Solenoid valve, mounting clip, and solenoid valve assembly

Abstract

The utility model provides a kind of solenoid valve, mounting clamp and solenoid valve assembly, and the solenoid valve assembly includes solenoid valve and mounting clamp.Solenoid valve includes: coil;And magnetic conducting component, magnetic conducting component includes magnetic conducting shell and magnetic conducting spool, magnetic conducting shell includes end wall and cylindrical lateral wall, end wall is located at the axial end portion of cylindrical lateral wall, cylindrical lateral wall surrounds coil, magnetic conducting spool is at least partially set in the inside of magnetic conducting shell and can move between the opening position of making solenoid valve open and the closing position of making solenoid valve close.Magnetic conducting shell includes the cylindrical portion extending from end wall towards magnetic conducting spool, and coil surrounds cylindrical portion and magnetic conducting spool.The solenoid valve can provide greater electromagnetic force for magnetic conducting spool and simple structure.

Description

Technical Field

[0001] This utility model relates generally to the field of solenoid valve technology, and more specifically to a solenoid valve, a mounting clip for mounting the solenoid valve, and a solenoid valve assembly including the solenoid valve and the mounting clip. Background Technology

[0002] Solenoid valves typically consist of a coil and a magnetic conductor. Currently, the magnetic conductor of a solenoid valve includes multiple magnetic components, which often require numerous additional support and connecting parts for stability, resulting in a complex, heavy, and costly structure. The desired outcome is a solenoid valve with a simpler construction and easier assembly. The magnetic conductor of a solenoid valve typically includes a fixed core, a moving core, and other magnetic components for guiding the magnetic field lines. When the coil is energized, the fixed and moving cores are magnetized and attract each other, allowing the moving core to move under electromagnetic force to open or close the solenoid valve. The desired outcome is a magnetic conductor design that provides sufficient electromagnetic force to the moving core when the coil is energized, enabling it to operate normally in various harsh environments, especially high-temperature and high-hydraulic environments, thus making the solenoid valve suitable for diverse applications. Furthermore, solenoid valves typically require mounting to a support structure using mounting components. The desired outcome is a mounting component that allows for quick and secure installation of the solenoid valve. Utility Model Content

[0003] The purpose of this invention is to solve one or more problems existing in the prior art, and to propose an improved solenoid valve, a mounting clip, and a solenoid valve assembly including the solenoid valve and the mounting clip.

[0004] Therefore, a first aspect of this utility model provides an electromagnetic valve. The electromagnetic valve includes a coil and a magnetically conductive assembly. The magnetically conductive assembly includes: a magnetically conductive housing, the magnetically conductive housing including an end wall and a cylindrical side wall, the end wall being located at an axial end of the cylindrical side wall surrounding the coil; and a magnetically conductive valve core, the magnetically conductive valve core being at least partially disposed inside the magnetically conductive housing and movable between an open position (opening the electromagnetic valve) and a closed position (closing the electromagnetic valve). The magnetically conductive housing includes a cylindrical portion extending from the end wall toward the magnetically conductive valve core, and the coil surrounding the cylindrical portion and the magnetically conductive valve core.

[0005] Based on the above-described technical concept, the first aspect of this utility model may further include any one or more of the following optional embodiments.

[0006] In some alternative embodiments, the magnetically conductive assembly further includes a permanent magnet disposed at or near an axial end of the cylindrical sidewall away from the end wall, and located between the cylindrical sidewall and the magnetically conductive valve core.

[0007] In some alternative embodiments, the permanent magnet surrounds the magnetic valve core, and / or the permanent magnet includes two semi-annular permanent magnet portions.

[0008] In some alternative embodiments, the magnetic shell is integrally formed.

[0009] In some alternative embodiments, the magnetic valve core has a columnar shape and includes a first end near the cylindrical portion and a second end away from the cylindrical portion, wherein at least one of the first end and the second end is coaxially provided with a groove.

[0010] In some alternative embodiments, the groove has a circular or annular cross-section.

[0011] In some optional embodiments, a first groove is coaxially provided at the first end of the magnetic valve core, the first groove having a circular cross-section, wherein the portion of the magnetic valve core located between the outer peripheral surface of the magnetic valve core and the inner peripheral surface of the first groove is opposite to the circumferential wall of the cylindrical portion.

[0012] In some alternative embodiments, the magnetic valve core has a cylindrical shape and includes a first segment and a second segment adjacent to each other in its axial direction, wherein the second segment is further away from the cylindrical portion than the first segment, and wherein the outer diameter of the second segment is larger than the outer diameter of the first segment.

[0013] In some alternative embodiments, the solenoid valve further includes a support frame to which the coil, the magnetic housing, and the magnetic valve core are mounted.

[0014] In some alternative embodiments, the support frame includes a cylindrical body, wherein the coil is wound around the cylindrical body, wherein the magnetic shell is fitted onto the support frame such that the cylindrical portion is located within the cylindrical body, and wherein the magnetic valve core is mounted within the cylindrical body.

[0015] In some alternative embodiments, the cylindrical body includes a partition wall and a first cavity and a second cavity separated by the partition wall, wherein the cylindrical portion and the magnetic valve core are located in the first cavity and the second cavity, respectively.

[0016] In some alternative embodiments, the solenoid valve further includes a housing, within which the coil, the magnetic conductive assembly, and the support frame are disposed, wherein the spacer wall, the second cavity of the cylindrical body, and the housing together define a fluid chamber.

[0017] In some alternative embodiments, the solenoid valve further includes a sealing ring that seals the annular gap between the second cavity of the cylindrical body and the housing.

[0018] In some alternative embodiments, the solenoid valve further includes an elastic member disposed between the spacer wall and the magnetic valve core to bias the magnetic valve core toward a direction away from the cylindrical portion.

[0019] In some alternative embodiments, the support frame includes a first flange and a second flange extending radially outward from the cylindrical body and spaced apart from each other, and the coil is constrained between the first flange and the second flange.

[0020] In some alternative embodiments, the first flange is adjacent to the end wall, and the second flange is adjacent to the axial end of the cylindrical sidewall away from the end wall, wherein the magnetically conductive assembly further includes a permanent magnet held on the second flange and adjacent to the coil.

[0021] In some alternative embodiments, the second flange includes a snap-fit ​​structure by which the permanent magnet is held on the second flange.

[0022] In some alternative embodiments, the permanent magnet includes a plurality of permanent magnet portions disposed around the cylindrical body, wherein the snap-fit ​​structure includes at least two snap-fit ​​ribs defining a first snap-fit ​​groove and at least two snap-fit ​​claws defining a second snap-fit ​​groove, wherein the end of each of the permanent magnet portions engages with the first snap-fit ​​groove of the corresponding snap-fit ​​rib, and the middle portion of each of the permanent magnet portions engages with the second snap-fit ​​groove of the corresponding snap-fit ​​claw.

[0023] In some alternative embodiments, the housing includes a fluid port capable of communicating with the fluid chamber, wherein a seal is embedded in the end of the solenoid valve core remote from the cylindrical portion, and wherein the seal blocks and disengages from the fluid port when the solenoid valve core is in the closed position and the open position, respectively.

[0024] In some alternative embodiments, the magnetic valve core includes a stepped bore, wherein the seal is disposed in the stepped bore and includes a limiting shoulder, wherein the limiting shoulder is adapted to engage the stepped surface of the stepped bore to prevent the seal from dislodging from the stepped bore.

