Fluid control assembly

Abstract

The invention relates to a fluid control assembly which comprises a first valve body, a second valve body and a valve element, the second valve body is fixed to the first valve body, and the second valve body is provided with a connector; the first valve body is provided with at least partial wall part for limiting a valve cavity, the valve element is rotationally arranged in the valve cavity, the inner wall of the first valve body is provided with a valve body communicating cavity, and the valve body communicating cavity is located on the side, away from the connector, of the valve element; the valve element is provided with valve element communicating cavities, the valve element communicating cavities comprise the first valve element communicating cavity, the second valve element communicating cavity and the third valve element communicating cavity, the first valve element communicating cavity is in fluid isolation with the valve body communicating cavity, and the second valve element communicating cavity and the third valve element communicating cavity are both communicated with the valve body communicating cavity. The first valve element communicating cavity communicates with the at least two connectors, the second valve element communicating cavity, the third valve element communicating cavity and the valve body communicating cavity jointly communicate with the at least two connectors, and the valve element structure is simple.

Description

Technical Field

[0001] This invention relates to the field of thermal management technology, and in particular to a fluid control component. Background Technology

[0002] Typically, the valve core of a fluid control component rotates under the drive of a driving component to achieve fluid control of multiple flow paths. Existing fluids are controlled through the valve core. In order to achieve multiple working modes, multiple conduction cavities need to be set on the valve core, or even multiple layers of conduction cavities are set on the valve core, and each layer of conduction cavity includes multiple conduction cavities, resulting in a relatively complex valve core structure. Summary of the Invention

[0003] Therefore, it is necessary to provide a fluid control component with a relatively simple valve core structure to address the above problems.

[0004] The present invention provides a fluid control component comprising a first valve body, a second valve body, and a valve core. The second valve body is fixed to the first valve body and has an interface. The first valve body has at least a portion of its wall defining a valve cavity. The valve core is rotatably disposed within the valve cavity, and the inner wall of the first valve body has a valve body conduction cavity located on the side of the valve core opposite to the interface. The valve core has a valve core conduction cavity, which includes a first valve core conduction cavity, a second valve core conduction cavity, and a third valve core conduction cavity. The first valve core conduction cavity is fluidly isolated from the valve body conduction cavity. In at least one mode of the fluid control component, the first valve core conduction cavity connects to at least two of the interfaces, and the second valve core conduction cavity, the third valve core conduction cavity, and the valve body conduction cavity jointly connect to at least two of the interfaces.

[0005] The fluid control component provided by this invention has a valve core with a first valve core conducting cavity that can connect to at least two interfaces to achieve corresponding working modes. The valve core also has a second valve core conducting cavity and a third valve core conducting cavity, and a first valve body has a valve body conducting cavity. At least one interface can be connected to another interface through the second valve core conducting cavity, the valve body conducting cavity, and the third valve core conducting cavity to achieve corresponding working modes. Therefore, the fluid control component of this solution can achieve multiple working modes, and by setting a valve body conducting cavity in the first valve body, the number of valve core conducting cavities is reduced, and the valve core structure is relatively simple. Attached Figure Description

[0006] Figure 1 A schematic diagram of the structure of the fluid control component provided by the technical solution of the present invention;

[0007] Figure 2 for Figure 1 Exploded structural diagram of the fluid control component;

[0008] Figure 3 for Figure 1 A cross-sectional schematic diagram of the fluid control component;

[0009] Figure 4 for Figure 1 A schematic diagram of the valve core structure of the fluid control component;

[0010] Figure 5 for Figure 1 Another structural schematic diagram of the valve core of the fluid control component;

[0011] Figure 6 for Figure 1 A schematic diagram of the structure of the first valve body of the fluid control assembly;

[0012] Figure 7 for Figure 1 A schematic diagram of the structure of the second valve body of the fluid control component;

[0013] Figure 8 for Figure 1 A schematic diagram of the structure of the first sealing gasket of the fluid control assembly;

[0014] Figure 9 for Figure 1 A schematic diagram of the structure of the second sealing gasket of the fluid control assembly;

[0015] Figure 10 A schematic diagram of the valve core provided for another technical solution of the present invention;

[0016] Figure 11 A schematic diagram of the assembled valve core and first valve body provided for another technical solution of the present invention;

[0017] Figure 12 This is a schematic diagram of the structure of the first valve body in another technical solution of the present invention.

