Multi-way valve

Abstract

The utility model discloses a multi-way valve which comprises a valve body provided with a valve element cavity and a valve body cavity, a valve element assembly located in the valve element cavity, a first valve cover arranged at one end of the valve body, a driving assembly arranged on the first valve cover and a second valve cover arranged at the other end of the valve body. The valve element assembly comprises a first valve element and a second valve element arranged coaxially with the first valve element. The first valve element comprises a first inner cavity of the first valve element and a second inner cavity of the first valve element. The second valve element comprises a second valve element first inner cavity, a second valve element second inner cavity, a second valve element third inner cavity and a second valve element interval cavity, wherein the second valve element second inner cavity and the second valve element first inner cavity are arranged in a spaced mode, the second valve element third inner cavity is arranged adjacent to the second valve element second inner cavity, and the second valve element interval cavity is located between the second valve element first inner cavity and the second valve element third inner cavity. According to the utility model, at least six working modes can be realized, the flow direction of fluid is changed, the application scene is expanded, parts are reduced, the cost is reduced, and the assembly volume is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a multi-way valve. Background Art

[0002] Water valves in the automotive field often use butterfly valves, ball valves, column valves, etc. The fluid flow direction of the water valve is controlled by the valve core assembly, and its flow channel openings are arranged irregularly, resulting in a chaotic pipeline arrangement and affecting the installation of other components such as actuators. In addition, the existing multi-way valve has fewer working modes. If the mode is to be increased, the complexity of the internal structure will be further increased, affecting the use. Similar technologies can refer to China Invention Publication Patent CN114636003A. Utility Model Content

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a multi-way valve that can realize at least six working modes, change the flow direction of the fluid, expand the application scenarios, reduce parts, reduce costs, and reduce the assembly volume.

[0004] To achieve the purpose of the utility model, the utility model provides the following technical solutions: a multi-way valve, comprising a valve body having a valve core cavity and a valve body cavity, a valve core assembly located in the valve core cavity, a first valve cover arranged at one end of the valve body, a drive assembly arranged on the first valve cover, and a second valve cover arranged at the other end of the valve body, wherein the valve core assembly comprises a first valve core and a second valve core arranged coaxially with the first valve core; wherein the first valve core comprises a first inner cavity of the first valve core, and a second inner cavity of the first valve core; the second valve core comprises a first inner cavity of the second valve core, a second inner cavity of the second valve core arranged spaced apart from the first inner cavity of the second valve core, a third inner cavity of the second valve core arranged adjacent to the second inner cavity of the second valve core, and a second valve core spacing cavity located between the first inner cavity of the second valve core and the third inner cavity of the second valve core or between the first inner cavity of the second valve core and the second inner cavity of the second valve core.

[0005] On the basis of the above technical solution, the following subsidiary technical solutions are further included:

[0006] It also includes a first and a second liquid flow channel, and the valve body cavity is located on the outside of the valve core cavity and has a plurality of valve body flow channel openings that are interconnected, and the valve core cavity also has a plurality of valve core flow channel openings that are interconnected, wherein the first liquid flow channel flows into the valve body cavity from a valve body flow channel opening, passes through the first valve core, and then flows out from another valve body flow channel opening of the valve body cavity; and the second liquid flow channel flows into the valve core cavity from a valve core flow channel opening, passes through the second valve core, and then flows out from another valve core flow channel opening of the valve core cavity.

[0007] The second valve cover has pipe opening No. 1, pipe opening No. 2, pipe opening No. 3, pipe opening No. 4, pipe opening No. 5, pipe opening No. 6, pipe opening No. 8, pipe opening a, and pipe opening b, wherein pipe opening No. 1, pipe opening No. 2, pipe opening No. 3, and pipe opening No. 4 are all connected to the interior of the first valve core, and pipe opening No. 5, pipe opening No. 6, pipe opening No. 8, pipe opening a, and pipe opening b are all connected to the interior of the second valve core.

