Electric valve and thermal management system

By designing the structure of the electric valve, the problem of poor versatility of existing water valves was solved, achieving the effects of reducing mold opening costs and improving versatility.

CN223908929UActive Publication Date: 2026-02-13ZHEJIANG YINLUN MACHINERY
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Patent Information

Application Number
CN202520687066.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-02-13
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

The existing water valves are non-standard structures, resulting in poor versatility and high mold opening costs.

Method used

Design an electric valve including a valve core, valve body, connecting pipe and internal sealing assembly. Water is transferred through the connection between the internal flow channel and the connecting pipe, and internal leakage is prevented by the internal seal. Each component can be molded separately, and the connecting pipe can be selected according to the requirements to improve versatility.

Benefits of technology

This improved the versatility of the water valve and reduced mold opening costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides an electric valve and a thermal management system, and relates to the field of automobile parts. The electric valve comprises a valve element, a valve body, at least two connecting pipes and at least two inner sealing assemblies. The valve element is contained in the valve body, at least two inner flow channel openings are formed in the peripheral wall of the valve element, at least two outer flow channel openings are formed in the peripheral wall of the valve body, the connecting pipe is connected to the valve body and penetrates through the outer flow channel openings, the connecting pipe is communicated with the inner flow channel openings, at least part of the inner sealing assembly is located in an inner cavity of the connecting pipe, and a protruding edge is formed on the inner wall of the connecting pipe. One end of the inner sealing assembly abuts against the protruding edge, and the other end of the inner sealing assembly abuts against the wall forming the inner flow channel opening. According to the electric valve, water liquid transmission can be achieved through communication of the inner flow channel openings and the connecting pipes, inner leakage is prevented through the inner sealing pieces, all the parts can be formed separately, different connecting pipes can be selected according to actual use requirements, and therefore the use universality is improved, and the mold opening cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts, specifically, an electric valve and a thermal management system. BACKGROUND

[0002] The water valve, as an important part of the automobile, plays a key role in the thermal management system of the automobile.

[0003] The existing water valve is mostly non-standard structure, which needs to be specially designed according to different use scenarios. Therefore, the existing water valve has the problems of poor universality and high mold opening cost. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of electric valve and thermal management system, it can improve the universality of water valve, to reduce mold opening cost in turn.

[0005] The embodiment of the utility model can be realized as follows:

[0006] The embodiment of the utility model provides an electric valve, which comprises:

[0007] Valve core, valve body, at least two connecting pipes and at least two inner sealing assemblies;

[0008] Among them, the valve core is contained in the valve body, the peripheral wall of the valve core is provided with at least two inner flow channel openings, the peripheral wall of the valve body is provided with at least two outer flow channel openings, the connecting pipe is connected to the valve body and is arranged in the outer flow channel opening, the connecting pipe is communicated with the inner flow channel opening, at least part of the inner sealing assembly is located in the inner cavity of the connecting pipe, the inner wall of the connecting pipe is formed with a convex rib, one end of the inner sealing assembly abuts against the convex rib, and the other end abuts against the wall forming the inner flow channel opening.

[0009] Optionally, the connecting pipe comprises an inner connecting section and an outer connecting section arranged in sequence along the direction from the inner flow channel opening to the outer flow channel opening, the inner connecting section is arranged in the outer flow channel opening and communicated with the inner flow channel opening, the connecting portion of the inner connecting section and the outer connecting section is radially provided with an extension section, and the extension section is connected to the valve body.

[0010] Optionally, the inner diameter of the inner connecting section is greater than the inner diameter of the outer connecting section;

[0011] And / or, the outer diameter of the inner diameter section is greater than the outer diameter of the outer connecting section;

[0012] And / or, the inner diameter of one end of the outer connecting section close to the inner connecting section gradually increases along the direction close to the inner stage;

[0013] And / or, the connecting portion of the inner connecting section and the outer connecting section is formed with the convex rib, and the convex rib is used for abutting the inner sealing assembly;

[0014] And / or, the peripheral wall of the extension section is provided with a weight-reducing groove.

[0015] Optionally, the peripheral wall of the extension section is formed with a first lug provided with a first connecting hole, and the peripheral wall of the valve body is formed with a second lug provided with a second connecting hole, and the first connecting hole and the second connecting hole are connected by a fastener.

