Multi-way valve, thermal management system and vehicle

Abstract

The embodiment of the utility model relates to the technical field of multi-way valves, and particularly discloses a multi-way valve, a heat management system and a vehicle, the multi-way valve comprises a valve body, the valve body is provided with a plurality of liquid flow channels, and one side of the valve body is provided with a connecting pin; the first cover plate covers one side of the liquid flow channel, the first cover plate and the valve body are relatively fixed, a connecting hole is formed in the first cover plate, a connecting pin is inserted into the connecting hole, and the connecting pin and the first cover plate are welded and fixed; the second cover plate is arranged on the other side of the liquid flow channel in a covering mode, a plurality of liquid flow openings are formed in the second cover plate, and the liquid flow openings communicate with the liquid flow channel; the valve element is arranged on the side, away from the valve body, of the second cover plate, and the valve element can rotate relative to the valve body. Through the mode, the contact area between the valve body and the first cover plate can be increased, so that connection between the valve body and the first cover plate is tighter, and the situation of liquid leakage between the valve body and the first cover plate is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of multi-way valves, and in particular to a multi-way valve, a thermal management system and a vehicle. Background Art

[0002] Multiple circulation loops are designed into a vehicle's thermal management system. As thermal management systems become increasingly mature and complex, the demand for thermal management modes is increasing, necessitating alternating between the open and closed states of different channels to meet the needs of the vehicle's various thermal management modes. The electronic water valve is a crucial component for fluid management and distribution within the thermal management system. It can change the cross-section of the pathway and the direction of medium flow, providing functions such as diversion, shutoff, and diversion. In related technologies, the electronic water valve comprises a valve body, an upper cover plate, and a lower cover plate. The upper and lower cover plates are welded to the valve body to form an internal seal, thereby reducing leakage from the valve body.

[0003] In the process of realizing the present application, the inventors of the present application found that in the related art, the contact area between the valve body and the upper cover plate is small, and the connection between the two is not tight enough, which easily causes liquid leakage between the valve body and the upper cover plate, and the airtightness between the valve body and the upper cover plate still needs to be improved. Utility Model Content

[0004] In view of the above problems, embodiments of the present application provide a multi-way valve, a thermal management system, and a vehicle, which overcome the above problems or at least partially solve the above problems.

[0005] According to one aspect of the present application, a multi-way valve is provided, including: a valve body, the valve body is provided with a plurality of liquid flow channels, and a connecting pin is provided on one side of the valve body; a first cover plate, which is provided on one side of the liquid flow channel, the first cover plate is relatively fixed to the valve body, and a connecting hole is provided on the first cover plate, the connecting hole is for the connecting pin to be plugged in, and the connecting pin is welded and fixed to the first cover plate; a second cover plate, which is provided on the other side of the liquid flow channel, the second cover plate is provided with a plurality of liquid flow ports, and the liquid flow ports are connected to the liquid flow channel; a valve core, which is provided on the side of the second cover plate away from the valve body, and the valve core can rotate relative to the valve body.

[0006] In an optional manner, a connecting column is provided on a side of the first cover plate facing away from the valve body, the connecting hole is located on the connecting column, and one end of the connecting pin extends out of the connecting hole and is connected to the connecting column.

[0007] In an optional manner, a plurality of partition plates are provided in the valve body, the partition plates divide the interior of the valve body into a plurality of liquid flow channels, and the partition plates are connected to the first cover plate.

[0008] In an optional manner, there are multiple connecting pins, the number of which corresponds to the number of the partition plates, and the connecting pins are located on a side of the partition plate close to the first cover plate.

[0009] In an optional manner, a limiting hole is provided on a side of the valve body close to the second cover plate; a limiting column is provided on the second cover plate, and the limiting column is inserted into the limiting hole.

[0010] In an optional manner, a plurality of liquid separation channels that are not connected to each other are provided on the valve core, and one of the liquid separation channels is connected to at least two of the liquid flow ports.

[0011] In an optional manner, a limiting groove is provided on a side of the first cover plate close to the valve body; a limiting protrusion is provided on the periphery of the valve body, and the limiting protrusion is inserted into the limiting groove.

[0012] In an optional embodiment, the second cover plate is detachably connected to the valve body; a first connecting portion is provided on the second cover plate, a first screw hole is provided on the first connecting portion, a second connecting portion is provided on the valve body, a second screw hole is provided on the second connecting portion, the second screw hole is arranged opposite to the first screw hole, and the first screw hole and the second screw hole are connected by screws.

[0013] According to another aspect of the present application, a thermal management system is provided. The thermal management system includes the multi-way valve as described above.

