CN216158359U

CN216158359U - Multi-way valve

Info

Publication number: CN216158359U
Application number: CN202122004811.7U
Authority: CN
Inventors: 周小伟; 沙海建; 王傅钢; 王俊杰
Original assignee: Dunan Automotive Thermal Management Technology Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-04-01
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a multi-way valve. The multi-way valve includes: the valve seat is provided with a valve cavity and a plurality of valve ports, and each valve port is communicated with the valve cavity; the valve core is rotatably arranged in the valve cavity and comprises a plurality of channels, and two ends of at least one channel are respectively communicated with the two valve ports; wherein, a plurality of valve ports are arranged at intervals around the rotating shaft of the valve core; the number of the valve ports is 2n, and n is more than or equal to 2. The utility model effectively solves the problem that the control valve in the prior art has complex control on a plurality of flow paths.

Description

Multi-way valve

Technical Field

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

Background

In the field of fluid control technology, a plurality of flow paths are generally controlled by a plurality of control valves for a device to be controlled having a plurality of flow paths, and each control valve controls a flow path corresponding to the control valve to be in a flow state or a flow-blocked state.

However, the above arrangement not only increases the control difficulty of the fluid system for the control valve, but also increases the overall cost of the fluid system.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a multi-way valve to solve the problem that a control valve in the prior art is complex in control of a plurality of flow paths.

In order to achieve the above object, the present invention provides a multi-way valve comprising: the valve seat is provided with a valve cavity and a plurality of valve ports, and each valve port is communicated with the valve cavity; the valve core is rotatably arranged in the valve cavity and comprises a plurality of channels, and two ends of at least one channel are respectively communicated with the two valve ports; wherein, a plurality of valve ports are arranged at intervals around the rotating shaft of the valve core; the number of the valve ports is 2n, and n is more than or equal to 2.

By applying the technical scheme of the utility model, the valve seat is provided with a plurality of valve ports, the valve core is rotatably arranged in the valve cavity of the valve seat, two ends of at least one channel are respectively communicated with the two valve ports, and the plurality of valve ports are arranged at intervals around the rotating shaft of the valve core. Thus, in the operation process of the multi-way valve, the valve core can control the on-off states of the plurality of valve ports, and further control the plurality of flow paths.

Like this, need use a plurality of control valves to control a plurality of flow paths among the prior art and compare, the control valve in this application can control a plurality of flow paths simultaneously to reduce the use quantity of control valve, and then solved among the prior art the control valve comparatively complicated problem of control to a plurality of flow paths, reduced fluid system's the control degree of difficulty and reduced system's manufacturing cost.

Furthermore, two ends of each channel are respectively communicated with the two valve ports; the number of the channels is n, and n is more than or equal to 2. The communication mode of the channel is easier and simpler through the arrangement, the processing cost of the channel is reduced, and the overall processing cost of the multi-way valve is further reduced.

Further, the valve seat further comprises: a valve seat body having a plurality of flow holes; the annular plate is arranged on the valve seat body, a plurality of valve ports are arranged on the annular plate, and each valve port extends along the radial direction of the annular plate; the plurality of circulation parts are arranged on the valve seat body, each circulation part and the annular plate surround to form a circulation cavity, the plurality of circulation cavities are arranged in one-to-one correspondence with the plurality of circulation holes, and the plurality of circulation cavities are arranged in one-to-one correspondence with the plurality of valve ports; wherein, each valve port is communicated with the circulation hole through the circulation cavity corresponding to the valve port. The structure of the valve seat is simpler, the valve seat is easy to process and realize, the valve core is ensured to rotate relative to the valve seat, and the operation reliability of the multi-way valve is improved.

Further, the center axis of the annular plate is disposed coaxially with the rotational axis of the spool. In the rotation process of the valve core, the distance between the annular plate and the valve core is ensured to be consistent everywhere by the arrangement, and the influence on the operation reliability of the multi-way valve caused by the movement interference between the valve core and the annular plate is further avoided. Wherein, 8 valve ports set up along the circumference interval of annular plate.

Further, each flow passage includes: the two first vertical plates are oppositely arranged and are arranged on the valve seat body; the second vertical plate is arranged on the valve seat body and is positioned between the two first vertical plates; the arc-shaped plates are erected on the two first vertical plates and the second vertical plate; the first end of each first vertical plate is connected with the second vertical plate, and the second end of each first vertical plate extends to the annular plate and is connected with the annular plate. The arrangement ensures that the circulation cavity is the sector cavity, on one hand, the area of the circulation cavity is increased, and the circulation efficiency of the multi-way valve is improved; on the other hand, the structure of the circulating part is simpler, the processing and the realization are easy, and the processing cost of the multi-way valve is reduced.

Further, the multi-way valve further comprises: the sealing structure is arranged between the valve core and the annular plate and is used for sealing the joint of the valve core and the annular plate; wherein, the sealing structure is provided with a plurality of communicating holes, and each channel is communicated with the valve port through the communicating holes. The sealing structure is used for sealing between the annular plate and the valve core so as to prevent fluid from leaking out of the valve port. Optionally, the sealing structure is annular or arc-shaped, and a central axis of the sealing structure is coaxial with a central axis of the valve core.

Further, the plurality of passages includes a first passage, and the spool further includes: a first plate body; the second plate body is arranged opposite to the first plate body; the third plate body is arranged between the first plate body and the second plate body and is connected with the first plate body and the second plate body; the third plate body, part of the first plate body and part of the second plate body surround to form a first channel; the first plate body and the second plate body are both circular plates, the third plate body comprises a fourth plate section, a fifth plate section and a sixth plate section which are sequentially connected, the fourth plate section and the sixth plate section both extend along the radial direction of the circular plates, and a first included angle A is formed between the fourth plate section and the sixth plate section; and two ends of the fifth plate section are respectively connected with the fourth plate section and the sixth plate section. An installation space is formed between the first plate body and the second plate body, and the third plate body is arranged in the installation space, so that the third plate body, part of the first plate body and part of the second plate body surround to form a first channel. Two ends of the first channel can be respectively communicated with the two valve ports. Meanwhile, the third plate body can surround the first channel, so that the structure of the third plate body is simpler, the third plate body is easy to process and realize, and the processing cost of the third plate body is reduced.

