Multi-way valve

Abstract

The utility model relates to the technical field of valves, in particular to a multi-way valve. The multi-way valve comprises a valve body and a valve element, a plurality of first valve ports and a plurality of second valve ports are formed in the valve body, the valve element is installed in the valve body, the valve element and the valve body are coaxially arranged, the valve element can rotate around the axis, and a first channel and a second channel which are not communicated with each other are formed in the valve element; the first channel can communicate with at least one first valve port and at least one second valve port, and the second valve port can communicate with at least two of the multiple second valve ports. The valve has the advantages that the first valve ports and the second valve ports are formed in the valve body, the first channel and the second channel are formed in the valve element, and communication between the first valve ports and the second valve ports, communication between the first valve ports and communication between the second valve ports are achieved through the first channel and the second channel; switching among a plurality of flow paths is achieved, integration of a plurality of multi-way valves is not needed, and pipeline arrangement is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a multi-way valve. Background Art

[0002] Multi-way valves are widely used in the thermal management system of electric vehicles and are used in conjunction with flow channel plates to achieve pipeline switching.

[0003] In the existing thermal management system of electric vehicles, in order to achieve switching between a variety of different operating conditions, multiple valves need to be used in conjunction, but the dispersed arrangement of valves is not conducive to the integrated control of the thermal management system and the lightweight design of electric vehicles. Utility Model Content

[0004] Based on this, the utility model provides a multi-way valve for the above technical problem.

[0005] A multi-way valve, the multi-way valve comprising: a valve body, the valve body being provided with a first valve port and a second valve port; a valve core, the valve core being installed in the valve body and being coaxially arranged with the valve body, the valve core being able to rotate around an axis, the valve core being provided with a first channel and a second channel which are not connected to each other, the first channel being able to communicate with at least one of the first valve port and at least one of the second valve port, the second valve port being able to communicate with at least two of a plurality of the second valve ports.

[0006] In this way, the valve body is provided with a plurality of first valve ports and a plurality of second valve ports, and the medium can flow in from any of the first valve ports and / or the second valve ports, and can also flow out from any of the first valve ports and / or the second valve ports, and the first valve ports and the second valve ports provide channels for the medium to enter and exit the valve body. The valve core is installed in the valve body and is coaxially arranged with the valve body, so the rotation of the valve core around its own axis is equivalent to the rotation around the axis of the valve body, and the rotation coordination with the valve body is smoother, which is convenient for processing and assembly. The valve core is provided with a first channel and a second channel, and the first channel can be connected with at least one first valve port and at least one second valve port, so the medium entering from one of the first valve port and the second valve port can flow into the first channel, and then flow to the other through the first channel, thereby realizing the circulation of the medium. Similarly, the medium can also enter the second channel from one of the plurality of second valve ports, and then flow out from another of the plurality of second valve ports through the second channel. As the valve core rotates, the first channel can be connected with different first valve ports and second valve ports, and the second channel can also be connected with different second valve ports, thereby realizing the switching between multiple flow paths and simplifying the pipeline layout.

[0007] In one embodiment, the valve core has a first position and a second position, and the valve core can be switched between the first position and the second position by rotating;

[0008] Wherein, when the valve core is in the first position, the second channel is simultaneously connected to two adjacent second valve ports;

[0009] When the valve core is in the second position, the second passage is communicated with at least three adjacent second valve ports at the same time.

[0010] In one embodiment, the valve core has a third position and a fourth position, and the valve core can be switched between the third position and the fourth position by rotating;

[0011] When the valve core is in the third position, the first passage is connected to at least one of the first valve ports and one of the second valve ports;

[0012] When the valve core is in the fourth position, the first passage is in communication with at least one of the first valve ports and at least two adjacent second valve ports.

[0013] In one embodiment, the first valve port and the second valve port are both opened on one side of the valve body in the axial direction; or, the first valve port is opened on one side of the valve body in the axial direction, and the second valve port is opened on the outer side surface of the valve body in the circumferential direction.

[0014] In one embodiment, a plurality of the first valve ports are arranged along the circumference of the valve body, and adjacent first valve ports are arranged at intervals;

[0015] A plurality of the second valve ports are arranged along the circumference of the valve body, adjacent second valve ports are arranged at intervals, and the second valve ports and the first valve ports are located on the outer side of the valve body in the radial direction.

[0016] In one embodiment, the first channel includes a first section and a second section, the first section forms an annular structure around the axis of the valve core, and the second section is connected to the first section and is located radially outside the first section.

[0017] In one embodiment, the first channel includes a first section and a second section, the first section forms an annular structure around the axis of the valve core, the second section is connected to the first section, and the second channel and the first section are both located radially inward of the first section.

[0018] In one embodiment, at least two grooves are formed on the valve core, the notches of the two grooves are open, one groove corresponds to the first valve port, and the other groove corresponds to both the first valve port and the second valve port, and the groove walls of the two grooves define the first channel and the second channel respectively; or,

[0019] The second channel and the second section are opened between the two axial side surfaces of the valve core and are spaced apart from the two axial side surfaces of the valve core. The first section penetrates at least one side of the valve core and is connected to the first valve port.

