Electromagnetic valve device and assembling method thereof

Abstract

The invention discloses an electromagnetic valve device and an assembling method thereof.The electromagnetic valve device comprises a sleeve component, the sleeve component comprises a sleeve, the sleeve comprises a tubular body and a limiting part, the limiting part and the tubular body are fixedly connected or are of an integrated structure, the limiting part is provided with a limiting plate, and a damping hole is formed in the limiting plate; the static iron core is fixedly assembled on the tubular body and is arranged opposite to the limiting part; the movable iron core comprises a thick neck part and a thin neck part which are connected, the thick neck part is located in the tubular body, the movable iron core can move between the limiting part and the static iron core, and part of the thin neck part is located in the damping hole. According to the scheme, the starting noise of the electromagnetic valve device can be reduced, so that the use experience of a user can be improved, the assembling difficulty can be reduced to a certain degree, and the assembling efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of solenoid valve technology, specifically to a solenoid valve device and its assembly method, and more particularly to an AC solenoid valve. Background Technology

[0002] AC solenoid valves are a common type of solenoid valve, primarily used in relatively large equipment or systems. Due to the unique characteristics of the AC environment, it is difficult to incorporate a noise-absorbing structure between the moving and stationary iron cores. When the solenoid valve is activated, the moving iron core directly impacts the stationary iron core, resulting in relatively high starting noise and negatively affecting the user experience.

[0003] Therefore, how to provide a solution to overcome or alleviate the above-mentioned defects remains a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] The purpose of this invention is to provide a solenoid valve device and its assembly method, which can reduce the starting noise of the solenoid valve device, thereby improving the user experience, and can also reduce the assembly difficulty to a certain extent, thereby improving the assembly efficiency.

[0005] To solve the above-mentioned technical problems, the present invention provides a solenoid valve device, including a sleeve component. The sleeve component includes: a sleeve, comprising a tubular body and a limiting part, wherein the limiting part and the tubular body are fixedly connected or are integrally formed, the limiting part having a limiting plate, the limiting plate forming a damping hole; a stationary iron core, fixedly assembled to the tubular body and disposed opposite to the limiting part; and a moving iron core, including a connected thick neck and a thin neck, wherein the thick neck is located within the tubular body, and the moving iron core is capable of displacement between the limiting part and the stationary iron core, and part of the thin neck is located within the damping hole.

[0006] In the above scheme, the moving iron core is directly installed inside the sleeve to form a sleeve component with the stationary iron core, rather than being assembled at the end. This simplifies the assembly of the moving iron core and the sleeve, improving the assembly efficiency of the solenoid valve device provided by this invention. Furthermore, when the solenoid valve device is started, the gas between the moving and stationary iron cores first flows through the radial gap between the thick neck and the tubular body to the space between the thick neck and the limiting part, and then exits through the radial gap between the thin neck and the limiting plate. In this process, the radial gap between the thick neck and the tubular body acts as a primary buffer, and the radial gap between the thin neck and the limiting plate acts as a secondary buffer. This forces the moving iron core to overcome greater damping force as it moves towards the stationary iron core, reducing its displacement speed and thus decreasing the collision force between the moving and stationary iron cores, thereby achieving the technical objective of reducing starting noise.

[0007] It should be noted that although the improvements in the solenoid valve device involved in this invention are based on the defects of AC solenoid valve devices, its application environment is obviously not limited to AC solenoid valves. In fact, it can also be used as a DC solenoid valve device.

[0008] Optionally, the limiting part further includes an annular peripheral plate, which is located on one axial side of the limiting plate, and the peripheral plate is fixedly connected to the tubular body.

[0009] Optionally, the radial gap between the narrow neck and the limiting plate is between 0.15 mm and 0.3 mm.

[0010] Optionally, it also includes an electromagnetic component, a sealing block, and an elastic component. The sleeve component is mounted on the electromagnetic component, the portion of the narrow neck extending out of the sleeve is connected to the sealing block, one end of the elastic component is fixedly disposed, and the other end of the elastic component abuts against the sealing block.

[0011] Optionally, the electromagnetic component includes a magnetically conductive frame and a cover plate. The magnetically conductive frame includes a first frame plate portion and a second frame plate portion disposed opposite to each other along the axial direction of the sleeve. The cover plate is located on the side of the second frame plate portion away from the first frame plate portion and is installed on the second frame plate portion. The sleeve passes through the second frame plate portion and the cover plate. A first sealing member is provided on the outer side of the sleeve, and the first sealing member is press-fitted between the cover plate and the second frame plate portion.