[0014] According to another aspect of the present application, a vehicle is provided. The vehicle includes the thermal management system as described above.

[0015] The beneficial effect of the embodiment of the present application is that, different from the prior art, the embodiment of the present application is provided with a valve body, a first cover plate, a second cover plate and a valve core. wherein the valve body is provided with multiple liquid flow channels, a connecting pin is provided on one side of the valve body, the first cover plate is covered on one side of the liquid flow channel, the first cover plate is fixed relatively to the valve body, a connecting hole is provided on the first cover plate, the connecting hole is for the connecting pin to be inserted, and the connecting pin and the first cover plate are welded and fixed, the second cover plate is covered on the other side of the liquid flow channel, a plurality of liquid flow ports are provided on the second cover plate, the liquid flow ports are connected to the liquid flow channel, the valve core is provided on the side of the second cover plate facing away from the valve body, the valve core can rotate relative to the valve body, the valve body and the first cover plate are connected in the connecting hole by the connecting pin to increase the contact area between the valve body and the first cover plate, thereby making the connection between the valve body and the first cover plate tighter, thereby reducing liquid leakage between the valve body and the first cover plate, and ensuring the air tightness between the valve body and the first cover plate. In addition, the welding structure formed between the connecting pin and the first cover plate can strengthen the welding strength between the first cover plate and the valve body, and improve the pressure resistance of the multi-way valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the specific embodiments of this application or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0017] Figure 1 This is a perspective diagram of a partial structure of a multi-way valve according to an embodiment of the present application;

[0018] Figure 2 This is a schematic diagram of a partial structure of a valve core of a multi-way valve according to an embodiment of the present application;

[0019] Figure 3 This is a partial structural exploded diagram of a multi-way valve according to an embodiment of the present application;

[0020] Figure 4 This is a schematic diagram of a partial structure of the multi-way valve according to an embodiment of the present application from another angle;

[0021] Figure 5 This is a schematic diagram of a partial structure of the multi-way valve according to an embodiment of the present application, which is exploded from another angle;

[0022] Figure 6 This is a schematic diagram of a partial structure of a valve core of a multi-way valve according to an embodiment of the present application from another angle;

[0023] Figure 7 This is a schematic diagram of a partial structure of a multi-way valve according to an embodiment of the present application;

[0024] Figure 8 This is a schematic diagram of another state of a partial structure of the multi-way valve in an embodiment of the present application. DETAILED DESCRIPTION

[0025] In order to facilitate understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by those skilled in the art to which this application belongs. The terms used in this specification and in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" as used in this specification includes any and all combinations of one or more of the relevant listed items.

[0027] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0028] See also Figure 1 and Figure 2 The multi-way valve 1000 includes a valve body 10, a first cover plate 20, a second cover plate 30, and a valve core 40. The first cover plate 20 is mounted on one side of the valve body 10, and the second cover plate 30 is mounted on the other side of the valve body 10. The first cover plate 20 and the second cover plate 30 are both relatively fixed to the valve body 10. The valve core 40 is mounted on the side of the second cover plate 30 facing away from the valve body 10. The interior of the valve core 40 is interconnected with the interior of the valve body 10. The valve body 10, the first cover plate 20, the second cover plate 30, and the valve core 40 are described in detail below.

[0029] For the valve body 10 and the first cover plate 20, as Figure 3 and Figure 4 As shown, the valve body 10 is provided with multiple liquid flow channels 101. A first cover plate 20 is disposed on one side of the liquid flow channels 101, and the first cover plate 20 is fixed relative to the valve body 10. The liquid flow channels 101 allow liquid to flow, and the first cover plate 20 is connected to the valve body 10 to ensure the airtightness of the valve body 10. It is understood that the relative fixing methods between the valve body 10 and the first cover plate 20 include, but are not limited to, welding, screwing, threaded connection, riveting, clamping, etc.

[0030] In some embodiments, a connecting pin 102 is provided on one side of the valve body 10, and a connecting hole 201 is provided on the first cover plate 20. The connecting hole 201 is for the connecting pin 102 to be inserted. The connecting pin 102 and the first cover plate 20 are welded and fixed. The mutual cooperation between the connecting pin 102 and the connecting hole 201 can increase the contact area between the valve body 10 and the first cover plate 20, thereby making the connection between the valve body 10 and the first cover plate 20 tighter, thereby reducing the possibility of liquid leakage between the valve body 10 and the first cover plate 20, and ensuring the airtightness between the valve body 10 and the first cover plate 20. It is understood that the welding method between the connecting pin 102 and the first cover plate 20 includes but is not limited to laser welding, arc welding, friction welding, spot welding, etc.

