  • the second limiting member 2 can generate a frictional force on the first valve plate 51 toward the bottom wall portion 141 of the valve cavity, so that the side of the first valve plate 51 away from the second through hole 512 and the bottom wall portion 141 of the valve cavity Without relative separation, the risk of failure of the gasket 4 is relatively reduced.
  • the cost of using the second limiting member 2 is lower, and the space occupied by the second limiting member 2 is smaller.
  • the second limiting member 2 can be directly pressed into the fourth through hole 511 and the first hole 12, and the installation process is relatively simple.
  • the second limiting member 2 also includes a tapered guide portion 25, which is located at the two axial ends of the second limiting member 2 to facilitate the insertion of the second limiting member 2 with a relatively large inner diameter.
  • the inner diameter of the first hole 12 is slightly smaller than the outer diameter of the second limiting member 2 when the first hole 12 is not inserted.
  • the first hole 12 may be substantially tapered, with a larger inner diameter near the orifice, and a smaller inner diameter away from the orifice, which can play a guiding role when the second limiting member 2 is inserted into the first hole 12.
  • the first hole 12 and the second hole 18 are located at both ends of the partition 15, which can reduce the space occupied by the second opening 17 and the third opening 19.
  • the distance between the second limiting member 2 and the first limiting member 3 is relatively large, so that the swing amplitude of the first valve plate 51 around the first limiting member 3 or the second limiting member 2 is relatively small, thereby making The positioning of the first valve plate 51 is more precise.
  • the inner wall surface of the second through hole 512 is in clearance fit with the rod 32 of the first limiting member 3.
  • a certain margin can be left between the first limiting member 3 and the first valve plate 51, so that when the center of the second through hole 512 slightly deviates from the center of the second hole 18, the first limiting member A part of 3 is screwed into the second hole 18.
  • the first valve disc 51 includes a second recessed portion 519 located on the edge of the first valve disc 51, and the valve body includes a convex At least a part of the protrusion 111 on the inner wall surface of the valve cavity 14 extends into the second recess 519.
  • a part of the outer peripheral surface of the raised portion 111 can be clearance fit with the inner wall surface of the second recessed portion 519, and the positioning of the first valve plate 51 can be realized, so that the first through hole 514 and the second opening 17 are more accurately aligned, which is convenient
  • the installation can also limit the circumferential rotation of the first valve disc 51 and the gasket 4.
  • the convex portion 111 and the boss 102 may be located at both ends of the partition portion 15, so that the distance between the convex portion 111 and the first limiting member 3 is relatively large, so that the first valve plate 51 is around the first limiting member 3 or
  • the swing amplitude around the protrusion 111 is relatively small, which in turn makes the positioning of the first valve plate 51 more accurate.
  • the height of the protrusion 111 protruding from the bottom wall surface 101 is greater than the height of the first rib 171 and the second rib 191. At least a part of the gasket 4 surrounds the first rib 171.
  • the valve body also includes a boss 102 protruding from the bottom wall 101.
  • the height of the boss 102 is the same as or approximately the same as the height of the first rib 171, and the height of the second rib 191 is the same as
  • the protrusion heights of the first ribs 171 are the same or approximately the same, and the orifice of the second hole 18 is located on the boss 102, and the second side surface of the first valve plate 51 can abut the boss 102, the first rib 171 and the second rib 191 .
  • the gasket 4 may have a notch 44 at the edge of the gasket 4, and the notch 44 extends from the edge of the gasket 4 to the center.
  • the notch 44 is aligned with the second recess 519, and a part of the protrusion 111 extends into the notch 44. It can prevent the gasket 4 from rotating.
  • the gasket 4 also includes a third sealing portion 48, which is relatively far away from the second opening 17 and the third opening 19, and the thickness of the gasket 4 in the uncompressed state is greater than that of the boss 102, the first rib 171, and the second opening.
  • the first valve plate 51 With the height of the two ribs 191, the first valve plate 51 will receive the elastic force of the first sealing part 46 and the second sealing part 47 near the third opening 19 and the second opening 17, and the first valve plate 51 is relatively far away from the The three openings 19 and the second opening 17 receive the elastic force of the third sealing portion 48, so that the force of the first valve plate 51 is relatively balanced.