[0012] Optionally, one of the second frame plate and the cover plate is provided with a first alignment portion and the other is provided with a first alignment mating portion, wherein the first alignment portion can be inserted into the first alignment mating portion; the cover plate is provided with a first fixing hole and the second frame plate is provided with a second fixing hole, wherein when the first alignment portion is inserted into the first alignment mating portion, the first fixing hole and the second fixing hole can be aligned.

[0013] Optionally, it also includes a valve body, wherein one of the valve body and the electromagnetic component is provided with a second alignment portion and the other is provided with a second alignment mating portion, wherein the second alignment portion can be inserted into the second alignment mating portion.

[0014] The present invention also provides an assembly method for a solenoid valve device, applicable to the above-mentioned solenoid valve device. The assembly method includes: assembling the sleeve component; assembling the electromagnetic component; installing the sleeve component onto the electromagnetic component; installing the sealing block and the elastic component on the sleeve component, wherein the sleeve component, the electromagnetic component, the sealing block, and the elastic component are combined to form an electromagnetic assembly; and installing the electromagnetic assembly onto the valve body.

[0015] Optionally, the electromagnetic component includes a magnetically conductive frame and a cover plate. The magnetically conductive frame includes a first frame plate portion and a second frame plate portion disposed opposite to each other along the axial direction of the sleeve. The cover plate is located on the side of the second frame plate portion away from the first frame plate portion. One of the second frame plate portion and the cover plate is provided with a first alignment portion, and the other is provided with a first alignment mating portion. The cover plate is provided with a first fixing hole, and the second frame plate portion is provided with a second fixing hole. Assembling the electromagnetic component includes at least: controlling the first alignment portion to be inserted into the first alignment mating portion; controlling the first fixing hole and the second fixing hole to be aligned; and using a connector to pass through the first fixing hole and the second fixing hole to connect the cover plate and the second frame plate portion.

[0016] Optionally, one of the valve body and the electromagnetic component is provided with a second alignment portion, and the other is provided with a second alignment mating portion; the installation of the electromagnetic component on the valve body includes at least: controlling the second alignment portion to be inserted into the second alignment mating portion. Attached Figure Description

[0017] Figure 1 This is a schematic diagram illustrating the assembly process of a typical AC solenoid valve device in related technologies;

[0018] Figure 2 for Figure 1 A schematic diagram of the AC solenoid valve device after assembly.

[0019] Figure 3 A structural diagram illustrating one implementation of a bushing;

[0020] Figure 4 for Figure 3 Cross-sectional view of the inner sleeve;

[0021] Figure 5 A schematic diagram of another implementation of the sleeve;

[0022] Figure 6 for Figure 3 Connection structure diagram of the intermediate bushing and the moving iron core;

[0023] Figure 7 for Figure 6 Connection structure diagram of the intermediate sleeve, moving iron core and stationary iron core;

[0024] Figure 8 This is a schematic diagram of the magnetic guide frame, cover plate, and first seal before connection.

[0025] Figure 9 This is a schematic diagram of the electromagnetic component.

[0026] Figure 10 This is a connection structure diagram of the electromagnetic component and the bushing component;

[0027] Figure 11 This is a connection structure diagram of the electromagnetic components, sleeve components, sealing blocks, and elastic components;

[0028] Figure 12 This is a schematic diagram of the electromagnetic assembly and valve body before connection.

[0029] Figure 13 This is a schematic diagram of the connection between the electromagnetic component and the valve body.

[0030] Figure 14 This is a schematic diagram of the electromagnetic components and valve body after connection.

[0031] Figure 15 This is a schematic flowchart illustrating the assembly method of the solenoid valve device provided by the present invention.

[0032] Figure 1 and Figure 2 The annotations in the accompanying drawings are explained as follows:

[0033] 01 Valve body, 011 Receiving groove;

[0034] 02 Electromagnetic component, 021 Magnetic guide frame, 021a First frame plate, 021b Second frame plate, 021b-1 Second through hole, 022 Coil element, 023 Cover plate, 023a First through hole;

[0035] 03 casing;

[0036] 04 Static Iron Core;

[0037] 05 Moving iron core;

[0038] 06. Return spring;

[0039] 07 Sealing Block;

[0040] 08 screw.

[0041] Figures 3-14 The annotations in the accompanying drawings are explained as follows:

[0042] 1. Sleeve assembly, 11. Sleeve, 111. Tubular body, 112. Limiting part, 112a. Limiting plate, 112a-1. Damping hole, 112b. Peripheral plate, 12. Stationary iron core, 13. Moving iron core, 131. Coarse neck, 132. Fine neck.