[0008] It also includes multiple working modes, wherein in the first working mode, the No. 1 pipe port and the No. 2 pipe port are connected to the first inner cavity of the first valve core, and the No. 3 pipe port and the No. 4 pipe port are connected to the second inner cavity of the first valve core, the No. 5 pipe port and the No. 6 pipe port are connected to the second inner cavity of the second valve core, the No. 8 pipe port and the No. a pipe port are connected to the third inner cavity of the second valve core, and the No. b pipe port is connected to the second valve core spacer cavity; in the second working mode, the No. 1 pipe port and the No. 2 pipe port are connected to the first inner cavity of the first valve core, and the No. 3 pipe port and the No. 4 pipe port are connected to the second inner cavity of the first valve core. The pipe ports 6 and 8 are connected to the interior of the first inner cavity of the second valve core, the pipe ports 5 and a are connected to the interior of the interval cavity of the second valve core, and the pipe port b is connected to the interior of the third inner cavity of the second valve core; in the third working mode, the pipe ports 1 and 2 are connected to the interior of the first inner cavity of the first valve core, and the pipe ports 3 and 4 are connected to the interior of the second inner cavity of the first valve core, the pipe ports 6 and 8 are connected to the interior of the third inner cavity of the second valve core, the pipe ports 5 and b are connected to the interior of the second inner cavity of the second valve core, and the pipe port a is connected to the interior of the interval cavity of the second valve core. In the fourth working mode, the No. 1 and No. 3 pipe ports are connected to the interior of the second inner cavity of the first valve core, and the No. 2 and No. 4 pipe ports are connected to the interior of the first inner cavity of the first valve core, the No. 6 and No. 8 pipe ports are connected to the interior of the first inner cavity of the second valve core, the No. 5 and a pipe ports are connected to the interior of the second valve core interval cavity, and the b pipe port is connected to the interior of the third inner cavity of the second valve core; in the fifth working mode, the No. 1 and No. 3 pipe ports are connected to the interior of the second inner cavity of the first valve core, and the No. 2 and No. 4 pipe ports are connected to the interior of the first inner cavity of the first valve core, the No. 6 and No. 8 pipe ports are connected to the interior of the first inner cavity of the second valve core, the No. 5 and a pipe ports are connected to the interior of the second valve core interval cavity, and the b pipe port is connected to the interior of the third inner cavity of the second valve core. No. 1 and No. 2 are connected to the interior of the first inner cavity of the first valve core, while No. 3 and No. 4 are connected to the interior of the second inner cavity of the first valve core, No. 5 and No. 6 are connected to the interior of the first inner cavity of the second valve core, No. 8 and No. b are connected to the interior of the second inner cavity of the second valve core, and No. a is connected to the interior of the second inner cavity of the second valve core; in the sixth working mode, No. 1 and No. 2 are connected to the interior of the first inner cavity of the first valve core, while No. 3 and No. 4 are connected to the interior of the second inner cavity of the first valve core, No. 5 and No. 6 are connected to the interior of the first inner cavity of the second valve core, No. 8 and No. b are connected to the interior of the second valve core interval cavity, and No. a is connected to the interior of the second inner cavity of the second valve core.

[0009] The first valve core includes a first valve core shaft located in the center, a first valve core shaft cavity formed around the first valve core shaft and spaced apart from the first inner cavity of the first valve core and the second inner cavity of the first valve core, a first valve core shaft cavity wall surrounding the first valve core shaft cavity, a first valve core cavity connecting wall separating the first inner cavity of the first valve core and the second inner cavity of the first valve core, and a second valve core cavity connecting wall separating the first inner cavity of the first valve core and the second inner cavity of the first valve core.

[0010] The second valve core includes a first radial section that extends radially and limits one side of the first inner cavity of the second valve core, a second radial section that extends radially and limits the other side of the first inner cavity of the second valve core, a first connecting section that connects the first radial section and the second radial section, a third radial section that extends radially and limits one side of the second inner cavity of the second valve core, a fourth radial section that extends radially and limits the other side of the second inner cavity of the second valve core and limits one side of the third inner cavity of the second valve core, a fifth radial section that extends radially and limits the other side of the third inner cavity of the second valve core, and a second connecting section that connects the third radial section, the fourth radial section, and the fifth radial section, wherein the first radial section, the second radial section, the first connecting section, the third radial section, the fifth radial section, and the second connecting section jointly define the second valve core interval cavity.

