CN220248951U

CN220248951U - Butterfly valve with filtering mechanism

Info

Publication number: CN220248951U
Application number: CN202321699685.4U
Authority: CN
Inventors: 占国友; 卢晋文
Original assignee: Zhejiang Guocheng Fluid Technology Co ltd
Current assignee: Zhejiang Guocheng Fluid Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-26
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a butterfly valve with a filtering mechanism, which relates to the technical field of valves and comprises a valve body, wherein one side of the valve body is connected with a valve inlet pipe, the other side of the valve body is connected with a valve discharge pipe, one end, close to the valve body, of the valve discharge pipe is fixedly provided with a funnel-shaped cylinder, one end, far away from the valve body, of the funnel-shaped cylinder is fixedly provided with an inner cylinder, the outer part of the inner cylinder is sleeved with a sleeve with matched size, one end, far away from the funnel-shaped cylinder, of the sleeve is connected with a main frame, one end, far away from the sleeve, of the main frame is connected with an auxiliary frame, the sleeve, the main frame and the auxiliary frame are communicated, filter screens are arranged on the side walls, far away from the sleeve, of the main frame and the auxiliary frame, and after the valve body is closed, a large amount of liquid is contained in the valve inlet pipe, but the liquid in the valve body is discharged, and the residual liquid in the valve body is far less than the liquid in the valve inlet pipe.

Description

Butterfly valve with filtering mechanism

Technical Field

The utility model relates to the technical field of valves, in particular to a butterfly valve with a filtering mechanism.

Background

The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media.

According to the application number CN212440250U, after water is supplied to the water supply pipe, a driving motor is started, a driving bevel gear is driven to rotate by a driving rotating shaft, a driven bevel gear meshed with the driving bevel gear drives a rotating rod to rotate simultaneously under the connection of a rotating groove and a rotating plate, water is stirred by a stirring piece, clear water passes through a filter screen body and passes through a butterfly valve body, and crushed materials are filtered, after water supply is finished, the crushed materials deposited in a filter shell can be driven by an electric push rod to push a material pushing plate to move rightwards to push the crushed materials to a blow-off pipe for discharging, when the sieve holes of the filter screen body are blocked after long-term use, a sealing plate can be lifted upwards, a sliding block slides in a sliding frame, and then the filter screen body is pulled out for cleaning and then is inserted back, the butterfly valve with the crushed material filtering mechanism is reasonable in structural design, the butterfly valve is convenient to use, foreign materials in a pipeline are prevented from entering a mechanical pump through the butterfly valve, the damage of the mechanical pump is prevented, the service life is prolonged, and the multi-azimuth use requirement is met "

The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme:

1. the filter mechanism is arranged at the position of the discharge pipe for filtering, but when the butterfly valve is closed, the liquid in the discharge pipe is full or nearly full, when the butterfly valve needs to be cleaned, the pipeline must be opened, and when the butterfly valve is opened, the liquid in the butterfly valve overflows from the exposed position, so that the trouble is brought to cleaning work, and the work for cleaning sundries is more complicated;

2. the device filters broken impurities in liquid by arranging the driving mechanism, the whole mechanism is complex, no small trouble is brought to early installation and later maintenance, meanwhile, the water feeding pipe, the sewage discharging pipe and the rotating rod are all internally and externally communicated, sealing elements are required to be added for sealing treatment when the device is connected with the water discharging pipe, and the arrangement of sealing assemblies at a plurality of positions means that the later position has the possibility of leakage.

The application has no effects of simple function, convenient later maintenance and convenient cleaning and filtering of crushed objects.

