CN212080187U - Direct-flow channel filtering and stopping multifunctional valve - Google Patents
Direct-flow channel filtering and stopping multifunctional valve Download PDFInfo
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- CN212080187U CN212080187U CN202020575788.XU CN202020575788U CN212080187U CN 212080187 U CN212080187 U CN 212080187U CN 202020575788 U CN202020575788 U CN 202020575788U CN 212080187 U CN212080187 U CN 212080187U
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Abstract
The utility model relates to a direct current channel filtering and stopping multifunctional valve, which comprises a direct current channel type valve body, wherein a valve rod passes through a guide hole at the upper end of the valve body and is fixedly connected with a valve clack in the valve body through a locking nut, and a filler is filled between the guide groove and the valve rod and is tightly pressed and sealed through a filler gland; the valve clack is a conical surface with the size increasing from top to bottom, and the conical surface can seal the flow opening of the valve body; the outer side of the valve rod extending out of the guide hole is provided with a support, the side surface of the support is provided with a positioning screw for guiding the valve rod, and the support is fixed at the upper end of the valve body through a nut and a bolt; the lower end of the valve rod is matched with the valve cover in a guiding direction; the valve rod drives the valve clack to move up and down relative to the guide hole to open and close the valve clack. The utility model discloses a valve clack of valve adopts the conical surface sealed, makes the medium particulate matter can not stop on sealed face, is equipped with the filter screen in the valve body inner chamber, sets up the blowdown valve port on the valve gap and connects the blowoff valve, makes things convenient for the medium to filter, protection pipeline.
Description
Technical Field
The utility model relates to a valve body field especially relates to direct current passageway filters by multi-functional valve.
Background
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. When the medium flows, some medium impurities are more, and the medium is abraded to the pipeline when flowing, so that the service life is shortened. And the valve rod has less guide positions, and is easy to deform under the long-term action of a medium, so that the sealing property is reduced, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
To the defect that above-mentioned prior art exists, the utility model aims to solve the technical problem that a valve can be done and cut off and can filtering medium and valve rod stability be strong again is provided.
The utility model provides a technical scheme of above-mentioned technical problem is: the direct-flow channel filtering stop multifunctional valve comprises a direct-flow channel type valve body, wherein a valve cover is fixed at the lower end of the valve body in a sealing manner through nuts and bolts; a valve rod is arranged in the valve body, the valve rod penetrates through a guide hole in the upper end of the valve body and is fixedly connected with a valve clack in the valve body through a locking nut, and packing is filled between the valve rod and the guide hole and is compressed and sealed through a packing gland; the valve clack is a conical surface with the size increased from top to bottom, and the conical surface can seal the flow opening of the valve body; the outer side of the valve rod extending out of the guide hole is provided with a support, the side surface of the support is provided with a positioning screw for guiding the valve rod, and the support is fixed at the upper end of the valve body through a nut B and a bolt B; the valve rod drives the valve clack to move up and down relative to the guide hole to open and close the valve clack.
A valve rod nut is arranged in the support, and trapezoidal threads matched with the valve rod nut are arranged on the valve rod; the upper end and the lower end of the valve rod nut are provided with plane bearings, the upper end of the valve rod nut is provided with a bearing gland, and the upper end of the valve rod nut is fixedly connected with a hand wheel through a hand wheel nut; an oil nozzle is arranged on the outer side of the valve rod nut; the rotating valve rod nut drives the valve rod to move up and down through the guide of the positioning screw.
The valve rod adopts right-handed trapezoidal threads, and a valve rod nut is rotated by a manual or other driving device so as to move up and down; the valve clack is closed by clockwise rotating the valve rod nut, and the valve clack is opened by anticlockwise rotating the valve rod nut.
And hard alloy and alloy steel are welded on the sealing surface of the valve body.
The valve clack adopts an integral forging structure, and hard alloy or welding alloy steel is welded on a sealing surface.
A cylindrical filter screen is arranged on the periphery corresponding to the movable track of the valve clack, and the filter screen is fixed in the inner cavity of the valve body to filter a medium flowing through the inner cavity; a drain outlet is arranged on the valve cover in the filter screen and is connected with a drain valve at the lower end of the valve cover; a middle path pad is arranged between the valve body and the valve cover and is arranged between the protrusion of the valve cover and the groove corresponding to the valve body.
