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CN-116146751-B - Control valve

CN116146751BCN 116146751 BCN116146751 BCN 116146751BCN-116146751-B

Abstract

The invention provides a control valve. The control valve comprises a valve seat, a first valve core, a second valve core and a second valve core, wherein the valve seat is provided with a first valve cavity, a second valve cavity, a communication port, a plurality of first valve ports and a plurality of second valve ports, the first valve cavity is communicated with the plurality of first valve ports, the second valve cavity is communicated with the plurality of second valve ports, the first valve cavity is communicated with the second valve cavity through the communication port, the first valve core is movably arranged in the first valve cavity and comprises a plurality of channels, two ends of at least one channel are respectively communicated with two first valve ports, at least one first valve port is communicated with the communication port through the channels, the second valve core is movably arranged in the second valve cavity, and the communication part is used for controlling the communication quantity of the second valve ports and the communication port. The invention effectively solves the problem that the control valve in the prior art is complex in controlling a plurality of flow paths.

Inventors

  • ZHOU XIAOWEI
  • SHA HAIJIAN
  • WANG FUGANG
  • WANG JUNJIE

Assignees

  • 浙江三花汽车零部件有限公司

Dates

Publication Date
20260505
Application Date
20210524

Claims (17)

  1. 1. A control valve, comprising: A valve seat (10) having a first valve chamber (11), a second valve chamber (17), a communication port (16), a plurality of first valve ports (12) and a plurality of second valve ports (13), wherein the first valve chamber (11) is communicated with the plurality of first valve ports (12), the second valve chamber (17) is communicated with the plurality of second valve ports (13), and the first valve chamber (11) is communicated with the second valve chamber (17) through the communication port (16); A first valve core (20) movably arranged in the first valve cavity (11), wherein the first valve core (20) comprises a plurality of channels (21), two ends of at least one channel (21) are respectively communicated with two first valve ports (12), and at least one first valve port (12) is communicated with the communication port (16) through the channel (21); a second valve element (30) movably arranged in the second valve cavity (17), wherein the second valve element (30) comprises a communication part (31), and the communication part (31) is used for controlling the communication quantity of the second valve port (13) and the communication port (16); The valve seat (10) comprises a shroud (15), the shroud (15) comprising: The first enclosing plate section (151), wherein the first enclosing plate section (151) is an arc-shaped plate section, and the first valve port (12) is arranged on the side wall of the arc-shaped plate section; the first transition plate section (152) and the second transition plate section (153) are oppositely arranged, two sides of the arc-shaped plate section are respectively connected with the first transition plate section (152) and the second transition plate section (153), and the communication port (16) is formed between the first transition plate section (152) and the second transition plate section (153); and the second surrounding plate section surrounds the second valve cavity (17).
  2. 2. The control valve according to claim 1, characterized in that the control valve further comprises: The first driving device is in driving connection with the first valve core (20) to drive the first valve core (20) to rotate around the central axis of the first valve core, a plurality of first valve ports (12) are arranged at intervals around the central axis of the first valve core (20), and/or, And the second driving device is in driving connection with the second valve core (30) so as to drive the second valve core (30) to rotate around the central axis of the second valve core (30), and a plurality of second valve ports (13) are arranged at intervals around the central axis of the second valve core (30).
  3. 3. A control valve according to claim 2, characterized in that the centre axis of the first valve port (12) and the centre axis of the second valve port (13) are arranged parallel to each other.
  4. 4. The control valve of claim 2, wherein the valve seat (10) further comprises a valve seat body (14), the valve seat body (14) having a plurality of first flow holes (141) and a plurality of second flow holes (142); The valve seat comprises a valve seat body (14), a valve seat cover (15) and a plurality of first valve ports (141) and a plurality of second valve ports (142), wherein the valve cover (15) is arranged on the valve seat body and is positioned on the inner side of the first valve ports (141) and the second valve ports (13), the valve cover (15) is arranged on the valve seat cover, the first valve ports (141) and the second valve ports (12) are arranged in one-to-one correspondence, and the second valve ports (142) and the second valve ports (13) are arranged in one-to-one correspondence.
  5. 5. The control valve of claim 4, wherein the first flow bore (141) is a scalloped bore.
