Control valve

Abstract

The present application discloses a control valve (1), the control valve (1) including a valve body (10) and a valve element (20), the valve body including a side wall portion (11), the control valve having a valve chamber (101), the control valve including at least five passages (30), one end of each of the passages communicating with the valve chamber and the other end forming a valve port of the control valve, the valve element including an internal conducting chamber (21), a plurality of external conducting chambers (22), a first partition plate (23) and a second partition plate (24), the first partition plate separating the internal conducting chamber and the external conducting chamber from each other, and the second partition plate is located between two adjacent external conducting chambers, the first partition plate has a communication hole (231), and the internal conducting chamber is connected to a portion of a number of external conducting chambers through the communication hole, the passage includes a first flow path (31) and a second flow path (32), the first flow path can be connected to the internal conducting chamber and the external conducting chamber through the communication hole, and the second flow path can be connected to the external conducting chamber, thus enabling fluid control for a plurality of flow paths and being more convenient and compact in use.

Description

[Technical field]

[0001] This application claims priority to a Chinese patent application filed with the China Patent Office on April 16, 2021, bearing application number 202110411383.1 and entitled "Control Valve", the entire contents of which are incorporated herein by reference.

[0002] TECHNICAL FIELD This application relates to the field of fluid control, and in particular to control valves. [Background technology]

[0003] Some systems require the use of a control valve for multiple flow passages to control the flow paths, such as in automobiles, which are currently generally controlled by multiple control valves, and providing one control valve for controlling fluids in multiple flow paths could be more convenient and compact in use. Summary of the Invention [Problem to be solved by the invention]

[0004] It is an object of the present application to provide a control valve that allows fluid control over multiple flow paths and is more convenient and compact in use. [Means for solving the problem]

[0005] An embodiment of the present application provides a control valve, the control valve including a valve body and a valve element, the valve body including a side wall, the control valve having a valve chamber, the side wall being a peripheral wall or at least a part of the peripheral wall of the valve chamber, at least a part of the valve element being located in the valve chamber and being driven to rotate, the control valve including at least five passages, one end of each of the passages penetrating the side wall, and the other end of each of the passages forming a valve port of the control valve, the valve element including an internal conducting chamber, a plurality of external conducting chambers, a first partition plate and a second partition plate, the plurality of external conducting chambers being distributed on the outer periphery side of the internal conducting chamber, the first partition plate being located between the internal conducting chamber and the external conducting chamber, the second partition plate being located between two adjacent external conducting chambers and isolating the external conducting chambers, the first partition plate has a communication hole, and the internal communication chamber communicates with a portion of the external communication chambers via the communication hole; The passage of the control valve includes a first flow path and a plurality of second flow paths, the first flow path being capable of communicating with the internal connecting chamber and the external connecting chamber via the communication hole, and the second flow paths being capable of communicating with the external connecting chamber.

[0006] According to the control valve provided in the embodiment of the present application, the valve body includes an internal conducting chamber, a plurality of external conducting chambers, a first partition plate and a second partition plate, the first partition plate is located between the internal conducting chamber and the external conducting chamber and can separate the internal conducting chamber and the external conducting chamber, the first partition plate has a communication hole so that the internal conducting chamber communicates with a portion of the external conducting chambers, and the second partition plate is located between two adjacent external conducting chambers and separates each of the external conducting chambers into an independent space, in the implementation of the present application, the external conducting chamber and the second flow passage can be connected or blocked by the corresponding valve port by rotating the valve body, and / or the first flow passage, the internal conducting chamber, the communication hole and the external conducting chamber can be connected or blocked by rotating the valve body, in this way, the control valve has different communication means between the plurality of valve ports, and one control valve controls a plurality of flow passages, which is more convenient and compact in use. [Brief description of the drawings]