[0020] In one embodiment, the second channel is configured to be arc-shaped and penetrates the valve core along the axial direction of the valve core.

[0021] In one embodiment, the multi-way valve further includes a driving member, the driving member is connected to the valve body, the valve core includes a rotating shaft, a positioning shaft and a body, one end of the rotating shaft is connected to the driving member, and the other end is rotatably connected to the positioning shaft, one end of the positioning shaft away from the rotating shaft is fixedly connected to the valve body, and the body is connected to the outer peripheral side of the rotating shaft;

[0022] The rotating shaft, the positioning shaft and the body are all coaxially arranged, and the first channel and the second channel are both opened on the body.

[0023] In one embodiment, the multi-way valve includes: a valve body, a first valve port and a second valve port are formed on the valve body; a valve core, the valve core is installed in the valve body and is coaxially arranged with the valve body, the valve core can rotate around the axis, and a first channel and a second channel that are not connected to each other are formed on the valve core; the valve core is rotatably arranged to switch the multi-way valve to any one conduction mode; the first valve port includes valve port B, and the second valve port includes valve port A, valve port C, valve port D and valve port E arranged in sequence; the conduction modes of the multi-way valve include at least three conduction modes.

[0024] In one embodiment, the conduction mode includes a first conduction mode, a second conduction mode and a third conduction mode; when the multi-way valve is in the first conduction mode, the valve port B is connected to the valve port E through the first channel, and the valve port C is connected to the valve port D through the second channel; when the multi-way valve is in the second conduction mode, the valve port B is connected to the valve port E through the first channel; the valve port D is connected to the valve port A through the second channel; when the multi-way valve is in the third conduction mode, the valve port B is connected to the valve port E through the first channel, and the valve port D, the valve port A and the valve port C are connected through the second channel.

[0025] In one embodiment, the conduction mode also includes a fourth conduction mode, a fifth conduction mode and a sixth conduction mode; when the multi-way valve is in the fourth conduction mode, the valve port B is connected to the valve port C through the first channel, and the valve port A is connected to the valve port D through the second channel; when the multi-way valve is in the fifth conduction mode, the valve port B is connected to the valve port C through the first channel, and the valve port A is connected to the valve port E through the second channel; when the multi-way valve is in the sixth conduction mode, the valve port B is connected to the valve port C through the first channel, and the valve port A, the valve port D, and the valve port E are connected through the second channel.

[0026] In one embodiment, the conduction mode also includes a seventh conduction mode, an eighth conduction mode and a ninth conduction mode; when the multi-way valve is in the seventh conduction mode, the valve port B is connected to the valve port D through the first channel, and the valve port A is connected to the valve port E through the second channel; when the multi-way valve is in the eighth conduction mode, the valve port B is connected to the valve port D through the first channel, and the valve port C is connected to the valve port E through the second channel; when the multi-way valve is in the ninth conduction mode, the valve port B is connected to the valve port D through the first channel, and the valve ports A, C and E are connected through the second channel.

[0027] In one embodiment, the conduction mode also includes a tenth conduction mode, an eleventh conduction mode, a twelfth conduction mode and a thirteenth conduction mode; when the multi-way valve is in the tenth conduction mode, the valve port B is connected to the valve port A through the first channel, and the valve port C is connected to the valve port E through the second channel; when the multi-way valve is in the eleventh conduction mode, the valve port B is connected to the valve port A through the first channel, and the valve port C is connected to the valve port D through the second channel; when the multi-way valve is in the thirteenth conduction mode, the valve port B is connected to the valve port A through the first channel, and the valve port C, the valve port D, and the valve port E are connected through the second channel; when the multi-way valve is in the fourteenth conduction mode, the valve port B is connected to the valve port A and the valve port E through the first channel, and the valve port C is connected to the valve port D through the second channel.

[0028] In one embodiment, when the multi-way valve is in the first conduction mode, the second conduction mode, the fourth conduction mode, the fifth conduction mode, the seventh conduction mode, the eighth conduction mode, the tenth conduction mode and the eleventh conduction mode, the corresponding rotation angles of the valve core are 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315° respectively. In one embodiment, when the multi-way valve is in the third conduction mode, the sixth conduction mode, the ninth conduction mode, the twelfth conduction mode and the thirteenth conduction mode, the corresponding rotation angles of the valve core are between 0°-45°, between 90°-135°, between 180°-225°, between 270°-315° and between 315°-0° respectively.