[0018] 1. First valve body; 11. Valve cavity; 12. Valve body through cavity; 121. First valve body through cavity; 122. Second valve body through cavity; 123. Third valve body through cavity; 13. Through cavity plate; 131. First plate; 132. Second plate; 2. Second valve body; 21. Interface; 211. First interface; 212. Second interface; 213. Third interface; 214. Fourth interface; 215. Fifth interface; 22. Positioning pin; 3. Valve core; 31. Valve core through cavity 311. First valve core guiding cavity; 312. Second valve core guiding cavity; 313. Third valve core guiding cavity; 314. Fourth valve core guiding cavity; 315. First guiding port; 32. Positioning hole; 4. First sealing gasket; 41. First body part; 42. First outer peripheral part; 43. First connecting part; 44. First clearance hole; 5. Second sealing gasket; 51. First body part; 52. Second outer peripheral part; 53. Second connecting part; 54. Second clearance hole; 6. Sealing ring. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and technical solutions. It should be understood that the specific technical solutions described herein are merely illustrative of the invention and are not intended to limit the invention.

[0020] Please see Figures 1 to 3 The fluid control assembly includes a first valve body 1, a second valve body 2, a valve core 3, a first sealing gasket 4, a second sealing gasket 5, and a sealing ring 6.

[0021] The second valve body 2 is fixed to one axial end of the first valve body 1, and the second valve body 2 has an interface 21. The first valve body 1 has at least a portion of the wall defining the valve cavity 11, and the second valve body 2 may also have at least a portion of the wall defining the valve cavity 11. After the first valve body 1 and the second valve body 2 are fixed, a complete valve cavity 11 can be formed. The valve core 3 is rotatably disposed within the valve cavity 11. The inner wall of the first valve body 1 has a valve body conducting cavity 12, which is located on the side of the valve core 3 away from the second valve body 2. The valve core 3 has a valve core conducting cavity 31, which includes a first valve core conducting cavity 311, a second valve core conducting cavity 312, and a third valve core conducting cavity 313. The first valve core conducting cavity 311 is fluidly isolated from the valve body conducting cavity 12. The second valve core conducting cavity 312 and the third valve core conducting cavity 313 are both connected to the valve body conducting cavity 12. The first valve core conducting cavity 311 is connected to at least two ports 21. The second valve core conducting cavity 312, the third valve core conducting cavity 313, and the valve body conducting cavity 12 can jointly connect to at least two ports 21.

[0022] It is conceivable that, since the first valve core conduction cavity 311 is fluidly isolated from the valve body conduction cavity 12, the first valve core conduction cavity 311 can directly conduct at least two interfaces 21. Furthermore, since the second valve core conduction cavity 312 and the third valve core conduction cavity 313 can communicate with the valve body conduction cavity 12, the second valve core conduction cavity 312, the third valve core conduction cavity 313, and the valve body conduction cavity 12 can jointly conduct at least two interfaces 21, thereby enabling the valve core 3 and the first valve body 1 to achieve multiple working modes.

[0023] In addition, since the fluid control assembly is cylindrical in shape, the direction of the central axis of the fluid control assembly is defined as axial, the direction perpendicular to the central axis is defined as radial, and the direction of rotation of the valve core 3 is defined as circumferential.

[0024] The second valve body 2 can be fixed to the first valve body 1 by welding. In order to enhance the sealing of the weld between the first valve body 1 and the second valve body 2, a sealing element can also be provided at the weld.

