CN217502677U

CN217502677U - Electrically operated valve and integrated component

Info

Publication number: CN217502677U
Application number: CN202221030665.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-27
Anticipated expiration: 2032-04-29

Abstract

An electric valve and an integrated assembly are provided, the electric valve comprises a valve body assembly and a first sealing element, the valve body assembly comprises a valve main body and a first protruding portion, the first protruding portion protrudes relative to the bottom wall of the valve main body, a first interface is positioned on the first protruding portion, the first sealing element surrounds the first protruding portion along the circumferential direction of the first protruding portion, the communicating assembly comprises an installation portion, the installation portion is provided with an installation cavity, at least part of the valve body assembly is positioned in the installation cavity, the communicating assembly is provided with a first pore passage, after the electric valve and the communicating assembly are assembled, at least part of the first protruding portion is positioned in the first pore passage, the first interface is communicated with the first pore passage, the first sealing element is extruded between the first protruding portion and the inner wall of the first pore passage along the radial direction of the electric valve, the compression amount of the first sealing element is mainly controlled by the structural sizes of the first protruding portion and the first pore passage, and the influence of the assembling force between the electric valve and the communicating assembly on the compression amount of the first sealing element is favorably reduced, the risk of sealing failure is favorably reduced.

Description

Electrically operated valve and integrated component

Technical Field

The application relates to the technical field of fluid control, in particular to an electric valve and an integrated assembly.

Background

An electrically operated valve can be applied in a vehicle refrigerant cycle system for controlling the opening or closing or reversing of a fluid passage. The electric valve is used for assembling with the communicating component, and at least part of the electric valve is inserted into the communicating component, and after the electric valve is assembled with the communicating component, the compression amount of the sealing part is easily influenced by the assembling force, and the risk of sealing failure exists.

SUMMERY OF THE UTILITY MODEL

The application aims to provide an electric valve and an integrated assembly, which are beneficial to reducing the risk of sealing failure.

In order to achieve the above purpose, one embodiment of the present application adopts the following technical solutions:

an electrically operated valve comprises a valve core and a valve body assembly, wherein the valve core is positioned in the valve body assembly, the valve body assembly is provided with a first interface and a second interface, the valve core is provided with a hole which can be communicated with the first interface and the second interface, the valve body assembly comprises a valve main body and a first protruding part, the valve main body comprises a bottom wall, the first protruding part protrudes relative to the bottom wall along the axial direction of the electrically operated valve, the first interface is positioned in the first protruding part, the electrically operated valve comprises a first sealing element, and the first sealing element surrounds the first protruding part along the circumferential direction of the first protruding part.

An integrated component comprises a communicating component and an electric valve, wherein the communicating component comprises an installation part, the installation part is provided with an installation cavity, at least part of a valve body component is located in the installation cavity, the communicating component is provided with a first pore passage and a second pore passage, the first pore passage is communicated with a first interface, the second pore passage is communicated with a second interface, at least part of a first protruding part is located in the first pore passage, the first protruding part is located in the radial direction of the electric valve, and a first sealing element is extruded between the first protruding part and the inner wall of the first pore passage.

One embodiment of the application provides an electric valve and an integrated assembly, the electric valve comprises a valve body assembly and a first sealing element, the valve body assembly comprises a valve main body and a first protruding portion, the first protruding portion protrudes relative to the bottom wall of the valve main body, a first interface is positioned on the first protruding portion, the first sealing element surrounds the first protruding portion along the circumferential direction of the first protruding portion, the communicating assembly comprises a mounting portion, the mounting portion is provided with a mounting cavity, at least part of the valve body assembly is positioned in the mounting cavity, the communicating assembly is provided with a first pore channel, after the electric valve is assembled with the communicating assembly, at least part of the first protruding portion is positioned in the first pore channel, the first interface is communicated with the first pore channel, the first sealing element is extruded between the first protruding portion and the inner wall of the first pore channel along the radial direction of the electric valve, the compression amount of the first sealing element is mainly controlled by the structural dimensions of the first protruding portion and the first pore channel, the influence of the assembling force between the electric valve and the communicating component on the compression amount of the first sealing element is favorably reduced, and the risk of sealing failure is favorably reduced.

