WO2022037461A1 - 阀芯组件及具有其的换向阀 - Google Patents
阀芯组件及具有其的换向阀 Download PDFInfo
- Publication number
- WO2022037461A1 WO2022037461A1 PCT/CN2021/112125 CN2021112125W WO2022037461A1 WO 2022037461 A1 WO2022037461 A1 WO 2022037461A1 CN 2021112125 W CN2021112125 W CN 2021112125W WO 2022037461 A1 WO2022037461 A1 WO 2022037461A1
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- WO
- WIPO (PCT)
- Prior art keywords
- slider
- inlet passage
- core assembly
- valve core
- valve
- Prior art date
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 109
- 238000004891 communication Methods 0.000 description 21
- 239000012530 fluid Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
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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
- 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
- F16K11/065—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 linearly sliding closure members
- F16K11/0655—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 linearly sliding closure members with flat slides
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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
- 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
Definitions
- the present application relates to the technical field of reversing valves, and in particular, to a valve core assembly and a reversing valve having the same.
- the existing four-way valve structure mainly includes a valve cavity and an inlet pipe 2, a first outlet pipe 3 and a second outlet pipe 4 communicating with the valve cavity.
- the slider 1 is moved and arranged in the valve cavity, By moving the slider 1 , the valve cavity can be communicated with the first outlet pipe 3 or with the second outlet pipe 4 .
- the present application provides a valve core assembly and a reversing valve having the same, so as to solve the problem that the reversing valve in the related art is prone to reversing failure.
- a valve core assembly includes: a guide frame; There is a blocking part, and the blocking part is used to block the inlet passage.
- the surface of the blocking portion close to the inlet channel has an arc-shaped structure.
- the surface of the blocking portion close to the inlet channel is a plane structure.
- the blocking portion and the slider are integrally formed.
- the blocking part has a top surface and a bottom surface arranged oppositely, the top surface of the blocking part is used to block the inlet channel, the bottom surface is an arc surface, the bottom surface is matched with the upper surface of the slider, and the blocking part has an arc surface.
- the bottom surface is connected with the slider.
- the guide frame has an escape hole, and the sliding block is penetrated in the escape hole.
- the slider includes a main body and a bottom plate, the main body has a cavity, the blocking part is arranged on the top of the main body, the bottom plate is annularly arranged at the bottom of the main body, the bottom plate cooperates with the escape hole to limit the relative position of the slider and the guide frame, and the bottom plate is located at the bottom of the main body.
- the blocking part is located on the other side of the guide frame.
- a reversing valve includes: a valve body, the valve body has an inlet passage, a plurality of outlet passages, and a chamber, and both the inlet passage and the outlet passage communicate with the chamber; the valve The core assembly, the valve core assembly is the valve core assembly provided above, the valve core assembly is movably arranged in the chamber, the side of the slider of the valve core assembly with the cavity is arranged toward the plurality of outlet channels, and the slider has a seal.
- One side of the blocking portion is disposed toward the inlet passage, and the blocking portion has a blocking position for blocking the inlet passage and a conducting position for conducting the inlet passage.
- valve body has two outlet channels and a low pressure channel, the two outlet channels and the low pressure channel are arranged side by side on one side of the valve body, the inlet channel is arranged on the other side of the valve body, and the low pressure channel is located between the two outlet channels , the inlet channel is set corresponding to the low pressure channel, and the blocking part is located in the middle of the slider.
- cross-sectional size of the blocking portion is greater than or equal to the size of the inlet passage.
- the cross-sectional size of the blocking portion is smaller than the size of the inlet channel.
- the side of the valve core assembly facing the plurality of outlet channels is the first side
- the side of the valve core assembly facing the inlet channels is the second side
- the cross-sectional area of the inlet channel is S1
- the valve core assembly is located at the inlet.
- the projection of the end of the inlet passage on the second side of the valve core assembly and the end of the inlet passage forms an exhaust passage
- the sidewall area of the exhaust passage is S2, and S1/S2 ⁇ 1.
- an exhaust passage is formed between the projection of the end of the inlet passage on the blocking portion and the end of the inlet passage.
- the blocking portion is a shielding boss, and the shielding boss is arranged on the side of the slider facing the inlet channel.
- a part of the surface of the slider facing the inlet passage forms a blocking portion.
