CN117146010A

CN117146010A - Multi-way valve

Info

Publication number: CN117146010A
Application number: CN202311430990.8A
Authority: CN
Inventors: 曹清; 李乾龙
Original assignee: Hilite Automobile Technology Co ltd
Current assignee: Hilite Automobile Technology Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2023-12-01
Anticipated expiration: 2043-10-31
Also published as: CN117146010B

Abstract

The application discloses a multi-way valve, which comprises a valve body, wherein an installation cavity is arranged in the valve body, a plurality of runner cavities are also arranged in the valve body, the runner cavities are positioned on the radial outer side of the installation cavity and are distributed at intervals along the circumferential direction of the installation cavity, a plurality of first runner ports and second runner ports which are respectively communicated with the runner cavities are arranged on the end surface of one end of the axial direction of the valve body, and a third runner port which is respectively communicated with the runner cavities is arranged on the peripheral wall of the installation cavity; the valve core is rotatably arranged in the mounting cavity, the valve core comprises a first core section and a second core section along the axial direction of the valve core, the first core section is arranged on one side, close to the first flow passage, of the second core section, a plurality of first channels which are not communicated with each other are arranged on the first core section, each first channel is communicated with at least two first flow passage ports, a plurality of second channels which are not communicated with each other are arranged on the second core section, and each second channel is communicated with at least two third flow passage ports. The multi-way valve has high space utilization rate, low flow resistance and smaller volume.

Description

Multi-way valve

Technical Field

The application relates to the technical field of valves, in particular to a multi-way valve.

Background

In the related art, in the application of heat management of new energy automobiles, for the application of water valves, designs such as a disc valve and a column valve are mostly used, and the scheme is used for completing switching, merging, splitting and the like of cooling liquid, wherein the space utilization rate of the column valve is low, the multi-way cost is high, the flow resistance of the disc valve is large, and the use requirement cannot be met.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the multi-way valve which has high space utilization rate, low flow resistance and small volume.

The multi-way valve comprises a valve body, wherein an installation cavity is arranged in the valve body, a plurality of flow channel cavities are further arranged in the valve body, the flow channel cavities are positioned on the radial outer side of the installation cavity and are distributed at intervals along the circumferential direction of the installation cavity, a plurality of first flow channel ports and second flow channel ports which are respectively communicated with the flow channel cavities are formed in the end face of one end of the axial direction of the valve body, and third flow channel ports which are respectively communicated with the flow channel cavities are formed in the peripheral wall of the installation cavity; the valve core is rotatably arranged in the mounting cavity, the valve core comprises a first core section and a second core section along the axial direction of the valve core, the first core section is arranged on one side, close to the first flow passage, of the second core section, a plurality of first channels which are not communicated with each other are arranged on the first core section, each first channel is communicated with at least two first flow passages, a plurality of second channels which are not communicated with each other are arranged on the second core section, an opening of each second channel is arranged on the peripheral wall of the second core section, and each second channel is communicated with at least two third flow passages.

According to the multi-way valve provided by the embodiment of the application, the mounting cavity and the plurality of runner cavities are arranged in the valve body, the plurality of first runner ports and the second runner ports which are respectively communicated with the plurality of runner cavities are arranged on the end surface of one axial end of the valve body, the third runner ports which are respectively communicated with the plurality of runner cavities are arranged on the peripheral wall of the mounting cavity, so that the valve core can be rotatably arranged in the mounting cavity, the plurality of first channels which are not communicated with each other are arranged on the first core section of the valve core, each first channel is communicated with at least two first runner ports, the plurality of second channels which are not communicated with each other are arranged on the second core section, each second channel is communicated with at least two third runner ports, the first core section adopts the structural form of a disk valve, and the second core section adopts the structural form of a column valve.

According to some embodiments of the application, a plurality of first sealing gaskets are arranged between the outer peripheral wall of the valve core and the inner peripheral wall of the mounting cavity, the first sealing gaskets are in one-to-one correspondence with the third flow passage ports, and each first sealing gasket is arranged around the corresponding third flow passage port.

In some embodiments of the application, a plurality of the first gaskets are a single piece or a separate piece.

According to some embodiments of the application, a second sealing gasket is arranged between the axial end face of the valve core facing the first flow passage and the inner wall face of the axial end of the installation cavity, and the second sealing gasket is provided with avoidance ports which are opposite to and communicated with the first flow passage.

