CN217583348U - Multi-way valve - Google Patents

Abstract

The utility model discloses a multi-way valve, including the case, the case is cylindric and rotatable locates in the valve body, the case is by last first layer fluid channel that is equipped with in proper order under to, second layer fluid channel, third layer fluid channel and fourth layer fluid channel, first layer fluid channel, second layer fluid channel, be formed with a plurality of runner districts and a plurality of runner district size the same that supply the fluid circulation in third layer fluid channel and the fourth layer fluid channel, first layer fluid channel has two adjacent runner districts to communicate with each other respectively with fourth layer fluid channel at least, and have two runner districts to separate each other at least, second layer fluid channel has two adjacent runner districts to communicate with each other respectively with third layer fluid channel, be equipped with on the valve body with the sprue mouth of first layer fluid channel, second layer fluid channel, third layer fluid channel and fourth layer fluid channel intercommunication. The utility model discloses a technique aim at controls a plurality of valves, and the cost is reduced, the space of arranging has been saved.

Description

Multi-way valve

Technical Field

The utility model relates to a fluidic device technical field, concretely relates to multi-ported valve.

Background

With the improvement of the technology and the improvement of the control system, the control requirement on the fluid circuit is higher and higher, the functions of equipment with the fluid circuit are more and more complete, and the control system relates to various equipment devices such as vehicles, new energy vehicles and the like, in particular to energy exchange control of new energy vehicles, such as temperature control of passenger compartments, air conditioning systems, power batteries, electronic control systems and the like.

At present, a control pipeline system of a new energy automobile is more complex, in order to realize various control and operation modes of the whole automobile, a plurality of valves for controlling the flow direction of fluid are involved in a fluid loop, so that the automobile machine system is complex, large in size, heavier in weight and not superior in manufacturing cost, and a technical scheme for saving arrangement space and reducing manufacturing cost is needed to meet the market demand.

Disclosure of Invention

To prior art not enough, the utility model aims to provide a multi-way valve has simple structure, practices thrift the cost, sparingly arranges advantages such as space, and the valve of having solved a plurality of control fluid flow directions leads to the car machine system complicated, and is bulky, and weight is also heavier, makes the problem that the cost of manufacture also has the advantage.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:

a multi-way valve comprises a valve core, wherein the valve core is cylindrical and rotatably arranged in a valve body, a first layer of fluid channel, a second layer of fluid channel, a third layer of fluid channel and a fourth layer of fluid channel are sequentially arranged on the valve core from top to bottom, a plurality of flow channel areas for fluid circulation are formed in the first layer of fluid channel, the second layer of fluid channel, the third layer of fluid channel and the fourth layer of fluid channel, the sizes of the flow channel areas are the same, at least two adjacent flow channel areas of the first layer of fluid channel and the fourth layer of fluid channel are communicated with each other, at least two flow channel areas of the second layer of fluid channel and the third layer of fluid channel are separated from each other, at least two adjacent flow channel areas of the second layer of fluid channel and the third layer of fluid channel are communicated with each other, and a flow channel opening communicated with the first layer of fluid channel, the second layer of fluid channel, the third layer of fluid channel and the fourth layer of fluid channel is arranged on the valve body.

In the above technical solution, the valve core is driven by a driving device, and the driving device may be in various forms, including but not limited to a motor; the flow channel area is preferably set to be a sector area, the flow channel area and the flow channel area are separated by a partition plate, the flow channel areas are the same or similar in size, and fluid flows in/out from the radial direction of the valve core in the flow channel area; the first layer fluid channel and the fourth layer fluid channel are respectively provided with at least two adjacent flow channel areas which are communicated with each other and at least two flow channel areas which are separated from each other, so that a plurality of structures which need to control the flow of fluid can be formed, and the fluid channels can be rotated to different positions according to different needs, so that the set fluid channels are communicated or disconnected through the connection/separation structures of the flow channel areas; the second layer fluid channel and the third layer fluid channel are respectively provided with at least two adjacent flow channel areas which are communicated with each other, and when the communicated flow channel areas rotate to the positions of the fluid flow channel openings on the valve body, the corresponding fluid flow channel openings are connected.

Furthermore, at least two flow channel areas between two adjacent layers of fluid channels are communicated with each other up and down.