[0011] The invention also includes a first sealing member arranged between the first valve core and the first valve cover, a second sealing member arranged between the second valve core and one side of the second valve cover, and a third sealing member arranged on the other side of the second valve cover.

[0012] The valve core assembly includes a second valve core shaft which is coaxial with the first valve core shaft and drives the second valve core to rotate.

[0013] The valve body includes a valve core cavity annular wall formed around the valve core cavity, a valve body annular wall located outside the valve core cavity annular wall, a plurality of valve body connecting parts located between the valve core cavity annular wall and the valve body annular wall and radially connected, and a valve core cavity end wall located at one end of the valve core cavity annular wall and adjacent to the first valve cover, wherein the valve core cavity end wall includes a valve core cavity end wall central part, a valve core cavity end wall outer ring part located outside the valve core cavity end wall central part, a plurality of valve core cavity end wall connecting parts radially connecting the valve core cavity end wall central part and the valve core cavity end wall outer ring part, and a valve core cavity end wall opening part located between two adjacent valve core cavity end wall connecting parts.

[0014] Compared with the prior art, the utility model has the following beneficial effects: it can realize at least six working modes, change the flow direction of the fluid, expand the application scenarios, reduce parts, reduce costs, and reduce the assembly volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 It is a three-dimensional exploded view of the utility model;

[0019] Figure 4 It is a three-dimensional diagram of the valve body in the utility model at one viewing angle;

[0020] Figure 5 It is a three-dimensional diagram of the valve body in the utility model from another perspective;

[0021] Figure 6 It is a three-dimensional diagram of the first valve core in the utility model;

[0022] Figure 7 It is a three-dimensional diagram of the second valve core in the utility model;

[0023] Figure 8 is a schematic diagram of the position of the first valve core of the utility model in the first mode;

[0024] Fig. 9 is a schematic diagram of the position of the second valve core of the utility model in the first mode;

[0025] Fig.10 It is a schematic diagram of the corresponding positions of the first valve core and the second valve core of the utility model in the first mode;

[0026] Fig.11 is a schematic diagram of the position of the first valve core of the utility model in the second mode;

[0027] Fig.12 is a schematic diagram of the position of the second valve core of the utility model in the second mode;

[0028] Fig.13 It is a schematic diagram of the corresponding positions of the first valve core and the second valve core of the utility model in the second mode;

[0029] Fig.14 is a schematic diagram of the position of the first valve core of the utility model in the third mode;

[0030] Fig.15 is a schematic diagram of the position of the second valve core of the utility model in the third mode;

[0031] Fig.16 This is a schematic diagram of the corresponding positions of the first valve core and the second valve core of the utility model in the third mode

[0032] Fig.17 is a schematic diagram of the position of the first valve core of the utility model in the fourth mode;

[0033] Fig.18 is a schematic diagram of the position of the second valve core of the utility model in the fourth mode;

[0034] Fig.19 is a schematic diagram of the corresponding positions of the first valve core and the second valve core of the utility model in the fourth mode;

[0035] Fig. 20 is a schematic diagram of the position of the first valve core of the utility model in the fifth mode;

[0036] Fig.21 is a schematic diagram of the position of the second valve core of the utility model in the fifth mode;

[0037] Fig. 22 is a schematic diagram of the corresponding positions of the first valve core and the second valve core of the utility model in the fifth mode;

[0038] Fig.23 is a schematic diagram of the position of the first valve core of the utility model in the sixth mode;

[0039] Fig.24 is a schematic diagram of the position of the second valve core of the utility model in the sixth mode;

[0040] Fig.25 It is a schematic diagram of the corresponding positions of the first valve core and the second valve core of the utility model in the sixth mode. DETAILED DESCRIPTION

[0041] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0042] like Figure 1-25 As shown, the utility model provides a specific embodiment of a multi-way valve, which includes a valve body 1000 having a valve core cavity 1200 and a valve body cavity 1300, a valve core assembly 2000 located in the valve core cavity 1200, a first valve cover 3000 arranged at one end of the valve body 1000, a drive assembly 4000 arranged on the first valve cover 3000, and a second valve cover 6000 arranged at the other end of the valve body 1000.