According to some embodiments of the application, the valve core is a single piece.

According to some embodiments of the application, the first core segment and the second core segment are split pieces, a first protrusion is arranged on an axial end face of the first core segment, which faces the second core segment, a second protrusion is arranged on an axial end face of the second core segment, which faces the first core segment, the first protrusion and the second protrusion are arranged in a circumferential direction of the valve core, and an end face of the first protrusion in the circumferential direction of the valve core is suitable for abutting against an end face of the second protrusion in the circumferential direction of the valve core.

In some embodiments of the present application, a first annular boss is disposed on an axial end face of the first core segment facing the second core segment, a second annular boss is disposed on an axial end face of the second core segment facing the first core segment, the first annular boss is disposed around the second annular boss or the second annular boss is disposed around the first annular boss, and the first protrusion and the second protrusion are located radially outside the first annular boss and the second annular boss.

According to some embodiments of the application, a transmission shaft is provided on an axial end face of the valve core facing the first flow passage or an axial end face of the valve core facing away from the first flow passage, the transmission shaft extending out of the valve body.

According to some embodiments of the application, the valve body comprises: the valve comprises a valve body, a valve seat and a valve seat, wherein the valve body is an integral piece; the valve cover is connected with the valve body and jointly defines the installation cavity, the runner cavity is arranged in the valve body, and the first runner port and the second runner port are arranged on the end face, deviating from the valve cover, of the valve body.

According to some embodiments of the application, a plurality of the first fluid passages are spaced apart along the circumferential direction of the valve body.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

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

FIG. 1 is a perspective view of a multi-way valve according to an embodiment of the present application;

FIG. 2 is another angular perspective view of a multi-way valve according to an embodiment of the present application;

FIG. 3 is a top view of a multi-way valve according to an embodiment of the present application;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a perspective view of a valve body of a multi-way valve according to an embodiment of the present application;

FIG. 6 is a perspective view of a spool of a multi-way valve according to an embodiment of the present application;

FIG. 7 is a perspective view of a second spool section of a spool of a multi-way valve according to an embodiment of the present application;

FIG. 8 is a front view of a second spool section of the spool of the multi-way valve according to the embodiment of the present application;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;

FIG. 10 is a perspective view of a first spool section of a spool of a multi-way valve according to an embodiment of the present application;

FIG. 11 is a front view of a first spool section of a spool of a multi-way valve according to an embodiment of the present application;

FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;

FIG. 13 is another angular perspective view of a first spool section of a spool of a multi-way valve according to an embodiment of the present application;

FIG. 14 is a perspective view of a second gasket of the multi-way valve according to an embodiment of the present application;

fig. 15 is a perspective view of a first gasket of a multi-way valve according to an embodiment of the present application.

Reference numerals:

100. a multi-way valve;

1. a valve body; 11. a mounting cavity; 12. a flow channel cavity; 13. a first fluid port; 14. a second fluid port; 15. a third fluid port; 16. a valve body; 17. a valve cover;

2. a valve core; 21. a first core segment; 211. a first channel; 212. a first protrusion; 213. a first annular boss; 214. a rotating shaft; 22. a second core segment; 221. a second channel; 222. a second protrusion; 223. a second annular boss; 224. a transmission shaft;

3. a first gasket;

4. a second gasket; 41. an inner ring portion; 42. an outer ring portion; 43. a connection part; 44. and an avoidance port.

Detailed Description

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

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

A multi-way valve 100 according to an embodiment of the present application is described below with reference to fig. 1-15.

As shown in fig. 1, 3 and 4, a multi-way valve 100 according to an embodiment of the present application includes a valve body 1 and a valve body 2.

Specifically, as shown in fig. 2, 4 and 5, the outer contour of the valve body 1 is generally cylindrical, the valve body 1 is provided with an installation cavity 11, the cross section of the installation cavity 11 is circular, the valve body 1 is also provided with a plurality of runner cavities 12, the runner cavities 12 are located at the radial outer side of the installation cavity 11 and are distributed at intervals along the circumferential direction of the installation cavity 11, and the runner cavities 12 can extend along the circumferential direction of the valve body 1.