[0029] Compared with the prior art, the present application opens multiple first valve ports and multiple second valve ports on the valve body, opens a first channel and a second channel on the valve core, and realizes the connection between the first valve port and the second valve port, the connection between the multiple first valve ports, and the connection between the multiple second valve ports through the first channel and the second channel. Through a multi-way valve, switching of multiple flow paths is realized, and multiple scattered valves are not required, thereby simplifying the pipeline layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a structural schematic diagram of a first embodiment of a multi-way valve provided by the utility model;

[0031] Figure 2 A schematic structural diagram of another angle of the first embodiment of the multi-way valve provided by the utility model;

[0032] Figure 3 A cross-sectional view of the first embodiment of the multi-way valve provided by the utility model;

[0033] Figure 4 A schematic diagram of the structure of the valve core of the first embodiment of the multi-way valve provided by the utility model;

[0034] Figure 5 A schematic diagram of valve port layout of a first embodiment of a multi-way valve provided by the utility model;

[0035] Figure 6 This is a schematic structural diagram of a valve core of a second embodiment of a multi-way valve provided by the utility model;

[0036] Figure 7 A partial structural schematic diagram of a second embodiment of the multi-way valve provided by the utility model;

[0037] Figure 8 This is a structural schematic diagram of a second embodiment of the multi-way valve provided by the utility model;

[0038] Fig. 9This is a schematic structural diagram of a valve body of a second embodiment of a multi-way valve provided by the utility model;

[0039] Fig.10 This is a schematic structural diagram of a valve core of a second embodiment of a multi-way valve provided by the utility model;

[0040] Fig.11 This is a schematic structural diagram of the valve core of the second embodiment of the multi-way valve provided by the utility model at another angle.

[0041] The symbols in the figure mean the following:

[0042] 100, multi-way valve; 10, valve body; 11, first valve port; 12, second valve port; 13, connector; 14, connecting pipe; 20, valve core; 21, first channel; 211, first section; 212, second section; 22, second channel; 23, rotating shaft; 231, sealing ring; 24, positioning shaft; 25, main body; 26, clamping plate; 27, elastic member; 28, sealing gasket; 29, retaining ring; 30, driving member. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0044] It should be noted that when a mechanism is referred to as being "fixed to" or "set on" another mechanism, it may be directly on the other mechanism or there may be a central mechanism. When a mechanism is considered to be "connected to" another mechanism, it may be directly connected to the other mechanism or there may be a central mechanism at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0046] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, a first feature being “above”, “above” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0047] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more related listed items.

[0048] In the existing thermal management system of electric vehicles, in order to achieve switching between a variety of different working conditions, multiple multi-way valves need to be used in conjunction, but the dispersed multi-way valves often occupy a large space, which is not conducive to the lightweight design of electric vehicles.

[0049] To address this, the present application provides a multi-way valve 100 that integrates multiple multi-way valves 100 , can switch between multiple flow paths through the rotation of the valve core 20 , simplify the pipeline layout, and realize multiple switching modes.

[0050] Embodiment 1

[0051] See also Figure 1-Figure 5The multi-way valve 100 includes a valve body 10 and a valve core 20. The valve body 10 is provided with at least one first valve port 11 and a plurality of second valve ports 12. The valve core 20 is installed in the valve body 10 and is coaxially arranged with the valve body 10. The valve core 20 can rotate around the axis. The valve core 20 is provided with a first channel 21 and a second channel 22 that are not connected to each other. The first channel 21 can be connected to at least one first valve port 11 and at least one second valve port 12, and the second channel 22 can be connected to at least two of the plurality of second valve ports 12. In this way, the valve body 10 is provided with at least one first valve port 11 and a plurality of second valve ports 12. The medium can flow in from any one of the first valve ports 11 and / or the second valve ports 12, and can also flow out from any one of the first valve ports 11 and / or the second valve ports 12. The first valve port 11 and the second valve port 12 provide channels for the medium to enter and exit the valve body 10. The valve core 20 is installed in the valve body 10 and is coaxially arranged with the valve body 10, so the rotation of the valve core 20 around its own axis is equivalent to the rotation around the axis of the valve body 10, and the rotation coordination with the valve body 10 is smoother, which is convenient for processing and assembly. The valve core 20 is provided with a first channel 21 and a second channel 22, and the first channel 21 can be connected with at least one first valve port 11 and at least one second valve port 12, so that the medium entering from at least one of the first valve port 11 and the second valve port 12 can flow into the first channel 21, and then flow to at least one of the first valve port 11 and the second valve port 12 through the first channel 21, thereby realizing the circulation of the medium. Similarly, the medium can also enter the second channel 22 from at least one of the multiple second valve ports 12, and then flow out from at least one of the multiple second valve ports 12 through the second channel 22. As the valve core 20 rotates, the first channel 21 can be connected to different first valve ports 11 and second valve ports 12, and the second channel 22 can also be connected to different second valve ports 12, thereby achieving switching between multiple flow paths through a multi-way valve 100, simplifying the pipeline layout, facilitating the integrated control of the thermal management system, and facilitating the lightweight design of electric vehicles.