[0025] In some alternative embodiments, the housing includes a fluid port capable of communicating with the fluid chamber, wherein the fluid port includes a quick-connect fitting or a structure that mates with a quick-connect fitting.

[0026] In the aforementioned solenoid valve, the cylindrical portion of the magnetically conductive shell surrounded by the coil and the magnetically conductive valve core serve as the stationary and moving core, respectively. When the coil is energized, the cylindrical portion and the magnetically conductive valve core are magnetized and attract each other, causing the magnetically conductive valve core to move to the open or closed position. Existing solenoid valves typically use a single, solid cylindrical stationary core. Due to the characteristics of the magnetic field, the magnetic lines of force are mainly concentrated on the circumferential surface of the cylindrical solid stationary core, while the magnetic lines of force in the central region of the stationary core are sparse and the magnetic field is weak. Therefore, the central region of the stationary core has little influence on the movement of the moving core when the solenoid valve is operating. Compared to the existing solid cylindrical stationary core, the aforementioned cylindrical portion used as the stationary core can concentrate the originally dispersed magnetic lines of force to the circumferential wall of the cylindrical portion, increasing the magnetic field strength at that location. This results in a greater electromagnetic force on the magnetically conductive valve core when the coil is energized, and also reduces the weight of the stationary core, saving on its cost. Furthermore, the magnetically conductive shell, including the end wall, cylindrical side wall, and cylindrical portion, can guide the magnetic lines of force when the coil is energized, facilitating the formation of a magnetically closed loop. In other words, the magnetic housing combines the functions of the core of the solenoid valve in the prior art with other magnetically conductive components used to guide magnetic lines of force, which simplifies the structure of the solenoid valve and facilitates its assembly.

[0027] A second aspect of this invention provides a mounting clip. The mounting clip includes: a first retaining leg and a second retaining leg, the first retaining leg and the second retaining leg being disposed opposite to each other and adapted to engage with an opening in a second component to prevent the mounting clip from disengaging from the opening; at least one retaining wing, the at least one retaining wing being adapted to insert in an insertion direction and resiliently engage a receiving channel of the first component; and at least one limiting portion, the at least one limiting portion being configured to restrict movement of the mounting clip relative to the first component in the insertion direction and in a direction opposite to the insertion direction when the at least one retaining wing is inserted into the receiving channel.

[0028] Based on the above-described technical concept, the second aspect of this utility model may further include any one or more of the following optional embodiments.

[0029] In some alternative embodiments, the mounting clip includes a base wall through which the first retaining leg and the second retaining leg are connected.

[0030] In some alternative embodiments, the at least one limiting portion includes a first limiting portion, wherein the first limiting portion is in the form of a tab and adapted to abut against the end face of the receiving channel, and / or the first limiting portion is disposed on the retaining leg.

[0031] In some alternative embodiments, the at least one limiting portion includes a second limiting portion, wherein the second limiting portion is in the form of an opening and adapted to engage with the limiting protrusion of the first component, and / or the second limiting portion is disposed on the base wall.

[0032] In some alternative embodiments, the at least one retaining wing includes a first retaining wing and a second retaining wing, wherein the first retaining wing is disposed on the first retaining leg and adjacent to the base wall, and the second retaining wing is disposed on the second retaining leg and adjacent to the base wall.

[0033] In some alternative embodiments, each of the first retaining leg and the second retaining leg includes a first portion and a second portion, wherein the first portion includes a window, and wherein the second portion extends from the first portion toward a first side of the first portion and through the window to a second side of the first portion opposite to the first side, and the second portion is adapted to engage the edge of the opening.

[0034] In some alternative embodiments, the free end of the second portion of each of the first retaining leg and the second retaining leg has a bent shape to prevent the second portion from dislodging from the window.

[0035] In some alternative embodiments, each of the first retaining leg and the second retaining leg includes a reinforcing rib positioned adjacent to the window.

[0036] In some alternative embodiments, one of the first retaining leg and the second retaining leg includes a limiting tab and the other includes a limiting groove, wherein the limiting tab extends into the limiting groove to prevent the first retaining leg and the second retaining leg from being misaligned with each other.

[0037] At least one retaining wing of the aforementioned mounting clip elastically engages / interference-fits with the receiving channel of the first component, avoiding gaps caused by tolerances or other reasons between the retaining wing of the mounting clip and the receiving channel of the first component. This helps prevent relative wobbling / displacement between the first component and the mounting clip after assembly. At least one limiting portion of the mounting clip restricts the movement of the mounting clip relative to the first component in the insertion direction I and in the opposite direction to the insertion direction I, preventing the retaining wing from dislodging from the receiving channel, especially under vibration conditions, further strengthening the connection between the first component and the mounting clip. Furthermore, compared to a mounting clip without the aforementioned limiting portion, by providing at least one limiting portion, the connection between the first component and the mounting clip can be achieved jointly through the elastic engagement of the retaining wing and the receiving channel, as well as the limiting portion. Therefore, the engagement force / interference between the retaining wing and the receiving channel can be appropriately reduced, making it easier for the retaining wing to insert into the receiving channel and reducing scratches on the first component caused by the retaining wing inserting into the receiving channel.

[0038] A third aspect of this invention provides a solenoid valve assembly, the solenoid valve assembly including a solenoid valve according to a first aspect of this invention and a mounting clip according to a second aspect of this invention, wherein the mounting clip is used to mount the solenoid valve to a support structure, and the solenoid valve includes a receiving channel.

[0039] The above-mentioned solenoid valve assembly combines the advantages of the aforementioned solenoid valve and mounting clip. Attached Figure Description

[0040] Other features and advantages of this utility model will be better understood through the following detailed description of optional embodiments in conjunction with the accompanying drawings, in which the same reference numerals identify the same or similar parts, wherein:

[0041] Figure 1 This is a schematic front view of a solenoid valve according to an exemplary embodiment of the present invention;

[0042] Figure 2A This is a schematic cross-sectional view of a solenoid valve according to an exemplary embodiment of the present invention;

[0043] Figure 2B yes Figure 2A A magnified view of a portion of the image;

[0044] Figure 3A and Figure 3B These are schematic cross-sectional views and schematic top views of the support frame and magnetic conductive assembly of a solenoid valve according to an exemplary embodiment of the present invention.

[0045] Figure 4A and Figure 4B These are schematic cross-sectional views and schematic perspective views of the magnetic housing of an electromagnetic valve according to an exemplary embodiment of the present invention.

[0046] Figure 5 This is a schematic cross-sectional view of the magnetic valve core of an electromagnetic valve according to an exemplary embodiment of the present invention;

[0047] Figure 6A This is a schematic perspective view of a support frame for a solenoid valve according to an exemplary embodiment of the present invention;

[0048] Figure 6B This is a schematic front view of a support frame for a solenoid valve according to an exemplary embodiment of the present invention, wherein a permanent magnet and a sealing ring are mounted on the support frame.

[0049] Figure 7 and Figure 8 These are schematic perspective views of the mounting clip according to an exemplary embodiment of the present invention, viewed from different angles.

[0050] Figure 9A andFigure 9B These are schematic left and schematic front views of a mounting clip according to an exemplary embodiment of the present invention.

[0051] Figure 10 These are schematic front views of a solenoid valve and mounting clip assembled according to an exemplary embodiment of the present invention.

