Multi-way valve

Abstract

A multi-way valve includes a valve seat (20) and a valve body (10), the valve body (10) is rotatably mounted on the valve seat (20), the valve seat (20) is provided with a plurality of valve port groups, each of which includes a plurality of valve ports, the valve body (10) is provided with a conductive structure group corresponding to the valve port groups, each of which includes a plurality of conductive structures arranged along the circumferential direction. When the valve body (10) is rotated to different rotation positions, the valve ports of the different valve port groups are realized to form different conductive states. Two-way proportional valves, three-way proportional valves, and four-way proportional valves can be realized to form different conductive states with only one valve body (10), and are simple to control, compact in structure, and low in cost.

Description

[Technical field]

[0001] The present invention relates to the technical field of control valves, and in particular to multi-way valves. [Background technology]

[0002] In order to improve the driving range of electric vehicles, various modes must be realized, such as heating the battery using an electric heater for the coolant, dissipating heat from the battery and drive system via a heat sink, and heating the battery using waste heat from the drive system.

[0003] In order to improve the driving range of electric vehicles, the coolant circuits of existing thermal management systems are unable to realize the above-mentioned multiple modes with a single proportional valve, and require a combination of proportional valves, such as a two-way proportional valve, a three-way proportional valve, and a four-way proportional valve, to realize the above-mentioned multiple modes. Summary of the Invention [Problem to be solved by the invention]

[0004] In the existing technology, two-way proportional valves, three-way proportional valves, and four-way proportional valves need to be controlled by multiple valve bodies, which takes up a lot of space, is complicated to control, and is expensive. [Means for solving the problem]

[0005] The multi-way valve according to the present invention includes a valve seat and a valve element rotatably provided within the valve seat, the valve element having a plurality of rotational positions, the valve seat being provided with a plurality of valve port groups, each of the valve port groups including a plurality of valve ports, the valve element being provided with a group of conductive structures respectively corresponding to each of the valve port groups, and each of the conductive structure groups being: The valve body A plurality of conductive structures are provided along a circumferential direction, Conductive structure group When the valve body is rotated to a different rotation position, Conductive structure group The different conductive structures are configured to cooperate with corresponding port groups to cause the ports of the port groups to form different conductive states. Effect of the Invention

[0006] The technical effects of the present invention are as follows: a valve body is rotatably mounted on a valve seat, the valve seat is provided with a plurality of valve port groups, each of the valve port groups includes a plurality of valve ports, the valve body is provided with a group of conductive structures corresponding to the group of valve ports, and the group of conductive structures includes The valve body The valve disc includes a plurality of conductive structures arranged along the circumferential direction. When the valve disc is rotated to different rotation positions, the valve ports of different valve port groups are realized to form different conductive states. Only one valve disc can realize multiple valve port groups to form different conductive states, which is simple to control, has a compact structure, and is low cost. [Brief description of the drawings]

[0007] [Figure 1] FIG. 2 is a structural schematic diagram of a multi-way valve provided by an embodiment of the present invention; [Diagram 2] FIG. 2 is an assembly schematic diagram of a valve body and a driving device provided according to an embodiment of the present invention. [Diagram 3] FIG. 2 is a schematic diagram of a C-shaped structure provided by an embodiment of the present invention. [Figure 4] FIG. 2 is a schematic diagram of a double C-shaped structure provided by an embodiment of the present invention. [Diagram 5] 1 is a schematic diagram of a straight-shaped and L-shaped structure in the related art. FIG. [Figure 6] FIG. 2 is a schematic diagram of the flow path principle of a two-way proportional valve provided by an embodiment of the present invention; [Figure 7] FIG. 2 is a schematic diagram of the flow path principle of a three-way proportional valve provided by an embodiment of the present invention; [Figure 8] FIG. 2 is a schematic diagram of the flow path principle of a four-way proportional valve provided by an embodiment of the present invention; [Figure 9] FIG. 2 is a structural schematic diagram of an injection molding die provided by an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] In order to improve the driving range of an electric vehicle, it is necessary to realize various modes, such as heating the battery by an electric heater in the coolant, dissipating heat from the battery and drive system via a heat sink, and heating the battery using waste heat from the drive system. In order to improve the driving range of an electric vehicle, the coolant circuit of an existing thermal management system cannot realize the above-mentioned multiple modes with a single proportional valve, and in order to realize the above-mentioned multiple modes, a combination of proportional valves such as a two-way proportional valve, a three-way proportional valve, and a four-way proportional valve is required. In the existing technology, the two-way proportional valve, the three-way proportional valve, and the four-way proportional valve need to be controlled by multiple valve bodies, which takes up a lot of space, is complicated to control, and is expensive.