Further, the plurality of passages also includes a second passage, and the spool also includes: the fourth plate body is arranged between the first plate body and the second plate body and connected with the first plate body and the second plate body, and the fourth plate body and the fifth plate section are arranged at intervals; a second channel is formed among the fourth plate body, part of the first plate body, part of the second plate body and the third plate body in a surrounding manner; the fourth plate body and the fifth plate section are arranged in parallel; and/or, the fourth plate body passes through the central axis of the second plate body. The fourth plate body is arranged in the mounting space, so that a second channel is formed among the fourth plate body, part of the first plate body, part of the second plate body and the third plate body in a surrounding mode. Two ends of the second channel can be respectively communicated with the two valve ports. Simultaneously, the setting of the fourth plate body is more flexible by the arrangement, so that different use requirements and working conditions are met.

Further, the plurality of passages further includes a third passage, and the spool further includes: the fifth plate body is arranged between the first plate body and the second plate body and is connected with the first plate body and the second plate body, and one end of the fifth plate body is connected with the fourth plate body and forms a second included angle B with the fourth plate body; the sixth plate body is arranged between the first plate body and the second plate body and is connected with the first plate body and the second plate body, the sixth plate body extends along the radial direction of the circular plate and is connected with the other end of the fifth plate body, and a third included angle C is formed between the sixth plate body and the fourth plate body; and a third channel is formed among part of the fourth plate body, part of the fifth plate body, at least part of the sixth plate body, part of the first plate body and part of the second plate body in a surrounding manner. The fifth plate body and the sixth plate body are arranged in the mounting space, so that a third channel is formed among part of the fourth plate body, part of the fifth plate body, at least part of the sixth plate body, part of the first plate body and part of the second plate body in a surrounding mode. Two ends of the third channel can be respectively communicated with the two valve ports.

Further, the plurality of passages also includes a fourth passage, and the spool also includes: the seventh plate body is arranged between the first plate body and the second plate body and is connected with the first plate body and the second plate body, two ends of the seventh plate body are respectively connected with the fourth plate body and the sixth plate body, and a fourth included angle D is formed between the seventh plate body and the fourth plate body; a fourth channel is formed by surrounding a part of the fourth plate body, a part of the seventh plate body, at least a part of the sixth plate body, a part of the first plate body and a part of the second plate body; the fifth plate segment has a first distance L with the central axis of the circular plate₁A second distance L is formed between the central axes of the fifth plate body and the circular plate₂A third distance L is arranged between the central axes of the seventh plate body and the circular plate₃(ii) a Wherein L is₁＝L₂＝L₃. The seventh plate body is arranged in the mounting space, so that a fourth channel is formed among part of the fourth plate body, the seventh plate body, at least part of the sixth plate body, part of the first plate body and part of the second plate body. Two ends of the fourth channel can be respectively communicated with the two valve ports. Meanwhile, the arrangement ensures that the flow rates of the first channel, the second channel, the third channel and the fourth channel are consistent, so as to ensure that the fluid discharged from the first flow through hole and the second flow through hole is consistent and uniform.

Further, the plurality of passages further includes a fifth passage and a sixth passage, and the spool further includes: the eighth plate body is arranged between the first plate body and the second plate body and is connected with the first plate body and the second plate body, the eighth plate body, the partial first plate body and the partial second plate body surround to form a fifth channel, and the eighth plate body, the fourth plate body, the partial first plate body and the partial second plate body surround to form a sixth channel. The eighth plate body is arranged in the installation space, so that the eighth plate body, part of the first plate body and part of the second plate body surround to form a fifth channel, and the eighth plate body, the fourth plate body, part of the first plate body and part of the second plate body surround to form a sixth channel. Two ends of the fifth channel can be respectively communicated with the two valve ports and also can be respectively communicated with the valve ports and the communication port. Two ends of the sixth channel can be respectively communicated with the two valve ports.

Further, the eighth plate body includes: a seventh plate segment extending in a radial direction of the circular plate; an eighth plate segment; and the ninth plate section extends along the radial direction of the circular plate and is arranged at a fifth included angle E with the seventh plate section, and two ends of the eighth plate section are respectively connected with the seventh plate section and the ninth plate section. Above-mentioned setting ensures that the eighth plate body can be around forming fifth passageway and sixth passageway, also makes the structure of eighth plate body simpler, and easy processing, realization have reduced the processing cost of eighth plate body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a perspective view of a first embodiment of a multi-way valve according to the utility model;

FIG. 2 shows a perspective cross-sectional view of the multi-way valve of FIG. 1;

FIG. 3 is a schematic perspective view of a valve cartridge of the multi-way valve of FIG. 1;

FIG. 4 shows a perspective cut-away view F-F of the valve cartridge of FIG. 3;

FIG. 5 shows a top view of the valve cartridge of FIG. 4;

FIG. 6 illustrates a bottom view of the multi-way valve of FIG. 1 in a first mode of operation;

FIG. 7 illustrates a bottom view of the multi-way valve of FIG. 1 in a second mode of operation;

FIG. 8 illustrates a bottom view of the multi-way valve of FIG. 1 in a third mode of operation;

FIG. 9 illustrates a bottom view of the multi-way valve of FIG. 1 in a fourth mode of operation;

FIG. 10 illustrates a bottom view of the multi-way valve of FIG. 1 in a fifth mode of operation;

FIG. 11 illustrates a bottom view of the multi-way valve of FIG. 1 in a sixth mode of operation;

FIG. 12 illustrates a bottom view of the multi-way valve of FIG. 1 in a seventh mode of operation;

FIG. 13 illustrates a bottom view of the multi-way valve of FIG. 1 in an eighth mode of operation;

FIG. 14 shows a top view of a valve cartridge of a first embodiment of a multi-way valve according to the utility model;

FIG. 15 is a perspective view of a valve cartridge of a second embodiment of the multi-way valve according to the present invention; and

fig. 16 shows a top view of the valve cartridge of fig. 15.

