Multi-way valve and thermal management system

Abstract

The utility model relates to the technical field of fluid control devices, in particular to a multi-way valve and a heat management system. The multi-way valve comprises a valve body and a valve element. The valve body is provided with a plurality of circulation ports, and comprises a first valve body inlet, a second valve body inlet, a first valve body outlet, a second valve body outlet, a third valve body outlet and a fourth valve body outlet; the valve core is rotationally arranged in the mounting cavity; the valve element is provided with a first valve element inlet, a second valve element inlet, a first valve element outlet, a second valve element outlet, a first communicating channel and a second channel. The first communicating channel is communicated between the first valve element inlet and the first valve element outlet, and the second communicating channel is communicated between the second valve element inlet and the second valve element outlet. The first valve element inlet communicates with the first valve body inlet, the second valve element inlet communicates with the second valve body inlet, and the first valve element outlet and the second valve element outlet can communicate with two of the first valve body outlet, the second valve body outlet, the third valve body outlet and the fourth valve body outlet correspondingly at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid control devices, in particular to a multi-way valve and a thermal management system. Background Art

[0002] Valves are control components in fluid management systems (e.g. thermal management systems) that can be used to control the flow direction, on / off, and flow rate of fluids. With the rapid development of new energy, thermal management systems have become a must for new energy vehicles, and valves are key control components. Existing four-way valves and five-way valves cannot meet the existing multiple inlet and outlet requirements, and the combination of multiple four-way valves and five-way valves also makes the structure of the thermal management system complex. Utility Model Content

[0003] The purpose of the utility model is to provide a multi-way valve and a thermal management system, so as to solve the technical problems existing in the prior art that the existing four-way valves and five-way valves cannot meet the existing multiple inlet and outlet requirements, and the combination of multiple four-way valves and five-way valves also makes the structure of the thermal management system complicated.

[0004] The utility model provides a multi-way valve, comprising: a valve body, comprising a valve body bottom plate, a valve body side plate and a plurality of flow ports; the valve body bottom plate and the valve body side plate form a mounting cavity; the valve body side plate is fixed to the valve body bottom plate, and the plurality of flow ports include a first valve body inlet and a second valve body inlet arranged on the valve body bottom plate, a first valve body outlet, a second valve body outlet, a third valve body outlet and a fourth valve body outlet arranged on the valve body side plate; a valve core, the valve core is rotatably arranged in the mounting cavity; the valve core is provided with a first valve core inlet, a second valve core inlet, a first valve core outlet, a second valve core outlet, a first connecting channel and a second channel; the first connecting channel is connected between the first valve core inlet and the first valve core outlet, and the second channel is connected between the second valve core inlet and the second valve core outlet; the first valve core inlet is connected to the first valve body inlet, the second valve core inlet is connected to the second valve body inlet, and the first valve core outlet and the second valve core outlet can be connected to two of the first valve body outlet, the second valve body outlet, the third valve body outlet and the fourth valve body outlet at the same time.

[0005] One end of the installation cavity away from the valve body bottom plate can be open, and the valve core can be inserted into the installation cavity from this end. When the multi-way valve is working, the valve core can rotate relative to the valve body. The flow port includes a plurality of valve body inlets and a plurality of valve body outlets, wherein the valve body inlet includes a first valve body inlet and a second valve body inlet, and the valve body outlet includes a first valve body outlet, a second valve body outlet, a third valve body outlet and a fourth valve body outlet. The valve core is provided with the first valve core outlet and the second valve core outlet which can be respectively connected with two of the first valve body outlet, the second valve body outlet, the third valve body outlet and the fourth valve body outlet at the same time, that is, when the second valve core outlet is connected with one of the first valve body outlet, the second valve body outlet, the third valve body outlet and the fourth valve body outlet, the second valve core outlet is connected with the other of the first valve body outlet, the second valve body outlet, the third valve body outlet and the fourth valve body outlet; thereby, the fluid flows in from one valve body inlet and flows out from one valve body outlet, and at the same time, the fluid can also flow in from another valve body inlet and flow out from another valve body outlet, so that two passages can be realized at the same time, and the valve core outlet can be connected with different valve body outlets, thereby realizing different circulation modes, meeting the existing multiple inlet and outlet requirements, and simplifying the structure of the thermal management system.

