WO2023226558A1 - Vanne à fluide, système de gestion thermique et véhicule - Google Patents

Vanne à fluide, système de gestion thermique et véhicule Download PDF

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Publication number
WO2023226558A1
WO2023226558A1 PCT/CN2023/082576 CN2023082576W WO2023226558A1 WO 2023226558 A1 WO2023226558 A1 WO 2023226558A1 CN 2023082576 W CN2023082576 W CN 2023082576W WO 2023226558 A1 WO2023226558 A1 WO 2023226558A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing lip
connecting shaft
seal
valve
fluid
Prior art date
Application number
PCT/CN2023/082576
Other languages
English (en)
Chinese (zh)
Inventor
葛笑
Original Assignee
安徽威灵汽车部件有限公司
广东威灵汽车部件有限公司
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
Priority claimed from CN202210593516.6A external-priority patent/CN117167523A/zh
Priority claimed from CN202221328418.1U external-priority patent/CN218118710U/zh
Application filed by 安徽威灵汽车部件有限公司, 广东威灵汽车部件有限公司 filed Critical 安徽威灵汽车部件有限公司
Publication of WO2023226558A1 publication Critical patent/WO2023226558A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • 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
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • 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
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing

Definitions

  • the present application relates to the technical field of fluid valve sealing, and in particular to a fluid valve, a thermal management system and a vehicle.
  • the sealing structure generally uses a skeleton shaft seal, rubber O-ring (O-ring), or X-ring (X-ring) and other seals.
  • O-ring rubber O-ring
  • X-ring X-ring
  • the sealing structure of the related technology is easy to loosen when the temperature difference is large, causing the seal Failure, and easy wear and tear will reduce its service life, and then leakage failure will occur easily, and the long-term reliability of the fluid valve dynamic seal cannot be guaranteed.
  • This application aims to solve at least one of the technical problems existing in the prior art. To this end, this application proposes a fluid valve that can ensure the seal between the connecting shaft and the valve housing through the first sealing lip when the main sealing lip fails to seal, and is conducive to extending the service life of the seal and improving Dynamic sealing reliability of seals.
  • a fluid valve includes: a valve housing provided with a plurality of flow openings, the valve housing being provided with through holes; a valve core including a connecting shaft and a body, A connecting shaft is connected to the body to drive the body and the connecting shaft to rotate synchronously.
  • the body is rotatably provided in the valve housing to guide the flow of fluid in the valve housing.
  • the connecting shaft Passed through the through hole; a sealing member, the sealing member is sleeved on the connecting shaft, the outer peripheral wall of the sealing member is in contact with the valve housing, and the inner peripheral wall of the sealing member is provided with a main sealing lip and a first sealing lip.
  • the main sealing lip In the axial direction of the connecting shaft, the main sealing lip is located on the side of the first sealing lip facing the body.
  • the radial direction of the main sealing lip is The protruding length is greater than the radial protruding length of the first sealing lip, and the main sealing lip and the first sealing lip respectively contact and deform the connecting shaft.
  • the sealing member is wrapped around the connecting shaft and in contact with the valve housing, and the main sealing lip and the first sealing lip of the sealing member are respectively in contact with the connecting shaft and deformed, so as to facilitate the connection between the connecting shaft and the connecting shaft. It plays a sealing role with the valve housing, and in the axial direction of the connecting shaft, the main sealing lip is located on the side of the first sealing lip facing the body of the valve core, and the protruding length of the main sealing lip is greater than The protruding length of the first sealing lip ensures that when the main sealing lip fails to seal, the first sealing lip can ensure the sealing between the connecting shaft and the valve housing to enhance the sealing performance of the seal and avoid leakage. failure, and is beneficial to extending the service life of the seal and improving the dynamic sealing reliability of the seal.
  • first sealing lips there are a plurality of first sealing lips, and the plurality of first sealing lips are spaced apart in the axial direction of the connecting shaft.
  • the plurality of first sealing lips have different radial protruding lengths.
  • the radial protruding lengths of the plurality of first sealing lips gradually decrease in an axial direction away from the body.
  • the axial width of the main sealing lip is greater than the axial width of the first sealing lip.
  • the fluid valve according to some embodiments of the present application further includes a secondary sealing lip.
  • the secondary sealing lip contacts and deforms the connecting shaft.
  • the radial protruding length of the secondary sealing lip is greater than the first sealing lip.
  • the radial protrusion length of the sealing lip is greater than the first sealing lip.