[0016] Optionally, the outer connecting section is formed with a sleeve joint portion at an end away from the inner connecting section, and the sleeve joint portion is tapered.

[0017] Optionally, the inner sealing assembly includes a sealing gasket, a first sealing ring, and an elastic member, an inner wall of the first sealing ring is sleeved on the sealing gasket, an outer wall of the first sealing ring abuts against an inner wall of the connecting pipe, one end of the elastic member abuts against the sealing gasket, the other end of the elastic member abuts against a convex rib in the connecting pipe, and an end of the sealing gasket away from the elastic member is in contact with the valve core.

[0018] Optionally, the inner sealing assembly further includes a second sealing ring, an inner wall of the second sealing ring is sleeved on an outer wall of the connecting pipe, and an outer wall of the second sealing ring abuts against an inner wall of the outer flow passage.

[0019] Optionally, the electric valve further includes a cover plate connected to the valve body and a third sealing ring arranged between the cover plate and the valve body.

[0020] Optionally, the electric valve further includes an actuator connected to the valve body and matched with the valve core, and the actuator is arranged opposite to the cover plate.

[0021] The embodiment of the utility model further provides a kind of thermal management system, including electric valve.

[0022] The electric valve and the thermal management system of the embodiment of the utility model have the beneficial effects, for example:

[0023] The electric valve comprises a valve core, a valve body, at least two connecting pipes and at least two inner sealing assemblies; the valve core is accommodated in the valve body, the peripheral wall of the valve core is provided with at least two inner flow channel openings, the peripheral wall of the valve body is provided with at least two outer flow channel openings, the connecting pipes are connected to the valve body and pass through the outer flow channel openings, the connecting pipes are communicated with the inner flow channel openings, at least part of the inner sealing assemblies are located in the inner cavities of the connecting pipes, the inner walls of the connecting pipes are formed with convex ridges, one end of the inner sealing assemblies abuts against the convex ridges, and the other end abuts against the walls forming the inner flow channel openings. The electric valve can realize water liquid transmission through the communication of the inner flow channel openings and the connecting pipes, and prevent inner leakage through the inner sealing assemblies, the components can be respectively formed, and different connecting pipes can be selected according to actual use requirements, so as to improve the use versatility and reduce the mold opening cost.

[0024] The thermal management system comprises an electric valve which has all the functions of the electric valve. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 An exploded structural schematic view of the electric valve provided in the embodiments of the present application is shown in the figure.

[0027] Figure 2 A structural schematic view of the connecting pipe provided in the embodiments of the present application is shown in the figure.

[0028] Figure 3 A sectional schematic view of the connecting pipe provided in the embodiments of the present application is shown in the figure. Figure 1

[0029] Figure 4 A sectional schematic view of the connecting pipe provided in the embodiments of the present application is shown in the figure. Figure 2

[0030] Figure 5 A sectional schematic view of the electric valve provided in the embodiments of the present application is shown in the figure.

[0031] ​​Icon: 100 - electric valve; 110 - valve core; 111 - inner flow passage opening; 120 - valve body; 121 - outer flow passage opening; 122 - second lug; 123 - second connecting hole; 130 - connecting pipe; 131 - inner connecting section; 132 - extension section; 1321 - weight-reducing groove; 1322 - first lug; 1323 - first connecting hole; 133 - outer connecting section; 1331 - sleeving part; 134 - protruding rib; 140 - inner sealing assembly; 141 - sealing gasket; 142 - first sealing ring; 143 - elastic member; 144 - second sealing ring; 150 - cover plate; 155 - third sealing ring; 160 - actuator. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0034] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0035] In the description of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0036] In addition, if the terms "first", "second" and the like appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0037] The terms "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0038] Unless otherwise explicitly specified and limited, the terms "set", "connected", and the like should be interpreted broadly, for example, "connected" can be fixed connection, or detachable connection, or integral connection; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.

[0040] As the background art, the water valve as an important part of the automobile plays a key role in the thermal management system of the automobile. The existing water valve is mostly non-standard structure, which needs to be specially designed according to different use scenarios, therefore, the existing water valve has the problems of poor universality and high mold cost.

[0041] Please refer to Figure 1 And Figure 5 The electric valve 100 and the thermal management system provided in the embodiments of the utility model can solve the above problems, which will be described in detail next.