[0043] 2 Electromagnetic components, 21 Magnetic guide frame, 211 First frame plate, 212 Second frame plate, 212a Second through hole, 212b First alignment part, 212c First fixing hole, 22 Cover plate, 221 First through hole, 222 First alignment part, 223 Second fixing hole, 224 Second alignment part, 23 First sealing element, 24 Coil element;

[0044] 3 sealing blocks;

[0045] 4. Elastic components;

[0046] 5 Valve body, 51 Second alignment part, 52 Receiving groove, 53 Second seal;

[0047] 6 screws. Detailed Implementation

[0048] To enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0049] In embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0050] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, "linking" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0051] In the description of embodiments of the present invention, the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0052] In this embodiment of the invention, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0053] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram illustrating the assembly process of a typical AC solenoid valve device in related technologies. Figure 2 for Figure 1 A schematic diagram of the AC solenoid valve device after assembly.

[0054] like Figure 1 and Figure 2 As shown, in related technologies, a typical AC solenoid valve device includes a valve body 01, an electromagnetic component 02, a sleeve 03, a stationary iron core 04, a moving iron core 05, a return spring 06, a sealing block 07, and a screw 08.

[0055] The valve body 01 is provided with a receiving groove 011; the electromagnetic component 02 includes a magnetic frame 021, a coil element 022 and a cover plate 023. The coil element 022 is installed in the magnetic frame 021. The magnetic frame 021 includes a first frame plate portion 021a and a second frame plate portion 021b arranged opposite to each other. The cover plate 023 is located on the side of the second frame plate portion 021b away from the first frame plate portion 021a and fits against the second frame plate portion 021b. The cover plate 023 is provided with a first through hole 023a and the second frame plate portion 021b is provided with a second through hole 021b-1. The first through hole 023a and the second through hole 021b-1 can be aligned; the sleeve 03 is a continuous tube.

[0056] During installation, the stationary iron core 04 can be installed at one end of the sleeve 03 along its axial direction to cooperate with the sleeve 03 to form a sleeve component; the magnetic guide frame 021, coil element 022, and cover plate 023 can be assembled to form an electromagnetic component 02, and the sleeve component can be installed on the electromagnetic component 02 with the help of screws 08; the moving iron core 05, return spring 06, and sealing block 07 can be assembled to form a moving iron core component. In some implementations, this moving iron core component is also called a valve core component, which can be partially placed in the receiving groove 011; then, the operator visually observes and controls the insertion of the moving iron core 05 into the sleeve 03, and then connects the valve body 01 and the electromagnetic component 02 to complete the assembly of the above-mentioned AC solenoid valve device.

[0057] The AC solenoid valve device with the above structure has two main drawbacks: 1) Due to the special nature of the AC power environment, it is not easy to set a noise reduction structure between the moving iron core 05 and the stationary iron core 04. When the AC solenoid valve device is started, the moving iron core 05 will directly collide with the stationary iron core 04, which will generate relatively high starting noise; 2) The assembly process mostly requires the operator's eyesight and touch to control, which requires a high level of assembly experience. For example, ensuring the alignment of the first through hole 023a and the second through hole 021b-1, as well as ensuring the alignment of the moving iron core 05 and the sleeve 03, etc. According to the test, the assembly speed of the AC solenoid valve device with the above structure is about 3 pieces / min, and the assembly efficiency is relatively low.

[0058] To address this, embodiments of the present invention provide a solenoid valve device, which can be found in the following documents: Figures 3-14 , Figure 3 This is a structural diagram of one implementation of a bushing. Figure 4 for Figure 3 A cross-sectional view of the casing. Figure 5 This is a schematic diagram of another implementation of the sleeve. Figure 6 for Figure 3 Connection structure diagram of the intermediate bushing and the moving iron core. Figure 7 for Figure 6 Connection structure diagram of the intermediate sleeve, moving iron core and stationary iron core. Figure 8 This is a structural diagram of the magnetic guide frame, cover plate, and first seal before connection. Figure 9 This is a schematic diagram of the electromagnetic component. Figure 10 This is a connection structure diagram of the electromagnetic component and the bushing component. Figure 11 This is a connection structure diagram of the electromagnetic components, sleeve components, sealing blocks, and elastic components. Figure 12 This is a structural diagram of the electromagnetic assembly and valve body before connection. Figure 13 This is a schematic diagram of the connection between the electromagnetic component and the valve body. Figure 14 This is a schematic diagram of the structure of the electromagnetic components and valve body after connection.

[0059] like Figures 3-14 As shown, the present invention provides a solenoid valve device, which can be an AC solenoid valve device or a DC solenoid valve device, including a sleeve component 1, an electromagnetic component 2, a sealing block 3, an elastic component 4, a valve body 5, and a screw 6.

