CN118208421A - Fluid control assembly - Google Patents

Abstract

One embodiment of the present application provides a fluid control assembly including a housing having a first accommodation chamber and a second accommodation chamber, a valve member including a valve spool including a conduction portion located in the first accommodation chamber, a pump member including an impeller, at least a portion of which is located in the second accommodation chamber, and a cover plate portion arranged along an axial direction of the pump member; the cover plate part comprises a through hole part and a main body part, the through hole part and the main body part are of an integrated structure, the through hole part is provided with a through hole, the first accommodating cavity is communicated with the second accommodating cavity through the through hole, and at least part of the main body part is positioned between the conducting part and the impeller along the axial direction of the pump part. The reliability of the fluid control assembly is high.

Description

Fluid control assembly

Technical Field

The application relates to the field of fluid control, in particular to a fluid control assembly.

Background

In a thermal management system of a vehicle, a cooling liquid is generally used, and the cooling liquid can be used for cooling or heating components to be heated or cooled such as a battery, an electric motor, etc. of a new energy vehicle, in the thermal management system, a fluid needs to be conveyed by a pump, a flow path is controlled by a valve, and the pump and the valve are connected into the system by pipelines. However, if the pump and the valve are integrated together, the mutual influence of the pump and the valve is considered, so that it is a technical problem how to improve the reliability of the integrated pump and valve.

Disclosure of Invention

It is an object of the present application to provide a fluid control assembly that facilitates improved reliability of the fluid control assembly.

An embodiment of the present application proposes a fluid control assembly including a housing having a first accommodation chamber and a second accommodation chamber, a valve member including a valve spool including a conduction portion located in the first accommodation chamber, a pump member including an impeller, at least a portion of which is located in the second accommodation chamber, and a cover plate portion arranged along an axial direction of the pump member; the cover plate part comprises a through hole part and a main body part, the through hole part and the main body part are of an integrated structure, the through hole part is provided with a through hole, the first accommodating cavity is communicated with the second accommodating cavity through the through hole, and at least part of the main body part is positioned between the conducting part and the impeller along the axial direction of the pump part.

One embodiment of the present application provides a fluid control assembly including a housing, a valve member including a valve core, a pump member including an impeller, and a cover plate portion at least a portion of which can be located between the valve core and the impeller, such that the valve core conducting portion and the impeller can be spaced apart by the cover plate portion, fluid in the valve member can flow to the pump member through the cover plate portion, improving reliability of the fluid control assembly, and by providing the through hole portion and the main body portion as an integral structure, it is convenient to reduce leakage of fluid into the second accommodation chamber, and it is convenient to improve sealing performance of the fluid control assembly.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic illustration of a fluid control assembly according to a first embodiment of the present application;

FIG. 2 is a schematic top view of the fluid control assembly of FIG. 1;

FIG. 3 is a schematic cross-sectional view of section A-A of FIG. 2;

FIG. 4 is a schematic illustration of the configuration of a valve cartridge of the fluid control assembly of FIG. 1;

FIG. 5 is a schematic structural view of a housing of the fluid control assembly of FIG. 1;

FIG. 6 is a schematic top view of the housing of FIG. 5;

FIG. 7 is a schematic cross-sectional view of section B-B of FIG. 6;

FIG. 8 is a schematic structural view of a cover plate portion of the fluid control assembly of FIG. 1;

FIG. 9 is a schematic cross-sectional view of the cover plate portion of FIG. 8;

FIG. 10 is a schematic cross-sectional view of a fluid control assembly according to a second embodiment of the present application;

FIG. 11 is a schematic structural view of a housing of the fluid control assembly of FIG. 10;

FIG. 12 is a schematic cross-sectional view of section C-C of FIG. 11;

FIG. 13 is a schematic illustration of the configuration of the valve cartridge of the fluid control assembly of FIG. 10;

fig. 14 is a schematic cross-sectional view of the valve cartridge of fig. 13.