The valve comprises a valve clack, a valve rod guide sleeve, a valve rod extending part and a valve cover, wherein the valve rod is arranged on the valve cover, the valve rod guide sleeve is matched with the valve rod, the valve rod guide sleeve is upwards opened, the lower end of the valve clack is provided with the valve rod extending part, and the valve rod extending part extends into the valve rod guide sleeve to.
The utility model discloses for prior art's beneficial effect: the utility model discloses a valve body adopts direct runner type, welds carbide and alloy steel on the sealed face of valve body, and is wear-resisting corrosion-resistant. The valve clack adopts conical surface sealing, so that medium particles can not stay on a sealing surface, the valve clack adopts an integral forging structure, and a welding process of wear resistance and erosion resistance is adopted, wherein hard alloy or welding alloy steel is welded on the sealing surface. The filter screen is arranged in the inner cavity of the valve body, and the valve cover is provided with a sewage discharge valve port connected with the sewage discharge valve, so that the medium filtration is facilitated and the pipeline is protected. The valve rod guide sleeve is provided with a guide hole, so that the valve rod can ascend or descend on a straight line, and the valve rod is more stable. The valve structure and the filter structure are combined together, so that the valve structure is compact and convenient to operate, can achieve the aims of saving multifunctional cost such as stopping and filtering, and is low in comprehensive cost.
Drawings
Fig. 1 is a schematic view of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments, and all similar structures and similar variations thereof adopted by the present invention should be included in the protection scope of the present invention.
As shown in fig. 1, the direct flow passage filtering stop multifunctional valve provided by the embodiment of the present invention includes a straight flow passage type valve body 7, and a sealing surface of the valve body 7 is welded with hard alloy and alloy steel. The valve cover 2 is hermetically fixed at the lower end of the valve body 7 through a nut 3 and a bolt 4; the valve body 7 is provided with a valve rod 10, the valve rod 10 penetrates through a guide hole in the upper end of the valve body 7 and is fixedly connected with a valve clack 8 in the valve body 7 through a locking nut 9, the valve clack 8 is of an integrally forged structure, and hard alloy or welding alloy steel is welded on a sealing surface. Packing 11 is filled between the guide hole and the valve rod 10 and is compressed and sealed through a packing gland 12; the valve clack 8 is a conical surface with the size increasing from top to bottom, and the conical surface can seal the flow opening of the valve body 7; a support 15 is arranged on the outer side of the valve rod 10 extending out of the guide hole, a positioning screw 16 for guiding the valve rod is arranged on the side surface of the support 15, and the support 15 is fixed at the upper end of the valve body 7 through a nut 14 and a bolt 15; the valve rod 10 drives the valve flap 9 to move up and down relative to the guide slot to open and close the valve flap 8.
A valve rod nut 18 is arranged in the support 15, and trapezoidal threads matched with the valve rod nut 18 are arranged on the valve rod 10; the upper end and the lower end of the valve rod nut 18 are provided with plane bearings 17, the upper end of the valve rod nut 18 is provided with a bearing gland 20, and the upper end of the valve rod nut 18 is fixedly connected with a hand wheel 21 through a hand wheel nut 22; an oil nozzle 19 is arranged on the outer side of the valve rod nut 18; the rotating valve rod nut 18 drives the valve rod 10 to move up and down through the guide of the positioning screw.
The valve rod 10 adopts right-handed trapezoidal threads, and a manual or other driving device rotates the valve rod nut 18 so as to move the valve rod up and down; the valve flap 9 is closed by rotating the stem nut 18 clockwise, and the valve flap 9 is opened by rotating the stem nut 18 counterclockwise.
A cylindrical filter screen 6 is arranged on the periphery corresponding to the movable track of the valve clack 9, and the filter screen 6 is fixed in the inner cavity of the valve body 7 to filter media flowing through the inner cavity; a sewage discharge outlet is arranged on the valve cover 2 in the filter screen 6 and is connected with a sewage discharge valve 1 at the lower end of the valve cover 2; a middle pad 5 is arranged between the valve body 7 and the valve cover 2, and the middle pad 5 is arranged between a protrusion of the valve cover 2 and a groove corresponding to the valve body 7.