[0060] In this embodiment of the invention, the sleeve component 1 includes a sleeve 11, a stationary iron core 12, and a moving iron core 13. The sleeve 11 includes a tubular body 111 and a limiting portion 112. The limiting portion 112 includes a limiting plate 112a, which can be located at one axial end of the tubular body 111. The limiting plate 112a is annular and has a damping hole 112a-1.

[0061] In some implementations, such as Figure 3 and Figure 4 As shown, the limiting part 112 and the tubular body 111 can be integrally formed, such as by integral stretching, which simplifies the forming of the sleeve 11. In this implementation, the entire limiting part 112 is a limiting plate 112a.

[0062] In other implementations, the limiting part 112 and the tubular body 111 can be manufactured separately and then assembled to securely connect them. This allows for easy control of the machining shapes of the limiting part 112 and the tubular body 111, and facilitates easy adjustment of the mounting position of the limiting part 112 relative to the tubular body 111. Furthermore, in practical applications, the materials of the limiting part 112 and the tubular body 111 can be adjusted as needed; that is, the materials of the limiting part 112 and the tubular body 111 can be different.

[0063] like Figure 5 As shown, in a specific example, the limiting part 112 may include a limiting plate 112a and a peripheral plate 112b, where the peripheral plate 112b can be equivalent to the flange of the limiting plate 112a. The limiting part 112 may be connected to the tubular body 111 via the peripheral plate 112b. Specific connection methods include, but are not limited to, welding, interference fit, threaded connection, riveting, etc., as long as the reliability requirements of the connection can be guaranteed.

[0064] The stationary iron core 12 is fixedly assembled to the tubular body 111 and can be positioned opposite to the limiting part 112; for example Figure 7 As shown, the stationary iron core 12 and the limiting part 112 can be located at the two axial ends of the tubular body 111, respectively. The moving iron core 13 can include a thick neck 131 and a thin neck 132 connected together. The thick neck 131 is located inside the tubular body 111, and the moving iron core 13 can be displaced between the limiting part 112 and the stationary iron core 12. The thin neck 132 is inserted into the damping hole 112a-1, so that part of the thin neck 132 can be located in the damping hole 112a-1 and can extend out of the sleeve 11 through the damping hole 112a-1.

[0065] Combination Figure 6 and Figure 7 In specific assembly, the moving iron core 13 can be installed inside the sleeve 11 first, and then the stationary iron core 12 can be installed. In this way, under the action of the stationary iron core 12 and the limiting part 112, the moving iron core 13 can be limited and assembled inside the sleeve 11, and will not come out of the sleeve 11. Using this assembly method, the moving iron core 13 can be pre-installed in the sleeve 11, instead of being connected at the end as in related technologies, which simplifies the assembly of the moving iron core 13 and the sleeve 11 and helps to improve assembly efficiency.

[0066] Furthermore, when the aforementioned solenoid valve device is activated, the gas A between the moving iron core 13 and the stationary iron core 12 first flows through the radial gap between the thick neck 131 and the tubular body 111 to the space between the thick neck 131 and the limiting plate 112a, and then exits through the radial gap between the thin neck 132 and the limiting plate 112a. In this process, the radial gap between the thick neck 131 and the tubular body 111 acts as a primary buffer, and the radial gap between the thin neck 132 and the limiting plate 112a acts as a secondary buffer. This causes the moving iron core 13 to overcome a greater damping force as it moves towards the stationary iron core 12, thus reducing the displacement speed of the moving iron core 13 and consequently reducing the collision force between the moving iron core 13 and the stationary iron core 12, thereby achieving the technical objective of reducing starting noise.

[0067] Here, the embodiments of the present invention do not limit the specific size of the radial gap between the narrow neck 132 and the limiting plate 112a. In practical applications, those skilled in the art can determine it based on specific usage needs. In a specific example, the radial gap between the narrow neck 132 and the limiting plate 112a can be controlled between 0.15mm and 0.3mm. This reduces the difficulty of processing, ensuring the smooth movement of the narrow neck 132 relative to the limiting plate 112a, and also fully utilizes the flow-limiting and buffering function to reduce starting noise. Tests have shown that when the radial gap between the narrow neck 132 and the limiting plate 112a is within the above-mentioned size range, the starting noise of the solenoid valve device can be reduced by about 10 decibels, which can significantly improve user comfort and thus enhance the user experience.

[0068] The solenoid valve device provided by the present invention may further include an electromagnetic component 2, a sealing block 3, and an elastic component 4.

[0069] like Figure 8 As shown, the electromagnetic component 2 may include a magnetically conductive frame 21 and a cover plate 22. The magnetically conductive frame 21 may be a bent plate structure, including a first frame plate portion 211 and a second frame plate portion 212 disposed opposite to each other along the axial direction of the sleeve 11. The cover plate 22 may be located on the side of the second frame plate portion 212 opposite to the first frame plate portion 211, and the cover plate 22 may be installed on the second frame plate portion 212.

