Three-way valve and thermal management system

Abstract

The utility model relates to a three-way valve and a thermal management system. The three-way valve comprises a valve element, the valve element comprises a valve element body, a valve element channel formed in the valve element body and a valve element circulation opening formed in the valve element body, and the valve element circulation opening is communicated with the valve element channel; the valve body comprises a valve body main body, a mounting cavity formed in the valve body main body, and a first valve body channel, a second valve body channel, a first valve body circulation opening, a second valve body circulation opening and a third valve body circulation opening which are formed in the valve body main body; the first valve body circulation opening is communicated with the valve element channel, the second valve body circulation opening is communicated with the first valve body channel, and the third valve body circulation opening is communicated with the second valve body channel. The valve element body is rotationally arranged in the mounting cavity, and the second valve body channel and the third valve body channel are located on the two sides of the valve element body correspondingly. The valve element circulation opening can communicate with the second valve body channel and / or the second valve body channel. The three-way valve can meet more fluid control requirements.

Description

Technical Field

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

[0002] The batteries, motors, reducers, controllers and engines in new energy vehicles have complex cooling requirements. New energy vehicles are equipped with a thermal management system to cool the components that need cooling. Both the high-temperature module and the low-temperature module in the thermal management system need to be equipped with a coolant control valve. The control valve includes a three-way valve. Conventional three-way valves can achieve reversing, but have limited functions and cannot meet the needs of current thermal management systems. Utility Model Content

[0003] The purpose of the utility model is to provide a three-way valve and a thermal management system, so as to solve the technical problem that the conventional three-way valve in the prior art can realize reversing but has limited functions and cannot meet the requirements of the current thermal management system to a certain extent.

[0004] The utility model provides a three-way valve, comprising: a valve core, the valve core comprising a valve core body, a valve core channel arranged on the valve core body and a valve core flow port arranged on the valve core body, the valve core flow port being connected to the valve core channel; a valve body, the valve body comprising a valve body body body, an installation cavity arranged on the valve body body body, and a first valve body channel, a second valve body channel, a first valve body flow port, a second valve body flow port and a third valve body flow port arranged on the valve body body; the first valve body flow port is connected to the valve core channel, the second valve body flow port is connected to the first valve body channel, and the third valve body flow port is connected to the second valve body channel; the valve core body is rotatably arranged in the installation cavity, the first valve body channel and the second valve body channel are respectively located on both sides of the valve core body; the valve core flow port can be connected to the second valve body channel and / or the second valve body channel.

[0005] During the use of the three-way valve, the actuator drives the valve core to rotate, which can change the position of the valve core relative to the valve body. When the valve core rotates within a first angle range, that is, the three-way valve is in a first mode, the valve core flow port is connected with the first valve body channel. At this time, the fluid can enter the valve core channel from the first valve body flow port, and then the fluid enters the first valve body channel from the valve core channel, and then flows into the second valve body flow port from the first valve body channel; when the actuator drives the valve core to rotate within a second angle range, that is, the three-way valve is in a second mode, the valve core flow port is connected with the first valve body channel and the second valve body channel respectively. At this time, the fluid can enter the valve core channel from the first valve body flow port, and then the fluid enters the first valve body channel and the second valve body channel respectively from the valve core channel, and then a part of The fluid flows from the first valve body channel into the second valve body flow port, and at the same time, another part of the fluid flows from the second valve body channel into the second valve body flow port, thereby achieving that the fluid can flow out from the second valve body flow port and the second valve body flow port, and by adjusting the angle of the valve core within the second angle range, the area of ​​the valve core flow port connected to the first valve body channel and the area of ​​the valve core flow port connected to the second valve body channel can be changed, thereby achieving proportional regulation of the fluid; when the valve core rotates within the third angle range, that is, the three-way valve is in the third mode, the valve core flow port is connected to the second valve body channel, at this time, the fluid can enter the valve core channel from the first valve body flow port, and then the fluid enters the second valve body channel from the valve core channel, and then flows from the second valve body channel into the third valve body flow port.