[0007] [Figure 1] FIG. 2 is a schematic diagram of the explosion configuration of the control valve provided in the first embodiment of the present application. [Diagram 2] 2 is a schematic diagram showing a partial cross-sectional configuration of one portion of the control valve shown in FIG. 1. [Diagram 3] 2 is a schematic partial cross-sectional view of another portion of the control valve shown in FIG. 1. [Figure 4] 2 is a schematic three-dimensional configuration diagram of a valve body of the control valve shown in FIG. 1. [Diagram 5] 5 is a schematic three-dimensional view of a cutaway configuration at one of the portions of the valve body shown in FIG. 4. FIG. [Figure 6] 5 is a schematic three-dimensional view of a cutaway configuration of another portion of the valve body shown in FIG. 4. [Figure 7] FIG. 2 is a schematic configuration diagram of the control valve shown in FIG. 1 at a first viewing angle. [Figure 8] 8 is a schematic cross-sectional view taken along the AA direction in FIG. 7. FIG. [Figure 9] FIG. 2 is a schematic configuration diagram of the control valve shown in FIG. 1 at a second viewing angle. [Figure 10] 10 is a schematic cross-sectional view taken along the line BB in FIG. 9. FIG. [Figure 11] 5 is a schematic diagram showing the configuration of the valve body shown in FIG. 4 at one of the viewing angles. FIG. [Figure 12] 12 is a schematic cross-sectional view taken along the CC direction in FIG. 11. FIG. [Figure 13] 12 is a schematic cross-sectional view taken along the DD direction in FIG. 11. FIG. [Figure 14] 12 is a schematic cross-sectional view taken along the EE direction in FIG. 11. FIG. [Figure 15] 12 is a schematic cross-sectional view taken along the FF direction in FIG. 11. FIG. [Figure 16] 5 is a schematic diagram showing the three-dimensional configuration of a first sector segment of the valve body shown in FIG. 4. FIG. [Figure 17] 5 is a schematic diagram showing the three-dimensional configuration of a second sector segment of the valve body shown in FIG. 4. FIG. [Figure 18] FIG. 5 is a schematic diagram showing the three-dimensional configuration of a third sector segment of the valve body shown in FIG. 4. [Figure 19]FIG. 5 is a schematic diagram showing the three-dimensional configuration of a fourth sector segment of the valve body shown in FIG. 4. [Figure 20] FIG. 2 is a schematic configuration diagram of the control valve shown in FIG. 1 at a third viewing angle. [Figure 21] 2 is a schematic diagram showing the position of a valve disc and the flow position of a flow path in the control valve shown in FIG. 1 in a first operation mode. FIG. [Figure 22] 2 is a schematic block diagram of a communication means for a valve port of the control valve shown in FIG. 1 in a first operation mode. FIG. [Diagram 23] 4 is a schematic diagram showing the position of the valve body and the flow position of the flow passage in the control valve shown in FIG. 1 in a second operation mode. FIG. [Figure 24] 2 is a schematic block diagram of a communication means for a valve port of the control valve shown in FIG. 1 in a second operation mode. FIG. [Diagram 25] 1. FIG. 4 is a schematic diagram showing the position of the valve body and the flow position of the flow passage in the control valve shown in FIG. 1 in a third operation mode. [Figure 26] 4 is a schematic block diagram of a communication means for a valve port of the control valve shown in FIG. 1 in a third operation mode. FIG. [Figure 27] 1. FIG. 4 is a schematic diagram showing the position of the valve disc and the flow position of the flow passage in the control valve shown in FIG. 1 in a fourth operation mode. [Figure 28] 1. FIG. 4 is a schematic block diagram of a communication means for a valve port in a fourth operation mode of the control valve shown in FIG. [Figure 29] FIG. 2 is a schematic diagram of an explosion configuration of a control valve provided in a second embodiment of the present application. [Diagram 30] FIG. 30 is a partial cross-sectional view of one of the control valves shown in FIG. 29. [Diagram 31] FIG. 30 is a schematic three-dimensional diagram of a valve body of the control valve shown in FIG. 29. [Diagram 32] 30 is a schematic diagram showing the position of the valve disc and the flow position of the flow passage in the control valve shown in FIG. 29 in a first operation mode. FIG. [Diagram 33] FIG. 30 is a schematic block diagram of a communication means for a valve port of the control valve shown in FIG. 29 in a first operation mode. [Diagram 34]30 is a schematic diagram showing the position of the valve disc and the flow position of the flow passage in the control valve shown in FIG. 29 in a second operation mode. FIG. [Diagram 35] FIG. 30 is a schematic block diagram of a communication means for a valve port of the control valve shown in FIG. 29 in a second operation mode. [Diagram 36] 30 is a schematic diagram showing the position of the valve disc and the flow position of the flow passage in the control valve shown in FIG. 29 in a third operation mode. FIG. [Figure 37] FIG. 30 is a schematic block diagram of a communication means for a valve port in a third operation mode of the control valve shown in FIG. 29. [Figure 38] 30 is a schematic diagram showing the position of the valve disc and the flow position of the flow passage in the control valve shown in FIG. 29 in a fourth operation mode. FIG. [Figure 39] 30 is a schematic block diagram of a communication means for a valve port of the control valve shown in FIG. 29 in a fourth operation mode. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] The features and exemplary embodiments of various aspects of the present application are described in detail below, and in order to make the objectives, technical solutions and advantages of the present application clearer and more obvious, the present application is further described in detail below in combination with drawings and specific embodiments. In the present specification, the terms "first" and "second" are used merely to distinguish one component from another component having the same name, and do not necessarily require or imply the existence of any such actual relationship or order between these components.

[0009] As shown in FIG. 1 to FIG. 3, an embodiment of the present application provides a control valve 1, which includes a valve body 10, a valve element 20 and a first sealing member 41, the valve body 10 includes a side wall portion 11, the control valve 1 has a valve chamber 101, the side wall portion 11 is a peripheral wall or at least a part of the peripheral wall of the valve chamber 101, along the radial direction of the valve element 20, the first sealing member 41 is located between the valve element 20 and the side wall portion 11, the valve element 20 can be rotated by driving, the control valve 1 further includes a driving device 50 and a sealing ring 43, the driving device 50 includes a driving member, the driving member can be a motor or a set of a motor and a reduction gear, the valve element 20 can be rotated by driving the driving member in the driving device 50, in FIG. 1, the valve body 10 further includes a bottom wall portion 12 and a top wall portion 13, the bottom wall portion 12, the ... bottom The wall 13 and the side wall 11 form a part of the wall of the valve chamber 101, the sealing ring 43 is located between the top wall 13 and the valve body 20, at least a part of the side wall 11 is located between the bottom wall 12 and the top wall 13, one of the bottom wall 12 and the top wall 13 is integrally molded with the side wall 11, and the other is sealed with the side wall 11. For example, in FIG. 1, the top wall 13 is integrally molded with the side wall 11, and the bottom wall 12 is fixedly connected and sealed between the side wall 11 and the side wall 11 by a welding process, and the sealing ring 43 to prevent fluid leakage is located between the top wall 13 and the valve body 20. In this case, the valve body 20 is assembled from the bottom to the top of the valve body 10 during the assembly process, which reduces the deformation of the sealing ring 43 and improves the sealing performance of the sealing ring 43. The control valve 1 includes at least five passages 30, one end of each of which penetrates the side wall portion 11 and communicates with the valve chamber 101, and the other end of each of the passages 30 forms a valve port 102 of the control valve 1, and fluid can enter and exit the control valve 1 through the valve port 102.