[0070] The cover plate 22 may be provided with a first through hole 221, and the second frame plate portion 212 may be provided with a second through hole 212a. After the cover plate 22 and the second frame plate portion 212 are installed, the first through hole 221 and the second through hole 212a can be aligned. The number of the first through hole 221 and the second through hole 212a is not limited, and in specific practice, those skilled in the art can determine it according to specific needs; Figure 8 In the implementation method, there can be two first through holes 221 and two second through holes 212a. After installation, the two first through holes 221 can be aligned with the two second through holes 212a respectively.

[0071] Furthermore, in the second frame plate portion 212 and the cover plate 22, one can be provided with a first alignment portion 222 and the other can be provided with a first alignment mating portion 212b. The first alignment portion 222 can be inserted into the first alignment mating portion 212b to realize the positioning between the cover plate 22 and the second frame plate portion 212, thereby facilitating the connection between the cover plate 22 and the second frame plate portion 212.

[0072] Here, the embodiments of the present invention do not limit the specific structural form of the first alignment part 222 and the first alignment mating part 212b. In practical applications, those skilled in the art can determine the specific form according to specific needs, as long as it can meet the requirements of use.

[0073] In a specific example, such as Figure 8 As shown, the first alignment portion 222 can be disposed on the cover plate 22, and the first alignment portion 222 can be in the form of a protrusion. The first alignment mating portion 212b can be disposed on the second frame plate portion 212, and the first alignment mating portion 212b can be in the form of a retaining ring. The retaining ring can have a retaining hole, and the protrusion can be inserted into the retaining hole to realize the insertion of the first alignment portion 222 and the first alignment mating portion 212b. In some other examples, the first alignment portion 222 and the first alignment mating portion 212b can also adopt a protrusion and groove mating structure.

[0074] exist Figure 8 In one implementation, there is one first alignment part 222 and one first alignment mating part 212b. In other implementations, there may be multiple first alignment parts 222 and multiple first alignment mating parts 212b. The specific number can be determined based on actual usage needs.

[0075] The cover plate 22 may be provided with a first fixing hole 212c, and the second frame plate portion 212 may be provided with a second fixing hole 223. When the first alignment portion 222 is inserted into the first alignment mating portion 212b, the first fixing hole 212c and the second fixing hole 223 can be aligned. This facilitates the installation of the connector, enabling a quick connection between the cover plate 22 and the second frame plate portion 212. The connector may specifically be a bolt, screw, rivet, etc. Taking a bolt as an example, the shank of the bolt can pass through the first fixing hole 212c and the second fixing hole 223 in sequence, and then engage with a nut to achieve a locking assembly between the cover plate 22 and the second frame plate portion 212.

[0076] It should be understood that the connection method between the cover plate 22 and the second frame plate 212 is not limited to the above description. Other connection methods can also be used to connect the two, such as welding or snap-fitting. However, regardless of the connection method used, the first alignment part 222 is inserted into the first alignment mating part 212b to achieve the initial positioning between the cover plate 22 and the second frame plate 212, which is beneficial for the fixed connection of the cover plate 22 and the second frame plate 212.

[0077] Combination Figure 9 The electromagnetic component 2 may also include a coil element 24, which may be disposed between the first frame plate portion 211 and the second frame plate portion 212. The specific structural form of the coil element 24 can be referred to in related technologies and is not limited here.

[0078] After the electromagnetic component 2 is assembled, the sleeve component 1 and the electromagnetic component 2 can be assembled. Specifically, the sleeve 11 can be controlled to insert the coil element 24 along the first through hole 221 and the second through hole 212a, and the stationary iron core 12 can be fixed to the first frame plate portion 211 (see reference) by screws 6. Figure 10 This is to achieve the connection between the sleeve component 1 and the electromagnetic component 2. It should be understood that the sleeve component 1 can also be connected to the electromagnetic component 2 using other connection methods, such as by means of rivets, which can also achieve the connection between the stationary iron core 12 and the first frame plate 211.

[0079] The portion of the narrow neck 132 extending out of the sleeve 11 can be connected to a sealing block 3. The sealing block 3 can be made of flexible materials such as rubber or silicone to reduce noise when closing the valve. In some implementations, the sealing block 3 and the moving iron core 13, after being connected, can also be referred to as a valve core component, etc., to realize valve opening and closing.

[0080] One end of the elastic member 4 can abut against the sealing block 3, and the other end of the elastic member 4 can abut against the electromagnetic member 2, or it can abut against the limiting part 112. The elastic member 4 is used to provide elastic support for the sealing block 3 to ensure the stability of the sealing block 3 when closing the valve; in addition, the elastic member 4 can also be used to generate driving force for the sealing block 3 and the moving iron core 13 to control the moving iron core 13 and the sealing block 3 to reset.