[0006] Further, the first valve body inlet is arranged at the center of the valve body bottom plate, and the first valve core inlet is arranged at the center of the valve core to be opposite to the first valve body inlet; the second valve body inlet is arranged on one side of the valve body, and the second valve body inlet is arranged in an arc shape extending along the circumferential direction of the valve body, the second valve core inlet is arranged in an arc shape, and the length of the second valve core inlet is greater than the length of the second valve body inlet.

[0007] Further, the number of the first valve body outlets and the number of the second valve body outlets are both two; along the circumferential direction of the valve body side plate, the two first valve body outlets, the two second valve body outlets, the third valve body outlet and the fourth valve body outlet are sequentially spaced apart.

[0008] Further, the first valve core inlet is arranged at the center of the bottom wall of the valve core; the side wall of the valve core is provided with a first groove connected to the first valve core inlet, the first groove forms the first connecting channel, and the opening of the first groove forms the first valve body outlet; the bottom wall of the valve core is provided with a second groove, the second groove is U-shaped, and the opening of the second groove forms the second valve core inlet; the side wall of the valve core is provided with the second valve core outlet.

[0009] Further, when the first valve core outlet is connected to the first valve body outlet near the second valve body outlet, the second valve core outlet is connected to the third valve body outlet; when the first valve core outlet is connected to the second valve body outlet near the third valve body outlet, the second valve core outlet is connected to the first valve body outlet near the fourth valve body outlet; when the first valve core outlet is connected to the fourth valve body outlet, the second valve core outlet is connected to the second valve body outlet near the first valve body outlet; when the first valve core outlet is connected to the third valve body outlet, the second valve body outlet is connected to the first valve body outlet near the second valve body outlet; when the first valve core outlet is connected to the second valve body outlet near the first valve body outlet, the second valve core outlet is connected to the fourth valve body outlet; when the first valve core outlet is connected to the first valve body outlet connected to the fourth valve body outlet, the second valve core outlet is connected to the second valve body outlet near the third valve body outlet.

[0010] Further, the cross-sectional area of ​​the valve body bottom plate is larger than the cross-sectional area of ​​the valve body side plate, and the portion of the valve body bottom plate extending out of the valve body side plate is provided with a first extension port, a second extension port, a third extension port and a fourth extension port; the valve body also includes a first steering channel, a second steering channel, a third steering channel and a fourth steering channel; the first steering channel is connected between the first valve body outlet and the first extension port, the second steering channel is connected between the second valve body outlet and the second extension port, the third steering channel is connected between the third valve body outlet and the third extension port, and the fourth steering channel is connected between the fourth valve body outlet and the fourth extension port.

[0011] Furthermore, an internal sealing ring is provided between the inner wall of the valve body and the outer wall of the valve core, and a wear-resistant layer is provided on the side of the internal sealing ring that contacts the valve core.

[0012] Furthermore, the multi-way valve further comprises: an end cover, the end cover being fixed on the opening side of the mounting cavity; an actuator, the actuator being connected to the end cover, and the actuator being drivingly connected to the valve core.

[0013] Furthermore, a protrusion is provided on the bottom wall of the valve core, a through hole connected to the first valve core inlet is provided on the protrusion, a groove connected to the first valve body inlet is provided at the center of the valve body bottom plate, and the protrusion is stuck in the groove; a rotating shaft is provided on the top wall of the valve core, a rotating shaft hole for the rotating shaft to pass through is provided on the end cover, and the actuator is drivingly connected to the rotating shaft; a lower sealing ring is provided between the protrusion and the groove, and an upper sealing ring is provided between the rotating shaft and the rotating shaft hole.

[0014] The utility model provides a thermal management system, which comprises a pipeline and the multi-way valve, wherein the multi-way valve is installed on the pipeline.