  • the axial width of the secondary sealing lip is greater than the axial width of the first sealing lip.
  • the first end and the second end of the outer peripheral wall of the seal in the axial direction are respectively in contact with the valve housing, and the remaining portion of the outer peripheral wall of the seal is in contact with the valve housing. There is a gap between the valve housings.
  • At least one of the two axial end surfaces of the seal is provided with an annular groove.
  • the cross-sectional shape of the seal is formed to be axially symmetrical with respect to a first straight line, and the first straight line is parallel to a radial direction of the seal.
  • the body is provided with at least one switching channel, the switching channel is used to connect two of the flow passage openings, and the body is rotatably provided in the valve housing to enable The switching flow channel is in switching communication with different flow channel openings.
  • the plurality of switching channels include a first communication channel and a second communication channel, and the first communication channel extends along the outer peripheral wall of the body,
  • the second communication channel includes an inner flow channel and two communication openings.
  • the two communication openings are connected through the inner flow channel.
  • the two communication openings are located on the outer peripheral wall of the body.
  • the laminar flow channel is located inside the body, and the valve core rotates to make the first communication channel switchably communicate with different flow channel openings and/or the second communication channel switchably communicate with different flow channel openings.
  • This application also proposes a thermal management system.
  • the thermal management system includes: a manifold provided with multiple flow channels for circulating medium; a fluid valve, the fluid valve being the fluid valve described in any of the above embodiments,
  • the plurality of flow channels are respectively connected to the plurality of flow channel openings.
  • This application also proposes a vehicle.
  • a vehicle according to an embodiment of the present application includes the above thermal management system.
  • the vehicle, the thermal management system, and the above-mentioned fluid valve have the same advantages over the prior art, and will not be described again here.
  • Figure 1 is an exploded view of a fluid valve according to some embodiments of the present application.
  • Figure 2 is a schematic structural diagram of a valve housing according to some embodiments of the present application.
  • Figure 3 is a front view of a valve housing according to some embodiments of the present application.
  • Figure 4 is a schematic structural diagram of a valve core according to some embodiments of the present application.
  • Figure 5 is a partial assembly view of the seal, connecting shaft, and valve housing according to some embodiments of the present application.
  • Figure 6 is a cross-sectional view of the partial assembly diagram in Figure 5;
  • Figure 7 is an enlarged view of point A in Figure 6;
  • Figure 8 is a schematic diagram of a thermal management system according to some embodiments of the present application.
  • Figure 9 is a schematic diagram of a vehicle according to some embodiments of the present application.
  • Valve housing 10 flow port 11, through hole 12, annular protrusion 121, mounting plate 13,
  • Valve core 20 connecting shaft 21, body 22, switching channel 221, first communication channel 2211,
  • Seal 30 main sealing lip 31, first sealing lip 32, secondary sealing lip 33, first straight line L1, first end 301, second end 302,
  • Gap 40 annular groove 50, electric control device 60, sealing gasket 70, valve cover 80.
  • the fluid valve 100 includes: a valve housing 10, a valve core 20 and a seal 30.
  • the valve housing 10 is provided with a plurality of flow openings 11, and the valve housing 10 is provided with a through hole 12.
  • the valve core 20 includes a connecting shaft 21 and a body 22.
  • the connecting shaft 21 is connected to the body 22 to drive the body 22 to rotate synchronously.
  • the main body 22 is rotatably provided in the valve housing 10 to guide the flow of fluid in the valve housing 10.
  • the connecting shaft 21 is passed through the through hole 12.
  • the sealing member 30 is sleeved on the connecting shaft 21.
  • the outer peripheral wall of the sealing member 30 is in contact with the connecting shaft 21.
  • the valve housing 10 contacts, and the inner peripheral wall of the seal 30 is provided with a main sealing lip 31 and a first sealing lip 32.
  • the main sealing lip 31 is located in the direction of the first sealing lip 32.
  • the radial protruding length of the main sealing lip 31 is greater than the radial protruding length of the first sealing lip 32.
  • the main sealing lip 31 and the first sealing lip 32 are in contact with the connecting shaft 21 respectively. Deformation occurs.
  • the flow channel opening 11 on the valve housing 10 can be connected to an external pipe, and the external pipe carries fluid. Therefore, the fluid can enter the inside of the fluid valve 100 from the flow channel opening 11 or flow out from the inside of the fluid valve 100 to achieve
  • the fluid valve 100 discharges fluid to the outside or absorbs fluid, where the fluid may be water, antifreeze, or other liquids, which are not limited here.
