Magnetic filter assembly and filter valve

Abstract

The utility model discloses a kind of magnetic filtering assembly and filter valve, belong to valve technical field.The magnetic filtering assembly includes bottom cover, filter screen and magnetic part, filter screen is set on bottom cover, and the side portion of filter screen is equipped with gap;Magnetic part is set on bottom cover and extends into filter screen, the height of magnetic part does not exceed the lowest position of gap.The magnetic filtering assembly, by the height of magnetic part is set as not exceeding the gap of filter screen, on the one hand, can reduce the hindering effect to fluid medium, to reduce the flow resistance of filter screen, improve the flow of the filter valve;On the other hand, it can be convenient for operator to clean filter screen, avoid the hand of operator and magnetic part occur interference in cleaning process, to realize the thorough cleaning of filter screen.The filter valve can filter large particle and metal impurities in fluid medium by applying the above-mentioned magnetic filtering assembly, and filter screen flow resistance is smaller, and it is convenient to clean.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to a magnetic filter assembly and filter valve. Background Technology

[0002] A filter valve is a valve device that integrates filtration and fluid flow control functions. It is mainly used in fluid systems in industrial, civil, and commercial fields. In other words, a filter valve can filter the fluid while controlling its flow, thereby ensuring the quality of the liquid exiting the pipeline.

[0003] A filter valve typically includes a valve body and a filter assembly. The valve body has a flow channel and an assembly port communicating with the flow channel. The filter assembly includes a filter screen and a bottom cover. The filter screen can be inserted into the flow channel through the assembly port to filter larger particles in the liquid. The bottom cover is used to seal the assembly port. To effectively remove metal impurities such as iron filings from the fluid, the filter assembly also includes a magnetic rod. The magnetic rod is mounted on the bottom cover and extends into the filter screen. The fluid flows in from the inlet of the flow channel in the valve body, is filtered by the filter screen, and then flows out from the outlet of the flow channel. When the fluid passes through the filter screen, the magnetic rod can adsorb metal impurities such as iron filings in the fluid, preventing them from flowing into downstream pipelines.

[0004] However, in related technologies, the magnetic rod is usually designed as a long cylindrical structure, which often leads to the following problems when using the filter valve: 1) The magnetic rod is installed in the center of the water flow channel, which obstructs the water flow, affects the flow capacity of the filter valve, increases the flow resistance of the valve body, and reduces the flow rate of the filter valve. 2) After prolonged use, the filter screen may become clogged and needs to be removed for cleaning. However, when the operator cleans the side of the filter screen away from the notch, the magnetic rod obstructs their hand, making cleaning inconvenient and incomplete.

[0005] Therefore, there is an urgent need for a magnetic filter assembly and filter valve to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a magnetic filter assembly and filter valve that can reduce the flow resistance of the filter screen, increase the flow rate of the filter screen, and facilitate thorough cleaning of the filter screen.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A magnetic filter assembly, comprising:

[0009] Bottom cover;

[0010] A filter screen is provided on the bottom cover, and a notch is provided on the side of the filter screen;

[0011] A magnetic component is disposed on the bottom cover and extends into the filter screen, the height of the magnetic component not exceeding the lowest position of the notch.

[0012] As a preferred embodiment, the magnetic component has a disc-shaped structure.

[0013] As a preferred embodiment, the magnetic component has a disk-shaped structure.

[0014] As a preferred embodiment, the magnetic component has a groove at the end opposite to the bottom cover.

[0015] As a preferred embodiment, the magnetic component includes a base plate and an annular outer wall surrounding the base plate, with the groove formed between the annular outer wall and the base plate.

[0016] As a preferred embodiment, the bottom of the groove is provided with a connecting post, the bottom plate has a connecting hole at one end facing the bottom cover, and the connecting hole extends into the connecting post. The bottom cover is provided with a connecting section corresponding to the connecting hole, and the connecting section is detachably fixed in the connecting hole.

[0017] As a preferred embodiment, the opening of the connecting hole is flared.

[0018] As a preferred embodiment, the thickness L1 of the annular outer wall is 0.5 mm to 3.0 mm;

[0019] And / or, the thickness L2 of the base plate is 1.0 mm to 3.0 mm;

[0020] And / or, the distance L3 between the outer periphery of the annular outer wall and the inner sidewall of the filter screen is 0.3mm to 1.5mm.