[0052] See also Figure 4 In this embodiment, a groove is provided on the valve core 20, and the groove opening of the groove is open. The valve core 20 abuts against the valve body 10 and can abut against the first valve port 11 and / or the second valve port 12 on the valve body 10. The groove wall of the groove defines the above-mentioned first channel 21 and second channel 22. In this embodiment, the second channel 22 can also be set as a through-type through-groove structure, and the inner wall of the through-groove structure defines the second channel 22. The through-type setting is convenient for processing.

[0053] Further, the number of the first valve ports 11 is one or more. When the number of the first valve ports 11 is multiple, the multiple first valve ports 11 are arranged along the circumference of the valve body 10, and the adjacent first valve ports 11 are arranged at intervals. The multiple second valve ports 12 are arranged along the circumference of the valve body 10, and the adjacent second valve ports 12 are arranged at intervals. In this way, the first valve ports 11 and the second valve ports 12 are arranged along the circumference of the valve body 10, so they can be adapted to the rotating valve core 20, and the valve core 20 is convenient for controlling the communication between the circumferentially arranged first valve ports 11 and second valve ports 12. The adjacent first valve ports 11 and the adjacent second valve ports 12 are arranged at intervals, so the adjacent first valve ports 11 are not interconnected, and the adjacent second valve ports 12 are not interconnected. Therefore, the flow path switching can only be realized when the first channel 21 and the second channel 22 rotate to the specified position following the valve core 20.

[0054] The first channel 21 includes a first section 211 and a second section 212. The first section 211 forms an annular structure around the axis of the valve core 20. The second section 212 is connected to the first section 211 and is located radially outside the first section 211. In this way, the first section 211 is connected to the first valve port 11 due to its annular structure. The medium enters from the first valve port 11 and can enter the first section 211. Since the first section 211 and the second section 212 are connected, the medium can enter the second section 212 through the first section 211. Since the second section 212 is located radially outside the first section 211 and the second valve port 12 is also located radially outside the first valve port 11, the medium can flow from the second section 212 to at least one of the second valve ports 12, thereby achieving the communication between the first valve port 11, the first section 211, the second section 212 and the second valve port 12.

[0055] As the valve core 20 rotates, the first channel 21 can realize the switching between the first valve port 11 and different second valve ports 12, and realize the flow ratio adjustment between the first valve port 11 and two adjacent second valve ports 12. When there are multiple first valve ports 11, the first channel 21 can realize the switching between different first valve ports 11 and different second valve ports 12. The second channel 22 can realize the switching between two different second valve ports 12, and realize the flow ratio adjustment between three adjacent second valve ports 12.

[0056] The valve core 20 has a first position and a second position, and the valve core 20 can switch between the first position and the second position by rotating. When the valve core 20 is in the first position, the second channel 22 is connected to two adjacent second valve ports 12 at the same time. At this time, one of the two second valve ports 12 serves as the inlet of the medium, and the other serves as the outlet of the medium. The medium enters from one of the second valve ports 12, passes through the second channel 22, and then flows out from the other second valve port 12.

[0057] When the valve core 20 is in the second position, the second channel 22 is connected to three adjacent second valve ports 12 at the same time. At this time, the middle second valve port 12 serves as the inlet of the medium, and the two second valve ports 12 on both sides serve as the outlet of the medium.

[0058] The valve core 20 also has a third position and a fourth position, and the valve core 20 can be switched between the third position and the fourth position by rotating.

[0059] When the valve core 20 is in the third position, the first channel 21 is connected with at least one of the first valve port 11 and the second valve port 12. At this time, one of the first valve port 11 and the second valve port 12 serves as the inlet of the medium, and the medium enters from the inlet, flows through the first channel 21, and then flows out from the other of the first valve port 11 and the second valve port 12.

[0060] When the valve core 20 is in the fourth position, the first channel 21 is connected with at least one of the first valve ports 11 and the two adjacent second valve ports 12. At this time, the medium enters from the first valve port 11 or one of the two second valve ports 12 and flows out from the other two valve ports, or enters from the first valve port 11 and two of the two second valve ports 12 and flows out from the other valve port.

[0061] That is to say, in this embodiment, since the first channel 21 is always connected to at least one first valve port 11 and the four second valve ports 12 can be selectively connected, this embodiment is a five-way valve. In other embodiments, the multi-way valve 100 can also be set to a six-way valve, a seven-way valve, an eight-way valve or a nine-way valve, etc.

[0062] The first valve port 11 and the second valve port 12 are both opened on the side surface of one side of the valve body 10 in the axial direction. Correspondingly, at least two grooves are opened on the valve core 20. The groove openings of the two grooves are open, and the groove walls of the two grooves respectively define a first channel 21 and a second channel 22. In other words, the first channel 21 and the second channel 22 are both opened on the side surface of the valve core 20 facing the first valve port 11 and the second valve port 12, so as to facilitate mutual communication with the first valve port 11 and the second valve port 12.

[0063] In the first embodiment, the second channel 22 is an arc-shaped structure, and the second channel 22 is located radially outside the first section 211. In this way, the second channel 22 with an arc-shaped structure forms a communication relationship with the second valve port 12 distributed in a circumferential direction, and due to shape adaptation, the flow of the medium between the second channel 22 and the second valve port 12 is smoother.