[0009] In order to solve the above problems, the present invention provides a multi-way valve, in which a valve body is rotatably mounted on a valve seat, a plurality of valve port groups are provided on the valve seat, each of the valve port groups includes a plurality of valve ports, and a group of conductive structures is provided on the valve body corresponding to the valve port groups, and the group of conductive structures is The valve body The valve element further includes a plurality of conductive structures arranged along the circumferential direction, and when the valve element is rotated to different rotation positions, the valve elements of the different valve orifice groups are realized to form different conductive states. A single valve element can realize a plurality of valve orifice groups to form different conductive states, which is easy to control, has a compact structure, and is low cost.

[0010] In order to make the above objectives, features and advantages of the embodiments of the present invention more clear and understandable, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and are not all of the embodiments. Based on the embodiments of the present invention, all other embodiments that a person skilled in the art can obtain without inventive ideas belong to the protection scope of the present invention.

[0011] Hereinafter, a multi-way valve according to an embodiment of the present invention will be described with reference to the drawings.

[0012] 1, which is a structural schematic diagram of a multi-way valve provided by an embodiment of the present invention. The multi-way valve 100 includes a valve seat 20 and a valve body 10 rotatably mounted in the valve seat 20, the valve body 10 having a plurality of rotation positions, the valve seat 20 is provided with a plurality of valve port groups, each valve port group includes a plurality of valve ports, the valve body 10 is provided with a corresponding conductive structure group for each valve port group, and each conductive structure group includes: The valve body A plurality of conductive structures are provided along a circumferential direction, Conductive structure group When the valve body 10 is rotated to a different rotational position, Conductive structure group The different conductive structures are configured to cooperate with corresponding ports in the group to cause the ports in the group to form different conductive states.

[0013] The valve body 10 is rotatably mounted on the valve seat 20, and a plurality of valve port groups are provided on the valve seat 20, each of which includes a plurality of valve ports. The valve body 10 is provided with a conductive structure group corresponding to the valve port group, and the conductive structure group includes: The valve body The valve body 10 further includes a plurality of conductive structures arranged along the circumferential direction. When the valve body 10 is rotated to different rotation positions, the valve ports of different valve port groups are realized to form different conductive states. A single valve body 10 can realize a plurality of valve port groups to form different conductive states, which is simple to control, has a compact structure, and is low cost.

[0014] In an optional embodiment, referring to Fig. 2, Fig. 2 is an assembly schematic diagram of a valve body and a driving device provided by an embodiment of the present invention. The plurality of valve port groups includes a first valve port group, and the plurality of valve ports of the first valve port group include a first valve port 21, a second valve port 22, a third valve port 23 and a fourth valve port 24 arranged at four corners. The four valve ports of the first valve port group correspond to a four-way proportional valve, and can realize that the first valve port 21 communicates with the second valve port 22, the first valve port 21 communicates with the fourth valve port 24, the second valve port 22 communicates with the third valve port 23, and the third valve port 23 communicates with the fourth valve port 24.

[0015] The four valve ports of the first valve port group are arranged at the four corners to form different conductive states of the first valve port group. The plurality of conductive structure groups include a first conductive structure group, and the first conductive structure group includes a first conductive structure 11 and a second conductive structure 12 arranged along the circumferential direction of the valve body 10. The first conductive structure 11 is provided on the outer peripheral surface of the valve body 10. Zhou The valve body 10 includes two first grooves spaced apart from each other along the direction of the valve body 10. shaft The second conductive structure 12 is provided on the outer circumferential surface of the valve body 10 and extends along the direction of the valve body 10. shaft The valve body 10 includes two second grooves spaced apart from each other along the direction of the valve body 10. Zhou When the valve disc 10 rotates so that the first conduit structure 11 cooperates with the first valve orifice group, the two first grooves of the first conduit structure 11 respectively communicate the first valve orifice 21 with the second valve orifice 22 and communicate the third valve orifice 23 with the fourth valve orifice 24. When the valve disc 10 rotates so that the second conduit structure 12 cooperates with the first valve orifice group, the two second grooves of the second conduit structure 12 respectively communicate the first valve orifice 21 with the fourth valve orifice 24 and communicate the second valve orifice 22 with the third valve orifice 23.