Abstract

控制阀包括阀体（1）和阀芯组件（5），阀芯组件（5）的至少一部分容置于阀腔（14）内，阀体（1）还包括第一开口部（16）和第二开口部（17），其中第二开口部（17）位于阀腔底壁部（141），阀芯组件（5）包括第一阀片（51）和第二阀片（52），第一阀片（51）相对于第二阀片（52）靠近阀腔底壁部（141），第一阀片（51）与阀腔底壁部（141）之间设置有密封垫（4），第一阀片（51）具有第一通孔（514）和第二通孔（512），密封垫（4）具有第三通孔（41），第三通孔（41）与第二开口部（17）相对应设置，第一通孔（514）与第三通孔（41）相对应设置，第一限位部件（3）穿过第二通孔（512），第一限位部件（3）的一端与第一阀片（51）抵接，第一限位部件（3）的另一端与阀体（1）固定或为一体结构。

Description

一种控制阀
本申请要求于2019年07月18日提交中国专利局、申请号为201910648295.6、发明名称为“一种控制阀”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及流体控制技术领域，尤其涉及一种控制阀。
背景技术
控制阀可以应用于流体介质管路系统中，例如可以用于切换流路。以控制阀在汽车领域的应用为例，控制阀可使用于空调系统、发动机冷却系统或者电池冷却系统。
在一种如图13所示的控制阀，控制阀包括动阀芯81和位于阀体7内的静阀片82，通过阀芯81的转动来切断或打开静阀片82的阀口71，静阀片82与阀体7之间还设置有密封垫9，而且还需要通过阀芯81作用于静阀片82的压力使得静阀片82与密封垫9相抵接。
发明内容
本发明的技术方案提供一种控制阀，所述控制阀包括阀体和阀芯组件，所述阀体具有阀腔，所述阀芯组件的至少一部分容置于所述阀腔内，所述阀体还包括第一开口部和第二开口部，所述阀体具有阀腔底壁部，其中第 二开口部位于阀腔底壁部；其特征在于，
所述阀芯组件包括第一阀片和第二阀片，所述第一阀片相对于所述第二阀片靠近所述阀腔底壁部，所述第一阀片与所述阀腔底壁部之间设置有密封垫，所述第一阀片具有第一通孔和第二通孔，所述密封垫具有第三通孔，所述第三通孔与所述第二开口部相对应设置，所述第一通孔与所述第三通孔相对应设置；
所述控制阀还包括第一限位部件，所述第一限位部件穿过所述第二通孔，所述第一限位部件的一端与所述第一阀片抵接，所述第一限位部件的另一端与所述阀体固定或为一体结构。
本方案提供的控制阀中，第一限位部件可以使得第一阀片与阀体相对固定，减小了位于第一阀片与阀腔底壁部之间的密封垫发生松动的可能性，增强了第二开口部的密封可靠性。
附图说明
图1示出了本发明的一种实施方式的主视示意图；
图2示出了图1所示控制阀的剖视示意图；
图3示出了图1所示控制阀的一部分的立体示意图；
图4示出了图3的爆炸示意图；
图5示出了图3的俯视示意图；
图6示出了图5所示控制阀的一部分沿A-A线的剖视示意图；
图7示出了图4所示控制阀中的第二限位部件的立体示意图；
图8示出了图7所示第二限位部件沿B-B线的剖视示意图；
图9示出了图6的局部放大示意图；
图10示出了本发明的又一种实施方式的一部分的爆炸示意图；
图11示出了图10所示控制阀的一部分的立体示意图；
图12示出了图10所示控制阀的一部分的剖视示意图；
图13示出了一种控制阀的剖视示意图。
具体实施方式
下面结合附图对实施例进行具体说明。
如图1和图2所示，控制阀包括阀体1和阀芯组件5。阀体1具有阀腔14，阀芯组件5的至少一部分容置于阀腔14内，阀芯组件5的另一部分可伸出阀腔14外，例如第一传动部531的一部分伸出阀腔14外。控制阀还包括驱动部6，传动部件53与驱动部6传动连接，驱动部6可通过传动部件53带动第二阀片52转动一定角度。传动部件53包括弹性元件533、第一传动部531和连接部532。连接部532与第一传动部531可在轴向上相对位移。弹性元件533一端与第一传动部531抵接，弹性元件533的另一端与连接部532抵接，弹性元件533处于压缩状态，弹性元件533可以对连接件532至少施加一个朝向阀腔底壁部141的压力，使得第二阀片52也受到一个朝向阀腔底壁部141的压力。使得第二阀片52在正常工作状态时与第一阀片51较为紧密地贴合，此压力可称为预紧力。“轴向”指的是第二阀片52的旋转轴的方向。