[0025] The axial end face of the first valve body 1 may be provided with a through hole. Correspondingly, the valve core 3 is provided with a drive shaft. Part of the drive shaft can extend out of the first valve body 1 through the through hole, and a spline may be provided on the drive shaft. An external drive device can engage with the spline and drive the valve core 3 to rotate through the drive shaft. The sealing ring 6 can be sleeved on the outside of the drive shaft and abut against the inner wall of the first valve body 1, thereby enhancing the sealing between the valve core 3 and the first valve body 1.

[0026] Please see Figures 3 to 5 The first valve core guiding cavity 311 has a first guiding port 315, which is located on the axial end face of the valve core 3 facing the second valve body 2. That is, the first valve core guiding cavity 311 can be formed by a recess in the axial end face of the valve core 3. Along the axial direction of the fluid control assembly, the projection of the first valve core guiding cavity 311 overlaps with the projections of at least two interfaces 21, and the first valve core guiding cavity 311 connects to at least two interfaces 21.

[0027] Along the axial direction of the fluid control assembly, the second valve core conducting cavity 312 and the third valve core conducting cavity 313 are disposed through the valve core 3 along the axial direction of the valve core, and are spaced apart along the circumference of the valve core 3; the second valve core conducting cavity 312 is connected to one interface 21, the third valve core conducting cavity 313 is connected to another interface 21, and both the second valve core conducting cavity 312 and the third valve core conducting cavity 313 are connected to the valve body conducting cavity 12.

[0028] The connection interfaces 21 of the first valve core conducting cavity 311, the second valve core conducting cavity 312, and the third valve core conducting cavity 313 differ in their manner. Specifically, along the axial direction of the fluid control assembly, the first valve core conducting cavity 311 does not penetrate the valve core 3, thus allowing for fluid isolation between the first valve core conducting cavity 311 and the valve body conducting cavity 12. Furthermore, since the projection of the first valve core conducting cavity 311 overlaps with the projections of at least two interfaces 21 along the axial direction of the fluid control assembly, the first valve core conducting cavity 311 can directly connect to at least two interfaces 21 through the rotation of the valve core 3.

[0029] Along the axial direction of the fluid control assembly, the second valve core conducting cavity 312 and the third valve core conducting cavity 313 need to penetrate the valve core 3. Therefore, the second valve core conducting cavity 312 and the third valve core conducting cavity 313 can communicate with the same valve body conducting cavity 12. Specifically, one end of the second valve core conducting cavity 312 can communicate with one interface 21, and the other end of the second valve core conducting cavity 312 communicates with the valve body conducting cavity 12. One end of the third valve core conducting cavity 313 can communicate with another interface 21, and the other end of the third valve core conducting cavity 313 communicates with the valve body conducting cavity 12. Therefore, the two interfaces 21 can communicate through the second valve core conducting cavity 312, the third valve core conducting cavity 313, and the valve body conducting cavity 12.

[0030] Furthermore, in this technical solution, since the first valve core conducting cavity 311 needs to connect to two interfaces 21, and the second valve core conducting cavity 312 and the third valve core conducting cavity 313 each connect to one interface 21, the central angle of the first valve core conducting cavity 311 needs to be larger than the central angles of the second valve core conducting cavity 312 and the third valve core conducting cavity 313. Of course, in other technical solutions, the central angles of the first valve core conducting cavity 311, the second valve core conducting cavity 312, and the third valve core conducting cavity 313 are not limited to the above situation. For example, the second valve core conducting cavity 312 and the third valve core conducting cavity 313 can each connect to two or more interfaces 21.

[0031] It should be noted that, depending on actual operational needs, the specific number of valve core guiding cavities 31 is not limited, and the area between the second valve core guiding cavity 312 and the third valve core guiding cavity 313 may or may not have valve core guiding cavities 31. The second valve core guiding cavity 312 and the third valve core guiding cavity 313 may be arranged alternately or adjacently.

[0032] Please see Figure 6 The first valve body 1 has a guide cavity plate 13 on its axial inner wall. The guide cavity plate 13 is located on the side of the valve core 3 away from the second valve body 2. The guide cavity plate 13 and the inner wall of the first valve body 1 surround the valve body guide cavity 12.