In the technical scheme, at least two flow channel areas between two adjacent layers of fluid channels are communicated up and down, so that the control of medium flow on or off between the upper flow channel opening and the lower flow channel opening can be realized.

Furthermore, the flow channel area between two adjacent first-layer fluid channels which are not communicated with each other is communicated with the flow channel area between the second-layer fluid channels positioned at the lower part of the first-layer fluid channels, the flow channel area between the two adjacent second-layer fluid channels which are not communicated with each other is communicated with the flow channel area between the third-layer fluid channels positioned at the lower part of the second-layer fluid channels, and the flow channel area between the two adjacent third-layer fluid channels which are not communicated with each other is communicated with the flow channel area between the fourth-layer fluid channels positioned at the lower part of the third-layer fluid channels.

Furthermore, a sealing element is arranged between the position of the flow opening of the valve body and the valve core.

Among the above-mentioned technical scheme, can play the sealed between case and the valve body through setting up the sealing member, guarantee that the medium does not reveal, improve sealed effect.

Furthermore, when the valve core rotates to the sealing position, the runner port is just communicated to the corresponding runner area, and the number of the runner ports on the valve body, which are communicated with the first layer fluid channel, the second layer fluid channel, the third layer fluid channel and the fourth layer fluid channel, is two.

In the technical scheme, each runner port is just communicated to a corresponding runner area when the valve core rotates to the sealing position, and the corresponding runner area is the runner area directly communicated with the runner port, so that good sealing can be formed.

Furthermore, the flow channel ports of the first layer of fluid channel are sequentially and adjacently arranged and are arranged right above the second layer of fluid channel, the flow channel ports of the second layer of fluid channel are also sequentially and adjacently arranged and are arranged right above the third layer of fluid channel, and the flow channel ports of the fourth layer of fluid channel are sequentially and adjacently arranged and are arranged right below the third layer of fluid channel.

Each upper flow channel region is positioned right above the lower flow channel region.

Furthermore, the number of the flow channel areas of the first layer of fluid channel, the second layer of fluid channel, the third layer of fluid channel and the fourth layer of fluid channel is 9.

Furthermore, the flow channel openings of the first layer of fluid channel are respectively set as A1 and A2 from left to right, the flow channel openings of the second layer of fluid channel are respectively set as B1 and B2 from left to right, the flow channel openings of the third layer of fluid channel are respectively set as C1 and C2 from left to right, the flow channel openings of the fourth layer of fluid channel are respectively set as D1 and D2 from left to right, the flow channel area on the first layer of fluid channel is sequentially provided with nine flow channel areas of 1-1, 1-2, 1-3, 1-4, 1-5, 1-6, 1-7, 1-8 and 1-9 along the anticlockwise direction, when in the initial position, the flow channel area 1-1 is just positioned at the position where the flow channel openings A1 are communicated, the flow channel areas 1-4 are respectively communicated with 1-5, 1-7 are respectively communicated with 1-8, the flow channel area on the second layer of fluid channel is sequentially provided with nine flow channel areas of 2-1, 2-2, 2-3, 2-4, 2-5, 2-6, 2-7, 2-8 and 2-9 along the anticlockwise direction, the flow channel area 2-1 is just positioned at the position where the flow channel openings B1 are communicated at the initial position, the flow channel area 2-4 is communicated with the flow channel area 2-5, the flow channel area on the third layer of fluid channel is sequentially provided with nine flow channel areas of 3-1, 3-2, 3-3, 3-4, 3-5, 3-6, 3-7, 3-8 and 3-9 along the anticlockwise direction, the flow channel area 3-1 is just positioned at the position where the flow channel openings C1 are communicated at the initial position, the flow channel area 3-5 is communicated with the flow channel area 3-6, and the flow channel area on the fourth layer of fluid channel is sequentially provided with 4-1, 2-2, 2-6, 2-8 and 2-9 along the anticlockwise direction, 4-2, 4-3, 4-4, 4-5, 4-6, 4-7, 4-8 and 4-9, in the initial position, the flow channel region 4-1 is just located at the position where the flow channel opening D1 is communicated, the flow channel regions 4-5 are communicated with 4-6 and 4-8 are communicated with 4-9 respectively, the flow channel regions 1-2 are communicated with 2-2, 1-3 are communicated with 2-3, 1-6 are communicated with 2-6, 1-9 are communicated with 2-9, 2-8 are communicated with 3-8, 3-1 are communicated with 4-1, 3-2 and 4-2, 3-4 is communicated with 4-4, and 3-7 are communicated with 4-7 respectively.