Wherein the figures include the following reference numerals:

10. a valve seat; 11. a valve cavity; 12. a valve port; 14. a valve seat body; 141. a flow-through hole; 1411. a first sub-via; 1412. a second sub-via; 1413. a third sub-via; 1414. a fourth sub-via; 1415. a fifth sub-via; 1416. a sixth sub-via; 1417. a seventh sub-via; 1418. an eighth sub-via; 15. an annular plate; 18. a circulation section; 181. a first vertical plate; 182. a second vertical plate; 183. an arc-shaped plate; 20. a valve core; 21. a channel; 211. a first channel; 2111. a first sub-channel; 2112. a second sub-channel; 212. a second channel; 2121. a third sub-channel; 2122. a fourth sub-channel; 213. a third channel; 2131. a fifth sub-channel; 2132. a sixth sub-channel; 214. a fourth channel; 2141. a seventh sub-channel; 2142. an eighth sub-channel; 215. a fifth channel; 216. a sixth channel; 22. a first plate body; 23. a second plate body; 24. a third plate body; 241. a fourth plate segment; 242. a fifth plate segment; 243. a sixth plate segment; 25. a fourth plate body; 26. a fifth plate body; 27. a sixth plate body; 28. a seventh plate body; 29. an eighth plate body; 291. a seventh plate segment; 292. an eighth plate segment; 293. a ninth plate segment; 40. a valve cover; 50. a sealing structure; 51. a communicating hole; 70. a ninth plate body; 71. a tenth plate section; 72. an eleventh plate segment; 73. a twelfth plate section; 74. a seventh channel; 75. and an eighth channel.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the control of a plurality of flow paths is more complicated by a multi-way valve in the prior art, the application provides a multi-way valve.

Example one

As shown in fig. 1 to 13, the multi-way valve includes a valve seat 10 and a valve element 20. The valve seat 10 has a valve chamber 11 and a plurality of valve ports 12, each valve port 12 communicating with the valve chamber 11. The valve core 20 is rotatably disposed in the valve chamber 11, the valve core 20 includes a plurality of passages 21, and both ends of at least one passage 21 are respectively communicated with the two valve ports 12. Wherein the plurality of ports 12 are arranged at intervals around the rotational axis of the valve element 20. The number of the valve ports 12 is 2n, and n is more than or equal to 2.

By applying the technical solution of the present embodiment, the valve seat 10 has a plurality of valve ports 12, the valve core 20 is rotatably disposed in the valve cavity 11 of the valve seat 10, two ends of at least one channel 21 are respectively communicated with the two valve ports 12, and the plurality of valve ports 12 are disposed at intervals around the rotation axis of the valve core 20. In this way, during the operation of the multi-way valve, the valve body 20 can control the open/close states of the plurality of ports 12, and further, can control the plurality of flow paths.

Therefore, compared with the prior art that a plurality of multi-way valves are required to be used for controlling a plurality of flow paths, the multi-way valve in the embodiment can simultaneously control the plurality of flow paths so as to reduce the using number of the multi-way valves, further solve the problem that the multi-way valves in the prior art control the plurality of flow paths more complicatedly, and reduce the control difficulty of a fluid system and the manufacturing cost of the system.

In this embodiment, n is 4, and the multi-way valve is an eight-way valve.

It should be noted that the value of n is not limited to this, and may be adjusted according to the working condition and the use requirement. Optionally, n is 3, or 5, or 6, or 7, or 8.

Alternatively, both ends of each passage 21 communicate with two valve ports 12, respectively. The number of the channels 21 is n, and n is more than or equal to 2. Therefore, the communication mode of the channel 21 is easier and simpler due to the arrangement, the processing cost of the channel 21 is reduced, and the overall processing cost of the multi-way valve is further reduced.

Optionally, the valve seat 10 further comprises a valve seat body 14, an annular plate 15, and a plurality of flow-through portions 18. The valve seat body 14 has a plurality of flow holes 141. The annular plate 15 is disposed on the valve seat body 14, and a plurality of valve ports 12 are disposed on the annular plate 15, and each valve port 12 extends in the radial direction of the annular plate 15. The plurality of flow portions 18 are provided in the valve seat body 14, and each flow portion 18 and the annular plate 15 surround to form a flow chamber, the plurality of flow chambers are provided in one-to-one correspondence with the plurality of flow holes 141, and the plurality of flow chambers are provided in one-to-one correspondence with the plurality of valve ports 12. Wherein, each valve port 12 is communicated with the circulation hole 141 through the circulation chamber corresponding to the valve port. As shown in fig. 1 to 13, the number of the flow portions 18 is 8, the number of the valve ports 12 is 8, 8 flow chambers are provided in one-to-one correspondence with the 8 flow holes 141, and 8 flow chambers are provided in one-to-one correspondence with the 8 valve ports 12. Thus, the valve seat 10 is simpler in structure and easy to process and implement, the valve core 20 can be ensured to rotate relative to the valve seat 10, and the operation reliability of the multi-way valve is improved.