[0033] Specifically, the conduction cavity plate 13 includes a first plate 131 and a second plate 132. The first plate 131 is annular and coaxially arranged with the first valve body 1. The second plate 132 is located radially outside the first plate 131, and one end of the second plate 132 is fixed to the first plate 131, while the other end of the second plate 132 is fixed to the inner wall of the first valve body 1. Multiple second plates 132 are provided, and each second plate 132 is spaced apart circumferentially.

[0034] It can be conceivable that, since each of the second plates 132 is spaced apart along the circumference, a valve body guiding cavity 12 can be provided between adjacent second plates 132, and the number and central angle of the valve body guiding cavity 12 can be adjusted according to actual needs.

[0035] Very importantly, the guide plate 13 can be used to enclose the valve body guide cavity 12, and can also be used as a reinforcing rib to strengthen the structural strength of the first valve body 1.

[0036] Specifically, the valve body conduction cavity 12 includes a first valve body conduction cavity 121, a second valve body conduction cavity 122, and a third valve body conduction cavity 123. The first valve body conduction cavity 121, the second valve body conduction cavity 122, and the third valve body conduction cavity 123 can be arranged at intervals along the circumference, and fluid isolation is provided between the first valve body conduction cavity 121, the second valve body conduction cavity 122, and the third valve body conduction cavity 123.

[0037] In at least one mode of the fluid control assembly, the second valve core conduction cavity 312 is connected to one of the first valve body conduction cavity 121, the second valve body conduction cavity 122, and the third valve body conduction cavity 123, and the third valve core conduction cavity 313 is connected to the other of the first valve body conduction cavity 121, the second valve body conduction cavity 122, and the third valve body conduction cavity 123, while the second valve core conduction cavity 312 and the third valve core conduction cavity 313 are fluidly isolated.

[0038] Importantly, the valve body conduction cavity 12 not only has a conduction function but also an isolation function. For example, in this technical solution, if the second valve core conduction cavity 312 and the third valve core conduction cavity 313 are simultaneously connected to the third valve body conduction cavity 123, then the second valve core conduction cavity 312 and the third valve core conduction cavity 313 can conduct; if only one of the second valve core conduction cavity 312 and the third valve core conduction cavity 313 is connected to the third valve body conduction cavity 123, then the second valve core conduction cavity 312 and the third valve core conduction cavity 313 are fluidly isolated.

[0039] Please see Figure 7 Interface 21 includes a first interface 211, a second interface 212, a third interface 213, a fourth interface 214, and a fifth interface 215 arranged sequentially along the circumference.

[0040] In at least one mode of the fluid control assembly, along the axial direction of the fluid control assembly, the projection of the first valve core conduction cavity 311 overlaps with the projections of the first interface 211 and the second interface 212, and the first valve core conduction cavity 311 is connected to the first interface 211 and the second interface 212; the second valve core conduction cavity 312 is connected to the fifth interface 215, the third valve core conduction cavity 313 is connected to the third interface 213, and both the second valve core conduction cavity 312 and the third valve core conduction cavity 313 are connected to the same valve body conduction cavity 12.

[0041] In this technical solution, since the projection of the first valve core conducting cavity 311 overlaps with the projections of the first interface 211 and the second interface 212, the first valve core conducting cavity 311 can conduct through the first interface 211 and the second interface 212. Furthermore, since the second valve core conducting cavity 312 is connected to the fifth interface 215, and the third valve core conducting cavity 313 is connected to the third interface 213, and both the second and third valve core conducting cavities 312 and 313 are connected to the same valve body conducting cavity 12, the second valve core conducting cavity 312, the third valve core conducting cavity 313, and the valve body conducting cavity 12 can all jointly conduct through the fifth interface 215 and the third interface 213.

[0042] It should be noted that although the fifth interface 215 and the third interface 213 are not arranged adjacently in this technical solution, they can also be arranged adjacently according to actual needs. It is only necessary to adjust the second valve core conduction cavity 312 and the third valve core conduction cavity 313 to be arranged adjacently as well, and adjust the central angle of the valve body conduction cavity 12.