- the diameter of the inlet passage is d
- the projection of the end of the inlet passage on the second side of the valve core assembly is between the projection of the end of the inlet passage and the end of the inlet passage.
- the distance between them is X
- the valve core assembly includes a guide frame and a slider, the slider is drivably connected to the guide frame, and a blocking part is arranged on one side of the slider, and the inlet channel is blocked by the blocking part, then the When the slider moves to the middle position, the inlet channel is blocked by the blocking part, so as to ensure that the fluid with sufficient pressure in the inlet channel flows into the capillary connected to the inlet channel, so as to ensure that there is sufficient pressure to push the piston to continue to move, so that the The slider moves to the reverse position.
- FIG. 1 shows a schematic structural diagram provided by a reversing valve of the related art
- FIG. 2 shows a schematic structural diagram of a reversing valve provided according to an embodiment of the present application
- Fig. 3 shows another schematic structural diagram of a reversing valve provided according to an embodiment of the present application
- FIG. 4 shows a schematic structural diagram of the first embodiment of the slider in FIG. 2;
- FIG. 5 shows a schematic structural diagram of the second embodiment of the slider in FIG. 2;
- FIG. 6 shows a schematic structural diagram of a blocking part provided according to an embodiment of the present application.
- FIG. 7 shows a schematic structural diagram of the reversing valve provided in Embodiment 3 of the present application.
- FIG. 8 shows a partial cross-sectional view of the reversing valve provided in Embodiment 3 of the present application.
- FIG. 9 shows a schematic view of the size of the reversing valve provided in Embodiment 3 of the present application.
- FIG. 10 shows a partial cross-sectional view of the reversing valve provided in the fourth embodiment of the present application.
- Embodiment 1 of the present application provides a valve core assembly, which includes: a guide frame 10 and a slider 20 .
- the guide frame 10 is drivingly connected with the slider 20, and the guide frame 10 is used to drive the slider 20 to move in the valve cavity.
- One side of the sliding block 20 has a cavity, and the other side of the sliding block 20 is provided with a blocking part 30, and the blocking part 30 is used to block the inlet passage.
- the cavity is used to isolate part of the outlet channel, so that the fluid can flow out of the specific outlet channel.
- the block 20 can be used to block the inlet channel during the process of moving and reversing, so that when the outlet channel communicates with each other, it can also ensure that the inlet channel provides sufficient supply to the capillary.
- the fluid pressure can further ensure that the reversing valve piston pushes the guide frame 10 and the slider 20 to continue to move to the preset position, so as to ensure the normal reversal of the passage.
- the surface of the blocking portion 30 close to the inlet channel may be a plane structure, so that the structure is simple and the manufacturing cost is low.
- the surface of the blocking portion 30 close to the inlet passage can also be set to an arc-shaped structure.
- the arc-shaped structure can be used to better communicate with the inlet passage. The ends are fitted to improve the sealing effect.
- the size of the blocking portion 30 may be larger than the size of the end portion of the inlet passage, or may be set to be equal to the size of the end portion of the inlet passage, or smaller than the size of the end portion of the inlet passage, as long as the blocking portion 30 can be moved to When the end of the inlet channel is located, it can block and hinder the fluid in the inlet channel, so as to ensure the fluid pressure on the capillary connected to the inlet channel.
- the blocking portion 30 and the slider 20 are integrally formed, which is simple in structure, convenient for processing and installation, and can improve installation efficiency.
- the blocking portion 30 and the slider 20 can also be provided as separate structures.
- the blocking part 30 has a top surface and a bottom surface arranged opposite to each other.
- the top surface of the blocking part 30 is used to block the inlet channel, and the top surface can be a plane or an arc surface.
- the bottom surface of the blocking part 30 is an arc surface, the bottom surface is matched with the upper surface of the slider 20 , and the bottom surface of the blocking part 30 is connected with the slider 20 .
- the connection can be performed by bonding, welding or other connection methods.
- the guide frame 10 is provided with an escape hole, and the slider 20 is penetrated in the escape hole.
- the slider 20 is penetrated and fixed in the guide frame 10, and one end of the slider 20 is located in the guide frame 10.
- One side of the slider 20 is located on the other side of the guide frame 10, so that the guide frame 10 drives the slider 20 to move laterally.
