CN219692298U

CN219692298U - Flat gate valve

Info

Publication number: CN219692298U
Application number: CN202320804422.9U
Authority: CN
Inventors: 林发建; 谢秉雄; 陆元权; 夏宜生
Original assignee: Zhejiang Ruibu Flow Control Equipment Co ltd
Current assignee: Zhejiang Ruibu Flow Control Equipment Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-15
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the field of flat gate valves and discloses a flat gate valve, which comprises a body mechanism, wherein the body mechanism comprises a valve body, one end of the valve body is fixedly provided with a first connecting flange, the other end of the valve body is fixedly provided with a second connecting flange, one side of the upper end of the valve body is fixedly provided with a control mechanism, the control mechanism comprises a threaded cylinder, one side of the upper end of the valve body far away from the control mechanism is provided with a filtering mechanism in a penetrating way, and the filtering mechanism comprises a filtering frame. According to the utility model, through the detachable filtering mechanism arranged inside, the blockage of the valve body can be avoided, the disassembly and assembly are convenient, the efficiency of replacing the filter element is improved, waterproof filling is arranged inside the hole formed in the main frame, the lubricant can be added to the threaded rod and the flat gate inside the main frame by using the insertion hole of the injector, the internal abrasion is reduced, the lining is arranged inside the valve body, and the folding sleeve is arranged on the flat gate, so that the service life is finally prolonged.

Description

Flat gate valve

Technical Field

The utility model relates to the field of flat gate valves, in particular to a flat gate valve.

Background

The prior patent (publication number: CN 213744998U) discloses a flat gate valve, which comprises a valve body and a control valve rod, wherein the control valve rod is arranged at the middle position inside the valve body, the dismounting structures are arranged on two sides of the bottom end inside the valve body, a telescopic cavity is formed in the top end inside a filter screen, a telescopic spring is arranged inside the telescopic cavity, a clamping block is arranged on one side of the telescopic spring, and a clamping groove is formed in the inner side wall of the valve body. According to the utility model, the downward pressure is applied to the filter screen, the clamping block can retract into the telescopic cavity under the action of the pressure, when the clamping block moves to the position corresponding to the clamping groove, the telescopic spring recovers elasticity, the clamping block is sprung into the clamping groove, the installation work of the filter screen is completed, the filter screen is pulled to clamp and separate the clamping block from the clamping groove after the use time is long, the work efficiency of the filter screen is greatly reduced due to excessive impurities, and the work efficiency is improved. "

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. after the clamping blocks are sprung into the clamping grooves to finish the installation work of the filter screen, the tightness between the filter screen and the valve body is poor, so that the valve body is likely to leak; 2. the knife and the inner surface of the valve body are not treated and are easy to be corroded by the medium, so that the service life is reduced.

Accordingly, a flat gate valve is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a flat gate valve, which can prevent the inside of a valve body from being blocked by a detachable filtering mechanism arranged inside, is convenient to assemble and disassemble, and improves the efficiency of replacing a filter element.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flat gate valve comprises a body mechanism, wherein the body mechanism comprises a valve body, one end of the valve body is fixedly provided with a first connecting flange, and the other end of the valve body is fixedly provided with a second connecting flange;

a control mechanism is fixedly arranged on one side of the upper end of the valve body, the control mechanism comprises a threaded cylinder, a filtering mechanism is arranged on one side, far away from the control mechanism, of the upper end of the valve body in a penetrating manner, and the filtering mechanism comprises a filtering frame;

through above-mentioned technical scheme, when using this flat gate valve, can drive the flat gate of below and reciprocate when rotating through the hand wheel of top to realize the change to medium passageway circulation, and set up waterproof packing and sealed knot on the main frame can conveniently add the lubricant to inside, thereby improved the life of threaded rod greatly, and be provided with the inside life that has improved the valve body of inside lining at the valve body, still set up filtering mechanism in inside, avoided the jam.

Further, a medium channel is arranged between two sides of the interior of the valve body, and a lining is fixedly arranged on the inner surface of the valve body;

through the technical scheme, the lining is high in stability and good in corrosion resistance, so that a medium channel is protected, and the service life of the valve body is prolonged.

Further, a first waterproof pad is embedded into one side of the lower end of the inner surface of the valve body, and a second waterproof pad is embedded into one side of the lower end of the inner surface of the valve body away from the first waterproof pad;

through above-mentioned technical scheme, the leakproofness after the first waterproof pad can improve the flat gate closure, and the leakproofness after the filter mechanism installation and inside can be improved to the second waterproof pad.