Disclosure of Invention

The utility model mainly aims to provide a butterfly valve with a filtering mechanism, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the butterfly valve with the filtering mechanism comprises a valve body, valve inlet pipe is connected with valve body one side, the opposite side of valve body is connected with valve calandria, the inside one end that is close to the valve body of valve calandria is fixed with a funnel section of thick bamboo, the one end that the valve body was kept away from to the funnel section of thick bamboo is fixed with the inner tube, the outside cover of inner tube is equipped with size assorted sleeve, the one end that the funnel section of thick bamboo was kept away from to the sleeve is connected with the main frame, the one end that the sleeve was kept away from to the main frame is connected with the subframe, sleeve, main frame, subframe are inside to be kept away from on telescopic lateral wall all to install the filter screen, the valve body is located the top of main frame position and has the cavity, the inside of cavity is inlayed and is equipped with the protruding lid, the outer wall that the valve body is located the cavity both sides and protruding lid outer wall both ends all are fixed with otic placode one, mutually perpendicular two all be provided with a plurality of bolts between the otic placode one, and mutually perpendicular two can dismantle through the bolt between the otic placode one and be connected.

Preferably, a sealing gasket is embedded in the concave cavity, and the bottom of the convex cover is contacted with the top of the sealing gasket.

Preferably, the inner diameter of the sleeve is matched to the outer diameter of the inner barrel.

Preferably, the funnel-shaped cylinder is far away from both ends of the side wall of the inner cylinder and both ends of the outer wall of the sleeve, two screws are inserted into the two lugs at the sleeve position, the two lugs at the funnel-shaped cylinder position are fixedly provided with internal thread cylinders, and one ends of the internal thread cylinders penetrating through the two lugs are respectively connected with the screws matched with the two lugs in position in a threaded mode after penetrating through the two lugs.

Preferably, a ring plate is fixed on the outer wall of the funnel-shaped cylinder, which is close to one end of the inner cylinder, and a sealing ring I with matched size is fixed on one side, which is far away from the valve body, of the ring plate.

Preferably, one end of the sleeve, which is close to the first sealing ring, is fixed with a second sealing ring with matched size, and the second sealing ring is contacted with the side wall, which is close to the first sealing ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. after the valve body is closed, the valve is closed, a large amount of liquid can be contained in the valve inlet pipe, but the liquid in the valve body can be discharged, and the residual liquid in the valve body is far less than the liquid in the valve inlet pipe.

2. The convex cover can be taken out through the concave cavity through the disassembly of the bolt, only the concave cavity of the whole filtering crushed material is communicated with the outside, the sealing gasket is arranged in the concave cavity between the valve row pipe and the convex cover to achieve sealing, the later leakage probability is reduced, and the trouble of later maintenance is avoided.

3. After the valve body is opened, liquid in the valve inlet pipe enters the funnel-shaped cylinder through the valve body, and then the liquid is accurately guided into the main frame and the auxiliary frame through the inner cylinder at one end of the valve body, and the main frame and the auxiliary frame are used for filtering crushed materials in the liquid through the filter screen arranged on the side wall, so that the valve inlet pipe is simple in structure, low in cost, good in effect of filtering the crushed materials, high in practicability and convenient for later maintenance work.

4. The sleeve is arranged on the inner cylinder, so that liquid can be conveniently and accurately discharged into the main frame, the threaded connection of the screw and the internal thread cylinder achieves the effect of convenient disassembly and assembly, meanwhile, the stability of the main frame and the auxiliary frame in filtering crushed materials is also improved, when the sleeve is arranged on the inner cylinder, the second sealing ring on the side wall of the sleeve can be contacted with the first sealing ring on the side wall of the ring plate, the tightness of the sleeve and the inner cylinder after the sleeve is sleeved is improved, and liquid is prevented from seeping out from gaps between the sleeve and the inner cylinder when the liquid is not filtered.

Drawings

FIG. 1 is a schematic view of the internal structure of a butterfly valve with a filter mechanism of the present utility model;

FIG. 2 is a schematic view of the structure of the butterfly valve sleeve with the filter mechanism, the main frame and the auxiliary frame;

FIG. 3 is a schematic view of the structure between the valve gauntlet and the inner cylinder of the butterfly valve with filter mechanism of the present utility model;

fig. 4 is a schematic view of the structure of the butterfly valve with the filter mechanism of the present utility model when the male cover is separated from the hair extension pipe.