- the slider 20 includes a main body 21 and a bottom plate 22, the main body 21 has a cavity, the blocking part 30 is arranged on the top of the main body 21, the bottom plate 22 is annularly arranged at the bottom of the main body 21, and the bottom plate 22 cooperates with the avoidance holes to limit the sliding
- the relative position of the block 20 and the guide frame 10 is that the bottom plate 22 is located on one side of the guide frame 10 , and the blocking part 30 is located on the other side of the guide frame 10 .
- the bottom plate 22 is covered on one side of the outlet channel, and the guide frame 10 drives the slider 20 to translate so that the bottom plate 22 moves above the outlet channel.
- the second embodiment of the present application provides a reversing valve
- the reversing valve includes a valve body 40 and a valve core assembly 50 .
- the valve body 40 has an inlet channel 41 , a plurality of outlet channels 42 and a chamber 44 , and both the inlet channel 41 and the outlet channel 42 communicate with the chamber 44 .
- the valve core assembly 50 is the valve core assembly provided in the above-mentioned embodiment.
- the valve core assembly 50 is movably arranged in the cavity 44 , and the side of the slider 20 with the cavity is disposed toward the plurality of outlet passages 42 .
- the side with the blocking portion is disposed toward the inlet passage 41 , and the blocking portion 30 has a blocking position for blocking the inlet passage 41 and a conducting position for conducting the inlet passage 41 .
- the slider 20 has a plurality of communication positions in the chamber 44.
- the corresponding outlet channel 42 communicates with the chamber 44, and the other outlet channels 42 communicate with the chamber through the slider 20.
- Chamber 44 is isolated.
- the inlet channel 41 can be blocked by the blocking part 30, which can prevent the slider 20 from causing multiple outlet channels to communicate with each other during the movement process , so that the inlet channel 41 is insufficient to supply pressure to the capillary tube that communicates with it.
- the valve body 40 has two outlet passages 42 and a low pressure passage 43 , the two outlet passages 42 and the low pressure passage 43 are arranged side by side on one side of the valve body 40 , and the inlet passage 41 is arranged on the other side of the valve body 40 .
- the low pressure channel 43 is located between the two outlet channels 42
- the inlet channel 41 is provided corresponding to the low pressure channel 43
- the blocking part 30 is located in the middle of the slider 20 .
- the cross-sectional size of the blocking portion 30 is greater than or equal to the size of the inlet passage 41, so that the inlet passage 41 can be completely blocked by the blocking portion 30, so as to ensure that the inlet passage 41 can be blocked when the blocking portion 30 blocks the inlet passage.
- the fluid can be introduced into the capillary tube to ensure that the pistons on both sides of the guide frame 10 are pushed to move by the fluid pressure, so that the slider 20 can be moved to a preset position.
- the slider 20 has a first communication position and a second communication position opposite to each other.
- the blocking portion 30 can block the inlet passage. 41 to block.
- the guide frame 10 and the slider 20 are located on the left side of the chamber 44 , the inlet channel 41 is communicated with the outlet channel 42 on the right side, and the slider 20 is in the first communication position; when the guide frame 10 needs to be connected
- the fluid in the capillary communicating with the inlet channel 41 can be passed to the left side of the chamber 44 through the control of the upper pilot valve, so that the fluid can push the piston to move to the right.
- the fluid has sufficient pressure to push the left piston to continue to move to the right, so as to drive the guide frame 10 and the slider 20 to continue to move to the right, so that the cavity cover of the slider 20 is located in the low pressure channel 43 and the outlet on the right side
- the left outlet channel 42 is communicated with the inlet channel 41, the slider 20 is at the second communication position, and the valve body has completed the reversing operation.
- the technical solution provided by the present application has a simple structure, is convenient for manufacture and processing, can prevent the valve body from commutating failure, and ensure the normal operation of the valve body.
- the third embodiment of the present application provides a reversing valve
- the reversing valve includes a valve body 40 and a valve core assembly 50
- the valve body 40 has a chamber 44 , an inlet channel 41 and a plurality of The outlet channel 42 , the inlet channel 41 and the outlet channel 42 are all communicated with the chamber 44 , and the valve core assembly 50 is movably arranged in the chamber 44 .
- the first side of the spool assembly 50 is disposed toward the plurality of outlet passages 42
- the second side of the spool assembly 50 is disposed toward the inlet passages 41 .