[0021] As a preferred embodiment, the bottom cover is provided with an annular groove, and the filter screen includes a support frame and a filter screen body disposed on the support frame. The support frame is provided with an embedding part that can be embedded in the annular groove.

[0022] This utility model also provides a filter valve, comprising:

[0023] The valve body has a first channel, and an assembly port communicating with the first channel is provided on the side wall of the valve body;

[0024] As described above, in the magnetic filter assembly, the filter screen of the magnetic filter assembly can be inserted into the first channel through the assembly port, and the bottom cover of the magnetic filter assembly is detachably and sealingly connected to the assembly port.

[0025] The beneficial effects of this utility model are as follows:

[0026] The magnetic filter assembly provided by this utility model, by setting a filter screen, can filter large particles in the fluid medium flowing through it, thereby improving the purity of the fluid medium and ensuring good performance. By setting the height of the magnetic component to not exceed the gap in the filter screen, on the one hand, the obstruction to the fluid medium can be reduced, thereby reducing the flow resistance of the filter screen and increasing the flow rate of the filter valve; on the other hand, it can facilitate the operator to clean the filter screen, avoiding interference between the operator's hand and the magnetic component during the cleaning process, thus achieving thorough cleaning of the filter screen.

[0027] The filter valve provided by this invention, by applying the aforementioned magnetic filter assembly, can filter large particles and metallic impurities in the fluid medium flowing through the filter valve, thereby improving the purity of the fluid medium. Furthermore, the filter valve has low filter screen flow resistance and is easy to clean. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the structure of the filter valve provided in Embodiment 1 of this utility model;

[0030] Figure 2 This is a partial cross-sectional view of the filter valve provided in Embodiment 1 of this utility model;

[0031] Figure 3 This is an exploded view of the filter valve provided in Embodiment 1 of this utility model;

[0032] Figure 4 This is a schematic diagram of the valve body provided in Embodiment 1 of this utility model;

[0033] Figure 5 This is a schematic diagram of the structure of the magnetic filter assembly and connector provided in Embodiment 1 of this utility model;

[0034] Figure 6 This is a cross-sectional view of the magnetic filter assembly provided in Embodiment 1 of this utility model;

[0035] Figure 7 This is a schematic diagram of the bottom cover provided in Embodiment 1 of this utility model;

[0036] Figure 8 This is a schematic diagram of the first structure of the magnetic component provided in Embodiment 1 of this utility model;

[0037] Figure 9 This is a schematic diagram of the second structure of the magnetic component provided in Embodiment 1 of this utility model;

[0038] Figure 10 This is a schematic diagram of the structure of the magnetic component provided in Embodiment 2 of this utility model.

[0039] Figure label:

[0040] 10. Valve body; 11. Valve main body; 110. First channel; 1101. Inlet end; 1102. Outlet end; 1103. First through hole; 1104. Second through hole; 12. First protruding neck; 13. Second protruding neck; 1301. Assembly port; 1302. Insertion hole; 1303. Receiving groove;

[0041] 20. Valve ball; 201. Second channel; 202. Insertion slot;

[0042] 30. Valve seat; 301. Through hole;

[0043] 40. Magnetic filter assembly; 41. Bottom cover; 411. Annular groove; 412. Limiting groove; 413. Sealing groove; 414. Reverse fastener; 4141. Extension; 4142. Snap-fit ​​part; 415. Connecting section; 42. Filter screen; 420. Notch; 421. Support frame; 4211. Embedded part; 422. Filter screen body; 43. Magnetic component; 430. Groove; 431. Base plate; 432. Annular outer wall; 433. Connecting post; 4330. Connecting hole;

[0044] 50. Adjusting assembly; 51. Valve stem; 511. Plug-in end; 52. Handle; 520. Mounting hole; 53. Fastening nut;

[0045] 60. Valve cover;

[0046] 71. First seal; 72. Second seal;

[0047] 80. Connector; 81. Connecting part; 82. Connecting part. Detailed Implementation

[0048] Before explaining any embodiment of the present invention in detail, it should be understood that the present invention is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.

[0049] In this invention, the terms "comprising," "including," "having," 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.

[0050] In this invention, the term "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, in this invention, the character " / " generally indicates that the preceding and following related objects have an "and / or" relationship.

[0051] In this invention, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.