Drawings

Figure 1 is a schematic perspective view of one embodiment of an electrically operated valve of the present application;

figure 2 is a cross-sectional schematic view of the electrically operated valve of figure 1;

FIG. 3 is a cross-sectional structural schematic view of a first state of an embodiment of the valve member;

FIG. 4 is a cross-sectional structural schematic view of the second state of the valve member illustrated in FIG. 2;

FIG. 5 is a cross-sectional structural schematic view of another embodiment of the valve member;

FIG. 6 is a cross-sectional structural schematic view of yet another embodiment of the valve member;

FIG. 7 is a cross-sectional structural schematic view of an embodiment of an integrated component of the present application;

FIG. 8 is a cross-sectional structural view of an embodiment of a joint connection;

FIG. 9 is a cross-sectional view of another embodiment of a joint connection structure;

fig. 10 is a cross-sectional view schematically showing still another embodiment of the connecting portion connecting structure.

Detailed Description

The present invention is further described with reference to the following detailed description and accompanying drawings, in which numerous specific details are set forth in order to provide a thorough understanding of the present invention. Those skilled in the art will appreciate that the specific components, devices, and features illustrated in the accompanying drawings and described herein are merely exemplary and should not be considered as limiting.

Referring to fig. 1 and 2, the electrically operated valve may be applied to a vehicle thermal management system or an air conditioning system, and particularly may be applied to a circulating system of high-pressure fluid such as refrigerant, etc., wherein the vehicle thermal management system includes a new energy vehicle thermal management system. The electric valve 100 comprises a driving part 1 and a valve part 2, wherein the driving part 1 is located at the periphery of a part of the valve part 2, the driving part 1 is fixedly connected or in a limiting connection with the valve part 2, and further, a sealing arrangement can be arranged between the driving part 1 and the valve part 2, which is beneficial to preventing moisture or other impurities in the external environment from entering from an assembly gap between the driving part 1 and the valve part 2 to cause corrosion or failure inside the driving part 1. The driving component 1 comprises a shell body and a stator assembly 11, the driving component is formed by injection molding at least by taking the stator assembly 11 as an insert, and the shell body is an injection molding piece. The electric valve 100 is electrically and/or signally connected to the outside via the drive part 1.

Referring to fig. 3, the valve member 2 includes a rotor 61, a transmission assembly 62, a sleeve 63, a valve rod 29, a valve core 21 and a valve body assembly 22, the valve member 2 has a valve core cavity 226, the valve core cavity 226 is located in the valve body assembly 22, the valve core 21 is located in the valve core cavity 226, one end of the valve rod 29 is in transmission connection with the valve core 21, the other end of the valve rod 29 is in transmission connection with the transmission assembly 62, the transmission assembly 62 is in transmission connection with the rotor 61, and part of the transmission assembly 62 is located in a rotor cavity formed by the rotor 61, which is beneficial to reducing the axial height of the valve member 2, and thus reducing the axial height of the electric valve 100. The sleeve 63 is fixedly connected or in a limiting connection with the valve body assembly 22, the sleeve 63 and the valve body assembly 22 are assembled to form a containing cavity, the rotor 61 is located in the containing cavity, at least part of the transmission assembly 62 and part of the valve rod 29 are located in the containing cavity, and the valve body assembly 22 is located on the periphery of the other part of the valve rod 29.

