Solenoid valves and solenoid valve assemblies

Abstract

The solenoid valve (100) and the solenoid valve assembly (200) include a valve body including at least a valve seat (1) mounted on a mounting base (5), a magnetic induction frame (2) fixed to the valve seat (1), and an electromagnetic drive assembly (3) mounted in the magnetic induction frame (2), and the magnetic induction frame (2) is provided with a positioning member (21), which is connected to the mounting base (5) and limits the rotation of the electromagnetic drive assembly (3) relative to the mounting base (5). By installing the positioning member (21) on the magnetic induction frame (2), the solenoid valve (100) realizes rapid positioning and fixing of the orientation of the magnetic induction frame (2) and the electromagnetic drive assembly (3), improves assembly efficiency, and avoids deviation in the orientation of the electromagnetic drive assembly (3) and thus shifting of the electromagnetic drive assembly relative to the mounting base (5).

Description

[Technical field]

[0001] Related Applications This application claims priority to a Chinese patent application filed on March 23, 2021, bearing application number 202120591592.4 and titled "Solenoid valve and solenoid valve assembly," the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the field of vehicle components, and in particular to solenoid valves and solenoid valve assemblies. [Background technology]

[0003] At present, in the field of vehicle parts, solenoid valves are generally used to open and close the flow passage of air conditioning systems. The solenoid valve and the corresponding parts of the air conditioning system need to be assembled together, but in the assembly process, there are usually problems such as the complex assembly of the solenoid valve and the difficulty in positioning the orientation of the solenoid driving assembly and the magnetic induction frame of the solenoid valve, which results in low assembly efficiency. Summary of the Invention

[0004] Based on this, there is a need to provide a solenoid valve and solenoid valve assembly to address the above technical challenges.

[0005] In order to achieve the above object, the technical aspects provided in this application are as follows. A solenoid valve mounted on a mounting base, a valve body including a valve seat attached to at least an attachment base; A magnetic induction frame fixed to the valve seat; an electromagnetic drive assembly attached to the magnetic induction frame; The magnetic induction frame is provided with a positioning member which connects to the mounting base to limit rotation of the electromagnetic drive assembly relative to the mounting base.

[0006] It can be understood that by installing the positioning member on the magnetic induction frame, the orientation of the magnetic induction frame and the electromagnetic driving assembly can be quickly positioned during the assembly process, and the electromagnetic driving assembly can be quickly fixed, improving the assembly efficiency, ensuring the stability of the solenoid valve during use, and avoiding deviation in the orientation of the electromagnetic driving assembly and even shifting of the electromagnetic driving assembly relative to the mounting base.

[0007] In one embodiment, the positioning members are pins that extend toward a mounting base on the magnetic induction frame.

[0008] In one embodiment, the pin is L-shaped.

[0009] In one embodiment, one end of the pin away from the magnetic induction frame is bent to form a bent portion, and a first through hole is drilled in the bent portion; The solenoid valve further includes a connection member that is inserted into the first through hole and connected to the mounting base.

[0010] It can be understood that by setting the bending portion and the first through hole, when the connecting member is inserted into the first through hole and connected to the mounting base, the orientation positioning of the magnetic induction frame and the electromagnetic assembly can be realized, and the assembly is easy and quick.

[0011] In one embodiment, the bend abuts the mounting base.

[0012] It can be seen that when assembling and installing the magnetic induction frame, the bent portion of the installed pin can just abut against the mounting base, and the two are engaged with each other, reducing the difficulty of assembly, and when the bent portion abuts against the mounting base, the mounting base plays a certain supporting role for the magnetic induction frame, making the assembly more stable.

[0013] In one embodiment, the valve seat includes a clamp portion, the clamp portion is disposed adjacent to the magnetic induction frame, and a portion of the clamp portion is disposed protruding from the mounting base along the axial direction of the valve seat, and the positioning member is provided at one end of the magnetic induction frame adjacent to the valve seat, and a height of the portion of the clamp portion protruding from the mounting base along the axial direction of the valve seat is equal to the height of the positioning member.

[0014] A part of the clamp part is installed so as to protrude from the mounting base, making it easy to apply force to the protruding part and facilitating installation; furthermore, the height of the part of the clamp part protruding from the mounting base is equal to the height of the positioning member, and after assembly is completed, the positioning member is in contact with and connected to the mounting base, so that the height of the solenoid valve and the mounting base after assembly is reduced, and the space it occupies is reduced.

[0015] In one embodiment, the positioning member and the magnetic induction frame are of unitary construction.

[0016] It is understood that the positioning member and the magnetic induction frame are of an integral structure, which reduces the assembly steps and makes the connection between the positioning member and the magnetic induction frame more stable.