[0052] In this invention, those skilled in the art will understand that relative terms (e.g., “about,” “approximately,” “basically,” etc.) used in conjunction with quantities or conditions are to include the value and have the meaning indicated by the context. For example, such relative terms include at least the degree of error associated with the measurement of a particular value, tolerances associated with the particular value due to manufacturing, assembly, use, etc. Such terms should also be considered as disclosing a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​not using relative terms should also be disclosed as specific values ​​with tolerances. Furthermore, “basically” when expressing relative angular relationships (e.g., substantially parallel, substantially perpendicular) may refer to a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) added to or subtracted from the indicated angle.

[0053] In this invention, those skilled in the art will understand that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can be performed by one part, one component, or a combination of multiple parts.

[0054] In this utility model, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this utility model. Furthermore, in the context, it should be understood that when one element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent the direct orientation but can also be understood as the lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.

[0055] This utility model provides a filter valve, which is used in various pipelines to cut off or connect the flow of media in the pipeline, and at the same time filters the fluid medium flowing through it, thereby ensuring the quality of the liquid output at the end of the pipeline. The filter valve can be a filter ball valve, a gate valve, or a pressure reducing valve, and no specific limitation is made here. For ease of description, the following detailed description uses a filter ball valve as an example with reference to the accompanying drawings through several embodiments.

[0056] Example 1

[0057] like Figures 1-3 As shown, this embodiment provides a filter valve, which includes a valve body 10, a valve ball 20, and a valve seat 30. The valve body 10 has a first channel 110 for the passage of fluid medium. The valve seat 30 is disposed within the valve body 10 and is sealed to the valve ball 20. The valve seat 30 has a through hole 301, and the valve ball 20 has a second channel 201. The valve ball 20 is rotatably disposed within the first channel 110 and can cooperate with the valve seat 30 to selectively open and close the first channel 110. In use, when the valve ball 20 rotates to the point where the second channel 201 intersects with the through hole 301 of the valve seat 30, the filter valve is in the open state; when the valve ball 20 rotates to the point where the second channel 201 is misaligned with the through hole 301 of the valve seat 30, the filter valve is in the closed state. Furthermore, as the valve ball 20 rotates, the area of ​​intersection between the second channel 201 and the through hole 301 of the valve seat 30 also changes, and the flow rate of the fluid medium through the first channel 110 also changes, thereby enabling control of the pipeline flow rate.

[0058] Optionally, the valve seat 30 is an annular rubber gasket, which can deform itself to fit tightly against the valve ball 20, achieving a sealing fit. The rubber material of the valve seat 30 also reduces wear between the two during valve ball 20 rotation, thereby extending the service life of the filter valve. In this embodiment, there are two valve seats 30, located on opposite sides of the valve ball 20, both sealingly engaged with it. This design ensures uniform force distribution on the valve seats 30, thus achieving a good sealing effect between the valve seat 30 and the valve ball 20.

[0059] like Figure 2 and Figure 3 As shown, the filter valve also includes a valve cover 60. One end of the first channel 110 of the valve body 10 forms a connecting joint for connecting to an external pipeline. The valve cover 60 is partially inserted into the other end of the first channel 110 to press against the valve seat 30 on the corresponding side. By setting the valve cover 60, the valve seat 30 can be limited, so that the valve ball 20 and the valve seat 30 always maintain a sealed fit. In use, the connecting joint formed at one end of the first channel 110 and the valve cover 60 are used to connect the filter valve to an external pipeline to control the pipeline's on / off state. In this embodiment, the valve cover 60 is threaded to the valve body 10, which is simple in structure, easy to install, and provides a secure connection.

[0060] Taking the inlet 1101 at the connecting joint and the outlet 1102 at the valve cover 60 as an example, when the valve ball 20 rotates to the connected position (the second channel 201 is connected to the through hole 301), the fluid medium in the upstream pipeline can flow from the valve cover 60 to the downstream pipeline through the first channel 110, the through hole 301 of the valve seat 30 near the inlet 1101, the second channel 201, and the through hole 301 of the valve seat 30 near the outlet 1102 in sequence. When the valve ball 20 rotates to the cut-off position (the second channel 201 and the through hole 301 are offset), the fluid medium in the external pipeline cannot pass through the filter valve. It can be understood that when the second channel 201 and the through hole 301 are directly opposite each other, the flow rate of the fluid medium through the filter valve is the largest; when the second channel 201 and the through hole 301 are completely offset, the filter valve is in the closed state, that is, the valve ball 20 is in the cut-off position.

