Filtering dustproof stop valve

By designing a compact filter dustproof shut-off valve, the problem of complex structure and difficult maintenance of traditional shut-off valves when filtering impurities is solved, achieving efficient filtration of media and convenient maintenance, and is suitable for multiple industrial application scenarios.

CN223854868UActive Publication Date: 2026-01-30POWERFUL VALVE GRP CO LTD
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Patent Information

Application Number
CN202520739202.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-01-30
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

Traditional gate valves suffer from problems such as complex structure, limited filtration effect, and difficult maintenance when filtering impurities in the medium, leading to equipment wear, blockage, and product contamination.

Method used

A filter dustproof shut-off valve was designed, comprising a valve body, valve seat, valve disc, and a built-in detachable filter assembly. The structural strength is enhanced by a filter cartridge, mounting ring, and skeleton, achieving filtration and dustproofing of the medium. The filter assembly is detachable for easy replacement.

Benefits of technology

It achieves the purity and cleanliness of the medium, protects equipment and products, reduces maintenance costs and workload, and is suitable for industrial production, chemical processing and water treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filtering dustproof stop valve, and relates to the field of stop valves. The filtering dustproof stop valve comprises a valve body unit and a valve deck unit arranged on the valve body unit, the valve body unit comprises a valve body main body, a valve seat, a valve clack and a filtering assembly, the valve seat is fixedly installed in the valve body main body, the valve clack tightly abuts against the valve seat, the valve clack can vertically move through the valve deck unit, and the filtering assembly is arranged on the valve deck unit. The filtering assembly is installed below the valve clack and used for filtering and dust prevention of the circulating medium. According to the filtering dustproof stop valve, impurities and particulate matter in a medium are effectively filtered through the built-in filtering assembly, the purity and cleanliness of the medium are ensured, downstream equipment and products are protected against the influence of the particulate matter, meanwhile, the filtering assembly is of a detachable design, and when the filtering assembly is blocked or damaged, the filtering assembly can be conveniently detached. Operators can conveniently disassemble and replace the device, and the maintenance cost and the workload are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stop valve, concretely is a filter dustproof stop valve. BACKGROUND

[0002] The traditional stop valve is mainly used for cutting off or regulating the flow of medium, but there is obvious deficiency in filtering the impurities in the medium. When the medium contains particulate matter, fiber, dust and other impurities, these impurities may enter the internal equipment along with the flow of medium, causing wear or blockage to the precision components of the equipment, and even causing equipment failure. In addition, impurities may also contaminate the product, affecting the quality and safety of the product.

[0003] In order to solve this problem, some valves with filtering function appear in the market, but these valves often have problems such as complex structure, limited filtering effect, difficult maintenance, etc. For example, some valves are easy to block when filtering medium, and need to be cleaned or replaced frequently, which not only increases the maintenance cost, but also may affect the continuity and stability of production.

[0004] Therefore, it is particularly important to develop a filter dustproof stop valve with simple structure, good filtering effect and easy maintenance. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiency of the prior art, the utility model provides a filter dustproof stop valve, which solves the problem that the valve with filtering function in the prior art often has complex structure, limited filtering effect and difficult maintenance.

[0006] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a filter dustproof stop valve, comprising a valve body unit and a valve cover unit arranged on the valve body unit, the valve body unit comprises:

[0007] Valve body;

[0008] Valve seat, which is fixedly installed in the interior of the valve body;

[0009] Valve clack, which is closely abutted with the valve seat, the valve clack can be vertically moved by the valve cover unit;

[0010] Filter assembly, which is installed below the valve clack and is used for filtering dust of the flowing medium.

[0011] Preferably, the filter assembly comprises:

[0012] Filter cartridge, which is in the interior of the valve seat;

[0013] Mounting ring, which is embedded below the valve clack and connected with the filter cartridge;

[0014] A skeleton is fixedly installed in the interior of the filter cartridge to increase the structural strength of the filter cartridge.

[0015] Preferably, a threaded ring is fixedly installed on the top of the filter cartridge, and the threaded ring is screwed with the inner wall of the installation ring.

[0016] Preferably, the valve cover unit comprises:

[0017] A valve cover body is fixedly installed on the top of the valve body by bolts;

[0018] A valve rod is movably inserted into the valve cover body, and the bottom end of the valve rod penetrates through the valve cover body and is fixedly connected with the valve flap.