[0081] The elastic component 4 can be, for example, a spring. There are many types of springs available, making selection convenient and relatively easy to obtain. Springs also have strong elastic deformation and restoring capabilities, which can well meet the needs of use. When the spring abuts against the electromagnetic component 2, only a portion of the spring is fitted over the narrow neck 132. This implementation method can be found in [reference needed]. Figure 11 When the spring is abutting against the limiting part 112, the spring is basically entirely wrapped around the narrow neck 132.

[0082] In specific installation, the sleeve component 1 can be installed onto the electromagnetic component 2 first, and then the sealing block 3 and the elastic component 4 can be installed onto the sleeve component 1. In this way, when the sleeve component 1 is connected to the electromagnetic component 2, it will not be interfered with by the elastic component 4, which is conducive to the quick connection between the sleeve component 1 and the electromagnetic component 2. Alternatively, the sealing block 3 and the elastic component 4 can be installed onto the sleeve component 1 first, and then the sleeve component 1 can be installed onto the electromagnetic component 2. In this way, when the sealing block 3 is connected to the narrow neck 132, it will not be interfered with by the elastic component 4, which is also conducive to the quick connection between the sealing block 3 and the narrow neck 132.

[0083] like Figure 11As shown, the sleeve component 1, electromagnetic component 2, sealing block 3, and elastic component 4 can be connected to form an electromagnetic assembly.

[0084] The solenoid valve device provided by this invention may further include a valve body 5, and after the solenoid assembly is installed, it can also control the connection between the solenoid assembly and the valve body 5. For example... Figure 12 As shown, in this embodiment of the invention, one of the valve body 5 and the electromagnetic component 2 may be provided with a second alignment part 51, and the other may be provided with a second alignment mating part 224. The second alignment part 51 can be inserted into the second alignment mating part 224 to realize the positioning between the valve body 5 and the electromagnetic component, thereby facilitating the connection between the valve body 5 and the electromagnetic component.

[0085] Here, the embodiments of the present invention do not limit the specific structural form of the second alignment part 51 and the second alignment mating part 224. In practical applications, those skilled in the art can determine the specific structure according to specific needs, as long as it meets the requirements of use. In a specific example, such as Figure 12 As shown, the second alignment portion 51 can be disposed on the valve body 5, and the second alignment portion 51 can be in the form of a protrusion. The second alignment mating portion 224 can be disposed on the cover plate 22, and the second alignment mating portion 224 can be a groove. The protrusion can be inserted into the groove to realize the insertion of the second alignment portion 51 and the second alignment mating portion 224. In some other examples, the second alignment portion 51 and the second alignment mating portion 224 can also adopt a structure similar to that of the first alignment portion 222 and the first alignment mating portion 212b described above, which is also feasible.

[0086] exist Figure 12 In one implementation, there are two second alignment parts 51 and two alignment mating parts 224. In other implementations, there may be one or more second alignment parts 51 and two alignment mating parts 224. The specific number can be determined based on the actual usage requirements.

[0087] A second sealing element 53 can also be provided at the junction of the electromagnetic component and the valve body 5 to achieve a seal between the cover plate 22 and the valve body 5.

[0088] Here, the embodiments of the present invention do not limit the specific types of the first sealing element 23 and the second sealing element 53. In practical applications, those skilled in the art can determine them according to specific needs, as long as they can meet the requirements of use. For example, the first sealing element 23 and the second sealing element 53 can both be sealing rings, sealing gaskets, etc., made of materials with certain elastic properties such as rubber, silicone, and latex.

[0089] In the above-described solution, by integrating the moving iron core 13 within the sleeve 11, pre-installation between the moving iron core 13 and the sleeve 11 can be achieved, eliminating the need to wait until the electromagnetic assembly and valve body 5 are connected before installing the moving iron core 13 and the sleeve 11. This significantly reduces the installation difficulty between the moving iron core 13 and the sleeve 11. Specifically, see [link to relevant documentation]. Figure 13 When assembling the electromagnetic component and valve body 5, it is only necessary to insert the sealing block 3 into the receiving groove 52, which is different from the aforementioned Figure 2 The docking scheme described in this invention significantly reduces installation difficulty. Furthermore, the inclusion of the first alignment part 222, the first alignment mating part 212b, the second alignment part 51, and the second alignment mating part 224 further reduces the connection difficulty between the second frame plate part 212 and the cover plate 22, as well as the connection difficulty between the electromagnetic component and the valve body 5, thereby greatly improving the assembly difficulty of the solenoid valve device. Testing shows that the assembly speed of the solenoid valve device provided by this invention can reach 12 units / min, compared to 3 units / min in related technologies, representing a significant improvement in both assembly speed and efficiency.