  • valve housing 10 is provided with a mounting plate 13, that is, the valve housing 10 can be connected to other structures through the mounting plate 13 to facilitate fixation of the valve housing 10 and enhance the structural stability of the valve housing 10. sex.
  • the valve core 20 is rotatably installed in the valve housing 10.
  • the valve core 20 can be configured as a column, and the valve core 20 includes a connecting shaft 21 and a body 22.
  • the axis of the connecting shaft 21 coincides with the axis of the body 22 and is connected to the body 22.
  • the connecting shaft 21 is connected to the motor power of the electric control device 60 through the through hole 12, so as to facilitate the rotation of the connecting shaft 21 controlled by the electric control device 60, and then the connecting shaft 21 drives the body 22 in the valve housing 10 along the connecting shaft 21
  • the axis rotates to guide the flow of fluid in the valve housing 10 .
  • annular protrusion 121 is provided at one edge of the through hole 12 of the valve housing 10 toward the inside of the valve housing 10 .
  • the annular protrusion 121 extends toward the inside of the valve housing 10 , and the connecting shaft 21 passes through the annular protrusion.
  • the sealing member 30 is made of elastic material, such as rubber, which is not limited here, and the sealing member 30 is configured in an annular shape, so that the sealing member 30 is coated in the area of the connecting shaft 21 close to the through hole 12, That is, the inner peripheral wall of the sealing member 30 is in contact with the connecting shaft 21 , and the outer peripheral wall of the sealing member 30 is in contact with the valve housing 10 , so that the sealing member 30 plays a sealing role between the connecting shaft 21 and the valve housing 10 .
  • the seal 30 is located between the connecting shaft 21 and the annular protrusion 121 , that is, the outer peripheral wall of the seal 30 is in contact with the inner peripheral wall of the annular protrusion 121 , that is, the seal 30 is located in the movable space.
  • the seal 30 is located between the connecting shaft 21 and the annular protrusion 121, so as to facilitate the limiting and fixing of the seal 30, to enhance the structural stability of the seal 30, and to facilitate the connection of the seal 30.
  • the inner peripheral wall of the seal 30 is provided with a main sealing lip 31 and a first sealing lip 32.
  • the main sealing lip 31 and the first sealing lip 32 are along the edges of the sealing element 30.
  • the sealing lip 31 is located on the side of the first sealing lip 32 facing the body 22.
  • the radial protrusion length of the main sealing lip 31 is greater than the radial protrusion length of the first sealing lip 32.
  • the main sealing lip 31 and The first sealing lips 32 are respectively in contact with the connecting shaft 21 and undergo elastic deformation.
  • the main sealing lip 31 and the first sealing lip 32 are spaced apart in the axial direction of the seal 30 , and the radial protrusion length of the main sealing lip 31 is greater than the radial protrusion of the first sealing lip 32 length, when the connecting shaft 21 is sealingly connected to the seal 30 , both the main sealing lip 31 and the first sealing lip 32 undergo elastic deformation to contact the connecting shaft 21 .
  • the main sealing lip 31 since the main sealing lip 31 is in direct contact with the fluid in the valve housing 10, the main sealing lip 31 will be subject to the impact force of the fluid and is prone to excessive compression, which may cause the main sealing lip 31 to deform. And the seal fails. The main sealing lip 31 will also undergo elastic deformation failure due to long-term elastic deformation under stress. In short, the main sealing lip 31 will have the risk of failure due to stress deformation.
  • the main sealing lip 31 The radial protrusion length is greater than the radial protrusion length of the first sealing lip 32, so that the compression deformation amount at the main sealing lip 31 is greater than the compression deformation amount at the first sealing lip 32, so that at the main sealing lip 31 is deformed by force and fails, but the first sealing lip 32 can still maintain elastic deformation. Therefore, after the main sealing lip 31 is deformed by force and causes its seal to fail, the fluid will flow into the annular sealing groove, and the annular sealing groove can This part of the fluid plays a buffering role, and the first sealing lip 32 blocks the flow of the fluid, that is, the first sealing lip 32 still plays a sealing effect.
  • the compression deformation of the first sealing lip 32 is small.
  • the fluid directly impacts the first sealing lip 32, causing the first sealing lip 32 to collapse.
  • the compression deformation of the sealing lip 32 increases, so that the sum of the frictional moments of the main sealing lip 31 and the first sealing lip 32 does not increase significantly.