[0010] 1, the cross section of the first sealing member 41 has an arc-shaped structure, both sides of the first sealing member 41 in the circumferential direction have position limiting surfaces, and the side wall portion 11 of the valve body 10 includes a fitting surface, and the position limiting surface and the fitting surface abut against each other to realize the position limit for the first sealing member 41. Since the cross section of the first sealing member 41 has an arc-shaped structure, the valve body 20 is likely to be eccentric in the process of pressing the first sealing member 41, which affects the rotation of the valve body 20. Therefore, in the embodiment of the present application, the control valve 1 further includes a second sealing member 42, and the second sealing member 42 and the first sealing member 41 are respectively disposed on both sides of the valve body 20 in the radial direction, so that the second sealing member 42 and the first sealing member 41 both have a biasing force against the valve body 20, and the valve body 20 and the side wall portion 11 are kept coaxial with each other, and the stability of the rotation of the valve body 20 is improved. Furthermore, at least a portion of the first sealing member 41 and the second sealing member 42 may be made of a rubber material, for example, the first sealing member 41 and the second sealing member 42 both include an elastic member and a sealing member fixedly connected thereto, the elastic adhesive can be formed by processing a rubber material, and the sealing member can be formed by processing Teflon (registered trademark).

[0011] In order to easily assemble the control valve 1 with other components in the fluid control system, the integration degree between the control valve 1 and other components is improved, and in some embodiments, as shown in Figures 1 to 3, the valve body 10 further includes an attachment portion 14 fixedly connected to the side wall portion 11, for example, the attachment portion 14 having an attachment surface and the side wall portion 11 can be integrally molded, and the valve ports 102 of the control valve 1 are all disposed on the attachment surface and each valve port 102 is oriented in the same direction, so that the valve ports 102 of the control valve 1 penetrate the attachment surface, which can relatively simplify the assembly steps between the control valve 1 and other components, reduce the number of leakage points at the connection portion, and improve the reliability of sealing. The first sealing member 41 has an opening 411 that corresponds one-to-one with the valve port 102, and the communication chamber of the valve body 20 communicates with the valve port 102 through the opening 411 of the first sealing member 41.

[0012] As shown in Figures 3 to 6, the main body of the valve body 20 has a columnar structure, and the valve body 20 includes a top plate 201, a bottom plate 202, an internal conductive chamber 21, a plurality of external conductive chambers 22, a first partition plate 23 and a second partition plate 24. Along the height direction of the valve body 20, the plurality of external conductive chambers 22, the first partition plate 23 and the second partition plate 24 are located between the top plate 201 and the bottom plate 202, and the internal conductive chamber 21 is located between the top plate 201 and the bottom plate 202 and penetrates the bottom plate 202. At least some of the external conductive chambers 22 are distributed on the outer periphery of the internal conductive chamber 21, a first partition plate 23 is located between the internal conductive chamber 21 and the external conductive chamber 22, and a second partition plate 24 is located between two adjacent external conductive chambers 22, the main body of the first partition plate 23 has a hollow cylindrical structure, the first partition plate 23 has a communication hole 231, the internal conductive chamber 21 communicates with a portion of the external conductive chambers 22 through the communication hole 231, and each external conductive chamber 22 is partitioned into independent spaces by the second partition plate 24, By rotating the valve body 20, at least two valve ports 102 corresponding to one external connecting chamber 22 can be opened or closed by one external connecting chamber 22, and / or at least two valve ports 102 corresponding to the internal connecting chamber 21, the communication hole 231, and the external connecting chamber 22 can be opened or closed by rotating the valve body 20, at least one of the valve ports 102 corresponding to the internal connecting chamber 21 and at least one of the valve ports 102 corresponding to the external connecting chamber 22. With the above-mentioned installation, one control valve 1 can control multiple flow paths, and is more convenient and compact in use.

[0013] Further referring to FIG. 5 , in some embodiments, the valve body 20 further includes a connecting post 28 and a connecting rib 29, the connecting post 28 is a hollow columnar structure, and an internal conductive chamber 21 is formed between the outer surface of the connecting post 28 and the inner surface of the first partition plate 23, and the connecting rib 29 is connected between the outer surface of the connecting post 28 and the inner surface of the first partition plate 23 to enhance the structural strength of the valve body 20.

[0014] As shown in Figures 1 and 6, in some embodiments, the first partition plate 23 and the second partition plate 24 are fixedly connected as an integral structure by an injection process, and when the control valve 1 further includes a first sealing member 41, the first sealing member 41 is located between the valve body 20 and the side wall portion 11, and one surface of the first sealing member 41 in the thickness direction is in contact with and sealed to the surface of the second partition plate 24, and the other surface of the first sealing member 41 in the thickness direction is in contact with and sealed to the inner surface of the side wall portion 11.

[0015] As shown in FIGS. 7 to 11 , in some embodiments, the valve body 20 includes a transmission connection part 25, a conductive part 26, and a support part 27, and at least a part of the transmission connection part 25 and the support part 27 are provided at both ends of the connection pole 28, respectively. Along the height direction of the valve body 20, the conductive part 26 is located between the transmission connection part 25 and the support part 27. In this case, the conductive part 26 is a structure formed by a top plate 201, a bottom plate 202, and a member located between the top plate 201 and the bottom plate 202. The transmission connection part 25 protrudes from the top plate 201 in a direction away from the support part 27, and the support part 27 protrudes from the bottom plate 202 in a direction away from the transmission connection part 25. 8, there is a space between one end of the conducting part 26 and the bottom wall 12 of the valve body 10, that is, along the axial direction of the valve body 20, i.e., along the height direction of the valve body 20; in FIG. 10, when the control valve includes a first sealing member 41, there is also a space between one end of the first sealing member 41 in the height direction and the bottom wall 12 of the valve body 10.