[0006] Therefore, the three-way valve provided by the utility model can not only realize fluid reversing, but also realize fluid ratio adjustment. The three-way valve can realize more functions, which is conducive to meeting more needs of the thermal management system. The three-way valve integrates more functions, thereby making the structure of the thermal management system compact and simple.

[0007] Further, the valve core body includes adjacent first side, second side and third side, the second side is perpendicular to one side of the first side, and the third side is perpendicular to the other side of the first side; the valve core flow port includes a first valve core flow port arranged on the first side, a second valve core flow port arranged on the second side and a third valve core flow port arranged on the third side; the second valve core flow port and the third valve core flow port are both connected to the first valve core flow port; the first valve core flow port, the second valve core flow port and the third valve core flow port are all connected to the valve core channel.

[0008] Furthermore, the cross-sectional shape of the second valve core circulation opening and the cross-sectional shape of the third valve core circulation opening are both triangular; and both ends of the first valve core circulation opening are respectively arranged through the second side portion and the third side portion.

[0009] Furthermore, the valve core body is spherical; a connector is provided at the top of the valve core body, and an interface communicating with the valve core channel is provided at the bottom of the valve core body, and the interface is communicated with the first valve body flow port.

[0010] Furthermore, in the length direction of the valve body main body, the valve body main body includes a middle part and end parts connected to both sides of the middle part; in the width direction of the valve body main body, grooves are symmetrically provided on both sides of the middle part, and the side parts of the valve core main body can move in the grooves; the installation cavity is located in the middle part, and the first valve body channel and the second valve body channel are respectively located at the two ends; the three-way valve also includes a sealing member, and in the length direction of the valve body main body, the sealing member is symmetrically provided on both sides of the valve core main body, and the sealing member is connected between the inner wall of the valve body main body and the outer wall of the valve core main body.

[0011] Furthermore, the sealing member includes: a support block, which is provided with a through hole extending along the length direction of the valve body; the support block includes a cylinder and a protrusion on the outer peripheral wall connected to one end of the cylinder, the protrusion abuts against the valve core body, and the other end of the cylinder is inserted into the end; an elastic member, which is sleeved outside the cylinder, and one end of the elastic member abuts against the protrusion, and the other end of the elastic member abuts against the side wall of the groove.

[0012] Furthermore, the sealing member further comprises a sealing ring, and the sealing ring is arranged between the cylinder and the inner wall of the end portion.

[0013] Furthermore, a cavity is formed inside the valve body, and the cavity runs through the bottom of the valve body; the installation cavity is formed in the middle of the cavity, and the first valve body channel and the second valve body channel are respectively formed on both sides of the cavity; the valve body also includes a bottom sealing gasket, and the sealing gasket is provided with three openings, and the three openings respectively correspond to the first valve body flow port, the second valve body flow port and the third valve body flow port.

[0014] Furthermore, the three-way valve further comprises: an actuator, the connecting head is provided with a connecting shaft, and the actuator is drivingly connected to the connecting shaft.

[0015] The utility model also provides a thermal management system, comprising: a pipeline and the three-way valve, wherein the pipeline is connected to the three-way valve.

[0016] 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

[0017] 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.

[0018] Figure 1 This is a structural schematic diagram of a three-way valve according to an embodiment of the utility model from a first perspective;

[0019] Figure 2 for Figure 1 A schematic structural diagram of the three-way valve from a second perspective shown;

[0020] Figure 3 for Figure 1 An exploded view of a three-way valve is shown;

[0021] Figure 4 for Figure 1 A schematic structural diagram of a valve core in a three-way valve from a first perspective is shown;

[0022] Figure 5 for Figure 4 A schematic structural diagram of the valve core from a second perspective shown;

[0023] Figure 6 for Figure 1 A schematic diagram of a three-way valve shown in a first mode;

[0024] Figure 7 for Figure 1 A schematic diagram of the three-way valve shown in the second mode;

[0025] Figure 8 for Figure 1 Schematic diagram of the three-way valve shown in the third mode.