[0061] To achieve position adjustment of valve ball 20, such as Figures 2-4 As shown, the filter valve also includes an adjustment assembly 50. The valve body 10 includes a valve body 11 and a first protruding neck 12. The top of the valve body 11 is provided with a first through hole 1103. The first protruding neck 12 is connected to the valve body 11 and is arranged around the first through hole 1103. The adjustment assembly 50 includes a valve stem 51. The valve stem 51 passes through the first protruding neck 12 and the first through hole 1103 in sequence and is connected to the valve ball 20. Rotating the valve stem 51 can drive the valve ball 20 to rotate, so as to open and close the first channel 110.

[0062] Optionally, the valve stem 51 and the valve ball 20 are interlocked to ensure that the valve ball 20 can rotate synchronously with the valve stem 51. Specifically, in this embodiment, the valve stem 51 is provided with an interlocking end 511, and the valve ball 20 is provided with an interlocking groove 202 that mates with the interlocking end 511. In other embodiments, the interlocking end 511 can also be provided on the valve ball 20, and the interlocking groove 202 can be provided on the valve stem 51, achieving the same effect.

[0063] To improve the sealing performance of the filter valve, at least one first sealing element 71 is provided between the valve stem 51 and the first protruding neck 12 to ensure a tight seal between them, thereby preventing leakage of the fluid medium in the first channel 110 from between the valve stem 51 and the first protruding neck 12. It should be noted that the first sealing element 71 is an O-ring. O-rings are simple in structure, inexpensive, corrosion-resistant, and have good sealing performance.

[0064] In some embodiments, the adjusting assembly 50 further includes a handle 52 connected to the end of the valve stem 51 that extends out of the valve body 10. By providing the handle 52, an operator can hold the handle 52 to rotate the valve stem 51, thereby improving the ease of operation for the operator.

[0065] In some embodiments, the adjusting assembly 50 further includes a fastening nut 53, one end of the handle 52 is provided with a mounting hole 520, and the end of the valve stem 51 facing away from the valve ball 20 passes through the mounting hole 520 and is threadedly connected to the fastening nut 53, thereby realizing a fixed connection between the valve stem 51 and the handle 52.

[0066] like Figures 2-5 As shown, the filter valve also includes a magnetic filter assembly 40, which includes a bottom cover 41 and a filter screen 42 disposed on the bottom cover 41. The valve body 10 is also provided with an assembly port 1301 communicating with the first channel 110. The filter screen 42 can be inserted into the first channel 110 through the assembly port 1301 and extend into the valve ball 20. The bottom cover 41 is detachably and sealingly installed on the assembly port 1301. By providing the filter screen 42, large particles in the fluid medium flowing through the valve ball 20 can be filtered, thereby improving the purity of the fluid medium passing through this filter valve and ensuring good performance.

[0067] In some embodiments, the valve body 10 further includes a second protruding neck 13, and a second through hole 1104 is provided at the bottom of the valve body 11. The second protruding neck 13 is connected to the valve body 11 and is arranged around the second through hole 1104. The assembly port 1301 is provided in the second protruding neck 13.

[0068] In some embodiments, the valve body 11, the second protruding neck 13, and the first protruding neck 12 are integrally formed to ensure the integrity of the entire valve body 10 and reduce leakage points on the valve body 10, thereby improving the safety of the filter valve.

[0069] It should be noted that the terms "bottom" and "top" in this embodiment do not refer to the spatial meaning of "bottom" or "top" in the actual application of the filter valve, but are used for reference only. Figure 1 The view orientation is merely used to distinguish different features and should not be construed as a limitation on the technical solution of this application.

[0070] like Figures 5-7 As shown, the bottom cover 41 is provided with an annular groove 411. The filter screen 42 includes a support frame 421 and a filter screen body 422 disposed on the support frame 421. The support frame 421 is provided with an embedding part 4211 that can be embedded in the annular groove 411. The support frame 421 serves as a support base to support the filter screen body 422, thereby improving the overall structural strength of the filter screen 42 and preventing it from deforming under the impact of the fluid medium. By providing the annular groove 411 and the embedding part 4211 that can fit into each other on the bottom cover 41 and the support frame 421 respectively, the filter screen 42 can be fixed to the bottom cover 41. After long-term use, the operator can remove the bottom cover 41 from the valve body 10, and the filter screen 42 can be removed together with the bottom cover 41, which facilitates the cleaning of the filter screen 42.