[0017] In one embodiment, the solenoid valve further includes a sealing assembly having a valve port within a valve seat, the sealing assembly being disposed within the valve seat and operable to open and close the valve port in cooperation with the electromagnetic actuator assembly.

[0018] The present application further provides a solenoid valve assembly including a mounting base and any one of the above solenoid valves mounted at least partially within the mounting base.

[0019] In one embodiment, the mounting base has a mounting portion corresponding to the positioning member, and the positioning member is engaged with the mounting portion to limit the rotation of the magnetic induction frame.

[0020] It can be understood that when installing and assembling the mounting portion on the mounting base, the positioning member is engaged with the mounting portion to realize a quick connection, simplify the assembly process, and improve the assembly efficiency.

[0021] Compared with the prior art, the solenoid valve installs a positioning member on the magnetic induction frame, thereby quickly positioning the orientation of the magnetic induction frame and the electromagnetic driving assembly during the assembly process, and quickly fixing the electromagnetic driving assembly, improving the assembly efficiency, ensuring the stability of the solenoid valve during use, and avoiding misalignment of the electromagnetic driving assembly and even shifting of the electromagnetic driving assembly relative to the mounting base. [Brief description of the drawings]

[0022] [Figure 1] FIG. 2 is a schematic diagram of an assembly of a solenoid valve and an installation base in an embodiment of the present application. [Diagram 2] FIG. 2 is a vertical cross-sectional view of FIG. [Diagram 3] FIG. 2 is a cross-sectional view of a solenoid valve in the present application. [Figure 4] FIG. 2 is a schematic diagram of a valve seat in the present application. [Diagram 5] FIG. 2 is a schematic diagram of a magnetic induction frame in one embodiment of the present application. [Figure 6] FIG. 2 is a schematic diagram of a magnetic induction frame in one embodiment of the present application. [Figure 7] FIG. 2 is a schematic diagram of a solenoid valve assembly in one embodiment of the present application.

[0023] 100 solenoid valve, 1 valve seat, 11 first cavity, 12 clamp portion, 121 clamp plane, 13 connection portion, 131 first screw portion, 14 inlet passage, 15 outlet passage, 16 valve port, 2 magnetic induction frame, 21 positioning member, 22 bending portion, 23 first through hole, 24 connection member, 3 electromagnetic drive assembly, 31 sleeve, 32 electromagnetic coil, 33 stator, 34 movable member, 341 third cavity, 35 spindle, 36 first elastic member, 37 spindle elastic member, 4 valve cover, 5 mounting base, 52 mounting portion, 6 sealing assembly, 61 sealing body, 62 second elastic member, 63 pilot valve port, 200 solenoid valve assembly. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0024] Hereinafter, the technical aspects of the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, but it is clear that the described embodiments are only some of the embodiments of the present application, and are not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts belong to the protection scope of the present application.

[0025] It should be explained that when an assembly is referred to as being "mounted" to another assembly, it may be mounted directly to the other assembly or there may be intervening assemblies present. When an assembly is referred to as being "mounted" to another assembly, it may be mounted directly to the other assembly or there may be intervening assemblies present at the same time. When an assembly is referred to as being "secured" to another assembly, it may be secured directly to the other assembly or there may be intervening assemblies present at the same time.

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

[0027] As shown in FIG. 1, this embodiment provides a solenoid valve 100 that is mounted on a mounting base 5 and is used to open and close a medium in a pipeline or to control the magnitude of the flow rate of the medium.

[0028] Specifically, the solenoid valve 100 includes a valve body including at least a valve seat 1, a magnetic induction frame 2 fixed to the valve seat 1, and an electromagnetic drive assembly 3 attached to the magnetic induction frame 2, where the magnetic induction frame 2 is provided with a positioning member 21, which is connected to the mounting base 5 after the solenoid valve 100 is attached to the mounting base 5 to limit the movement of the electromagnetic drive assembly 3 relative to the mounting base 5. This quickly realizes the fixing of the electromagnetic drive assembly 3 and improves the overall assembly efficiency, while avoiding the misalignment of the electromagnetic drive assembly 3 during use and thus the shift of the electromagnetic drive assembly 3 relative to the mounting base 5, and ensuring the stability of the solenoid valve 100 during use.