- the spool assembly 50 can be used.
- the communication states of the plurality of outlet passages 42 and the chamber 44 are switched.
- the cross-sectional area of the inlet passage 41 is S1
- the valve core assembly 50 is located below the inlet passage 41, the projection of the end of the inlet passage 41 on the second side of the valve core assembly 50 and the end of the inlet passage 41
- An exhaust passage 60 is formed therebetween, and the sidewall area of the exhaust passage 60 is S2, and S1/S2 ⁇ 1.
- the exhaust passage 60 refers to a cylindrical shape jointly enclosed by the projection of the end of the inlet passage 41 on the second side of the valve core assembly 50 and the end of the inlet passage 41
- the fluid in the inlet channel 41 can flow into the chamber 44 through the side wall of the cylindrical channel.
- the second side of the valve core assembly 50 has a blocking portion 30 , and an exhaust passage is formed between the projection of the end portion of the inlet passage 41 on the blocking portion 30 and the end portion of the inlet passage 41 . 60.
- the valve core assembly 50 uses the blocking part 30 to block part of the inlet passage 41, so that when the outlet passages communicate with each other, the inlet passage can also ensure that the inlet passage provides sufficient fluid pressure to the capillary, thereby ensuring the replacement of the valve.
- the valve core assembly 50 is pushed toward the valve piston to continue to move to the preset position, so as to ensure the normal operation of the channel reversal.
- the blocking portion 30 includes a structure integrally formed with the valve core assembly 50 , and the blocking portion 30 further includes a structure provided separately from the valve core assembly 50 .
- the surface of the blocking part 30 close to the inlet channel 41 is an arc structure or a plane structure.
- the surface of the blocking portion 30 close to the inlet passage 41 is a plane structure, which facilitates the calculation of the sidewall area of the exhaust passage 60 and facilitates the control of the ratio of S1 and S2.
- the plane structure is adopted, the structure is simple, and the manufacturing cost is low.
- the surface of the blocking portion 30 close to the inlet channel 41 can be set as an arc-shaped structure. Since the end of the inlet channel 41 is also arc-shaped, the arc-shaped structure can be used to better connect with the inlet channel. The ends are matched to improve the occlusion effect.
- the valve core assembly 50 includes a guide frame 10 and a slider 20 , the guide frame 10 is drivingly connected with the slider 20 , and the blocking portion 30 is provided on the slider 20 .
- the slider 20 can be driven to move in the chamber 44 by the guide frame 10 , and the communication state between the plurality of outlet channels 42 and the chamber 44 can be switched by the slider 20 . Disposing the blocking portion 30 on the slider 20 facilitates the processing of the blocking portion 30 and can reduce the processing cost.
- the blocking portion 30 on the slider 20 can block a part of the air inlet area of the inlet passage 41, which can not only reduce the quality of the refrigerant leaked when the slider 20 is in the middle position
- the flow rate can also force the refrigerant to enter the capillary communicating with the inlet channel 41, thereby increasing the pressure entering the cavity at the left end or the cavity at the right end, increasing the thrust of the piston baffle, and the slider 20 can smoothly realize the reversal.
- the blocking portion 30 is a shielding boss, and the shielding boss is disposed on the side of the slider 20 facing the inlet channel 41 .
- the surface of the shielding boss close to the inlet channel 41 is an arc structure or a plane structure.
- the blocking portion 30 and the slider 20 are integrally formed, which is convenient for processing and assembling, has low cost, and can improve the installation efficiency.
- the blocking portion 30 and the slider 20 can also be provided as separate structures.
- the blocking part 30 has a top surface and a bottom surface arranged opposite to each other.
- the top surface of the blocking part 30 is used to block the inlet passage, and the top surface can be a plane surface or an arc surface.
- the bottom surface of the blocking part 30 is an arc surface, the bottom surface is matched with the upper surface of the slider 20 , and the bottom surface of the blocking part 30 is connected with the slider 20 .
- the connection can be performed by bonding, welding or other connection methods.
- the guide frame 10 is provided with an escape hole, and the sliding block 20 is inserted in the escape hole.
- the sliding block 20 is penetrated and fixed in the guide frame 10, and one end of the sliding block 20 is located in the guide frame. 10, the other end of the slider 20 is located on the other side of the guide frame 10, so that the guide frame 10 drives the slider 20 to move laterally.