[0043] The valve body 1000 includes a valve core cavity annular wall 1220 formed around the valve core cavity 1200, a valve body annular wall 1400 located outside the valve core cavity annular wall 1220, a plurality of valve body connecting portions 1320 located between the valve core cavity annular wall 1220 and the valve body annular wall 1400 and radially connected, and a valve core cavity end wall 1600 located at one end of the valve core cavity annular wall 1220 and adjacent to the first valve cover 3000, wherein the valve core cavity end wall 1600 includes a valve core cavity end wall central portion 1620, a valve core cavity end wall outer ring portion 1640 located outside the valve core cavity end wall central portion 1620, a plurality of valve core cavity end wall connecting portions 1660 radially connecting the valve core cavity end wall central portion 1620 and the valve core cavity end wall outer ring portion 1640, and a valve core cavity end wall opening portion 1680 located between two adjacent valve core cavity end wall connecting portions 1660. A central axial hole 1622 is provided in the middle of the valve core cavity end wall center portion 1620. A first connecting portion axis 1610 is provided in the middle of each valve core cavity end wall connecting portion 1660. In this embodiment, there are 8 of them, extending in the radial direction and spaced circumferentially.

[0044] The valve core assembly 2000 includes a first valve core 2200, a second valve core 2400 coaxially arranged with the first valve core 2200, a first valve core shaft 5000 driving the first valve core 2200, and a second valve core shaft 5200 coaxially arranged with the first valve core shaft 5000 and driving the second valve core 2400 to rotate. The first valve core 2200 includes a first inner cavity 2240 of the first valve core and a second inner cavity 2260 of the first valve core; the second valve core 2400 includes a first inner cavity 2430 of the second valve core, a second inner cavity 2440 of the second valve core spaced apart from the first inner cavity 2430 of the second valve core, a third inner cavity 2450 of the second valve core spaced apart from the second inner cavity 2440 of the second valve core, and a second valve core spacer cavity 2460 located between the first inner cavity 2430 of the second valve core and the third inner cavity 2450 of the second valve core. The first valve core 2200 includes a first valve core shaft 5000 located in the center, a first valve core outer wall 2220 located outside, a first valve core shaft cavity 2280 arranged around the first valve core shaft 5000 and spaced apart from the first valve core first inner cavity 2240 and the first valve core second inner cavity 2260, a first valve core shaft cavity wall 2282 surrounding the first valve core shaft cavity 2280, a first valve core cavity connecting wall 2242 separating the first valve core first inner cavity 2240 and the first valve core second inner cavity 2260, and a second valve core cavity connecting wall 2262 separating the first valve core first inner cavity 2240 and the first valve core second inner cavity 2260. The other ends of the first valve core cavity connecting wall 2242 and the second valve core cavity connecting wall 2262 are connected to the inner wall of the first valve core outer wall 2220. The first valve core outer wall 2220 is arranged around the first valve core shaft cavity wall 2282. The second valve core 2400 includes a second valve core outer wall 2420 located on the outside, a first radial section 2432 extending radially and limiting one side of the first inner cavity 2430 of the second valve core, a second radial section 2436 extending radially and limiting the other side of the first inner cavity 2430 of the second valve core, a first connecting section 2434 connecting the first radial section 2432 and the second radial section 2436, a third radial section 2442 extending radially and limiting one side of the second inner cavity 2440 of the second valve core, and a third radial section 2443 extending radially and limiting the other side of the second inner cavity 2440 of the second valve core. The fourth radial section 2444 controls one side of the third inner cavity 2450 of the second valve core, the fifth radial section 2452 extends radially and limits the other side of the third inner cavity 2450 of the second valve core, and the second connecting section 2446 connects the third radial section 2442, the fourth radial section 2444, and the fifth radial section 2452, wherein the first radial section 2432, the second radial section 2436, the first connecting section 2434, the third radial section 2442, the fifth radial section 2452, and the second connecting section 2446 jointly define the second valve core spacing cavity 2460. The first radial section 2432, the second radial section 2436, the third radial section 2442, the fourth radial section 2444, and the fifth radial section 2452 are all connected to the inner side of the outer wall 2420 of the second valve core.The bottom end of the second valve core shaft 5200 extends into the central shaft hole 1622 , while the top end is inserted into the first valve core shaft 5000 .