[0031] In some embodiments, a connecting post 202 is provided on the side of the first cover plate 20 facing away from the valve body 10. A connecting hole 201 is located on the connecting post 202, and one end of the connecting pin 102 extends out of the connecting hole 201 and connects to the connecting post 202. The connection between the connecting pin 102 and the connecting post 202 ensures a more stable connection between the valve body 10 and the first cover plate 20. In some embodiments, there are multiple connecting pins 102 and multiple connecting posts 202, and the number of connecting pins 102 and connecting posts 202 corresponds to each other. It is understood that the connection between the connecting pin 102 and the connecting post 202 includes, but is not limited to, welding, screwing, etc.

[0032] In some embodiments, a plurality of partition plates 103 are provided in the valve body 10. The partition plates 103 divide the interior of the valve body 10 into a plurality of liquid flow channels 101. The partition plates 103 are connected to the first cover plate 20. The connection between the partition plates 103 and the first cover plate 20 can ensure a more compact connection between the first cover plate 20 and the valve body 10, ensure the airtightness of the valve body 10, and improve the pressure resistance of the valve body 10. It is understood that the connection method between the partition plates 103 and the first cover plate 20 includes but is not limited to welding, screwing, etc. In some embodiments, the number of partition plates 103 corresponds to the number of the above-mentioned connecting pins 102, and the connecting pins 102 are located on the side of the partition plate 103 close to the first cover plate 20. The connecting pins 102 and the partition plates 103 can be made as one piece, or the connection method between the connecting pins 102 and the partition plates 103 is a detachable connection.

[0033] In some embodiments, a limiting groove 203 is provided on one side of the first cover plate 20 close to the valve body 10, and a limiting protrusion 104 is provided on the periphery of the valve body 10. The limiting protrusion 104 is inserted into the limiting groove 203. The mutual cooperation between the limiting protrusion 104 and the limiting groove 203 can ensure that the first cover plate 20 is installed at a preset installation position on the valve body 10. At the same time, the first cover plate 20 is stably installed on the valve body 10, reducing the movement or rotation of the first cover plate 20.

[0034] In some embodiments, a limiting hole 105 is provided on one side of the valve body 10 close to the second cover plate 30 . The limiting hole 105 is used to cooperate with components on the second cover plate 30 to ensure the installation stability of the second cover plate 30 .

[0035] In some embodiments, please refer to Figure 5 The plurality of liquid flow channels 101 include a first liquid flow channel 1011 , a second liquid flow channel 1012 , a third liquid flow channel 1013 , a fourth liquid flow channel 1014 , a fifth liquid flow channel 1015 , a sixth liquid flow channel 1016 , a seventh liquid flow channel 1017 and an eighth liquid flow channel 1018 .

[0036] For the second cover plate 30 and the valve core 40, as shown in FIG. Figure 2-Figure 4As shown, the second cover plate 30 covers the other side of the liquid flow channel 101. The second cover plate 30 is provided with a plurality of liquid flow ports 301. The liquid flow ports 301 are connected to the liquid flow channel 101, and liquid in the liquid flow channel 101 can flow into or out of the liquid flow channel 101 through the liquid flow ports 301. The valve core 40 is provided on the side of the second cover plate 30 facing away from the valve body 10. The valve core 40 is rotatable relative to the valve body 10. By rotating the valve core 40, the connection state of different liquid flow channels 101 on the valve body 10 can be changed.

[0037] In some embodiments, please refer to Figure 5 and Figure 6 The valve core 40 is provided with a plurality of mutually unconnected liquid separation channels 401. Each liquid separation channel 401 is connected to at least two liquid flow ports 301. By rotating the valve core 40, different liquid flow channels 101 can be connected to different liquid separation channels 401, thereby changing the flow direction of the liquid in the liquid flow channel 101. In some embodiments, the plurality of mutually unconnected liquid separation channels 401 include a first liquid separation channel 401a, a second liquid separation channel 401b, a third liquid separation channel 401c, and a fourth liquid separation channel 401d.