[0016] The first valve orifice group on the valve body 10 is connected to the first conductive structure group on the valve seat 20. The first conductive structure or the second conductive structure , the first valve port 21 can communicate with the second valve port 22, the first valve port 21 can communicate with the fourth valve port 24, the second valve port 22 can communicate with the third valve port 23, and the third valve port 23 can communicate with the fourth valve port 24. Referring to Fig. 8, Fig. 8 is a schematic diagram of the flow path principle of a four-way proportional valve provided by an embodiment of the present invention, in which the first valve port group is a first conductive structure group, The first conductive structure or the second conductive structure This is equivalent to achieving the function of a four-way proportional valve by working in cooperation with the

[0017] In an optional embodiment, the plurality of valve orifices includes a second valve orifice group, the second valve orifice group including a fifth valve orifice 25 and a sixth valve orifice 26 spaced apart along the axial direction of the valve body 10. The fifth valve orifice 25 communicates with the sixth valve orifice 26, orBoth the fifth valve port 25 and the sixth valve port 26 are closed. The two valve ports of the second valve port group correspond to a two-way proportional valve.

[0018] The plurality of conduit structure groups include a second conduit structure group, and the second conduit structure group includes a third conduit structure 13 and a blocking structure 16 arranged along the circumferential direction of the valve body 10. In order to communicate the fifth valve port 25 with the sixth valve port 26, in an optional embodiment, the third conduit structure 13 includes two third grooves provided on the outer circumferential surface of the valve body 10 and arranged at intervals along the axial direction of the valve body 10, and a first passage connecting the groove bottoms of the two third grooves. When the valve body 10 rotates so that the third conduit structure 13 cooperates with the second valve port group, the two third grooves of the third conduit structure 13 cooperate with the fifth valve port 25 and the sixth valve port 26, respectively, to connect the fifth valve port 25 with the sixth valve port 26. Since the fifth valve orifice 25 and the sixth valve orifice 26 are blocked, when the valve body 10 rotates so that the blocking structure 16 cooperates with the second valve orifice group, the blocking structure 16 blocks the fifth valve orifice 25 and the sixth valve orifice 26.

[0019] The second valve port group on the valve body 10 can cooperate with the second conductive structure group on the valve seat 20 to realize that the fifth valve port 25 and the sixth valve port 26 communicate with each other, and the fifth valve port 25 and the sixth valve port 26 are both closed. Referring to Fig. 6, Fig. 6 is a schematic diagram of the flow path principle of a two-way proportional valve provided by an embodiment of the present invention, and the two valve ports of the second valve port group are equivalent to realizing the function of a two-way proportional valve.

[0020] As a matter of explanation, the blocking structure 16 may be provided as any structure capable of blocking the fifth valve orifice 25 and the sixth valve orifice 26. In one optional embodiment, the blocking structure 16 may be a groove provided on the outer circumferential surface of the valve body 10 and arranged along the circumferential direction of the valve body 10. The blocking structure 16 may be composed of the outer circumferential surface of the valve body 10.

[0021] The multiple valve port groups include a third valve port group, which includes an eighth valve port 28, a seventh valve port 27, and a ninth valve port 29 spaced apart along the axial direction of the valve body 10. It is necessary to realize that the eighth valve port 28 communicates with the seventh valve port 27, and that the eighth valve port 28 communicates with the ninth valve port 29. The three valve ports of the third valve port group correspond to a three-way proportional valve.

[0022] The plurality of conductive structure groups include a third conductive structure group, which includes a fourth conductive structure 14 and a fifth conductive structure 15 arranged along the circumferential direction of the valve body 10. In order to communicate the eighth valve port 28 and the ninth valve port 29 arranged at an interval, in one optional embodiment, the fourth conductive structure 14 is provided on the outer circumferential surface of the valve body 10 and includes two fourth grooves arranged at an interval along the axial direction of the valve body 10, and a fourth conductive structure 15 that communicates the groove bottoms of the two fourth grooves. 2 The fifth conduit structure 15 includes a fifth groove extending along the axial direction of the valve body 10 to communicate the eighth valve orifice 28 with the seventh valve orifice 27. When the valve body 10 is rotated so that the fourth conduit structure 14 cooperates with the third valve orifice group, the two fourth grooves of the fourth conduit structure 14 communicate with the eighth valve orifice 28 and the seventh valve orifice 27. 9 The mouthpiece 29 and communicate the eighth valve port 28 with the seventh valve port 27. When the valve body 10 is rotated so that the fifth conduit structure 15 cooperates with the third valve port group, the fifth groove of the fifth conduit structure 15 communicates the eighth valve port 28 with the seventh valve port 27. 7 The mouthpiece 27 To communicate with.