Referring to fig. 3, the valve body assembly 22 has a first connection port 222 and a second connection port 223, the valve body 21 has a hole 211, the hole 211 can communicate the first connection port 222 and the second connection port 223 by rotating the valve body 21, the valve body assembly 22 includes a valve main body 25, a connecting portion 227 and a first protrusion 27, the valve main body 25 includes a bottom wall 24, the axial direction of the electric valve 100 is defined as the axial direction of the rotor 61, the axial direction of the electric valve 100 is shown as N direction in fig. 3, the bottom wall 24 is located on the side of the valve main body 25 facing away from the rotor 61 along the axial direction of the electric valve 100, the first protrusion 27 protrudes relative to the bottom wall 24 of the valve main body 25 along the axial direction of the electric valve 100, and specifically, at least part of the first protrusion 27 is of an annular structure; along the axial direction of the electric valve 100, the connecting part 227 is farther away from the first protruding part 27 than the bottom wall 24, and the connecting part 227 is used for being fixedly connected or in limited connection with the communication component; the first port 222 is located in the first protruding portion 27, the electric valve 100 includes a first sealing element 33, the first sealing element 33 surrounds the first protruding portion 27 along the circumferential direction of the first protruding portion 27, specifically, the first sealing element 33 is an O-ring, and the first sealing element 33 is sleeved on the outer periphery of the first protruding portion 27. Referring to fig. 7, the electric valve 100 is configured to be assembled with the communicating component 200, the communicating component 200 includes a mounting portion 204, the mounting portion 204 has a mounting cavity 2043, the valve body component 22 is located in the mounting cavity 2043, the connecting portion 227 of the valve body component 22 is fixedly connected or connected with the communicating component 200 in a limiting manner, the communicating component 200 has a first aperture 202, after the electric valve 100 is assembled with the communicating component 200, referring to fig. 7, at least a portion of the first protrusion 27 is located in the first aperture 202, the first port 222 is communicated with the first aperture 202, the electric valve 100 has a radial direction, the radial direction of the electric valve 100 is perpendicular to the axial direction of the electric valve 100, along the radial direction of the electric valve 100, the first sealing element 33 is pressed between the first protrusion 27 and an inner wall 2021 of the first aperture 202, the first sealing element 33 is in contact with the first protrusion 27, the first sealing element 33 is in contact with the inner wall 2021 of the first aperture 202, the first sealing element 33 is configured to relatively separate the first port 222 from the second port 223, the amount of compression of the first seal 33 is controlled by the structural dimensions of the first aperture 202 and the first protrusion 27, which is beneficial to reduce the influence of the assembly force between the electric valve 100 and the communicating component 200 on the amount of compression of the first seal 33, and is beneficial to reduce the risk of seal failure.

It will be appreciated that the valve body assembly 22 may also be partially located in the mounting cavity; the valve body assembly 22 may also have a third port, a fourth port, etc.; the assembly force between the electric valve 100 and the communication assembly 200 includes a force in the axial direction of the electric valve 100.

Referring to fig. 3, in the axial direction of the electric valve 100, the first sealing element 33 is located between the first port 222 and the bottom wall 24 of the valve main body 25, and defines a first plane, the first plane is perpendicular to the axial direction of the electric valve 100, in the axial direction of the electric valve 100, the projection of the first protrusion 27 on the first plane is located inside the projection of the valve main body 25 on the first plane, in the axial direction of the electric valve 100, the projection of the first sealing element 33 on the first plane is located inside the projection of the valve main body 25 on the first plane, during the insertion of the electric valve 100 into the communicating member 200, since the projection of the first seal 33 onto the first plane is located inside the projection of the valve main body 25 onto the first plane, it is advantageous to reduce the frictional contact between the first seal 33 and the communicating member 200, thereby improving the service life of the first sealing member 33 and improving the sealing reliability of the first sealing member 33.