[0016] 1, 2, 8 and 10, the passage 30 of the control valve 1 includes a first flow path 31, one end of the first flow path 31 penetrates the side wall portion 11 to form a first communication port 311, and the other end of the first flow path 31 forms a first valve connection port 312. The first communication port 311 is located at one end of the side wall portion 11 in the height direction, and the conducting portion 26 of the valve body 20 and the first communication port 311 are arranged in the height direction of the side wall portion 11. In FIGS. 2, 8 and 10, the first communication port 311 is located between the bottom plate 202 and the bottom wall portion 12 along the height direction of the side wall portion 11, that is, the first communication port 311 is located in the region between one end of the conducting portion 26 and the bottom wall portion 12, and at the same time, this first communicating port 311 is also located in the region between one end of the first sealing member 41 and the bottom wall portion 12. In any operating mode of the valve body 20, the first valve connection port 312 communicates with the internal conducting chamber 21 via the first communicating port 311 and the valve chamber 101. In other words, regardless of the rotation angle of the valve body 20, the fluid that flows into the control valve from the first valve connection port 312 enters directly into the valve chamber 101 via the first communicating port 311, and flows from the valve chamber 101 into the internal conducting chamber 21.

[0017] As shown in FIGS. 1, 3 and 4, in some embodiments, the passage 30 of the control valve 1 further includes a plurality of second flow paths 32, one end of each of the second flow paths 32 penetrates the side wall 11 to form a second communication port 321, and the other end of the second flow path 32 forms a second valve connection port 322. Along the height direction of the side wall 11, the second communication port 321 is located between the bottom plate 202 and the top plate 201, and the position where the second communication port 321 exists corresponds to the position where the external connecting chamber 22 exists, facilitating the fluid communication between the external connecting chamber 22 and the second communication port 321. The external connecting chamber 22 includes a plurality of first chambers 221 and a plurality of second chambers 222. Along the height direction of the valve body 20, the longitudinal section of the chamber port of the first chamber 221 is formed. The area is more than twice the longitudinal cross-sectional area of ​​the chamber opening of the second chamber 222, the first chamber 221 can correspond to two second valve connection ports 322, and the second chamber 222 can correspond to one second valve connection port 322, and by rotating the valve body 20, one first chamber 221 and the two second valve connection ports 322 corresponding to the first chamber 221 can be connected by the second communication port 321, and a portion of the second chambers 222 are connected to the internal connecting chamber 21 via the communication hole 231, and by rotating the valve body 20, the first valve connection port 312 and the one second valve connection port 322 corresponding to the second chamber 222 can be connected by the internal connecting chamber 21, the communication hole 231 and the second chamber 222.

[0018] 11 to 15, the valve body 20 can be provided with four layers of external connecting chambers 22, namely, a first layer external connecting chamber, a second layer external connecting chamber, a third layer external connecting chamber, and a fourth layer external connecting chamber, along the height direction of the valve body 20 in the direction from the bottom plate 202 to the top plate 201 in FIG. 11. In the region where the first layer external connecting chambers are located, the first partition plate 23 has communication holes 231 arranged at two intervals, and each communication hole 231 is connected to the second chamber 222 in a corresponding one of the external connecting chambers 22. The remaining external connecting chambers 22 are all partitioned by the first partition plate 23 into spaces independent of the internal connecting chamber 21. In the region where the second layer external connecting chamber is located, the first partition plate 23 has communication holes 231 arranged at two intervals. Each of the external communicating chambers 22 has communicating holes 231 positioned in the first partition plate 23, and each of the communicating holes 231 is connected to the second chamber 222 in a corresponding one of the external communicating chambers 22. The remaining external communicating chambers 22 are all partitioned by the first partition plate 23 into spaces independent of the internal communicating chamber 21. Furthermore, the communicating holes 231 positioned in the region where the second layer external communicating chamber is located and the communicating holes 231 positioned in the region where the first layer external communicating chamber is located are shifted from each other in the circumferential direction of the valve body 20 and are partitioned by the second partition plate 24. In the region where the third layer external communicating chamber and the fourth layer external communicating chamber are located, the first partition plate 23 does not have a communicating hole 231, and the external communicating chamber 22 and the internal communicating chamber 21 located in this region are all partitioned by the first partition plate 23 into independent spaces.

[0019] Combining Figures 4, 5, 11, and 16 to 19, in some embodiments, the valve body 20 has a columnar structure, the length of the first chamber 221 is twice the length of the second chamber 222, and the width of the first chamber 221 is equal to the width of the second chamber 222, and it should be explained that the length of the first chamber 221 means the length of the long edge in the longitudinal section of the chamber opening of the first chamber 221, and further, the longitudinal cross-sectional area of ​​each connecting chamber (i.e., the first chamber 221 or the second chamber 222) is the cross-sectional area of ​​the valve body cut through the peripheral wall edges on both sides of the connecting chamber parallel to the axial direction of the valve body, and this cross-sectional area can also be understood as the area of ​​the projection surface of the connecting chamber projected orthogonally along the radial direction, or this cross-sectional area can also be understood as the area of ​​the chamber opening toward the second valve connection port 322 in the connecting chamber. For example, in FIG. 16, the cross section of the first chamber 221 at the chamber opening is rectangular, in which case the length of the first chamber 221 is the length of the rectangle and the width of the first chamber 221 is the width of the rectangle; similarly, the length of the second chamber 222 means the length of the long edge at the chamber opening of the second chamber 222, and the width of the second chamber 222 means the length of the short edge at the chamber opening of the second chamber 222.Along the circumferential direction of the valve body 20, the valve body 20 includes a first sector segment SE1, a second sector segment SE2, a third sector segment SE3, and a fourth sector segment SE4, each having a sector-shaped cross section. As shown in FIG. 16, the first sector segment SE1 is provided with three first chambers 221 and two second chambers 222. The width direction of the first chambers 221 is parallel to the height direction of the valve body 20. The first partition plate 23 is provided with one A communication hole 231 is provided at a portion forming the peripheral wall of the second chamber 222, and the internal conducting chamber 21 communicates with one of the second chambers 222 via the communication hole 231. As shown in FIG. 17, the second sector segment SE2 is provided with two first chambers 221 along the height direction of the valve body 20, and the length direction of the first chambers 221 is parallel to the height direction of the valve body 20. As shown in FIG. 18, the third sector segment SE2 is provided with two first chambers 221 along the height direction of the valve body 20. The fourth sector segment SE3 is provided with one first chamber 221 and two second chambers 222, the length direction of the first chamber 221 is parallel to the height direction of the valve body 20, the first partition plate 23 is provided with a communication hole 231 at a portion forming the peripheral wall of one of the second chambers 222, and the internal conducting chamber 21 is in communication with one of the second chambers 222 via the communication hole 231. As shown in FIG. 19, the fourth sector segment SE4 is provided with three A first chamber 221 and two second chambers 222 are provided, the length direction of one of the three first chambers 221 is parallel to the height direction of the valve body 20, and the length directions of the other two first chambers 221 are perpendicular to the height direction of the valve body 20, and the first partition plate 23 is provided with a communication hole 231 at a portion forming the peripheral wall of one of the second chambers 222, and the internal conducting chamber 21 communicates with the second chamber 222 via the communication hole 231. With the above-mentioned arrangement, when the valve body 20 is rotated to different angles, different valve ports are connected by different communicating chambers to form multiple types of flow paths.