[0045] The first valve cover 3000 includes a first valve cover central portion 3200, a plurality of first valve cover pipe openings 3400 circumferentially arranged around the first valve cover central portion 3200, and a plurality of first valve cover connecting portions 3420 radially spaced between two adjacent first valve cover pipe openings 3400. A second connecting portion axis 3410 is provided in the middle of each first valve cover connecting portion 3420, and in this embodiment, there are 8 of them, which extend in the radial direction and are spaced circumferentially.

[0046] This embodiment also includes a first and a second liquid flow channel, and the valve body cavity 1300 is located on the outside of the valve core cavity 1200, wherein the first liquid flow channel flows into from one end of the valve body cavity 1300, passes through the first valve core 2200, and then flows out from the other end of the valve body cavity 1300; and the second liquid flow channel flows into from one end of the valve core cavity 1200, passes through the second valve core 2400, and then flows out from the other end of the valve core cavity 1200.

[0047] The drive assembly 4000 includes a drive motor 4200, a drive lower cover 4400 disposed on the first valve cover 3000 and at least partially shielding the bottom of the drive motor 4200, a drive lower cover 4600 at least partially shielding the top of the drive motor 4200, a reduction gear set 4800 connected to the output of the drive motor 4200, and a drive shaft 4820 connected to the output of the reduction gear set 4800 and transmission-connected to the first valve core shaft 5000.

[0048] The second valve cover 6000 has pipe opening No. 1, pipe opening No. 2, pipe opening No. 3, pipe opening No. 4, pipe opening No. 5, pipe opening No. 6, pipe opening No. 8, pipe opening a, and pipe opening b, among which pipe opening No. 1, pipe opening No. 2, pipe opening No. 3, and pipe opening No. 4 are all connected to the interior of the first valve core 2200, and pipe opening No. 5, pipe opening No. 6, pipe opening No. 8, pipe opening a, and pipe opening b are all connected to the interior of the second valve core 2400.