Reference numerals:

10. A fluid control assembly; 11. a housing; 111. a first accommodation chamber; 112. a second accommodation chamber; 113. a first boss; 114. a third boss; 115. a third accommodation chamber; 116. a positioning part; 117. reinforcing ribs; 118. a valve cover; 12. a valve member; 121. a valve core; 1211. a spool passage; 1212. a conduction part; 1213. a spool extension; 122. a seal; 123. a valve core hole; 13. a pump member; 131. an impeller; 1311. an impeller channel; 132. a stator assembly; 133. a rotor assembly; 14. a cover plate portion; 141. a support part; 1411. a first extension; 14111. an outer wall; 1412. a second extension; 142. a through hole; 143. a second protruding portion; 1431. a first sidewall; 1432. a second sidewall; 144. a main body portion; 1441. an upper wall; 1442. a lower wall; 145. a through hole portion; 15. a rotating shaft; 16. a first interface; 17. a second interface; 18. a drive assembly; 181. a motor; 182. a motor housing; 19. and a limiting pin.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

Referring to fig. 1-14, one embodiment of the present application provides a fluid control assembly 10, which fluid control assembly 10 may be applied to a vehicle thermal management system, including a new energy vehicle thermal management system, or an air conditioning system.

The fluid control assembly 10 includes a housing 11, a valve member 12, a pump member 13, and a cover plate portion 14, the housing 11 having a first accommodation chamber 111, a second accommodation chamber 112, and a communication port; the valve member 12 includes a valve element 121, the valve element 121 includes a conduction portion 1212, the conduction portion 1212 is located in the first accommodation chamber 111, the conduction portion 1212 is provided with a valve element passage 1211, and by rotating the valve element 121, the valve element passage 1211 can conduct at least two communication ports; the pump member 13 and the conducting portion 1212 are arranged along the axial direction of the pump member 13, the pump member 13 includes an impeller 131, and at least part of the impeller 131 is located in the second accommodating chamber 112; the cover plate portion 14 includes a through hole portion 145 and a main body portion 144, the through hole portion 145 and the main body portion 144 are integrally formed, the through hole portion 145 has a through hole 142, the first housing chamber 111 communicates with the second housing chamber 112 through the through hole 142, and at least a portion of the main body portion 144 is located between the conducting portion 1212 and the impeller 131 in the axial direction of the pump member 13. The arrangement can space the conducting portion 1212 and the impeller 131 of the valve element 121 apart through the cover plate portion 14, and by providing the through hole portion 145 and the main body portion 144 in an integral structure, the number of parts can be reduced, and the integral structure can reduce leakage of fluid into the second accommodating chamber 112, thereby improving the sealing performance of the fluid control assembly 10, and simultaneously, the fluid in the valve member 12 can flow to the pump member 13 through the cover plate portion 14, thereby improving the reliability of the fluid control assembly 10.

Referring to fig. 1 to 4, fig. 1 is a schematic structural view of a fluid control assembly according to a first embodiment of the present application; FIG. 2 is a schematic top view of the fluid control assembly of FIG. 1; FIG. 3 is a schematic cross-sectional view of section A-A of FIG. 2; fig. 4 is a schematic structural view of a valve cartridge of the fluid control assembly of fig. 1.