[0090] Please refer to Figure 15 , Figure 15 This is a schematic flowchart illustrating the assembly method of the solenoid valve device provided by the present invention.

[0091] like Figure 15 As shown, the present invention also provides an assembly method for a solenoid valve device, applicable to the solenoid valve devices involved in the above-described implementations, the assembly method comprising the following steps S1 to S5.

[0092] Step S1: Assemble sleeve component 1.

[0093] Combination Figure 3 , Figure 4 , Figure 6 and Figure 7 The above step S1 may specifically include: step S11, inserting the moving iron core 13 into the tubular body 111, and controlling the narrow neck 132 of the moving iron core 13 to be inserted into the damping hole 112a-1; step S12, installing the stationary iron core 12 onto the tubular body 111 to achieve encapsulation of the moving iron core 13 within the sleeve 11. The sleeve 11 may include a separately manufactured tubular body 111 and a limiting part 112 (e.g., Figure 5 As shown, before step S11, the following step may be included: step S01, installing the limiting part 112 onto the tubular body 111 to achieve the assembly of the sleeve 11.

[0094] Step S2: Assemble electromagnetic component 2.

[0095] Combination Figure 8 and Figure 9Specifically, step S2 may include: step S21, installing the cover plate 22 onto the second frame plate portion 212, and providing a first sealing element 23 between the cover plate 22 and the second frame plate portion 212; step S22, installing the coil element 24 into the magnetically conductive frame 21. It should be noted that there is no specific order between steps S21 and S22; in practice, those skilled in the art can perform either step first.

[0096] More specifically, based on the aforementioned arrangement of the first alignment part 222, the first alignment mating part 212b, the first fixing hole 212c, and the second fixing hole 223, step S21 may include: step S211, controlling the first alignment part 222 to be inserted into the first alignment mating part 212b to achieve preliminary positioning and assembly between the second frame plate part 212 and the cover plate 22; step S212, controlling the first fixing hole 212c and the second fixing hole 223 to be aligned; step S213, using a connector passing through the first fixing hole 212c and the second fixing hole 223 to connect the cover plate 22 and the second frame plate part 212. The connector may be, for example, a screw or bolt. It should be understood that other connection methods may also be used to connect the cover plate 22 and the second frame plate part 212, such as welding or snap-fitting, as long as the reliability requirements of the connection can be guaranteed.

[0097] The steps S1 and S2 described above are two independent steps. Therefore, there is no order between them. In specific implementation, those skilled in the art can perform either one first.

[0098] Step S3: Install the sleeve component 1 onto the electromagnetic component 2.

[0099] Combination Figure 9 and Figure 10 Step S3 can be specifically as follows: the control sleeve component 1 passes through the first through hole 221 and the second through hole 212a in sequence, and goes deep into the coil element 24. The connecting piece in the form of a screw 6 passes through the first frame plate 211 to connect with the stationary iron core 12, thereby realizing the connection between the sleeve component 1 and the electromagnetic component 2.

[0100] Step S4: Install the sealing block 3 and the elastic member 4 on the sleeve component 1. Specifically, the sealing block 3 can be installed on the part of the narrow neck 132 that extends out of the sleeve 11, and the elastic member 4 can be a spring, which can be at least partially fitted onto the narrow neck 132.

[0101] As mentioned above, step S4 can be performed before step S3. In this way, when the sealing block 3 is connected to the narrow neck 132, the elastic member 4 is in a non-stressed state, which will not interfere with the installation of the sealing block 3 and facilitates a quick connection between the sealing block 3 and the narrow neck 132. Alternatively, step S3 can also be performed before step S4. In this way, when the sleeve component 1 is connected to the electromagnetic component 2, the elastic member 4 has not yet been installed, and it will not interfere with the installation of the electromagnetic component 2, thus facilitating a quick connection between the sleeve component 1 and the electromagnetic component 2.

[0102] The sleeve component 1, the electromagnetic component 2, the sealing block 3, and the elastic component 4 can be combined to form an electromagnetic assembly.

[0103] Step S5: Install the electromagnetic component onto the valve body 5.

[0104] Based on the aforementioned second alignment part 51 and second alignment mating part 224, step S5 can specifically be: controlling the second alignment part 51 to be inserted into the second alignment mating part 224 to achieve the initial positioning of the electromagnetic component and the valve body 5, and then connecting the electromagnetic component and the valve body 5, which is conducive to achieving rapid assembly between the electromagnetic component and the valve body 5.