Referring to fig. 3, the valve body assembly 22 comprises a first protrusion 27, the first protrusion 27 protrudes relative to the bottom wall 24 of the valve main body 25 along the axial direction of the electric valve 100, the first protrusion 27 has a first groove 43, the first groove 43 has an opening at a side wall 277 of the first protrusion 27, specifically, the first groove 43 is annular, and the first groove 43 surrounds the first protrusion 27 along the circumferential direction of the first protrusion 27; at least part of the first sealing element 33 is located in the first groove 43, the electric valve 100 is used for being assembled with the communicating component 200, and in the process of inserting the electric valve 100 into the communicating component 200, because at least part of the first sealing element 33 is located in the first groove 43, the first groove 43 can limit the first sealing element 33, so that the position deviation of the first sealing element 33 relative to the first protruding part 27 due to the frictional contact between the first sealing element 33 and the communicating component 200 is reduced or avoided, and the sealing reliability of the first sealing element 33 is improved.

Referring to fig. 3, the valve body 25 includes an outer sidewall 23 and a bottom wall 24, the valve body assembly 22 has a second port 223, the second port 223 is located on the bottom wall 24 of the valve body 25, the electric valve 100 includes a second sealing member 32, the second sealing member 32 surrounds the valve body assembly 22 along the circumferential direction of the valve body assembly 22, specifically, the second sealing member 32 is annular, and the second sealing member 32 is sleeved on the outer sidewall 23 of the valve body 25; in the axial direction of the electric valve 100, the second seal 32 is farther from the first port 222 than the second port 223. The electric valve 100 is used for assembling with the communicating component 200, referring to fig. 7, the communicating component 200 includes a mounting portion 204, the mounting portion 204 has a mounting cavity, at least a part of the valve body component 22 is located in the mounting cavity, the valve body component 22 is surrounded by the second sealing member 32 along the circumferential direction of the valve body component 22, the compression amount of the second sealing member 32 is mainly controlled by the assembling size of the mounting portion 204 and the valve body component 22, the influence of the assembling force between the electric valve 100 and the communicating component 200 on the compression amount of the second sealing member 33 is favorably reduced, and the risk of the sealing failure of the second sealing member 32 is favorably reduced. After the electric valve 100 is inserted into the communicating assembly 200, the first sealing member 33 is used for relatively separating the first port 222 from the second port 223, and the second sealing member 32 is used for relatively separating the second port 223 from the outside air.

It is understood that the second interface 223 may also be located at the outer sidewall 23; the valve body assembly 22 may have a fourth groove having an opening in the outer sidewall of the valve body 25, at least a portion of the second seal 32 being located in the fourth groove; the valve body assembly 22 may also have a third port and a third seal, the second seal 32 for relatively separating the second port 223 from the third port, and the third seal for relatively separating the third port from the ambient air.

Referring to fig. 5, the valve body assembly 22 includes a second protrusion 271, and in the axial direction of the electric valve 100, the second protrusion 271 protrudes relative to the bottom wall 24 of the valve main body 25, and specifically, at least a part of the second protrusion 271 has an annular structure; the second port 223 is located at the second protrusion 271, the electric valve 100 includes the second sealing element 32, the second sealing element 32 surrounds the second protrusion 271 along the circumferential direction of the second protrusion 271, along the axial direction of the electric valve 100, the second sealing element 32 is located between the second port 223 and the bottom wall 24 of the valve main body 25, the electric valve 100 is used for being assembled with the communicating component 200, through the arrangement of the second protrusion 271 and the second sealing element 32, the structures of the second protrusion 271 and the first protrusion 27 are similar, and the influence of the assembling force between the electric valve 100 and the communicating component 200 on the compression amount of the second sealing element 32 is favorably reduced.

It can be understood that, the second protrusion 271 is similar to the first protrusion 27 in structure, the second protrusion 271 may further have a second groove, the second groove has an opening on a sidewall of the second protrusion 271, at least a portion of the second sealing element 33 is located in the second groove, and in the process of inserting the electric valve 100 into the communicating component 200, because at least a portion of the second sealing element 32 is located in the second groove, the second groove can limit the second sealing element 32, which is beneficial to reducing or avoiding the position offset of the second sealing element 32 relative to the second protrusion 271 due to the frictional contact between the second sealing element 32 and the communicating component, and is beneficial to improving the sealing reliability of the second sealing element 32.