[0052] Figure 11A and Figure 11B These are different partial schematic diagrams showing the assembly of a solenoid valve and a mounting clip according to an exemplary embodiment of the present invention; and

[0053] Figure 12 This is a schematic diagram of the mounting clip being installed onto a support structure according to an example embodiment of the present invention. Detailed Implementation

[0054] The implementation and use of the embodiments are discussed in detail below. However, it should be understood that the specific embodiments discussed are merely illustrative of specific ways of implementing and using this utility model, and are not intended to limit the scope of this utility model. In the description, the structural positions of the various components, such as upper, lower, top, bottom, etc., are not absolute, but relative. These orientations are appropriate when the various components are arranged as shown in the figures, but these orientations change accordingly when the positions of the various components in the figures change.

[0055] In this utility model, the axial direction of the cylindrical or annular component refers to the direction of the central axis of the component or the direction parallel to the central axis; the circumferential direction of the cylindrical or annular component refers to the direction along the circumference of the component; and the radial direction of the cylindrical or annular component refers to the direction passing through the central axis of the component and perpendicular to the axial direction of the component.

[0056] In this utility model, unless otherwise stated, a cylindrical structure refers to a structure with an axially extending hollow cavity, the cross-sectional shape of which includes, but is not limited to, a circle, an ellipse, a polygon (such as a quadrilateral or a hexagon), an irregular shape, etc.

[0057] The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In this utility model, unless otherwise expressly specified, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0058] Figures 1 to 6BAn exemplary embodiment of the present invention is shown.

[0059] Reference Figures 1 to 3B The solenoid valve 100 may include a coil 102 and a magnetically conductive assembly 104. The magnetically conductive assembly 104 may include a magnetically conductive housing 106 and a magnetically conductive valve core 108. The magnetically conductive housing 106 may include an end wall 110 and a cylindrical side wall 112. The cylindrical side wall 112 surrounds the coil 102 and includes a first axial end 114 and a second axial end 116. The end wall 110 is disposed at the first axial end 114 of the cylindrical side wall 112. The magnetically conductive valve core 108 may be at least partially disposed inside the magnetically conductive housing 106 and is capable of being in an open position that opens the solenoid valve 100 and a closed position that closes the solenoid valve 100 (see...). Figure 2A The magnetic housing 106 may include a cylindrical portion 118 extending from the end wall 110 toward the magnetic valve core 108. The coil 102 is configured to surround the cylindrical portion 118 and the magnetic valve core 108.

[0060] In the aforementioned solenoid valve 100, the cylindrical portion 118 of the magnetic housing 106 surrounded by the coil 102 and the magnetic valve core 108 serve as the stationary and moving core of the solenoid valve, respectively. When the coil 102 is energized, the cylindrical portion 118 and the magnetic valve core 108 are magnetized and attract each other, causing the magnetic valve core 108 to move to the open or closed position. Existing solenoid valves typically use a single, solid cylindrical stationary core. Due to the characteristics of the magnetic field, the magnetic lines of force are mainly concentrated on the circumferential surface of the solid cylindrical stationary core, while the magnetic lines of force and the magnetic field are sparser and weaker in the central region of the stationary core. Therefore, the central region of the stationary core has less influence on the movement of the moving core when the solenoid valve is operating. Compared to the cylindrical solid core in the prior art, the cylindrical portion 118 used as the core in this invention can concentrate the originally dispersed magnetic lines of force to the circumferential wall 119 of the cylindrical portion 118, increasing the magnetic field strength at that point. This results in a greater electromagnetic force on the magnetic valve core 108 when the coil 102 is energized, and also reduces the weight of the core, saving on core costs. Furthermore, the magnetically conductive shell 106, including the end wall 110, the cylindrical side wall 112, and the cylindrical portion 118, can guide the magnetic lines of force when the coil 102 is energized, facilitating the formation of a magnetically closed loop. In other words, the magnetically conductive shell 106 combines the functions of the core of the solenoid valve in the prior art with the magnetically conductive component for guiding magnetic lines of force, simplifying the structure of the solenoid valve 100 and facilitating its assembly.

[0061] Reference Figure 1 and Figure 2AThe solenoid valve 100 may include a housing 120. The housing 120 may be made of plastic. The housing 120 may include a housing body 122 and a cover member 124. The housing body 122 may have a generally cylindrical shape. In the illustrated embodiment, the housing body 122 includes a large-diameter portion 126 and a small-diameter portion 128 adjacent to each other in its axial direction, and a stepped portion 130 connecting the large-diameter portion 126 and the small-diameter portion 128. The cover member 124 may be disposed at one end of the housing body 122. The cover member 124 may be sealed to the housing body 122 by welding, for example, laser welding, to eliminate the risk of external liquids seeping into the area where the coil 102 is located.

[0062] The housing 120 may also include a plurality of fluid ports located at one end of the housing body 122 relatively remote from the cover member 124. In the illustrated embodiment, the housing 120 includes three fluid ports 132A, 132B, and 132C for fluid inflow and outflow from the housing 120. Fluid ports 132A and 132B may include structures adapted to mate with quick-connect fittings, and fluid port 132C may include a quick-connect fitting to allow the solenoid valve 100 to be quickly connected to other fluid lines. The quick-connect fitting may be a quick-connect fitting that is locked using a snap ring or a slip lock. The structure mating with the quick-connect fitting may be a tubular portion including an annular groove or an annular flange. It is contemplated that in other embodiments not shown, the housing may include other suitable numbers of fluid ports, for example, two or more than three fluid ports.

[0063] Reference Figures 2A to 3B as well as Figure 6A and Figure 6B The solenoid valve 100 may further include a support frame 134. The coil 102, the magnetic conductor assembly 104, and the support frame 134 are all housed within the housing 120. The support frame 134 and the housing 120 together define a fluid chamber 136. A fluid port 132A may be selectively connected to or not connected to the fluid chamber 136. Fluid ports 132B and 132C remain connected to the fluid chamber 136.

[0064] In the illustrated embodiment, the support frame 134 may include a cylindrical body 138. The cylindrical body 138 may have a circular cross-section. The support frame 134 may also include a first flange 140 and a second flange 142 extending radially outward from the cylindrical body 138 and spaced apart from each other. The first flange 140 and the second flange 142 may be annular in shape. The support frame 134 may be made of plastic. The cylindrical body 138 may be coaxially disposed with the magnetic housing 106; in other words, the central axis of the cylindrical body 138 may overlap with the central axis of the magnetic housing 106.

[0065] In the illustrated embodiment, coil 102, magnetic housing 106, and magnetic valve core 108 can be mounted to support frame 134. Coil 102 can be disposed around cylindrical body 138 between first flange 140 and second flange 142. Coil 102 can be directly wound around cylindrical body 138. First flange 140 may also include PIN needle channel 144 to receive and retain PIN needles 146 electrically connected to coil 102. Magnetic housing 106 can be mounted / sleeved onto support frame 134. The first axial end 114 of end wall 110 and cylindrical side wall 112 of magnetic housing 106 can be adjacent to the first flange 140 of support frame 134. Cylindrical side wall 112 of magnetic housing 106 can surround / cover the outer surface of coil 102. Second axial end 116 of cylindrical side wall 112 of magnetic housing 106 can be adjacent to the second flange 142 of support frame 134. The cylindrical portion 118 of the magnetic housing 106 can be located within the cylindrical body 138 of the support frame 134. The end wall 110 of the magnetic housing 106 also includes an aperture 148 to allow a PIN channel 144 on the support frame 134 to pass through. The magnetic valve core 108 can be mounted within the cylindrical body 138. In the illustrated embodiment, the cylindrical body 138 may include a spacer wall 150 and a first cavity 152 and a second cavity 154 spaced / separated by the spacer wall 150. The cylindrical portion 118 of the magnetic housing 106 and the magnetic valve core 108 can be located within the first cavity 152 and the second cavity 154, respectively. The end wall 121 of the cylindrical portion 118 of the magnetic housing 106 can be supported on the spacer wall 150.