[0071] It should be noted that the bottom cover 41 is typically exposed to air; therefore, the material of the bottom cover 41 can be a metal with good corrosion resistance, such as brass or stainless steel. The filter screen 42 is used to filter impurities in the fluid medium, meaning that the filter screen 42 needs to be in contact with the fluid medium for a long time; therefore, the material of the filter screen 42 is typically stainless steel. In this embodiment, the bottom cover 41 and the filter screen 42 are separately molded structures and can be made of different materials; this embodiment does not impose any limitations.

[0072] like Figure 2 , Figure 5 and Figure 6 As shown, the filter screen 42 is arranged in a circular shape, with a notch 420 on one side. When this magnetic filter assembly 40 is assembled into the valve body 10, the notch 420 faces the inlet end 1101 of the filter valve (i.e., the end of the valve body 10 away from the valve cover 60). When the fluid medium enters the first channel 110 from the inlet end 1101, it can flow smoothly into the interior of the filter screen 42 through the notch 420, so that the fluid medium can fully filter impurities inside the filter screen 42. The filtered fluid medium then flows to the outlet end 1102 (i.e., the end of the valve body 10 near the valve cover 60) after passing through the filter screen 42, thereby ensuring the filtration effect and filtration efficiency of the filter valve.

[0073] To remove metallic impurities from the fluid medium, the magnetic filter assembly 40 also includes a magnetic element 43. The magnetic element 43 is disposed on the bottom cover 41 and extends into the filter screen 42, with the height of the magnetic element 43 not exceeding the lowest position of the notch 420. This arrangement reduces obstruction to the fluid medium, thereby lowering the flow resistance of the filter screen 42 and increasing the flow rate of the filter valve. Furthermore, it facilitates cleaning of the filter screen 42 by the operator, preventing interference between the operator's hand and the magnetic element 43 during cleaning, thus ensuring thorough cleaning of the filter screen 42.

[0074] It is understood that the height of the magnetic component 43 in this embodiment is reduced compared to the height of magnetic components in related technologies. To avoid a reduction in adsorption area due to the reduced height, such as... Figure 5 , Figure 6 and Figure 8 As shown, a groove 430 is provided at the end of the magnetic component 43 facing away from the bottom cover 41. When adsorbing metal impurities, the outer surface of the magnetic component 43, the groove wall of the groove 430, and the bottom of the groove 430 can all serve as impurity adsorption surfaces, achieving effective adsorption of metal impurities and ensuring the adsorption effect of the magnetic component 43 on metal impurities. In addition, the groove 430 is also conducive to the storage of metal impurities and prevents them from being repeatedly washed away by the fluid medium.

[0075] Specifically, the magnetic component 43 includes a base plate 431 and an annular outer wall 432 surrounding the base plate 431. A groove 430 is formed between the annular outer wall 432 and the base plate 431. The structure is simple and easy to process.

[0076] In some embodiments, the thickness L1 of the annular outer wall 432 is 0.5 mm to 3.0 mm. This thickness range can maximize the horizontal dimension of the groove 430, thereby increasing the impurity adsorption area, improving the impurity adsorption effect of the filter valve, and ensuring the structural strength of the magnetic component 43. For example, L1 can be 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.2 mm, 1.4 mm, 1.5 mm, 1.6 mm, 1.8 mm, 2.0 mm, 2.2 mm, 2.4 mm, 2.5 mm, 2.6 mm, 2.8 mm, 3.0 mm, etc. Of course, the specific value of L1 is not limited to the above range, and designers can adaptively adjust the specific value of L1 according to actual usage requirements.

[0077] In some embodiments, the thickness L2 of the base plate 431 is 1.0 mm to 3.0 mm. This range can maximize the depth of the groove 430, thereby increasing the impurity adsorption area and improving the impurity adsorption effect of the filter valve. Furthermore, a base plate 431 within this thickness range can avoid insufficient structural strength of the magnetic component 43 due to a thinner base plate 431. For example, L2 can be 1.0 mm, 1.2 mm, 1.4 mm, 1.5 mm, 1.6 mm, 1.8 mm, 2.0 mm, 2.2 mm, 2.4 mm, 2.5 mm, 2.6 mm, 2.8 mm, 3.0 mm, etc. Of course, the specific value of L2 is not limited to the above range; designers can adaptively adjust the specific value of L2 according to actual usage requirements.