[0064] In other embodiments, the second channel 22 may also be configured as a rectangular structure, a waist-shaped structure, etc., as long as it can be connected to the plurality of second valve ports 12 and is not limited to the above-mentioned arc structure.

[0065] Preferably, the second section 212 is an arc-shaped structure, and the center of the circle corresponding to the second section 212, the center of the circle corresponding to the second channel 22, and the center of the circle of the first section 211 are located on the same axis. In this way, the valve core 20 can rotate to align the first channel 21 and the second channel 22 with the corresponding first valve port 11 and the second valve port 12, respectively, so as to realize the circulation of the medium and the switching of the pipeline.

[0066] Specifically, see Figure 1 In this embodiment, four first valve ports 11 are provided on the valve body 10, and the four first valve ports 11 are arranged circumferentially around the axis of the valve core 20, and adjacent first valve ports 11 are arranged at intervals. Four second valve ports 12 are also provided on the valve body 10, and the four second valve ports 12 are located radially outside the four first valve ports 11. The first valve ports 11 and the second valve ports 12 are both configured as arc structures, and the centers of the first valve ports 11 and the second valve ports 12 are both located on the axis of the valve core 20, so that the four first valve ports 11 and the four second valve ports 12 are arranged in a circumferential array. The first section 211 is always connected with the four first valve ports 11, and the second section 212 can be connected with one or two of the second valve ports 12 (when the second section 212 is located between the two second valve ports 12, it can be connected with the two second valve ports 12 at the same time) as the valve core 20 rotates. Therefore, as the valve core 20 rotates, the first valve port 11 can be connected with the second valve port 12 connected with the second section 212 to realize the flow of the medium. When the first valve port 11 is connected with the two second valve ports 12 through the second section 212, the first valve port 11 can be used as the inlet of the medium, and the two second valve ports 12 can be used as the outlet of the medium. The fluid flow ratio between the two second valve ports 12 can be adjusted by rotating the valve core 20. The second channel 22 is also configured to be arc-shaped and is configured to correspond to the second valve ports 12 distributed in the circumferential direction. As the valve core 20 rotates, the second channel 22 can be connected to two adjacent second valve ports 12 or three adjacent second valve ports 12. When the second channel 22 is connected to two second valve ports 12, one of the second valve ports 12 serves as the inlet of the medium and the other second valve port 12 serves as the outlet of the medium. When the second channel 22 is connected to three adjacent second valve ports 12 at the same time, the second valve port 12 in the middle serves as the inlet of the medium and the two second valve ports 12 on both sides serve as the outlet of the medium. By rotating the valve core 20, the fluid flow ratio between the two outlets is adjusted. Of course, in other embodiments, the inlet and outlet can also be interchanged, and are not limited to the above-mentioned implementation scheme.

[0067] The multi-way valve 100 also includes a driving member 30, which is connected to the valve body 10. The valve core 20 includes a rotating shaft 23, a positioning shaft 24 and a main body 25. One end of the rotating shaft 23 is connected to the driving member 30, and the other end is rotatably connected to the positioning shaft 24. The end of the positioning shaft 24 away from the rotating shaft 23 is fixedly connected to the valve body 10, and the main body 25 is connected to the outer peripheral side of the rotating shaft 23; the rotating shaft 23, the positioning shaft 24 and the main body 25 are all coaxially arranged, and the first channel 21 and the second channel 22 are both opened on the main body 25.

[0068] In this way, the driving member 30 is connected to the valve body 10, and its position is relatively fixed. One end of the rotating shaft 23 is connected to the driving member 30, so the driving member 30 can drive the rotating shaft 23 to rotate, and the other end of the rotating shaft 23 is rotatably connected to the positioning shaft 24, so the rotating shaft 23 can rotate relative to the positioning shaft 24. The positioning shaft 24 is fixedly connected to the valve body 10, so the position of the positioning shaft 24 is relatively fixed. The positioning shaft 24 is coaxially arranged with the rotating shaft 23, so the positioning shaft 24 can limit the rotation of the rotating shaft 23, prevent the rotating shaft 23 from shaking when rotating, and make its rotation more stable. The body 25 is connected to the outer peripheral side of the rotating shaft 23, so the rotating shaft 23 will drive the body 25 to rotate when rotating, so that the first channel 21 and the second channel 22 on the body 25 are connected to different first valve ports 11 and / or second valve ports 12.

[0069] In this embodiment, the driving member 30 is configured as an actuator, and the actuator is provided with a motor and a control panel capable of controlling the rotation of the rotating shaft 23 .

[0070] A sealing ring 231 is provided between the rotating shaft 23 and the valve body 10 to improve the sealing performance between the rotating shaft 23 and the valve body 10 and prevent medium leakage.