[0049] This embodiment also includes six working modes, wherein in the first working mode, the No. 1 pipe port and the No. 2 pipe port are connected to the interior of the first inner cavity 2240 of the first valve core, and the No. 3 pipe port and the No. 4 pipe port are connected to the interior of the second inner cavity 2260 of the first valve core, the No. 5 pipe port and the No. 6 pipe port are connected to the interior of the second inner cavity 2440 of the second valve core, the No. 8 pipe port and the No. a pipe port are connected to the interior of the third inner cavity 2450 of the second valve core, and the No. b pipe port is connected to the interior of the second valve core interval cavity 2460; in the second working mode, the No. 1 pipe port and the No. 2 pipe port are connected to the interior of the first inner cavity 2240 of the first valve core, and the No. 3 pipe port and the No. 4 pipe port are connected to the second inner cavity 2260 of the first valve core In the third working mode, the No. 1 and No. 2 pipe ports are connected to the first inner cavity 2240 of the first valve core, the No. 3 and No. 4 pipe ports are connected to the second inner cavity 2260 of the first valve core, the No. 6 and No. 8 pipe ports are connected to the third inner cavity 2450 of the second valve core, the No. 5 and No. b pipe ports are connected to the second inner cavity 2440 of the second valve core, and the No. a pipe port is connected to the third inner cavity 2450 of the second valve core; in the third working mode, the No. 1 and No. 2 pipe ports are connected to the first inner cavity 2240 of the first valve core, and the No. 3 and No. 4 pipe ports are connected to the second inner cavity 2260 of the first valve core, the No. 6 and No. 8 pipe ports are connected to the third inner cavity 2450 of the second valve core, the No. 5 and No. b pipe ports are connected to the second inner cavity 2440 of the second valve core, and the No. a pipe port is connected to the second valve core inner cavity 2460 0 is connected internally; in the fourth working mode, the No. 1 and No. 3 pipe ports are connected to the interior of the second inner cavity 2260 of the first valve core, and the No. 2 and No. 4 pipe ports are connected to the interior of the first inner cavity 2240 of the first valve core, the No. 6 and No. 8 pipe ports are connected to the interior of the first inner cavity 2430 of the second valve core, the No. 5 and A pipe ports are connected to the interior of the second valve core interval cavity 2460, and the B pipe port is connected to the interior of the third inner cavity 2450 of the second valve core; in the fifth working mode, the No. 1 and No. 3 pipe ports are connected to the interior of the second inner cavity 2260 of the first valve core, and the No. 2 and No. 4 pipe ports are connected to the interior of the first inner cavity 2240 of the first valve core, the No. 6 and No. 8 pipe ports are connected to the interior of the first inner cavity 2430 of the second valve core, the No. 5 and A pipe ports are connected to the interior of the second valve core interval cavity 2460, and the B pipe port is connected to the interior of the third inner cavity 2450 of the second valve core. The pipe port No. 1 and the pipe port No. 8 are connected to the interior of the third inner cavity 2450 of the second valve core, the pipe port No. 5 and the pipe port b are connected to the interior of the second inner cavity 2440 of the second valve core, and the pipe port a is connected to the interior of the second valve core interval cavity 2460; in the sixth working mode, the pipe port No. 1 and the pipe port No. 2 are connected to the interior of the first inner cavity 2240 of the first valve core, and the pipe port No. 3 and the pipe port No. 4 are connected to the interior of the second inner cavity 2260 of the first valve core, the pipe port No. 5 and the pipe port No. 6 are connected to the interior of the first inner cavity 2430 of the second valve core, the pipe port No. 8 and the pipe port b are connected to the interior of the second valve core interval cavity 2460, and the pipe port a is connected to the interior of the second inner cavity 2440 of the second valve core.

[0050] This embodiment further includes a first sealing member 7200 disposed between the first valve core 2200 and the first valve cover 3000, a second sealing member 7400 disposed between the second valve core 2400 and one side of the second valve cover 6000, and a third sealing member 7600 disposed on the other side of the second valve cover 6000. The above sealing members are preferably sealing strips, and the shape of the first sealing member 7200 matches the first valve core 220, the second sealing member 7400 matches the second valve core 2400, and the shape of the third sealing member 7600 matches the second valve cover 6000.

[0051] The utility model has the following beneficial effects: it can realize at least six working modes, change the flow direction of the fluid, expand the application scenarios, reduce parts, reduce costs, and reduce the assembly volume.

[0052] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-way valve, characterized in that It includes: A valve body (1000) having a valve core cavity (1200) and a valve body cavity (1300), a valve core assembly (2000) located in the valve core cavity (1200), a first valve cover (3000) arranged at one end of the valve body (1000), a drive assembly (4000) arranged on the first valve cover (3000), and a second valve cover (6000) arranged at the other end of the valve body (1000), wherein the valve core assembly (2000) comprises a first valve core (2200) and a second valve core (2400) arranged coaxially with the first valve core (2200); wherein the first valve core (2200) comprises a first valve core (2200) and a second valve core (2400) arranged coaxially with the first valve core (2200); The first inner cavity (2240) and the second inner cavity (2260) of the first valve core; the second valve core (2400) includes the first inner cavity (2430) of the second valve core, the second inner cavity (2440) of the second valve core spaced apart from the first inner cavity (2430) of the second valve core, the third inner cavity (2450) of the second valve core adjacent to the second inner cavity (2440) of the second valve core, and the second valve core spacing cavity (2460) located between the first inner cavity (2430) of the second valve core and the third inner cavity (2450) of the second valve core or between the first inner cavity (2430) of the second valve core and the second inner cavity (2440) of the second valve core.

