Electric valve

Abstract

The utility model provides an electrically operated valve which comprises a valve seat, a valve core, a valve core, a valve core, a valve core, a valve core and a valve core, wherein the valve seat is provided with a valve cavity and a mounting socket communicated with the valve cavity; the valve core module is inserted into the valve cavity through the mounting socket along a partial structure in the axial direction; the coil driving module is arranged on the valve element module in a sleeving mode, the coil driving module and the valve seat are oppositely arranged in the axial direction of the valve element module in a spaced mode, and the coil driving module is connected with the valve seat; and the sealing connection assembly is arranged on the outer side of the valve element module in a sleeving mode and is connected with the valve seat and the coil driving module in a sealing mode. According to the electrically operated valve, the overall sealing performance after the valve seat, the valve element module and the coil driving module are connected can be guaranteed, liquid leakage is prevented, stable operation of the electrically operated valve is guaranteed, and the service life of the electrically operated valve is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric valves, in particular to an electric valve. Background Art

[0002] Electric valves are mostly used to regulate the flow of refrigerant in refrigeration systems. The working principle of common electric valves is that the control element generates a rotating magnetic field through a pulse control coil to control the rotation of the rotor. When the rotor rotates, it drives the valve needle to move, thereby adjusting the opening of the valve port to control the flow of refrigerant.

[0003] Since refrigerant leakage can easily cause corrosion of the refrigerant circulation circuit and the components of the electric valve, the electric valve has high requirements for sealing. Although the existing electric valves have realized modular assembly of valve core modules, coil drive modules and other structures, they pay little attention to sealing and have poor sealing, which is not conducive to the stable operation and extended service life of the electric valve. Utility Model Content

[0004] In view of the above problems, the utility model provides an electric valve, which can ensure the overall sealing of the valve seat, the valve core module and the coil drive module after being connected, prevent liquid leakage, and ensure the stable operation of the electric valve.

[0005] The utility model provides an electric valve, comprising: a valve seat, the valve seat having a valve cavity and a mounting socket connected to the valve cavity; a valve core module, a partial structure of the valve core module along the axial direction is inserted into the valve cavity via the mounting socket; a coil drive module, which is sleeved on the valve core module and is opposite to and spaced from the valve seat along the axial direction of the valve core module, and the coil drive module is connected to the valve seat; a sealing connection component, the sealing connection component is sleeved on the outer side of the valve core module, and is sealed and connected to the valve seat and the coil drive module respectively.

[0006] According to the electric valve of the utility model, the valve seat and the coil drive module are respectively assembled with the partial structure of the valve core module along the axial direction, and a sealing connection component is arranged between the valve seat and the coil drive module, which can ensure the overall sealing of the valve seat, the valve core module and the coil drive module after they are connected, prevent liquid leakage, ensure the stable operation of the electric valve, and help to extend the service life of the electric valve.

[0007] In some embodiments, the sealing connection assembly includes: a fixing ring, which is sleeved on the outer side of the valve core module, the fixing ring is embedded in the mounting socket and connected to the valve seat; a sealing gasket, which is sleeved on the outer side of the valve core module, and the sealing gasket is sealed with the fixing ring and the coil drive module at both ends along the axial direction of the valve core module.

[0008] In some embodiments, two ends of the sealing gasket along the axial direction of the valve core module are respectively pressed against the fixing ring and the coil driving module.

[0009] In some embodiments, the sealing gasket is interference fit with the valve core module.

[0010] In some embodiments, the inner wall of the mounting socket is provided with a connecting thread, the outer wall of the fixing ring is provided with a matching thread, and the fixing ring and the valve seat are connected through the matching of the connecting thread and the matching thread.

[0011] In some embodiments, the outer wall of the valve core module has a pressure ring protruding radially outward along the outer wall of the valve core module, and the inner wall of the fixing ring is provided with a limiting boss protruding radially inward along the valve core module, and the limiting boss abuts against the pressure ring, and the limiting boss is located on the side of the pressure ring away from the valve seat along the axial direction of the valve core module.

[0012] In some embodiments, the electric valve further includes: a fixed connection member, wherein the fixed connection member is respectively connected to the coil drive module and the fixed structure.