[0071] The diameter of the end of the rotating shaft 23 away from the driving member is larger than the diameter of the end of the rotating shaft 23 connected to the driving member 30, so the connection area between the rotating shaft 23 and the body 25 is larger, which improves the connection strength and also facilitates the layout of other structures.

[0072] The valve core 20 further includes a clamping plate 26 and an elastic member 27. The clamping plate 26 is connected to the outer peripheral side of the positioning shaft 24. One end of the elastic member 27 abuts against the clamping plate 26, and the other end abuts against the body 25. In this way, since the clamping plate 26 is connected to the positioning shaft 24 and the relative position of the positioning shaft 24 is fixed, the position of the clamping plate 26 can also be fixed. One end of the elastic member 27 abuts against the clamping plate 26, and the position of the end is stable. The other end releases elastic potential energy in a direction away from the clamping plate 26, thereby abutting the body 25 in the opposite direction, so that the relative position relationship between the body 25 and the valve body 10 is stable, the connection is tighter, and the body 25 is prevented from loosening during the circulation of the medium.

[0073] Furthermore, a mounting groove (not shown in the figure) is formed on the outer peripheral side of the positioning shaft 24, and a snap ring 29 is embedded in the mounting groove. The snap ring 29 abuts against the clamping plate 26, so that the relative position of the clamping plate 26 is fixed.

[0074] Of course, in other embodiments, the limiting clamping plate 26 may not be fixed by the mounting groove and the clamping ring 29 , but the clamping plate 26 may be directly welded or bonded to the positioning shaft 24 .

[0075] A sealing gasket 28 is provided between the main body 25 and the valve body 10 . One side of the sealing gasket 28 abuts against a side of the main body 25 away from the driving member, and the other side abuts against an inner wall of the valve body 10 , thereby improving the sealing between the main body 25 and the valve body 10 .

[0076] The working mode of this embodiment is as follows: taking the four first valve ports 11 and the four second valve ports 12 provided on the valve body 10 as an example, as described in detail above, the switching of different flow paths can be achieved with the rotation of the valve core 20. Since in this embodiment, there are four first valve ports 11 and four second valve ports 12, when they are evenly distributed along the circumference, the central angle of each first valve port 11 is 90°, and the central angle of each second valve port 12 is also 90°.

[0077] See also Figure 5 The four first valve ports 11 are valve port B1, valve port B2, valve port B3, and valve port B4, and the four second valve ports are valve port A, valve port C, valve port D, and valve port E.

[0078] When the valve core 20 is at the initial position 0°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port E through the first channel 21; the valve port C is connected to the valve port D through the second channel 22.

[0079] When the valve core 20 rotates 45°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port E through the first channel 21; the valve port D is connected to the valve port A through the second channel 22.

[0080] When the valve core 20 is between 0° and 45°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port E through the first channel 21, and the valve ports D, A, and C are connected through the second channel 22.

[0081] When the valve core 20 rotates 90°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port C through the first channel 21, and the valve port A is connected to the valve port D through the second channel 22.

[0082] When the valve core 20 rotates 135°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port C through the first channel 21, and the valve port A is connected to the valve port E through the second channel 22.

[0083] When the valve core 20 is between 90° and 135°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port C through the first channel 21, and the valve ports A, D, and E are connected through the second channel 22.

[0084] When the valve core 20 rotates 180°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port D through the first channel 21, and the valve port A is connected to the valve port E through the second channel 22.

[0085] When the valve core 20 rotates 225°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port D through the first channel 21, and the valve port C is connected to the valve port E through the second channel 22.

[0086] When the valve core 20 is between 180° and 225°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port D through the first channel 21, and the valve ports A, C, and E are connected through the second channel 22.

[0087] When the valve core 20 rotates 270°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port A through the first channel 21, and the valve port C is connected to the valve port E through the second channel 22.

[0088] When the valve core 20 rotates 315°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port A through the first channel 21, and the valve port C is connected to the valve port D through the second channel 22.

[0089] When the valve core 20 is between 270° and 315°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve port A through the first channel 21, and the valve ports C, D, and E are connected to the valve port A through the second channel 22.

[0090] When the valve core 20 is between 315° and 0°, the conduction mode of the multi-way valve is: at least one of the valve ports B1, B2, B3, and B4 is connected to the valve ports A and E through the first channel 21, and the valve port C is connected to the valve port D through the second channel 22.

[0091] Embodiment 2

[0092] See also Figure 6-Figure 7 Compared with the first embodiment, the second embodiment is different in that the second section 212 and the second channel 22 are both located radially inside the first section 211. The valve body 10 is provided with four first valve ports 11, which are arranged circumferentially around the axis of the valve core 20, and adjacent first valve ports 11 are arranged at intervals. The valve body 10 is also provided with four second valve ports 12, which are arranged circumferentially around the axis of the valve core 20. The four second valve ports 12 are located radially inside the four first valve ports 11.