[0020] As shown in FIG. 20 , in some embodiments, the control valve 1 includes nine passages 30, and the valve ports formed by the nine passages 30 are defined as a first valve port VP1 (first valve connection port 312) located in the first flow path 31, a second valve port VP2 located in the second flow path 32, a third valve port VP3, a fourth valve port VP4, a fifth valve port VP5, a sixth valve port VP6, a seventh valve port VP7, an eighth valve port VP8, and a ninth valve port VP9, ​​and the control valve 1 includes at least one of the following four operation modes: In the first operation mode, as shown in Fig. 21 and Fig. 22, the valve body 20 rotates to a position where the area where the first sector segment SE1 is located corresponds to the valve port, the first valve port VP1 communicates with the fourth valve port VP4 through the valve chamber, the internal conducting chamber 21, the communication hole 231 and the second chamber 222 to form a flow path 4, one of the three first chambers 221 communicates with the second valve port VP2 and the third valve port VP3 to form a flow path 3, another first chamber 221 communicates with the sixth valve port VP6 and the seventh valve port VP7 to form a flow path 4, another first chamber 221 communicates with the eighth valve port VP8 and the ninth valve port VP9 to form a flow path 1, and the fifth valve port VP5 is in a blocked state. In the present text, the connecting lines in the block diagrams show schematic connecting lines that communicate two valve ports.

[0021] In the second operation mode, as shown in Figures 23 and 24, the valve body 20 rotates to a position where an area where one pair of adjacent second sector segment SE2 and third sector segment SE3 are located corresponds to the valve orifice, and in the area where the second sector segment SE2 is located, one of the two first chambers 221, the first chamber 221, communicates with the seventh valve orifice VP7 and the ninth valve orifice VP9 to form a flow path 1, and the other first chamber 221, The first chamber 221 communicates with the third valve orifice VP3 and the fifth valve orifice VP5 to form flow path 2, and in the region where the third sector segment SE3 is located, the first chamber 221 communicates with the sixth valve orifice VP6 and the eighth valve orifice VP8 to form flow path 3, the first valve orifice VP1 communicates with the fourth valve orifice VP4 via the internal conducting chamber 21, the communication hole 231, and one of them, the second chamber 222, to form flow path 4, and the second valve orifice VP2 is in a blocked state.

[0022] In the third operation mode, as shown in Figures 25 and 26, the valve body 20 rotates to a position where the region where another pair of adjacent second sector segment SE2 and third sector segment SE3 are located corresponds to the valve orifice, and in the region where the second sector segment SE2 is located, one of the two first chambers 221 communicates with the eighth valve orifice VP8 and the sixth valve orifice VP6 to form the flow path 3, and the other first chamber 221 communicates with the eighth valve orifice VP8 and the sixth valve orifice VP6 to form the flow path 3. The chamber 221 communicates with the fourth valve orifice VP4 and the second valve orifice VP2 to form flow path 4, and in the region where the third sector segment SE3 is located, the first chamber 221 communicates with the ninth valve orifice VP9 and the seventh valve orifice VP7 to form flow path 1, the first valve orifice VP1 communicates with the third valve orifice VP3 via the internal conducting chamber 21, the communication hole 231 and one of the second chambers 222 to form flow path 2, and the fifth valve orifice VP5 is in a blocked state.

[0023] In the fourth operating mode, as shown in Figures 27 and 28, the valve body 20 rotates to a position where the area in which the fourth sector segment SE4 is located corresponds to the valve orifice, the first valve orifice VP1 communicates with the third valve orifice VP3 via the internal conducting chamber 21, the communication hole 231 and one second chamber 222 to form flow path 2, one of the three first chambers 221 communicates with the eighth valve orifice VP8 and the sixth valve orifice VP6 to form flow path 3, another first chamber 221 communicates with the ninth valve orifice VP9 and the seventh valve orifice VP7 to form flow path 1, and yet another first chamber 221 communicates with the fourth valve orifice VP4 and the fifth valve orifice VP5 to form flow path 4, and the second valve orifice VP2 is in a blocked state.

[0024] With the above arrangement, when the control valve 1 has nine valve ports, it forms four fluid flow passages and at least one closed passage. Compared with the conventional valve structure with multiple flow passages that cannot achieve shutoff by a single valve port, the control valve 1 of the embodiment of the present application can achieve the operation mode of shutoff by a single valve port during the rotation process of the valve body.