[0023] The third valve port group on the valve body 10 can cooperate with the third connecting structure group on the valve seat 20 to realize the eighth valve port 28 communicating with the seventh valve port 27, and the eighth valve port 28 communicating with the ninth valve port 29. Referring to Fig. 7, Fig. 7 is a schematic diagram of the flow path principle of a three-way proportional valve provided by an embodiment of the present invention, where the three valve ports of the third valve port group correspond to a three-way proportional valve.

[0024] A first valve port 21, a second valve port 22, a third valve port 23, and a fourth valve port 24 of the first valve port group, and a fifth valve port 25 of the second valve port group. andThe sixth valve port 26 and the third valve port group 7th orifice 27, The eighth valve port 28 and the ninth valve port 29 are concentrated on the same side of the valve seat 20, which is convenient for arranging the pipe 40 and saves space.

[0025] The third conductive structure 13 of the second conductive structure group and the fourth conductive structure 14 of the third conductive structure group are used to communicate two valve ports spaced apart on the valve seat 20, and the third conductive structure 13 and the fourth conductive structure 14 may be provided in any structure that can satisfy the above requirements. In one optional embodiment, the third conductive structure 13 and the fourth conductive structure 14 have the same structure, and the third conductive structure 13 and the fourth conductive structure 14 include two grooves provided on the outer circumferential surface of the valve body 10 and spaced apart along the axial direction of the valve body 10, and a passage that communicates the groove bottoms of the two grooves.

[0026] In one optional embodiment, the third conductive structure 13 and the fourth conductive structure 14 are one structure, and the third conductive structure 13 may be used as the fourth conductive structure 14, the fourth conductive structure 14 may be used as the third conductive structure 13, or the third conductive structure 13 and the fourth conductive structure 14 may be shared.

[0027] In one optional embodiment, the eighth valve port 28 and the fifth valve port 25 are located at the same axial position of the valve body 10, and the eighth valve port 28 and the fifth valve port 25 are spaced apart along the circumferential direction of the valve body 10, and the ninth valve port 29 and the sixth valve port 26 are located at the same axial position of the valve body 10, and the ninth valve port 29 and the sixth valve port 26 are spaced apart along the circumferential direction of the valve body 10. Since the third conduit structure 13 and the fourth conduit structure 14 have the same structure, with this arrangement, when the valve body 10 is rotated to different predetermined positions, the eighth valve port 28 and the ninth valve port 29 may cooperate with the fourth conduit structure 14 or may cooperate with the third conduit structure 13, and the fifth valve port 25 and the sixth valve port 26 may cooperate with the third conduit structure 13 or may cooperate with the fourth conduit structure 14. Since the third conduit structure 13 and the fourth conduit structure 14 have the same function and structure, the third conduit structure 13 and the fourth conduit structure 14 may be shared, providing the valve body 10 with excellent versatility.

[0028] The third conductive structure 13 and the fourth conductive structure 14 are used to communicate two grooves spaced apart on the valve body 10. Referring to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is a schematic diagram of a C-shaped structure provided by an embodiment of the present invention, Fig. 4 is a schematic diagram of a double C-shaped structure provided by an embodiment of the present invention, and Fig. 5 is a schematic diagram of a line-shaped and L-shaped structure in the related art. The line-shaped structure 51 in the related art is for realizing communication between two connected grooves, and the L-shaped structure 52 is for realizing communication between grooves arranged at right angles. In one optional embodiment, the third conductive structure 13 and the fourth conductive structure 14 may be provided as a C-shaped structure 50 having two ends for communicating two grooves. A blocking structure 16 may be provided in the middle of the combination of the two C-shaped structures 50. The two C-shaped structures 50 may be used to close the seventh valve orifice 27 while the intermediate closure structure 16 connects the fifth valve orifice 25 with the sixth valve orifice 26, and the eighth valve orifice 28 with the ninth valve orifice 29.

[0029] Alternatively, the C-shaped structure 50 adopts an injection molding process, which is fast and efficient in production and easy to form parts with complex shapes. Referring to FIG. 9, FIG. 9 is a structural schematic diagram of an injection mold provided by an embodiment of the present invention. The injection mold 60 used includes a first mold 61 and a second mold 62. The first mold 61 uses a C-shaped ring slider, and the second mold 62 uses a straight slider. During the injection molding process, the first mold 61 communicates with the second mold 62. After the injection molding is completed, the mold is removed, and the first mold 61 moves along a horizontal line to the side away from the third conductive structure 13, and the second mold 62 moves to rotate around a circumference.