Further, the upper end of the threaded cylinder is fixedly provided with a lifting column, the upper end of the lifting column is fixedly provided with a hand wheel, and the outer surface of the column body of the lifting column is rotatably sleeved with a main frame;

through the technical scheme, when the hand wheel rotates on the main frame, the lifting column and the threaded cylinder can be driven to rotate.

Further, waterproof filling is fixedly arranged on one side of the inside of the main frame, and sealing buckles are arranged on one side of the main frame close to the waterproof filling through threads;

through the technical scheme, the injector can be used for inserting waterproof filling to add lubricant into the threaded rod, so that the service life of the threaded rod is prolonged.

Further, a threaded rod is sleeved in the threaded cylinder, a flat gate is fixedly arranged at the lower end of the threaded rod, limiting blocks are fixedly arranged at the lower ends of two sides of the flat gate, and folding sleeves are fixedly sleeved at two sides of the flat gate;

through above-mentioned technical scheme for the threaded rod can drive the flat gate of below and reciprocate, realizes opening and shutting, and the folding cover on the flat gate can improve life.

Further, an upper rotating rod is sleeved on the inner part of the filter frame by an upper end thread, a fixing nut is fixedly arranged on the upper rotating rod, an upper sealing plate is sleeved on the outer surface of the fixing nut in a rotating mode, a soft rubber pad is rotatably arranged at the lower end of the upper rotating rod, a lower connecting column is fixedly arranged at the lower end of the soft rubber pad, a filter bag is fixedly arranged at the lower end of the lower connecting column, and a filter element is arranged in the filter bag in a clamping mode;

through above-mentioned technical scheme, when rotating fixation nut, can drive the last dwang of below and rotate, go up the soft rubber pad of dwang drive below and lower spliced pole and descend this moment to at the in-process of descending, go up dwang and lower spliced pole can extrude soft rubber pad, make soft rubber pad extrude on the filter frame inner wall, thereby improved the leakproofness greatly.

Further, a folding plate is hinged in the middle of the upper end of the upper sealing plate, and the two sides of the upper sealing plate are provided with unfolding grooves;

through above-mentioned technical scheme, when dismantling filtering mechanism, the accessible expansion slot is opened the folding plate on both sides and is overlapped together to can be after unclamping the dwang with the filter bag of inside through the folding plate.

The utility model has the following beneficial effects:

1. according to the flat gate valve provided by the utility model, the detachable filter mechanism is arranged inside the flat gate valve, so that the internal blockage of the valve body is avoided, and during installation, the soft rubber pad is extruded by the upper rotating rod and the lower connecting column, so that the soft rubber pad can be extruded to the opening of the inner wall of the filter frame, the tightness of the filter mechanism after installation is greatly improved, and during the disassembly, the filter bag inside the flat gate valve can be lifted out by pulling the folding plates on two sides, so that the replacement performance efficiency is greatly improved.

2. According to the flat gate valve provided by the utility model, the waterproof filling is arranged in the hole formed in the main frame, and the lubricant can be added into the threaded rod and the flat gate in the main frame by using the insertion hole of the injector, so that the abrasion is reduced, the service life of the valve is prolonged, the inner lining is arranged in the valve body, and the service life of the valve is further prolonged by arranging the folding sleeve on the flat gate.

Drawings

FIG. 1 is an axial schematic view of a flat gate valve according to the present utility model;

FIG. 2 is a schematic front sectional view of a flat gate valve according to the present utility model;

FIG. 3 is a schematic front sectional view of a flat gate valve filter mechanism according to the present utility model;

fig. 4 is an enlarged view of a flat gate valve according to the present utility model.