[0066] In the illustrated embodiment, the support frame 134, and more specifically, the second flange 142 of the support frame 134, can be supported on the stepped portion 130 of the housing body 122. The cover member 124 of the housing 120 may include an abutment rib 156 extending toward the interior of the housing body 122. The end of the abutment rib 156 may include a sharp protrusion 158 to abut against the end wall 110 of the magnetic housing 106. In this way, the magnetic housing 106 and the support frame 134 can be securely held within the housing 120.

[0067] In the illustrated embodiment, the spacer wall 150 of the support frame 134 and the second cavity 154, together with the small-diameter portion 128 of the housing 120, can define a fluid chamber 136. The solenoid valve 100 may also include a sealing ring 160. The sealing ring 160 can seal the annular gap between the second cavity 154 of the cylindrical body 138 and the small-diameter portion 128 of the housing 120 to seal and isolate the area where the coil 102 is located from the fluid chamber 136. In the illustrated embodiment, the solenoid valve 100 includes two sealing rings 160 to enhance the sealing effect. It is contemplated that in other embodiments not shown, other suitable numbers of sealing rings may be provided, such as one or more than two sealing rings. In the illustrated embodiment, the second cavity 154 of the support frame 134 may include an annular groove 161 on its outer periphery to accommodate the sealing ring 160.

[0068] Reference Figures 2A to 5 In the illustrated embodiment, the cylindrical sidewall 112 of the magnetic housing 106 of the magnetic conductive assembly 104 is adjacent to the end wall 110 and surrounds the entire circumference of the end wall 110. The cylindrical sidewall 112 may have a circular cross-section to follow the outer surface of the coil 102. The cylindrical portion 118 of the magnetic housing 106 may have a circular cross-section and be open at one end and closed at the other. It is conceivable that in some other embodiments not shown, the cylindrical portion of the magnetic housing may be open at both ends. The outer diameter of the cylindrical portion 118 of the magnetic housing 106 may be substantially equal to or slightly smaller than the inner diameter of the first cavity 152 of the support frame 134. The magnetic housing 106 may be integrally formed, for example, by stamping. The integral design of the magnetic housing 106 can make the magnetic lines of force smoother and more complete, and the magnetic conductivity better; in addition, it simplifies the magnetic structure of the solenoid valve (e.g., replacing some of the magnetic components of a conventional solenoid valve, such as the peripheral magnetic housing, upper bottom housing, stator, etc.), saving weight and cost. The magnetic shell 106 can be made of a magnetic material, such as a soft magnetic material.

[0069] In the illustrated embodiment, the magnetic valve core 108 of the magnetically conductive assembly 104 may have a generally cylindrical shape and include a first end 162 relatively close to the cylindrical portion 118 of the magnetically conductive housing 106 and a second end 164 relatively distant from the cylindrical portion 118 of the magnetically conductive housing 106. The magnetic valve core 108 includes a first segment 166 and a second segment 168 adjacent to each other in its axial direction. The second segment 168 of the magnetic valve core 108 is further away from the cylindrical portion 118 of the magnetically conductive housing 106 than the first segment 166. The outer diameter of the second segment 168 is larger than the outer diameter of the first segment 166. The first segment 166 includes the first end 162, and the second segment 168 includes the second end 164. The second cavity 154 of the support frame 134 may have a shape that matches the magnetic valve core 108 to guide the magnetic valve core 108 to reciprocate smoothly within the second cavity 154. Accordingly, the second cavity 154 of the support frame 134 includes a stepped portion 155. The magnetic valve core 108 may be made of a magnetic material, such as a soft magnetic material. The solenoid valve 100 may also include an elastic member 170. The elastic member 170 may be disposed between the spacer wall 150 of the support frame 134 and the magnetic valve core 108 to bias the magnetic valve core 108 toward the direction away from the cylindrical portion 118 of the magnetic housing 106 / towards the closed position. The elastic member 170 may be a helical spring. The second end 164 of the magnetic valve core 108 is fitted with a seal 172. The seal 172 is used when the magnetic valve core 108 is in the closed position (see...). Figure 2A When in the open position, the fluid port 132A is blocked and disconnected respectively. For example... Figure 2A As shown, when the coil 102 is not energized, the magnetic valve core 108 is biased downwards toward the cylindrical portion 118 away from the magnetic housing 106 by the elastic force of the elastic member 170 and the liquid pressure in the fluid chamber 136. This causes the seal 172 to block the fluid port 132A, which is axially opposite to the magnetic valve core 108. At this time, fluid cannot enter or exit the fluid chamber 136 through the fluid port 132A, and the solenoid valve 100 is closed. When the coil 102 is energized, the magnetic valve core 108 is subjected to an upward electromagnetic force, which overcomes the elastic force of the elastic member 170 and the liquid pressure in the fluid chamber 136, causing it to move toward the cylindrical portion 118 of the magnetic housing 106. This causes the seal 172 to disengage from the fluid port 132A, thereby connecting the fluid port 132A with the fluid chamber 136. The more specific construction of the magnetic valve core 108 will be further described below. In the illustrated embodiment, when coil 102 is not energized, the solenoid valve core 108 is in the closed position; when coil 102 is energized, the solenoid valve core 108 moves from the closed position to the open position. It is conceivable that in other embodiments (not shown), the solenoid valve may be configured such that when coil 102 is not energized, the solenoid valve core 108 is in the open position; and when coil 102 is energized, the solenoid valve core 108 moves from the open position to the closed position.

[0070] In the illustrated embodiment, the magnetically conductive assembly 104 may further include a permanent magnet 174. The permanent magnet 174 may be made of a ferromagnetic material. The central axis of the permanent magnet 174 may overlap with the central axis of the coil 102. The permanent magnet 174 may be configured such that the magnetic field generated by the permanent magnet 174 is in the same direction as the magnetic field generated by the coil 102 when energized (in other words, the electromagnetic force provided by the permanent magnet 174 to the magnetically conductive valve core 108 is in the same direction as the electromagnetic force provided by the coil 102 to the magnetically conductive valve core 108), thereby enhancing the magnetic field strength at the magnetically conductive valve core 108 when the coil 102 is energized, and thus increasing the electromagnetic force experienced by the magnetically conductive valve core 108. Optionally, the N pole and S pole of the permanent magnet 174 may be located at the upper and lower parts of the permanent magnet 174, respectively. When the resistance of coil 102 increases under high-temperature conditions, leading to a reduction in the electromagnetic force provided by coil 102, or when the operating voltage fluctuates and falls below the rated voltage, further reducing the electromagnetic force provided by coil 102, permanent magnet 174 can provide supplementary electromagnetic force, enabling solenoid valve 100 to open normally. Under non-high-temperature conditions, the electromagnetic force provided by permanent magnet 174 allows for a reduction in the minimum opening voltage of solenoid valve 100, thus widening the operating voltage range of solenoid valve 100.