[0030] figure 1 1, the seventh valve port 27 has a narrow width in the axial direction of the valve body 10, and in order to prevent the flow area of ​​the seventh valve port 27 from becoming small, in one optional embodiment, the seventh valve port 27 extends along the circumferential direction of the valve body 10 to between the fifth valve port 25 and the sixth valve port 26.

[0031] On the outer peripheral surface of the valve body 10, a first row of conductive structure groups, a second row of conductive structure groups, a third row of conductive structure groups, a fourth row of conductive structure groups, a fifth row of conductive structure groups, a sixth row of conductive structure groups, a seventh row of conductive structure groups, an eighth row of conductive structure groups, a ninth row of conductive structure groups, and a tenth row of conductive structure groups are arranged in this order along the circumferential direction of the valve body. The first row of conductive structure groups includes a fifth conductive structure 15, a blocking structure 16, and a first groove of the first conductive structure 11 provided at intervals along the axial direction of the valve body 10. The second row of conductive structure groups includes three conductive structures arranged along the axial direction of the valve body 10. The third row of conduit structure groups includes a fifth conduit structure 15, a blocking structure 16, and a first groove of the first conduit structure 11 that are spaced apart from each other along the axial direction of the valve body 10. The fourth row of conduit structure groups includes a third conduit structure 13, a blocking structure 16, and a first groove of the first conduit structure 11 that are spaced apart from each other along the axial direction of the valve body 10. The blocking structure 16 is located between the two third grooves of the third conduit structure 13. The fifth row of conduit structure groups includes a fifth conduit structure 15, a blocking structure 16, and a first groove of the first conduit structure 11 that are spaced apart from each other along the axial direction of the valve body 10. The fourth conduit structure 14, the blocking structure 16 and the first groove of the first conduit structure 11 are spaced apart along the axial direction of the valve body 10, and the blocking structure 16 is located between the two fourth grooves of the fourth conduit structure 14. The sixth row of conduit structure groups includes three blocking structures 16 and another first groove of the first conduit structure 11 spaced apart along the axial direction of the valve body 10. The seventh row of conduit structure groups includes a fifth conduit structure 15, the blocking structure 16 and the second conduit structure 12 spaced apart along the axial direction of the valve body 10. The eighth row of conduit structure groups includes a fifth conduit structure 15, the blocking structure 16 and the second conduit structure 12 spaced apart along the axial direction of the valve body 10. The third continuity structure 13, the blocking structure 16, and the second continuity structure 12 are spaced apart from each other, with the blocking structure 16 located between the two third grooves of the third continuity structure 13, the ninth continuity structure group is provided with the fourth continuity structure 14, the blocking structure 16, and the second continuity structure 12 spaced apart from each other along the axial direction of the valve body 10, with the blocking structure 16 located between the two fourth grooves of the fourth continuity structure 14, and the tenth continuity structure group is provided with three blocking structures 16 and the second continuity structure 12 spaced apart from each other along the axial direction of the valve body 10. As a matter of explanation, the seventh continuity structure group, the eighth continuity structure group, the ninth continuity structure group, and the tenth continuity structure group share one second continuity structure 12.

[0032] The two-way proportional valve, three-way proportional valve, and four-way proportional valve can be controlled with only one valve body 10 and one actuator, which is simple to control, compact in structure, and low in cost. The rotation angle of the valve body 10 is adjusted so that the multi-way valve 100 can achieve seven different working states.

[0033] The first operating state is an operating state in which the first valve port 21 is connected to the second valve port 22, the third valve port 23 is connected to the fourth valve port 24, the fifth valve port 25 is connected to the sixth valve port 26, the seventh valve port 27 is connected to the eighth valve port 28, and the ninth valve port 29 is closed. When the valve body 10 rotates to the first predetermined position, the first valve orifice 21 and the second valve orifice 22 cooperate with a first groove of the first conductive structure 11, the third valve orifice 23 and the fourth valve orifice 24 cooperate with another first groove of the first conductive structure 11, the fifth valve orifice 25 and the sixth valve orifice 26 cooperate with the third conductive structure 13, the seventh valve orifice 27 and the eighth valve orifice 28 cooperate with the fifth conductive structure 15, and the ninth valve orifice 29 cooperates with the blocking structure 16 to block the ninth valve orifice 29.