In the technical scheme, when the valve core is located at an initial position, the flow channel area 1-1 is just located at the position where the flow channel openings A1 are communicated, the flow channel area 1-2 is just located at the position where the flow channel openings A2 are communicated, the flow channel area 2-1 is just located at the position where the flow channel openings B1 are communicated, the flow channel area 2-2 is just located at the position where the flow channel openings B2 are communicated, the flow channel area 3-1 is just located at the position where the flow channel openings C1 are communicated, the flow channel area 4-1 is just located at the position where the flow channel openings D1 are communicated, and the flow channel area 4-2 is just located at the position where the flow channel openings D2 are communicated, wherein the flow channel areas 1-2 and 2, 3-1 and 4-1, and 3-2 and 4-2 are respectively communicated, so that the first layer fluid channel is communicated with the second layer fluid channel, and the third layer fluid channel is communicated with the fourth layer fluid channel;

when the valve core rotates 40 degrees clockwise, the flow channel areas 1-2 and 2-2, 1-3 and 2-3, and 3-2 and 4-2 are respectively communicated, so that the flow channel openings A1 and B1, A2 and B2, and C1 and D1 are respectively communicated, and the first layer of fluid channel and the second layer of fluid channel are respectively communicated, and the third layer of fluid channel and the fourth layer of fluid channel are respectively communicated;

when the valve core rotates 120 degrees clockwise, the flow channel areas 1-4 are communicated with 1-5, so that the flow channel ports A1 are communicated with A2, the flow channel areas 2-4 are communicated with 2-5, so that the flow channel ports B1 are communicated with B2, and the flow channel areas 3-4 are communicated with 4-4, so that the flow channel ports C1 are communicated with D1, and the third layer of fluid channel is communicated with the fourth layer of fluid channel;

when the valve core rotates clockwise by 160 degrees, the flow channel areas 3-5 and 3-6, and 4-5 and 4-6 are respectively communicated, so that the flow channel openings C1 and C2, and D1 and D2 are respectively communicated, the flow channel areas 1-6 and 2-6 are communicated, so that the flow channel openings A2 and B2 are communicated, and the first layer of fluid channel is communicated with the second layer of fluid channel;

when the valve core rotates 240 degrees clockwise, the flow channel areas 1-7 and 1-8 enable the flow channel openings A1 to A2 to be communicated, the flow channel areas 2-8 and 3-8, and the flow channel areas 3-7 and 4-7 to be communicated respectively, the flow channel openings B2 to C2, and the flow channel openings C1 to D1 to be communicated respectively, and the second layer of fluid channel and the third layer of fluid channel are communicated respectively, and the third layer of fluid channel and the fourth layer of fluid channel are communicated respectively;

when the valve core rotates by 280 degrees clockwise, the flow channel areas 4-8 and 4-9 are communicated, so that the flow channel openings D1 and D2 are communicated, the flow channel areas 1-9 and 2-9, and 2-8 and 3-8 are respectively communicated, so that the flow channel openings A2 and B2, and B1 and C1 are respectively communicated, and the first layer fluid channel and the second layer fluid channel, and the second layer fluid channel and the third layer fluid channel are respectively communicated.

Compared with the prior art, the utility model provides a multi-way valve possesses following beneficial effect:

the utility model discloses a four laminar flow channels that are equipped with and cooperate a plurality of runner mouths that are equipped with on the valve body, the fluid control demand of structure in order to adapt to different operating modes or equipment that sets up every laminar flow channel in a flexible way has played the effect of controlling every valve, and makes its occupation space significantly reduce to reduce cost lightens weight, has important economic value and technological value.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the valve core of the present invention;

FIG. 3 is a schematic diagram of the first layer of fluid passages in the initial position of the spool;

FIG. 4 is a schematic diagram of the second fluid path in the initial position of the spool;

FIG. 5 is a schematic diagram of the third layer of fluid passages in the initial position of the valve core;