[0078] In some embodiments, the distance L3 between the outer periphery of the annular outer wall 432 and the inner sidewall of the filter screen 42 is 0.3mm to 1.5mm. This distance range can maximize the horizontal dimension of the magnetic element 43, thereby further increasing the impurity adsorption area and improving the impurity adsorption effect of the filter valve. For example, L3 can be 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.2mm, 1.4mm, 1.5mm, etc. Of course, the specific value of L3 is not limited to the above range, and designers can adaptively adjust the specific value of L3 according to actual usage requirements.

[0079] In this embodiment, the cross-section of the magnetic element 43 is circular, and the outer contour of the groove 430 is circular to fit the annular filter 42. The aforementioned "dimension of the groove 430 along the horizontal direction" specifically refers to the diameter of the groove 430, and the aforementioned "dimension of the magnetic element 43 along the horizontal direction" specifically refers to the diameter of the magnetic element 43. Of course, in other embodiments, the cross-section of the magnetic element 43 can also be rectangular, and the outer contour of the groove 430 is also rectangular. In this case, the aforementioned "dimension of the groove 430 along the horizontal direction" specifically refers to the diagonal dimension of the groove 430, and the aforementioned "dimension of the magnetic element 43 along the horizontal direction" specifically refers to the diagonal dimension of the magnetic element 43.

[0080] like Figure 6 , Figure 7 and Figure 9 As shown, a connecting section 415 is provided on the bottom cover 41, and a connecting hole 4330 is provided on the magnetic component 43 corresponding to the connecting section 415. The connecting section 415 is detachably fixed in the connecting hole 4330, thereby realizing the fixed connection between the magnetic component 43 and the bottom cover 41.

[0081] For example, the connecting segment 415 is provided with external threads, and the wall of the connecting hole 4330 is provided with internal threads. The connecting segment 415 is threadedly connected to the connecting hole 4330. Threaded connections have the advantages of simple structure, convenient assembly and disassembly, and tight connection. Of course, in other embodiments, the connecting segment 415 can also be interference-fitted into the connecting hole 4330, which can also achieve a fixed connection between the magnetic component 43 and the bottom cover 41.

[0082] In some embodiments, a connecting post 433 protrudes from the bottom of the groove 430, and a connecting hole 4330 is formed on the side of the base plate 431 facing the bottom cover 41, and partially extends into the connecting post 433. By providing the connecting post 433, the screwing depth between the connecting section 415 and the connecting hole 4330 can be increased, which on the one hand improves the fixed connection effect between the magnetic component 43 and the bottom cover 41, and on the other hand ensures the structural strength of the magnetic component 43. In addition, the outer peripheral surface and the top surface of the connecting post 433 can both serve as impurity adsorption surfaces, thereby improving the impurity adsorption effect of the magnetic component 43.

[0083] In some embodiments, the opening of the connection hole 4330 is flared to allow the connection segment 415 to quickly and accurately extend into the connection hole 4330.

[0084] like Figure 1 as well as Figures 3-6 As shown, the filter valve also includes a connector 80. A connector hole 1302 is provided at the assembly port 1301, and the connector hole 1302 penetrates the inner wall of the valve body 10 (i.e., the second protruding neck 13). A limiting groove 412 is provided on the bottom cover 41 corresponding to the connector hole 1302. The connector 80 can be inserted into the connector hole 1302, and at least part of the connector 80 is simultaneously limited in the connector hole 1302 and the limiting groove 412.

[0085] When the assembled magnetic filter assembly 40 needs to be installed into the valve body 10, the filter screen 42 can first be inserted into the first channel 110 through the assembly port 1301. At this time, the bottom cover 41 is partially located in the second protruding neck 13. Then, the connector 80 is inserted into the connector hole 1302. The part of the connector 80 located in the assembly port 1301 can be simultaneously confined in the limiting groove 412, thereby limiting the bottom cover 41 and fixing the magnetic filter assembly 40 into the valve body 10. When the filter screen 42 needs to be cleaned, simply pull the connector 80 out from the connector hole 1302 and the limiting groove 412. At this time, when the bottom cover 41 is pulled out, the filter screen 42 can be removed together with the bottom cover 41. This fixing method makes the assembly and disassembly of the magnetic filter assembly 40 easy and efficient.