[0034] The second operating state is an operating state in which the first valve port 21 is connected to the fourth valve port 24, the second valve port 22 is connected to the third valve port 23, the fifth valve port 25 is connected to the sixth valve port 26, the seventh valve port 27 is connected to the eighth valve port 28, and the ninth valve port 29 is closed. When the valve body 10 rotates to the second predetermined position, the first valve orifice 21 and the fourth valve orifice 24 cooperate with a second groove of the second conductive structure 12, the second valve orifice 22 and the third valve orifice 23 cooperate with another second groove of the second conductive structure 12, the fifth valve orifice 25 and the sixth valve orifice 26 cooperate with the third conductive structure 13, the seventh valve orifice 27 and the eighth valve orifice 28 cooperate with the fifth conductive structure 15, and the ninth valve orifice 29 cooperates with the blocking structure 16 to block the ninth valve orifice 29.

[0035] The third operating state is an operating state in which the first valve port 21 is connected to the second valve port 22, the third valve port 23 is connected to the fourth valve port 24, the fifth valve port 25 is connected to the sixth valve port 26, the eighth valve port 28 is connected to the ninth valve port 29, and the seventh valve port 27 is closed. When the valve body 10 rotates to the third predetermined position, the first valve orifice 21 and the second valve orifice 22 cooperate with a first groove of the first conductive structure 11, the third valve orifice 23 and the fourth valve orifice 24 cooperate with another first groove of the first conductive structure 11, the fifth valve orifice 25 and the sixth valve orifice 26 cooperate with the third conductive structure 13, the eighth valve orifice 28 and the ninth valve orifice 29 cooperate with the fourth conductive structure 14, and the seventh valve orifice 27 cooperates with the blocking structure 16 to block the seventh valve orifice 27.

[0036] The fourth operating state is an operating state in which the first valve port 21 is connected to the fourth valve port 24, the second valve port 22 is connected to the third valve port 23, the fifth valve port 25 is connected to the sixth valve port 26, the eighth valve port 28 is connected to the ninth valve port 29, and the seventh valve port 27 is closed. When the valve body 10 rotates to the fourth predetermined position, the first valve orifice 21 and the fourth valve orifice 24 cooperate with a second groove of the second conductive structure 12, the second valve orifice 22 and the third valve orifice 23 cooperate with another second groove of the second conductive structure 12, the fifth valve orifice 25 and the sixth valve orifice 26 cooperate with the third conductive structure 13, the eighth valve orifice 28 and the ninth valve orifice 29 cooperate with the fourth conductive structure 14, and the seventh valve orifice 27 cooperates with the blocking structure 16 to block the seventh valve orifice 27.

[0037] The fifth operating state is an operating state in which the first valve port 21 is connected to the second valve port 22, the third valve port 23 is connected to the fourth valve port 24, the eighth valve port 28 is connected to the ninth valve port 29, the fifth valve port 25 is closed, the sixth valve port 26 is closed, and the seventh valve port 27 is closed. When the valve body 10 rotates to the fifth predetermined position, the first valve orifice 21 and the second valve orifice 22 cooperate with a first groove of the first conductive structure 11, the third valve orifice 23 and the fourth valve orifice 24 cooperate with another first groove of the first conductive structure 11, the eighth valve orifice 28 and the ninth valve orifice 29 cooperate with the fourth conductive structure 14, and the fifth valve orifice 25, the sixth valve orifice 26, and the seventh valve orifice 27 cooperate with the blocking structure 16 to block the fifth valve orifice 25, the sixth valve orifice 26, and the seventh valve orifice 27, respectively.

[0038] The sixth operating state is an operating state in which the first valve port 21 is connected to the second valve port 22, the third valve port 23 is connected to the fourth valve port 24, the seventh valve port 27 is connected to the eighth valve port 28, and the fifth valve port 25, the sixth valve port 26, and the ninth valve port 29 are closed. When the valve body 10 rotates to the sixth predetermined position, the first valve port 21 and the second valve port 22 cooperate with a first groove of the first conductive structure 11, the third valve port 23 and the fourth valve port 24 communicate with another first groove of the first conductive structure 11, the seventh valve port 27 and the eighth valve port 28 cooperate with the fifth conductive structure 15, and the fifth valve port 25, the sixth valve port 26, and the ninth valve port 29 cooperate with the blocking structure 16 to block the fifth valve port 25, the sixth valve port 26, and the ninth valve port 29, respectively.