[0019] Preferably, a limiting seat is fixedly installed above the valve cover body, and the valve rod is screwed with the inner wall of the limiting seat.

[0020] Preferably, a sealing packing is arranged at the connection between the valve cover body and the valve rod.

[0021] Preferably, a handle is fixedly connected with the top end of the valve rod.

[0022] The utility model discloses a filter dustproof stop valve, which has the following beneficial effects: the filter dustproof stop valve has compact structure and reasonable design, avoids the shortcomings of complex structure and difficult maintenance of traditional filter valves, effectively filters impurities and particulate matters in medium through the built-in filter assembly, ensures the purity and cleanliness of the medium, thereby protecting downstream equipment and products from the influence of particulate matters, and the filter assembly is designed to be detachable, so that the operator can conveniently disassemble and replace the filter assembly when the filter assembly is blocked or damaged, thereby reducing maintenance cost and workload, and the filter dustproof stop valve is suitable for various occasions requiring medium filtration and cutting, such as industrial production, chemical treatment, water treatment and the like, and has wide application prospect and market value. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a whole structure sectional view of the utility model;

[0026] Figure 3It is a structure schematic view of the filter assembly.

[0027] Figure 4 It is a structure schematic view of the filter assembly.

[0028] In the figure: 1, valve body unit;11, valve body main body;12, valve seat;13, valve flap;14, filter assembly;141, filter cartridge;142, mounting ring;143, framework;144, threaded ring;2, valve cover unit;21, valve cover main body;22, limit seat;23, valve rod. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0030] The application provides a filter dustproof stop valve, which solves the problems of complex structure, limited filtering effect and difficult maintenance of the valve with a filtering function in the prior art.

[0031] The filter dustproof stop valve is compact in structure and reasonable in design, avoids the defects of complex structure and difficult maintenance of the traditional filter valve, effectively filters impurities and particulate matters in the medium through the built-in filter assembly 14, ensures the purity and cleanliness of the medium, thereby protecting downstream equipment and products from the influence of particulate matters, and meanwhile, the filter assembly 14 is designed in a detachable mode, so that when the filter assembly 14 is blocked or damaged, an operator can conveniently disassemble and replace the filter assembly 14, thereby reducing maintenance cost and workload.

[0032] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0033] Embodiment one

[0034] The utility model discloses a filter dustproof stop valve.

[0035] According to the drawings Figures 1-4 As shown, comprising valve body unit 1 and setting on valve body unit 1 valve cover unit 2, valve body unit 1 includes:

[0036] Valve body main body 11;

[0037] Valve seat 12, it is fixedly installed in the inside of valve body main body 11;

[0038] A valve disc 13 is tightly abutted with the valve seat 12, and the valve disc 13 can be vertically moved by the bonnet unit 2.

[0039] A filter assembly 14 is installed below the valve disc 13, and is used for filtering and dustproofing the flowing medium.

[0040] The compact structure and reasonable design avoid the defects of complex structure and difficult maintenance of the traditional filter valve, the filter assembly 14 is used for effectively filtering out impurities and particulate matters in the medium, ensuring the purity and cleanliness of the medium, thereby protecting downstream equipment and products from the influence of particulate matters, meanwhile, the filter assembly 14 is designed in a detachable mode, when the filter assembly 14 is blocked or damaged, the operator can conveniently disassemble and replace the filter assembly 14, thereby reducing the maintenance cost and workload, meanwhile, the filter dustproof stop valve is suitable for various occasions requiring medium filtering and blocking, such as industrial production, chemical treatment, water treatment and the like, and has wide application prospect and market value.

[0041] Particularly disclosed, the filter assembly 14 comprises:

[0042] A filter cartridge 141 is arranged in the inside of the valve seat 12;

[0043] An installation ring 142 is embedded below the valve disc 13 and connected with the filter cartridge 141;

[0044] A framework 143 is fixedly installed in the inside of the filter cartridge 141 and used for increasing the structural strength of the filter cartridge 141.

[0045] Further, a threaded ring 144 is fixedly installed at the top of the filter cartridge 141 and is threadedly connected with the inner wall of the installation ring 142.