[0015] It should be understood that both the foregoing general description and the following specific embodiments are for the purpose of example and illustration and do not necessarily limit the present disclosure. The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate the subject matter of the present disclosure. At the same time, the specification and the drawings are used to explain the principles of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of a multi-way valve according to an embodiment of the utility model;

[0018] Figure 2 for Figure 1 An exploded view of a multi-port valve is shown;

[0019] Figure 3 for Figure 1 A schematic diagram of the structure of the valve core in the multi-way valve shown;

[0020] Figure 4 for Figure 1 The structural schematic diagram of the first working mode of the multi-way valve shown;

[0021] Figure 5 for Figure 1 A structural schematic diagram of the second working mode of the multi-way valve shown;

[0022] Figure 6 for Figure 1 The structural schematic diagram of the third working mode of the multi-way valve shown;

[0023] Figure 7 for Figure 1 A structural schematic diagram of a fourth working mode of the multi-way valve shown;

[0024] Figure 8 for Figure 1 The structural diagram of the fifth working mode of the multi-way valve shown;

[0025] Fig. 9 for Figure 1 The structural schematic diagram of the sixth working mode of the multi-way valve is shown.

[0026] Icon: 1-valve body; 2-valve core; 3-internal sealing ring; 4-end cover; 5-actuator; 6-lower sealing ring; 7-upper sealing ring; 101-valve body bottom plate; 102-valve body side plate; 103-first valve body inlet; 104-second valve body inlet; 105-first valve body outlet; 106-second valve body outlet; 107-third valve body outlet; 108-fourth valve body outlet; 201-first valve core inlet; 202-second valve core inlet; 203-first valve core outlet; 204-second valve core outlet; 205-first connecting channel; 206-second connecting channel. DETAILED DESCRIPTION

[0027] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0028] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0029] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] like Figures 1 to 3 As shown, a multi-way valve comprises: a valve body 1 and a valve core 2; the valve body 1 comprises a valve body bottom plate 101, a valve body side plate 102 and a plurality of flow ports; the valve body bottom plate 101 and the valve body side plate 102 form a mounting cavity; the valve body side plate 102 is fixed on the valve body bottom plate 101, and the plurality of flow ports comprise a first valve body inlet 103 and a second valve body inlet 104 arranged on the valve body bottom plate 101, a first valve body outlet 105, a second valve body outlet 106, a third valve body outlet 107 and a fourth valve body outlet 108 arranged on the valve body side plate 102; the valve core 2 is rotatably arranged in the mounting cavity; the valve core 2 is provided with a first valve core inlet 201, a second valve core inlet 104 and a third valve body outlet 107 and a fourth valve body outlet 108. Inlet 202, first valve core outlet 203, second valve core outlet 204, first connecting channel and second channel; the first connecting channel is connected between the first valve core inlet 201 and the first valve core outlet 203, and the second channel is connected between the second valve core inlet 202 and the second valve core outlet 204; the first valve core inlet 201 is connected to the first valve body inlet 103, the second valve core inlet 202 and the second valve body inlet 104 are connected, and the first valve core outlet 203 and the second valve core outlet 204 can be connected to two of the first valve body outlet 105, the second valve body outlet 106, the third valve body outlet 107 and the fourth valve body outlet 108 at the same time.

[0034] In this embodiment, one end of the installation cavity away from the valve body bottom plate 101 can be opened, and the valve core 2 can be inserted into the installation cavity from this end. When the multi-way valve is working, the valve core 2 can rotate relative to the valve body 1. The flow port includes a plurality of valve body 1 inlets and a plurality of valve body 1 outlets, wherein the valve body 1 inlet includes a first valve body inlet 103 and a second valve body inlet 104, and the valve body 1 outlet includes a first valve body outlet 105, a second valve body outlet 106, a third valve body outlet 107 and a fourth valve body outlet 108. The valve core 2 is provided with a first valve core outlet 203 and a second valve core outlet 204 which can be respectively connected with two of the first valve body outlet 105, the second valve body outlet 106, the third valve body outlet 107 and the fourth valve body outlet 108 at the same time, that is, when the second valve core outlet 204 is connected with one of the first valve body outlet 105, the second valve body outlet 106, the third valve body outlet 107 and the fourth valve body outlet 108, the second valve core outlet 204 is connected with the other of the first valve body outlet 105, the second valve body outlet 106, the third valve body outlet 107 and the fourth valve body outlet 108; thereby, the fluid flows in from one valve body inlet and flows out from one valve body outlet, and at the same time, the fluid can also flow in from another valve body inlet and flow out from another valve body outlet, so that two passages can be realized at the same time, and the valve core outlet can be connected with different valve body outlets, so as to realize different circulation modes, meet the existing multiple inlet and outlet requirements, and simplify the structure of the thermal management system.