[0039] The seventh operating state is an operating state in which the first valve port 21 is connected to the fourth valve port 24, the second valve port 22 is connected to the third valve port 23, the seventh valve port 27 is connected to the eighth valve port 28, and the fifth valve port 25, the sixth valve port 26, and the ninth valve port 29 are closed. When the valve body 10 rotates to the seventh predetermined position, the first valve port 21 and the fourth valve port 24 cooperate with a second groove of the second conductive structure 12, the second valve port 22 and the third valve port 23 communicate with another second groove of the second conductive structure 12, the seventh valve port 27 and the eighth valve port 28 cooperate with the fifth conductive structure 15, and the fifth valve port 25, the sixth valve port 26 and the ninth valve port 29 cooperate with the blocking structure 16 to block the fifth valve port 25, the sixth valve port 26 and the ninth valve port 29, respectively.

[0040] In order to achieve the rotation of the valve disc 10 to different rotation positions, the valve seat 20 is provided with a drive device, which is drivingly connected to the valve disc 10 .

[0041] The driving device may be provided in any structure that can meet the requirement of driving the rotation of the valve body 10, and in one optional embodiment, referring to FIG. 2, the driving device includes a motor 30 and a gear group drivingly connected to the motor 30, and the gear group is drivingly connected to the valve body 10. A worm 31 is provided on the shaft of the motor 30, and the gear group includes a first gear group 33 and a second gear group 34. The first gear group 33 includes a first turbine 32, a first gear 33, a second gear 34, and a third gear 35, which are connected in series in sequence on the same central axis. The second gear group 34 includes a fourth gear 36, a fifth gear 37, and a sixth gear 38, which are connected in series in sequence on the same central axis. A worm 31 on the shaft of the motor 30 meshes with a first turbine 32, a first gear 33 meshes with a fourth gear 36, a second gear 34 meshes with a fifth gear 37, and a third gear 35 meshes with a sixth gear 38. The central axes of the first gears 33 and the second gears 34 are parallel to each other along a vertical direction, and the central axis of the first worm 31 and the central axis of the first turbine 32 are perpendicular to each other.

[0042] To realize the connection between the valve body 10 and the sixth gear 38, selectively, a first connection portion is provided on the valve body 10 and a second connection portion is provided on the sixth gear 38, and the first connection portion can form a detachable connection with the second connection portion.

[0043] Optionally, the first connection portion includes a splined shaft provided on an end face of the valve body 10, and the second connection portion includes a splined sleeve provided on the sixth gear 38, the splined shaft forming a detachable connection with the splined sleeve.

[0044] In one optional embodiment, the multi-way valve 100 can be used in the coolant circuit of the thermal management system of an electric vehicle, which allows the electric vehicle to have the advantages of weight reduction and cost reduction. Compared with an electric vehicle that requires three actuators to control a four-way valve, a three-way proportional valve, and a two-way proportional valve, an electric vehicle using the multi-way valve 100 can reduce the cost by an average of 200 RMB per vehicle and reduce the weight by 500 g per vehicle.

[0045] Each example or embodiment in this specification will focus on the differences between each example and other examples, and similar parts between the examples may be referred to each other.

[0046] In the description herein, the terms "one embodiment," "some embodiments," "exemplary embodiments," "examples," "particular examples," or "some examples" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In the present description, general expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0047] Finally, it should be explained that the above embodiments are only used to describe the technical solutions of the present invention, not to limit it, and the present invention has been described in detail with reference to the above embodiments. However, those skilled in the art may modify the technical solutions described in the above embodiments or replace some or all of the technical features with equivalents, and these modifications or replacements do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

[0048] This application claims priority to a Chinese patent application bearing application number 2021111388400 and entitled "Multi-way Valve" filed with the China Patent Office on September 27, 2021, the entire contents of which are incorporated herein by reference. [Explanation of symbols]

[0049] 100: multi-way valve, 10: valve body, 11: first conductive structure, 12: second conductive structure, 13: third conductive structure, 14: fourth conductive structure, 15: fifth conductive structure, 16: blocking structure, 20: valve seat, 21: first valve port, 22: second valve port, 23: third valve port, 24: fourth valve port, 25: fifth valve port, 26: sixth valve port, 27: seventh valve port, 28: eighth valve port, 29: ninth valve port, 30: motor, 31: worm, 32: first turbine, 33: first gear, 34: second gear, 35: third gear, 36: fourth gear, 37: fifth gear, 38: sixth gear, 40: pipe, 50: C-shaped structure, 51: straight structure, 52: L-shaped structure, 60: injection molding die, 61: first die, 62: second die.