In the figure: 1. a valve body; 2. a valve inlet pipe; 3. a valve row pipe; 4. a sleeve; 5. a main frame; 6. a subframe; 7. a filter screen; 8. a cavity; 9. a sealing gasket; 10. a protruding cover; 11. an ear plate I; 12. a bolt; 13. an inner cylinder; 14. an ear plate II; 15. an internal thread cylinder; 16. a screw; 17. a ring plate; 18. a first sealing ring; 19. a second sealing ring; 20. a funnel-shaped cylinder.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a butterfly valve with a filtering mechanism comprises a valve body 1, one side of the valve body 1 is connected with a valve inlet pipe 2, the other side of the valve body 1 is connected with a valve drain pipe 3, one end, close to the valve body 1, of the valve drain pipe 3 is fixedly provided with a funnel-shaped cylinder 20, one end, far away from the valve body 1, of the funnel-shaped cylinder 20 is fixedly provided with an inner cylinder 13, a sleeve 4 matched with the inner cylinder 13 in size is sleeved outside, one end, far away from the funnel-shaped cylinder 20, of the sleeve 4 is connected with a main frame 5, one end, far away from the sleeve 4, of the main frame 5 is connected with a sub-frame 6, the sleeve 4, the main frame 5 and the sub-frame 6 are communicated, filter screens 7 are arranged on side walls, far away from the sleeve 4, of the main frame 5 and the sub-frame 6 are arranged in a cavity 8, a concave cavity 8 is cut above the position of the valve body 1, convex covers 10 are embedded in the cavity 8, two outer walls, which are positioned on two sides of the cavity 8, of the valve body 1, two lug plates 11 are fixedly provided with a plurality of bolts 12, and two lug plates 11 are detachably connected through the bolts 12 between the two lug plates 11.

Specifically, the sealing gasket 9 is embedded in the concave cavity 8, the bottom of the convex cover 10 is contacted with the top of the sealing gasket 9, and the tightness of the connection between the convex cover 10 and the concave cavity 8 is ensured.

Specifically, the inner diameter of the sleeve 4 is matched with the outer diameter of the inner cylinder 13, so that liquid is prevented from seeping out between the two.

Specifically, the two ends of the side wall of the funnel-shaped cylinder 20 far away from the inner cylinder 13 and the two ends of the outer wall of the sleeve 4 are respectively fixed with two lug plates 14, two screw rods 16 are respectively inserted on the two lug plates 14 at the position of the sleeve 4, the two lug plates 14 at the position of the funnel-shaped cylinder 20 are respectively fixed with an internal thread cylinder 15, one end of the internal thread cylinder 15 penetrating through the two lug plates 14 is respectively penetrated with the screw rods 16 matched with the position and then is in threaded connection, and stability when crushed objects in liquid are filtered by the main frame 5 and the auxiliary frame 6 through the filter screen 7 is improved.

Specifically, a ring plate 17 is fixed on the outer wall of the funnel-shaped cylinder 20, which is close to one end of the inner cylinder 13, a first sealing ring 18 with matched size is fixed on one side, which is far away from the valve body 1, of the ring plate 17, a second sealing ring 19 with matched size is fixed on one end, which is close to the first sealing ring 18, of the sleeve 4, and the second sealing ring 19 is contacted with the side wall, which is close to the first sealing ring 18, of the sleeve 4, so that the tightness is improved when the sleeve is sleeved with the inner cylinder 13.