[0025] 29 to 31 are schematic diagrams of the configuration of the control valve 1 provided in the second embodiment of the present application, which is similar to the configuration of the control valve provided in the first embodiment, and both include a valve body 10, a valve element 20, a first sealing member 41, a second sealing member 42 and a drive unit (not shown) and other components. The control valve 1 has a number of passages 30, and the passage 30 has a first flow path 31 and a number of second flow paths 32. One end of the first flow path 31 penetrates the side wall portion 11 of the valve body to form a first communication port 311, and the first communication port 311 is located at one end of the side wall portion 11 in the height direction. The difference is that the control valve 1 provided in the second embodiment has five valve ports, and the configuration of the valve element 20 is also different accordingly. The valve element 20 provided in the embodiment of the present application will be described below.

[0026] As shown in FIG. 31 , in some embodiments, the valve body 20 has a columnar structure, the length of the first chamber 221 is twice the length of the second chamber 222, the width of the first chamber 221 is equal to the width of the second chamber 222, and along the circumferential direction of the valve body 20, the valve body 20 includes a first sector segment SE1, a second sector segment SE2, and a third sector segment SE3, each having a sector-shaped cross section, and the first sector segment SE1 is provided with one first chamber 221 and two second chambers 222, the width direction of the first chamber 221 is parallel to the height direction of the valve body 20, and the first partition plate 23 forms a peripheral wall of one second chamber 222. The second sector segment SE2 has one first chamber 221 along the height direction of the valve body 20, and the length direction of the first chamber 221 is parallel to the height direction of the valve body 20. The third sector segment SE3 has two second chambers 222 along the height direction of the valve body 20. The first partition plate 23 has a communication hole 231 at a portion that forms the peripheral wall of one of the second chambers 222, and the internal conducting chamber 21 communicates with one of the second chambers 222 via the communication hole 231. Furthermore, the number of the first sector segments SE1, the number of the second sector segments SE2, and the number of the third sector segments SE3 can be set according to the needs of the user.

[0027] As shown in Figures 29 and 30, in some embodiments, the control valve 1 includes five passages 30, and the valve ports formed by the five passages 30 are a first valve port VP1 located in a first flow path 31, a second valve port VP2 located in a second flow path 32, a third valve port VP3, a fourth valve port VP4, and a fifth valve port VP5, respectively. The control valve 1 includes at least one of the following four operation modes. In the first operation mode, as shown in Figures 32 and 33, the valve body 20 rotates to a position where a region where one of the first sector segments SE1 is located corresponds to the valve port, and the second operation mode corresponds to the valve port. The first valve port VP1 communicates with the fourth valve port VP4 via the internal conducting chamber 21, the communication hole 231 and the second chamber 222 to form a flow path 2, the first chamber 221 communicates with the second valve port VP2 and the third valve port VP3 to form a flow path 1, and the fifth valve port VP5 is in a blocked state. In the second operating mode, as shown in Figures 34 and 35, the valve body 20 rotates to a position where an area where one pair of adjacent second sector segment SE2 and third sector segment SE3 are located corresponds to the valve port, and in the area where the second sector segment SE2 is located, the first chamber 221 communicates with the third The valve orifice VP3 and the fifth valve orifice VP5 are connected to each other to form a flow path 1, and in the region where the third sector segment SE3 is located, the first valve orifice VP1 is connected to the fourth valve orifice VP4 via the internal connecting chamber 21, the connecting hole 231 and one of the second chambers 222 to form a flow path 2, and the second valve orifice VP2 is in a blocked state. In the third operation mode, as shown in Figures 36 and 37, the valve body 20 rotates to a position where the region where the other pair of adjacent second sector segment SE2 and third sector segment SE3 are located corresponds to the valve orifice, and the second sector segment SE2 is positioned 38 and 39, in the fourth operation mode, the valve body 20 rotates to a position where the region where the other first sector segment SE1 is located corresponds to the valve port, and the first valve port VP1 communicates with the internal communicating chamber 21, the communicating hole 231, and one of the second chambers 222 to form a flow path 2. In the fourth operation mode, as shown in FIG. 38 and FIG. 39, the valve body 20 rotates to a position where the region where the other first sector segment SE1 is located corresponds to the valve port, and the first valve port VP1 communicates with the internal communicating chamber 21,The first chamber 221 communicates with the third valve port VP3 through the communication hole 231 and one of the second chambers 222 to form a flow path 2, the first chamber 221 communicates with the fourth valve port VP4 and the fifth valve port VP5 to form a flow path 1, and the second valve port VP2 is in a blocked state.

[0028] The number of valve ports of the control valve 1 provided in the embodiments of the present application is not limited to 5 or 9, and may be more than 6, 7, 11, 12, or 13, for example, and the specific number can be set according to the needs of the user. According to the control valve 1 provided in the embodiments of the present application, in some embodiments, the control valve 1 has 2n+1 passages 30 and 2n+1 valve ports, and the control valve 1 can form n flow paths connecting two valve ports by the internal conducting chamber 21 and the external conducting chamber 22 of the valve body 20, and at least one of the valve ports is blocked by the first partition plate 23 and the second partition plate 24 of the valve body 20. Compared with the conventional valve structure with multiple flow paths that cannot realize the closing of a single valve port, the control valve 1 of the embodiments of the present application can realize the operation mode of closing a single valve port during the rotation process of the valve body.

[0029] From the above, according to the control valve 1 provided in the embodiment of the present application, the valve body 20 includes an internal conducting chamber 21, a plurality of external conducting chambers 22, a first partition plate 23 and a second partition plate 24, the first partition plate 23 is located between the internal conducting chamber 21 and the external conducting chamber 22 and can separate the internal conducting chamber 21 and the external conducting chamber 22, the first partition plate 23 has a communication hole 231, so that the internal conducting chamber 21 communicates with a portion of the external conducting chambers 22, the second partition plate 24 is located between two adjacent external conducting chambers 22 and separates each external conducting chamber 22 into an independent space, In implementing the present application, by rotating the valve body 20, the two corresponding valve ports can be opened or closed by one external connecting chamber 22, and / or by rotating the valve body 20, the two corresponding valve ports can be opened or closed by the internal connecting chamber 21, the connecting hole 231 and the external connecting chamber 22. In this way, the control valve 1 has different connecting means between the multiple valve ports, and one control valve 1 can be used to control multiple flow paths, which is simple and convenient to install in a fluid system, and is easy to popularize and apply.