- the slider 20 has a plurality of communication positions in the chamber 44.
- the corresponding outlet channel 42 communicates with the chamber 44, and the other outlet channels 42 communicate with the chamber through the slider 20.
- Chamber 44 is isolated.
- the inlet channel 41 can be blocked by the blocking part 30, so as to prevent the slider 20 from causing multiple outlet channels 42 to communicate with each other during the movement process , so that the inlet channel 41 is insufficient to supply pressure to the capillary tube that communicates with it.
- the slider 20 has a first communication position and a second communication position opposite to each other. During the movement of the slider 20 between the first communication position and the second communication position, the blocking portion 30 can block the inlet passage. 41 for occlusion.
- the valve body 40 has a low-pressure passage 43 and two outlet passages 42 .
- the low-pressure passage 43 and the two outlet passages 42 are arranged side by side on one side of the valve body 40 , and the inlet passage 41 is arranged on the side of the valve body 40 .
- the low pressure channel 43 is located between the two outlet channels 42
- the inlet channel 41 is provided corresponding to the low pressure channel 43
- the blocking part 30 is located in the middle of the slider 20 .
- the blocking portion 30 is arranged in the middle of the sliding block 20 , which facilitates the processing of the sliding block 20 , and can ensure the processing accuracy, thereby ensuring the blocking effect of the blocking portion 30 .
- the two outlet channels 42 and the low-pressure channel 43 communicate with each other. At this time, the pressure in the chamber 44 is relatively low.
- the blocking part 30 By setting the blocking part 30 and moving the slider 20 When it reaches the middle, the inlet channel 41 is shielded by the blocking part 30, which can prevent or reduce the leakage of the fluid in the inlet channel 41 into the chamber 44, so that the fluid in the inlet channel 41 can flow to the left side of the chamber 44.
- the maximum cross-sectional size of the blocking portion 30 is greater than or equal to the size of the inlet channel 41 , so that the blocking effect of the blocking portion 30 can be ensured, and the ratio of S1 and S2 can be easily controlled.
- the blocking portion 30 can block the fluid in the inlet channel and ensure the fluid pressure on the capillary communicating with the inlet channel.
- the inlet channel 41 is a circular channel
- the diameter of the inlet channel 41 is d
- the diameter of the inlet channel 41 is d.
- the distance between the projection of the end portion on the second side of the valve core assembly 50 and the end portion of the inlet passage 41 is X
- the reversing valve includes an electromagnetic four-way reversing valve.
- Embodiment 4 of the present application provides a reversing valve.
- the difference between Embodiment 4 and Embodiment 3 is that, in Embodiment 4, a part of the surface of the slider 20 facing the inlet passage 41 forms a blockage Section 30.