[0035] On the basis of the above embodiment, in order to facilitate fluid control, it is preferably realized that the first valve body inlet 103 is always connected with the first valve core inlet 201 , and the second valve body inlet 104 is always connected with the second valve core inlet 202 .

[0036] As an alternative, Figures 4 to 9 As shown, the first valve body inlet 103 is arranged at the center of the valve body bottom plate 101, and the first valve core inlet 201 is arranged at the center of the valve core 2 to be opposite to the first valve body inlet 103; the second valve body inlet 104 is arranged on one side of the valve body 1, and the second valve body inlet 104 is arranged in an arc shape extending along the circumferential direction of the valve body 1, the second valve core inlet 202 is arranged in an arc shape, and the length of the second valve core inlet 202 (referring to the arc length) is greater than the length of the second valve body inlet 104, so that during the rotation of the valve core 2, the second valve core inlet 202 can always cover the second valve body inlet 104, thereby always realizing the connection between the second valve core inlet 202 and the second valve body inlet 104.

[0037] In this embodiment, the valve core 2 and the valve body 1 are coaxially arranged, the first valve body inlet 103 is arranged at the center of the valve body bottom plate 101, the second valve core inlet 202 is arranged at the center of the valve core 2, and the first valve body inlet 103 and the second valve core inlet 202 are arranged opposite to each other. Therefore, no matter how much the valve core 2 rotates, the first valve body inlet 103 and the first valve core inlet 201 are always connected. The extension direction of the second valve body inlet 104 is the same as the extension direction of the second valve core inlet 202, and the length of the second valve core inlet 202 is greater than the length of the second valve body inlet 104. During the rotation of the valve core 2, the second valve core inlet 202 can cover the second valve body inlet 104. This structure makes the structure of the valve core 2 and the valve body 1 simple, and makes the structure of the multi-way valve simple. The specific length of the first valve body inlet 103 and the specific length of the second valve core inlet 202 can be set according to specific circumstances.

[0038] like Figures 4 to 9 As shown, based on the above embodiment, further, the number of first valve body outlets 105 and the number of second valve body outlets 106 are both two; along the circumferential direction of the valve body side plate 102, the two first valve body outlets 105, the two second valve body outlets 106, the third valve body outlet 107 and the fourth valve body outlet 108 are arranged in sequence at intervals.

[0039] In this embodiment, along the circumferential direction of the valve stem, a first valve body outlet 105, another first valve body outlet 105, a second valve body outlet 106, another second valve body outlet 106, a third valve body outlet 107 and a fourth valve body outlet 108 are sequentially arranged at intervals.

[0040] As an optional solution, the two first valve body outlets 105, the two second valve body outlets 106, the third valve body outlet 107 and the fourth valve body outlet 108 are evenly distributed on the valve body side plate 102. Preferably, the flow cross-sectional areas of the two first valve body outlets 105, the flow cross-sectional areas of the two second valve body outlets 106, the flow cross-sectional areas of the third valve body outlet 107 and the flow cross-sectional areas of the fourth valve body outlet 108 are all the same, which is convenient for processing and helps to simplify the fluid control process.

[0041] like Figures 3 to 9As shown, on the basis of the above embodiment, further, the first valve core inlet 201 is arranged at the center of the bottom wall of the valve core 2; a first groove connected to the first valve core inlet 201 is provided on the side wall of the valve core 2, the first groove forms a first connecting channel 205, and the opening of the first groove forms the first valve body outlet 105; a second groove is provided on the bottom wall of the valve core 2, the second groove is U-shaped, and the opening of the second groove forms the second valve core inlet 202. The second groove is directly grooved on the bottom wall of the valve core 2, and the naturally formed opening is arc-shaped, which is generally U-shaped and can cover the second valve body outlet 106. It can also be understood that the second valve body outlet 106 slides relative to the second valve core outlet 204 along the extension direction of the second valve core outlet 204; the second valve core outlet 204 is provided on the side wall of the valve core 2 and can be arranged opposite to the first valve core outlet 203.