[0013] In some embodiments, the outer wall of the valve seat is provided with a fixed structure, the fixed connecting part includes a fixed part and a connecting part, the fixed part is connected to the coil driving module, the connecting part is connected to the fixed part, a connecting structure is provided on the connecting part, and the connecting structure is detachably connected to the fixed structure.

[0014] In some embodiments, the coil drive module is provided with a plurality of connecting columns on the side facing the valve seat, and the plurality of connecting columns are arranged at intervals along the circumference of the valve core module. The fixing part is provided with a plurality of connecting holes corresponding to and adapted to the connecting columns one by one, and the connecting columns are passed through the connecting holes and connected to the fixing part.

[0015] In some embodiments, the connecting column is connected to the fixing portion by heat melting.

[0016] In some embodiments, the fixing structure is a snap-fitting protrusion, the connecting structure is a snap-fitting hole penetrating the connecting portion, and the snap-fitting protrusion is suitable for snapping into the snap-fitting hole.

[0017] In some embodiments, a wrench structure is further provided on the connecting portion, an extending direction of the wrench structure forms an angle with the axial direction of the valve core module, and the wrench structure is located on a side of the connecting portion facing away from the valve seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A schematic structural diagram of an electric valve according to an embodiment of the utility model at one angle;

[0020] Figure 2 This is a schematic structural diagram of the electric valve of the utility model embodiment from another angle;

[0021] Figure 3 A cross-sectional view of an electric valve according to an embodiment of the utility model;

[0022] Figure 4 An exploded view of an electric valve according to an embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the coil drive module and the valve seat of the electric valve in the embodiment of the utility model in a separated state;

[0024] Figure 6 This is a structural schematic diagram of the electric valve of the embodiment of the utility model from another angle;

[0025] Figure 7 It is a structural schematic diagram of the valve seat of the electric valve according to an embodiment of the utility model;

[0026] Figure 8 This is a structural schematic diagram of a valve core module of an electric valve according to an embodiment of the utility model;

[0027] Fig. 9 This is a structural schematic diagram of an embodiment of a fixed connection member of an electric valve according to an embodiment of the utility model;

[0028] Fig.10 It is a structural schematic diagram of another embodiment of the fixed connection member of the electric valve of the utility model embodiment;

[0029] Fig.11 This is a structural schematic diagram of another embodiment of the fixed connection member of the electric valve of the utility model embodiment;

[0030] Fig.12 This is a structural schematic diagram of another embodiment of the fixed connection member of the electric valve of the utility model embodiment;

[0031] Fig.13 This is a structural schematic diagram of another embodiment of the fixed connection member of the electric valve of the utility model embodiment;

[0032] Fig.14 This is a structural schematic diagram of another embodiment of the fixed connection member of the electric valve of the utility model embodiment;

[0033] Fig.15 It is a schematic diagram of the battery core module and the sealing connection assembly of the electric valve of the embodiment of the utility model when not assembled;

[0034] Fig.16 It is a schematic diagram of the steps of assembling the fixing ring and the battery cell module during the assembly process of the battery cell module and the sealing connection assembly of the electric valve according to the embodiment of the utility model;

[0035] Fig.17 It is a schematic diagram of the steps of assembling the sealing gasket and the battery cell module during the assembly process of the battery cell module and the sealing connection assembly of the electric valve according to the embodiment of the utility model;

[0036] Fig.18 It is a schematic structural diagram of a fixing ring of an electric valve according to an embodiment of the utility model.

[0037] Description of reference numerals:

[0038] 100-electric valve;

[0039] 1-valve seat;

[0040] 11-valve chamber; 12-installation socket; 13-fixing structure;

[0041] 2-valve core module; 21-housing; 22-pressure ring;

[0042] 3-coil drive module; 31-housing; 32-connecting column;

[0043] 4- Sealing connection assembly;

[0044] 41-fixing ring; 421-matching thread; 422-limiting boss;

[0045] 42-sealing gasket;

[0046] 5-Fix the connector;

[0047] 51-fixing portion; 511-connecting hole; 512-second positioning flange;

[0048] 52-connecting portion; 521-connecting structure; 522-wrench structure; 523-operating hole; 524-first positioning flange. DETAILED DESCRIPTION

[0049] In order to make the above-mentioned purposes, features and advantages of the embodiments of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of this application.