[0042] The electric valve 100 comprises a valve core 110, a valve body 120, at least two connecting pipes 130 and at least two inner sealing assemblies 140;

[0043] The valve core 110 is accommodated in the valve body 120, the peripheral wall of the valve core 110 is provided with at least two inner flow channel openings 111, the peripheral wall of the valve body 120 is provided with at least two outer flow channel openings 121, the connecting pipe 130 is connected to the valve body 120 and passes through the outer flow channel opening 121, the connecting pipe 130 communicates with the inner flow channel opening 111, at least part of the inner sealing assembly 140 is located in the inner cavity of the connecting pipe 130, the inner wall of the connecting pipe 130 is formed with a convex rib 134, one end of the inner sealing assembly 140 abuts against the convex rib 134, and the other end abuts against the wall forming the inner flow channel opening 111.

[0044] The electric valve 100 can realize water liquid transmission through the communication of the inner flow port 111 and the connecting pipe 130, and prevent internal leakage through the inner sealing element, each component can be formed respectively, and different connecting pipes 130 can be selected according to actual use requirements, thereby improving the use versatility, and reducing the mold opening cost.

[0045] It is worth noting that the number of the inner flow port 111 and the outer flow port 121 on the valve core 110 and the valve body 120 can be two, three or four, and the number of the connecting pipe 130 and the inner sealing assembly 140 is also two, three or four. When the number of the outer flow port 121 on the valve body 120 is less than four, the side without the outer flow port 121 can be closed.

[0046] Please refer to Figure 1 and Figure 2 The connecting pipe 130 includes an inner connecting section 131 and an outer connecting section 133 arranged in sequence along the direction from the inner flow port 111 to the outer flow port 121, the inner connecting section 131 is arranged through the outer flow port 121 and communicates with the inner flow port 111, the connecting position of the inner connecting section 131 and the outer connecting section 133 is radially provided with an extension section 132, and the extension section 132 is connected to the valve body 120.

[0047] In the embodiment, because the extension section 132 needs to be connected to the valve body 120, a larger outer diameter is needed to ensure sufficient connection strength, so that the relative position of the connecting pipe 130 and the valve body 120 is stable, and separation of the two under the impact of water liquid with high water pressure is avoided.

[0048] Specifically, the peripheral wall of the extension section 132 is formed with a first lug 1322, the first lug 1322 is provided with a first connecting hole 1323, the peripheral wall of the valve body 120 is formed with a second lug 122, the second lug 122 is provided with a second connecting hole 123, and the first connecting hole 1323 and the second connecting hole 123 are connected through a fastener.

[0049] In the embodiment, the number of the first lug 1322 is four, and the first connecting hole 1323 is arranged on each first lug 1322; similarly, the number of the second lug 122 is also four, and the second connecting hole 123 is arranged on each second lug 122. In other embodiments of the utility model, the number of the first lug 1322 and the second lug 122 can also be two, three or five, and the number of the connecting hole on a single lug can also be two, three or four, and the specific number of the lug and the connecting hole is not limited.

[0050] In this embodiment, the first connecting hole 1323 is a light hole, the second connecting hole 123 is a threaded hole, and the fastener is a bolt which is used to pass through the light hole and be screwed with the threaded hole; of course, in other embodiments of the utility model, the first connecting hole 1323 and the second connecting hole 123 can also be light holes, and the fastener is a bolt which can be in interference fit with the two light holes at the same time.

[0051] It should be noted that when facing the connection of pipelines with different inner diameters, the size of the outer connecting section 133 can be adjusted, and common specifications of the outer connecting section 133 include but are not limited to: DN38, DN30, DN25, DN20.

[0052] In addition, in order to ensure that the water liquid has sufficient flow pressure when flowing out of the valve core 110, the inner diameter of the inner connecting section 131 can be greater than the inner diameter of the outer connecting section 133, so that when the water liquid flows from the inner connecting section 131 into the outer connecting section 133, the pressure can be increased due to the decrease in the inner diameter. Further, in order to avoid material waste and ensure that the wall thickness of the connecting pipe 130 is consistent except for the extension section 132, the outer diameter of the inner diameter section is greater than the outer diameter of the outer connecting section 133.