Specifically, the 8 flow holes 141 include a first sub-through hole 1411, a second sub-through hole 1412, a third sub-through hole 1413, a fourth sub-through hole 1414, a sixth sub-through hole 1416, a seventh sub-through hole 1417, and an eighth sub-through hole 1418. The number of the valve ports 12 is 8.

In this embodiment, the multi-way valve further comprises a drive means. The driving device is in driving connection with the valve core 20 to drive the valve core 20 to rotate around the central axis thereof, and the plurality of valve ports 12 are arranged at intervals around the central axis of the valve core 20. In this way, the driving device is in driving connection with the valve core 20 to drive the valve core 20 to rotate, and further control the mutual communication among the plurality of valve ports 12, so as to realize the intelligent control of the multi-way valve.

In the present embodiment, the center axis of the annular plate 15 is disposed coaxially with the rotation axis of the spool 20. Thus, during the rotation of the valve core 20, the arrangement ensures that the distance between the annular plate 15 and the valve core 20 is consistent everywhere, and further avoids the operation reliability of the multi-way valve from being influenced by the motion interference between the valve core 20 and the annular plate 15. Wherein, 8 valve ports 12 are arranged along the circumferential direction of the annular plate 15 at intervals.

As shown in fig. 1 and 2, each flow passage 18 includes a first vertical plate 181, a second vertical plate 182, and an arc-shaped plate 183, which are provided to face each other. Two oppositely arranged first risers 181 are arranged on the valve seat body 14. The second vertical plate 182 is disposed on the valve seat body 14 and located between the two first vertical plates 181. The arc plate 183 is erected on the two first vertical plates 181 and the second vertical plate 182. Wherein, the first end of each first vertical plate 181 is connected with the second vertical plate 182, and the second end of each first vertical plate 181 extends to the annular plate 15 and is connected with the annular plate 15. Therefore, the circulation cavity is a fan-shaped cavity, so that the area of the circulation cavity is increased, and the circulation efficiency of the multi-way valve is improved; on the other hand, the structure of the circulating part 18 is simpler, the processing and the realization are easy, and the processing cost of the multi-way valve is reduced.

In the present embodiment, the flow holes 141 are fan-shaped holes. Therefore, on one hand, the area of the flow hole 141 is increased, and the flow efficiency of the multi-way valve is improved; on the other hand, the structure of the flow hole 141 is simpler, the processing and the realization are easy, and the processing cost of the multi-way valve is reduced.

As shown in fig. 1, the multi-way valve further includes a sealing structure 50. A seal structure 50 is provided between the valve spool 20 and the annular plate 15 for sealing the junction of the valve spool 20 and the annular plate 15. Wherein the seal structure 50 has a plurality of communication holes 51, and each passage 21 communicates with the valve port 12 through the communication hole 51. In this way, the seal structure 50 serves to seal between the annular plate 15 and the valve element 20 to prevent fluid from leaking out of the valve port 12. Alternatively, the seal structure 50 has an annular or arc shape, and a central axis of the seal structure 50 is disposed coaxially with a central axis of the valve core 20.

In the present embodiment, the number of the communication holes 51 is seven, the seven communication holes 51 are provided in one-to-one correspondence with the seven valve ports 12, and the seven communication holes 51 are provided at intervals around the central axis of the seal structure 50.

The number of the communication holes 51 is not limited to this, and can be adjusted according to the working condition and the use requirement. Alternatively, the communication holes 51 are eight, or six, or five, or four, or more.

As shown in fig. 3 to 5, the plurality of passages 21 includes a first passage 211, and the valve body 20 further includes a first plate 22, a second plate 23, and a third plate 24. The second plate 23 is disposed opposite to the first plate 22. The third plate body 24 is disposed between the first plate body 22 and the second plate body 23 and connected to both the first plate body 22 and the second plate body 23. The third plate 24, a portion of the first plate 22 and a portion of the second plate 23 surround to form a first channel 211. The first plate body 22 and the second plate body 23 are circular plates, the third plate body 24 includes a fourth plate segment 241, a fifth plate segment 242, and a sixth plate segment 243, which are sequentially connected, the fourth plate segment 241 and the sixth plate segment 243 both extend along the radial direction of the circular plates, and a first included angle a is formed between the fourth plate segment 241 and the sixth plate segment 243. The fifth plate segment 242 is connected at both ends thereof to the fourth plate segment 241 and the sixth plate segment 243, respectively. In this way, an installation space is formed between the first plate 22 and the second plate 23, and the third plate 24 is disposed in the installation space, so that the third plate 24, a part of the first plate 22 and a part of the second plate 23 surround to form the first channel 211. Both ends of the first passage 211 may communicate with the two valve ports 12, respectively. Meanwhile, the arrangement ensures that the third plate body 24 can surround the first channel 211, so that the structure of the third plate body 24 is simpler, the third plate body is easy to process and implement, and the processing cost of the third plate body 24 is reduced.

Optionally, the first included angle a satisfies:

wherein the number of channels 21 is n. In this embodiment, n is four, and the first included angle a is 90 °.

As shown in fig. 3 to 5, the plurality of passages 21 further includes a second passage 212, and the valve spool 20 further includes a fourth plate body 25. The fourth plate body 25 is arranged between the first plate body 22 and the second plate body 23 and connected with both the first plate body 22 and the second plate body 23, and the fourth plate body 25 and the fifth plate section 242 are arranged at intervals; a second channel 212 is formed around the fourth plate 25, a part of the first plate 22, a part of the second plate 23, and the third plate 24. Wherein, the fourth plate 25 and the fifth plate 242 are parallel to each other; and/or the fourth plate 25 passes through the central axis of the second plate 23. In this way, the fourth plate 25 is disposed in the installation space, so that the second channel 212 is formed between the fourth plate 25, a part of the first plate 22, a part of the second plate 23, and the third plate 24. Both ends of the second channel 212 may communicate with two valve ports 12, respectively. Meanwhile, the fourth plate body 25 is more flexibly arranged due to the arrangement, so that different use requirements and working conditions can be met.