  • the first sealing lip 32 can still maintain contact with the connecting shaft 21 after the main sealing lip 31 fails. In other words, when the main sealing lip 31 fails, the first sealing lip 32 forms a compensating seal, thereby ensuring The sealing effect of the seal 30 further improves the dynamic sealing reliability of the fluid valve 100 .
  • radial protrusion length includes the length of the protrusion along the radial direction of the seal 30 , or the length of the protrusion along the direction intersecting the radial direction of the seal 30 . This is not limited.
  • the first sealing lip 32 can still be connected to the sealing member 30.
  • the shaft 21 is in sealing contact, thereby ensuring that the seal 30 can still be sealingly connected with the connecting shaft 21 .
  • the seal 30 is wrapped around the connecting shaft 21 and in contact with the valve housing 10, and the main sealing lip 31 and the first sealing lip 32 of the sealing member 30 are respectively in contact with the connecting shaft 21 and Deformation occurs to facilitate sealing between the connecting shaft 21 and the valve housing 10, and in the axial direction of the connecting shaft 21, the main sealing lip 31 is located on the body of the first sealing lip 32 facing the valve core 20 22, and the radial protruding length of the main sealing lip 31 is greater than the radial protruding length of the first sealing lip 32, so that when the main sealing lip 31 fails to seal, it can pass through the first sealing lip. 32 ensures the seal between the connecting shaft 21 and the valve housing 10 to enhance the sealing performance of the seal 30, avoid leakage failure, extend the service life of the seal 30, and improve the dynamic sealing reliability of the seal 30.
  • first sealing lips 32 there are multiple first sealing lips 32 , and the plurality of first sealing lips 32 are spaced apart in the axial direction of the connecting shaft 21 .
  • FIGS. 6 and 7 there are two first sealing lips 32 , and the two first sealing lips 32 are sequentially distributed in the axial direction of the connecting shaft 21 away from the body 22 , so that When the main sealing lip 31 fails, the two first sealing lips 32 can sequentially achieve compensatory sealing, thereby facilitating multiple sealing effects through multiple first sealing lips 32 .
  • the radial protruding lengths of the plurality of first sealing lips 32 are different.
  • the radial protruding lengths of the plurality of first sealing lips 32 increase or decrease in sequence.
  • the lengths of the plurality of first sealing lips 32 The radial protrusion length can also be designed according to the actual sealing situation and is not limited here.
  • the radial protruding lengths of the plurality of first sealing lips 32 gradually decrease in the axial direction away from the body 22 .
  • the compression deformation of the plurality of first sealing lips 32 gradually decreases, which ensures that even if one of the first sealing lips 32 fails due to force, the other first sealing lips
  • the mouth 32 still maintains elastic deformation to achieve sealing. Therefore, when the main sealing lip 31 fails, the first sealing lip 32 adjacent to the main sealing lip 31 can first play a compensating sealing effect.
  • the next first sealing lip 32 can better compensate for the sealing effect, thereby facilitating the use of multiple first sealing lips 32 to achieve the desired sealing effect. In turn, it plays a compensating sealing role, thereby enhancing the sealing effect of the sealing member 30 .
  • the axial width of the primary sealing lip 31 is greater than the axial width of the first sealing lip 32 .
  • the main sealing lip 31 is in direct contact with the fluid in the valve housing 10 , that is, the main sealing lip 31 is subject to a large pressure from the fluid.
  • the axial width of the main sealing lip 31 is greater than the axial width of the first sealing lip 32, which facilitates increasing the contact area between the main sealing lip 31 and the connecting shaft 21, and enhances the connection between the main sealing lip 31 and the connecting shaft 21. The sealing stability of the shaft 21 is thereby prevented from failure of the main sealing lip 31.
  • the main sealing lip 31 can provide appropriate radial force both before and after the connecting shaft 21 is running, so as to reduce the friction between the main sealing lip 31 and the connecting shaft 21.
  • the main sealing lip 31 can prevent the fluid in the valve housing 10 from flowing out along the gap 40 between the seal 30 and the connecting shaft 21 , thereby enhancing the dynamic sealing performance of the fluid valve 100 .
  • the fluid valve 100 further includes a secondary sealing lip 33 .
  • the secondary sealing lip 33 contacts and deforms with the connecting shaft 21 .
  • the radial protruding length of the secondary sealing lip 33 is greater than the diameter of the first sealing lip 32 . protruding length.