[0026] icon:

[0027] 1-valve core; 11-valve core body; 12-valve core channel; 13-first valve core flow port; 14-second valve core flow port; 15-third valve core flow port; 16-connector; 17-interface;

[0028] 2-valve body; 21-valve body body; 22-first valve body channel; 23-second valve body channel; 24-first valve body flow port; 25-second valve body flow port; 26-third valve body flow port; 27-groove; 28-bottom sealing gasket;

[0029] 3-seal; 31-support block; 311-cylinder; 312-protrusion; 32-through hole; 33-elastic member; 34-seal ring;

[0030] 4-Actuator;

[0031] 5- Connect the shaft. DETAILED DESCRIPTION

[0032] 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.

[0033] 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.

[0034] 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.

[0035] 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0036] 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.

[0037] like Figures 1 to 8As shown, the utility model provides a three-way valve, including a valve core 1, the valve core 1 includes a valve core body 11, a valve core channel 12 arranged on the valve core body 11 and a valve core flow port arranged on the valve core body 11, and the valve core flow port is connected with the valve core channel 12; a valve body 2, the valve body 2 includes a valve body body 21, an installation cavity arranged on the valve body body 21, and a first valve body 2 flow channel, a second valve body 2 flow channel, a first valve body flow port 24, a second valve body flow port 25 and a third valve body flow port 26 arranged on the valve body body 21; the first valve body flow port 24 is connected with the valve core channel 12, the second valve body flow port 25 is connected with the first valve body channel 22, and the third valve body flow port 26 is connected with the second valve body channel 23; the valve core body 11 is rotatably arranged in the installation cavity, and the first valve body channel 22 and the second valve body channel 23 are respectively located on both sides of the valve core body 11; the valve core flow port can be connected with the second valve body channel 23 and / or the second valve body channel 23.

[0038] In this embodiment, during use of the three-way valve, the actuator 4 drives the valve core 1 to rotate, so as to change the position of the valve core 1 relative to the valve body 2. When the valve core 1 rotates within a first angle range, that is, the three-way valve is in a first mode, the valve core flow port is connected with the first valve body channel 22. At this time, the fluid can enter the valve core channel 12 from the first valve body flow port 24, and then the fluid enters the first valve body channel 22 from the valve core channel 12, and then flows into the second valve body flow port 25 from the first valve body channel 22; when the actuator 4 drives the valve core 1 to rotate within a second angle range, that is, the three-way valve is in a second mode, the valve core flow port is connected with the first valve body channel 22 and the second valve body channel 23 respectively. At this time, the fluid can enter the valve core channel 12 from the first valve body flow port 24, and then the fluid enters the first valve body channel 22 and the second valve body channel 23 respectively from the valve core channel 12. Then a part of the fluid flows from the first valve body channel 22 into the second valve body flow port 25, and at the same time, another part of the fluid flows from the second valve body channel 23 into the third valve body flow port 26, so that the fluid can flow out from the second valve body flow port 25 and the third valve body flow port 26, and by adjusting the angle of the valve core 1 within the second angle range, the area of ​​the valve core flow port connected to the first valve body channel 22 and the area of ​​the valve core flow port connected to the second valve body channel 23 can be changed, thereby realizing proportional regulation of the fluid; when the valve core 1 rotates within the third angle range, that is, the three-way valve is in the third mode, the valve core flow port is connected to the second valve body channel 23, at this time, the fluid can enter the valve core channel 12 from the first valve body flow port 24, and then the fluid enters the second valve body channel 23 from the valve core channel 12, and then flows from the second valve body channel 23 into the third valve body flow port 26.

[0039] Therefore, the three-way valve provided in this embodiment can not only realize fluid reversing, but also realize fluid ratio adjustment. The three-way valve can realize more functions, which is conducive to meeting more requirements of the thermal management system. The three-way valve integrates more functions, so that the structure of the thermal management system can also be compact and simple.