如图2至图4所示，阀体1还包括第一开口部16、第二开口部17以及第三开口部19，阀体1还具有第一接口通道103、第二接口通道104和 第三接口通道(图中未示出)，第一开口部16位于第一接口通道103与阀腔14的连接部位，第二开口部17位于第二接口通道104与阀腔14的连接部位，第三开口部19位于第三接口通道与阀腔14的连接部位。阀芯组件5包括第一阀片51和第二阀片52，第一阀片51相对于第二阀片52靠近阀腔底壁部141，第二开口部17和第三开口部19也设置于阀腔14的阀腔底壁部141。
如图2至图4所示，第一阀片51具有第一通孔514和第六通孔515。第一通孔514与第二开口部17对齐设置且连通，第六通孔515与第三开口部19对齐设置且连通。第一通孔514与第二开口部17的大小与形状可大致相同，第六通孔515与第三开口部19的形状与大小可大致相同。第一阀片51具有第一侧面516和第二侧面517，第一侧面516与第二阀片52接触。第二阀片52可旋转地安装于阀腔14中。在传动部分53的带动下第二阀片52可打开、关闭第一阀片51的第一通孔514、和/或调节第一通孔514的开度大小、可打开、关闭第六通孔515、和/或调节第六通孔515的开度大小。
如图2至图4所示，第一阀片51可大致呈圆盘形，第二阀片52可大致呈扇形。第一通孔514与第二开口部17可大致呈扇形。这里将第一通孔514设置成扇形。扇形的第二阀片52相对于第一阀片51转动，当第二阀片52覆盖至少一部分第一通孔514时，扇形的第一通孔514的等效流通面积大致随着第二阀片52的转动角度成比例地增大或减小，有利于第一通孔514的流量的精确控制。第六通孔515与第三开口部19可大致呈扇形。当第二阀片52覆盖至少一部分第六通孔515时，扇形的第六通孔515的等效 流通面积大致随着第二阀片52的转动角度成比例地增大或减小，有利于第六通孔515的流量的精确控制。如图4所示，阀体1还包括位于阀腔底壁部141的隔离部15，隔离部15位于第二开口部17、第三开口部19之间。第二开口部17、第三开口部19可在隔离部15两侧呈对称分布。
如图4所示，第一阀片51与阀腔底壁部141之间还设置有密封垫4。密封垫4具有第三通孔41和第七通孔43，第三通孔41与第二开口部17和第一通孔514相对应设置，第七通孔43与第三开口部19和第六通孔515相对应设置。
如图3、图4和图6所示，第一阀片51具有第二通孔512，控制阀还包括第一限位部件3，第一限位部件3穿过第二通孔512。第一限位部件3的一端与第一阀片51抵接，第一限位部件3的另一端与阀体固定或为一体结构。第一限位部件3包括头部31和杆部32，头部31的外径大于杆部32，杆部32的另一端可伸入阀腔底壁部141且与阀体固定，第一限位部3与阀腔底壁部141可以通过螺纹连接、卡接等方式固定。杆部32贯穿第二通孔512。第一限位部件3可将第一阀片51限位在头部31和阀腔底壁部141之间，使得第一阀片51、密封垫4与阀腔底壁部141相对固定。第二通孔512还包括凹陷部513，凹陷部513凹陷于第一侧面516。头部31容置于凹陷部513，头部31与凹陷部513相抵接，头部31不突出于第一侧面516，使得头部31与第二阀片52可互不干涉。此外，当头部31低于第一侧面516时，凹陷部513可以使得第一侧面516与第二阀片52接触的面积减小，进而减小第一阀片51与第二阀片52之间的摩擦力。第一限位部件3可以 在第一阀片51偏心设置，与第一限位部件3对应的第二通孔512也可偏心设置。