[0050] Reference below Figure 1-Figure 18 The electric valve 100 according to the embodiment of the present invention is described.

[0051] Combination Figure 1-Figure 6 The electric valve 100 of this embodiment may be an electronic expansion valve or other types of electric valves 100. The electric valve 100 includes: a valve seat 1, a valve core module 2, a coil drive module 3 and a sealing connection component 4.

[0052] Among them, the valve seat 1 is a square valve seat 1, or the valve seat 1 is a cylindrical valve seat 1. Of course, the valve seat 1 can also be in other shapes. The valve seat 1 has a valve cavity 11, a liquid inlet channel, a liquid outlet channel and a mounting socket 12, and the liquid inlet channel, the liquid outlet channel and the mounting socket 12 are all connected to the valve cavity 11. For example, the valve cavity 11 extends vertically, the liquid inlet channel and the liquid outlet channel are respectively formed on the side walls of the valve seat 1, and the mounting socket 12 is located at the top of the valve cavity 11. The axial part of the structure of the valve core module 2 is inserted into the valve cavity 11 via the mounting socket 12, and the valve core module 2 is used to control the on-off between the liquid inlet channel and the liquid outlet channel.

[0053] The coil drive module 3 is sleeved on the valve core module 2 and is arranged opposite to and spaced from the valve seat 1 along the axial direction of the valve core module 2. The coil drive module 3 is used to drive the valve core module 2 to operate so as to control the on and off of the liquid inlet channel and the liquid outlet channel. The coil drive module 3 is connected to the valve seat, for example, the coil drive module 3 and the valve seat 1 are detachably connected, or the coil drive module 3 and the valve seat 1 are fixedly connected.

[0054] The sealing connection component 4 is sleeved on the outside of the valve core module 2, and is sealed and connected to the valve seat 1 and the coil drive module 3 respectively, so as to seal the connection between the valve core module 2 and the coil drive module 3, and the connection between the valve core module 2 and the valve seat 1. In this way, the sealing connection component 4 can ensure the overall sealing of the valve seat 1, the valve core module 2 and the coil drive module 3 after being connected.

[0055] According to the electric valve 100 of the embodiment of the utility model, the valve seat 1 and the coil drive module 3 are respectively assembled with the partial structure of the valve core module 2 along the axial direction, and a sealing connection component 4 is arranged between the valve seat 1 and the coil drive module 3, which can ensure the overall sealing of the valve seat 1, the valve core module 2 and the coil drive module 3 after being connected, prevent liquid leakage, ensure the stable operation of the electric valve 100, and help to extend the service life of the electric valve 100.

[0056] In some embodiments, the valve core module 2 may include: a housing 21, a rotor, a transmission assembly and a valve needle. The housing 21 may be cylindrical, and the axial part of the housing 21 may be pluggable in the valve cavity 11 via the mounting socket 12. The rotor, the transmission assembly and the valve needle are all arranged in the inner cavity of the housing 21. The rotor drives the valve needle to move through the transmission assembly to control the on and off of the liquid inlet channel and the liquid outlet channel, that is, the transmission assembly is respectively connected to the rotor and the valve needle to realize the movement of the valve needle. The transmission assembly may be a screw nut mechanism. The coil drive module 3 is suitable for driving the rotor to rotate. For example, the coil drive module 3 may generate a rotating magnetic field through a pulse control coil, thereby controlling the rotation of the rotor.

[0057] refer to Figure 3 and Figure 4 , the inner diameter of the mounting socket 12 is larger than the inner diameter of the valve cavity 11. The sealing connection assembly 4 includes a fixing ring 41 and a sealing gasket 42. The fixing ring 41 is sleeved on the outer side of the valve core module 2, and the fixing ring 41 is embedded in the mounting socket 12. The sealing gasket 42 is sleeved on the outer side of the valve core module 2, and the two ends of the sealing gasket 42 along the axial direction of the valve core module 2 are respectively sealed with the fixing ring 41 and the coil drive module 3. In this way, by setting the fixing ring 41, the fixed connection between the valve core module 2 and the valve seat 1 is realized, and by setting the sealing gasket 42, the connection between the valve core module 2 and the coil drive module 3, and the connection between the valve core module 2 and the valve seat 1 can be sealed respectively, thereby ensuring the overall sealing of the valve seat 1, the valve core module 2 and the coil drive module 3 after connection, and reducing the damage of water vapor to metal parts or welds. In addition, the sealing gasket 42 can also play a role in sound insulation, thereby reducing the operating noise of the electric valve 100.