[0040] like Figures 4 to 8 As shown, on the basis of the above embodiment, further, the valve core body 11 includes adjacent first side, second side and third side, the second side is perpendicular to one side of the first side, and the third side is perpendicular to the other side of the first side; the valve core flow port includes a first valve core flow port 13 arranged on the first side, a second valve core flow port 14 arranged on the second side and a third valve core flow port 15 arranged on the third side; the second valve core flow port 14 and the third valve core flow port 15 are both connected to the first valve core flow port 13, and the first valve core flow port 13, the second valve core flow port 14 and the third valve core flow port 15 are all connected to the valve core channel 12.

[0041] In this embodiment, Figure 1 As shown, when the three-way valve is in the first mode, the first valve core flow port 13 is correspondingly connected to the first valve body channel 22; after the valve core body 11 rotates 90°, the three-way valve is in the second mode, the second valve core flow port 14 is correspondingly connected to the first valve body channel 22, and the second valve core flow port 14 is correspondingly connected to the second valve body channel 23; after the valve core body 11 rotates 90°, the three-way valve is in the third mode, and the first valve core flow port 13 is correspondingly connected to the second valve body channel 23. The second side portion and the third side portion are both perpendicular to the first side portion, so the valve core 1 can rotate 90° to ensure the switching between the first mode and the second mode. Similarly, the valve core 1 can rotate 90° to ensure the switching between the second mode and the third mode, that is, the total stroke of the valve core 1 is 180°, which greatly saves the switching time of the three-way valve.

[0042] like Figure 4 and Figure 5 As shown, based on the above embodiment, further, the cross-sectional shape of the second valve core circulation port 14 and the cross-sectional shape of the third valve core circulation port 15 are both triangular; the two ends of the first valve core circulation port 13 are respectively arranged through the second side portion and the third side portion, that is, the first valve core circulation port 13, the second valve core circulation port 14 and the third valve core circulation port 15 are a whole, and the valve core circulation port is integrally formed on the valve core body 11.

[0043] In this embodiment, the cross-sectional shapes of the second valve core flow opening 14 and the third valve core flow opening 15 are both triangular, which can achieve a smooth transition of flow regulation when the second mode, ie, the proportional regulation mode, begins.

[0044] like Figure 4 and Figure 5As shown, based on the above embodiment, the valve core body 11 is further configured in a spherical shape; a connector 16 is provided at the top of the valve core body 11, and the connector 16 can be used to connect the actuator 4. An interface 17 communicating with the valve core channel 12 is provided at the bottom of the valve core body 11, and the interface 17 is communicated with the first valve body flow port 24.

[0045] In this embodiment, the valve core 1 of the three-way valve is a spherical valve core 1, which is conducive to sealing.

[0046] like Figure 3 , Figures 6 to 8 As shown, on the basis of the above embodiment, further, in the length direction of the valve body main body 21, the valve body main body 21 includes a middle part and ends connected to both sides of the middle part, specifically, one of the two ends is a first end and the other is a second end; in the width direction of the valve body main body 21, grooves 27 are symmetrically provided on both sides of the middle part, that is, a groove 27 is provided on the inner wall of one side of the middle part, and a groove 27 is also provided on the inner wall of the other side of the middle part, and the two grooves 27 are symmetrically provided, and the side of the valve core main body 11 can move in the groove 27, and the groove 27 is provided in the middle part, that is, the middle part A step is formed between the top and the end; the installation cavity is located in the middle, and the first valve body channel 22 and the second valve body channel 23 are respectively located at the two ends. Specifically, the first valve body channel 22 is located at the first end, and the second valve body channel 23 is located at the second end; the three-way valve also includes a sealing member 3. In the length direction of the valve body main body 21, sealing members 3 are symmetrically provided on both sides of the valve core main body 11. The sealing members 3 are connected between the inner wall of the valve body main body 21 and the outer wall of the valve core main body 11. Specifically, the sealing member 3 close to the first end is the first sealing member 3, and the sealing member 3 close to the second end is the second sealing member 3.

[0047] In this embodiment, a groove 27 is provided in the middle of the valve body 21, which can adapt to the installation and rotation of the spherical valve core 1 and facilitate the installation of the seal 3. Since the groove 27 is provided in the middle, the middle part is expanded compared to the end part, so a step is formed between the middle part and the end part.