[0029] 1 and 5, in one embodiment, the positioning member 21 is a pin extending toward the mounting base 5 on the magnetic induction frame 2, and during installation, the positioning member 21 determines the installation orientation of the electromagnetic driving assembly 3 and the magnetic induction frame 2 according to specific installation requirements, and limits the position of the pin to the mounting base 5, quickly realizing the positioning and fixing of the orientation of the electromagnetic driving assembly 3 and the magnetic induction frame 2, and avoiding the rotation or deviation of the electromagnetic driving assembly 3 and the magnetic induction frame 2 relative to the mounting base 5. Of course, in this embodiment, the specific structure of the positioning member 21 is not limited to the above, and may be, for example, a protrusion structure installed on the magnetic induction frame 2 or a buckle structure that can be engaged and connected to the mounting base 5.

[0030] 1 and 5, in one embodiment, the pin is L-shaped, one end of the L-shaped pin can be connected to the magnetic induction frame 2, and the other end can be connected to the mounting base 5, so as to realize the orientation positioning of the magnetic induction frame 2. Of course, in other embodiments, the specific structural form of the pin is not limited to the L-shape, and may be other shapes, such as a C-shape, etc.

[0031] 6 and 7, in one embodiment, one end of the pin remote from the magnetic induction frame 2 is bent to form a bent portion 22, and a first through hole 23 is drilled in the bent portion 22, and the solenoid valve 100 further includes a connecting member 24, which is inserted into the first through hole 23 and connected to the mounting base 5. Here, the connecting member 24 may be a bolt or a dowel, etc.

[0032] Optionally, the bent portion 22 is abutted against the mounting base 5. When assembling the magnetic induction frame 2, the bent portion 22 of the installed pin can be abutted against the mounting base 5 just, and the two are engaged with each other, which reduces the difficulty of assembly, and the bent portion 22 is abutted against the mounting base 5, so that the mounting base 5 can play a certain supporting role on the magnetic induction frame 2, and the assembly is more stable. Of course, in other embodiments, there may be a gap between the bent portion 22 and the mounting base 5.

[0033] 1 to 4, in one embodiment, the valve seat 1 includes a clamping part 12, the clamping part 12 is installed adjacent to the magnetic induction frame 2, and a part of the clamping part 12 is installed protruding from the mounting base 5 along the axial direction of the valve seat 1, and the positioning member 21 is provided at one end of the magnetic induction frame 2 adjacent to the valve seat 1, and the height of the part of the clamping part 12 protruding from the mounting base 5 along the axial direction of the valve seat 1 is equal to the height of the positioning member 21. After the assembly is completed, the positioning member 21 is just in contact with the mounting base 5 and connected, and the valve seat 1 and the magnetic induction frame 2 are also abutted against each other, so that the height of the solenoid valve 100 and the mounting base 5 after assembly is low, the occupied space is small, and the heights between multiple members are matched with each other, making the assembly of the solenoid valve 100 and the mounting base 5 faster and more beautiful. Of course, in other embodiments, the height of the clamping portion 12 and the height of the positioning member 21 are not limited, and the heights of the two do not have to be equal.

[0034] Optionally, the clamping portion 12 is provided with at least two clamping planes 121, and the external mounting tool is 121 4, thereby realizing fastening between the valve seat 1 and the mounting base 5 and improving mounting efficiency.

[0035] 4, the clamping portion 12 of the valve seat 1 is provided with a plurality of clamping planes 121, for example, six clamping planes 121, which are evenly arranged around the valve seat 1 in the circumferential direction. Of course, in other embodiments, the number of clamping planes 121 is not limited.

[0036] In one embodiment, the positioning member 21 and the magnetic induction frame 2 are selectively formed as an integral structure, so that the assembly process between the positioning member 21 and the magnetic induction frame 2 can be reduced, and the integral structure can make the connection between the positioning member 21 and the magnetic induction frame 2 more stable. Of course, in other embodiments, the positioning member 21 and the magnetic induction frame 2 can be formed as separate structures.

[0037] With reference to FIGS. 1 and 7, the present application further provides a solenoid valve assembly 200 including a mounting base 5 and any one of the above-mentioned solenoid valves mounted on the mounting base 5.

[0038] In one embodiment, the mounting base 5 has a mounting portion 52 corresponding to the positioning member 21, and the positioning member 21 is engaged with the mounting portion 52 to restrict the rotation of the magnetic induction frame 2. Specifically, for example, referring to FIG. 1 and FIG. 5, the mounting portion 52 is a groove installed on the mounting base 5, and a pin is inserted into the corresponding groove during assembly to quickly complete the positioning of the orientation of the magnetic induction frame 2; of course, in other embodiments, the number of grooves is not limited, but for example, multiple grooves are installed, and the pin is inserted into the corresponding groove according to the required orientation of the magnetic induction frame 2; and for example, referring to FIG. 1, the mounting portion 52 may be a through hole drilled in the mounting base 5, and one end of the connecting member 24 is inserted into the first through hole 23 of the bending portion 22 and inserted into the through hole to realize the position restriction of the orientation of the magnetic induction frame 2. Here, the connecting member 24 may be a bolt or a dowel, etc. Optionally, the connecting member 24 has one end adjacent to the bent portion 22 abutted against the bent portion 22 to realize an axial position limit for the bent portion 22 and prevent the positioning member 21 from moving away from the mounting base 5 along the axial direction of the valve seat 1 and coming off the mounting base 5.