[0086] In some embodiments, the limiting groove 412 is annular, and two insertion holes 1302 are symmetrically arranged on the second protruding neck 13, with the insertion holes 1302 penetrating through the second protruding neck 13. The insertion member 80 first passes through the insertion hole 1302 and then enters the assembly port 1301, where it mates with the limiting groove 412. Finally, it extends out from the other end of the insertion hole 1302, completing the installation. Because the limiting groove 412 is annular, the bottom cover 41 can be positioned and engaged with the insertion member 80 in any direction when installed in the assembly port 1301, saving time and effort.

[0087] In some embodiments, the connector 80 has a U-shaped structure. The connector 80 includes a connecting part 82 and two connector parts 81. The two connector parts 81 are connected by the connecting part 82. The connecting part 82 allows the two connector parts 81 to be inserted into the limiting groove 412 at the same time. When disassembly is required, the two connector parts 81 can be pulled out at the same time through the connecting part 82. The operation is simple and convenient.

[0088] In some embodiments, a reverse fastener 414 is provided on the outer periphery of the bottom cover 41. The reverse fastener 414 can abut against the plug-in 80 to limit the plug-in 80. In this structure, the reverse fastener 414 can abut against the plug-in 80, thereby preventing the plug-in 80 from coming out of the plug-in hole 1302, and thus indirectly ensuring that the bottom cover 41 will not fall out of the valve body 10. In addition, when the bottom cover 41 tends to rotate around its own axis, the plug-in 80 can abut against the reverse fastener 414 in the opposite direction, thereby preventing the plug-in 80 from rotating and ensuring the stability of the structure.

[0089] In some embodiments, the anti-locking member 414 includes an extension 4141 and a latching portion 4142. The extension 4141 extends away from the bottom cover 41, and the latching portion 4142 is angled to and connected to the extension 4141. After the connector 80 is inserted into the valve body 10, the connection between the extension 4141 and the latching portion 4142 can abut against the bottom of the connecting portion 82, and the latching portion 4142 can abut against the outer side of the connecting portion 82, thereby ensuring that the connector 80 cannot detach from the insertion hole 1302, thus ensuring a good fixing effect on the magnetic filter assembly 40. In addition, when the bottom cover 41 tends to rotate around its own axis, the connecting portion 82 will exert a reverse force on the anti-locking member 414 and hold it in place, thereby preventing the bottom cover 41 from rotating, ensuring the stability of the magnetic filter assembly 40, and improving the filtration effect.

[0090] In some embodiments, the valve body 10 (second protruding neck 13) has a receiving groove 1303, in which the extension 4141 is accommodated when the connector 80 abuts against the buckle 414. The receiving groove 1303 serves two purposes: firstly, it provides clearance for the extension 4141 to avoid interference between the buckle 414 and the valve body 10; secondly, when installing the magnetic filter assembly 40 onto the valve body 10, the notch 420 needs to be aligned with the inlet end 1101 of the first channel 110. The matching buckle 414 and the receiving groove 1303 provide a clear installation position for the magnetic filter assembly 40. After the bottom cover 41 is assembled onto the valve body 10, the notch 420 of the filter screen 42 can be aligned with the inlet end 1101 of the first channel 110, eliminating the need for multiple rotations and adjustments, making installation simpler and faster.

[0091] Understandably, the anti-locking component 414 not only serves as a limit switch but also as a foolproof mechanism.

[0092] In some embodiments, the bottom cover 41 is provided with a sealing groove 413 along its circumference, which is used to install the second sealing element 72. After the magnetic filter assembly 40 is installed into the valve body 10, the second sealing element 72 can seal the bottom cover 41 and the valve body 10, thereby effectively preventing fluid medium from leaking from the gap between the bottom cover 41 and the valve body 10, thus ensuring good sealing performance. In addition, since the second sealing element 72 is installed in the sealing groove 413, the sealing groove 413 can limit the second sealing element 72 to prevent displacement of the second sealing element 72 when disassembling and assembling the magnetic filter assembly 40, effectively improving the efficiency and convenience of disassembly and assembly. It should be noted that the second sealing element 72 is an O-ring. O-rings have a simple structure, low price, corrosion resistance, and good sealing effect.