In the present embodiment, the fourth plate 25 and the fifth plate 242 are disposed parallel to each other.

As shown in fig. 1, the plurality of passages 21 further includes a third passage 213, and the spool 20 further includes a fifth plate 26 and a sixth plate 27. The fifth plate 26 is disposed between the first plate 22 and the second plate 23 and is connected to both the first plate 22 and the second plate 23, and one end of the fifth plate 26 is connected to the fourth plate 25 and is disposed at a second included angle B with the fourth plate 25. The sixth plate body 27 is disposed between the first plate body 22 and the second plate body 23 and is connected to both the first plate body 22 and the second plate body 23, the sixth plate body 27 extends along the radial direction of the circular plate and is connected to the other end of the fifth plate body 26, and a third included angle C is formed between the sixth plate body 27 and the fourth plate body 25. A third channel 213 is formed around a portion of the fourth plate 25, a portion of the fifth plate 26, at least a portion of the sixth plate 27, a portion of the first plate 22, and a portion of the second plate 23. In this way, the fifth plate 26 and the sixth plate 27 are disposed in the installation space, so that a third channel 213 is formed around a portion of the fourth plate 25, the fifth plate 26, at least a portion of the sixth plate 27, a portion of the first plate 22, and a portion of the second plate 23. Both ends of the third channel 213 may communicate with the two ports 12, respectively.

Optionally, the second included angle B satisfies:

the third included angle C satisfies:

the number of channels 21 is n. In the present embodiment, the second angle B is 45 °, and the third angle C is 90 °.

As shown in fig. 3-5, the plurality of passages 21 further includes a fourth passage 214, and the valve spool 20 further includes a seventh plate 28. The seventh plate body 28 is disposed between the first plate body 22 and the second plate body 23 and is connected to both the first plate body 22 and the second plate body 23, two ends of the seventh plate body 28 are connected to the fourth plate body 25 and the sixth plate body 27, respectively, and a fourth included angle D is formed between the seventh plate body 28 and the fourth plate body 25. A fourth channel 214 is formed by surrounding a part of the fourth plate 25, a part of the seventh plate 28, at least a part of the sixth plate 27, a part of the first plate 22, and a part of the second plate 23. The fifth plate segment 242 has a first distance L from the central axis of the circular plate₁The fifth plate 26 has a second distance L from the central axis of the circular plate₂A third distance L is formed between the seventh plate 28 and the central axis of the circular plate₃. Wherein L is₁＝L₂＝L₃. Thus, the seventh plate 28 is disposed in the installation space, so that a fourth channel 214 is formed by surrounding among a part of the fourth plate 25, the seventh plate 28, at least a part of the sixth plate 27, a part of the first plate 22, and a part of the second plate 23. Both ends of the fourth channel 214 can respectively communicate with two valve ports 12. Meanwhile, the above arrangement makes the flow rates of the first, second, third and

fourth passages

211, 212, 213 and 214 uniform to ensure the flows discharged from the first and second flow through holes 141 and 142The body is consistent and uniform.

Specifically, the spool 20 is rotated at a gradient of 45 ° to realize 8 flow patterns at the first flow through hole 141.

As shown in fig. 3 to 5, the first channel 211 includes a first sub-channel 2111 and a second sub-channel 2112, the second channel 212 includes a third sub-channel 2121 and a fourth sub-channel 2122, the third channel 213 includes a fifth sub-channel 2131 and a sixth sub-channel 2132, and the fourth channel 214 includes a seventh sub-channel 2141 and an eighth sub-channel 2142.

As shown in FIG. 6, the multi-way valve is in the first mode of operation with the first sub-port 1411 in communication with the second sub-port 1412, the third sub-port 1413 in communication with the fourth sub-port 1414, the sixth sub-port 1416 in communication with the seventh sub-port 1417, and the eighth sub-port 1418 in communication with the fifth sub-port 1415. The first sub through hole 1411 is communicated with the eighth sub channel 2142, the second sub through hole 1412 is communicated with the seventh sub channel 2141, the third sub through hole 1413 is communicated with the sixth sub channel 2132, the fourth sub through hole 1414 is communicated with the fifth sub channel 2131, the sixth sub through hole 1416 is communicated with the first sub channel 2111, the seventh sub through hole 1417 is communicated with the second sub channel 2112, the eighth sub through hole 1418 is communicated with the fourth sub channel 2122, and the third sub channel 2121 is communicated with the fifth sub through hole 1415.

Specifically, when the valve spool 20 is rotated 45 ° clockwise, the multi-way valve is in the position shown in fig. 7 (the multi-way valve is in the second operation mode), the first sub through hole 1411 and the sixth sub through hole 1416 communicate, the second sub through hole 1412 and the third sub through hole 1413 communicate, the seventh sub through hole 1417 and the eighth sub through hole 1418 communicate, and the fourth sub through hole 1414 and the fifth sub through hole 1415 communicate. The first sub through hole 1411 is communicated with the fourth sub channel 2122, the second sub through hole 1412 is communicated with the eighth sub channel 2142, the third sub through hole 1413 is communicated with the seventh sub channel 2141, the fourth sub through hole 1414 is communicated with the sixth sub channel 2132, the sixth sub through hole 1416 is communicated with the third sub channel 2121, the seventh sub through hole 1417 is communicated with the first sub channel 2111, the eighth sub through hole 1418 is communicated with the second sub channel 2112, and the fifth sub channel 2131 is communicated with the fifth sub through hole 1415.