[0038] In some embodiments, the plurality of liquid flow ports 301 include a first liquid flow port 3011, a second liquid flow port 3012, a third liquid flow port 3013, a fourth liquid flow port 3014, a fifth liquid flow port 3015, a sixth liquid flow port 3016, a seventh liquid flow port 3017, and an eighth liquid flow port 3018. The first liquid flow port 3011 is connected to the first liquid flow channel 1011, the second liquid flow port 3012 is connected to the second liquid flow channel 1012, the third liquid flow port 3013 is connected to the third liquid flow channel 1013, and the fourth liquid flow port 3015 is connected to the first liquid flow channel 1016. The valve core 40 is connected to the fourth liquid flow channel 1014, the fifth liquid flow port 3015 is connected to the fifth liquid flow channel 1015, the sixth liquid flow port 3016 is connected to the sixth liquid flow channel 1016, the seventh liquid flow port 3017 is connected to the seventh liquid flow channel 1017, and the eighth liquid flow port 3018 is connected to the eighth liquid flow channel 1018. By rotating the valve core 40, different liquid flow channels 101 can be connected to different liquid separation channels 401, thereby changing the flow direction of the liquid in the liquid flow channel 101. For example, please refer to Figure 7 In the initial state, the first liquid flow channel 1011 and the second liquid flow channel 1012 are interconnected with the first liquid separation channel 401a, the third liquid flow channel 1013 and the fourth liquid flow channel 1014 are interconnected with the second liquid separation channel 401b, the fifth liquid flow channel 1015 and the eighth liquid flow channel 1018 are interconnected with the third liquid separation channel 401c, and the sixth liquid flow channel 1016 and the seventh liquid flow channel 1017 are interconnected with the fourth liquid separation channel 401d. After the valve core 40 rotates counterclockwise by a preset angle, please refer to Figure 8At this time, the third liquid flow channel 1013 and the fourth liquid flow channel 1014 are interconnected with the first liquid separation channel 401a, the fifth liquid flow channel 1015 and the sixth liquid flow channel 1016 are interconnected with the second liquid separation channel 401b, the second liquid flow channel 1012 and the seventh liquid flow channel 1017 are interconnected with the third liquid separation channel 401c, and the first liquid flow channel 1011 and the eighth liquid flow channel 1018 are interconnected with the fourth liquid separation channel 401d, thereby achieving the connection between different liquid flow channels 101 and different liquid separation channels 401. It can be understood that the valve core 40 can rotate counterclockwise or clockwise, and the preset rotation angle of the valve core 40 is not specifically limited in this application and can be set by the user according to actual needs.

[0039] In some embodiments, the first liquid flow port 3011 includes a first liquid port 3011a and a second liquid port 3011b, the second liquid flow port 3012 includes a third liquid port 3012a and a fourth liquid port 3012b, the third liquid flow port 3013 includes a fifth liquid port 3013a and a sixth liquid port 3013b, the fourth liquid flow port 3014 includes a seventh liquid port 3014a and an eighth liquid port 3014b, the fifth liquid flow port 3015 includes a ninth liquid port 3015a and a tenth liquid port 3015b, the sixth liquid flow port 3016 includes an eleventh liquid port 3016a and a twelfth liquid port 3016b, the seventh liquid flow port 3017 includes a thirteenth liquid port 3017a and a fourteenth liquid port 3017b, and the eighth liquid flow port 3018 includes a fifteenth liquid port 3018a and a sixteenth liquid port 3018b. It can be understood that: one of the first liquid port 3011a and the second liquid port 3011b, the third liquid port 3012a and the fourth liquid port 3012b, the fifth liquid port 3013a and the sixth liquid port 3013b, the seventh liquid port 3014a and the eighth liquid port 3014b, the ninth liquid port 3015a and the tenth liquid port 3015b, the eleventh liquid port 3016a and the twelfth liquid port 3016b, the thirteenth liquid port 3017a and the fourteenth liquid port 3017b, and the fifteenth liquid port 3018a and the sixteenth liquid port 3018b is a liquid inlet, and the other is a liquid outlet.

[0040] In some embodiments, a limiting column 302 is provided on the second cover plate 30, and the limiting column 302 is inserted into the limiting hole 105, which can ensure that the second cover plate 30 is installed at a preset installation position on the valve body 10. At the same time, the second cover plate 30 can be stably installed on the valve body 10, reducing the movement or rotation of the second cover plate 30.

[0041] In some embodiments, the second cover plate 30 and the valve body 10 are detachably connected, and the detachable connection between the second cover plate 30 and the valve body 10 includes but is not limited to screw connection, threaded connection, clamping connection, etc.

[0042] In some embodiments, a first connecting portion 303 is provided on the second cover plate 30, a first screw hole 3031 is provided on the first connecting portion 303, a second connecting portion 106 is provided on the valve body 10, a second screw hole 1061 is provided on the second connecting portion 106, the second screw hole 1061 is arranged opposite to the first screw hole 3031, and the first screw hole 3031 and the second screw hole 1061 are connected by screws, thereby realizing a detachable connection between the second cover plate 30 and the valve body 10.