Claims

1. A multi-way valve, a valve seat; and a valve element rotatably disposed within the valve seat, the valve element having a plurality of rotational positions; the valve seat is provided with a plurality of valve port groups, each of the valve port groups including a plurality of valve ports; The valve body is provided with a group of conductive structures corresponding to each of the groups of valve ports, and each of the groups of conductive structures includes a plurality of conductive structures provided along a circumferential direction of the valve body, the conductive structure group is configured such that, when the valve body is rotated to different rotational positions, different conductive structures in the conductive structure group cooperate with corresponding valve port groups to cause the valve ports in the valve port group to form different conductive states; the plurality of valve port groups includes a first valve port group, and the plurality of valve ports of the first valve port group include a first valve port, a second valve port, a third valve port, and a fourth valve port arranged at four corners; the plurality of conductive structure groups include a first conductive structure group, the first conductive structure group including a first conductive structure and a second conductive structure arranged along a circumferential direction of the valve body, the first conductive structure including two first grooves provided on an outer circumferential surface of the valve body and spaced apart along the circumferential direction of the valve body, the first grooves extending along an axial direction of the valve body; the second conductive structure including two second grooves provided on the outer circumferential surface of the valve body and spaced apart along the axial direction of the valve body, the second grooves extending along the circumferential direction of the valve body; When the valve body is rotated so that the first conductive structure cooperates with the first group of valve ports, two of the first grooves of the first conductive structure respectively connect the first valve port to the second valve port and connect the third valve port to the fourth valve port, or when the valve body rotates so that the second conductive structure cooperates with the first valve port group, two of the second grooves of the second conductive structure respectively connect the first valve port to the fourth valve port and connect the second valve port to the third valve port; the plurality of valve port groups include a second valve port group, the second valve port group including a fifth valve port and a sixth valve port spaced apart from each other along an axial direction of the valve body; the plurality of continuity structure groups include a second continuity structure group, the second continuity structure group including a third continuity structure and a blocking structure that are arranged along a circumferential direction of the valve body; the third conductive structure includes two third grooves that are provided on an outer circumferential surface of the valve body and that are spaced apart along an axial direction of the valve body, and a first passage that communicates between bottoms of the two third grooves, when the valve body rotates so that the third conduit structure cooperates with the second valve port group, the two third grooves of the third conduit structure cooperate with the fifth valve port and the sixth valve port, respectively, to communicate the fifth valve port with the sixth valve port; When the valve body rotates so that the closing structure cooperates with the second valve port group, the closing structure closes the fifth valve port and the sixth valve port. A multi-way valve characterized by:

2. the plurality of valve port groups include a third valve port group, the third valve port group including an eighth valve port, a seventh valve port, and a ninth valve port spaced apart from each other along an axial direction of the valve body; the plurality of continuity structure groups include a third continuity structure group, the third continuity structure group including a fourth continuity structure and a fifth continuity structure that are arranged along a circumferential direction of the valve body, the fourth conductive structure includes two fourth grooves provided on an outer peripheral surface of the valve body and spaced apart along an axial direction of the valve body, and a second passage connecting bottoms of the two fourth grooves; the fifth conductive structure includes a fifth groove extending along the axial direction of the valve body; when the valve body rotates so that the fourth conduit structure cooperates with the third valve port group, the two fourth grooves of the fourth conduit structure cooperate with the eighth valve port and the ninth valve port, respectively, to communicate the eighth valve port with the ninth valve port; 2. The multi-way valve according to claim 1, wherein when the valve body rotates so that the fifth conduit structure cooperates with the third group of valve ports, the fifth groove of the fifth conduit structure communicates the eighth valve port with the seventh valve port.

3. The eighth valve port and the fifth valve port are located at the same axial position of the valve body, and the eighth valve port and the fifth valve port are provided at intervals along the circumferential direction of the valve body, 3. The multi-way valve according to claim 2, wherein the ninth valve port and the sixth valve port are located at the same axial position of the valve body, and the ninth valve port and the sixth valve port are provided at intervals along a circumferential direction of the valve body.

4. 4. The multi-way valve according to claim 3, wherein the third conductive structure of the second conductive structure group is shared with the fourth conductive structure of the third conductive structure group.

5. 4. The multi-way valve according to claim 3, wherein the seventh valve port extends between the fifth valve port and the sixth valve port along the circumferential direction of the valve body.

6. 4. The multi-way valve according to claim 3, wherein the first group of valve ports and the second group of valve ports are spaced apart from each other in the axial direction of the valve body.

7. 7. The multi-way valve according to claim 1, wherein a plurality of the valve port groups are provided on the same side of the valve seat.

8. 7. The multi-way valve according to claim 1, wherein a drive device is provided on the valve seat, and the drive device is drivably connected to the valve body.

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