Referring to fig. 3, the valve core 21 has a bore 211, a first opening 2111 and a second opening 2112, the bore 211 communicates with the first opening 2111, and the bore 211 communicates with the second opening 2112, specifically, the valve core 21 is substantially spherical, which means that the valve core 21 has at least a partially spherical outer surface; the valve body assembly 22 has a first port 221, a second port 222, and a third port 223, the electric valve 100 includes a first state and a second state, and the electric valve 100 can be placed in the first state or the second state by rotating the valve body 21; when the electric valve 100 is in the first state, referring to fig. 3, the first opening 2111 communicates with the second port 223, and the second opening 2112 communicates with the first port 222; when the electric valve 100 is in the second state, referring to fig. 4, the first opening 2111 communicates with the third port 221, and the second opening 2112 communicates with the first port 222. Switching the state of the electric valve 100 can control the switching or reversing of the fluid. It will be appreciated that the valve body assembly 22 may also have a fourth port, and that the electric valve 100 includes a third state, and that the fourth port is in communication with the first opening 2111 of the valve spool 21 when the electric valve is in the third state.

Referring to fig. 3, the valve body assembly 22 has a third port 221, the third port 221 is located on the outer sidewall 23 of the valve body 25, the second sealing member 32 is located between the second port 223 and the third port 221 along the axial direction of the electric valve 100, the electric valve 100 includes a third sealing member 31, the third sealing member 31 surrounds the valve body assembly 22 along the circumferential direction of the valve body assembly 22, and the third sealing member 31 is farther from the first sealing member 33 than the second sealing member 32 along the axial direction of the electric valve 100. In the axial direction of the electric valve 100, the electric valve 100 includes a first sealing member 33, a second sealing member 32, and a third sealing member 31, referring to fig. 3, a first interface 222 is located between the first sealing member 33 and the second sealing member 32, a second interface 223 is located between the second sealing member 32 and the third sealing member 31, the first interface 222 is farther from the second sealing member 32 than the first sealing member 33, the third sealing member 31 surrounds the valve body assembly 22 along the circumferential direction of the valve body assembly 22, the second sealing member 32 surrounds the valve body assembly 22 along the circumferential direction of the valve body assembly 22, the first sealing member 33 surrounds the first protrusion 27 along the circumferential direction of the first protrusion 27, the third sealing member 31 is used for relatively separating the third interface 221 and the outside air, the second sealing member 32 is used for relatively separating the third interface 221 and the second interface 223, the first sealing member 33 is used for relatively separating the second interface 223 and the first interface 222, the second sealing member 32 and the third sealing member 31 each surround the valve body assembly 22 along the circumferential direction of the valve body assembly 22, the first sealing element 33 surrounds the first protrusion 27 along the circumferential direction of the first protrusion 27, which is beneficial to reducing the influence of the assembling force between the electric valve 100 and the communication assembly 200 on the compression amount of the first sealing element 33, the second sealing element 32 and the third sealing element 31, and reducing the risk of sealing failure of the first sealing element 33, the second sealing element 32 and the third sealing element 31.

Referring to fig. 3, the valve body assembly 22 includes a valve body 25 and a cover 26, the valve body 25 is fixedly connected or connected to the cover 26, the valve body 25 and the cover 26 form at least a portion of the outer sidewall 23, the third interface 221 is located on the cover 26, and the valve body 25 is separated from the cover 26 to facilitate the installation of the valve plug 21 into the valve body assembly 22. It will be appreciated that the third port 221 may also be located on an outer sidewall of the valve body 25.