在控制阀连入水路系统中时，控制阀可能会受到作用于第二开口部17并指向阀腔的流体压力，即使当水路系统中的流体压力大于弹性元件533的预紧力而使得第二阀片52被流体的压力顶离第一阀片51，由于受到第一限位部件3的限位，第一阀片51也不会被流体压力冲离阀腔底壁部141，进而减小了第一阀片51、密封垫4脱离阀腔底壁部141后恢复不到原位置的风险，进而增加了第一阀片51与阀体1间流体密封的可靠性。
需要说明的是，前文中提到的“外径”并不意味着限定杆部、头部的外部轮廓为圆形，“内径”也并不意味着限定通孔的内部轮廓为圆形。杆部、头部的外部轮廓或通孔的内部轮廓也可为其它形状，例如椭圆形、多边形等，此时，“外径”指的是头部的横截面的最大宽度，例如当头部的横截面为椭圆形时，“外径”指的是椭圆形的长轴的长度。“内径”指的是通孔的横截面的最大宽度，例如当通孔的横截面为椭圆形时，“内径”指的是椭圆形的长轴的长度。
在第二通孔512和杆部32的其它实施方式中，杆部的外周面的横截面的形状可不为圆形，第二通孔的内壁面的横截面的形状与杆部的形状互补，可以起到相对防止第一阀片51绕杆部转动的作用，即对第一阀片51在平行于第二开口部17的方向有定位和限位的作用，有利于第一阀片51的安装。第一限位部件3与阀体可为分体结构。在本实施方式中，如图2所示，杆部32可具有外螺纹，在安装时，杆部32的至少一部分旋入设置于阀腔底壁部141的第二孔18，安装较为简单。阀体1可以为金属材质或者塑料 材质。在第一限位部件3的其它实施方式中，第一限位部件3为塑料材质，第一限位部件3与阀体1可为一体结构，头部31可通过熔融再凝固而形成。
如图4所示，密封垫4包括第一密封部46，第一密封部46环绕第二开口部17，第二开口部17为扇形时，第一密封部46也可如图4所示呈扇形设置。第一密封部46可呈压缩状态，使得第二开口部17与第一通孔514连通且密封设置。密封垫4还包括第二密封部47，第二密封部47环绕第三开口部19，，第三开口部19为扇形时，第二密封部47也可如图4所示呈扇形设置。第二密封部47可呈压缩状态，使得第三开口部19与第六通孔515连通且密封设置。第一密封部46和第二密封部47可以是部分重合，图4中，第一密封部46和第二密封部47为两个扇形相接设置，形成具有缺口的大于半圆的结构,二者之间重合的部分，对应于阀腔底壁部141的隔离部15。第一限位部件3插入第二通孔512并穿出上述密封垫4的缺口位置进入到第二孔18。
第一限位部件3与所述第二开口部17相隔一段距离，第一密封部46的至少一部分设置于第一限位部件3和第二开口部17之间，可防止或者减少流体从第二通孔512流入或流出，提高了密封效果。第一限位部件3与第三开口部19相隔一段距离，第二密封部47的至少一部分设置于第一限位部件3和第三开口部19之间，可防止或者减少流体从第二通孔512流入或流出，提高了密封效果。
如图4和图6所示，阀体1包括位于阀腔底壁部141的底壁面101，阀体1包括突起于底壁面101的第一肋171和第二肋191，第一肋171环绕第二开口部17，第二肋191环绕第三开口部19。第一肋171设置于第一 密封部46和第二开口部17之间，第二肋191设置于第二密封部47与第三开口部19之间。第一肋171可对第一密封部46在平行于第二开口部17的方向上起到限位的作用，使得第一密封部46始终环绕在第二开口部17的外周侧，减小了密封垫4在平行于第二开口部17的方向上偏离原位置从而导致对第二开口部17的密封失效的风险。第二肋191可对第二密封部47在平行于第三开口部19的方向上起到限位的作用。
如图7和图8所示，控制阀包括第二限位部件2。第二限位部件2包括环壁部21，第二限位部件2还包括沿第二限位部件2的轴向延伸的缺口部23，环壁部21呈卷曲状，环壁部21具有弹性，环壁部21横截面可大致为圆弧形。第二限位部件2包括位于环壁部21的外周的外周面212。第二限位部件2内有内腔24，内腔24沿第二限位部件2的轴向延伸。图8中的虚线部分指的是第二限位部件2在未压缩前的状态。