[0058] refer to Figure 3 The two ends of the sealing gasket 42 along the axial direction of the valve core module 2 are respectively pressed against the fixing ring 41 and the coil driving module 3, thereby ensuring the sealing and preventing leakage. Optionally, the sealing gasket 42 is a plastic part, so that the sealing gasket 42 can be deformed to a certain extent when squeezed by the fixing ring 41 and the coil driving module 3, so as to better block the gap between the valve core module 2 and the coil driving module 3, and the gap between the valve core module 2 and the valve seat 1, thereby improving the overall connection sealing.

[0059] In some embodiments, the sealing gasket 42 and the housing 21 are interference fit, so that the fit stability between the sealing gasket 42 and the housing 21 is higher, which helps to improve the sealing performance.

[0060] Combination Figure 3 , Figure 4 and Fig.18 The inner wall of the mounting socket 12 is provided with a connecting thread, and the outer wall of the fixing ring 41 is provided with a matching thread 421. The fixing ring 41 and the valve seat 1 are connected by the connecting thread and the matching thread 421. The thread matching can improve the connection stability and sealing performance of the fixing ring 41 and the valve seat 1.

[0061] refer to Figure 3 and Fig.18 , the side wall of the valve core module 2 has a pressure ring 22 protruding outward along its own radial direction. For example, the pressure ring 22 can be arranged on the outer shell of the valve core module 2, and the pressure ring 22 extends along the circumference of the outer shell 21. The inner wall of the fixed ring 41 is provided with a limiting boss 422, and the limiting boss 422 can protrude inward along the radial direction of the fixed ring 41. The limiting boss 422 abuts against the pressure ring 22, and the limiting boss 422 is located on the side of the pressure ring 22 away from the valve seat 1 along the axial direction of the valve core module 2. In this way, after the valve core module 2 is connected to the valve seat 1, the limiting boss 422 can abut against the pressure ring 22 to prevent the valve core module 2 from slightly moving along the axial direction, so as to further improve the connection reliability between the valve core module 2 and the valve seat 1 and ensure the stable operation of the electric valve 100.

[0062] Combination Figure 3-Figure 6 The electric valve 100 further includes a fixed connection member 5. The fixed connection member 5 is respectively connected to the coil driving module 3 and the valve seat 1. In other words, the coil driving module 3 can be connected to the valve seat 1 through the fixed connection member 5, so that the fixed connection member 5 can further enhance the connection reliability between the coil driving module 3 and the valve seat 1.

[0063] In some embodiments, the outer wall of the valve seat 1 is provided with a fixing structure 13. For example, the fixing structure 13 can be provided on the top wall of the valve seat 1, or the fixing structure 13 is provided on the peripheral wall of the valve seat 1, or the fixing structure 13 is provided on the bottom wall of the valve seat 1; the fixing structure 13 can be one or more; the fixing structure 13 can be formed as a plug-in hole or a plug-in column, or can be formed as a cam or buckle for snap-on connection. Of course, the utility model does not limit this. The arrangement of the fixing structure 13 on the valve seat 1 and the specific structure can be reasonably set according to actual needs.

[0064] The fixed connector 5 includes a fixing portion 51 and a connecting portion 52. The fixing portion 51 is fixedly connected to the coil driving module 3. For example, the fixing portion 51 can be connected to the peripheral wall of the coil driving module 3, or the fixing portion 51 can also be connected to one end of the coil driving module 3 along the axial direction (such as the end of the coil driving module 3 facing the valve seat 1). The connecting portion 52 is connected to the fixing portion 51, and the connecting portion 52 is provided with a connecting structure 521. The connecting structure 521 is detachably connected to the fixed structure. For example, the connecting structure 521 can be plug-in or clip-on with the fixed structure 13. Of course, the present invention does not limit this. The matching mode of the connecting structure 521 and the fixed structure 13 can be reasonably selected according to actual needs.