  • the secondary sealing lip 33 is provided on the inner peripheral wall of the seal 30 , and the secondary sealing lip 33 is located on the side of the first sealing lip 32 away from the body 22 and is connected to the connecting shaft. 21 contact, that is, the main sealing lip 31, the first sealing lip 32 and the secondary sealing lip 33 are all in sealing contact with the connecting shaft 21 in the axial direction of the connecting shaft 21, where the first sealing lip 32 is located at the secondary sealing lip. Between port 33 and main sealing lip 31.
  • the secondary sealing lip 33 is in direct contact with the fluid.
  • the secondary sealing lip 33 forms a compensation seal, that is, the main sealing lip 31 , the first sealing lip 32 and the secondary sealing lip 33 form multiple seals in sequence, thereby ensuring the sealing effect of the seal 30 and improving the dynamic sealing of the fluid valve 100 reliability.
  • the axial width of the secondary sealing lip 33 is greater than the axial width of the first sealing lip 32 .
  • the secondary sealing lip 33 is in direct contact with the fluid in the valve housing 10 , that is, the secondary sealing lip 33 is impacted by the fluid.
  • the axial width of the secondary sealing lip 33 is greater than the axial width of the first sealing lip 32, which facilitates increasing the contact area between the secondary sealing lip 33 and the connecting shaft 21, and enhances the connection between the secondary sealing lip 33 and the connecting shaft 21. The sealing stability of the shaft 21 is thereby prevented from failure of the secondary sealing lip 33.
  • the first end 301 and the second end 302 in the axial direction of the outer peripheral wall of the seal 30 are respectively in contact with the valve housing 10 , and the remaining portion of the outer peripheral wall of the seal 30 is in contact with the valve housing 10 .
  • a gap 40 is provided between the valve housings 10 .
  • first end 301 and the second end 302 of the outer peripheral wall of the seal 30 in the axial direction are in sealing contact with the valve housing 10 respectively, so as to enhance the sealing performance between the seal 30 and the valve housing 10 , in other words , in this application, the first end 301 and the second end 302 of the outer peripheral wall of the sealing member 30 in the axial direction are respectively in contact with the inner peripheral wall of the annular protrusion 121, which can form a static seal of the sealing member 30 to the housing 121.
  • a gap 40 is provided between the remaining portion of the outer peripheral wall of the seal 30 and the valve housing 10 , so that when the fluid exerts pressure on the seal 30 , the gap 40 is provided so that the seal 30 can function.
  • it is beneficial to reduce the volume and weight of the seal 30, realize the miniaturization and lightweight design of the seal 30, and at the same time, it is beneficial to save materials and reduce production costs.
  • the groove formed between the main sealing lip 31 and the adjacent first sealing lip 32 is used to store lubricant, facilitate assembly of the seal 30 onto the connecting shaft 21 , and facilitate product use. During the service life, a lubrication effect is formed between the main sealing lip 31 , the first sealing lip 32 and the secondary sealing lip 33 , and the contact surfaces with the connecting shaft 21 .
  • At least one of the two axial end surfaces of the seal 30 is provided with an annular groove 50 .
  • either one of the two axial end surfaces of the seal 30 is provided with an annular groove 50, or both axial end surfaces of the seal 30 are provided with an annular groove 50, thereby facilitating the installation of the annular groove 50 and reducing the
  • the volume and weight of the seal 30 realize the miniaturization and lightweight design of the seal 30, and at the same time, it is beneficial to save materials and reduce production costs.
  • the cross-sectional width of the annular groove 50 on the end surface close to the body 22 gradually increases toward the direction closer to the body 22
  • the cross-sectional width of the annular groove 50 on the end surface away from the body 22 gradually increases.
  • the cross-sectional width of the annular groove 50 gradually increases toward the direction away from the body 22 .
  • end surface close to the body 22 will be in direct contact with the fluid in the valve housing 10 , that is, the end surface close to the body 22 is greatly affected by the pressure of the fluid and other factors.
  • the cross-sectional width of the annular groove 50 on the end surface close to the body 22 is configured to gradually increase toward the direction closer to the body 22, so that when the fluid flows to the end surface, the annular groove 50 can act on the fluid. It has a buffering effect, thereby reducing the impact force of the fluid on the seal 30, thereby enhancing the structural stability of the seal 30.