[0043] In the embodiment of the present application, a valve body 10, a first cover plate 20, a second cover plate 30 and a valve core 40 are provided. Among them, the valve body 10 is provided with a plurality of liquid flow channels 101, a connecting pin 102 is provided on one side of the valve body 10, the first cover plate 20 is provided on one side of the liquid flow channel 101, the first cover plate 20 is relatively fixed to the valve body 10, a connecting hole 201 is provided on the first cover plate 20, the connecting hole 201 is for the connecting pin 102 to be inserted, and the connecting pin 102 is welded and fixed to the first cover plate 20, the second cover plate 30 is provided on the other side of the liquid flow channel 101, the second cover plate 30 is provided with a plurality of liquid flow ports 301, the liquid flow ports 301 are connected to the liquid flow channel 101, and the valve core 40 is provided on the second cover plate 30 away from the valve body 10. On one side, the valve core 40 can rotate relative to the valve body 10, and the valve body 10 and the first cover plate 20 are connected by a connecting pin 102 inserted into the connecting hole 201 to increase the contact area between the valve body 10 and the first cover plate 20, thereby making the connection between the valve body 10 and the first cover plate 20 tighter, thereby reducing liquid leakage between the valve body 10 and the first cover plate 20 to ensure the air tightness between the valve body 10 and the first cover plate 20. In addition, the welding structure formed between the connecting pin 102 and the first cover plate 20 can strengthen the welding strength between the first cover plate 20 and the valve body 10, thereby improving the pressure resistance of the multi-way valve 1000.

[0044] The present application also provides an embodiment of a thermal management system, which includes the multi-way valve 1000 as described above. The function and structure of the multi-way valve 1000 can be found in the above embodiments and will not be described in detail here.

[0045] The present application also provides an embodiment of a vehicle, which includes the thermal management system as described above. The functions and structures of the thermal management system can be found in the above embodiments and will not be described in detail here.

[0046] The above description is merely an embodiment of the present application and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A multi-way valve, characterized in that: include: A valve body, wherein the valve body is provided with a plurality of liquid flow channels, and a connecting pin is provided on one side of the valve body; a first cover plate, covering one side of the liquid flow channel, the first cover plate being fixed relative to the valve body, the first cover plate being provided with a connecting hole for inserting the connecting pin, and the connecting pin being fixed to the first cover plate by welding; a second cover plate, covering the other side of the liquid flow channel, wherein the second cover plate is provided with a plurality of liquid flow ports, wherein the liquid flow ports are connected to the liquid flow channel; The valve core is arranged on a side of the second cover plate away from the valve body, and the valve core can rotate relative to the valve body.

2. The multi-way valve according to claim 1, characterized in that A connecting column is provided on a side of the first cover plate facing away from the valve body. The connecting hole is located on the connecting column. One end of the connecting pin extends out of the connecting hole and is connected to the connecting column.

3. The multi-way valve according to claim 2, characterized in that: A plurality of partition plates are provided in the valve body, and the partition plates divide the interior of the valve body into a plurality of liquid flow channels, and the partition plates are connected to the first cover plate.

4. The multi-way valve according to claim 3, characterized in that: There are multiple connecting pins, and the number of the connecting pins corresponds to the number of the partition plates. The connecting pins are located on a side of the partition plate close to the first cover plate.

5. The multi-way valve according to claim 1, characterized in that A limiting hole is provided on one side of the valve body close to the second cover plate; A limiting column is provided on the second cover plate, and the limiting column is inserted into the limiting hole.

6. The multi-way valve according to claim 1, characterized in that The valve core is provided with a plurality of liquid separation channels which are not connected to each other, and one of the liquid separation channels is connected to at least two of the liquid flow ports.

7. The multi-way valve according to claim 1, characterized in that A limiting groove is provided on one side of the first cover plate close to the valve body; A limiting protrusion is provided on the periphery of the valve body, and the limiting protrusion is inserted into the limiting groove.

8. The multi-way valve according to claim 1, wherein: The second cover plate is detachably connected to the valve body; A first connecting portion is provided on the second cover plate, a first screw hole is provided on the first connecting portion, a second connecting portion is provided on the valve body, a second screw hole is provided on the second connecting portion, the second screw hole is arranged opposite to the first screw hole, and the first screw hole and the second screw hole are connected by screws.

9. A thermal management system, characterized in that: The multi-way valve comprises the multi-way valve according to any one of claims 1 to 8.

10. A vehicle, characterized in that: Includes the thermal management system according to claim 9.

Images