[0039] In one embodiment, the clamping portion 12 and the connecting portion 13 are provided in sequence from top to bottom along the axial direction of the valve seat 1, a first threaded portion 131 is provided on the outer wall of the connecting portion 13, and a second threaded portion is provided in the corresponding mounting base 5, and the first threaded portion 131 is Department , thereby realizing quick assembly of the valve seat 1 and the mounting base 5.

[0040] 2 and 3, in one embodiment, the valve body further includes a valve cover 4, a first cavity 11 is drilled in the valve seat 1, the outer wall of the valve cover 4 and the inner wall of the first cavity 11 are sealed and connected, and the valve cover 4 and the valve seat 1 do not slide relative to each other. The magnetic induction frame 2 is attached to the valve seat 1 and the valve cover 4, and the lower end surface of the magnetic induction frame 2 abuts against the valve seat 1 and the valve cover 4.

[0041] An inlet passage 14 and an outlet passage 15 which are connected to a valve orifice 16 and the first cavity 11 are drilled within the valve seat 1, and by controlling the opening and closing of the valve orifice 16, the connection or closing of the inlet passage 14 and the outlet passage 15 can be controlled.

[0042] In one embodiment, the solenoid valve further includes a sealing assembly 6 and has a valve port 16 in the valve seat 1 , the sealing assembly 6 is disposed in the valve seat 1 and can open and close the valve port 16 in cooperation with the electromagnetic drive assembly 3 .

[0043] In one embodiment, a second cavity for accommodating the sealing assembly 6 is drilled at one end of the valve cover 4 remote from the magnetic induction frame 2, and one end of the sealing assembly 6 adjacent to the magnetic induction frame 2 is sealingly and slidingly contacted with the cavity wall of the second cavity.

[0044] In one embodiment, the sealing assembly 6 includes a sealing body 61 and a second elastic member 62, one end of the sealing body 61 is accommodated in the second cavity and the other end is used for closing the valve port 16. The second elastic member 62 has one end abutted against one end of the sealing body 61 close to the magnetic induction frame 2 and the other end abutted against one end of the magnetic induction frame 2 away from the first cavity 11. The second elastic member 62 is for moving the elastic return-driven sealing body 61 toward the magnetic induction frame 2 to open the valve port 16 by opening the valve.

[0045] In one embodiment, the electromagnetic drive assembly 3 includes an electromagnetic unit and a spindle 35 unit, and when the electromagnetic unit is energized, the drive spindle 35 moves against the seal body 61 to open the valve. When the power is turned off, the seal body 61 moves toward the valve port 16 until it comes into close contact with the valve port 16 and closes the valve port 16.

[0046] Specifically, the sealing body 61 has a pilot valve port 63 disposed adjacent to one end of the spindle 35, and the spindle 35 opens and closes the pilot valve port 63 by driving the electromagnetic unit. When the pilot valve port 63 is opened and reduced pressure is applied, the pressure on the side of the sealing assembly 6 adjacent to the spindle 35 is smaller than the pressure on the side of the sealing assembly 6 adjacent to the valve port 16, and when the pressure difference is sufficient, the sealing assembly 6 moves away from the valve port 16, thereby opening the valve port 16. In one embodiment, the electromagnetic unit includes an electromagnetic coil 32, a stator 33 fixed relative to the electromagnetic coil 32, and a mover 34 movable in the axial direction along the valve seat 1, and the electromagnetic coil 32 is fitted to the outside of the stator 33 and the mover 34. A first elastic member 36 is further installed between the stator 33 and the mover 34, a third cavity 341 is drilled in the mover 34 so as to penetrate along the axial direction, the first elastic member 36 is installed at least partially movably in the third cavity 341, and the first elastic member 36 elastically recovers to drive the unit of the spindle 35 to move toward the sealing body 61, and pushes the sealing body 61 to move toward the valve port 16 to close the valve port 16. Here, the electromagnetic coil 32 is fixed in the magnetic guide frame 2.