The valve body 1 has a plurality of first flow passage openings 13 and second flow passage openings 14 communicating with the plurality of flow passage chambers 12, respectively, on an end surface of one end in the axial direction, and a third flow passage opening 15 communicating with the plurality of flow passage chambers 12, respectively, on a peripheral wall of the installation chamber 11. It will be appreciated that the number of first fluid passage openings 13 is plural, the number of second fluid passage openings 14 is plural, the plurality of second fluid passage openings 14 are respectively communicated with the plurality of fluid passage cavities 12, the number of third fluid passage openings 15 is plural, the plurality of third fluid passage openings 15 are respectively communicated with the plurality of fluid passage cavities 12, the third fluid passage openings 15 are communicated with the mounting cavity 11 and the fluid passage cavities 12, and the fluid passage cavities 12 are communicated with the second fluid passage openings 14 and the third fluid passage openings 15.

As shown in fig. 4 and 6, the valve core 2 is rotatably disposed in the mounting cavity 11, along the axial direction of the valve core 2, the valve core 2 includes a first core segment 21 and a second core segment 22, the first core segment 21 is disposed on one side of the second core segment 22 near the first channel opening 13, a plurality of first channels 211 which are not communicated with each other are disposed on the first core segment 21, each first channel 211 can be communicated with at least two first channel openings 13, a plurality of second channels 221 which are not communicated with each other are disposed on the second core segment 22, and each second channel 221 can be communicated with at least two third channel openings 15.

It will be appreciated that the opening of the first channel 211 is located on the axial end face of the first core segment 21 facing the first fluid passage opening 13, as shown in fig. 6, facilitating communication of the first channel 211 with the first fluid passage opening 13, and the opening of the second channel 221 is located on the peripheral wall of the second core segment 22, facilitating communication of the second channel 221 with the third fluid passage opening 15.

In the present application, the communication state of the first passage 211 can be changed and the first passage 211 can be made to communicate with the different first fluid passage ports 13 by rotating the spool 2, thereby changing the flow direction of the liquid, while the communication state of the second passage 221 can be changed and the second passage 221 can be made to communicate with the different third fluid passage ports 15, thereby changing the flow direction of the liquid.

In the present application, when the first passage 211 communicates with two first fluid passages 13 at the same time, the fluid may enter one of the first fluid passages 13 from the axial end face of the valve body 1, then enter the first passage 211, and finally flow out from the other first fluid passage 13 communicating with the first passage 211, and the outflow side of the fluid is on the same side as the inflow side of the fluid. When the second channel 221 communicates with the two third channel ports 15, the liquid may flow into the channel chamber 12 from the second channel port 14 communicating with the channel chamber 12 communicating with the third channel port 15, then flow into the second channel 221 through the third channel port 15, finally flow into the corresponding channel chamber 12 from the third channel port 15 communicating with the second channel 221, and then flow out from the corresponding second channel port 14.

The second core section 22 adopts a structure of a column valve, when the liquid in the flow channel cavity 12 flows into the second channel 221 along the radial direction of the valve body 1, the liquid flows into the second channel 221 from the axial end face of the valve core, which is far away from the second flow channel opening, compared with the liquid in the flow channel cavity, which flows into the second channel from the axial end face of the valve core, which is far away from the second flow channel opening, the stroke is shorter, the bending is less, and the flow resistance is smaller. The first core section 21 adopts a structural form of a disc valve, improves the space utilization rate, is beneficial to the arrangement of multiple channels, and has lower cost. In the application, the first core section 21 adopts the structural form of the disc valve, and the second core section 22 adopts the structural form of the column valve, so that the space utilization rate can be improved, the arrangement of multiple channels is facilitated, the flow resistance can be reduced, the complex through-path requirement can be met, and the volume is smaller.