[0053] Please refer to Figure 3 and Figure 4 , the connection between the inner connecting section 131 and the outer connecting section 133 forms a convex rib 134 which is used to abut against the inner sealing assembly 140. In addition, the inner diameter of the end of the outer connecting section 133 close to the inner connecting section 131 can be fixed or variable. When the inner diameter of this section is variable, the inner diameter can gradually increase along the direction close to the inner connecting section 131.

[0054] Please refer to Figure 2 , in order to reduce the material cost and avoid affecting the connection strength, the circumferential wall of the extension section 132 can be provided with a weight-reducing groove 1321. The number of the weight-reducing grooves 1321 is multiple, and the multiple weight-reducing grooves 1321 are sequentially arranged along the axial direction of the extension section 132.

[0055] In this embodiment, the mouth of the weight-reducing groove 1321 is rectangular; in other embodiments of the utility model, the mouth of the weight-reducing groove 1321 can also be circular, sector-shaped, triangular, etc., and the specific shape of the mouth is not limited.

[0056] Please refer to Figure 2 , in order to facilitate the installation and connection of the end of the connecting pipe 130 with other pipelines, the end of the outer connecting section 133 away from the inner connecting section 131 can form a sleeving part 1331 which is tapered. Specifically, the sleeving part 1331 protrudes from the wall surface of other positions of the outer connecting section 133, and the end of the sleeving part 1331 away from the inner connecting section 131 is formed with an inclined surface which is used to play a connection guiding role, thereby helping to improve the connection efficiency.

[0057] Please refer to Figure 1 and Figure 5 In order to ensure the internal leakage prevention performance between the connecting pipe 130 and the inner flow passage port 111, the inner sealing assembly 140 can comprise a sealing gasket 141, a first sealing ring 142 and an elastic member 143, the inner wall of the first sealing ring 142 is sleeved on the sealing gasket 141, the outer wall of the first sealing ring 142 abuts against the inner wall of the connecting pipe 130, one end of the elastic member 143 abuts against the sealing gasket 141, the other end of the elastic member abuts against the convex rib 134 in the connecting pipe 130, and the sealing gasket 141 is in contact with the valve core 110 away from the one end of the elastic member 143.

[0058] In addition, in order to improve the sealing performance between the connecting pipe 130 and the outer flow passage port 121, the inner sealing assembly 140 can further comprise a second sealing ring 144, the inner wall of the second sealing ring 144 is sleeved on the outer wall of the connecting pipe 130, and the outer wall of the second sealing ring 144 abuts against the inner wall of the outer flow passage port 121.

[0059] The sealing gasket 141 has a certain thickness and can play a buffering effect in addition to the sealing effect. The elastic member 143 is located between the sealing gasket 141 and the convex rib 134 and can also play a continuous load effect. In addition, the first sealing ring 142 and the second sealing ring 144 are both made of rubber.

[0060] In the embodiment, the elastic member 143 is a wave spring and is made of stainless steel, so as to ensure the elastic effect and also has the anti-corrosion and anti-rust performance; in other embodiments of the utility model, the elastic member 143 can also be other components with elastic potential energy storage and release, for example, a spiral spring, an elastic pad, etc., and the specific type of the elastic member 143 is not limited.

[0061] Please refer to Figure 1 In order to avoid water leakage from the bottom end of the valve body 120, the electric valve 100 can further comprise a cover plate 150 and a third sealing ring 155, the cover plate 150 is connected to the valve body 120, and the third sealing ring 155 is arranged between the cover plate 150 and the valve body 120. The third sealing ring 155 is made of rubber.

[0062] In the use state, the cover plate 150 and the third sealing ring 155 jointly seal the bottom end of the valve body 120, and the cover plate 150 can also protect the valve body 120, so as to avoid damage caused by external objects easily hitting the valve body 120.

[0063] Please refer to Figure 1 The electric valve 100 further comprises an actuator 160, the actuator 160 is connected to the valve body 120 and cooperates with the valve core 110, and the actuator 160 is arranged opposite to the cover plate 150.

[0064] In the use state, the actuator 160 is used for rotating under the action of external force, thereby driving the valve core 110 to rotate synchronously, so that the inner flow channel port 111 on the valve core 110 is communicated with different connecting pipes 130, thereby achieving different water control effects.