As shown in fig. 1 to 4, the fluid control assembly 10 includes a housing 11, a valve member 12, a pump member 13, a cover plate portion 14, and a driving assembly 18, the housing 11 may have a first accommodation chamber 111 and a second accommodation chamber 112, the first accommodation chamber 111 may be adapted to accommodate at least part of the valve member 12, the second accommodation chamber 112 may be adapted to accommodate the pump member 13, the housing 11 may further include a valve cover 118, the valve cover 118 may be capable of fixing the valve member 12 within the housing 11, and at the same time, the valve cover 118 may be capable of securing the tightness of the valve member 12. The drive assembly 18 can be used as a power source of the valve core 121 in the fluid control assembly 10, wherein the drive assembly 18 can comprise a motor 181 and a motor housing 182, the motor housing 182 can be fixedly connected with the valve cover 118 along the axial direction of the fluid control assembly 10, the motor housing 182 and the housing 11 can be fixed in a laser welding connection mode or the motor housing 182 can be integrally arranged with the valve cover 118, the motor housing 182 is provided with a mounting cavity, the motor 181 can be positioned in the mounting cavity of the motor housing 182, the motor 181 can provide power for the drive assembly 18, the drive assembly 18 can drive the valve component 12 to work, and the drive assembly 18 changes the flowing direction of fluid by changing the rotating angle of the valve core 121. Wherein the axial direction of the fluid control assembly 10, the axial direction of the valve core 121 and the axial direction of the pump member 13 coincide or are parallel. The implementation manner of the two components integrally arranged or integrally constructed here may be as follows: the two parts are integrally injection molded to achieve an integral arrangement or integral structure of the two parts.

As shown in fig. 3 and 4, the valve member 12 may include a valve element 121 and a seal 122, the seal 122 may be disposed in abutment with the housing 11, the seal 122 may be located between the through portion 1212 and a sidewall of the housing 11 in a radial direction of the valve element 121, the seal 122 may improve sealing performance between the valve element 121 and the housing 11, and in particular, the valve element 121 and the housing 11 may be sealed radially by the seal 122. The fluid control assembly 10 further includes a rotating shaft 15, the valve core 121 has a valve core channel 1211 and a valve core hole 123, the valve core 121 may further include a conducting portion 1212 and a valve core extension portion 1213, the conducting portion 1212 and the valve core extension portion 1213 may be integrally disposed, the valve core extension portion 1213 may extend in a direction away from the conducting portion 1212 along an axial direction of the valve member 12, the rotating shaft 15 may penetrate the valve core hole 123, at least a portion of the rotating shaft 15 may be located in the valve core hole 123, the valve core channel 1211 is located in the conducting portion 1212, the valve core extension portion 1213 or the conducting portion 1212 may be axially limited with the rotating shaft 15 to prevent the valve core 121 from being offset, the rotating shaft 15 may be in transmission connection with the conducting portion 1212, one end of the rotating shaft 15 may be in transmission connection with the driving assembly 18, and the driving assembly 18 may drive the valve member 12 through the rotating shaft 15.

The pump component 13 may include an impeller 131, a stator assembly 132, and a rotor assembly 133, the impeller 131 may have an impeller channel 1311, the stator assembly 132 may be located at an outer periphery of the rotor assembly 133, the stator assembly 132 may enable the rotor assembly 133 to rotate, the rotor assembly 133 is in driving connection with the impeller 131, for example, the rotor assembly 133 may be injection molded as a unitary structure or in a limited connection with the impeller 131 to enable power to be transferred between the rotor assembly 133 and the impeller 131, and the impeller 131 may enable fluid flow.

The cover plate 14 may be partially located between the conducting portion 1212 and the impeller 131 of the valve element 121, the cover plate 14 may be made of plastic, the cover plate 14 may be integrally provided with the valve element 121, or the cover plate 14 may be welded to the housing 11, or sealed and abutted to or adhered to the housing 11.