  6. 6. The control valve according to claim 1, characterized in that the control valve further comprises: The first sealing structure (50) is arranged between the first enclosing plate section (151) and the first valve core (20), the first sealing structure (50) is provided with a plurality of first through holes (51), and the first through holes (51) and the first valve ports (12) are arranged in a one-to-one correspondence mode.
  7. 7. The control valve according to claim 1, characterized in that the control valve further comprises: The second sealing structure (60) is arranged between the second surrounding plate section and the second valve core (30), wherein the second sealing structure (60) is provided with a second through hole (61), and the communication part (31) is communicated with the second valve port (13) through the second through hole (61).
  8. 8. The control valve of claim 1, wherein the plurality of passages (21) includes a first passage (211), the first spool (20) further comprising: A first plate body (22); A second plate body (23) disposed opposite to the first plate body (22); the third plate body (24) 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 the third plate body (24), part of the first plate body (22) and part of the second plate body (23) surround and form the first channel (211).
  9. 9. The control valve according to claim 8, characterized in that the first plate body (22) and the second plate body (23) are circular plates, and the third plate body (24) comprises: a fourth plate segment (241) extending in a radial direction of the circular plate; a fifth plate segment (242); And a sixth plate section (243) extending along the radial direction of the circular plate and forming a first included angle A with the fourth plate section (241), wherein two ends of the fifth plate section (242) are respectively connected with the fourth plate section (241) and the sixth plate section (243).
  10. 10. The control valve of claim 9, wherein the plurality of passages (21) further includes a second passage (212), the first spool (20) further including: The fourth plate body (25) 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 fourth plate body (25) and the fifth plate section (242) are arranged at intervals, and the second channel (212) is formed by surrounding the fourth plate body (25), part of the first plate body (22), part of the second plate body (23) and the third plate body (24).
  11. 11. Control valve according to claim 10, characterized in that the fourth plate body (25) and the fifth plate section (242) are arranged parallel to each other and/or that the fourth plate body (25) passes through the centre axis of the second plate body (23).
  12. 12. The control valve of claim 10, wherein the plurality of passages (21) further includes a third passage (213), the first spool (20) further including: 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 at a second included angle B with the fourth plate body (25); 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, part of the fourth plate body (25), the fifth plate body (26), at least part of the sixth plate body (27), part of the first plate body (22) and part of the second plate body (23) are surrounded to form the third channel (213).
  13. 13. The control valve of claim 12, wherein the plurality of passages (21) further includes a fourth passage (214), the first spool (20) further including: 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), 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).
  14. 14. The control valve of claim 13, wherein the fifth plate segment (242) has a first distance L 1 from the central axis of the circular plate, the fifth plate body (26) has a second distance L 2 from the central axis of the circular plate, and the seventh plate body (28) has a third distance L 3 from the central axis of the circular plate, wherein L 1 = L 2 = L 3 .
  15. 15. The control valve of claim 10, wherein the plurality of passages (21) further includes a fifth passage (215) and a sixth passage (216), the first spool (20) further comprising: Eighth plate body (29), set up between first plate body (22) with 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).
  16. 16. The control valve according to claim 15, characterized in that the first plate body (22) and the second plate body (23) are circular plates, the eighth plate body (29) comprising: a seventh plate segment (291) extending in a radial direction of the circular plate; an eighth plate segment (292); And a ninth plate section (293) extending along the radial direction of the circular plate and forming a fifth included angle E with the seventh plate section (291), wherein two ends of the eighth plate section (292) are respectively connected with the seventh plate section (291) and the ninth plate section (293).
  17. 17. The control valve according to claim 1, wherein the number of the second valve elements (30) is one, or the number of the second valve elements (30) is plural, the communication ports (16) is plural, the plurality of the second valve elements (30) are provided in one-to-one correspondence with the plurality of the communication ports (16), and/or the number of the first valve elements (20) is one, or the number of the first valve elements (20) is plural, and the plurality of the first valve elements (30) are communicated with each other through the communication portion (31).