For example, in the example shown in fig. 2, 7 to 9, the flow passage chambers 12 are four spaced apart in the circumferential direction of the valve body 1, the second flow passage ports 14 are four spaced apart in the circumferential direction of the valve body 1, and correspondingly, as shown in fig. 5, the third flow passage ports 15 are four spaced apart in the circumferential direction of the valve body 1, the second passages 221 are two, each of the second passages 221 has two openings on the circumferential wall of the second core section 22, and the four openings are disposed at intervals in the circumferential direction of the second core section 22. Wherein, the four third fluid passage ports 15 are respectively No. 1, no. 2, no. 3 and No. 4 which are sequentially arranged along the circumferential direction of the valve body 1, in one state, each second channel 221 is communicated with two third fluid passage ports 15, one second channel 221 is communicated with No. 1 and No. 2, and the other second channel 221 is communicated with No. 3 and No. 4; the valve core 2 is rotated to another state, wherein one of the second passages 221 communicates with No. 2 and No. 3, and the other second passage 221 communicates with No. 4 and No. 1, whereby the flow direction of the liquid can be changed. Wherein at least one second fluid port 14 may be in a blocked state such that at least one of the plurality of second channels 221 may be blocked from communication when rotated into communication with the third fluid port 15 in communication with the fluid passage chamber 12 in communication with the second fluid port 14.

As another example, in the examples shown in fig. 2, 10 to 13, the first flow passages 13 are eight spaced apart in the circumferential direction of the valve body 1, the first passages 211 are four, each of the first passages 211 has two openings on the axial end face of the first core segment 21, there is one first passage 211 extending from one side of the first core segment 21 to the opposite side of the first core segment 21, that is, the two openings of the first passage 211 are located on the opposite sides of the first core segment 21, and the two openings of the remaining first passages 211 are adjacent and disposed in communication in the circumferential direction of the first core segment 21. Wherein eight first fluid passages 13 are respectively No. 1, no. 2, no. 3, no. 4, no. 5, no. 6, no. 7 and No. 8 along the circumferential direction of the valve body 1, in one of the states, one of the first passages 211 communicates No. 1 and No. 2, one of the first passages 211 communicates No. 3 and No. 8, one of the first passages 211 communicates No. 4 and No. 5, and one of the first passages 211 communicates No. 6 and No. 7; the valve core 2 is rotated to another state, wherein one of the first passages 211 communicates No. 2 and No. 3, one of the first passages 211 communicates No. 4 and No. 1, one of the first passages 211 communicates No. 5 and No. 6, and one of the first passages 211 communicates No. 7 and No. 8, whereby the flow direction of the liquid can be changed. Wherein at least one first fluid passage opening 13 may be in a blocked state such that an opening of at least one of the plurality of first channels 211 may be blocked from conduction when rotated to the first fluid passage opening 13.

According to the multi-way valve 100 of the embodiment of the application, the installation cavity 11 and the plurality of runner cavities 12 are arranged in the valve body 1, the plurality of first runner ports 13 and the second runner ports 14 respectively communicated with the plurality of runner cavities 12 are arranged on the end surface of one axial end of the valve body 1, the third runner ports 15 respectively communicated with the plurality of runner cavities 12 are arranged on the peripheral wall of the installation cavity 11, so that the valve core 2 is rotatably arranged in the installation cavity 11, the plurality of first channels 211 which are not communicated with each other are arranged on the first core section 21 of the valve core 2, each first channel 211 is communicated with at least two first runner ports 13, the plurality of second channels 221 which are not communicated with each other are arranged on the second core section 22, each second channel 221 is communicated with at least two third runner ports 15, the first core section 21 adopts the structural form of a disc valve, the second core section 22 adopts the structural form of a column valve, the space utilization rate can be improved, the arrangement of the multiple channels is facilitated, the flow resistance can be reduced, and the complex through-way requirement can be met, and the volume is small.

In some embodiments of the present application, as shown in fig. 4, 5 and 15, a plurality of first gaskets 3 are provided between the outer peripheral wall of the spool 2 and the inner peripheral wall of the installation chamber 11, the plurality of first gaskets 3 are in one-to-one correspondence with the plurality of third flow passage ports 15, and each first gasket 3 is disposed around a corresponding third flow passage port 15. Thus, when the second channel 221 and the third channel port 15 communicate, sealing between the second channel 221 and the third channel port 15 can be achieved, and the reliability of the operation of the multi-way valve 100 can be improved.

Further, as shown in fig. 5, the third flow passage opening 15 extends in the circumferential direction of the valve body 1, whereby the area of the third flow passage opening 15 can be increased, ensuring the smoothness of the flow of the liquid between the second passage 221 and the flow passage chamber 12. Further, as shown in fig. 5, the third flow passage opening 15 is provided therein with the reinforcing ribs 151, and both ends of the reinforcing ribs 151 are respectively connected to both inner walls of the third flow passage opening 15 opposite to each other in the axial direction of the valve body 1, whereby the structural strength of the valve body 1 at the third flow passage opening 15 can be enhanced.