Legend description:

1. a first connection flange; 2. a body mechanism; 3. a control mechanism; 4. a second connection flange; 5. a filtering mechanism; 201. a media channel; 202. a first waterproof pad; 203. a lining; 204. a valve body; 205. a second waterproof pad; 301. a main frame; 302. a flat gate; 303. folding the sleeve; 304. a limiting block; 305. a threaded rod; 306. waterproof filling; 307. sealing buckles; 308. a thread cylinder; 309. lifting columns; 310. a hand wheel; 501. a filter frame; 502. a filter bag; 503. a filter element; 504. a lower connecting column; 505. a soft rubber pad; 506. an upper rotating rod; 507. a fixing nut; 508. an upper sealing plate; 509. a folding plate; 510. and (5) expanding the slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1-4, one embodiment provided by the present utility model is: the flat gate valve comprises a body mechanism 2, wherein the body mechanism 2 comprises a valve body 204, one end of the valve body 204 is fixedly provided with a first connecting flange 1, the other end of the valve body 204 is fixedly provided with a second connecting flange 4, and the valve can be mounted on a control pipeline through the first connecting flange 1 and the second connecting flange 4;

the control mechanism 3 is fixedly arranged on one side of the upper end of the valve body 204, the control mechanism 3 comprises a threaded cylinder 308, the opening and closing of the flat gate 302 can be controlled through the control mechanism 3, the filtering mechanism 5 is arranged on one side of the upper end of the valve body 204 away from the control mechanism 3 in a penetrating way, the filtering mechanism 5 comprises a filtering frame 501, and after the filtering mechanism 5 filters the medium flowing through the medium channel 201, the blocking of the inside of the valve body 204 is avoided;

when the flat gate valve is used, the lower flat gate 302 can be driven to move up and down when the upper hand wheel 310 rotates, so that the change of the flow of the medium channel 201 is realized, the waterproof filler 306 and the sealing buckle 307 are arranged on the main frame 301, and the lubricant can be conveniently added into the main frame, so that the service life of the threaded rod 305 is greatly prolonged, the inner lining 203 is arranged in the valve body 204, the service life of the valve body 204 is prolonged, and the filter mechanism 5 is also arranged in the valve body, so that the blockage is avoided.

The medium channel 201 is arranged between two sides of the valve body 204, the inner surface of the valve body 204 is fixedly provided with the liner 203, the liner 203 is high in stability and good in corrosion resistance, the medium channel 201 is protected, the service life of the valve body 204 is prolonged, the first waterproof pad 202 is embedded into one side of the lower end of the inner surface of the valve body 204, the second waterproof pad 205 is embedded into one side, far away from the first waterproof pad 202, of the lower end of the inner surface of the valve body 204, the sealing performance of the flat gate 302 after being closed can be improved by the first waterproof pad 202, and the sealing performance of the filter mechanism 5 after being installed and the inside can be improved by the second waterproof pad 205.

The lifting column 309 is fixedly arranged at the upper end of the threaded cylinder 308, the hand wheel 310 is fixedly arranged at the upper end of the lifting column 309, the main frame 301 is sleeved on the outer surface of the column body of the lifting column 309 in a rotating mode, when the hand wheel 310 rotates on the main frame 301, the lifting column 309 and the threaded cylinder 308 can be driven to rotate, waterproof filler 306 is fixedly arranged on one side of the inner portion of the main frame 301, sealing buckles 307 are arranged on the threads of the portion, close to the waterproof filler 306, of the main frame 301, a syringe can be used for inserting the waterproof filler 306 to add lubricant into the threaded rod 305, the service life of the threaded rod 305 is prolonged, the threaded rod 305 is sleeved with the inner threads of the threaded cylinder 308, the flat gate 302 is fixedly arranged at the lower end of the threaded rod 305, limiting blocks 304 are fixedly arranged at the lower ends of the two sides of the flat gate 302, and folding sleeves 303 are fixedly sleeved on the two sides of the flat gate 302, so that the threaded rod 305 can drive the flat gate 302 to move up and down, and the folding sleeves 303 on the flat gate 302 can improve the service life.

The filter frame 501 is internally provided with an upper rotating rod 506 by means of an upper end thread sleeve, the upper rotating rod 506 is fixedly provided with a fixing nut 507, an outer surface of the fixing nut 507 is rotationally sleeved with an upper sealing plate 508, the lower end of the upper rotating rod 506 is rotationally provided with a soft rubber pad 505, the lower end of the soft rubber pad 505 is fixedly provided with a lower connecting column 504, the lower end of the lower connecting column 504 is fixedly provided with a filter bag 502, the filter bag 502 is internally clamped and provided with a filter core 503, when the fixing nut 507 is rotated, the lower upper rotating rod 506 can be driven to rotate, at the moment, the upper rotating rod 506 drives the lower soft rubber pad 505 and the lower connecting column 504 to descend, and in the descending process, the upper rotating rod 506 and the lower connecting column 504 can squeeze the soft rubber pad 505, so that the soft rubber pad 505 is extruded on the inner wall of the filter frame 501, the tightness is greatly improved, the middle of the upper sealing plate 508 is hinged with a folding plate 509, two sides of the upper sealing plate 508 are provided with a spreading groove 510, when the filter mechanism 5 is dismounted, the folding plates 509 on two sides can be overlapped together through the spreading groove 510, and the inside of the filter bag 509 can be lifted out through the folding plate 509 after the upper rotating rod 506 is loosened.