As shown in fig. 3, 8 and 9, in some embodiments of the present application, the cover plate portion 14 may be fixedly connected to the housing 11, the cover plate portion 14 may be annular, the cover plate portion 14 may be fixedly connected to the housing 11, further, the cover plate portion 14 may include a supporting portion 141, along a radial direction of the cover plate portion 14, the supporting portion 141 is located on a radial outer side of the main body portion 144, the supporting portion is connected to an outer peripheral side of the main body portion, the supporting portion 141 may include a first extending portion 1411, in a direction perpendicular to an axial direction of the fluid control assembly 10, the first extending portion 1411 may extend in a direction away from the rotating shaft 15, and the first extending portion 1411 may abut against or be fixedly connected to the housing 11, wherein the sealing member 122 may abut against an upper wall of the first extending portion 1411, the first extending portion 1411 may play a role of supporting the sealing member 122, preventing the sealing member 122 from sliding due to gravity or the like, so as to ensure a sealing effect between the valve core 121 and the housing 11, the length of the first extending portion 1 may be correspondingly arranged according to a thickness of the sealing member 122, in a direction perpendicular to an axial direction of the fluid control assembly 10, the first extending portion 1411 may extend toward the direction away from the rotating shaft 15, and the first extending portion 1411 may abut against the housing 11, may also be formed to extend against the housing 11, or may extend along the first extending portion 1411, and may be fixedly connected to the housing 11, or may extend along the first extending portion 1411, and may be attached to the first extending portion may be attached to the housing 11.

The support 141 may further include a second extension 1412, the second extension 1412 may extend toward the seal 122 in the axial direction of the fluid control assembly 10, the second extension 1412 may abut the seal 122, the second extension 1412 may generate a radial supporting force against the seal 122 to limit a radial position of the seal 122 to ensure a sealing effect between the seal 122 and the housing, the first extension 1411, the second extension 1412, and the housing 11 may define a third receiving cavity 115, at least a portion of the seal 122 may be located within the third receiving cavity 115, and a portion of the seal 122 may abut a wall forming the third receiving cavity 115 to ensure that the support 141 may function to support the seal 122.

Referring to fig. 5 to 9, fig. 5 is a schematic structural view of a housing of the fluid control assembly of fig. 1; FIG. 6 is a schematic top view of the housing of FIG. 5; FIG. 7 is a schematic cross-sectional view of section B-B of FIG. 6; FIG. 8 is a schematic structural view of a cover plate portion of the fluid control assembly of FIG. 1; fig. 9 is a schematic cross-sectional view of the cover plate portion of fig. 8.

As shown in fig. 8 and 9, the cover plate part 14 may include a through hole part 145 and a body part 144, the through hole part 145 and the body part 144 may be of an integral structure, wherein the through hole part 145 may have a through hole 142 and include a surface defining the through hole 141, the first receiving chamber 111 may be capable of communicating with the second receiving chamber 112 through the through hole 142, at least a portion of the body part 144 may be located between the through hole 1212 and the impeller 131 in an axial direction of the fluid control assembly 10, the through hole 142 may penetrate the cover plate part 14, the valve core 121 may have a core passage 1211, the impeller 131 may have an impeller passage 1311, the through hole 142 may be in communication with the core passage 1211 and the impeller passage 1311, further, a fluid of the core passage 1211 may flow to the impeller passage 1311 through the through hole 142, the cover plate part 14 may function to support the valve member 12, and separate the valve member 12 and the pump member 13 from each other, the fluid may flow through the through hole 142, the fluid may flow to the pump member 13 through the through hole 142, and the fluid in the valve member 12 may flow to the valve member 12, thereby improving reliability of the fluid control assembly 10.

As shown in fig. 5 to 7, the housing 11 may include a first protrusion 113, and the first protrusion 113 may extend in a direction toward the valve member 12 in an axial direction of the fluid control assembly 10, wherein the first protrusion 113 may be fixedly connected with the cover plate 14, and particularly, when assembling, the impeller 131 is mounted in the second receiving chamber 112, and then a lower sidewall of the cover plate 14 is welded and fixed with the first protrusion 113, wherein the first protrusion 113 may be fixed with the cover plate 14 by laser welding.