[0065] The embodiment of the utility model further provides a kind of thermal management system, including above-mentioned electric valve 100, further include water liquid input pipeline and water liquid output pipeline, wherein, water liquid input pipeline and water liquid output pipeline are respectively connected in different connecting pipes 130 of electric valve 100, can be rotated by actuator 160 and drive valve core 110, so that the position of water liquid supply input or output is adjusted.The thermal management system includes electric valve 100, it has the whole function of electric valve 100.

[0066] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of the change or replacement within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. An electrically operated valve characterised in that, The valve core (110), the valve body (120), at least two connecting pipes (130) and at least two inner sealing assemblies (140) are included. The valve core (110) is accommodated in the cavity of the valve body (120), the peripheral wall of the valve core (110) is provided with at least two inner flow channel openings (111), the peripheral wall of the valve body (120) is provided with at least two outer flow channel openings (121), the connecting pipe (130) is connected to the valve body (120) and penetrates the outer flow channel opening (121), the connecting pipe (130) communicates with the inner flow channel opening (111), at least part of the inner sealing assembly (140) is located in the inner cavity of the connecting pipe (130), the inner wall of the connecting pipe (130) is formed with a convex rib (134), one end of the inner sealing assembly (140) abuts against the convex rib (134), and the other end abuts against the wall forming the inner flow channel opening (111). The connecting pipe (130) includes an inner connecting section (131) and an outer connecting section (133) arranged in sequence along the direction from the inner flow channel opening (111) to the outer flow channel opening (121), the inner connecting section (131) penetrates the outer flow channel opening (121) and communicates with the inner flow channel opening (111), the connecting part of the inner connecting section (131) and the outer connecting section (133) is radially provided with an extension section (132), and the extension section (132) is connected to the valve body (120).

2. The motorized valve of claim 1, wherein, The inner diameter of the inner connecting section (131) is greater than the inner diameter of the outer connecting section (133); 3. The motorized valve of claim 2, wherein, And / or, the outer diameter of the inner connecting section (131) is greater than the outer diameter of the outer connecting section (133); And / or, the inner diameter of one end of the outer connecting section (133) close to the inner connecting section (131) gradually increases in the direction close to the inner connecting section (131); And / or, the connecting part of the inner connecting section (131) and the outer connecting section (133) is formed with the convex rib (134), and the convex rib (134) is used for abutting against the inner sealing assembly (140); And / or, the peripheral wall of the extension section (132) is provided with a lightening groove (1321). The peripheral wall of the extension section (132) is formed with a first lug (1322), the first lug (1322) is provided with a first connecting hole (1323), the peripheral wall of the valve body (120) is formed with a second lug (122), the second lug (122) is provided with a second connecting hole (123), and the first connecting hole (1323) and the second connecting hole (123) are connected through a fastener.

4. The motorized valve of claim 2, wherein, One end of the outer connecting section (133) away from the inner connecting section (131) is formed with a sleeve connecting part (1331), and the sleeve connecting part (1331) is in a tapered shape.

5. The motorized valve of claim 2, wherein, ​ 6. The motorized valve according to any one of claims 1-5, wherein, The inner sealing assembly (140) comprises a sealing gasket (141), a first sealing ring (142) and an elastic member (143), an inner wall of the first sealing ring (142) is sleeved on the sealing gasket (141), an outer wall of the first sealing ring (142) abuts against an inner wall of the connector (130), one end of the elastic member (143) abuts against the sealing gasket (141), the other end of the elastic member abuts against a convex rib (134) in the connector (130), and the sealing gasket (141) is in contact with the valve core (110) away from one end of the elastic member (143).

7. The motorized valve of claim 6, wherein, The inner sealing assembly (140) further comprises a second sealing ring (144), an inner wall of the second sealing ring (144) is sleeved on an outer wall of the connector (130), and an outer wall of the second sealing ring (144) abuts against an inner wall of the outer flow passage (121).

8. The motorized valve according to any one of claims 1-5, wherein, The electric valve further comprises a cover plate (150) and a third sealing ring (155), the cover plate (150) is connected to the valve body (120), and the third sealing ring (155) is arranged between the cover plate (150) and the valve body (120).

9. The motorized valve of claim 8, wherein, The electric valve further comprises an actuator (160), the actuator (160) is connected to the valve body (120) and cooperates with the valve core (110), and the actuator (160) is arranged opposite to the cover plate (150).

10. A thermal management system characterized by, The electric valve comprises the electric valve according to any one of claims 1-9.