[0093] In some embodiments, the sealing groove 413 is located between the limiting groove 412 and the filter screen 42 to prevent fluid medium from flowing out of the insertion hole 1302 and ensure that the filter valve has good sealing performance.

[0094] Example 2

[0095] This embodiment provides a filter valve, the specific structure of which is roughly the same as that of the filter valve provided in Embodiment 1, the difference being that the magnetic component 43 is a disc-shaped structure.

[0096] like Figure 10 As shown, in this embodiment, the magnetic component 43 has a disc-shaped structure, that is, a flat cylindrical structure with a relatively small height-to-diameter ratio. This design facilitates processing and improves processing and assembly efficiency. This embodiment does not limit the height of the magnetic component 43, as long as its height does not exceed the lowest point of the notch 420.

[0097] Optionally, the magnetic component 43 has a disc-shaped structure, that is, a flat cylindrical structure with a relatively small height-to-diameter ratio. This design facilitates processing and can be adapted to the annular filter screen 42 to obtain a larger magnetic adsorption area, thereby ensuring the adsorption effect of the filter valve. Of course, in other embodiments, the magnetic component 43 can also be a triangular prism structure, a square prism structure, a hexagonal prism structure, etc., and is not limited here.

[0098] In this embodiment, the connection method between the magnetic component 43 and the bottom cover 41 is the same as that between the magnetic component 43 and the bottom cover 41 in Embodiment 1, and will not be described again in this embodiment.

[0099] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that the above embodiments do not limit this utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of this utility model.

Claims

1. A magnetic filter assembly, characterized in that, include: Bottom cover (41); A filter screen (42) is disposed on the bottom cover (41), and a notch (420) is provided on the side of the filter screen (42); A magnetic element (43) is disposed on the bottom cover (41) and extends into the filter screen (42), wherein the height of the magnetic element (43) does not exceed the lowest position of the notch (420).

2. The magnetic filter assembly according to claim 1, characterized in that, The magnetic component (43) has a disc-shaped structure.

3. The magnetic filter assembly according to claim 2, characterized in that, The magnetic component (43) has a disk-shaped structure.

4. The magnetic filter assembly according to claim 1, characterized in that, The magnetic component (43) has a groove (430) at one end facing away from the bottom cover (41).

5. The magnetic filter assembly according to claim 4, characterized in that, The magnetic component (43) includes a base plate (431) and an annular outer wall (432) surrounding the base plate (431), with the groove (430) formed between the annular outer wall (432) and the base plate (431).

6. The magnetic filter assembly according to claim 5, characterized in that, The groove (430) has a connecting post (433) protruding from the bottom. The bottom plate (431) has a connecting hole (4330) at one end facing the bottom cover (41), and the connecting hole (4330) extends into the connecting post (433). The bottom cover (41) has a connecting section (415) corresponding to the connecting hole (4330), and the connecting section (415) is detachably fixed in the connecting hole (4330).

7. The magnetic filter assembly according to claim 6, characterized in that, The opening of the connecting hole (4330) is flared.

8. The magnetic filter assembly according to claim 5, characterized in that, The thickness L1 of the annular outer wall (432) is 0.5 mm to 3.0 mm; And / or, the thickness L2 of the base plate (431) is 1.0 mm to 3.0 mm; And / or, the distance L3 between the outer periphery of the annular outer wall (432) and the inner sidewall of the filter screen (42) is 0.3mm to 1.5mm.

9. The magnetic filter assembly according to any one of claims 1 to 8, characterized in that, The bottom cover (41) is provided with an annular groove (411), and the filter (42) includes a support frame (421) and a filter body (422) disposed on the support frame (421). The support frame (421) is provided with an embedding part (4211) that can be embedded in the annular groove (411).

10. A filter valve, characterized in that, include: Valve body (10), the valve body (10) has a first channel (110) inside, and the side wall of the valve body (10) is provided with an assembly port (1301) that communicates with the first channel (110); The magnetic filter assembly as described in any one of claims 1 to 9, wherein the filter screen (42) of the magnetic filter assembly can be inserted into the first channel (110) from the assembly port (1301), and the bottom cover (41) of the magnetic filter assembly is detachably and sealingly connected to the assembly port (1301).

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