[0071] In the illustrated embodiment, the permanent magnet 174 is disposed at or near the second axial end 116 of the cylindrical sidewall 112 of the magnetic housing 106, and is located between the cylindrical sidewall 112 of the magnetic housing 106 and the magnetic valve core 108 (more specifically, between the cylindrical sidewall 112 of the magnetic housing 106 and the cylindrical body 138 of the support frame 134), so as to form a magnetic closed loop together with the magnetic housing 106 and the magnetic valve core 108, making the magnetic lines of force more complete and smooth, and the magnetic field distribution more concentrated. Thus, when the coil 102 is energized, the electromagnetic force on the magnetic valve core 108 / moving core is greater. The permanent magnet 174 can extend radially along the magnetic housing 106 / cylindrical sidewall 112.

[0072] Reference Figures 2A to 6B In the illustrated embodiment, the permanent magnet 174 can be held on the second flange 142 of the support frame 134 and adjacent to the coil 102. The upper surface of the second flange 142 of the support frame 134 can be flush with the upper surface of the stepped portion 155 of the cylindrical body 138 to jointly support the permanent magnet 174, as shown. Figure 3AAs shown, the permanent magnet 174 may include two semi-annular permanent magnet portions 176. These two permanent magnet portions 176 may be arranged symmetrically such that the permanent magnet 174 surrounds / encircles the magnetic valve core 108. In the illustrated embodiment, the second flange 142 of the support frame 134 includes a snap-fit ​​structure. The permanent magnet 174 is held on the second flange 142 by the snap-fit ​​structure. The snap-fit ​​structure may include two radially opposed snap-fit ​​ribs 178. Each snap-fit ​​rib 178 defines two first snap-fit ​​slots 180. The snap-fit ​​structure may also include two radially opposed snap-fit ​​claws 182. Each snap-fit ​​claw 182 defines a second snap-fit ​​slot 184. The two ends of each permanent magnet portion 176 may engage with the first snap-fit ​​slots 180 of the two snap-fit ​​ribs 178, and the middle portion of each permanent magnet portion 176 may engage with the second snap-fit ​​slot 184 of one snap-fit ​​claw 182, for convenient and secure mounting to the support frame 134. It is conceivable that the snap-fit ​​structure is not limited to the illustrated embodiment. For example, in some embodiments not shown, the snap-fit ​​structure may only include a plurality of snap-fit ​​claws. It is also conceivable that the permanent magnet may include three or more permanent magnet portions arranged around / surrounding the magnetic valve core / cylindrical body, and the snap-fit ​​structure may include a corresponding number of snap-fit ​​ribs and snap-fit ​​claws.

[0073] The permanent magnet 174 is spaced apart from the second section 168 of the solenoid valve core 108 by the support frame 134, so that the permanent magnet 174 is not adjacent to / not close to the second section 168 of the solenoid valve core 108, resulting in a smaller upward electromagnetic force exerted by the permanent magnet 174 on the solenoid valve core 108 when the coil 102 is not energized. This can reduce or eliminate the risk that the solenoid valve core 108 may move upward due to the upward electromagnetic force provided by the permanent magnet 174 when the coil 102 is not energized, thus causing the solenoid valve 100 to open undesirably, even if the elastic member 170 wears or fatigues and the elastic force decreases.

[0074] Continue to refer to Figures 2A to 6BIn the illustrated embodiment, a first groove 190 can be coaxially provided at the first end 162 of the magnetic valve core 108; in other words, the central axis of the first groove 190 coincides with the central axis of the magnetic valve core 108. The first groove 190 can have a circular cross-section. Since the magnetic field is mainly distributed on the surface of the magnetic conductor, opening the first groove 190 in the center of the first end 162 of the magnetic valve core 108 (in other words, eliminating the central region of the moving core) will make the magnetic lines of force at the magnetic valve core 108 / moving core more concentrated. Combined with the cylindrical portion 118 of the magnetic shell 106, this can increase the electromagnetic force on the magnetic valve core 108 / moving core when the coil 102 is energized. In the illustrated embodiment, the portion 191 of the magnetic valve core 108 located between the outer peripheral surface of the magnetic valve core 108 and the inner peripheral surface of the first groove 190 is opposite to the circumferential wall 119 of the cylindrical portion 118 of the magnetic shell 106, ensuring that the magnetic lines of force remain smooth and continuous even where the magnetic conductor is physically disconnected, further enhancing the overall magnetic field strength. Optionally, the inner diameter D1 of the first groove 190 is 92% to 95% of the outer diameter D2 of the first end 162 / first segment 166 of the magnetic valve core 108, allowing for better concentration of magnetic lines of force and further increasing the magnetic line density at the magnetic valve core 108 / moving core. Furthermore, the first groove 190 can also accommodate an elastic member 170.

[0075] In the illustrated embodiment, a second groove 192 can be coaxially provided at the second end 164 of the magnetic valve core 108; in other words, the central axis of the second groove 192 coincides with the central axis of the magnetic valve core 108. The second groove 192 can have an annular cross-section. By providing the second groove 192 at the second end 164 of the magnetic valve core 108, the magnetic field lines can be concentrated on the surface of the magnetic valve core 108 / moving core when the coil 102 is energized, increasing the magnetic field strength on the surface of the magnetic valve core 108 / moving core, thereby increasing the electromagnetic force on the magnetic valve core 108 / moving core. When the liquid pressure in the fluid chamber 136 is high, the magnetic valve core 108 will be subjected to a large downward fluid pressure when in the closed position. If the sum of the downward fluid pressure and the elastic force of the elastic member 170 exceeds the electromagnetic force on the magnetic valve core 108 under the rated voltage of the solenoid valve 100, the magnetic valve core 108 may not be able to move upward to the open position normally; in other words, the solenoid valve 100 may not be able to open normally. By providing a first groove 190 and a second groove 192 at the end of the magnetic valve core 108, the electromagnetic force on the magnetic valve core 108 can be enhanced by increasing the magnetic field strength, thereby reducing the risk of solenoid valve malfunction due to high liquid pressure. In the illustrated embodiment, a stepped hole 186 is also provided at the second end 164 of the magnetic valve core 108. A seal 172 is disposed in the stepped hole 186 and includes a limiting shoulder 188. The limiting shoulder 188 is adapted to engage the stepped surface 187 of the stepped hole 186 to prevent the seal 172 from dislodging from the stepped hole 186. By providing a stepped hole 186 for accommodating the seal 172, liquid in the fluid chamber 136 can also be prevented from entering the gap between the stepped hole 186 and the seal 172, thereby reducing the risk of the seal 172 dislodging from the stepped hole 186 due to high liquid pressure.

[0076] Furthermore, as described above, in the illustrated embodiment, the outer diameter of the second segment 168 of the magnetic valve core 108 is larger than the outer diameter of the first segment 166. Since the magnetic induction intensity is greatly affected by the air gap distance between the two magnetic bodies, by increasing the outer diameter of the second segment 168 of the magnetic valve core 108, the air gap distance between the second segment 168 and the permanent magnet 174 will be shortened, thereby strengthening the magnetic induction intensity in this area when the coil 102 is energized, making the electromagnetic force on the magnetic valve core 108 stronger.