[0042] The following examples illustrate that the multi-way valve provided by the embodiment of the utility model can realize at least six working modes:

[0043] The first working mode: Figure 4 As shown, when the first valve core outlet 203 is connected to the first valve body outlet 105 near the second valve body outlet 106, the second valve core outlet 204 is connected to the third valve body outlet 107. The fluid can enter the first communication channel 205 from the first valve body inlet 103 and the second valve core inlet 202, and then flow out from the first valve body outlet 105 near the second valve body outlet 106 after passing through the second valve body outlet 106; at the same time, the fluid can enter the second communication channel 206 from the second valve body inlet 104 and the second valve core inlet 202, and then flow out from the third valve body outlet 107 after passing through the second valve core outlet 204.

[0044] The second working mode: Figure 5 As shown, when the first valve core outlet 203 is connected with the second valve body outlet 106 near the third valve body outlet 107, the second valve core outlet 204 is connected with the first valve body outlet 105 near the fourth valve body outlet 108. The fluid can enter the first communication channel 205 from the first valve body inlet 103 and the second valve core inlet 202, and then flow out from the second valve body outlet 106 near the third valve body outlet 107 after passing through the first valve core outlet 203; at the same time, the fluid can enter the second communication channel 206 from the second valve body inlet 104 and the second valve core inlet 202, and then flow out from the first valve body outlet 105 near the fourth valve body outlet 108 after passing through the second valve core outlet 204.

[0045] The third working mode: Figure 6As shown, when the first valve core outlet 203 is connected to the fourth valve body outlet 108, the second valve core outlet 204 is connected to the second valve body outlet 106 close to the first valve body outlet 105. The fluid can enter the first communication channel 205 from the first valve body inlet 103 and the second valve core inlet 202, and then flow out from the fourth valve body outlet 108 after passing through the first valve core outlet 203; at the same time, the fluid can enter the second communication channel 206 from the second valve body inlet 104 and the second valve core inlet 202, and then flow out from the second valve body outlet 106 close to the first valve body outlet 105 after passing through the second valve core outlet 204.

[0046] The fourth working mode: Figure 7 As shown, when the first valve core outlet 203 is connected to the third valve body outlet 107, the second valve core outlet 204 is connected to the first valve body outlet 105 near the second valve body outlet 106. The fluid can enter the first communication channel 205 from the first valve body inlet 103 and the second valve core inlet 202, and then flow out from the third valve body outlet 107 after passing through the first valve core outlet 203; at the same time, the fluid can enter the second communication channel 206 from the second valve body inlet 104 and the second valve core inlet 202, and then flow out from the first valve body outlet 105 near the second valve body outlet 106 after passing through the second valve core outlet 204.

[0047] The fifth working mode: Figure 8 As shown, when the first valve core outlet 203 is connected with the second valve body outlet 106 near the first valve body outlet 105, the second valve core outlet 204 is connected with the fourth valve body outlet 108. The fluid can enter the first communication channel 205 from the first valve body inlet 103 and the second valve core inlet 202, and then flow out from the second valve body outlet 106 near the first valve body outlet 105 after passing through the first valve core outlet 203; at the same time, the fluid can enter the second communication channel 206 from the second valve body inlet 104 and the second valve core inlet 202, and then flow out from the fourth valve body outlet 108 after passing through the second valve core outlet 204.

[0048] The sixth working mode: Fig. 9 As shown, when the first valve core outlet 203 is connected to the first valve body outlet 105 connected to the fourth valve body outlet 108, the second valve core outlet 204 is connected to the second valve body outlet 106 connected to the third valve body outlet 107. The fluid can enter the first communication channel 205 from the first valve body inlet 103 and the second valve core inlet 202, and then flow out from the first valve body outlet 105 close to the fourth valve body outlet 108 after passing through the first valve core outlet 203; at the same time, the fluid can enter the second communication channel 206 from the second valve body inlet 104 and the second valve core inlet 202, and then flow out from the second valve body outlet 106 close to the third valve body outlet 107 after passing through the second valve core outlet 204.

[0049] Based on the above embodiment, the outlet of the valve body 1 arranged on the valve body side plate 102 can be directly communicated through a pipeline.