Referring to fig. 6, the valve body assembly 22 includes a third protrusion 272, the third protrusion 272 protrudes from the bottom wall 24 of the valve main body 25 along the axial direction of the electric valve 100, the third port 221 is located on the third protrusion 272, the electric valve 100 includes a third sealing member 31, the third sealing member 31 surrounds the third protrusion 272 along the circumferential direction of the third protrusion 272, and the third sealing member 31 is located between the third port 221 and the bottom wall 24 of the valve main body 25 along the axial direction of the electric valve 100.

Referring to fig. 5, the valve body assembly 22 includes a third protrusion 272, and the third protrusion 272 protrudes from the bottom wall 24 of the valve main body 25 along the axial direction of the electric valve 100, and specifically, at least a part of the third protrusion 272 has a ring-shaped structure; the third port 221 is located at the third protruding portion 272, the electric valve 100 includes a third sealing member 31, the third sealing member 31 surrounds the third protruding portion 272 along the circumferential direction of the third protruding portion 272, the third sealing member 31 is located between the third port 221 and the bottom wall 24 of the valve main body 25 along the axial direction of the electric valve 100, the electric valve 100 is used for being assembled with the communicating component 200, the third protruding portion 272 and the third sealing member 31 are arranged in a similar manner, the third protruding portion 272, the second protruding portion 271 and the first protruding portion 27 are beneficial to reducing the influence of the assembling force between the electric valve 100 and the communicating component 200 on the compression amount of the third sealing member 31, the second sealing member 32 and the first sealing member 33, and the first port 222, the second port 223 and the third port 221 are arranged close to the bottom wall 24 of the valve main body 25, so as to facilitate the connection between the electric valve 100 and other components.

It can be understood that the third protrusion 272 may further have a third groove, the third groove has an opening on a sidewall of the third protrusion 272, at least a portion of the third sealing element 31 is located in the third groove, and during the process of inserting the electric valve 100 into the communicating component 200, because at least a portion of the third sealing element 31 is located in the third groove, the third groove can limit the third sealing element 31, which is beneficial to reducing or avoiding a position deviation of the third sealing element 31 relative to the third protrusion 272 due to a frictional contact between the third sealing element 31 and the communicating component 200, and is beneficial to improving the sealing reliability of the third sealing element 31.

Referring to fig. 7, an embodiment of the present application provides an integrated assembly including a communicating assembly 200 and an electric valve 100, where the communicating assembly 200 includes a mounting portion 204, the mounting portion 204 has a mounting cavity, a valve body assembly 22 is located in the mounting cavity, a connecting portion 227 is fixedly or limitedly connected to the communicating assembly 200, the communicating assembly 200 has a first duct 202, a second duct 203, and a third duct 201, the first duct 202 is communicated with a first port 222, the second duct 203 is communicated with a second port 223, the third duct 201 is communicated with a third port 221, a second sealing member 32 surrounds the valve body assembly 22 along a circumferential direction of the valve body assembly 22, a third sealing member 31 surrounds the valve body assembly 22 along the circumferential direction of the valve body assembly 22, a first protruding portion 27 is located in the first duct 202 along a radial direction of the electric valve 100, the first sealing member 33 is pressed between the first protruding portion 27 and an inner wall of the first duct 202, the first sealing member 33 is in contact with the first protruding portion 27, the first sealing element 33 is in contact with the inner wall of the first duct 202, specifically, the first sealing element 33, the second sealing element 32 and the third sealing element 31 are all O-ring seals, and along the radial direction of the first sealing element 33, the first sealing element 33 includes an inner wall and an outer wall, the inner wall of the first sealing element 33 is in contact with the first protrusion 27, and the outer wall of the first sealing element 33 is in contact with the inner wall of the first duct 202; the amount of compression of the first sealing element 33 is mainly controlled by the structural dimensions of the first protrusion 27 and the first aperture 202, which is beneficial to reduce the influence of the assembling force between the electric valve 100 and the communicating component 200 on the amount of compression of the first sealing element 33 and reducing the risk of sealing failure.