Description

Control valve Technical Field The invention relates to the technical field of fluid control, in particular to a control valve. Background Conventionally, in the field of fluid control technology, a plurality of control valves are generally used to control a plurality of flow paths for a device to be controlled having a plurality of flow paths, and each control valve controls the flow path corresponding to the control valve to be in a flow state or a flow-off state. However, the above arrangement not only increases the difficulty of controlling the control valve by the fluid system, but also increases the overall cost of the fluid system. Disclosure of Invention The invention mainly aims to provide a control valve to solve the problem that the control valve in the prior art is complex in controlling a plurality of flow paths. In order to achieve the aim, the invention provides a control valve which comprises a valve seat, a first valve cavity, a second valve cavity, a communication port, a plurality of first valve ports and a plurality of second valve ports, wherein the first valve cavity is communicated with the plurality of first valve ports, the second valve cavity is communicated with the plurality of second valve ports, the first valve cavity is communicated with the second valve cavity through the communication port, a first valve core is movably arranged in the first valve cavity and comprises a plurality of channels, two ends of at least one channel are respectively communicated with two first valve ports, at least one first valve port is communicated with the communication port through the channels, the second valve core is movably arranged in the second valve cavity and comprises a communication part, and the communication part is used for controlling the communication quantity of the second valve ports and the communication port. By applying the technical scheme of the invention, the valve seat is provided with the first valve cavity and the second valve cavity, and the first valve cavity is communicated with the second valve cavity through the communication port. The control valve comprises a first valve core and a second valve core, wherein the first valve core is movably arranged in the first valve cavity and used for controlling the on-off of a plurality of first valve ports and a plurality of second valve ports. The second valve core is movably arranged in the second valve cavity and used for controlling the communication quantity of the second valve port and the communication ports so as to control a plurality of flow paths. Meanwhile, the communication part can also be used for adjusting the flow entering each second valve port. Therefore, compared with the prior art that a plurality of control valves are required to control a plurality of flow paths, the control valve can control a plurality of flow paths at the same time, so that the number of the control valves is reduced, the problem that the control valve is complex in control of a plurality of flow paths in the prior art is solved, the control difficulty of a fluid system is reduced, and the manufacturing cost of the system is reduced. Further, the control valve further comprises a first driving device which is in driving connection with the first valve core to drive the first valve core to rotate around the central axis of the first valve core, and/or a second driving device which is in driving connection with the second valve core to drive the second valve core to rotate around the central axis of the second valve core, wherein a plurality of first valve ports are arranged at intervals around the central axis of the second valve core. The first driving device is in driving connection with the first valve core to drive the first valve core to rotate, and then the first valve ports and the second valve ports are controlled to be communicated with each other, so that intelligent control of the control valve is realized. Further, the central axis of the first valve port and the central axis of the second valve port are arranged in parallel. The arrangement enables the first valve core and the second valve core to be arranged at intervals along the length direction or the width direction of the control valve, so that the overall height and thickness of the control valve are reduced. The valve seat further comprises a valve seat body and a coaming, wherein the valve seat body is provided with a plurality of first flow holes and a plurality of second flow holes, the coaming is arranged on the valve seat body and is positioned on the inner side of the first flow holes and the second flow holes, the first valve ports and the second valve ports are all arranged on the coaming, the first flow holes are arranged in one-to-one correspondence with the first valve ports, and the second flow holes are arranged in one-to-one correspondence with the second valve ports. The valve seat has the advantages that the first valve port and the second valve p