The cover plate portion 14 may include a second boss 143, the first boss 113 may be disposed radially with respect to the second boss 143, the second boss 143 may be located radially inward of the first boss 113, wherein the second boss 143 may be annular, the second boss 143 may extend in a circumferential direction of the first boss 113, in other embodiments of the present application, the second boss 143 may be arc-shaped, and the second boss 143 may be configured in plurality as needed, and the plurality of second bosses 143 may extend in a circumferential direction of the first boss 113 to achieve fixation between the cover plate portion 14 and the case 11. In the axial direction of the fluid control assembly 10, the second boss 143 may extend in a direction toward the pump member 13, the second boss 143 may include a first sidewall 1431 and a second sidewall 1432, the first sidewall 1431 may be a side of the second boss 143 toward the impeller 131 in the radial direction of the impeller 131, the second sidewall 1432 may be a side of the second boss 143 toward the housing 11, the first sidewall 1431 may be disposed in a gap with the impeller 131, the second boss 143 may be located on a side of the first boss 113 adjacent to the impeller 131 in the radial direction of the impeller 131, the first boss 113 and the second boss 143 may abut each other, for example, in fig. 3, the second sidewall 1432 of the second boss 143 may be in contact with a portion of the first boss 113, and the second sidewall 1432 may be sealed and fixed with the first boss 113, thereby facilitating reduction of fluid leakage.

As shown in fig. 8 and 9, the cover plate 14 may include a main body 144 and a supporting portion 141, where the main body 144 and the supporting portion 141 may be integrally provided, the main body 144 may include an upper wall 1441 and a lower wall 1442, along an axial direction of the fluid control assembly 10, the upper wall 1441 of the main body 144 is a wall facing the valve member 12, the lower wall 1442 of the main body 144 is a wall facing the pump member 13, further, the second protruding portion 143 may be located on the lower wall 1442 of the main body 144 and protrudes toward the pump member 13 from the main body 144, at least a portion of the supporting portion 141 may be located on the upper wall 1441 of the main body 144 and protrudes toward the valve member 12 from the main body 144, where the first protruding portion 113 may be fixedly connected with the lower wall 1442 of the main body 144, and the first protruding portion 113 may be fixed with the lower wall 1442 by means of laser welding, and the lower wall 1442 may be disposed at a certain distance from the impeller 131 in the axial direction of the fluid control assembly 10, that is the lower wall 1442 is spaced from the impeller 131, in embodiments of the present application, the lower wall 1442 may maintain a small gap with the impeller 131 at a lower pressure than the impeller 131, and may be disposed at a lower pressure than the fluid pressure side of the impeller 131, and the fluid pump may have a high pressure side and a high pressure side can be improved.

Referring to fig. 10 to 14, fig. 10 is a schematic cross-sectional view of a fluid control assembly according to a second embodiment of the present application; FIG. 11 is a schematic structural view of a housing of the fluid control assembly of FIG. 10; FIG. 12 is a schematic cross-sectional view of section C-C of FIG. 11; FIG. 13 is a schematic illustration of the configuration of the valve cartridge of the fluid control assembly of FIG. 10; fig. 14 is a schematic cross-sectional view of the valve cartridge of fig. 13.

As shown in fig. 10, in some embodiments of the present application, the valve member 12 may include a valve core 121, the valve core 121 may include a conducting portion 121 and a cover plate portion 14, at least a portion of the cover plate portion 14 may be integrally formed with the conducting portion 121, the housing 11 may include a first protrusion 113, the first protrusion 113 may extend toward the valve member 12 in an axial direction of the fluid control assembly 10, the cover plate portion 14 may include a second protrusion 143, the first protrusion 113 may be disposed radially with the second protrusion 143 being limited, the second protrusion 143 may be disposed radially inward of the first protrusion 113, wherein the second protrusion 143 may be annular, the second protrusion 143 may be disposed radially inward of the first protrusion 113, the second protrusion 143 may extend in a circumferential direction of the first protrusion 113, and in other embodiments of the present application, the second protrusion 143 may be circular-arc-shaped, and the second protrusion 143 may be configured as many as desired, the plurality of second protrusions 143 may extend in the circumferential direction of the first protrusion 113 to achieve a fixed connection between the cover plate 11 and the housing 11. The second boss 143 can extend toward the pump member 13 in the axial direction of the fluid control assembly 10, wherein the second boss 143 can be disposed in clearance with the impeller 131, the second boss 143 can be welded or sealed against or adhesively secured with the first boss 113, and, in the axial projection of the fluid control assembly 10, the forward projection of the impeller 131 can be located inside the forward projection of the cover plate 14, specifically, the second boss 143 can be sealed with the first boss 113 including a first sidewall 1431 and a second sidewall 1432 in the radial direction of the impeller 131, the first sidewall 1431 being the side of the second boss 143 toward the impeller 131, the second sidewall 1432 being the side of the second boss 143 toward the housing 11, the first sidewall 1431 can be disposed in clearance with the impeller 131, the clearance being of a smaller size to reduce the effects on rotation of the valve cartridge and the impeller 131, and, on the other hand, can facilitate reducing fluid flow in the first and second chambers through the clearance, and the second sidewall 1432 can be sealed with the first boss 113 to reduce fluid leakage.