FIG. 6 is a schematic view of a fourth fluid path in the initial position of the valve spool;

FIG. 7 is a schematic diagram of the first layer of fluid passages with the spool rotated 120;

FIG. 8 is a schematic view of the second fluid passage with the spool rotated 120;

FIG. 9 is a schematic diagram of the third layer of fluid passages with the valve spool rotated 160;

fig. 10 is a schematic view of the fourth fluid passage at 160 ° of spool rotation.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a positive importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 10, an embodiment of the present invention provides a multi-way valve, including a valve core 2, where the valve core 2 is cylindrical and rotatably disposed in a valve body 1, the valve core 2 is driven by a driving device, and the driving device may be in various forms, including but not limited to a motor;

the valve core 2 is provided with a first layer fluid channel 01, a second layer fluid channel 02, a third layer fluid channel 03 and a fourth layer fluid channel 04 from top to bottom in sequence, a plurality of flow channel areas for fluid circulation are formed in the first layer fluid channel 01, the second layer fluid channel 02, the third layer fluid channel 03 and the fourth layer fluid channel 04, the sizes of the flow channel areas are the same, at least two adjacent flow channel areas of the first layer fluid channel 01 and the fourth layer fluid channel 04 are communicated with each other respectively, and at least two flow channel areas are separated from each other, so that a structure for controlling the flow of the fluid in majority can be formed, and the valve core can be rotated to different positions according to different requirements, the set fluid channel is communicated or disconnected through a connecting/separating structure of a flow channel area, at least two adjacent flow channel areas of the second layer fluid channel 02 and the third layer fluid channel 03 are communicated with each other, the surfaces of the two adjacent and communicated flow channel areas are in smooth transition, the cross sections of the communicated flow channel areas in the direction vertical to the radius direction of the valve core 2 are in a capsule shape, when the communicated flow channel areas rotate to the position of a fluid flow channel opening 3 on the valve body, the corresponding fluid flow channel openings 3 are connected, the flow channel areas are preferably arranged into sector areas, the flow channel areas and the flow channel areas are separated through a separating plate 5, the flow channel areas are the same or similar in size, and fluid in the flow channel areas flows in/out from the radial direction of the valve core 2;

and the valve body 1 is provided with a runner port 3 communicated with the first layer fluid channel 01, the second layer fluid channel 02, the third layer fluid channel 03 and the fourth layer fluid channel 04.

In this embodiment, at least two of the flow channel regions between two adjacent fluid channels are communicated with each other up and down, so that the control of the flow of the medium between the upper and lower flow channel ports 3 can be performed.

In this embodiment, the flow channel region between two adjacent first layer fluid channels 01 that are not communicated with each other is communicated with the flow channel region between the second layer fluid channels 02 located at the lower portion thereof, the flow channel region between two adjacent second layer fluid channels 02 that are not communicated with each other is communicated with the flow channel region between the third layer fluid channels 03 located at the lower portion thereof, and the flow channel region between two adjacent third layer fluid channels 03 that are not communicated with each other is communicated with the flow channel region between the fourth layer fluid channels 04 located at the lower portion thereof.

In this embodiment, the valve body 1 is further provided with a sealing element 4 between the position of the flow passage opening 3 and the valve element 2, so that sealing between the valve element 2 and the valve body 1 can be achieved, a medium is prevented from leaking, and a sealing effect is improved.

In this embodiment, when the valve element 2 rotates to the sealing position, the runner port 3 is just communicated to a corresponding runner area, and the corresponding runner area is a runner area directly communicated with the runner port 3, so that good sealing can be formed, and the number of the runner ports 3 located on the valve body 1, which are communicated with the first layer fluid channel 01, the second layer fluid channel 02, the third layer fluid channel 03 and the fourth layer fluid channel 04, is two.

In this embodiment, the flow channel ports 3 of the first layer fluid channel 01 are sequentially and adjacently arranged and are arranged right above the second layer fluid channel 02, the flow channel ports 3 of the second layer fluid channel 02 are also sequentially and adjacently arranged and are arranged right above the third layer fluid channel 03, and the flow channel ports 3 of the fourth layer fluid channel 04 are sequentially and adjacently arranged and are arranged right below the third layer fluid channel 03.