It will be appreciated that the valve body assembly 22 may also be partially located in the mounting cavity; first projection 27 may also be partially located within first aperture 202; the valve body assembly 22 may further have a fourth port, a fifth port, etc., and the communication assembly 200 has a fourth bore, a fifth bore, etc., the fourth port being in communication with the fourth bore and the fifth port being in communication with the fifth bore.

Referring to fig. 8 to 10, the valve body assembly 22 includes a connecting portion 227, the connecting portion 227 is farther from the first protruding portion 27 than the bottom wall 24 of the valve main body 25 along the axial direction of the electric valve 100, the connecting portion 227 protrudes relative to the valve main body 25, a surface of the connecting portion 227 facing the bottom wall 24 contacts the communicating member 200 along the axial direction of the electric valve 100, the connecting portion 227 is fixedly connected or connected in a limiting manner with the communicating member 200, the connecting portion 227 can play a role in positioning between the electric valve 100 and the communicating member 200 to facilitate assembly and installation between the electric valve 100 and the communicating member 200, and an assembly force between the electric valve 100 and the communicating member 200 includes a force along the axial direction of the electric valve 100. It will be appreciated that the connecting portion 227 may be a separate component, with the connecting portion 227 being fixedly or captively connected to the valve body 25; alternatively, the connecting portion 227 is integrally formed with the valve main body 25. In some embodiments, referring to FIG. 8, a portion of valve body assembly 22 is located in a mounting cavity of communication assembly 200, valve body assembly 22 includes a coupling portion 227, at least a portion of coupling portion 227 is located outside of the mounting cavity, and coupling portion 227 is welded to communication assembly 200. Referring to fig. 9, the connecting portion 227 is fixedly connected to the communicating member 200 by a screw 228, and the assembling force between the electric valve 100 and the communicating member 200 includes the pre-tightening force of the screw 228. Referring to fig. 10, the communicating member 200 includes a mounting groove 205, a connecting portion 227 is located in the mounting groove 205, the integrated member includes a nut 229, the nut 229 is located in the mounting groove 205, the connecting portion 227 is located between a bottom wall of the mounting groove 205 and the nut 229 along an axial direction of the electric valve 100, one end of the connecting portion 227 contacts the nut 229 and the other end of the connecting portion 227 contacts a bottom wall of the mounting groove 205 along the axial direction of the electric valve 100, the nut 229 is threadedly connected with the communicating member 200, so that the electric valve 100 is fixedly connected with the communicating member 200, and an assembling force between the electric valve 100 and the communicating member 200 includes a pre-tightening force of the nut 229. It is understood that the connecting portion 227 may also be partially located in the mounting groove 205; the nut 229 may also be partially located within the mounting slot 205.

It should be noted that: the above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions and modifications thereof without departing from the spirit and scope of the present invention can be modified or replaced by other technical solutions and modifications by those skilled in the art.

Claims

1. An electric valve comprises a valve core (21) and a valve body assembly (22), wherein the valve core (21) is positioned in the valve body assembly (22), the valve body assembly (22) having a first port (222) and a second port (223), the valve core (21) is provided with a hole passage (211), the hole passage (211) can be communicated with the first port (222) and the second port (223), the valve body assembly (22) includes a valve main body (25) and a first projection (27), the valve body (25) comprises a bottom wall (24) along the axial direction of the electric valve, the first projection (27) projects with respect to the bottom wall (24), the first port (222) is located at the first projection (27), the electric valve comprises a first seal (33), the first seal (33) surrounding the first projection (27) in the circumferential direction of the first projection (27).

2. Electrically operated valve according to claim 1, characterized in that: in the axial direction of the electric valve, the first seal (33) is located between the first port (222) and the bottom wall (24), defining a first plane, which is perpendicular to the axial direction of the electric valve, and in the axial direction of the electric valve, a projection of the first projection (27) in the first plane is located inside a projection of the valve body (25) in the first plane, and in the axial direction of the electric valve, a projection of the first seal (33) in the first plane is located inside a projection of the valve body (25) in the first plane.