Specifically, when the valve spool 20 is rotated 90 ° clockwise, the multi-way valve is in the position shown in fig. 8 (the multi-way valve is in the third operation mode), the second sub through hole 1412 communicates with the seventh sub through hole 1417, the third sub through hole 1413 communicates with the fourth sub through hole 1414, the first sub through hole 1411 communicates with the eighth sub through hole 1418, and the sixth sub through hole 1416 communicates with the fifth sub through hole 1415. The first sub through hole 1411 is communicated with the second sub-channel 2112, the second sub through hole 1412 is communicated with the fourth sub-channel 2122, the third sub through hole 1413 is communicated with the eighth sub-channel 2142, the fourth sub through hole 1414 is communicated with the seventh sub-channel 2141, the sixth sub through hole 1416 is communicated with the fifth sub-channel 2131, the seventh sub through hole 1417 is communicated with the third sub-channel 2121, the eighth sub through hole 1418 is communicated with the first sub-channel 2111, and the fifth sub through hole 1415 is communicated with the sixth sub-channel 2132.

Specifically, when the spool 20 is rotated 135 ° clockwise, the multi-way valve is in the position shown in fig. 9 (the multi-way valve is in the fourth operation mode), the first sub through hole 1411 communicates with the second sub through hole 1412, the third sub through hole 1413 communicates with the eighth sub through hole 1418, the sixth sub through hole 1416 communicates with the seventh sub through hole 1417, and the fourth sub through hole 1414 communicates with the fifth sub through hole 1415. The first sub through hole 1411 is communicated with the first sub-channel 2111, the second sub through hole 1412 is communicated with the second sub-channel 2112, the third sub through hole 1413 is communicated with the fourth sub-channel 2122, the fourth sub through hole 1414 is communicated with the eighth sub-channel 2142, the sixth sub through hole 1416 is communicated with the sixth sub-channel 2132, the seventh sub through hole 1417 is communicated with the fifth sub-channel 2131, the eighth sub through hole 1418 is communicated with the third sub-channel 2121, and the fifth sub through hole 1415 is communicated with the seventh sub-channel 2141.

Specifically, when the valve spool 20 is rotated 180 ° clockwise, the multi-way valve is in the position shown in fig. 10 (the multi-way valve is in the fifth operation mode), the second sub through hole 1412 communicates with the third sub through hole 1413, the first sub through hole 1411 communicates with the fourth sub through hole 1414, the seventh sub through hole 1417 communicates with the eighth sub through hole 1418, and the sixth sub through hole 1416 communicates with the fifth sub through hole 1415. The first sub through hole 1411 is communicated with the third sub-channel 2121, the second sub through hole 1412 is communicated with the first sub-channel 2111, the third sub through hole 1413 is communicated with the second sub-channel 2112, the fourth sub through hole 1414 is communicated with the fourth sub-channel 2122, the sixth sub through hole 1416 is communicated with the seventh sub-channel 2141, the seventh sub through hole 1417 is communicated with the sixth sub-channel 2132, the eighth sub through hole 1418 is communicated with the fifth sub-channel 2131, and the fifth sub through hole 1415 is communicated with the eighth sub-channel 2142.

Specifically, when the spool 20 is rotated clockwise by 225 °, the multi-way valve is in the position shown in fig. 11 (the multi-way valve is in the sixth operation mode), the fourth sub through hole 1414 communicates with the third sub through hole 1413, the first sub through hole 1411 communicates with the eighth sub through hole 1418, the sixth sub through hole 1416 communicates with the seventh sub through hole 1417, and the second sub through hole 1412 communicates with the fifth sub through hole 1415. The first sub through hole 1411 is communicated with the fifth sub-channel 2131, the second sub through hole 1412 is communicated with the third sub-channel 2121, the third sub through hole 1413 is communicated with the first sub-channel 2111, the fourth sub through hole 1414 is communicated with the second sub-channel 2112, the sixth sub through hole 1416 is communicated with the eighth sub-channel 2142, the seventh sub through hole 1417 is communicated with the seventh sub-channel 2141, the eighth sub through hole 1418 is communicated with the sixth sub-channel 2132, and the fifth sub through hole 1415 is communicated with the fourth sub-channel 2122.

Specifically, when the spool 20 is rotated 270 ° clockwise, the multi-way valve is in the position shown in fig. 12 (the multi-way valve is in the seventh operating mode), the second sub through hole 1412 communicates with the first sub through hole 1411, the eighth sub through hole 1418 communicates with the seventh sub through hole 1417, the sixth sub through hole 1416 communicates with the third sub through hole 1413, and the fourth sub through hole 1414 communicates with the fifth sub through hole 1415. The first sub through hole 1411 is communicated with the sixth sub channel 2132, the second sub through hole 1412 is communicated with the fifth sub channel 2131, the third sub through hole 1413 is communicated with the third sub channel 2121, the fourth sub through hole 1414 is communicated with the first sub channel 2111, the sixth sub through hole 1416 is communicated with the fourth sub channel 2122, the seventh sub through hole 1417 is communicated with the eighth sub channel 2142, the eighth sub through hole 1418 is communicated with the seventh sub channel 2141, and the fifth sub through hole 1415 is communicated with the second sub channel 2112.

Specifically, when the valve spool 20 is rotated 310 ° clockwise, the multi-way valve is in the position shown in fig. 13 (the multi-way valve is in the eighth operating mode), the second sub through hole 1412 communicates with the third sub through hole 1413, the fourth sub through hole 1414 communicates with the seventh sub through hole 1417, the first sub through hole 1411 communicates with the eighth sub through hole 1418, and the sixth sub through hole 1416 communicates with the fifth sub through hole 1415. The first sub through hole 1411 is communicated with the seventh sub channel 2141, the second sub through hole 1412 is communicated with the sixth sub channel 2132, the third sub through hole 1413 is communicated with the fifth sub channel 2131, the fourth sub through hole 1414 is communicated with the third sub channel 2121, the sixth sub through hole 1416 is communicated with the second sub channel 2112, the seventh sub through hole 1417 is communicated with the fourth sub channel 2122, the eighth sub through hole 1418 is communicated with the eighth sub channel 2142, and the fifth sub through hole 1415 is communicated with the first sub channel 2111.