如图4和图9所示，密封垫4还可具有第五通孔42，第五通孔42与第一阀片51的第四通孔511相对应设置。第四通孔511相对第二通孔512靠近阀腔所对应的内壁。第二限位部件2穿过第四通孔511和第五通孔42，第二限位部件2与第四通孔511过盈配合，第二限位部件2可与第五通孔42过盈配合，第二限位部件2的一端位于第四通孔511内，第二限位部件的另一端与阀体固定。阀体1包括设置于阀腔底壁部141的第一孔12，第二限位部件2的一端插入第一孔12，第二限位部件2的另一端插入第四通孔511。第二限位部件2可实现第一阀片51在平行于第二开口部17的方向上的定位，使得第一阀片51的第一通孔514较为准确地与阀体1的第二开口部17对齐。通过第二限位部件2与第一限位部件3可以实现第一阀片 51、密封垫4的定位和周向限位。在第二限位部件2的其它实施方式中，第二限位部件2也可与阀体1为一体结构。这里应当说明，第二限位部件2的数量不限于1个，可以大于等于2个。
如图5、图6和图9所示，第一限位部件3是偏离第二阀片52旋转轴的，在第一阀片51受到第一限位部件3的朝向阀腔底壁部141的压力时，第一阀片51受力不均匀，则第一阀片51在远离第二通孔512的一侧有与阀腔底壁部141分离的趋势。此时可由第二限位部件2对第一阀片51产生朝向阀腔底壁部141的摩擦力，使得第一阀片51的远离第二通孔512的一侧与阀腔底壁部141不相对分离，相对减小了密封垫4失效的风险。相对于其它固定方式，使用第二限位部件2的成本更低，且第二限位部件2所占用的空间较小。在安装时，第二限位部件2可直接压装入第四通孔511和第一孔12，安装工序相对简单。
如图7和图9所示，第二限位部件2还包括锥形的导向部25，导向部25位于第二限位部件2轴向的两端，便于第二限位部件2插入内径较小的第四孔511和第一孔12。第一孔12的内径略小于第二限位部件2在未插入第一孔12时的外径。第一孔12可大致呈锥形，其靠近孔口处内径较大，其远离孔口处内径较小，可在第二限位部件2插入第一孔12时起到导向作用。
如图5所示，第一孔12和第二孔18位于隔断部15的两端，可减少占用第二开口部17、第三开口部19的空间。第二限位部件2与第一限位部件3之间的距离较大，使得第一阀片51绕第一限位部件3或绕第二限位部件2的摆动幅度相对较小，进而使得第一阀片51的定位更加精准。
如图4和图9所示，当阀体1为塑料材质时，第二通孔512的内壁面与第一限位部件3的杆部32间隙配合。第一限位部件3与第一阀片51之间可留有一定的余量，可使得在第二通孔512的圆心稍微偏离第二孔18的圆心时，也可将第一限位部件3的一部分拧入第二孔18内。
如图10至图12所示，在控制阀的又一种实施方式中，区别于上述实施例，第一阀片51包括位于第一阀片51边缘的第二凹陷部519，阀体包括凸出于阀腔14内壁面的凸起部111，该凸起部111的至少一部分伸入第二凹陷部519。凸起部111的外周面的一部分可与第二凹陷部519的内壁面间隙配合，可以实现第一阀片51的定位，使得第一通孔514与第二开口部17较为精准地对齐，便于安装，同时也能够限制第一阀片51和密封垫4的周向转动。凸起部111和凸台102可位于隔断部15的两端，使得凸起部111与第一限位部件3之间的距离较大，使得第一阀片51绕第一限位部件3或绕凸起部111的摆动幅度相对较小，进而使得第一阀片51的定位更加精准。凸起部111突出于底壁面101的高度比第一肋171、第二肋191的高度大。密封垫4的至少一部分环绕第一肋171。
如图10至图12所示，阀体还包括突起于底壁面101的凸台102，凸台102的突起高度与第一肋171的突起高度相同或大致相同，第二肋191的突起高度与第一肋171的突起高度相同或大致相同，第二孔18的孔口位于凸台102，第一阀片51的第二侧面可与凸台102、第一肋171和第二肋191抵接。此时，由于接触面较为平整且各接触面分布较为均匀，使得第一阀片51受力较为均匀，进而使得第一阀片51在远离第二通孔512的一侧与阀腔底壁部141分离的风险较小。密封垫4可具有位于密封垫4边缘 的缺口部44，缺口部44由密封垫4的边缘向中心延伸。缺口部44与第二凹陷部519对齐设置，凸起部111的一部分伸入缺口部44。可起到防止密封垫4转动的作用。