[0065] In this way, the coil driving module 3 can be connected to the valve seat 1 through the fixed connecting member 5, and the connecting structure 521 is arranged on the fixed connecting member 5, which can avoid the structure of the coil driving module 3 being complicated and difficult to process when the connecting structure 521 is arranged on the coil driving module 3. In addition, when the connecting structure 521 is damaged, only the fixed connecting member 5 needs to be replaced, which can reduce maintenance costs.

[0066] In some embodiments, the fixed structure 13 is disposed on at least one side wall of the valve seat 1 along the circumferential direction. The fixed portion 51 is an annular fixed plate, and the fixed portion 51 is sleeved on the valve core module 2. The fixed portion 51 is located at one end of the coil drive module 3 facing the valve seat 1. The connecting portion 52 is a connecting arm, and the connecting portion 52 extends from the circumference of the fixed portion 51 toward the fixed structure 13, so that the connecting structure 521 is connected to the fixed structure 13. For example, the connecting portion 52 can extend along the axial direction of the valve core module 2, and the fixed structure 13 is on the extension path of the connecting portion 52. In other words, the fixed portion 51 of the fixed structure 13 is located between the coil drive module 3 and the valve seat 1, and the connecting portion 52 is located on the side of the valve seat 1. In this way, the structure of the fixed connector 5 is relatively simple, which is convenient for processing and manufacturing, and is also convenient for assembly.

[0067] In some embodiments, reference Figure 3-Figure 6 as well as Figure 9-14, a plurality of connecting columns 32 are provided on the side of the coil driving module 3 facing the valve seat 1. For example, the connecting columns 32 can be formed on the housing 31 of the coil driving module 3. The plurality of connecting columns 32 can be arranged at intervals along the circumference of the valve core module 2. Each connecting column 32 extends along the axial direction of the valve core module 2. The fixing portion 51 is provided with a plurality of connecting holes 511 corresponding to and matching the connecting columns 32. The connecting columns 32 are passed through the connecting holes 511 and connected to the fixing portion 51. Preferably, the connecting columns 32 can be six or eight to facilitate the subsequent angle adjustment of the fixed connector 5. During assembly, the connecting columns 32 can be inserted into the corresponding connecting holes 511 to realize the assembly of the housing 31 and the fixed connector 5, so that the matching structure of the housing 31 and the fixed connector 5 is relatively simple, easy to manufacture and assemble.

[0068] In some embodiments, the connecting column 32 is connected to the fixing part 51 by hot melt, that is, after passing through the connecting hole 511 of the fixing part 51, the connecting column 32 is connected to the fixing part 51 by hot melt, so that the coil driving module 3 and the fixed connecting part 5 form an integrated structure with higher connection strength and reliability.

[0069] In some embodiments, the fixing structure 13 is a snap-fitting protrusion, and the connecting structure 521 is a snap-fitting hole penetrating the connecting portion 52. The snap-fitting protrusion is suitable for snapping into the snap-fitting hole, for example Figure 2 As shown, the snap-fitting protrusion can be square, the snap-fitting hole can be formed as a long strip hole, the width of the snap-fitting protrusion is adapted to the width of the snap-fitting hole, and after the snap-fitting protrusion is snapped into the snap-fitting hole, the lower edge of the snap-fitting hole abuts against the bottom wall of the snap-fitting protrusion, so that the coil drive module 3 can be prevented from jumping axially or swinging circumferentially relative to the valve seat 1, thereby ensuring the effectiveness and reliability of the connection.

[0070] In some embodiments, reference Figure 3 The inner diameter of the fixing portion 51 can be larger than the outer diameter of the valve core module 2, so that there is a sealing gap between the fixing portion 51 and the valve core module 2, and the partial structure of the sealing gasket 42 at one end facing the coil driving module 3 is embedded in the sealing gap. In this way, the installation stability and sealing performance of the sealing gasket 42 can be further improved.