[0050] As an alternative, Figure 2 As shown, the cross-sectional area of ​​the valve body bottom plate 101 is larger than the cross-sectional area of ​​the valve body side plate 102, and the portion of the valve body bottom plate 101 extending out of the valve body side plate 102 is provided with a first extension port, a second extension port, a third extension port and a fourth extension port; the valve body 1 also includes a first steering channel, a second steering channel, a third steering channel and a fourth steering channel; the first steering channel is connected between the first valve body outlet 105 and the first extension port, the second steering channel is connected between the second valve body outlet 106 and the second extension port, the third steering channel is connected between the third valve body outlet 107 and the third extension port, and the fourth steering channel is connected between the fourth valve body outlet 108 and the fourth extension port. In this embodiment, the ports for communicating with the external pipeline are all concentrated on the valve body bottom plate 101, which can make the pipeline connection structure compact and regular, and thus make the entire thermal management system structure simple and regular.

[0051] like Figure 2 As shown, based on the above embodiment, further, an internal sealing ring 3 is provided between the inner wall of the valve body 1 and the outer wall of the valve core 2, and a wear-resistant layer is provided on the side of the internal sealing ring 3 that contacts the valve core 2.

[0052] In this embodiment, the sealing ring can be formed into a cylindrical shape by curling a plate-like rubber material.

[0053] like Figure 1 and Figure 2 As shown, based on the above embodiment, the multi-way valve further includes: an end cover 4 and an actuator 5; the end cover 4 is fixed to the opening side of the installation cavity; the actuator 5 is connected to the end cover 4, and the actuator 5 is transmission-connected to the valve core 2.

[0054] In this embodiment, after the valve core 2 and the sealing ring are installed in place, the end cover 4 is fixed to the opening side of the valve body 1 to block the installation cavity. The actuator 5 is used to drive the valve core 2 to rotate relative to the valve body 1.

[0055] like Figure 2 As shown, on the basis of the above embodiment, further, a protrusion is provided on the bottom wall of the valve core 2, and a through hole connected to the first valve core inlet 201 is provided on the protrusion, and a groove connected to the first valve body inlet 103 is provided at the center of the valve body bottom plate 101, and the protrusion is stuck in the groove. The cooperation of the protrusion and the groove can position the valve core 2 relative to the valve body 1, which is convenient for installation; a rotating shaft is provided on the top wall of the valve core 2, and a rotating shaft hole for the rotating shaft to pass through is provided on the end cover, and the actuator 5 is connected to the rotating shaft in driving connection; a lower sealing ring 6 is provided between the protrusion and the groove, and an upper sealing ring 7 is provided between the rotating shaft and the rotating shaft hole. The upper sealing ring 7 and the lower sealing ring 6 can improve the sealing performance of the multi-way valve.

[0056] The embodiment of the utility model also provides a thermal management system, including a multi-way valve of any of the above technical solutions, and a pipeline, the multi-way valve is installed on the pipeline, and thus has all the beneficial technical effects of the multi-way valve, which will not be described in detail here. The multi-way valve can meet multiple modes, which can make the structure of the thermal management system simple and compact.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them; although the utility model is described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the utility model. In the description provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification. In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments instead of other features, the combination of features of different embodiments means being within the scope of the utility model and forming different embodiments.

Claims

1. A multi-way valve, characterized in that: include: The valve body comprises a valve body bottom plate, a valve body side plate and a plurality of flow ports; the valve body bottom plate and the valve body side plate form a mounting cavity; the valve body side plate is fixed to the valve body bottom plate, and the plurality of flow ports comprise a first valve body inlet and a second valve body inlet arranged on the valve body bottom plate, and a first valve body outlet, a second valve body outlet, a third valve body outlet and a fourth valve body outlet arranged on the valve body side plate; A valve core, the valve core is rotatably arranged in the installation cavity; the valve core is provided with a first valve core inlet, a second valve core inlet, a first valve core outlet, a second valve core outlet, a first connecting channel and a second channel; The first communication channel is connected between the first valve core inlet and the first valve core outlet, and the second channel is connected between the second valve core inlet and the second valve core outlet; The first valve core inlet is connected to the first valve body inlet, the second valve core inlet is connected to the second valve body inlet, and the first valve core outlet and the second valve core outlet can be connected to two of the first valve body outlet, the second valve body outlet, the third valve body outlet and the fourth valve body outlet respectively at the same time.