Each upper flow channel region is positioned right above the lower flow channel region.

In this embodiment, the number of the flow channel regions of the first layer of fluid channel 01, the second layer of fluid channel 02, the third layer of fluid channel 03 and the fourth layer of fluid channel 04 is 9.

In this embodiment, the flow port 3 of the first layer fluid channel 01 is set as A1 and A2 from left to right, the flow port 3 of the second layer fluid channel 02 is set as B1 and B2 from left to right, the flow port 3 of the third layer fluid channel 03 is set as C1 and C2 from left to right, and the flow port 3 of the fourth layer fluid channel 04 is set as D1 and D2 from left to right;

the flow channel area on the first layer of fluid channel 01 is sequentially provided with nine flow channel areas of 1-1, 1-2, 1-3, 1-4, 1-5, 1-6, 1-7, 1-8 and 1-9 along the anticlockwise direction, when in an initial position, the flow channel area 1-1 is just positioned at the position where the flow channel openings A1 are communicated, and the flow channel areas 1-4 are respectively communicated with 1-5, 1-7 and 1-8;

the flow channel area on the second layer fluid channel 02 is sequentially provided with nine flow channel areas of 2-1, 2-2, 2-3, 2-4, 2-5, 2-6, 2-7, 2-8 and 2-9 along the anticlockwise direction, when the flow channel area is at the initial position, the flow channel area 2-1 is just positioned at the position where the flow channel openings B1 are communicated, and the flow channel area 2-4 is communicated with the flow channel area 2-5;

nine runner areas of 3-1, 3-2, 3-3, 3-4, 3-5, 3-6, 3-7, 3-8 and 3-9 are sequentially arranged in the runner area on the third layer of fluid channel 03 along the anticlockwise direction, in the initial position, the runner area 3-1 is just positioned at the position where the runner port C1 is communicated, and the runner areas 3-5 and 3-6 are communicated;

the flow channel area on the fourth fluid channel 04 is sequentially provided with nine flow channel areas of 4-1, 4-2, 4-3, 4-4, 4-5, 4-6, 4-7, 4-8 and 4-9 along the anticlockwise direction, when in an initial position, the flow channel area 4-1 is just positioned at the position where the flow channel opening D1 is communicated, and the flow channel areas 4-5 and 4-6 are respectively communicated with 4-8 and 4-9;

the flow channel areas 1-2 and 2-2, 1-3 and 2-3, 1-6 and 2-6, 1-9 and 2-9, 2-8 and 3-8, 3-1 and 4-1, 3-2 and 4-2, 3-4 and 4-4, and 3-7 and 4-7 are respectively communicated.

When the valve core 2 is located at an initial position, the flow channel area 1-1 is just located at the position where the flow channel openings A1 are communicated, the flow channel area 1-2 is just located at the position where the flow channel openings A2 are communicated, the flow channel area 2-1 is just located at the position where the flow channel openings B1 are communicated, the flow channel area 3-1 is just located at the position where the flow channel openings C1 are communicated, the flow channel area 3-2 is just located at the position where the flow channel openings C2 are communicated, the flow channel area 4-1 is just located at the position where the flow channel openings D1 are communicated, and the flow channel area 4-2 is just located at the position where the flow channel openings D2 are communicated, wherein the flow channel areas 1-2 and 2-2, 3-1 and 4-1, and 3-2 and 4-2 are respectively communicated, so that the first layer fluid channel 01 is respectively communicated with the second layer fluid channel 02, and the third layer fluid channel 03 is respectively communicated with the fourth layer fluid channel 04;

when the valve core 2 rotates 40 degrees clockwise, the flow channel areas 1-2 and 2-2, 1-3 and 2-3, and 3-2 and 4-2 are respectively communicated, so that the flow channel openings A1 and B1, A2 and B2, and C1 and D1 are respectively communicated, and the first layer fluid channel 01 and the second layer fluid channel 02 are respectively communicated, and the third layer fluid channel 03 and the fourth layer fluid channel 04 are respectively communicated;