  • the cross-sectional width of the annular groove 50 on the end surface away from the body 22 is configured to gradually increase toward the direction away from the body 22, so that when the seal 30 is compressed and deformed by the fluid pressure, the annular groove 50 can pass through the annular groove 50. It can provide a certain deformation space for the seal 30, thereby reducing the impact force of the fluid on the seal 30, thereby enhancing the structural stability of the seal 30.
  • the annular groove 50 is directly opposite the primary sealing lip 31 or the secondary sealing lip 33 in the radial direction of the seal 30 .
  • the annular groove 50 on the end surface close to the body 22 is directly opposite to the primary sealing lip 31
  • the annular groove 50 on the end surface away from the body 22 is directly opposite to the secondary sealing lip 33 .
  • the primary sealing lip 31 and the secondary sealing lip 33 are easily deformed, thereby facilitating the assembly and disassembly of the seal 30 and reducing the difficulty of assembly and disassembly of the seal 30 .
  • the cross-sectional shape of the seal 30 is formed to be axially symmetrical with respect to the first straight line L1 , which is parallel to the radial direction of the seal 30 .
  • the dotted line L1 in the figure is the first straight line
  • the sealing member 30 is symmetrically arranged along the first straight line L1, which facilitates the automated production of the sealing member 30 and reduces production difficulty.
  • the fluid valve 100 further includes: a sealing gasket 70 and a valve cover 80 .
  • the sealing gasket 70 is suitable for installation in the valve housing 10 and is located between the valve core 20 and the valve housing 10 .
  • the valve cover 80 is adapted to be installed on the end of the fluid valve 100 and connected with the valve housing 10 to prevent the valve core 20 from being separated from the valve housing 10 .
  • the body 22 is provided with at least one switching channel 221.
  • the switching channel 221 is used to connect two of the flow passage openings 11.
  • the body 22 is rotatably provided in the valve housing 10 to The switching flow channel is switched and connected to different flow channel openings 11.
  • the switching channel 221 When the switching channel 221 is connected to different flow passage openings 11 , the fluid can enter or flow out of the fluid valve 100 through different flow passages, so that the fluid valve 100 has different working modes.
  • the plurality of switching channels 221 include a first communication channel 2211 and a second communication channel 2212.
  • the first communication channel 2211 extends along the outer peripheral wall of the body 22, and the second communication channel 2212 includes an inner laminar flow. channel 2213 and two communication ports 2214.
  • the two communication ports 2214 are connected through the inner flow channel 2213.
  • the two communication ports 2214 are located on the outer peripheral wall of the body 22.
  • the inner flow channel 2213 is located inside the body 22.
  • the valve core 20 rotates. So that the first communication channel 2211 is switched to communicate with different flow channel openings 11 and/or the second communication channel 2212 is switched to communicate with different flow channel openings 11 .
  • the first communication channel 2211 is used to communicate with the two flow openings 11.
  • the valve core 20 turns to connect the first communication channel 2211 with different flow passage openings 11, thereby realizing switching of modes.
  • the first communication channel 2211 may be configured to connect two adjacent flow passage openings 11 to facilitate the production of the valve core 20 , for example, two flow passage openings 11 are adjacent.
  • the second communication channel 2212 is used to connect the two flow channel openings 11.
  • the second communication channel 2212 includes an inner flow channel 2213 and two communication openings 2214.
  • the two communication openings 2214 are connected through the inner flow channel 2213.
  • the two communication openings 2214 Located on the outer peripheral wall of the valve core 20, the inner flow channel 2213 is located inside the valve core 20.
  • the inner flow channel 2213 of the second communication channel 2212 is provided inside the valve core 20 to meet the communication requirements of the two flow openings 11 in complex situations.
  • the two flow openings 11 on the diagonal line directly pass through the valve core 20 .
  • the connection of the first communication channel 2211 on the outer peripheral wall of the core 20 will inevitably affect the communication of the two flow passage openings 11 on both sides of the diagonal.
  • valve core 20 rotates so that the first communication channel 2211 switches to communicate with different flow channel openings 11 and/or the second communication channel 2212 switches to communicate with different flow channel openings 11, that is, multiple modes are realized by rotating the valve core 20, Compared with the method of multiple multi-way valves in related technologies, more modes can be realized under the same volume, reducing control difficulty and cost.
  • the valve core 20 rotates so that the first communication channel 2211 switches to communicate with different flow channel openings 11, and the two communication openings 2214 of the second communication channel 2212 are never connected to the flow channel openings 11; or the valve core 20 rotates so that the second communication channel 2211 switches to different flow channel openings 11.