As shown in fig. 10 and 13, the cover plate 14 may include a through hole portion 145 and a body portion 144, and the through hole portion 145, the body portion 144, and the conductive portion 121 may be integrally provided, and in other embodiments of the present application, the through hole portion 145 may be integrally provided with the conductive portion 121, and the body portion 144 may be fixedly connected with the conductive portion 121. In the axial direction of the fluid control assembly 10, the through hole portion 145 may extend toward the pump member 13, one end of the body portion 144 may be connected to the through hole portion 145, one end of the body portion 144 remote from the through hole portion 145 may be connected to the second boss portion 143, and the body portion 144 may be disposed in axial clearance with the impeller 131.

Specifically, as shown in fig. 12 and 13, the main body 144 may include an upper wall 1441 and a lower wall 1442, the upper wall 1441 of the main body 144 is a wall facing the valve member 12, the lower wall 1442 of the main body 144 is a wall facing the pump member 13, further, the second protruding portion 143 may be located on the lower wall 1442 of the main body 144, the through hole portion 145 may be located on the upper wall 1441 of the main body 144, the lower wall 1442 may be spaced from the impeller 131 by a certain distance in the axial direction of the fluid control assembly 10, that is, the lower wall 1442 may be spaced from the impeller 131 by a certain distance, in a specific embodiment of the present application, the lower wall 1442 may maintain a small gap with the impeller 131, the fluid pressure at the inlet of the impeller 131 is low, the fluid pressure at the outlet of the impeller 131 is high, and by being disposed in the gap between the lower wall 1442 and the impeller 131, the fluid channeling on the high pressure side and the low pressure side of the pump member 13 may be effectively reduced.

As shown in fig. 14, the through-hole portion 145 may have a through-hole 142 and include a surface defining the through-hole 141, the first accommodation chamber 111 may be capable of communicating with the second accommodation chamber 112 through the through-hole 142, a portion of the through-hole portion 145 may be configured to form a wall of the through-hole 142, the through-hole 142 may be adapted for fluid communication, in some embodiments of the present application, at least a portion of the impeller 131 may be located within the through-hole 142, or a liquid inlet of the impeller 131 may be in communication with the through-hole 142, the valve cartridge 121 may have a valve cartridge passage 1211, the impeller 131 may have an impeller passage 1311, the through-hole 142 may be in communication with the valve cartridge passage 1211 and the impeller passage 1311, respectively, and further, fluid of the valve cartridge passage 1211 may flow through the through-hole 142 to the impeller passage 1311.

As shown in fig. 11 and 12, the housing 11 may include a third boss 114 and a reinforcing rib 117, the reinforcing rib 117 may be integrally disposed with or fixedly connected to the third boss 114, the reinforcing rib 117 may be fixedly connected to the housing 11 and the first boss 113, respectively, the reinforcing rib 117 may be used to increase strength of the third boss 114, the third boss 114 may be disposed at a circumference of the first boss 113, along a radial direction of the valve core, the third boss 114 may be located at an outer side of the first boss 113, the third boss 114 may have a certain gap with the first boss 113, or the third boss 114 may be fixedly connected to the first boss 113, further, in an axial direction of the fluid control assembly 10, the third boss 114 may extend toward the valve member 12, the sealing member 122 may abut against the third boss 114, the third boss 114 may generate an axial supporting force on the sealing member 122 to ensure a sealing effect between the sealing member 122 and the housing.