[0048] Specifically, when the three-way valve is in the first mode, the first valve core circulation port 13 is opposite to the through hole 32 in the first sealing member 3; after the valve core body 11 rotates 90°, the three-way valve is in the second mode, the second valve core circulation port 14 is opposite to the through hole 32 in the first sealing member 3, and the second valve core circulation port 14 is opposite to the through hole 32 in the second sealing member 3; after the valve core body 11 rotates 90°, the three-way valve is in the third mode, the first valve core circulation port 13 is opposite to the through hole 32 in the second sealing member 3.

[0049] Specifically, Figures 6 to 8As shown, the sealing member 3 comprises: a support block 31, on which a through hole 32 extending in the length direction of the valve body main body 21 is provided, the through hole 32 on the support block 31 in the sealing member 3 near the first end can connect the second valve core flow port 14 and the first valve body channel 22, and the through hole 32 on the support block 31 in the sealing member 3 near the second end can connect the third valve core flow port 15 and the second valve body channel 23; the support block 31 comprises a cylinder 311 and a protrusion 312 on the outer peripheral wall connected to one end of the cylinder 311, it can be understood that the through hole 32 runs through the entire support block 31, the protrusion 312 abuts against the valve core main body 11, and the other end of the cylinder 311 is inserted into the end; an elastic member 33, the elastic member 33 is sleeved outside the cylinder 311, and one end of the elastic member 33 abuts against the protrusion 312, and the other end of the elastic member 33 abuts against the side wall of the groove 27.

[0050] In this embodiment, the valve core body 11 can be compressed by the elastic member 33, and the valve core 1 is easily installed by the compression of the elastic member 33. The support body acts as a hard seal, and cooperates with the elastic member 33 to achieve a better sealing effect under a larger inlet pressure, thereby improving the sealing performance of the entire three-way valve.

[0051] The elastic member 33 is preferably a wave spring.

[0052] like Figures 6 to 8 As shown, based on the above embodiment, the sealing member 3 further includes a sealing ring 34, and the sealing ring 34 is arranged between the cylinder 311 and the inner wall of the end portion to further improve the sealing performance of the three-way valve.

[0053] like Figure 3 , Figures 6 to 8 As shown, on the basis of the above embodiment, further, a cavity is formed inside the valve body main body 21, and the cavity runs through the bottom of the valve body main body 21, that is, the bottom opening of the valve body main body 21 is arranged; a mounting cavity is formed in the middle of the cavity, and a first valve body channel 22 and a second valve body channel 23 are formed on both sides of the cavity respectively; the valve body 2 also includes a bottom sealing gasket 28, on which three openings are arranged, and the three openings correspond to the first valve body flow port 24, the second valve body flow port 25 and the third valve body flow port 26 respectively. Specifically, among the three openings, one is the first opening, one is the second opening, and the other is the third opening. The first opening is located between the second opening and the third opening. The bottom sealing gasket 28 separates the opening at the bottom of the valve body main body 21 into the first valve body flow port 24, the second valve body flow port 25 and the third valve body flow port 26. The first opening is arranged opposite to the interface 17 of the valve core 1, thereby reducing the process and reducing the pressure loss.

[0054] In this embodiment, a cavity is provided in the valve body main body 21 , which facilitates processing on the one hand, and facilitates installation of components in the valve body main body 21 on the other hand.

[0055] Specifically, in the longitudinal section, the middle portion of the valve body main body 21 may be substantially rectangular, and the end portions of the valve body main body 21 may be arc-shaped.

[0056] Specifically, an upper opening may be further provided at the top of the valve body main body 21 .

[0057] like Figure 3 As shown, based on the above embodiment, further, the actuator 4 and the connecting head 16 are provided with a connecting shaft 5, and the actuator 4 is drivingly connected to the connecting shaft 5. The actuator 4 can drive the connecting shaft 5 to rotate, thereby driving the valve core 1 to rotate.

[0058] An embodiment of the utility model also provides a thermal management system, including a three-way valve of any of the above-mentioned technical solutions, and also including a pipeline, which is connected to the three-way valve. Therefore, the thermal management system has all the beneficial technical effects of the three-way valve, which will not be repeated here.