如图10至图12所示，第一密封部46的一部分设置于第一肋171与凸台102之间。第二密封部47的一部分设置于第二肋191与凸台102之间。密封垫4还包括第三密封部48，第三密封部48相对远离第二开口部17、第三开口部19，密封垫4在未压缩时的厚度大于凸台102、第一肋171、第二肋191的高度，第一阀片51在靠近第三开口部19和第二开口部17处会受到第一密封部46、第二密封部47的弹力，第一阀片51在相对远离第三开口部19、第二开口部17处则受到第三密封部48的弹力，使得第一阀片51的受力相对平衡。
需要说明的是：以上实施例仅用于说明本发明而并非限制本发明所描述的技术方案，例如对“前”、“后”、“左”、“右”、“上”、“下”等方向性的界定，尽管本说明书参照上述的实施例对本发明已进行了详细的说明，但是，本领域的普通技术人员应当理解，所属技术领域的技术人员仍然可以对本发明进行相互组合、修改或者等同替换，而一切不脱离本发明的精神和范围的技术方案及其改进，均应涵盖在本发明的权利要求范围内。

Claims (13)

  1. 一种控制阀，所述控制阀包括阀体(1)和阀芯组件(5)，所述阀体具有阀腔(14)，所述阀芯组件(5)的至少一部分容置于所述阀腔(14)内，所述阀体还包括第一开口部(16)和第二开口部(17)，所述阀体具有阀腔底壁部(141)，所述第二开口部(17)位于所述阀腔底壁部(141)；其特征在于，
    所述阀芯组件包括第一阀片(51)和第二阀片(52)，所述第一阀片(51)相对于所述第二阀片(52)靠近所述阀腔底壁部(141)，所述第一阀片(51)与所述阀腔底壁部(141)之间设置有密封垫(4)，所述第一阀片(51)具有第一通孔(514)和第二通孔(512)，所述密封垫(4)具有第三通孔(41)，所述第三通孔(41)与所述第二开口部(17)相对应，所述第一通孔(514)与所述第三通孔(41)相对应；
    所述控制阀还包括第一限位部件(3)，所述第一限位部件(3)穿过所述第二通孔(512)，所述第一限位部件(3)的一端与所述第一阀片(51)抵接，所述第一限位部件(3)的另一端与所述阀体固定或为一体结构。
  2. 根据权利要求1所述的控制阀，其特征在于，所述第一阀片(51)具有第一侧面(516)，所述第一侧面的至少一部分与所述第二阀片(52)接触；
    所述第一阀片(51)包括凹陷部(513)，所述凹陷部(513)凹陷于所述第一侧面(516)并与所述第二通孔(512)的一端相连，所述第一限位部件包括头部(31)，所述头部(31)容置于所述凹陷部(513)，所述头部(31)与所述凹陷部(513)相抵接，所述头部(31)不凸出于所述第一侧 面(516)。
  3. 根据权利要求2所述的控制阀，其特征在于，所述控制阀还包括第二限位部件(2)，所述第一阀片(51)还具有第四通孔(511)，所述密封垫还具有第五通孔(42)，所述第五通孔(42)与所述第四通孔(511)相对应设置，所述第四通孔(511)相对所述第二通孔(512)靠近所述阀腔所对应的内壁；
    所述第二限位部件(2)穿过所述第四通孔(511)和第五通孔(42)，所述第二限位部件(2)与所述第四通孔(511)过盈配合，所述第二限位部件(2)的一端位于所述第四通孔(511)内，所述第二限位部件(2)的另一端与所述阀体固定或者为一体结构。
  4. 根据权利要求3所述的控制阀，其特征在于，所述第二限位部件(2)包括环壁部(21)，所述第二限位部件(2)包括位于所述环壁部(21)的外周的外周面(212)；
    所述外周面(212)的一部分与所述第四通孔(511)的内壁面过盈配合，所述阀体包括位于所述阀腔底壁部(141)的第一孔(12)，所述外周面(212)的又一部分与所述第一孔(12)的内壁面过盈配合。