[0030] It should be noted that the above embodiments are merely for the purpose of describing the present application, and do not limit the technical solutions described in the present application, such as the definition of directions such as "front", "back", "left", "right", "up", "down", etc. Although the present specification has described the present application in detail with reference to the above embodiments, those skilled in the art should understand that they can still amend, combine or make equivalent substitutions to the present application, and all technical solutions and improvements thereon that do not depart from the spirit and scope of the present application also fall within the scope of the claims of the present application.

Claims

1. A control valve comprising a valve body and a valve element, the valve body including a side wall portion, the control valve having a valve chamber, the side wall portion being a peripheral wall or at least a part of the peripheral wall of the valve chamber, at least a part of the valve element being located in the valve chamber and being rotatable by being driven, the control valve comprising at least five passages, one end of each of the passages penetrating the side wall portion and the other end of each of the passages forming a valve port of the control valve, the valve element comprising an internal conducting chamber, a plurality of external conducting chambers, a first partition plate and a second partition plate, the plurality of external conducting chambers being distributed on an outer periphery side of the internal conducting chamber, the first partition plate being located between the internal conducting chamber and the external conducting chamber, and the second partition plate being located between two adjacent external conducting chambers and isolating the external conducting chambers, the first partition plate has a communication hole, and the internal communication chamber communicates with a portion of the external communication chambers via the communication hole; a first flow path and a plurality of second flow paths, the first flow paths being capable of communicating with the internal connecting chamber and the external connecting chamber via the connecting hole, and the second flow paths being capable of communicating with the external connecting chamber.

2. 2. The control valve according to claim 1, wherein the control valve has 2n+1 of the passages and 2n+1 of the valve ports, the internal connecting chamber and the external connecting chamber of the valve body make it possible to form n flow paths connecting at least two of the valve ports, and at least one of the valve ports is blocked by the first partition plate and the second partition plate of the valve body.

3. The valve body includes a transmission connection part, a conductive part and a support part, the conductive part is located between the transmission connection part and the support part along the height direction of the valve body, the transmission connection part and the support part are both connected to the valve body with positional restriction, the internal conductive chamber and the external conductive chamber are both formed in the conductive part, 2. The control valve according to claim 1, wherein one end of the first flow path penetrates the side wall portion to form a first communication port, the other end of the first flow path forms a first valve connection port, the first communication port is located at one end of the side wall portion in a height direction, and the conducting portion of the valve body and the first communication port are arranged in the height direction of the side wall portion.

4. 4. The control valve according to claim 3, wherein the first valve connection port communicates with the internal conducting chamber via the first communication port and the valve chamber in any operation mode of the valve body.

5. One end of each of the second flow paths penetrates the side wall portion to form a second communication port, and the other end of each of the second flow paths forms a second valve connection port; 4. The control valve according to claim 3, wherein a portion of the side wall portion where the second communication port is present corresponds to a portion of the side wall portion where the external communication chamber is present along a height direction of the side wall portion.

6. the external communication chamber includes a plurality of first chambers and a plurality of second chambers, a longitudinal cross-sectional area of ​​a chamber opening of the first chambers is twice as large as a longitudinal cross-sectional area of ​​a chamber opening of the second chamber along a height direction of the valve body, and by rotating the valve body, the first chambers and at least two of the second valve connection ports corresponding to the first chambers can be communicated by the second communication port, 6. The control valve according to claim 5, wherein a portion of the second chambers are connected to the internal connecting chamber via the communication hole, and the first valve connection port and the second valve connection port corresponding to the second chamber can be electrically connected to each other via the internal connecting chamber, the communication hole, and the second chamber by rotating the valve body.

7. 7. The control valve of claim 6, wherein the length of said first chamber is twice the length of said second chamber, and the width of said first chamber is equal to the width of said second chamber.

8. Along a circumferential direction of the valve body, the valve body includes a first sector segment, a second sector segment, a third sector segment, and a fourth sector segment, each having a sector-shaped cross section; the first sector segment is provided with three of the first chambers and two of the second chambers, a width direction of the first chambers is parallel to a height direction of the valve body, the first partition plate is provided with the communication hole at a portion forming a peripheral wall of the second chamber, and the internal conducting chamber communicates with one of the second chambers via the communication hole; The second sector segment is provided with two of the first chambers, and a length direction of the first chambers is parallel to a height direction of the valve body, the third sector segment is provided with one of the first chambers and two of the second chambers, a length direction of the first chamber is parallel to a height direction of the valve body, the first partition plate is provided with the communication hole at a portion forming a peripheral wall of one of the second chambers, and the internal conducting chamber communicates with one of the second chambers via the communication hole; The control valve according to claim 6, characterized in that the fourth sector segment is provided with three of the first chambers and two of the second chambers, the length direction of one of the three first chambers is parallel to the height direction of the valve body, and the length directions of the other two first chambers are perpendicular to the height direction of the valve body, the first partition plate is provided with the communication hole at a portion that forms a peripheral wall of one of the second chambers, and the internal conducting chamber is connected to the second chamber via the communication hole.