[0105] By adopting the above assembly method, the moving iron core 13 can be integrated into the sleeve 11 through step S1, which can realize the pre-installation between the moving iron core 13 and the sleeve 11 without waiting for the electromagnetic component and the valve body 5 to be connected before installing the moving iron core 13 and the sleeve 11. This can greatly reduce the installation difficulty between the moving iron core 13 and the sleeve 11. In addition, the aforementioned first alignment part 222, first alignment mating part 212b, second alignment part 51 and second alignment mating part 224 can further reduce the implementation difficulty of steps S2 and S5, thereby greatly improving the assembly difficulty of the solenoid valve device.

[0106] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A solenoid valve device, characterized in that, Includes a sleeve assembly, the sleeve assembly comprising: A sleeve includes a tubular body and a limiting part, wherein the limiting part and the tubular body are fixedly connected or are an integral structure, and the limiting part has a limiting plate, wherein the limiting plate has a damping hole; A stationary iron core is fixedly assembled to the tubular body and is positioned opposite to the limiting part; The moving iron core includes a thick neck and a thin neck connected together. The thick neck is located within the tubular body, and the moving iron core is capable of displacement between the limiting portion and the stationary iron core. Part of the thin neck is located within the damping orifice.

2. The solenoid valve device according to claim 1, characterized in that, The limiting part also includes an annular peripheral plate, which is located on one axial side of the limiting plate and is fixedly connected to the tubular body.

3. The solenoid valve device according to claim 1, characterized in that, The radial gap between the narrow neck and the limiting plate is between 0.15mm and 0.3mm.

4. The solenoid valve device according to any one of claims 1-3, characterized in that, It also includes an electromagnetic component, a sealing block, and an elastic component. The sleeve component is installed on the electromagnetic component. The portion of the narrow neck extending out of the sleeve is connected to the sealing block. One end of the elastic component is fixedly disposed, and the other end of the elastic component abuts against the sealing block.

5. The solenoid valve device according to claim 4, characterized in that, The electromagnetic component includes a magnetically conductive frame and a cover plate. The magnetically conductive frame includes a first frame plate portion and a second frame plate portion arranged opposite to each other along the axial direction of the sleeve. The cover plate is located on the side of the second frame plate portion away from the first frame plate portion and is installed on the second frame plate portion. The sleeve passes through the second frame plate portion and the cover plate. A first sealing member is provided on the outside of the sleeve, and the first sealing member is press-fitted between the cover plate and the second frame plate portion.

6. The solenoid valve device according to claim 5, characterized in that, In the second frame plate and the cover plate, one is provided with a first alignment part and the other is provided with a first alignment mating part, and the first alignment part can be inserted into the first alignment mating part; The cover plate is provided with a first fixing hole, and the second frame plate is provided with a second fixing hole. When the first alignment part is inserted into the first alignment mating part, the first fixing hole and the second fixing hole can be aligned.

7. The solenoid valve device according to claim 4, characterized in that, It also includes a valve body, wherein one of the valve body and the electromagnetic component is provided with a second alignment part and the other is provided with a second alignment mating part, and the second alignment part can be inserted into the second alignment mating part.

8. A method for assembling a solenoid valve device, characterized in that, The assembly method, applicable to the solenoid valve device according to any one of claims 4-7, comprises: Assemble the sleeve assembly; Assemble the electromagnetic components; The sleeve component is installed on the electromagnetic component; The sealing block and the elastic component are installed on the sleeve component, and the sleeve component, the electromagnetic component, the sealing block and the elastic component are combined to form an electromagnetic assembly; The electromagnetic component is installed on the valve body.

9. The assembly method of the solenoid valve device according to claim 8, characterized in that, The electromagnetic component includes a magnetically conductive frame and a cover plate. The magnetically conductive frame includes a first frame plate portion and a second frame plate portion that are arranged opposite to each other along the axial direction of the sleeve. The cover plate is located on the side of the second frame plate portion away from the first frame plate portion. One of the second frame plate portion and the cover plate is provided with a first alignment portion and the other is provided with a first alignment mating portion. The cover plate is provided with a first fixing hole and the second frame plate portion is provided with a second fixing hole. The assembly of the electromagnetic component includes at least: Control the first alignment part to be inserted into the first alignment mating part; Control the alignment of the first fixing hole and the second fixing hole; A connector is used to pass through the first fixing hole and the second fixing hole to connect the cover plate and the second frame plate.

10. The assembly method of the solenoid valve device according to claim 8, characterized in that, In the valve body and the electromagnetic component, one is provided with a second alignment part, and the other is provided with a second alignment mating part; The process of installing the electromagnetic component onto the valve body includes at least: Control the second alignment part to be inserted into the second alignment mating part.

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