- the structure of the sliding block 20 is relatively simple, the processing of the sliding block 20 is convenient, and the processing cost can be reduced.
- the technical solution provided by the present application has a simple structure, is convenient for manufacture and processing, can prevent the valve body from commutating failure, and ensure the normal operation of the valve body.
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- General Engineering & Computer Science (AREA)
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- Multiple-Way Valves (AREA)
Abstract
Description
Claims (16)
- 一种阀芯组件,其特征在于,所述阀芯组件包括:导向架(10);滑块(20),所述导向架(10)与所述滑块(20)驱动连接,所述滑块(20)的一侧具有空腔,所述滑块(20)的另一侧设置有封堵部(30),所述封堵部(30)用于封堵进口通道。
- 根据权利要求1所述的阀芯组件,其特征在于,所述封堵部(30)的靠近所述进口通道的表面为弧形结构。
- 根据权利要求1所述的阀芯组件,其特征在于,所述封堵部(30)的靠近所述进口通道的表面为平面结构。
- 根据权利要求1所述的阀芯组件,其特征在于,所述封堵部(30)与所述滑块(20)为一体成型结构。
- 根据权利要求1所述的阀芯组件,其特征在于,所述封堵部(30)具有相对设置的顶面和底面,所述封堵部(30)的顶面用于封堵进口通道,所述底面为弧形面,所述底面与所述滑块(20)的上表面相适配,且所述封堵部(30)的底面与所述滑块(20)连接。
- 根据权利要求1所述的阀芯组件,其特征在于,所述导向架(10)具有避让孔,所述滑块(20)穿设在所述避让孔内。
- 根据权利要求6所述的阀芯组件,其特征在于,所述滑块(20)包括主体(21)和底板(22),所述主体(21)具有空腔,所述封堵部(30)设置在所述主体(21)的顶部,所述底板(22)环形设置在所述主体(21)的底部,所述底板(22)与所述避让孔配合以限制所述滑块(20)与所述导向架(10)的相对位置,所述底板(22)位于所述导向架(10)的一侧,所述封堵部(30)位于所述导向架(10)的另一侧。
- 一种换向阀,其特征在于,所述换向阀包括:阀体(40),所述阀体具有进口通道(41)、多个出口通道(42)以及腔室(44),所述进口通道(41)与所述出口通道(42)均与所述腔室(44)连通;阀芯组件(50),所述阀芯组件(50)为权利要求1至7中任一项所述的阀芯组件,所述阀芯组件(50)可移动地设置在所述腔室(44)内,所述阀芯组件(50)的滑块(20)的具有空腔的一侧朝向多个所述出口通道(42)设置,所述滑块(20)的具有封堵部的一侧朝向所述进口通道(41)设置,所述封堵部(30)具有封堵所述进口通道的封堵位置和导通所述进口通道的导通位置。
- 根据权利要求8所述的换向阀,其特征在于,所述阀体(40)具有两个所述出口通道(42)以及低压通道(43),两个所述出口通道(42)以及所述低压通道(43)并排设置在所述阀体(40)的一侧,所述进口通道(41)设置在所述阀体(40)的另一侧,所述低压通 道(43)位于两个所述出口通道(42)之间,所述进口通道(41)对应所述低压通道(43)设置,所述封堵部(30)位于所述滑块(20)的中部。
- 根据权利要求8所述的换向阀,其特征在于,所述封堵部(30)的截面尺寸大于或等于所述进口通道(41)的尺寸。
- 根据权利要求8所述的换向阀,其特征在于,所述封堵部(30)的截面尺寸小于所述进口通道(41)的尺寸。
- 根据权利要求8所述的换向阀,其特征在于,所述阀芯组件(50)的朝向多个所述出口通道(42)的一侧为第一侧,所述阀芯组件(50)的朝向所述进口通道(41)的一侧为第二侧,所述进口通道(41)的横截面积为S1,在所述阀芯组件(50)位于所述进口通道(41)的下方时,所述进口通道(41)的端部在所述阀芯组件(50)的第二侧上的投影与所述进口通道(41)的端部之间形成排气通道(60),所述排气通道(60)的侧壁面积为S2,S1/S2≥1。
- 根据权利要求12所述的换向阀,其特征在于,所述进口通道(41)的端部在所述封堵部(30)上的投影与所述进口通道(41)的端部之间形成所述排气通道(60)。
- 根据权利要求13所述的换向阀,其特征在于,所述封堵部(30)为遮挡凸台,所述遮挡凸台设置在所述滑块(20)的朝向所述进口通道(41)的一侧。
- 根据权利要求13所述的换向阀,其特征在于,所述滑块(20)的朝向所述进口通道(41)的部分表面形成所述封堵部(30)。
- 根据权利要求12所述的换向阀,其特征在于,所述进口通道(41)的直径为d,所述进口通道(41)的横截面积S1=π·(d/2) 2,所述进口通道(41)的端部在所述阀芯组件(50)的第二侧上的投影与所述进口通道(41)的端部之间的距离为X,所述排气通道(60)的侧壁面积S2=π·d·X。
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US18/021,814 US20230358323A1 (en) | 2020-08-20 | 2021-08-11 | Valve Core Assembly and Reversing Valve with Valve Core Assembly |
KR1020237007103A KR20230042511A (ko) | 2020-08-20 | 2021-08-11 | 밸브 코어 어셈블리 및 이를 구비한 리버싱 밸브 |
JP2023510482A JP2023538339A (ja) | 2020-08-20 | 2021-08-11 | 弁芯アセンブリ及びそれを有する方向切換弁 |
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CN202021756472.7U CN212389797U (zh) | 2020-08-20 | 2020-08-20 | 阀芯组件及具有其的换向阀 |
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CN202011635625.7 | 2020-12-31 | ||
CN202011635625.7A CN114688302A (zh) | 2020-12-31 | 2020-12-31 | 换向阀 |
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