As shown in fig. 3 and 10, in some embodiments of the present application, the fluid control assembly 10 may further include a rotating shaft 15, the housing 11 may be provided with a positioning portion 116, the rotating shaft 15 may be in a limiting connection with the positioning portion 116, so as to prevent the rotating shaft 15 from deviating when rotating, wherein the rotating shaft 15 may be in driving connection with the driving assembly 18, the rotating shaft 15 may be in driving connection with the valve core 121, the rotating shaft 15 may be disposed in a radial gap with the rotor assembly 133, the rotor assembly 133 may rotate relative to the rotating shaft 15, and the rotor assembly 133 may move axially along the rotating shaft 15, the rotating shaft 15 may pass through the through hole 142 and be spaced a certain distance from a wall forming the through hole 142, at least a portion of the rotating shaft 15 may be located in the impeller channel 1311, the rotating shaft 15 may perform a limiting function on the impeller 131, further, when the stator assembly 132 drives the rotor assembly 133 to rotate, the rotating shaft 15 may rotate relative to the rotating shaft 15, the driving assembly 18 may drive the rotating shaft 15, and the rotating shaft 15 may further drive the valve core 121 to rotate to control on/off of the fluid.

In some embodiments of the present application, the fluid control assembly 10 may further include a positioning pin 19, the rotating shaft 15 has a first mounting hole, at least part of the positioning pin 19 is located in the first mounting hole and is in limiting connection with the rotating shaft 15, the valve core 121 has a second mounting hole, at least part of the positioning pin 19 is located in the second mounting hole and is in limiting connection with the valve core 121, so when the rotating shaft 15 rotates, the positioning pin 19 can rotate along with the rotating shaft 15 to drive the valve core 121 to rotate, and the valve core 121 rotates to control on-off or reversing of fluid, so that the positioning pin 19 can realize transmission connection between the rotating shaft 15 and the valve core 121, and meanwhile, by providing the first mounting hole and the second mounting hole, the positioning pin can also be axially limited with the rotating shaft 15 and the valve core 121.

As shown in fig. 1 and 2, in some embodiments of the present application, the fluid control assembly 10 may include a first interface 16 and a second interface 17, and in particular, the first interface 16 and the second interface 17 may be located in the housing 11, or the housing 11 may include a first connection pipe and a second connection pipe, and the first interface 16 and the second interface 17 may be located in the first connection pipe and the second connection pipe, respectively. Wherein the first port 16 may be in communication with the impeller channel 1311, the second port 17 may be in communication or relatively not in communication with the valve core channel 1211 by rotating the valve core 121, thereby controlling the first port 16 to be in communication or not in communication with the second port 17. Further, after the fluid enters the valve element 121 from the second port 17, the fluid may enter the impeller 131 through the cover plate 14, and the fluid may exit from the first port 16 after passing through the impeller channel 1311 by the centrifugal force of the rotating impeller 131.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A fluid control assembly comprising a housing (11), a valve member (12), a pump member (13) and a cover plate portion (14), the housing (11) having a first accommodation chamber (111) and a second accommodation chamber (112), the valve member (12) comprising a valve spool (121), the valve spool (121) comprising a conducting portion (1212), the conducting portion (1212) being located in the first accommodation chamber (111), the pump member (13) and the conducting portion (1212) being arranged in an axial direction of the pump member (13), the pump member (13) comprising an impeller (131), at least part of the impeller (131) being located in the second accommodation chamber (112);

The cover plate part (14) comprises a through hole part (145) and a main body part (144), the through hole part (145) and the main body part (144) are of an integrated structure, the through hole part (145) is provided with a through hole (142), the first accommodating cavity (111) is communicated with the second accommodating cavity (112) through the through hole (142), and at least part of the main body part (144) is located between the conducting part (1212) and the impeller (131) along the axial direction of the pump component.