[0043] Please see Figure 3 , Figure 4 , Figure 7 The second valve body 2 has a positioning post 22 on its end face facing the valve core 3, and the valve core 3 has a positioning hole 32 on its end face facing the second valve body 2. Both the positioning post 22 and the positioning hole 32 are coaxially arranged with the valve core 3. At least part of the positioning post 22 is located inside the positioning hole 32, and the positioning post 22 is radially limited by the inner wall of the positioning hole 32. That is, the positioning post 22 can restrict the radial movement of the valve core 3, enhance the stability of the valve core 3 when rotating, and the positioning post 22 can also enhance the coaxiality of the valve core 3.

[0044] Please see Figures 2 to 3 , Figure 6 , Figures 8 to 9 The first sealing gasket 4 is disposed between the valve core 3 and the guide cavity plate 13, and the second sealing gasket 5 is disposed between the valve core 3 and the second valve body 2.

[0045] It is conceivable that the valve core 3 has a first sealing gasket 4 and a second sealing gasket 5 on both sides of its axial direction, so the valve core 3 is subjected to uniform force on both sides of its axial direction. In addition, since the valve core 3 is subjected to force on both sides of its axial direction, the valve core 3 can be tightly abutted against the first sealing gasket 4 and the second sealing gasket 5, thus having good sealing performance, without the need to set up additional elastic elements to enhance the sealing performance between the valve core 3 and the first sealing gasket 4 and the second sealing gasket 5.

[0046] Specifically, the first sealing gasket 4 includes a first body portion 41, a first outer peripheral portion 42, and a first connecting portion 43. Both the first body portion 41 and the first outer peripheral portion 42 are annular, with the first outer peripheral portion 42 located radially outside the first body portion 41. One end of the first connecting portion 43 is fixed to the first body portion 41, and the other end of the first connecting portion 43 is fixed to the first outer peripheral portion 41. The first body portion 41 can be pressed between the first plate 131 and the valve core 3, and a portion of the first connecting portion 43 can be pressed between the second plate 132 and the valve core 3.

[0047] The second sealing gasket 5 includes a second body portion 51, a second outer peripheral portion 52, and a second connecting portion 53. Both the second body portion 51 and the second outer peripheral portion 52 can be annular, and the second outer peripheral portion 52 is located radially outside the second body portion 51. One end of the second connecting portion 53 is fixed to the second body portion 51, and the other end of the second connecting portion 53 is fixed to the second outer peripheral portion 52. The second sealing gasket 5 can be pressed between the valve core 3 and the second valve body 2.

[0048] It can be inferred that the first plate 131 and the second plate 132 squeeze the first sealing gasket 4 to make the first sealing gasket 4 and the valve core 3 come into close contact. They can also apply a force toward the second sealing gasket 5 to the valve core 3 so that the valve core 3 can also come into close contact with the second sealing gasket 5. Therefore, the first plate 131 and the second plate 132 can also play the role of making the valve core 3 come into close contact with the first sealing gasket 4 and the second sealing gasket 5.

[0049] The first sealing gasket 4 can enhance the sealing between the valve core 3 and the guide cavity plate 13, thereby reducing or even preventing crossflow between the valve core guide cavity 31 and the valve body guide cavity 12. The second sealing gasket 5 can enhance the sealing between the valve core 3 and the second valve body 2, thereby reducing or even avoiding crossflow between the valve core guide cavity 31 and the interface 21.

[0050] Multiple first connecting portions 43 may be provided, up to five, with each first connecting portion 43 spaced apart circumferentially along the first sealing gasket 4. A first clearance hole 44 may be provided between the first body portion 41, the first outer peripheral portion 42, and two adjacent first connecting portions 43.

[0051] Multiple second connecting portions 53 may be provided, up to five, with each second connecting portion 53 spaced apart circumferentially along the second sealing gasket 5. A second clearance hole 54 may be provided between the second body portion 51, the second outer peripheral portion 52, and two adjacent second connecting portions 53.