The valve cover 2 is provided with a guide sleeve matched with the guide valve rod, the guide sleeve of the valve rod is opened upwards, the lower end of the valve clack 8 is provided with a valve rod extending part, and the valve rod extending part extends into the guide sleeve of the valve rod to enable the valve rod 10 to ascend or descend in a straight line.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (7)
1. Direct current passageway filters and ends multi-functional valve, including direct runner type valve body (7), its characterized in that: the valve cover (2) is hermetically fixed at the lower end of the valve body (7) through a nut (3) and a bolt (4); a valve rod (10) is arranged in the valve body (7), the valve rod (10) penetrates through a guide hole in the upper end of the valve body (7) and is fixedly connected with a valve clack (8) in the valve body (7) through a locking nut (9), and a packing (11) is filled between the valve rod (10) and the guide hole and is compressed and sealed through a packing gland (12); the valve clack (8) is a conical surface with the size increasing from top to bottom, and the conical surface can seal a flow opening of the valve body (7); a support (15) is arranged on the outer side of the valve rod (10) extending out of the guide hole, a positioning screw (16) guided by the valve rod (10) is arranged on the side surface of the support (15), and the support (15) is fixed at the upper end of the valve body (7) through a nut B (14) and a bolt B (13); the valve rod (10) drives the valve clack (8) to move up and down relative to the guide hole to open and close the valve clack (8).
2. The direct flow path filter shutoff multifunction valve of claim 1, wherein: a valve rod nut (18) is installed in the support (15), and trapezoidal threads matched with the valve rod nut (18) are arranged on the valve rod (10); the upper end and the lower end of the valve rod nut (18) are provided with plane bearings (17), the upper end of the valve rod nut (18) is provided with a bearing gland (20), and the upper end of the valve rod nut (18) is fixedly connected with a hand wheel (21) through a hand wheel nut (22); an oil nozzle (19) is arranged on the outer side of the valve rod nut (18); the valve rod (10) is driven to move up and down by rotating the valve rod nut (18) through the guide of the positioning screw (16).
3. The direct flow path filter shutoff multifunction valve of claim 2, wherein: the valve rod (10) adopts right-handed trapezoidal threads, and the manual driving device rotates a valve rod nut (18) so as to enable the valve rod to move up and down; the valve clack (8) is closed by clockwise rotating the valve rod nut (18), and the valve clack (8) is opened by anticlockwise rotating the valve rod nut (18).
4. The direct flow path filter cutoff multifunctional valve according to any of claims 1-3, wherein: and hard alloy and alloy steel are welded on the sealing surface of the valve body (7).
5. The direct flow path filter cutoff multifunctional valve according to any of claims 1-3, wherein: the valve clack (8) adopts an integral forging structure, and hard alloy or welding alloy steel is welded on a sealing surface.
6. The direct flow path filter cutoff multifunctional valve according to any of claims 1-3, wherein: a cylindrical filter screen (6) is arranged on the periphery of the valve clack (8) corresponding to the movable track, and the filter screen (6) is fixed in the inner cavity of the valve body (7) to filter media flowing through the inner cavity; a sewage draining outlet is arranged on the valve cover (2) in the filter screen (6), and is connected with a sewage draining valve (1) at the lower end of the valve cover (2); be equipped with well way pad (5) between valve body (7) and valve gap (2), well way pad (5) set up between the recess that the arch of valve gap (2) and valve body (7) correspond.
7. The direct flow path filter cutoff multifunctional valve according to any of claims 1-3, wherein: the valve is characterized in that a guide sleeve matched with the valve rod (10) is arranged on the valve cover (2), the valve rod guide sleeve is upwards opened, a valve rod extending part is arranged at the lower end of the valve clack (8), and the valve rod extending part extends into the valve rod guide sleeve to enable the valve rod (10) to ascend or descend in a straight line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020575788.XU CN212080187U (en) | 2020-04-17 | 2020-04-17 | Direct-flow channel filtering and stopping multifunctional valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020575788.XU CN212080187U (en) | 2020-04-17 | 2020-04-17 | Direct-flow channel filtering and stopping multifunctional valve |
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CN212080187U true CN212080187U (en) | 2020-12-04 |
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CN202020575788.XU Active CN212080187U (en) | 2020-04-17 | 2020-04-17 | Direct-flow channel filtering and stopping multifunctional valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117450275A (en) * | 2023-11-30 | 2024-01-26 | 良固阀门集团股份有限公司 | Liquefied gas stop valve with clearance detects cavity function |
-
2020
- 2020-04-17 CN CN202020575788.XU patent/CN212080187U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117450275A (en) * | 2023-11-30 | 2024-01-26 | 良固阀门集团股份有限公司 | Liquefied gas stop valve with clearance detects cavity function |
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