In some embodiments of the present application, as shown in fig. 9 and 15, the length of the third fluid passage port 15 in the circumferential direction of the valve body 1 is greater than the length of the opening of any one of the second passages 221 in the circumferential direction of the valve body 1, thereby facilitating alignment between the opening of the second passage 221 and the third fluid passage port 15, facilitating communication between the opening of the second passage 221 and the third fluid passage port 15, and ensuring the communication area between the second passage 221 and the fluid passage chamber 12 and smoothness of fluid flow.

In some embodiments of the present application, as shown in fig. 15, the plurality of first gaskets 3 are formed as one piece, thereby facilitating assembly of the first gaskets 3 and improving assembly efficiency. For example, in the example shown in fig. 15, the plurality of first gaskets 3 are sequentially connected in an open loop shape, but the present application is not limited thereto, and the plurality of first gaskets 3 may be directly connected in a loop shape and sleeved outside the second core segment 22.

Of course, the present application is not limited thereto, and the plurality of first gaskets 3 may be a plurality of independent separate members, so that the structure and the processing process of the first gaskets 3 may be simplified, and the production efficiency may be improved.

In some embodiments of the present application, as shown in fig. 4, 6 and 14, a second gasket 4 is provided between an axial end surface of the valve element 2 facing the first flow passage opening 13 and an inner wall surface of the axial end of the installation cavity 11, and a relief opening 44 which is opposite to and communicates with the plurality of first flow passage openings 13 is provided on the second gasket 4. Thus, when the first channel 211 and the first fluid passage opening 13 are communicated, the sealing between the first channel 211 and the first fluid passage opening 13 can be realized, and the reliability of the operation of the multi-way valve 100 can be improved.

In the example shown in fig. 2, the plurality of first fluid passage openings 13 are arranged at intervals in the circumferential direction of the valve body 1, and in conjunction with fig. 14, the second gasket 4 includes an inner ring portion 41, an outer ring portion 42, and a connecting portion 43, the outer ring portion 42 is fitted over the inner ring portion 41 and spaced apart from the inner ring portion 41, the connecting portion 43 is a plurality of spaced apart in the circumferential direction of the inner ring portion 41, one end of the connecting portion 43 is connected to the inner ring portion 41, and the other end of the connecting portion 43 is connected to the outer ring portion 42. The inner ring portion 41 is located radially inward of the plurality of first fluid passage openings 13, the outer ring portion 42 is located radially outward of the plurality of first fluid passage openings 13, the connection portion 43 is located between two adjacent first fluid passage openings 13, and the relief opening 44 is located between two adjacent connection portions 43.

In some embodiments of the application, the valve spool 2 is a single piece. It will be appreciated that the first core segment 21 and the second core segment 22 are formed as a single piece, and that upon rotation of the first core segment 21, the second core segment 22 rotates in synchronism, and that the flow direction of the liquid in the first core segment 21 is regulated by the first channel 211 and the flow direction of the liquid in the second core segment 22 is regulated by the second channel 221. The assembly process between the first core segment 21 and the second core segment 22 can thereby be simplified, and the assembly efficiency can be improved.

Of course, the present application is not limited thereto, and as shown in fig. 6, 7 and 10, the first core segment 21 and the second core segment 22 are separate pieces, the first protrusion 212 is provided on the axial end face of the first core segment 21 facing the second core segment 22, the second protrusion 222 is provided on the axial end face of the second core segment 22 facing the first core segment 21, the first protrusion 212 and the second protrusion 222 are arranged in the circumferential direction of the spool 2, and the end face of the first protrusion 212 in the circumferential direction of the spool 2 is adapted to abut against the end face of the second protrusion 222 in the circumferential direction of the spool 2.

The first core segment 21 and the second core segment 22 can rotate independently within a certain range, the flow direction of the liquid in the first core segment 21 can be adjusted through the first channel 211, and the flow direction of the liquid in the second core segment 22 can be adjusted independently through the second channel 221, so that the multi-way valve 100 can increase the multi-way property of the liquid flow direction, and more requirements can be met.