  • the communication channel 2212 is switched and connected with different flow channel openings 11, and the first communication channel 2211 is never connected with the flow channel opening 11; or, the valve core 20 rotates so that the first communication channel 2211 is switched and connected with different flow channel openings 11 and the second communication channel 2212 is switched and connected with the different flow channel openings 11.
  • the communication channel 2212 is switched and connected with different flow channel openings 11 , and the rotation of a single valve core 20 realizes the communication between the first communication channel 2211 and the second communication channel 2212 and different flow channel openings 11 at the same time.
  • the space of the valve core 20 is fully utilized, and the valve core 20 is improved.
  • Space utilization under the same volume limit, can achieve more modes of switching without using multiple control valves for flow path switching, reducing costs and control difficulty; by setting multiple flow channel openings 11 and the first communication channel 2211, The second connection channel 2212 switches the connection, further increasing the switchable modes and further reducing the cost and control difficulty.
  • the fluid valve 100 may be configured as an oil pump, a water pump, or any valve body that can guide fluid flow, which is not limited herein.
  • the fluid valve 100 may be configured as a six-way valve, an eight-way valve or other multi-channel switching valve, which is not limited herein.
  • This application also proposes a thermal management system 1001.
  • a thermal management system 1001 includes: a manifold 200 and a fluid valve 100 .
  • the manifold 200 is provided with a plurality of flow channels 201 for circulating media.
  • the fluid valve 100 is the fluid valve 100 of any of the above embodiments.
  • the fluid valve 100 is provided on the manifold 200.
  • the plurality of flow channels 201 are respectively connected to the plurality of flow channels.
  • the ports 11 are connected, and the valve core 20 rotates to control multiple flow channels 201 to switch and connect to control the thermal management system 1001 to switch modes.
  • the seal 30 of the fluid valve 100 is sleeved on the connecting shaft 21 and in contact with the valve housing 10, and the main sealing lip 31 and the first sealing lip 32 of the sealing member 30 are respectively with
  • the connecting shaft 21 contacts and deforms to provide a sealing effect between the connecting shaft 21 and the valve housing 10 , and in the axial direction of the connecting shaft 21 , the main sealing lip 31 is located in the direction of the first sealing lip 32
  • One side of the body 22 of the valve core 20, and the protruding length of the main sealing lip 31 is greater than the protruding length of the first sealing lip 32, so that when the main sealing lip 31 fails to seal, it can pass through the first sealing lip.
  • the port 32 ensures the seal between the connecting shaft 21 and the valve housing 10 to enhance the sealing performance of the seal 30, avoid leakage failure, extend the service life of the seal 30, and improve the dynamic sealing reliability of the seal 30.
  • This application also proposes a vehicle 1000 .
  • a vehicle 1000 includes the above-mentioned thermal management system 1001 .
  • the seal 30 of the thermal management system 1001 is sleeved on the connecting shaft 21 and in contact with the valve housing 10, and the main sealing lip 31 and the first sealing lip 32 of the sealing member 30 are respectively connected with
  • the shaft 21 contacts and deforms to provide a sealing effect between the connecting shaft 21 and the valve housing 10 , and in the axial direction of the connecting shaft 21 , the main sealing lip 31 is located toward the valve from the first sealing lip 32
  • One side of the body 22 of the core 20, and the protruding length of the main sealing lip 31 is greater than the protruding length of the first sealing lip 32, so that when the main sealing lip 31 fails to seal, it can pass through the first sealing lip.
  • 32 ensures the seal between the connecting shaft 21 and the valve housing 10 to enhance the sealing performance of the seal 30, avoid leakage failure, extend the service life of the seal 30, and improve the dynamic sealing reliability of the seal 30.
  • the vehicle 1000 may be a new energy vehicle.
  • the new energy vehicle may be a pure electric vehicle with an electric motor as the main driving force.
  • the new energy vehicle may also be an internal combustion engine and an electric motor simultaneously. Hybrid vehicles as main driving force.
  • the internal combustion engine and motor that provide driving power for new energy vehicles mentioned in the above embodiments can use gasoline, diesel, hydrogen, etc. as fuel, and the way to provide electric energy to the motor can use power batteries, hydrogen fuel cells, etc., There are no special restrictions here. It should be noted that this is only an illustrative description of structures such as new energy vehicles and does not limit the scope of protection of the present application.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • plurality means two or more than two, unless otherwise explicitly and specifically limited.