[0071] In some embodiments, reference Figure 2 The axial length of the clamping hole along the valve core module 2 is greater than the height of the clamping protrusion. In this way, during the assembly process, the clamping protrusion is more easily inserted into the clamping hole, which helps to improve the assembly efficiency and at the same time can also reduce the requirements for the processing accuracy of the clamping hole.

[0072] In some embodiments, in combination Figure 3-Figure 6 as well as Figure 9-14A wrench structure 522 is also provided on the connecting portion 52. In this way, when the coil driving module 3 needs to be separated from the valve seat 1, it is only necessary to pull the wrench structure 522 outward and pull the coil driving module 3 upward to separate the fixing structure 13 and the connecting structure 521, thereby separating the coil driving module 3 from the valve seat 1. In this way, the wrench structure 522 is relatively simple.

[0073] For example Fig. 9 and Fig.10 As shown, the wrench structure 522 can be provided at the free end of the connecting portion 52, and the wrench structure 522 can extend in a direction perpendicular to the axial direction of the valve core module 2 and away from the valve seat 1; or Fig.11 As shown, the wrench structure 522 can be arranged at the lower edge of the clamping hole, and the wrench structure 522 can extend in a direction perpendicular to the axial direction of the valve core module 2 and away from the valve seat 1; or, as shown in FIG. Fig.12 As shown, there may be two wrench structures 522, and the two wrench structures 522 are respectively arranged at the edges of both sides of the connecting portion 52 along the width direction. In this way, the arrangement of the wrench structures 522 is varied, which can better meet the use requirements.

[0074] In some embodiments, reference Fig.13 and Fig.14 The free end of the connecting portion 52 may be provided with a first positioning flange 524 bent toward one side of the valve seat 1, and the side wall of the valve seat 1 may be provided with a first positioning matching structure. For example, the first positioning matching structure may be a positioning groove, a positioning boss, etc. The first positioning flange 524 may be positioned and matched with the first positioning matching structure. In this way, the coil driving module 3 can be axially positioned through the cooperation between the first positioning flange 524 and the first positioning matching structure, thereby further improving the matching stability of the connecting structure 521 and the fixing structure 13.

[0075] In some embodiments, reference Fig.14 The peripheral edge of the fixing portion 51 may be provided with a second positioning flange 512 bent toward one side of the valve seat 1, and the top wall of the valve seat 1 may be provided with a second positioning matching structure. For example, the second positioning matching structure may be a positioning groove, a positioning boss, etc. The second positioning flange 512 may be positioned and matched with the second positioning matching structure. In this way, the coil driving module 3 can be axially positioned through the cooperation between the second positioning flange 512 and the second positioning matching structure, thereby further improving the matching stability of the connecting structure 521 and the fixing structure 13.

[0076] Further, refer to Figure 9-14An operating hole 523 may be provided on the wrench structure 522, and the operating hole 523 may penetrate the wrench structure 522 along the thickness direction of the connecting portion 52. By providing the operating hole 523, the operator can be prevented from slipping when pulling the wrench structure 522, thereby making it easier to perform disassembly operations.

[0077] Combination Figure 15-17 , the assembly sequence of the electric valve 100 of this embodiment is as follows: put the fixing ring 41 on the valve core module 2, and then put the sealing gasket 42 on the valve core module 2, the sealing gasket 42 and the valve core module 2 are interference fit, and then the sealing gasket 42 and the fixing ring 41 are pressed and contacted to make the valve core module 2 and the sealing connection component 4 form a component, and then the valve core module 2 is inserted from the installation socket 12 of the valve seat 1, so that the fixing ring 41 and the valve seat 1 are threaded and tightened, and finally the coil drive module 3 is sleeved on the valve core module 2, and the clamping hole of the fixed connection piece 5 is clamped with the clamping protrusion of the valve seat 1 to form a clamping fit, so that the electric valve 100 can be assembled, thereby facilitating product transportation or installation.