2. The multi-way valve according to claim 1, characterized in that: The first valve body inlet is arranged at the center of the valve body bottom plate, and the first valve core inlet is arranged at the center of the valve core to face the first valve body inlet; The second valve body inlet is arranged on one side of the valve body, and the second valve body inlet is arranged in an arc shape extending along the circumferential direction of the valve body. The second valve core inlet is arranged in an arc shape, and the length of the second valve core inlet is greater than the length of the second valve body inlet.

3. The multi-way valve according to claim 2, characterized in that: The number of the first valve body outlets and the number of the second valve body outlets are both two; Along the circumferential direction of the valve body side plate, the two first valve body outlets, the two second valve body outlets, the third valve body outlet and the fourth valve body outlet are sequentially arranged at intervals.

4. The multi-way valve according to claim 3, characterized in that: The first valve core inlet is arranged at the center of the bottom wall of the valve core; A first groove communicating with the first valve core inlet is provided on the side wall of the valve core, the first groove forms the first communicating channel, and an opening of the first groove forms the first valve body outlet; A second groove is provided on the bottom wall of the valve core, the second groove is U-shaped, and the opening of the second groove forms the second valve core inlet; the second valve core outlet is provided on the side wall of the valve core.

5. The multi-way valve according to claim 3, characterized in that: When the first valve core outlet is close to the first valve body outlet and communicates with the second valve body outlet, the second valve core outlet communicates with the third valve body outlet; When the first valve core outlet is communicated with the second valve body outlet close to the third valve body outlet, the second valve core outlet is communicated with the first valve body outlet close to the fourth valve body outlet; When the first valve core outlet is communicated with the fourth valve body outlet, the second valve core outlet is communicated with the second valve body outlet close to the first valve body outlet; When the first valve core outlet is communicated with the third valve body outlet, the second valve body outlet is communicated with the first valve body outlet close to the second valve body outlet; When the first valve core outlet is communicated with the second valve body outlet close to the first valve body outlet, the second valve core outlet is communicated with the fourth valve body outlet; When the first valve core outlet is communicated with the first valve body outlet close to the fourth valve body outlet, the second valve core outlet is communicated with the second valve body outlet close to the third valve body outlet.

6. The multi-way valve according to claim 3, characterized in that: The cross-sectional area of ​​the valve body bottom plate is larger than the cross-sectional area of ​​the valve body side plate, and the portion of the valve body bottom plate extending out of the valve body side plate is provided with a first extension opening, a second extension opening, a third extension opening and a fourth extension opening; The valve body further comprises a first steering channel, a second steering channel, a third steering channel and a fourth steering channel; The first steering channel is connected between the first valve body outlet and the first extension port, the second steering channel is connected between the second valve body outlet and the second extension port, the third steering channel is connected between the third valve body outlet and the third extension port, and the fourth steering channel is connected between the fourth valve body outlet and the fourth extension port.

7. The multi-way valve according to claim 1, characterized in that: An internal sealing ring is arranged between the inner wall of the valve body and the outer wall of the valve core, and a wear-resistant layer is arranged on the side of the internal sealing ring that contacts the valve core.

8. The multi-way valve according to claim 1, characterized in that: The multi-way valve further comprises: an end cover, the end cover being fixed to the opening side of the mounting cavity; An actuator is connected to the end cover, and the actuator is drivingly connected to the valve core.

9. The multi-way valve according to claim 8, characterized in that: A protrusion is provided on the bottom wall of the valve core, a through hole is provided on the protrusion and is connected to the first valve core inlet, a groove is provided at the center of the valve body bottom plate and is connected to the first valve body inlet, and the protrusion is stuck in the groove; A rotating shaft is provided on the top wall of the valve core, a rotating shaft hole for the rotating shaft to pass through is provided on the end cover, and the actuator is drivingly connected to the rotating shaft; A lower sealing ring is arranged between the protrusion and the groove, and an upper sealing ring is arranged between the rotating shaft and the rotating shaft hole.

10. A thermal management system, characterized in that It comprises a pipeline and a multi-way valve as described in any one of claims 1 to 9, wherein the multi-way valve is installed on the pipeline.

Images