  • connection In this application, unless otherwise clearly stated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated into one; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection between two elements or the interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • a first feature being “on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. touch.
  • the terms “above”, “above” and “above” the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature.
  • "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.
  • references to the terms “one embodiment,” “some embodiments,” “an example,” “specific examples,” or “some examples” or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Multiple-Way Valves (AREA)

Abstract

L'invention concerne une vanne à fluide, un système de gestion thermique et un véhicule. Une vanne à fluide (100) comprend : un boîtier de vanne (10), le boîtier de vanne (10) étant pourvu d'une pluralité d'orifices de canal d'écoulement (11), et le boîtier de vanne (10) étant pourvu d'un trou traversant (12) ; un noyau de vanne (20), le noyau de vanne (20) comprenant un arbre de liaison (21) et un corps (22), l'arbre de liaison (21) étant relié au corps (22) de façon à entraîner le corps (22) en rotation de manière synchrone avec l'arbre de liaison (21) ; et un élément d'étanchéité (30), l'élément d'étanchéité (30) étant emmanché sur l'arbre de liaison (21), une paroi périphérique externe de l'élément d'étanchéité (30) étant en contact avec le boîtier de vanne (10), et une paroi périphérique interne de l'élément d'étanchéité (30) étant pourvue d'une lèvre d'étanchéité principale (31) et d'une première lèvre d'étanchéité (32), et dans une direction axiale de l'arbre de liaison (21), la lèvre d'étanchéité principale (31) étant située sur le côté de la première lèvre d'étanchéité (32) faisant face au corps (22), la longueur en saillie radiale de la lèvre d'étanchéité principale (31) étant supérieure à celle de la première lèvre d'étanchéité (32), et la lèvre d'étanchéité principale (31) ainsi que la première lèvre d'étanchéité (32) venant respectivement en contact avec l'arbre de liaison (21) et se déformant. Au moyen de l'élément d'étanchéité (30), la fiabilité d'étanchéité dynamique de la vanne à fluide (100) peut être améliorée.
PCT/CN2023/082576 2022-05-27 2023-03-20 Vanne à fluide, système de gestion thermique et véhicule WO2023226558A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202210593516.6 2022-05-27
CN202210593516.6A CN117167523A (zh) 2022-05-27 2022-05-27 流体阀、热管理系统和车辆
CN202221328418.1U CN218118710U (zh) 2022-05-27 2022-05-27 流体阀、热管理系统和车辆
CN202221328418.1 2022-05-27

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WO2023226558A1 true WO2023226558A1 (fr) 2023-11-30

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5927685A (en) * 1998-03-16 1999-07-27 Jvp, Inc. Sealing device for a valve stem of a valve
CN1877169A (zh) * 2005-06-09 2006-12-13 卡尔弗罗伊登柏格两合公司 密封件和带有串接的密封唇口的结构
CN102022547A (zh) * 2010-12-17 2011-04-20 哈尔滨东安实业发展有限公司 聚四氟乙烯双密封唇密封圈制备方法
JP2016098933A (ja) * 2014-11-25 2016-05-30 Nok株式会社 バルブステムシール
CN108204468A (zh) * 2016-12-19 2018-06-26 株式会社不二工机 流路切换阀
CN110914579A (zh) * 2017-07-24 2020-03-24 Nok株式会社 阀杆密封件
CN218118710U (zh) * 2022-05-27 2022-12-23 安徽威灵汽车部件有限公司 流体阀、热管理系统和车辆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5927685A (en) * 1998-03-16 1999-07-27 Jvp, Inc. Sealing device for a valve stem of a valve
CN1877169A (zh) * 2005-06-09 2006-12-13 卡尔弗罗伊登柏格两合公司 密封件和带有串接的密封唇口的结构
CN102022547A (zh) * 2010-12-17 2011-04-20 哈尔滨东安实业发展有限公司 聚四氟乙烯双密封唇密封圈制备方法
JP2016098933A (ja) * 2014-11-25 2016-05-30 Nok株式会社 バルブステムシール
CN108204468A (zh) * 2016-12-19 2018-06-26 株式会社不二工机 流路切换阀
CN110914579A (zh) * 2017-07-24 2020-03-24 Nok株式会社 阀杆密封件
CN218118710U (zh) * 2022-05-27 2022-12-23 安徽威灵汽车部件有限公司 流体阀、热管理系统和车辆

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