  5. 根据权利要求1-4任一权利要求所述的控制阀，其特征在于，所述阀体(1)包括位于所述阀腔底壁部(141)的底壁面(101)；所述阀体包括突起于所述底壁面(101)的第一肋(171)，所述第一肋(171)环绕所述第二开口部(17)；
    所述密封垫(4)的至少一部分环绕所述第一肋(171)，并且所述密封垫(4)容置于所述第一阀片(51)与所述底壁面(101)之间的空间。
  6. 根据权利要求5所述的控制阀，其特征在于，所述阀体还包括突起于所述底壁面(101)的凸台(102)，所述凸台(102)的突起高度与所述第一肋(171)的突起高度相同或大致相同；所述阀腔底壁部(141)设有第二孔(18)，所述第三限位部件(3)的一部分拧入所述第二孔(18)，所述第二孔(18)的孔口位于所述凸台(102)
  7. 根据权利要求5或6所述的控制阀，其特征在于，所述第一阀片(51)具有第一侧面(516)和第二侧面(517)，所述第一侧面(516)的至少一部分与所述第二阀片(52)接触；
    所述第一阀片(51)的第二侧面(517)为平面或大致为平面。
  8. 根据权利要求7所述的控制阀，其特征在于，所述第一阀片(51)还包括位于所述第一阀片(51)边缘的第二凹陷部(519)，所述阀体还包括凸出于所述阀腔(14)内侧壁的凸起部(111)，所述凸起部(111)的至少一部分伸入所述第二凹陷部(519)；所述凸起部(111)突出于所述底壁面(101)的高度不超过所述第一阀片(51)的第一侧面(516)；所述凸起部(111)的外周面的一部分与所述第二凹陷部(519)的内壁面间隙配合。
  9. 根据权利要求8所述的控制阀，其特征在于，
    所述阀体包括位于所述阀腔底壁部的第三开口部(19)，所述阀体还包括位于所述阀腔底壁部(141)的隔离部(15)，所述隔离部(15)位于所述第二开口部(17)、第三开口部(19)之间；
    所述第一阀片还包括第六通孔(515)，所述第六通孔(515)与所述第三开口部(19)对应，所述凸台(102)和所述凸起部(111)位于所述隔离部(15)的两端。
  10. 根据权利要求9所述的控制阀，其特征在于，
    所述密封垫(4)包括第五通孔(42)，所述第五通孔(42)与所述第一孔(12)对齐设置，所述第二限位部件(2)贯穿所述第五通孔(42)；
    所述密封垫(4)包括第一密封部(46)，所述第一密封部(46)环绕所述第二开口部(17)；所述密封垫(4)还包括第二密封部(47)，所述第二密封部(47)环绕所述第三开口部(19)。
  11. 根据权利要求10所述的控制阀，其特征在于，
    所述第一限位部件(3)与所述第二开口部(17)相隔一段距离，所述第一密封部(46)的至少一部分设置于所述第一限位部件(3)和所述第二开口部(17)之间，所述第一限位部件(3)与所述第三开口部(19)相隔一段距离，所述第二密封部(47)的至少一部分设置于所述第一限位部件(3)和所述第三开口部(19)之间。
  12. 根据权利要求11所述的控制阀，其特征在于，所述阀体(1)包括突起于所述底壁面(101)的第二肋(191)，所述第二肋191设置于所述第二密封部(47)与所述第三开口部(19)之间；
    所述密封垫(4)容置于所述第一阀片与所述底壁面(101)之间的空间。
  13. 根据权利要求12所述的控制阀，其特征在于，所述第一密封部(46)的一部分设置于所述第一肋(171)与所述凸台(102)之间，所述第二密封部(47)的至少一部分设置于所述第二肋(191)与所述凸台(102)之间。
PCT/CN2020/095487 2019-07-18 2020-06-11 一种控制阀 WO2021008279A1 (zh)

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