[0046] In use, the filter cartridge 141 is arranged in the inside of the valve seat 12 and serves as a main container for filtering medium, the installation ring 142 is embedded below the valve disc 13 and connected with the filter cartridge 141, thereby ensuring the stable installation of the filter cartridge 141, the framework 143 is fixedly installed in the inside of the filter cartridge 141 and used for increasing the structural strength of the filter cartridge 141, thereby preventing the deformation of the filter cartridge 141 due to the medium pressure, and the threaded ring 144 is fixedly installed at the top of the filter cartridge 141 and is threadedly connected with the inner wall of the installation ring 142, thereby facilitating the disassembly and replacement of the filter cartridge 141.

[0047] Embodiment two

[0048] The utility model discloses a filter dustproof stop valve.

[0049] According to the accompanying Figures 1-4 As shown, comprising valve body unit 1 and setting on valve body unit 1 bonnet unit 2, valve body unit 1 includes:

[0050] Valve body main part 11;

[0051] Valve seat 12 is fixedly installed inside the valve body 11;

[0052] The valve disc 13 is tightly abutted against the valve seat 12, and the valve disc 13 can be moved vertically by the valve cover unit 2;

[0053] The filter assembly 14 is installed below the valve disc 13 and is used for filtering and dust prevention of the flowing medium.

[0054] Specifically disclosed, valve cover unit 2 includes:

[0055] The valve cover body 21 is fixedly installed on the top of the valve body body 11 by bolts;

[0056] The valve stem 23 is movably inserted into the valve cover body 21, and the bottom end of the valve stem 23 passes through the valve cover body 21 and is fixedly connected to the valve disc 13.

[0057] Furthermore, a limiting seat 22 is fixedly installed on the upper part of the valve cover body 21, and the valve stem 23 is threadedly connected to the inner wall of the limiting seat 22.

[0058] Furthermore, a sealing packing is provided at the connection between the valve cover body 21 and the valve stem 23.

[0059] Furthermore, a handle is fixedly connected to the top of the valve stem 23.

[0060] The limiting seat 22 is fixedly installed above the valve cover body 21 and threadedly connected to the inner wall of the valve stem 23. It limits the vertical movement range of the valve stem 23. The valve stem 23 is movably inserted into the valve cover body 21, with its bottom end passing through the valve cover body 21 and fixedly connected to the valve disc 13, enabling vertical movement of the valve disc 13. The threaded connection between the valve stem 23 and the inner wall of the limiting seat 22 facilitates adjustment of the valve disc 13's position. Sealing packing is placed at the connection between the valve cover body 21 and the valve stem 23 to prevent media leakage. The handle is fixedly connected to the top of the valve stem 23, allowing the operator to manually rotate the valve stem 23 to open or close the valve.

[0061] 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 this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A filter dustproof stop valve comprising a valve body unit (1) and a bonnet unit (2) provided on the valve body unit (1), characterized in that, The valve body unit (1) comprises: a valve body main body (11); a valve seat (12) fixedly installed inside the valve body main body (11); a valve clapper (13) closely abutting against the valve seat (12), which can be vertically moved by a valve cover unit (2); a filter assembly (14) installed below the valve clapper (13) and used for filtering and dustproofing of the flowing medium.

2. A filter dust-proof globe valve according to claim 1, wherein The filter assembly (14) comprises: a filter cartridge (141) inside the valve seat (12); a mounting ring (142) embedded below the valve clapper (13) and connected with the filter cartridge (141); a framework (143) fixedly installed inside the filter cartridge (141) and used for increasing the structural strength of the filter cartridge (141).

3. A filter dust-proof globe valve according to claim 2, wherein A threaded ring (144) is fixedly installed on the top of the filter cartridge (141), and the threaded ring (144) is threadedly connected with the inner wall of the mounting ring (142).

4. The filter dust-proof globe valve according to claim 1, wherein The valve cover unit (2) comprises: a valve cover main body (21) fixedly installed on the top of the valve body main body (11) by bolts; a valve rod (23) movably inserted in the valve cover main body (21), and the bottom end of the valve rod (23) penetrates through the valve cover main body (21) and is fixedly connected with the valve clapper (13).

5. A filter dust-proof globe valve according to claim 4, wherein A limiting seat (22) is fixedly installed above the valve cover main body (21), and the valve rod (23) is threadedly connected with the inner wall of the limiting seat (22).

6. A filter dust-proof globe valve according to claim 4, wherein A sealing packing is arranged at the connecting position of the valve cover main body (21) and the valve rod (23).

7. A filter dust-proof globe valve according to claim 4, wherein A handle is fixedly connected with the top end of the valve rod (23).