As shown in fig. 1, the multi-way valve further includes a valve cover 40, and the valve cover 40 is disposed on the valve seat 10 for protecting the valve core 20.

Example two

The multi-way valve in the second embodiment is different from the multi-way valve in the first embodiment in that:

as shown in fig. 14, the plurality of passages 21 further includes a fifth passage 215 and a sixth passage 216, and the spool 20 further includes an eighth plate body 29. The eighth plate 29 is disposed between the first plate 22 and the second plate 23 and connected to both the first plate 22 and the second plate 23, the eighth plate 29, a portion of the first plate 22 and a portion of the second plate 23 surround to form a fifth channel 215, and the eighth plate 29, the fourth plate 25, a portion of the first plate 22 and a portion of the second plate 23 surround to form a sixth channel 216. Thus, the eighth plate 29 is disposed in the installation space such that the eighth plate 29, a portion of the first plate 22 and a portion of the second plate 23 surround to form the fifth passage 215, and the eighth plate 29, the fourth plate 25, a portion of the first plate 22 and a portion of the second plate 23 surround to form the sixth passage 216. Both ends of the fifth channel 215 can be respectively communicated with two valve ports 12, and both ends of the sixth channel 216 can be respectively communicated with two valve ports 12.

As shown in fig. 14, eighth plate 29 includes seventh plate 291, eighth plate 292, and ninth plate 293. The seventh plate segment 291 extends in the radial direction of the circular plate. The ninth plate segment 293 extends along the radial direction of the circular plate and forms a fifth included angle E with the seventh plate segment 291, and two ends of the eighth plate segment 292 are connected to the seventh plate segment 291 and the ninth plate segment 293 respectively. In this way, the above arrangement ensures that the eighth plate 29 can surround and form the fifth channel 215 and the sixth channel 216, which also makes the structure of the eighth plate 29 simpler, and is easy to process and implement, and reduces the processing cost of the eighth plate 29.

Optionally, the fifth angle E satisfies:

the number of channels 21 is n. In this embodiment, n is four, and the fifth included angle E is 90 °.

EXAMPLE III

The multi-way valve in the third embodiment is different from the first embodiment in that: the valve core 20 is different in structure.

As shown in fig. 15 and 16, the plurality of passages 21 further include a seventh passage 74 and an eighth passage 75, the valve core 20 further includes a ninth plate 70, the ninth plate 70 is disposed between the first plate 22 and the second plate 23 and is connected to both the first plate 22 and the second plate 23, the seventh passage 74 is formed by the ninth plate 70, a portion of the first plate 22, a portion of the second plate 23, and the third plate 24 being surrounded, and the eighth passage 75 is formed by the ninth plate 70, a portion of the first plate 22, and a portion of the second plate 23 being surrounded. Thus, the ninth plate 70 is disposed in the installation space, and both ends of the seventh passage 74 may communicate with the two first ports 12, respectively. Both ends of the eighth passage 75 may communicate with the two first ports 12, respectively.

As shown in fig. 16, the ninth plate 70 includes a tenth plate section 71, an eleventh plate section 72, and a twelfth plate section 73. Wherein the tenth plate section 71 extends in the radial direction of the circular plate. The twelfth plate segment 73 extends along the radial direction of the circular plate and is arranged at a preset included angle with the tenth plate segment 71. Both ends of the eleventh plate section 72 are connected with the tenth plate section 71 and the twelfth plate section 73, respectively. In this way, the above arrangement ensures that the eighth channel 75 can be formed by the ninth plate 70, so that the structure of the ninth plate 70 is simpler, the ninth plate is easy to process and implement, and the processing cost of the ninth plate 70 is reduced.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the valve seat is provided with a plurality of valve ports, the valve core is rotatably arranged in the valve cavity of the valve seat, two ends of at least one channel are respectively communicated with the two valve ports, and the valve ports are arranged at intervals around the rotating shaft of the valve core. Thus, in the operation process of the multi-way valve, the valve core can control the on-off states of the plurality of valve ports, and further control the plurality of flow paths.

Like this, need use a plurality of multi-ported valves to control a plurality of flow paths among the prior art and compare, the multi-ported valve in this application can control a plurality of flow paths simultaneously to reduce the use quantity of multi-ported valve, and then solved among the prior art the multi-ported valve to the comparatively complicated problem of control of a plurality of flow paths, reduced fluid system's the control degree of difficulty and reduced system's manufacturing cost.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-way valve, comprising:

the valve seat (10) is provided with a valve cavity (11) and a plurality of valve ports (12), and each valve port (12) is communicated with the valve cavity (11);

the valve core (20) is rotatably arranged in the valve cavity (11), the valve core (20) comprises a plurality of channels (21), and two ends of at least one channel (21) are respectively communicated with the two valve ports (12);

wherein a plurality of valve ports (12) are arranged at intervals around the rotating shaft of the valve core (20); the number of the valve ports (12) is 2n, and n is more than or equal to 2.

2. The multi-way valve according to claim 1, wherein both ends of each channel (21) are respectively communicated with two valve ports (12); the number of the channels (21) is n, and n is more than or equal to 2.

3. The multi-way valve according to claim 1, wherein the valve seat (10) further comprises:

a valve seat body (14) having a plurality of flow holes (141);

the annular plate (15) is arranged on the valve seat body (14), a plurality of valve ports (12) are arranged on the annular plate (15), and each valve port (12) extends along the radial direction of the annular plate (15);

a plurality of flow parts (18) arranged on the valve seat body (14), wherein each flow part (18) and the annular plate (15) surround to form a flow cavity, the flow cavities are arranged in one-to-one correspondence with the flow holes (141), and the flow cavities are arranged in one-to-one correspondence with the valve ports (12); wherein each valve port (12) is communicated with the circulation hole (141) through the circulation cavity corresponding to the valve port.