[0077] As described above, the support frame 134 of the solenoid valve 100 can be used to support or install multiple components of the solenoid valve 100, such as the magnetic housing 106, the magnetic valve core 108, the permanent magnet 174, the coil 102, the elastic member 170, and the sealing ring 160. This achieves efficient integrated arrangement of the components within the solenoid valve 100, thereby reducing the number and cost of the support components required for the solenoid valve 100. Moreover, the various components of the solenoid valve 100 are fixed by means of abutment, snap-fit, welding, etc., without the need for additional connecting parts (e.g., bolts), reducing assembly time and difficulty, and also eliminating the risk of bolt loosening and connection failure caused by factors such as vibration.

[0078] Figures 7 to 12 A mounting clip 200 according to an exemplary embodiment of the present invention is shown. The mounting clip 200 can mount a first component to a second component. The mounting clip 200 will be described below using an example of mounting a solenoid valve 100, which is the first component, to a support structure 300, which is the second component. It is understood that the application of the mounting clip 200 is not limited to this, and it can be used in other application scenarios.

[0079] Reference Figures 7 to 12 The mounting clip 200 includes a first retaining leg 202A and a second retaining leg 202B, at least one retaining wing 204, and at least one limiting portion 206, 208. The first retaining leg 202A and the second retaining leg 202B are disposed opposite to each other and adapted to engage with an opening 302 of the support structure 300 to prevent the mounting clip 200 from disengaging from the opening 302. The at least one retaining wing 204 is adapted to be inserted along the insertion direction I and resiliently engage with the receiving channel 194 of the solenoid valve 100. The at least one limiting portion 206, 208 is configured to restrict movement of the mounting clip 200 relative to the solenoid valve 100 in the insertion direction I and in a direction opposite to the insertion direction I after the at least one retaining wing 204 has been inserted into the receiving channel 194.

[0080] At least one retaining wing 204 of the mounting clip 200 is elastically engaged / interference-fitted with the receiving channel 194 of the solenoid valve 100. This avoids gaps caused by tolerances or other reasons between the retaining wing 204 of the mounting clip 200 and the receiving channel 194 of the solenoid valve 100, helping to prevent relative wobbling / displacement between the solenoid valve 100 and the mounting clip 200 after assembly. At least one limiting portion 206, 208 of the mounting clip 200 restricts the movement of the mounting clip 200 relative to the solenoid valve 100 in the insertion direction I and in the opposite direction to the insertion direction I. This prevents the retaining wing 204 from dislodging from the receiving channel 194, and further strengthens the connection between the solenoid valve 100 and the mounting clip 200, especially in vibration environments. Furthermore, compared to a mounting clip without the aforementioned limiting portion, by providing at least one limiting portion 206, 208, the connection between the solenoid valve 100 and the mounting clip 200 can be achieved through the elastic engagement of the retaining wing 204 and the receiving channel 194, as well as the limiting portions 206, 208. This appropriately reduces the engagement force / interference between the retaining wing 204 and the receiving channel 194, making it relatively easy for the retaining wing 204 to be inserted into the receiving channel 194, and reducing scratches on the solenoid valve 100 caused by the insertion of the retaining wing 204 into the receiving channel 194.

[0081] Reference Figures 7 to 10 as well as Figure 12 The solenoid valve 100 and the mounting clip 200 can form a solenoid valve assembly 10. In the illustrated embodiment, the mounting clip 200 may include a base wall 209. The base wall 209 connects a first retaining leg 202A and a second retaining leg 202B. The base wall 209 may include two spaced-apart base wall portions 210A, 210B. In some embodiments not shown, the base wall may also be continuous. In other embodiments not shown, the mounting clip may not include a base wall, and the first and second retaining legs may be directly connected to each other at one end.

[0082] exist Figure 9A and Figure 9B The diagram illustrates an XYZ Cartesian coordinate system established based on the base wall 209, where the X direction represents the length of the base wall 209, the Y direction represents the width of the base wall 209, and the Z direction is perpendicular to the base wall 209. The mounting clip 200 will be described below with reference to this XYZ Cartesian coordinate system. In the illustrated embodiment, the first retaining leg 202A and the second retaining leg 202B (which may also be collectively referred to as retaining legs 202) are disposed on both sides of the base wall 209 in the Y direction.

[0083] Each retaining leg 202 may include a first portion 212 and a second portion 214. The first portion 212 of each retaining leg 202 is adjacent to the base wall 209 and includes a window 216. In the illustrated embodiment, the first portion 212 itself has a bent shape. The first portion 212 of each retaining leg 202 may also include a reinforcing rib 218 adjacent to the window 216 to increase the structural strength of the window 216 region and reduce the risk of fracture of the window 216 region under vibration. In the illustrated embodiment, the first portion 212 of each retaining leg 202 includes two reinforcing ribs 218. The two reinforcing ribs 218 are respectively disposed on both sides of the window 216 in the X direction. The second portion 214 of each retaining leg 202 extends from the first portion 212 toward a first side (outer side) S1 of the first portion 212 and through the window 216 to a second side (inner side) S2 of the first portion 212 opposite to the first side S1, and the second portion 214 is adapted to engage the edge of the opening 302. In the illustrated embodiment, the second portion 214 itself has a bent shape. When the two retaining legs 202 are inserted into the opening 302 of the support structure 300, each retaining leg 202 undergoes elastic deformation, causing the second portion 214 of each retaining leg 202 to approach the first portion 212, allowing the two retaining legs 202 to move past the edge of the opening 302. When the two retaining legs 202 are fully inserted (at which point the two first limiting portions 206 abut against the support structure 300 to limit further insertion of the retaining legs 202), the retaining legs 202 will at least partially recover their deformation, causing the second portion 214 of each retaining leg 202 to engage the edge of the opening 302. In other words, when the retaining legs 202 are fully inserted, the first limiting portion 206 of the mounting clip 200 and the second portion 214 of the retaining legs 202 clamp the portion of the support structure 300 including the opening 302, thereby preventing relative movement between the mounting clip 200 and the support structure 300.

[0084] The second portion 214 of each of the aforementioned retaining legs 202 extends from the first portion 212 toward the first side S1 of the first portion 212 and through the window 216 to the second side S2 of the first portion 212 opposite to the first side S1, such that the retaining leg 202 has a double-layered curved structure, which increases the elasticity of the retaining leg 202 and can reduce the insertion force required to insert the retaining leg 202 into the opening 302 of the support structure 300 while firmly holding the mounting clip 200 on the support structure 300.

[0085] In the illustrated embodiment, the free end 220 of the second portion 214 of each retaining leg 202 has a bent / hook shape to prevent the second portion 214 from disengaging from the window 216, thereby improving the structural stability of the mounting clip 200. In the illustrated embodiment, the first retaining leg 202A may include a limiting tab 222. The second retaining leg 202B may include a limiting groove 224. The limiting tab 222 can extend into the limiting groove 224 to prevent the first retaining leg 202A and the second retaining leg 202B from being misaligned with each other, thereby improving the structural stability of the mounting clip 200. In some other embodiments not shown, a limiting groove may be provided on the first retaining leg, while a limiting tab may be provided on the second retaining leg.