9. The control valve includes nine of the passages, and the valve ports formed by the nine passages are defined as a first valve port located in the first flow path, a second valve port located in the second flow path, a third valve port, a fourth valve port, a fifth valve port, a sixth valve port, a seventh valve port, an eighth valve port, and a ninth valve port, respectively, and the control valve includes at least any of the following four operation modes: In a first operation mode, the valve body rotates to a position where an area where the first sector segment is located corresponds to the valve port, the first valve port communicates with the fourth valve port via the internal communicating chamber, the communicating hole and the second chamber, one of the three first chambers communicates with the second valve port and the third valve port, another first chamber communicates with the sixth valve port and the seventh valve port, and yet another first chamber communicates with the eighth valve port and the ninth valve port, In a second operation mode, the valve body rotates to a position where an area where one pair of adjacent second sector segments and third sector segments are located corresponds to the valve port, and in the area where the second sector segment is located, one of the two first chambers communicates with the seventh valve port and the ninth valve port, and the other first chamber communicates with the third valve port and the fifth valve port, and in the area where the third sector segment is located, the first chamber communicates with the sixth valve port and the eighth valve port, and the first valve port communicates with the fourth valve port via the internal communicating chamber, the communicating hole and one of the second chambers, In a third operation mode, the valve body rotates to a position where an area where another pair of adjacent second sector segments and third sector segments are located corresponds to the valve port, and in the area where the second sector segment is located, one of the two first chambers communicates with the eighth valve port and the sixth valve port, and the other first chamber communicates with the fourth valve port and the second valve port, and in the area where the third sector segment is located, the first chamber communicates with the ninth valve port and the seventh valve port, and the first valve port communicates with the third valve port via the internal connecting chamber, the connecting hole and one of the second chambers, 9. The control valve according to claim 8, wherein in a fourth operating mode, the valve body rotates to a position where an area in which the fourth sector segment is located corresponds to the valve port, and the first valve port communicates with the third valve port via the internal communicating chamber, the communication hole and one of the second chambers, one of the three first chambers communicates with the eighth valve port and the sixth valve port, another of the three first chambers communicates with the ninth valve port and the seventh valve port, and yet another of the three first chambers communicates with the fourth valve port and the fifth valve port.

10. In the first and third operating modes, the fifth valve port is in a blocked state; 10. The control valve of claim 9, wherein in the second and fourth modes of operation, the second valve port is in a blocked state.

11. The valve body has a columnar structure, the length of the first chamber is twice the length of the second chamber, and the width of the first chamber is equal to the width of the second chamber; Along a circumferential direction of the valve body, the valve body includes a first sector segment, a second sector segment, and a third sector segment, each having a sector-shaped cross section; the first sector segment is provided with one of the first chambers and two of the second chambers, a width direction of the first chamber is parallel to a height direction of the valve body, the first partition plate is provided with the communication hole at a portion forming a peripheral wall of one of the second chambers, and the internal conducting chamber communicates with one of the second chambers via the communication hole; The second sector segment is provided with one of the first chambers, and a length direction of the first chamber is parallel to a height direction of the valve body, 7. The control valve according to claim 6, wherein the third sector segment is provided with two of the second chambers, the first partition plate is provided with the communication hole at a portion that forms a peripheral wall of one of the second chambers, and the internal conducting chamber is connected to one of the second chambers via the communication hole.

12. The control valve includes five passages, and valve ports formed by the five passages are defined as a first valve port located in the first flow path, a second valve port located in the second flow path, a third valve port, a fourth valve port, and a fifth valve port, respectively. The control valve includes at least one of the following four operation modes: In a first operation mode, the valve body rotates to a position where a region where one of the first sector segments is located corresponds to the valve port, the first valve port communicates with the fourth valve port through the internal communicating chamber, the communicating hole and the second chamber, and the first chamber communicates with the second valve port and the third valve port, In a second operation mode, the valve body rotates to a position where a region where one pair of adjacent second sector segments and third sector segments are located corresponds to the valve port, and in the region where the second sector segment is located, the first chamber communicates with the third valve port and the fifth valve port, and in the region where the third sector segment is located, the first valve port communicates with the fourth valve port via the internal connecting chamber, the communication hole and one of the second chambers; In a third operation mode, the valve body rotates to a position where an area where another pair of adjacent second sector segments and third sector segments are located corresponds to the valve port, and in the area where the second sector segments are located, the first chamber communicates with the second valve port and the fourth valve port, and in the area where the third sector segment is located, the first valve port communicates with the third valve port via the internal connecting chamber, the communication hole and one of the second chambers.

12. The control valve according to claim 11, wherein in a fourth operating mode, the valve body rotates to a position where an area in which another one of the first sector segments is located corresponds to the valve port, and the first valve port communicates with the third valve port via the internal connecting chamber, the connecting hole and one of the second chambers, and the first chamber communicates with the fourth valve port and the fifth valve port.

13. The control valve according to any one of claims 1 to 12, characterized in that the valve body further includes a connecting pillar and a connecting rib, the internal conductive chamber is formed between an outer surface of the connecting pillar and an inner surface of the first partition plate, and the connecting rib is connected between the outer surface of the connecting pillar and the inner surface of the first partition plate.

14. 13. The control valve according to claim 1, wherein the valve body further includes a bottom wall portion and a top wall portion, the valve chamber being surrounded by the bottom wall portion, the top wall portion and the side wall portion, at least a portion of the side wall portion being located between the top wall portion and the bottom wall portion, one of the bottom wall portion and the top wall portion being integrally molded with the side wall portion, and the other being provided in a sealed manner with respect to the side wall portion.

15. the first partition plate and the second partition plate are fixedly connected as a unitary structure by an injection process; The control valve according to any one of claims 1 to 12, further comprising a first sealing member and a second sealing member, the first sealing member being located between the valve body and the side wall portion, a surface on one side in a thickness direction of the first sealing member being in contact with and sealed to a surface of the second partition plate, and a surface on the other side in a thickness direction of the first sealing member being in contact with and sealed to an inner surface of the side wall portion, the second sealing member being located between the valve body and the side wall portion, and the second sealing member and the first sealing member being respectively located on both radial sides of the valve body.

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