[0047] In one embodiment, the electromagnetic drive assembly 3 further includes a sleeve 31, one end of which close to the valve seat 1 extends outside the magnetic induction frame 2 and is fixedly connected to the valve cover 4, a stator 33 is fixed to one end of the sleeve 31 away from the valve seat 1, a mover 34 is movably installed within the sleeve 31, and the electromagnetic coil 32 is fitted outside the sleeve 31.

[0048] The spindle 35 unit includes a spindle 35 and an elastic member of the spindle 35, and the spindle 35 is movably installed within the third cavity 341, and one end of the elastic member of the spindle 35 is abutted against one end adjacent to the stator 33 of the spindle 35, and the other end is abutted against one end adjacent to the valve seat 1 of the third cavity 341.

[0049] The process of opening the solenoid valve 100 in this application is as follows: When the electromagnetic coil 32 is energized, the movable element 34 moves toward the stator 33, and the movable element 34 overcomes the elasticity of the first elastic member 36 and moves upward until the movable element 34 contacts the spindle 35 and moves the spindle 35 against the valve seat 1 in conjunction with the spindle 35, at this time the movable element 34 cannot move upward without overcoming the force of the first elastic member 36, at this time the gap between the movable element 34 and the stator 33 is already small, so the suction force is much larger than in the initial stage of suction, and the movable element 34 has a relatively large kinetic energy at this time, so the valve is easily opened and the valve opening ability is much better than that of the conventional structure. Finally, the movable member 34 and the stator 33 are completely attracted to each other, and the spindle 35 continues to move upward to its upper limit position under the action of the elastic member of the spindle 35, the port 63 of the pilot valve is decompressed, the pressure at the upper end of the sealing body 61 is smaller than the pressure at the lower end, the sealing body 61 moves upward until it is in close contact with the valve cover 4, and the valve port 16 is fully open.

[0050] When the valve is to be closed, the power supply to the electromagnetic coil 32 is turned off and the movable element 34 is no longer subjected to the magnetic attraction force of the stator 33. Under the action of the elastic member of the spindle 35, the movable element 34 moves downward together with the spindle 35, thereby closing the valve port 16.

[0051] The features of each technique in the above-described embodiments may be combined in any manner. For the sake of brevity, not all possible combinations of the features of each technique in the above-described embodiments have been described. However, as long as there is no contradiction in the combinations of the features of these techniques, they should all be considered within the scope of the present specification.

[0052] The above examples merely show some embodiments of the present application, and although the description is relatively specific and detailed, it should not be understood as limiting the scope of the utility model patent. However, those skilled in the art can make some modifications and improvements without departing from the concept of the present application, and all of these fall within the scope of protection of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the scope of the attached claims.

Claims

1. A solenoid valve mounted on a mounting base, a valve body including a valve seat attached to at least the mounting base; A magnetic induction frame fixed to the valve seat; an electromagnetic drive assembly attached to the magnetic induction frame; a positioning member is provided on the magnetic induction frame, the positioning member being connected to the mounting base to limit rotation of the electromagnetic drive assembly relative to the mounting base; An electromagnetic valve, wherein the valve seat includes a clamp portion, the clamp portion is disposed adjacent to the magnetic induction frame, and a portion of the clamp portion is disposed protruding from the mounting base along the axial direction of the valve seat.

2. 2. The solenoid valve of claim 1, wherein the positioning member is a pin that extends on the magnetic induction frame toward the mounting base.

3. 3. The solenoid valve of claim 2, wherein the pin is L-shaped.

4. One end of the pin away from the magnetic induction frame is bent to form a bent portion, and a first through hole is drilled in the bent portion; The solenoid valve according to claim 2 , further comprising a connection member that is inserted into the first through hole and connected to a mounting base.

5. The solenoid valve according to claim 4 , wherein the bent portion abuts against the mounting base.

6. An solenoid valve as described in claim 1 or 5, wherein the positioning member is provided at one end of the magnetic induction frame close to the valve seat, and the height of the portion of the clamping portion protruding from the mounting base along the axial direction of the valve seat is equal to the height of the positioning member.

7. 2. The solenoid valve according to claim 1, wherein the positioning member and the magnetic induction frame are of an integral structure.

8. 2. The solenoid valve according to claim 1, further comprising a sealing assembly having a valve port in the valve seat, the sealing assembly being disposed in the valve seat and operable to open and close the valve port in cooperation with the electromagnetic drive assembly.

9. A solenoid valve assembly comprising a mounting base and a solenoid valve according to any one of claims 1 to 8 mounted at least partially within the mounting base.

10. 10. The solenoid valve assembly according to claim 9, wherein the mounting base has a mounting portion corresponding to the positioning member, and the positioning member is engaged with the mounting portion to limit rotation of the magnetic induction frame.

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