[0052] Along the axial direction of the valve core 3, the projections of interface 21, the second clearance hole 54, and the first valve core guiding cavity 311 at least partially overlap. In this case, interface 21 can communicate with the second clearance hole 51 and the first valve core guiding cavity 311. The projections of interface 21, the second clearance hole 54, the second valve core guiding cavity 312 or the third valve core guiding cavity 313, the first clearance hole 44, and the valve body guiding cavity 12 at least partially overlap. In this case, interface 21 can communicate with the second clearance hole 54, the second valve core guiding cavity 312 or the third valve core guiding cavity 313, the first clearance hole 44, and the valve body guiding cavity 12.

[0053] Please see Figures 10 to 11 In another technical solution, the valve core 3 also has a fourth valve core guiding cavity 314, which extends through the valve core 3 axially and is located between the second valve core guiding cavity 312 and the third valve core guiding cavity 313.

[0054] Part of the fourth valve core conducting cavity 314 is connected to the second valve body conducting cavity 122, and another part of the fourth valve core conducting cavity 314 is connected to the first valve body conducting cavity 121. The third valve core conducting cavity 313 is connected to the first valve body conducting cavity 121, and the second valve core conducting cavity 312 is connected to the second valve body conducting cavity 122. As the valve core 3 rotates, the conducting area between the fourth valve core conducting cavity 314 and the second valve body conducting cavity 122 increases or decreases, and the conducting area between the fourth valve core conducting cavity 314 and the first valve body conducting cavity 121 decreases or increases.

[0055] It should be noted that in this technical solution, the first valve body conducting cavity 121 and the second valve body conducting cavity 122 are arranged adjacent to each other in the circumferential direction, and the second valve core conducting cavity 312, the fourth valve core conducting cavity 314, and the third valve core conducting cavity 313 are arranged adjacent to each other in the circumferential direction. The central angle of the first valve body conducting cavity 121 and the second valve body conducting cavity 122 must be greater than the central angle of the second valve core conducting cavity 312, the fourth valve core conducting cavity 314, and the third valve core conducting cavity 313. Furthermore, along the axial direction of the fluid control assembly, the projection of the second plate 132 overlaps with the projection of the fourth valve core conducting cavity 314. That is, the second plate 132 divides the fourth valve core conducting cavity 314 into two parts. One part of the fourth valve core conducting cavity 314 is connected to the first valve body conducting cavity 121, and the other part of the fourth valve core conducting cavity 314 is connected to the second valve body conducting cavity 122.

[0056] Optionally, the fourth valve core conducting cavity 314 can be used as an inlet, and the second valve core conducting cavity 312 and the third valve core conducting cavity 313 can be used as outlets. When the valve core 3 is rotated, the conducting area between the fourth valve core conducting cavity 314 and the first valve body conducting cavity 121 will increase or decrease, and the conducting area between the fourth valve core conducting cavity 314 and the second valve body conducting cavity 122 will decrease or increase, thereby achieving flow regulation.

[0057] It is conceivable that the flow rate adjustment is not limited to the above situation. Depending on the actual needs, the other valve core conduction chamber 31 and valve body conduction chamber 12 can also be adjusted, which will not be elaborated here.

[0058] Please see Figure 6 In another technical solution, the second plate 132 can be arranged radially, that is, the second plate 132 is linear. See also... Figure 12 The second plate 132 can also be curved. The curved second plate 132 helps to reduce the flow resistance when the fluid flows in the valve body guide cavity 12.

[0059] It is important to understand that the fluid control component provided in this technical solution can independently achieve the function of guiding fluid flow; that is, the first valve body 1 and the second valve body 2 can be directly fixed to other thermal management components and guide fluid flow. Alternatively, the fluid control component can be integrated with other fluid components to jointly achieve the function of guiding fluid flow. Specifically, the first valve body 1 and the second valve body 2 can be integrated with other valve bodies to form a flow channel plate, or the flow channel plate can be a single integrated structure with multiple valve bodies. The flow channel plate is then fixed to other thermal management components and guides fluid flow. Multiple valve bodies can be integrated on the flow channel plate, and flow channels can be provided between each valve body. These flow channels can guide different valve bodies to achieve different operating modes.