2. A multi-way valve according to claim 1, characterized in that It also includes a first and a second liquid flow channel, and the valve body cavity (1300) is located on the outside of the valve core cavity (1200) and has a plurality of valve body flow channel openings that are interconnected, and the valve core cavity (1200) also has a plurality of valve core flow channel openings that are interconnected, wherein the first liquid flow channel flows in from a valve body flow channel opening of the valve body cavity (1300), passes through the first valve core (2200), and then flows out from another valve body flow channel opening of the valve body cavity (1300); and the second liquid flow channel flows in from a valve core flow channel opening of the valve core cavity (1200), passes through the second valve core (2400), and then flows out from another valve core flow channel opening of the valve core cavity (1200).

3. A multi-way valve according to claim 2, characterized in that: The second valve cover (6000) has pipe opening No. 1, pipe opening No. 2, pipe opening No. 3, pipe opening No. 4, pipe opening No. 5, pipe opening No. 6, pipe opening No. 8, pipe opening a, and pipe opening b, wherein pipe opening No. 1, pipe opening No. 2, pipe opening No. 3, and pipe opening No. 4 are all connected to the interior of the first valve core (2200), and pipe opening No. 5, pipe opening No. 6, pipe opening No. 8, pipe opening a, and pipe opening b are all connected to the interior of the second valve core (2400).

4. A multi-way valve according to claim 3, characterized in that It also includes multiple working modes, wherein in the first working mode, the No. 1 pipe port and the No. 2 pipe port are connected to the interior of the first inner cavity (2240) of the first valve core, and the No. 3 pipe port and the No. 4 pipe port are connected to the interior of the second inner cavity (2260) of the first valve core, the No. 5 pipe port and the No. 6 pipe port are connected to the interior of the second inner cavity (2440) of the second valve core, the No. 8 pipe port and the No. a pipe port are connected to the interior of the third inner cavity (2450) of the second valve core, and the No. b pipe port is connected to the interior of the second valve core interval cavity (2460); in the second working mode, the No. 1 pipe port and the No. 2 pipe port are connected to the interior of the first inner cavity (2240) of the first valve core, and the No. 3 pipe port and the No. 4 pipe port are connected to the interior of the second inner cavity (2260) of the first valve core In the third working mode, the pipe ports No. 1 and No. 2 are connected to the first inner cavity (2240) of the first valve core, the pipe ports No. 3 and No. 4 are connected to the second inner cavity (2260) of the first valve core, the pipe ports No. 6 and No. 8 are connected to the third inner cavity (2450) of the second valve core, the pipe ports No. 5 and No. b are connected to the second inner cavity (2440) of the second valve core, and the pipe ports A and B are connected to the third inner cavity (2450) of the second valve core; in the third working mode, the pipe ports No. 1 and No. 2 are connected to the first inner cavity (2240) of the first valve core, the pipe ports No. 3 and No. 4 are connected to the second inner cavity (2260) of the first valve core, the pipe ports No. 6 and No. 8 are connected to the third inner cavity (2450) of the second valve core, the pipe ports No. 5 and No. b are connected to the second inner cavity (2440) of the second valve core, and the pipe ports A and B are connected to the second inner cavity (2460) of the second valve core. The interior of the valve core is connected; in the fourth working mode, the No. 1 pipe port and the No. 3 pipe port are connected to the interior of the second inner cavity (2260) of the first valve core, and the No. 2 pipe port and the No. 4 pipe port are connected to the interior of the first inner cavity (2240) of the first valve core, the No. 6 pipe port and the No. 8 pipe port are connected to the interior of the first inner cavity (2430) of the second valve core, the No. 5 pipe port and the a pipe port are connected to the interior of the second valve core interval cavity (2460), and the b pipe port is connected to the interior of the third inner cavity (2450) of the second valve core; in the fifth working mode, the No. 1 pipe port and the No. 3 pipe port are connected to the interior of the second inner cavity (2260) of the first valve core, and the No. 2 pipe port and the No. 4 pipe port are connected to the interior of the first inner cavity (2240) of the first valve core, the No. 6 pipe port and the No. 8 pipe port are connected to the interior of the first inner cavity (2430) of the second valve core, the No. 5 pipe port and the a pipe port are connected to the interior of the second valve core interval cavity (2460), and the b pipe port is connected to the interior of the third inner cavity (2450) of the second valve core. The pipe port No. 1 and the pipe port No. 8 are connected to the interior of the third inner cavity (2450) of the second valve core, the pipe port No. 5 and the pipe port B are connected to the interior of the second inner cavity (2440) of the second valve core, and the pipe port A is connected to the interior of the second valve core interval cavity (2460); in the sixth working mode, the pipe port No. 1 and the pipe port No. 2 are connected to the interior of the first inner cavity (2240) of the first valve core, and the pipe port No. 3 and the pipe port No. 4 are connected to the interior of the second inner cavity (2260) of the first valve core, the pipe port No. 5 and the pipe port No. 6 are connected to the interior of the first inner cavity (2430) of the second valve core, the pipe port No. 8 and the pipe port B are connected to the interior of the second valve core interval cavity (2460), and the pipe port A is connected to the interior of the second inner cavity (2440) of the second valve core.