[0086] Reference Figures 7 to 11B In the illustrated embodiment, at least one retaining wing 204 of the mounting clip 200 includes a first retaining wing 204A and a second retaining wing 204B. The first retaining wing 204A is disposed on a first portion 212 of the first retaining leg 202A and adjacent to the base wall 209. The second retaining wing 204B is disposed on a first portion 212 of the second retaining leg 202B and adjacent to the base wall 209. The first retaining wing 204A and the second retaining wing 204B extend in opposite directions. The housing body 122 of the solenoid valve 100 may include a receiving channel 194 located on its outer periphery and extending generally axially. The first retaining wing 204A and the second retaining wing 204B of the mounting clip 200 can be inserted from the axial end of the receiving channel 194 along the insertion direction I (in Figure 11A In the illustrated embodiment, the insertion direction I (upward along the axial direction of the housing body 122) is used to insert into the receiving channel 194, so as to elastically engage / interference fit with the receiving channel 194 to restrict the movement of the mounting clip 200 relative to the solenoid valve 100 in a direction perpendicular to the insertion direction I, thereby initially holding the mounting clip 200 on the solenoid valve 100. In the illustrated embodiment, the receiving channel 194 may have a generally T-shaped cross-section and includes a first channel portion 195 and two second channel portions 197 located on both sides of the first channel portion 195. The first channel portion 195 can be used for the insertion of the base wall 209 and the two retaining legs 202, and each second channel portion 197 can be used for the insertion of a corresponding retaining wing 204.

[0087] In the illustrated embodiment, at least one limiting portion of the mounting clip 200 includes two first limiting portions 206. Each first limiting portion 206 is adapted to abut against the end face of the receiving channel 194 to restrict movement of the mounting clip 200 relative to the solenoid valve 100 in the insertion direction I after the first retaining wing 204A and the second retaining wing 204B are inserted into the receiving channel 194. Each first limiting portion 206 may be disposed on a first portion 212 of a corresponding retaining leg 202. Each first limiting portion 206 may be in the form of a tab and bend relative to the first portion 212 of the retaining leg 202.

[0088] In the illustrated embodiment, at least one limiting portion of the mounting clip 200 further includes a second limiting portion 208. The second limiting portion 208 is open and can engage with a limiting protrusion 196 on the housing body 122 of the solenoid valve 100. The second limiting portion 208 may be provided on the base wall portion 210A of the base wall 209. In the illustrated embodiment, the limiting protrusion 196 has a hook shape and includes a guide ramp 198. During the insertion of the first retaining wing 204A and the second retaining wing 204B into the receiving channel 194, the base wall portion 210A of the base wall 209, including the second limiting portion 208, is guided by the guide ramp 198 and elastically deforms in a direction away from the housing body 122. When the first retaining wing 204A and the second retaining wing 204B are inserted into the receiving channel 194 (i.e., the first limiting part 206 abuts against the end face of the receiving channel 194), the second limiting part 208 aligns with the limiting protrusion 196, causing the base wall portion 210A of the base wall 209, including the second limiting part 208, to recover its deformation so that the second limiting part 208 engages with the limiting protrusion 196, thereby restricting the movement of the mounting clip 200 relative to the solenoid valve 100 in the opposite direction to the insertion direction I after the first retaining wing 204A and the second retaining wing 204B are inserted into the receiving channel 194.

[0089] The cooperation of the first limiting part 206 and the second limiting part 208 restricts the movement of the mounting clip 200 relative to the solenoid valve 100 in the insertion direction I and in the opposite direction after the first retaining wing 204A and the second retaining wing 204B are inserted into the receiving channel 194. This prevents the retaining wing 204 of the mounting clip 200 from dislodging from the receiving channel 194 of the solenoid valve 100, thereby securely mounting / connecting the mounting clip 200 to the solenoid valve 100. In the illustrated embodiment, the first limiting part 206 and the second limiting part 208 are provided on both sides of the mounting clip 200 in the X direction.

[0090] It is conceivable that the limiting portion of the mounting clip is not limited to the illustrated embodiment, but can be configured in other suitable ways. For example, in some other embodiments not shown, the first limiting portion may be omitted, and only the second limiting portion may be provided while changing the shape of the limiting protrusion of the solenoid valve, so that the movement of the mounting clip relative to the solenoid valve in the insertion direction I and in the direction opposite to the insertion direction I can be restricted solely by the engagement of the second limiting portion with the limiting protrusion.

[0091] Reference Figures 7 to 12 When using the mounting clip 200, the mounting clip 200 can be connected / installed to the solenoid valve 100 first, and then the retaining leg 202 of the mounting clip 200 can be inserted into the opening 302 of the support structure 300 to fix it to the support structure 300, thereby installing the solenoid valve 100 to the support structure 300 through the mounting clip 200.

[0092] It should also be understood that the various components and features described herein may be made of a variety of materials, including but not limited to polymers, rubber, metals, and other suitable materials or combinations thereof known to those skilled in the art. Figures 1 to 12 The embodiments shown only illustrate the shape, quantity, size, and arrangement of various optional components of the solenoid valve, mounting clip, and solenoid valve assembly according to the present invention. However, they are only illustrative and not limiting. Other shapes, sizes, and arrangements may be adopted without departing from the spirit and scope of the present invention.

[0093] The technical content and features of this utility model have been disclosed above. However, it is understood that, under the inventive concept of this utility model, those skilled in the art can easily make modifications, variations, and equivalents of these embodiments based on the disclosed content. For example, features shown or described as part of one embodiment can be used with another embodiment to produce yet another embodiment. This disclosure is intended to cover these modifications, variations, and equivalents. The description of the above embodiments is exemplary and not restrictive, and the scope of protection of this utility model is determined by the claims.

Claims

1. A solenoid valve, characterized in that, The solenoid valve (100) includes: Coil (102); and A magnetically conductive assembly (104), the magnetically conductive assembly (104) comprising: A magnetic housing (106) comprising an end wall (110) and a cylindrical side wall (112), the end wall (110) being located at an axial end of the cylindrical side wall (112), the cylindrical side wall (112) surrounding the coil (102); and A magnetic valve core (108) is at least partially disposed inside the magnetic housing (106) and is movable between an open position that opens the solenoid valve (100) and a closed position that closes the solenoid valve (100). The magnetic housing (106) includes a cylindrical portion (118) extending from the end wall (110) toward the magnetic valve core (108), and the coil (102) surrounds the cylindrical portion (118) and the magnetic valve core (108).

2. The solenoid valve according to claim 1, characterized in that, The magnetic guide assembly (104) further includes a permanent magnet (174) disposed at or near the axial end of the cylindrical sidewall (112) away from the end wall (110) and located between the cylindrical sidewall (112) and the magnetic valve core (108).

3. The solenoid valve according to claim 2, characterized in that, The permanent magnet (174) surrounds the magnetic valve core (108), and / or the permanent magnet (174) includes two semi-annular permanent magnet portions (176).

4. The solenoid valve according to claim 1, characterized in that, The magnetic shell (106) is integrally formed.

5. The solenoid valve according to claim 1, characterized in that, The magnetic valve core (108) has a columnar shape and includes a first end (162) near the cylindrical portion (118) and a second end (164) away from the cylindrical portion (118), wherein at least one of the first end (162) and the second end (164) is provided with a groove coaxially.

6. The solenoid valve according to claim 5, characterized in that, The groove has a circular or annular cross-section.

7. The solenoid valve according to claim 5, characterized in that, A first groove (190) is coaxially provided at the first end (162) of the magnetic valve core (108). The first groove (190) has a circular cross-section. The portion (191) of the magnetic valve core (108) located between the outer peripheral surface of the magnetic valve core (108) and the inner peripheral surface of the first groove (190) is opposite to the circumferential wall (119) of the cylindrical portion (118).

8. The solenoid valve according to claim 1, characterized in that, The magnetic valve core (108) has a columnar shape and includes a first segment (166) and a second segment (168) adjacent to each other in its axial direction, wherein the second segment (168) is further away from the cylindrical portion (118) than the first segment (166), and wherein the outer diameter of the second segment (168) is larger than the outer diameter of the first segment (166).