[0093] Embodiment 3

[0094] See also Figure 8-Figure 11 In the third embodiment, the difference from the first embodiment is that the first valve port 11 is opened on one side of the valve body 10 in the axial direction, the second valve port 12 is opened on the outer side of the valve body 10 in the circumferential direction, and the first channel 21 also includes a first section 211 and a second section 212, and the first section 211 is cylindrical. Correspondingly, the second channel 22 and the second section 212 are opened between the two side surfaces of the valve core 20 in the axial direction, and are arranged at intervals between the two side surfaces of the valve core 20 in the axial direction to form a flow channel structure located inside the valve core 20. Among them, the first section 211 runs through at least one side of the valve core 20 and communicates with the first valve port 11. The relative positions of the first valve port 11 and the second valve port 12 on the valve body 10 remain stationary. As the valve core 20 rotates, the first section 211 of the first channel 21 is always connected to the first valve port 11, and the second section 212 of the first channel 21 is connected to one or more of the second valve ports 12 opened on the outer peripheral side of the valve body 10 as the valve core rotates, thereby realizing the switching of the flow path or the flow ratio adjustment between multiple second valve ports 12.

[0095] Four second valve ports 12 are provided on the outer peripheral side of the valve body 10 , and four connectors 13 are provided on the outer peripheral side of the valve body 10 , each connector 13 is connected to the second valve port 12 , and four connecting pipes 14 are also provided and are respectively connected to the connectors 13 , so that the medium inside the valve body 10 can flow out of the multi-way valve 100 through the second valve ports 12 and the connecting pipes 14 .

[0096] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0097] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A multi-way valve, characterized in that The multi-way valve comprises: A valve body (10), wherein the valve body (10) is provided with a first valve port (11) and a second valve port (12); A valve core (20), wherein the valve core (20) is installed in the valve body (10) and is coaxially arranged with the valve body (10), the valve core (20) is capable of rotating around an axis, and the valve core (20) is provided with a first channel (21) and a second channel (22) which are not connected to each other, the first channel (21) is capable of communicating with at least one of the first valve ports (11) and at least one of the second valve ports (12), and the second valve port (12) is capable of communicating with at least two of a plurality of the second valve ports (12).

2. The multi-way valve according to claim 1, characterized in that: The valve core (20) has a first position and a second position, and the valve core (20) can be switched between the first position and the second position by rotating; Wherein, when the valve core (20) is in the first position, the second channel (22) is simultaneously connected to two adjacent second valve ports (12); When the valve core (20) is in the second position, the second channel (22) is simultaneously in communication with at least three adjacent second valve ports (12).

3. The multi-way valve according to claim 1, characterized in that: The valve core (20) has a third position and a fourth position, and the valve core (20) can be switched between the third position and the fourth position by rotating; When the valve core (20) is in a third position, the first passage (21) is in communication with at least one of the first valve ports (11) and one of the second valve ports (12); When the valve core (20) is in a fourth position, the first passage (21) is in communication with at least one of the first valve ports (11) and at least two adjacent second valve ports (12).

4. The multi-way valve according to claim 1, characterized in that: The first valve port (11) and the second valve port (12) are both opened on one side of the valve body (10) in the axial direction; or, The first valve port (11) is opened on one side of the valve body (10) in the axial direction, and the second valve port (12) is opened on the outer side surface of the valve body (10) in the circumferential direction.

5. The multi-way valve according to claim 4, characterized in that: A plurality of the first valve ports (11) are arranged along the circumference of the valve body (10), and adjacent first valve ports (11) are arranged at intervals; A plurality of the second valve ports (12) are arranged along the circumference of the valve body (10), adjacent second valve ports (12) are arranged at intervals, and the second valve ports (12) and the first valve ports (11) are arranged along the radial direction of the valve body (10).

6. The multi-way valve according to claim 1, characterized in that: The first channel (21) comprises a first section (211) and a second section (212); the first section (211) forms an annular structure around the axis of the valve core (20); the second section (212) is connected to the first section (211); the second channel (22) and the second section (212) are both located radially outside the first section (211).

7. The multi-way valve according to claim 1, characterized in that: The first channel (21) comprises a first section (211) and a second section (212); the first section (211) forms an annular structure around the axis of the valve core (20); the second section (212) is connected to the first section (211); the second channel (22) and the second section (212) are both located radially inward of the first section (211).

8. The multi-way valve according to claim 6, characterized in that: The valve core (20) is provided with at least two grooves, and the groove openings of the two grooves are open; one of the grooves corresponds to the first valve opening (11), and the other groove corresponds to both the first valve opening (11) and the second valve opening (12); the groove walls of the two grooves define the first channel (21) and the second channel (22) respectively; or, The second channel (22) and the second section (212) are opened between two axial side surfaces of the valve core (20), and are arranged at intervals between the two axial side surfaces of the valve core (20); the first section (211) passes through at least one side of the valve core (20) and is connected to the first valve port (11).

9. The multi-way valve according to claim 8, characterized in that: The second channel (22) is arranged in an arc shape and penetrates the valve core (20) along the axial direction of the valve core (20).