5. A multi-way valve according to claim 1 or 2 or 3 or 4, characterized in that: The first valve core (2200) includes a first valve core shaft (5000) located in the center, a first valve core shaft cavity (2280) formed around the first valve core shaft (5000) and spaced apart from the first inner cavity (2240) of the first valve core and the second inner cavity (2260) of the first valve core, a first valve core shaft cavity wall (2282) surrounding the first valve core shaft cavity (2280), a first valve core cavity connecting wall (2242) separating the first inner cavity (2240) of the first valve core and the second inner cavity (2260) of the first valve core, and a second valve core cavity connecting wall (2262) separating the first inner cavity (2240) of the first valve core and the second inner cavity (2260) of the first valve core.

6. A multi-way valve according to claim 5, characterized in that: The second valve core (2400) includes a first radial section (2432) extending radially and limiting one side of the first inner cavity (2430) of the second valve core, a second radial section (2436) extending radially and limiting the other side of the first inner cavity (2430) of the second valve core, a first connecting section (2434) connecting the first radial section (2432) and the second radial section (2436), a third radial section (2442) extending radially and limiting one side of the second inner cavity (2440) of the second valve core, and a third radial section (2442) extending radially and limiting the other side of the second inner cavity (2440) of the second valve core and limiting the third inner cavity (2440) of the second valve core. 50), a fourth radial segment (2444) on one side of the second valve core, a fifth radial segment (2452) extending radially and limiting the other side of the third inner cavity (2450) of the second valve core, and a second connecting segment (2446) connecting the third radial segment (2442), the fourth radial segment (2444), and the fifth radial segment (2452), wherein the first radial segment (2432), the second radial segment (2436), the first connecting segment (2434), the third radial segment (2442), the fifth radial segment (2452), and the second connecting segment (2446) jointly define the second valve core spacing cavity (2460).

7. A multi-way valve according to claim 5, characterized in that It also includes a first seal (7200) arranged between the first valve core (2200) and the first valve cover (3000), a second seal (7400) arranged between the second valve core (2400) and one side of the second valve cover (6000), and a third seal (7600) arranged on the other side of the second valve cover (6000).

8. A multi-way valve according to claim 5, characterized in that: The valve core assembly (2000) includes a second valve core shaft (5200) which is coaxial with the first valve core shaft (5000) and drives the second valve core (2400) to rotate.

9. A multi-way valve according to claim 5, characterized in that: The valve body (1000) comprises a valve core cavity annular wall (1220) formed around the valve core cavity (1200), a valve body annular wall (1400) located outside the valve core cavity annular wall (1220), a plurality of valve body connecting parts (1320) located between the valve core cavity annular wall (1220) and the valve body annular wall (1400) and radially connected, and a valve core cavity end wall (1600) located at one end of the valve core cavity annular wall (1220) and adjacent to the first valve cover (3000). 00), wherein the valve core cavity end wall (1600) includes a valve core cavity end wall center portion (1620), a valve core cavity end wall outer ring portion (1640) located outside the valve core cavity end wall center portion (1620), a plurality of valve core cavity end wall connecting portions (1660) radially connecting the valve core cavity end wall center portion (1620) and the valve core cavity end wall outer ring portion (1640), and a valve core cavity end wall opening portion (1680) located between two adjacent valve core cavity end wall connecting portions (1660).

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