3. Electrically operated valve according to claim 2, characterized in that: the first projection (27) has a first groove (43), the first groove (43) having an opening in a side wall (277) of the first projection (27), at least a portion of the first seal (33) being located in the first groove (43).

4. An electrically operated valve according to any one of claims 1-3, wherein: the valve body (25) comprises an outer side wall (23), the second port (223) is located on the outer side wall (23) or the bottom wall (24) of the valve body (25), the electric valve comprises a second sealing member (32), the second sealing member (32) surrounds the valve body assembly (22) along the circumferential direction of the valve body assembly (22), and the second sealing member (32) is farther away from the first port (222) than the second port (223) along the axial direction of the electric valve.

5. An electrically operated valve according to any one of claims 1-3, wherein: the valve body assembly (22) comprises a second protruding portion (271) protruding relative to the bottom wall (24) of the valve main body (25) in the axial direction of the electric valve, the second interface (223) is located on the second protruding portion (271), the electric valve comprises a second seal (32), the second seal (32) surrounds the second protruding portion (271) in the circumferential direction of the second protruding portion (271), and the second seal (32) is located between the second interface (223) and the bottom wall (24) of the valve main body (25) in the axial direction of the electric valve.

6. Electrically operated valve according to claim 4, characterized in that: the spool (21) having a first opening (2111) and a second opening (2112), the bore (211) communicating with the first opening (2111), the bore (211) communicating with the second opening (2112), the valve body assembly (22) having a third interface (221), the electric valve having a first state and a second state;

when the electric valve is in a first state, the first opening (2111) is communicated with the second interface (223), and the second opening (2112) is communicated with the first interface (222);

when the electric valve is in the second state, the first opening (2111) is in communication with the third port (221), and the second opening (2112) is in communication with the first port (222).

7. The electrically operated valve of claim 6, wherein: the third port (221) is located on an outer side wall (23) of the valve body (25), the second seal (32) is located between the second port (223) and the third port (221) along an axial direction of the electric valve, the electric valve includes a third seal (31), the third seal (31) surrounds the valve body assembly (22) along a circumferential direction of the valve body assembly (22), and the third seal (31) is farther from the first seal (33) than the second seal (32) along the axial direction of the electric valve.

8. Electrically operated valve according to claim 6, characterized in that: the valve body assembly (22) comprises a third projection (272), the third projection (272) projects relative to the bottom wall (24) of the valve main body (25) along the axial direction of the electric valve, the third interface (221) is positioned on the third projection (272), the electric valve comprises a third sealing element (31), the third sealing element (31) surrounds the third projection (272) along the circumferential direction of the third projection (272), and the third sealing element (31) is positioned between the third interface (221) and the bottom wall (24) of the valve main body (25) along the axial direction of the electric valve.

9. An integrated assembly comprising a communication assembly (200) and the electric valve (100) of any one of claims 1 to 8, the communication assembly (200) comprising a mounting portion (204), the mounting portion (204) having a mounting cavity (2043), at least a portion of the valve body assembly (22) being located in the mounting cavity (2043), the communication assembly (200) having a first aperture (202) and a second aperture (203), the first aperture (202) being in communication with the first port (222), the second aperture (203) being in communication with the second port (223), at least a portion of the first projection (27) being located within the first aperture (202), the first seal (33) being compressed between the first projection (27) and an inner wall (2021) of the first aperture (202) in a radial direction of the electric valve.

10. The integrated assembly of claim 9, wherein: the valve body assembly (22) comprises a connecting part (227), the connecting part (227) protrudes relative to the valve main body (25), the connecting part (227) is fixedly connected or in limited connection with the communication assembly (200), and the surface of the connecting part (227) facing the bottom wall (24) is in contact with the communication assembly (200) along the axial direction of the electric valve.