[0060] The technical features of the above-described technical solutions can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above-described technical solutions are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0061] The above-described technical solutions merely illustrate several embodiments of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and controls without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A fluid control component, characterized in that, The valve includes a first valve body (1), a second valve body (2), and a valve core (3). The second valve body (2) is fixed to the first valve body (1) and has an interface (21). The first valve body (1) has at least a portion of its wall defining a valve cavity (11). The valve core (3) is rotatably disposed within the valve cavity (11). The inner wall of the first valve body (1) has a valve body through cavity (12), which is located on the side of the valve core (3) away from the interface (21). The valve core (3) has a valve core conduction cavity (31), which includes a first valve core conduction cavity (311), a second valve core conduction cavity (312), and a third valve core conduction cavity (313). The first valve core conduction cavity (311) is fluidly isolated from the valve body conduction cavity (12). In at least one mode of the fluid control assembly, the first valve core conduction cavity (311) is connected to at least two of the interfaces (21), and at least one of the interfaces (12) is connected to another interface (12) through the second valve core conduction cavity (312), the valve body conduction cavity (12), and the third valve core conduction cavity (313).

2. The fluid control assembly according to claim 1, characterized in that, The first valve core guiding cavity (311) has a first guiding port (315), which is located on the axial end face of the valve core (3) facing the second valve body (2); in at least one mode of the fluid control assembly, along the axial direction of the fluid control assembly, the projection of the first guiding port (315) overlaps with the projection of at least two of the interfaces (21), and the first guiding port (315) connects to at least two of the interfaces (21).

3. The fluid control assembly according to claim 2, characterized in that, Along the axial direction of the fluid control assembly, the second valve core guiding cavity (312) and the third valve core guiding cavity (313) are disposed through the valve core (3). The penetrating direction of the second valve core guiding cavity (312) and the third valve core guiding cavity (313) is parallel to the axial direction of the fluid control assembly. The second valve core guiding cavity (312) and the third valve core guiding cavity (313) are disposed circumferentially at intervals along the valve core (3). The second valve core guiding cavity (312) is connected to one of the interfaces (21), and the third valve core guiding cavity (313) is connected to another interface (21). Both the second valve core guiding cavity (312) and the third valve core guiding cavity (313) are connected to the same valve body guiding cavity (12).

4. The fluid control assembly according to claim 1, characterized in that, The first valve body (1) has a guide cavity plate (13) on its axial inner wall. The guide cavity plate (13) is located on the side of the valve core (3) away from the second valve body (2). The guide cavity plate (13) and the inner wall of the first valve body (1) form a valve body guide cavity (12).

5. The fluid control assembly according to claim 4, characterized in that, The conductive cavity plate (13) includes a first plate (131) and a second plate (132). The first plate (131) is annular and is coaxially arranged with the first valve body (1). The second plate (132) is located radially outside the first plate (131), and one end of the second plate (132) is fixed to the first plate (131), and the other end of the second plate (132) is fixed to the inner wall of the first valve body (1). There are multiple second plates (132), and each second plate (132) is spaced apart circumferentially.

6. The fluid control assembly according to claim 5, characterized in that, The fluid control assembly also includes a first sealing gasket (4) and a second sealing gasket (5). The first sealing gasket (4) is disposed between the valve core (3) and the guide cavity plate (13), and the second sealing gasket (5) is disposed between the valve core (3) and the second valve body (2).