Working principle: when the flat valve is used, the valve can be firstly installed on a pipeline to be controlled through the first connecting flange 1 and the second connecting flange 4, then the lower flat gate 302 is controlled through the hand wheel 310 above in a rotating manner to control the flow, when the filter element 503 is replaced, the upper rotating rod 506 is driven by the fixing nut 507 to rotate out of the filter frame 501, the folding plates 509 on two sides are opened and overlapped through the unfolding grooves 510, the folding plates 509 are pulled to lift the filter bag 502 inside to replace the filter element 503, then the upper rotating rod 506 is driven by the fixing nut 507, the soft rubber pad 505 below and the lower connecting post 504 are driven to descend, and in the descending process, the soft rubber pad 505 is extruded by the upper rotating rod 506 and the lower connecting post 504, so that the soft rubber pad 505 is extruded on the inner wall of the filter frame 501, and the sealing performance is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a flat gate valve, includes body mechanism (2), its characterized in that: the body mechanism (2) comprises a valve body (204), wherein a first connecting flange (1) is fixedly arranged at one end of the valve body (204), and a second connecting flange (4) is fixedly arranged at the other end of the valve body (204);

the novel valve is characterized in that a control mechanism (3) is fixedly arranged on one side of the upper end of the valve body (204), the control mechanism (3) comprises a threaded cylinder (308), a filtering mechanism (5) is arranged on one side, far away from the control mechanism (3), of the upper end of the valve body (204) in a penetrating mode, and the filtering mechanism (5) comprises a filtering frame (501).

2. A flat gate valve according to claim 1, wherein: a medium channel (201) is arranged between two sides of the interior of the valve body (204), and a lining (203) is fixedly arranged on the inner surface of the valve body (204).

3. A flat gate valve according to claim 1, wherein: the waterproof valve is characterized in that a first waterproof pad (202) is embedded into one side of the lower end of the inner surface of the valve body (204), and a second waterproof pad (205) is embedded into one side, far away from the first waterproof pad (202), of the lower end of the inner surface of the valve body (204).

4. A flat gate valve according to claim 1, wherein: lifting columns (309) are fixedly arranged at the upper ends of the threaded cylinders (308), hand wheels (310) are fixedly arranged at the upper ends of the lifting columns (309), and main frames (301) are sleeved on the outer surfaces of the columns of the lifting columns (309) in a rotating mode.

5. The flat gate valve as claimed in claim 4, wherein: waterproof filler (306) is fixedly arranged on one side of the inside of the main frame (301), and sealing buckles (307) are arranged on one side of the main frame (301) close to the waterproof filler (306) in a threaded mode.

6. A flat gate valve according to claim 1, wherein: threaded rod (305) is equipped with to screw tube (308) inside thread bush, threaded rod (305) lower extreme is fixed to be provided with flat gate (302), flat gate (302) both sides are close to the lower extreme and are all fixed to be provided with stopper (304), flat gate (302) both sides are all fixed the cover and are equipped with folding cover (303).

7. A flat gate valve according to claim 1, wherein: the filter frame is characterized in that an upper rotating rod (506) is arranged inside the filter frame (501) by means of an upper end thread bush, a fixing nut (507) is fixedly arranged on the upper rotating rod (506), an upper sealing plate (508) is arranged on the outer surface of the fixing nut (507) in a rotating mode, a soft rubber pad (505) is arranged at the lower end of the upper rotating rod (506) in a rotating mode, a lower connecting column (504) is fixedly arranged at the lower end of the soft rubber pad (505), a filter bag (502) is fixedly arranged at the lower end of the lower connecting column (504), and a filter element (503) is arranged in the filter bag (502) in a clamping mode.

8. The flat gate valve of claim 7, wherein: the middle of the upper end of the upper sealing plate (508) is hinged with a folding plate (509), and both sides of the upper sealing plate (508) are provided with unfolding grooves (510).