4. A multi-way valve according to claim 3, characterized in that the central axis of the annular plate (15) is arranged coaxially to the axis of rotation of the valve spool (20).

5. A multi-way valve according to claim 3, wherein each said flow-through portion (18) comprises:

the two first vertical plates (181) are arranged oppositely and arranged on the valve seat body (14);

the second vertical plate (182) is arranged on the valve seat body (14) and is positioned between the two first vertical plates (181);

the arc-shaped plates (183) are erected on the two first vertical plates (181) and the second vertical plate (182);

the first end of each first vertical plate (181) is connected with the second vertical plate (182), and the second end of each first vertical plate (181) extends onto the annular plate (15) and is connected with the annular plate (15).

6. The multi-way valve of claim 3, further comprising:

a sealing structure (50), wherein the sealing structure (50) is arranged between the valve core (20) and the annular plate (15) and is used for sealing the joint of the valve core (20) and the annular plate (15); wherein the seal structure (50) has a plurality of communication holes (51), and each of the passages (21) communicates with the valve port (12) through the communication hole (51).

7. The multi-way valve of claim 1, wherein the plurality of channels (21) includes a first channel (211), the spool (20) further comprising:

a first plate (22);

a second plate (23) arranged opposite to the first plate (22);

a third plate body (24) arranged between the first plate body (22) and the second plate body (23) and connected with both the first plate body (22) and the second plate body (23); the third plate body (24), a part of the first plate body (22) and a part of the second plate body (23) surround to form the first channel (211);

the first plate body (22) and the second plate body (23) are both circular plates, the third plate body (24) comprises a fourth plate section (241), a fifth plate section (242) and a sixth plate section (243) which are sequentially connected, the fourth plate section (241) and the sixth plate section (243) both extend along the radial direction of the circular plates, and a first included angle A is formed between the fourth plate section (241) and the sixth plate section (243); the two ends of the fifth plate segment (242) are respectively connected with the fourth plate segment (241) and the sixth plate segment (243).

8. The multi-way valve of claim 7, wherein the plurality of channels (21) further comprises a second channel (212), the spool (20) further comprising:

a fourth plate body (25) arranged between the first plate body (22) and the second plate body (23) and connected with both the first plate body (22) and the second plate body (23), wherein the fourth plate body (25) and the fifth plate section (242) are arranged at intervals; the fourth plate body (25), a part of the first plate body (22), a part of the second plate body (23) and the third plate body (24) are surrounded to form the second channel (212);

wherein the fourth plate body (25) and the fifth plate section (242) are arranged in parallel with each other; and/or the fourth plate body (25) passes through the central axis of the second plate body (23).

9. The multi-way valve of claim 8, wherein the plurality of passages (21) further includes a third passage (213), the spool (20) further comprising:

the fifth plate body (26) is arranged between the first plate body (22) and the second plate body (23) and is connected with the first plate body (22) and the second plate body (23), and one end of the fifth plate body (26) is connected with the fourth plate body (25) and is arranged with the fourth plate body (25) in a second included angle B;

the sixth plate body (27) is arranged between the first plate body (22) and the second plate body (23) and is connected with the first plate body (22) and the second plate body (23), the sixth plate body (27) extends along the radial direction of the circular plate and is connected with the other end of the fifth plate body (26), and a third included angle C is formed between the sixth plate body (27) and the fourth plate body (25);

wherein a third channel (213) is formed by surrounding among a part of the fourth plate body (25), a part of the fifth plate body (26), at least a part of the sixth plate body (27), a part of the first plate body (22) and a part of the second plate body (23).

10. The multi-way valve of claim 9, wherein the plurality of channels (21) further comprises a fourth channel (214), the spool (20) further comprising:

the seventh plate body (28) is arranged between the first plate body (22) and the second plate body (23) and is connected with the first plate body (22) and the second plate body (23), two ends of the seventh plate body (28) are respectively connected with the fourth plate body (25) and the sixth plate body (27), and a fourth included angle D is formed between the seventh plate body (28) and the fourth plate body (25);

wherein a part of the fourth plate body (25), a part of the seventh plate body (28), at least a part of the sixth plate body (27), a part of the first plate body (22) and a part of the second plate body (23) are surrounded to form the fourth channel (214); the fifth plate segment (242) has a first distance L from the central axis of the circular plate₁A second distance L is arranged between the fifth plate body (26) and the central axis of the circular plate₂A third distance L is arranged between the seventh plate body (28) and the central axis of the circular plate₃(ii) a Wherein L is₁＝L₂＝L₃。

11. The multi-way valve of claim 8, wherein the plurality of channels (21) further includes a fifth channel (215) and a sixth channel (216), the spool (20) further comprising:

eighth plate body (29), set up first plate body (22) with between second plate body (23) and with first plate body (22) with second plate body (23) all are connected, eighth plate body (29), part first plate body (22) and part second plate body (23) are around forming fifth passageway (215), eighth plate body (29) fourth plate body (25), part first plate body (22) and part second plate body (23) are around forming sixth passageway (216).

12. The multi-way valve according to claim 11, wherein the eighth plate (29) comprises:

a seventh plate segment (291) extending in a radial direction of the circular plate;

an eighth plate segment (292);

and the ninth plate segment (293) extends along the radial direction of the circular plate and forms a fifth included angle E with the seventh plate segment (291), and two ends of the eighth plate segment (292) are respectively connected with the seventh plate segment (291) and the ninth plate segment (293).