[0059] The thermal management system provided by this embodiment has a simple and compact piping structure.

[0060] 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 three-way valve, characterized in that: include: A valve core, the valve core comprising a valve core body, a valve core channel arranged on the valve core body, and a valve core flow port arranged on the valve core body, the valve core flow port being in communication with the valve core channel; A valve body, the valve body comprising a valve body main body, a mounting cavity arranged on the valve body main body, and a first valve body channel, a second valve body channel, a first valve body flow port, a second valve body flow port and a third valve body flow port arranged on the valve body main body; the first valve body flow port is communicated with the valve core channel, the second valve body flow port is communicated with the first valve body channel, and the third valve body flow port is communicated with the second valve body channel; The valve core body is rotatably disposed in the installation cavity, and the first valve body channel and the second valve body channel are respectively located on both sides of the valve core body; the valve core flow port can be communicated with the second valve body channel and / or the second valve body channel.

2. The three-way valve according to claim 1, characterized in that: The valve core body comprises a first side portion, a second side portion and a third side portion which are adjacent to each other, wherein the second side portion is perpendicular to one side of the first side portion, and the third side portion is perpendicular to the other side of the first side portion; The valve core flow opening comprises a first valve core flow opening arranged at the first side portion, a second valve core flow opening arranged at the second side portion, and a third valve core flow opening arranged at the third side portion; The second valve core circulation port and the third valve core circulation port are both communicated with the first valve core circulation port; the first valve core circulation port, the second valve core circulation port and the third valve core circulation port are all communicated with the valve core channel.

3. The three-way valve according to claim 2, characterized in that: The cross-sectional shape of the second valve core flow opening and the cross-sectional shape of the third valve core flow opening are both triangular; Two ends of the first valve core flow opening are respectively arranged through the second side portion and the third side portion.

4. The three-way valve according to claim 2 or 3, characterized in that: The valve core body is spherical; A connector is provided at the top of the valve core body, and an interface communicating with the valve core channel is provided at the bottom of the valve core body, and the interface is communicated with the flow port of the first valve body.

5. The three-way valve according to claim 4, characterized in that: In the length direction of the valve body, the valve body includes a middle part and ends connected to both sides of the middle part; in the width direction of the valve body, grooves are symmetrically provided on both sides of the middle part, and the side parts of the valve core body can move in the grooves; the installation cavity is located in the middle part, and the first valve body channel and the second valve body channel are respectively located at the two ends; The three-way valve further includes a sealing member, which is symmetrically provided on both sides of the valve core body in the length direction of the valve body, and is connected between the inner wall of the valve body and the outer wall of the valve core body.

6. The three-way valve according to claim 5, characterized in that: The sealing member comprises: A support block, wherein the support block is provided with a through hole extending in the length direction of the valve body; the support block comprises a cylinder and a protrusion connected to the outer peripheral wall of one end of the cylinder, the protrusion abuts against the valve core body, and the other end of the cylinder is inserted into the end; An elastic member is sleeved outside the cylinder, one end of the elastic member abuts against the protrusion, and the other end of the elastic member abuts against the side wall of the groove.

7. The three-way valve according to claim 6, characterized in that: The sealing member further comprises a sealing ring, which is arranged between the cylinder and the inner wall of the end portion.

8. The three-way valve according to claim 1, characterized in that: A cavity is formed inside the valve body, and the cavity is arranged through the bottom of the valve body; the middle of the cavity forms the installation cavity, and the two sides of the cavity respectively form a first valve body channel and a second valve body channel; The valve body further comprises a bottom sealing gasket, and the sealing gasket is provided with three openings, and the three openings correspond to the first valve body flow opening, the second valve body flow opening and the third valve body flow opening respectively.

9. The three-way valve according to claim 4, characterized in that: Also includes: Actuator, the connecting head is provided with a connecting shaft, and the actuator is drivingly connected to the connecting shaft.

10. A thermal management system, characterized in that: include: A pipeline and a three-way valve as described in any one of claims 1 to 9, wherein the pipeline is connected to the three-way valve.

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