7. The fluid control assembly according to claim 6, characterized in that, The first sealing gasket (4) includes a first body part (41), a first outer peripheral part (42), and a first connecting part (43). The first body part (41) and the first outer peripheral part (42) are both annular, and the first outer peripheral part (41) is located on the radial outer side of the first body part (42). One end of the first connecting part (43) is fixed to the first body part (41), and the other end of the first connecting part (43) is fixed to the first outer peripheral part (42). The first body part (41) is pressed between the first plate (131) and the valve core (3), and part of the first connecting part (43) is pressed between the second plate (132) and the valve core (3). The second sealing gasket (5) includes a second body portion (51), a second outer peripheral portion (52), and a second connecting portion (53). The second body portion (51) and the second outer peripheral portion (52) are both annular, and the second outer peripheral portion (52) is located radially outside the second body portion (51). One end of the second connecting portion (53) is fixed to the second body portion (51), and the other end of the second connecting portion (53) is fixed to the second outer peripheral portion (52). The second sealing gasket (5) is pressed between the valve core (3) and the second valve body (2).

8. The fluid control assembly according to claim 7, characterized in that, The first connecting part (43) is provided in multiple parts and is arranged at intervals along the circumference of the first sealing gasket (4); a first vent hole (44) is provided between the first body part (41), the first outer peripheral part (42), and two adjacent first connecting parts (43); The second connecting part (53) is provided in multiple ways and is spaced apart along the circumference of the second sealing gasket (5). The second body part (51), the second outer peripheral part (52), and the two adjacent second connecting parts (53) are surrounded by a second vent hole (54). Along the axial direction of the valve core (3), the projections of the interface (21), the second vent hole (54), and the first valve core guiding cavity (311) at least partially overlap, and the projections of the interface (21), the second vent hole (54), the second valve core guiding cavity (312) or the third valve core guiding cavity (313), the first vent hole (44), and the valve body guiding cavity (12) at least partially overlap.

9. The fluid control assembly according to any one of claims 1-8, characterized in that, The interface (21) includes a first interface (211), a second interface (212), a third interface (213), a fourth interface (214), and a fifth interface (215) arranged sequentially along the circumference; In at least one mode of the fluid control assembly, along the axial direction of the fluid control assembly, the projection of the first valve core conduction cavity (31) overlaps with the projections of the first interface (211) and the second interface (212), and the first valve core conduction cavity (31) is connected to the first interface (211) and the second interface (212); the second valve core conduction cavity (32) is connected to the fifth interface (215), the third valve core conduction cavity (33) is connected to the third interface (213), and the second valve core conduction cavity (32) and the third valve core conduction cavity (33) are both connected to the same valve body conduction cavity (12).

10. The fluid control assembly according to any one of claims 1-8, characterized in that, The valve body conduction cavity (12) includes a first valve body conduction cavity (121), a second valve body conduction cavity (122), and a third valve body conduction cavity (123) arranged circumferentially along the first valve body (1); In at least one mode of the fluid control assembly, the second valve core conduction cavity (312) is connected to one of the first valve body conduction cavity (121), the second valve body conduction cavity (122), and the third valve body conduction cavity (123), and the third valve core conduction cavity (313) is connected to the other of the first valve body conduction cavity (121), the second valve body conduction cavity (122), and the third valve body conduction cavity (123), and the second valve core conduction cavity (312) and the third valve core conduction cavity (313) are fluidly isolated.

11. The fluid control assembly according to any one of claims 4-8, characterized in that, The valve core (3) also has a fourth valve core guiding cavity (314), which extends through the valve core (3) axially and is located between the second valve core guiding cavity (312) and the third valve core guiding cavity (313) along the circumferential direction of the valve core. Part of the fourth valve core conducting cavity (314) is connected to the second valve body conducting cavity (122), another part of the fourth valve core conducting cavity (314) is connected to the first valve body conducting cavity (121), and the third valve core conducting cavity (313) is connected to the first valve body conducting cavity (121), and the second valve core conducting cavity (312) is connected to the second valve body conducting cavity (122); As the valve core (3) rotates, the conduction area between the fourth valve core conduction cavity (314) and the second valve body conduction cavity (122) increases or decreases, and the conduction area between the fourth valve core conduction cavity (314) and the first valve body conduction cavity (121) decreases or increases.

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