[0078] In summary, the electric valve 100 of the present embodiment assembles the valve seat 1 and the coil drive module 3 with the partial structure of the valve core module 2 along the axial direction, and arranges a sealing connection component 4 between the valve seat 1 and the coil drive module 3, which can ensure the overall sealing of the valve seat 1, the valve core module 2 and the coil drive module 3 after they are connected, prevent liquid leakage, reduce the damage of water vapor and the like to metal parts or welds, ensure the stable operation of the electric valve 100, and help to extend the service life of the electric valve 100.

[0079] By detachably connecting the connection structure 521 on the fixed connector 5 with the fixed structure 13 on the valve seat 1, screws can be omitted, materials and assembly processes can be reduced, costs can be reduced, the economy is high, and product competitiveness is improved.

[0080] It should be noted that the embodiments represented by "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing specific features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments that are explicitly or not explicitly described.

[0081] In general, terms should be understood, at least in part, by the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending, at least in part, on the context. Similarly, terms such as "a," "an," or "the" may also be understood to convey singular usage or to convey plural usage, depending, at least in part, on the context.

[0082] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0083] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0084] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An electric valve, characterized in that: include: A valve seat, the valve seat having a valve cavity and a mounting socket communicating with the valve cavity; A valve core module, wherein a portion of the structure of the valve core module along the axial direction is inserted into the valve cavity via the mounting socket; A coil drive module is sleeved on the valve core module and is arranged opposite to and spaced from the valve seat along the axial direction of the valve core module. The coil drive module is connected to the valve seat. A sealing connection component is sleeved on the outside of the valve core module and is sealed and connected to the valve seat and the coil drive module respectively.

2. The electric valve according to claim 1, characterized in that: The sealing connection assembly comprises: A fixing ring, which is sleeved on the outer side of the valve core module, is embedded in the installation socket, and is connected to the valve seat; A sealing gasket is sleeved on the outside of the valve core module, and the two ends of the sealing gasket along the axial direction of the valve core module are respectively sealed with the fixing ring and the coil driving module.

3. The electric valve according to claim 2, characterized in that: Two ends of the sealing gasket along the axial direction of the valve core module are respectively pressed and contacted with the fixing ring and the coil driving module.

4. The electric valve according to claim 2, characterized in that: The sealing gasket is interference fit with the valve core module.

5. The electric valve according to claim 2, characterized in that: The inner wall of the installation socket is provided with a connecting thread, the outer wall of the fixing ring is provided with a matching thread, and the fixing ring and the valve seat are connected through the matching of the connecting thread and the matching thread.

6. The electric valve according to claim 2, characterized in that: The outer wall of the valve core module has a pressure ring protruding outward along its own radial direction. The inner wall of the fixing ring is provided with a limiting boss protruding radially inwardly along the valve core module, the limiting boss abuts against the pressure ring, and the limiting boss is located on the side of the pressure ring away from the valve seat along the axial direction of the valve core module.

7. The electric valve according to any one of claims 1 to 6, characterized in that: Also includes: A fixed connection piece is connected to the coil drive module and the valve seat respectively.

8. The electric valve according to claim 7, characterized in that: The outer wall of the valve seat is provided with a fixing structure. The fixed connecting member includes a fixing portion and a connecting portion, wherein the fixing portion is connected to the coil driving module, and the connecting portion is connected to the fixing portion. A connecting structure is provided on the connecting portion, and the connecting structure is detachably connected to the fixing structure.

9. The electric valve according to claim 8, characterized in that: The coil drive module is provided with a plurality of connection columns on one side facing the valve seat, and the plurality of connection columns are arranged at intervals along the circumference of the valve core module. The fixing part is provided with a plurality of connection holes corresponding to and matching the connection posts one by one, and the connection posts are passed through the connection holes and connected to the fixing part.

10. The electric valve according to claim 9, characterized in that: The connecting column is connected to the fixing portion by thermal melting.

11. The electric valve according to claim 8, characterized in that: The fixing structure is a clamping protrusion, the connecting structure is a clamping hole penetrating the connecting portion, and the clamping protrusion is suitable for being clamped into the clamping hole.

12. The electric valve according to claim 11, characterized in that: The connecting portion is also provided with a wrench structure, the extending direction of the wrench structure forms an angle with the axial direction of the valve core module, and the wrench structure is located on a side of the connecting portion facing away from the valve seat.

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