10. The multi-way valve according to claim 1, characterized in that: The multi-way valve further comprises a driving member (30), wherein the driving member (30) is connected to the valve body (10), and the valve core (20) comprises a rotating shaft (23), a positioning shaft (24) and a body (25), wherein one end of the rotating shaft (23) is connected to the driving member (30), and the other end is rotatably connected to the positioning shaft (24), an end of the positioning shaft (24) away from the rotating shaft (23) is fixedly connected to the valve body (10), and the body (25) is connected to the outer peripheral side of the rotating shaft (23); The rotating shaft (23), the positioning shaft (24) and the body (25) are all coaxially arranged, and the first channel (21) and the second channel (22) are both opened on the body (25).

11. A multi-way valve, characterized in that: The multi-way valve comprises: A valve body (10), wherein the valve body (10) is provided with a first valve port (11) and a second valve port (12); A valve core (20), the valve core (20) being installed in the valve body (10) and being coaxially arranged with the valve body (10), the valve core (20) being rotatable about an axis, the valve core (20) being provided with a first channel (21) and a second channel (22) which are not connected to each other; the valve core (20) being rotatably arranged to switch the multi-way valve to any one conduction mode; The first valve port (11) includes a valve port B, and the second valve port (12) includes a valve port A, a valve port C, a valve port D and a valve port E arranged in sequence; the conduction mode of the multi-way valve includes at least three conduction modes.

12. The multi-way valve according to claim 11, characterized in that: The conduction mode includes a first conduction mode, a second conduction mode and a third conduction mode; When the multi-way valve is in the first conduction mode, the valve port B is connected to the valve port E through the first channel (21), and the valve port C is connected to the valve port D through the second channel (22); When the multi-way valve is in the second conduction mode, the valve port B is connected to the valve port E through the first channel (21); the valve port D is connected to the valve port A through the second channel (22); When the multi-way valve is in the third conduction mode, the valve port B is connected to the valve port E through the first channel (21), and the valve port D, the valve port A, and the valve port C are connected through the second channel (22).

13. The multi-way valve according to claim 12, characterized in that: The conduction mode further includes a fourth conduction mode, a fifth conduction mode and a sixth conduction mode; When the multi-way valve is in the fourth conduction mode, the valve port B is connected to the valve port C through the first channel (21), and the valve port A is connected to the valve port D through the second channel (22); When the multi-way valve is in the fifth conduction mode, the valve port B is connected to the valve port C through the first channel (21), and the valve port A is connected to the valve port E through the second channel (22); When the multi-way valve is in the sixth conduction mode, the valve port B is connected to the valve port C through the first channel (21), and the valve port A, the valve port D, and the valve port E are connected through the second channel (22).

14. The multi-way valve according to claim 13, characterized in that: The conduction mode further includes a seventh conduction mode, an eighth conduction mode and a ninth conduction mode; When the multi-way valve is in the seventh conduction mode, the valve port B is connected to the valve port D through the first channel (21), and the valve port A is connected to the valve port E through the second channel (22); When the multi-way valve is in the eighth conduction mode, the valve port B is connected to the valve port D through the first channel (21), and the valve port C is connected to the valve port E through the second channel (22); When the multi-way valve is in the ninth conduction mode, the valve port B is connected to the valve port D through the first channel (21), and the valve port A, the valve port C, and the valve port E are connected through the second channel (22).

15. The multi-way valve according to claim 14, characterized in that: The conduction mode further includes a tenth conduction mode, an eleventh conduction mode, a twelfth conduction mode, and a thirteenth conduction mode; When the multi-way valve is in the tenth conduction mode, the valve port B is connected to the valve port A through the first channel (21), and the valve port C is connected to the valve port E through the second channel (22); When the multi-way valve is in the eleventh conduction mode, the valve port B is connected to the valve port A through the first channel (21), and the valve port C is connected to the valve port D through the second channel (22); When the multi-way valve is in the thirteenth conduction mode, the valve port B is connected to the valve port A through the first channel (21), and the valve port C, the valve port D, and the valve port E are connected to through the second channel (22); When the multi-way valve is in the fourteenth conduction mode, the valve port B is communicated with the valve port A and the valve port E through the first channel (21), and the valve port C is communicated with the valve port D through the second channel (22).

16. The multi-way valve according to claim 15, characterized in that: When the multi-way valve is in the first conduction mode, the second conduction mode, the fourth conduction mode, the fifth conduction mode, the seventh conduction mode, the eighth conduction mode, the tenth conduction mode and the eleventh conduction mode, the corresponding rotation angles of the valve core (20) are 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315° respectively.

17. The multi-way valve according to claim 15, characterized in that: When the multi-way valve is in the third conduction mode, the sixth conduction mode, the ninth conduction mode, the twelfth conduction mode and the thirteenth conduction mode, the corresponding rotation angles of the valve core (20) are between 0°-45°, between 90°-135°, between 180°-225°, between 270°-315° and between 315°-0° respectively.

Images