Working principle: when the valve body 1 is closed, a large amount of liquid is contained in the valve inlet pipe 2, but the liquid in the valve body 1 can be discharged, the residual liquid in the valve body 1 is far smaller than the liquid in the valve inlet pipe 2, the filtering structure is arranged in the valve inlet pipe 2, the problem that excessive liquid overflows can not occur even when filtered crushed materials are cleaned, the convex cover 10 can be taken out through the concave cavity 8 through the disassembly of the bolts 12, only the part of the whole filtered crushed materials is communicated with the outside through the concave cavity 8, the sealing is achieved through the sealing gasket 9 arranged in the concave cavity 8 between the valve drain pipe 3 and the convex cover 10, the probability of later leakage is reduced, the trouble is avoided to later maintenance work, after the valve body 1 is opened, the liquid in the valve inlet pipe 2 enters the funnel-shaped cylinder 20 through the valve body 1, the inner cylinder 13 at one end of the sleeve is accurately guided into the main frame 5 and the auxiliary frame 6, the main frame 5 and the auxiliary frame 6 are used for filtering crushed objects in liquid through the filter screen 7 arranged on the side wall, the structure is simple, the cost is low, the effect of filtering the crushed objects is good, the practicability is high, the later maintenance work is convenient, the sleeve 4 is sleeved on the inner cylinder 13, the liquid is accurately discharged into the main frame 5, the threaded connection of the screw 16 and the internal thread cylinder 15 achieves the effect of convenient disassembly, the stability of the main frame 5 and the auxiliary frame 6 in filtering the crushed objects is improved, the sleeve 4 is sleeved on the inner cylinder 13, the sealing ring II 19 on the side wall of the sleeve 4 is contacted with the sealing ring I18 on the side wall of the ring plate 17, the sealability of the sleeve 4 and the inner cylinder 13 is increased, and liquid is prevented from seeping out of a gap between the sleeve 4 and the inner cylinder 13 when the liquid is not filtered.

The circuit, the electronic components and the control module are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Butterfly valve with filtering mechanism, including valve body (1), its characterized in that: valve body (1) one side is connected with valve feed pipe (2), the opposite side of valve body (1) is connected with valve calandria (3), the inside one end that is close to valve body (1) of valve calandria (3) is fixed with funnel-shaped section of thick bamboo (20), the one end that valve body (1) was kept away from to funnel-shaped section of thick bamboo (20) is fixed with inner tube (13), the outside cover of inner tube (13) is equipped with size assorted sleeve (4), the one end that funnel-shaped section of thick bamboo (20) was kept away from to sleeve (4) is connected with main frame (5), the one end that sleeve (4) was kept away from to main frame (5) is connected with subframe (6), sleeve (4), main frame (5), subframe (6) communicate with each other, filter screen (7) are all installed on the lateral wall that sleeve (4) were kept away from to main frame (5), the top that valve body (1) is located main frame (5) position is opened to the chisel, the inside of inner tube (13) is inlayed and is equipped with lid (10), the outer wall (8) that are located both sides (8) and two lugs (11) are provided with a plurality of perpendicular to each other between two lugs (11), and two perpendicular ear plates (11) are detachably connected through bolts (12).

2. The butterfly valve with a filter mechanism of claim 1, wherein: the inner part of the concave cavity (8) is embedded with a sealing gasket (9), and the bottom of the convex cover (10) is contacted with the top of the sealing gasket (9).

3. The butterfly valve with a filter mechanism of claim 1, wherein: the inner diameter size of the sleeve (4) is matched with the outer diameter size of the inner cylinder (13).

4. The butterfly valve with a filter mechanism of claim 1, wherein: the utility model discloses a high-speed screw feeder, including inner tube (13) and sleeve (4), funnel-shaped section of thick bamboo (20) keep away from lateral wall both ends and the outer wall both ends of inner tube (13) all are fixed with otic placode two (14), all insert on otic placode two (14) of sleeve (4) position and be equipped with two screw rods (16), all be fixed with on otic placode two (14) of funnel-shaped section of thick bamboo (20) position internal thread section of thick bamboo (15), threaded connection after one end that internal thread section of thick bamboo (15) passed otic placode two (14) alternates with position assorted screw rod (16) respectively.

5. The butterfly valve with a filter mechanism of claim 1, wherein: the funnel-shaped cylinder (20) is fixed with a ring plate (17) on the outer wall of one end, close to the inner cylinder (13), of the funnel-shaped cylinder, and a sealing ring I (18) with matched sizes is fixed on one side, far away from the valve body (1), of the ring plate (17).

6. The butterfly valve with a filter mechanism of claim 5, wherein: and one end of the sleeve (4) close to the first sealing ring (18) is fixed with a second sealing ring (19) with matched size, and the second sealing ring (19) is contacted with the side wall of the first sealing ring (18) close to the side wall.