For example, during adjustment, the first core segment 21 may be rotated forward until the first protrusion 212 and the second protrusion 222 stop, the first core segment 21 may drive the second core segment 22 to continue to rotate forward until the second core segment 22 is adjusted to the desired position, then the first core segment 21 may be rotated in the opposite direction, the first protrusion 212 and the second protrusion 222 may be separated, and the first core segment 21 may be rotated alone until the first core segment 21 is adjusted to the desired position. It is of course also possible that the second core segment 22 rotates the first core segment 21, without limitation.

Of course, the present application is not limited thereto, and other transmission components may be disposed between the first core segment 21 and the second core segment 22, so that the first core segment 21 may rotate alone or may drive the second core segment 22 to rotate.

Further, as shown in fig. 7 and 10, a first annular boss 213 is provided on an axial end face of the first core segment 21 facing the second core segment 22, a second annular boss 223 is provided on an axial end face of the second core segment 22 facing the first core segment 21, the first annular boss 213 is provided around the second annular boss 223 or the second annular boss 223 is provided around the first annular boss 213, and the first protrusion 212 and the second protrusion 222 are located radially outside the first annular boss 213 and the second annular boss 223. The first annular boss 213 and the second annular boss 223 can play a supporting role on the first core section 21 and the second core section 22, so that the first core section 21 and the second core section 22 are prevented from tilting due to the fact that the first bulge 212 is arranged on the first core section 21 and the second bulge 222 is arranged on the second core section 22, and meanwhile, the guiding role can be played on the relative rotation of the first core section 21 and the second core section 22, and the reliability of the relative fixing of the positions between the first core section 21 and the second core section 22 is guaranteed.

For example, in the example shown in fig. 7 and 10, the first annular boss 213 is located radially outward of the second annular boss 223 and spaced apart, the first protrusion 212 and the second protrusion 222 are each located radially outward of the first annular boss 213, the first annular boss 213 and the first protrusion 212 are connected, and the second protrusion 222 and the second annular boss 223 are spaced apart.

In some embodiments of the application, as shown in fig. 1, 4 and 6, a drive shaft 224 is provided on the axial end face of the valve spool 2 facing the first flow passage 13 or the axial end face of the valve spool 2 facing away from the first flow passage 13, the drive shaft 224 protruding out of the valve body 1. It will be appreciated that when the axial end face of the valve core 2 facing the first fluid passage opening 13 is provided with the transmission shaft 224, the transmission shaft 224 is connected to the first core segment 21, the transmission shaft 224 and the first core segment 21 may be an integral piece, and when the axial end face of the valve core 2 facing away from the first fluid passage opening 13 is provided with the transmission shaft 224, the transmission shaft 224 is connected to the second core segment 22, and the transmission shaft 224 and the second core segment 22 may be an integral piece.

Thus, the transmission shaft 224 can be driven to rotate by the external driving mechanism, so that the valve core 2 is driven to rotate, and the flow direction of liquid is regulated.

For example, in the examples shown in fig. 4, 6 and 11, the end face of the second core section 22 facing away from the first core section 21 is provided with a transmission shaft 224, the section of the first core section 21 facing away from the second core section 22 is provided with a rotation shaft 214, the valve body 1 is provided with a rotation hole matched with the rotation shaft 214, and when the first core section 21 and the second core section 22 are separate components, the second core section 22 can drive the first core section 21 to rotate.

In some embodiments of the present application, as shown in fig. 1 and 4, the valve body 1 includes a valve body 16 and a valve cover 17. The valve body 16 is an integral piece, the valve cover 17 is connected with the valve body 16 and jointly defines the installation cavity 11, the flow passage cavity 12 is arranged in the valve body 16, and the first flow passage opening 13 and the second flow passage opening 14 are arranged on the end face of the valve body 16, which is far away from the valve cover 17. This facilitates the assembly of the valve element 2 and also simplifies the assembly process of the multi-way valve 100 to a greater extent.

Further, a sealing gasket can be arranged between the valve body 16 and the valve cover 17, so that the tightness of the valve body 1 is ensured, and the leakage of the valve body 1 is avoided.