when the valve core 2 rotates 120 degrees clockwise, the flow channel areas 1-4 are communicated with 1-5, so that the flow channel ports A1 are communicated with A2, the flow channel areas 2-4 are communicated with 2-5, so that the flow channel ports B1 are communicated with B2, and the flow channel areas 3-4 are communicated with 4-4, so that the flow channel ports C1 are communicated with D1, and the third layer fluid channel 03 is communicated with the fourth layer fluid channel 04;

when the valve core 2 rotates clockwise by 160 degrees, the flow channel areas 3-5 and 3-6, and 4-5 and 4-6 are respectively communicated, so that the flow channel openings C1 and C2, and D1 and D2 are respectively communicated, the flow channel areas 1-6 and 2-6 are communicated, so that the flow channel openings A2 and B2 are communicated, and the communication between the first layer fluid channel 01 and the second layer fluid channel 02 is realized;

when the valve core 2 rotates 240 degrees clockwise, the flow channel areas 1-7 and 1-8 enable the flow channel openings A1 and A2 to be communicated, the flow channel areas 2-8 and 3-8, and the flow channel areas 3-7 and 4-7 to be communicated respectively, the flow channel openings B2 and C2, and the flow channel openings C1 and D1 to be communicated respectively, and the second layer fluid channel 02 and the third layer fluid channel 03, and the third layer fluid channel 03 and the fourth layer fluid channel 04 to be communicated respectively;

when the valve core 2 rotates by 280 degrees clockwise, the flow channel areas 4-8 and 4-9 are communicated, so that the flow channel openings D1 and D2 are communicated, the flow channel areas 1-9 and 2-9, and the flow channel areas 2-8 and 3-8 are respectively communicated, so that the flow channel openings A2 and B2, and the flow channel openings B1 and C1 are respectively communicated, and the first layer of fluid channel 01 and the second layer of fluid channel 02, and the second layer of fluid channel 02 and the third layer of fluid channel 03 are respectively communicated.

In the technical solution of the above embodiment, the number of the flow channel regions between the first layer of fluid channel 01, the second layer of fluid channel 02, the third layer of fluid channel 03 and the fourth layer of fluid channel 04 and the communication condition between the flow channel regions can be set as required, and the communication relationship between the flow channel ports 3 is controlled according to different conditions, so as to control the fluid flow; in the above scheme, the structure of an eight-way valve is exemplified, and more or fewer runner ports 3 can be provided, the eight-way valve can simultaneously adjust the temperature of an air conditioner, a battery, a control system and the like of a new energy vehicle, so that one valve is multipurpose, and in the rotation process of the valve core 2, the rotation angle enables the runner ports 3 to be communicated or blocked, so as to achieve the purpose of control.

The above embodiments are only used to illustrate the technical solution of the present invention, and do not limit the protection scope of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from these embodiments without any inventive step, are within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still make no creative work on the condition of conflict, and make mutual combination, addition and deletion, or other adjustments according to the features in the embodiments of the present invention, thereby obtaining other technical solutions which are different and do not depart from the concept of the present invention, and these technical solutions also belong to the scope to be protected by the present invention.

Claims (8)

1. The multi-way valve is characterized by comprising a valve core (2), wherein the valve core (2) is cylindrical and is rotatably arranged in a valve body (1);

the valve element (2) is sequentially provided with a first layer of fluid channel (01), a second layer of fluid channel (02), a third layer of fluid channel (03) and a fourth layer of fluid channel (04) from top to bottom, a plurality of flow channel areas for fluid circulation are formed in the first layer of fluid channel (01), the second layer of fluid channel (02), the third layer of fluid channel (03) and the fourth layer of fluid channel (04) and are the same in size, at least two adjacent flow channel areas of the first layer of fluid channel (01) and the fourth layer of fluid channel (04) are communicated with each other, at least two adjacent flow channel areas of the first layer of fluid channel (01) and the fourth layer of fluid channel (04) are separated from each other, and at least two adjacent flow channel areas of the second layer of fluid channel (02) and the third layer of fluid channel (03) are communicated with each other;

and the valve body (1) is provided with a runner port (3) communicated with the first layer fluid channel (01), the second layer fluid channel (02), the third layer fluid channel (03) and the fourth layer fluid channel (04).

2. The multi-way valve of claim 1, wherein at least two of the flow passage sections between adjacent layers of fluid passages are in communication with each other above and below.