2. The fluid control assembly according to claim 1, wherein the cover plate portion (14) is annular, the cover plate portion (14) includes a support portion (141), the support portion (141) is connected to an outer peripheral side of the main body portion (144) along a radial direction of the cover plate portion (14), the support portion (141) includes a first extension portion (1411), the first extension portion (1411) extends in a direction perpendicular to an axial direction of the fluid control assembly, the first extension portion (1411) includes an outer wall (14111), the outer wall (14111) is disposed around the first extension portion (1411), and the outer wall (14111) is welded or abutted with the housing (11).

3. The fluid control assembly of claim 2, wherein the valve member (12) includes a seal (122) along an axial direction of the spool (121), the spool (121) and the housing (11) being radially sealed by the seal (122), the seal (122) abutting the first extension (1411);

the surface of the main body part facing the impeller is a part of the surface of the second accommodating cavity.

4. A fluid control assembly according to claim 3, wherein the support (141) comprises a second extension (1412), the second extension (1412) extending in the axial direction of the fluid control assembly, the seal (122) being in abutment with the second extension (1412), the first extension (1411), the second extension (1412) and the housing (11) defining a third receiving cavity (115), at least part of the seal (122) being located in the third receiving cavity (115), the seal (122) being in abutment with a wall forming the third receiving cavity (115).

5. The fluid control assembly of any one of claims 1-4, wherein the valve cartridge (121) has a cartridge passage (1211), the through-hole (142) extends through the through-hole portion (145) in an axial direction of the fluid control assembly, the through-hole (142) communicates with the cartridge passage (1211), the impeller (131) has an impeller passage (1311), and the through-hole (142) communicates with the impeller passage (1311); the valve element passage (1211) penetrates the conductive portion (1212) toward the surface of the through hole portion (145).

6. The fluid control assembly of claim 5, wherein the housing (11) comprises a first protrusion (113), the first protrusion (113) extending in a direction towards the conducting portion (1212) in an axial direction of the fluid control assembly, the first protrusion (113) being fixedly connected with the cover plate portion (14).

7. The fluid control assembly of claim 6, wherein the cover plate portion (14) comprises a second protrusion (143), the second protrusion (143) extending in a direction towards the pump member (13) in an axial direction of the fluid control assembly, the second protrusion (143) being in sealing connection with the first protrusion (113).

8. The fluid control assembly of claim 7, wherein the cover plate portion (14) includes a main body portion (144) and a support portion (141), the main body portion (144) includes an upper wall (1441) and a lower wall (1442), the second boss (143) is located at the lower wall (1442) of the main body portion (144), the support portion (141) is located at the upper wall (1441) of the main body portion (144), and the lower wall (1442) is disposed in axial gap with the impeller (131).

9. The fluid control assembly of claim 8, wherein the first boss (113) is radially disposed in limited relation to the second boss (143), the second boss (143) being radially inward of the first boss (113), the second boss (143) extending in a circumferential direction of the first boss (113), the second boss (143) being radially disposed in limited relation to the impeller (131).

10. The fluid control assembly of claim 9, characterized in that the fluid control assembly comprises a spindle (15), the spindle (15) being in driving connection with the valve core (121), the pump member (13) comprising a rotor assembly (133), the spindle (15) being arranged in radial clearance with the rotor assembly (133), the spindle (15) passing through the through hole (142) and being at a distance from a wall forming the through hole (142), at least part of the spindle (15) being located in the impeller channel (1311);

the fluid control assembly includes a first interface (16) and a second interface (17), the first interface (16) in communication with the impeller channel (1311), the spool (121) enabling the second interface (17) to communicate with the spool channel (1211).