In some embodiments of the present application, as shown in fig. 2, a plurality of first fluid passage openings 13 are provided at intervals in the circumferential direction of the valve body 1. Therefore, the arrangement of the plurality of first fluid passages 13 can be more compact and reasonable, the number of the first channels 211 can be relatively increased, the multi-way requirement of the multi-way valve 100 is realized, and the higher requirement is met.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

Claims

1. A multi-way valve, comprising:

the valve comprises a valve body (1), wherein an installation cavity (11) is formed in the valve body (1), a plurality of runner cavities (12) are further formed in the valve body (1), the runner cavities (12) are located on the outer side of the radial direction of the installation cavity (11) and are distributed at intervals along the circumferential direction of the installation cavity (11), a plurality of first runner ports (13) and second runner ports (14) which are respectively communicated with the runner cavities (12) are formed in the end face of one end of the valve body (1) in the axial direction, and third runner ports (15) which are respectively communicated with the runner cavities (12) are formed in the peripheral wall of the installation cavity (11);

the valve core (2), valve core (2) rotationally locate in installing cavity (11), follow the axial direction of valve core (2), valve core (2) include first core section (21) and second core section (22), first core section (21) are located second core section (22) are close to one side of first fluid channel mouth (13), be equipped with a plurality of first passageway (211) that do not communicate each other on first core section (21), every first passageway (211) communicate two at least first fluid channel mouth (13), be equipped with a plurality of second passageway (221) that do not communicate each other on second core section (22), the opening of second passageway (221) is located on the periphery wall of second core section (22), every second passageway (221) communicate two at least third fluid channel mouth (15).

2. The multi-way valve according to claim 1, wherein a plurality of first gaskets (3) are provided between an outer peripheral wall of the valve element (2) and an inner peripheral wall of the installation chamber (11), the plurality of first gaskets (3) being in one-to-one correspondence with the plurality of third flow passage openings (15), each of the first gaskets (3) being disposed around the corresponding third flow passage opening (15).

3. A multiport valve according to claim 2, wherein a plurality of said first gaskets (3) are integral or separate pieces.

4. The multi-way valve according to claim 1, wherein a second gasket (4) is provided between an axial end surface of the valve element (2) facing the first flow passage opening (13) and an inner wall surface of an axial end of the installation cavity (11), and a relief opening which is opposite to and communicates with a plurality of the first flow passage openings (13) is provided on the second gasket (4).

5. A multiport valve according to claim 1, wherein the valve core (2) is a single piece.

6. The multi-way valve according to claim 1, characterized in that the first core segment (21) and the second core segment (22) are separate pieces, a first protrusion (212) is provided on an axial end surface of the first core segment (21) facing the second core segment (22), a second protrusion (222) is provided on an axial end surface of the second core segment (22) facing the first core segment (21), the first protrusion (212) and the second protrusion (222) are arranged in a circumferential direction of the valve core (2), and an end surface of the first protrusion (212) in the circumferential direction of the valve core (2) is adapted to abut against an end surface of an end of the second protrusion (222) in the circumferential direction of the valve core (2).

7. The multi-way valve according to claim 6, characterized in that a first annular boss (213) is provided on an axial end face of the first core segment (21) facing the second core segment (22), a second annular boss (223) is provided on an axial end face of the second core segment (22) facing the first core segment (21), the first annular boss (213) is provided around the second annular boss (223) or the second annular boss (223) is provided around the first annular boss (213), and the first protrusion (212) and the second protrusion (222) are located radially outside the first annular boss (213) and the second annular boss (223).

8. The multiway valve according to claim 1, characterized in that a drive shaft (224) is provided on an axial end face of the valve spool (2) facing the first flow opening (13) or an axial end face of the valve spool (2) facing away from the first flow opening (13), the drive shaft (224) protruding out of the valve body (1).

9. The multiway valve according to claim 1, wherein the valve body (1) comprises:

a valve body (16), the valve body (16) being a unitary piece;

valve gap (17), valve gap (17) with valve body (16) are connected and are limited jointly installation cavity (11), runner chamber (12) are located in valve body (16), first runner mouth (13) with second runner mouth (14) are located on valve body (16) deviate from on the terminal surface of valve gap (17).

10. A multiport valve according to claim 1, wherein a plurality of said first flow ports (13) are arranged at intervals in a circumferential direction of said valve body (1).