3. The multiway valve of claim 2, wherein a flow channel area between two adjacent and non-communicated first layer fluid channels (01) is communicated with a flow channel area between second layer fluid channels (02) positioned at the lower part of the first layer fluid channels, a flow channel area between two adjacent and non-communicated second layer fluid channels (02) is communicated with a flow channel area between third layer fluid channels (03) positioned at the lower part of the second layer fluid channels, and a flow channel area between two adjacent and non-communicated third layer fluid channels (03) is communicated with a flow channel area between fourth layer fluid channels (04) positioned at the lower part of the third layer fluid channels.

4. The multi-way valve according to claim 1, characterized in that a seal (4) is also provided between the valve body (1) and the valve element (2) at the location of the flow opening (3).

5. The multi-way valve according to claim 1, characterized in that the flow channel openings (3) are just communicated to a corresponding flow channel area when the valve core (2) rotates to the sealing position, and the number of the flow channel openings (3) which are communicated with the first layer fluid channel (01), the second layer fluid channel (02), the third layer fluid channel (03) and the fourth layer fluid channel (04) and are positioned on the valve body (1) is two.

6. The multi-way valve according to claim 5, wherein the flow channel openings (3) of the first layer of fluid channels (01) are sequentially adjacently arranged and are arranged right above the second layer of fluid channels (02), the flow channel openings (3) of the second layer of fluid channels (02) are also sequentially adjacently arranged and are arranged right above the third layer of fluid channels (03), and the flow channel openings (3) of the fourth layer of fluid channels (04) are sequentially adjacently arranged and are arranged right below the third layer of fluid channels (03).

7. The multi-way valve according to claim 1, wherein the number of flow channel regions of the first layer of fluid channels (01), the second layer of fluid channels (02), the third layer of fluid channels (03) and the fourth layer of fluid channels (04) is 9.

8. The multi-way valve according to claim 7, characterized in that the flow openings (3) of the first layer of fluid channels (01) are respectively set as A1 and A2 from left to right, the flow openings (3) of the second layer of fluid channels (02) are respectively set as B1 and B2 from left to right, the flow openings (3) of the third layer of fluid channels (03) are respectively set as C1 and C2 from left to right, and the flow openings (3) of the fourth layer of fluid channels (04) are respectively set as D1 and D2 from left to right;

the flow channel area on the first layer of fluid channel (01) is sequentially provided with nine flow channel areas of 1-1, 1-2, 1-3, 1-4, 1-5, 1-6, 1-7, 1-8 and 1-9 along the anticlockwise direction, when in an initial position, the flow channel area 1-1 is just positioned at the position where the flow channel openings A1 are communicated, and the flow channel areas 1-4 are respectively communicated with 1-5, 1-7 and 1-8;

the flow channel area on the second layer fluid channel (02) is sequentially provided with nine flow channel areas of 2-1, 2-2, 2-3, 2-4, 2-5, 2-6, 2-7, 2-8 and 2-9 along the anticlockwise direction, when the flow channel area is at the initial position, the flow channel area 2-1 is just positioned at the position where the flow channel openings B1 are communicated, and the flow channel area 2-4 is communicated with the flow channel area 2-5;

the flow channel area on the third layer of fluid channel (03) is sequentially provided with nine flow channel areas of 3-1, 3-2, 3-3, 3-4, 3-5, 3-6, 3-7, 3-8 and 3-9 along the anticlockwise direction, when in an initial position, the flow channel area 3-1 is just positioned at the position where the flow channel openings C1 are communicated, and the flow channel areas 3-5 are communicated with the flow channel areas 3-6;

nine runner areas of 4-1, 4-2, 4-3, 4-4, 4-5, 4-6, 4-7, 4-8 and 4-9 are sequentially arranged in the runner area on the fourth fluid channel (04) along the counterclockwise direction, in the initial position, the runner area 4-1 is just positioned at the position where the runner port D1 is communicated, and the runner areas 4-5 and 4-6 as well as 4-8 and 4-9 are respectively communicated;

the flow channel areas 1-2 and 2-2, 1-3 and 2-3, 1-6 and 2-6, 1-9 and 2-9, 2-8 and 3-8, 3-1 and 4-1, 3-2 and 4-2, 3-4 and 4-4, and 3-7 and 4-7 are respectively communicated.

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