9. The solenoid valve according to any one of claims 1 to 8, characterized in that, The solenoid valve (100) also includes a support frame (134), and the coil (102), the magnetic shell (106), and the magnetic valve core (108) are mounted to the support frame (134).

10. The solenoid valve according to claim 9, characterized in that, The support frame (134) includes a cylindrical body (138), wherein the coil (102) is wound on the cylindrical body (138), wherein the magnetic shell (106) is sleeved on the support frame (134) such that the cylindrical portion (118) is located in the cylindrical body (138), and wherein the magnetic valve core (108) is installed in the cylindrical body (138).

11. The solenoid valve according to claim 10, characterized in that, The cylindrical body (138) includes a partition wall (150) and a first cavity (152) and a second cavity (154) separated by the partition wall (150), wherein the cylindrical portion (118) and the magnetic valve core (108) are located in the first cavity (152) and the second cavity (154), respectively.

12. The solenoid valve according to claim 11, characterized in that, The solenoid valve (100) also includes a housing (120), the coil (102), the magnetic conductive assembly (104) and the support frame (134) are disposed in the housing (120), wherein the partition wall (150), the second cavity (154) of the cylindrical body (138) and the housing (120) together define a fluid chamber (136).

13. The solenoid valve according to claim 12, characterized in that, The solenoid valve (100) also includes a sealing ring (160) that seals the annular gap between the second cavity (154) of the cylindrical body (138) and the housing (120).

14. The solenoid valve according to claim 11, characterized in that, The solenoid valve (100) further includes an elastic member (170) disposed between the spacer wall (150) and the magnetic valve core (108) to bias the magnetic valve core (108) away from the cylindrical portion (118).

15. The solenoid valve according to claim 10, characterized in that, The support frame (134) includes a first flange (140) and a second flange (142) extending radially outward from the cylindrical body (138) and spaced apart from each other, and the coil (102) is constrained between the first flange (140) and the second flange (142).

16. The solenoid valve according to claim 15, characterized in that, The first flange (140) is adjacent to the end wall (110), and the second flange (142) is adjacent to the axial end of the cylindrical sidewall (112) away from the end wall (110), wherein the magnetic conduit assembly (104) further includes a permanent magnet (174) which is held on the second flange (142) and adjacent to the coil (102).

17. The solenoid valve according to claim 16, characterized in that, The second flange (142) includes a snap-fit ​​structure, through which the permanent magnet (174) is held on the second flange (142).

18. The solenoid valve according to claim 17, characterized in that, The permanent magnet (174) includes a plurality of permanent magnet portions (176) arranged around the cylindrical body (138), wherein the snap-fit ​​structure includes at least two snap-fit ​​ribs (178) defining first snap-fit ​​grooves (180) and at least two snap-fit ​​claws (182) defining second snap-fit ​​grooves (184), wherein the end of each of the permanent magnet portions (176) engages with the first snap-fit ​​groove (180) of the corresponding snap-fit ​​rib (178), and the middle portion of each of the permanent magnet portions (176) engages with the second snap-fit ​​groove (184) of the corresponding snap-fit ​​claw (182).

19. The solenoid valve according to claim 12, characterized in that, The housing (120) includes a fluid port (132A) capable of communicating with the fluid chamber (136), wherein a seal (172) is embedded in the end of the magnetic valve core (108) away from the cylindrical portion (118), and wherein the seal (172) blocks and disengages from the fluid port (132A) when the magnetic valve core (108) is in the closed position and the open position, respectively.

20. The solenoid valve according to claim 19, characterized in that, The magnetic valve core (108) includes a stepped hole (186), wherein the seal (172) is disposed in the stepped hole (186) and includes a limiting shoulder (188), wherein the limiting shoulder (188) is adapted to engage the stepped surface (187) of the stepped hole (186) to prevent the seal (172) from dislodging from the stepped hole (186).

21. The solenoid valve according to claim 12, characterized in that, The housing (120) includes a fluid port that can communicate with the fluid chamber (136), wherein the fluid port includes a quick-connect fitting or a structure that mates with a quick-connect fitting.

22. A mounting clip (200) for mounting a first component to a second component, characterized in that, The mounting clip (200) includes: A first retaining leg (202A) and a second retaining leg (202B) are disposed opposite to each other and adapted to engage with an opening (302) of the second component to prevent the mounting clip (200) from disengaging from the opening (302); At least one retaining wing (204), said at least one retaining wing (204) being adapted to be inserted in the insertion direction (I) and resiliently engage the receiving channel (194) of the first component; and At least one limiting portion is configured to restrict the movement of the mounting clip (200) relative to the first component in the insertion direction (I) and in the opposite direction to the insertion direction (I) when the at least one retaining wing (204) is inserted into the receiving channel (194).

23. The mounting clip according to claim 22, characterized in that, The mounting clip (200) includes a base wall (209), through which the first retaining leg (202A) and the second retaining leg (202B) are connected.

24. The mounting clip according to claim 22, characterized in that, The at least one limiting portion includes a first limiting portion (206), wherein the first limiting portion (206) is in the form of a tab and is adapted to abut against the end face of the receiving channel (194), and / or the first limiting portion (206) is disposed on the retaining leg (202).

25. The mounting clip according to claim 23, characterized in that, The at least one limiting portion includes a second limiting portion (208), wherein the second limiting portion (208) is in the form of an opening and is adapted to engage with the limiting protrusion (196) of the first component, and / or the second limiting portion (208) is disposed on the base wall (209).

26. The mounting clip according to claim 23, characterized in that, The at least one retaining wing (204) includes a first retaining wing and a second retaining wing, wherein the first retaining wing is disposed on the first retaining leg (202A) and adjacent to the base wall (209), and the second retaining wing is disposed on the second retaining leg (202B) and adjacent to the base wall (209).

27. The mounting clip according to claim 22, characterized in that, Each of the first retaining leg (202A) and the second retaining leg (202B) includes a first portion (212) and a second portion (214), wherein the first portion (212) includes a window (216), wherein the second portion (214) extends from the first portion (212) toward a first side (S1) of the first portion (212) and through the window (216) to a second side (S2) of the first portion (212) opposite to the first side (S1), and the second portion (214) is adapted to engage the edge of the opening (302).

28. The mounting clip according to claim 27, characterized in that, The free end (220) of the second portion (214) of each of the first retaining leg (202A) and the second retaining leg (202B) has a bent shape to prevent the second portion (214) from dislodging from the window (216).

29. The mounting clip according to claim 27, characterized in that, Each of the first retaining leg (202A) and the second retaining leg (202B) includes a reinforcing rib (218) arranged adjacent to the window (216).

30. The mounting clip according to claim 22, characterized in that, One of the first retaining leg (202A) and the second retaining leg (202B) includes a limiting tab (222), and the other includes a limiting groove (224), wherein the limiting tab (222) extends into the limiting groove (224) to prevent the first retaining leg (202A) and the second retaining leg (202B) from being misaligned with each other.

31. A solenoid valve assembly, characterized in that, The solenoid valve assembly (10) includes a solenoid valve (100) according to any one of claims 1 to 21 and a mounting clip (200) according to any one of claims 22 to 30, wherein the mounting clip (200) is used to mount the solenoid valve (100) to a support structure (300), and the solenoid valve includes a receiving channel (194).

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