CN211231598U - Cover plate valve and filter tank with same - Google Patents

Abstract

The utility model discloses a cover plate valve, which comprises a shell, a valve plate capable of moving back and forth and a driving piece for driving the valve plate to move back and forth; the upper adjusting structure is used for adjusting the distance between the valve plate and the driving piece; the utility model discloses an on adjust the setting of structure for distance between valve plate and the driving piece can be adjusted, is applicable to the needs of multiple condition, need not to change the valve, has practiced thrift the cost, and it is more convenient to use, and is more practical.

Description

Cover plate valve and filter tank with same

Technical Field

The utility model belongs to the technical field of, especially, relate to an apron valve and be equipped with filtering pond of this apron valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

However, after the existing valve is usually delivered from a factory, the bearing pressure, the moving distance of the valve plate and the like of the existing valve are directly fixed and cannot be adjusted, and the applicability is poor.

Disclosure of Invention

The utility model discloses an overcome prior art not enough, provide a flap valve that suitability is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cover plate valve comprises a shell, a valve plate capable of moving back and forth and a driving piece for driving the valve plate to move back and forth; the upper adjusting structure is used for adjusting the distance between the valve plate and the driving piece; through the arrangement of the upper adjusting structure, the distance between the valve plate and the driving part can be adjusted, so that when the water pressure is large, the distance between the valve plate and the driving part can be shortened, and the problem that an output shaft of the driving part is damaged is solved; or when needing to increase the inflow, can increase the distance between valve plate and the driving piece to reduce the valve plate and to the hindrance of intaking, make rivers get into more easily, be applicable to the needs of multiple condition, need not to change the valve, practiced thrift the cost, it is more convenient to use, more practical.

Furthermore, the upper adjusting structure comprises an upper adjusting screw rod arranged on the output end of the driving piece and an upper adjusting nut in threaded connection with the upper adjusting screw rod; the valve plate is arranged on the upper adjusting screw rod and can move back and forth along the upper adjusting screw rod; through the arrangement of the structure, the valve plate can be quickly adjusted and fixed by utilizing the nut, the structure is simple, the operation is convenient, the replacement is convenient, and the service life is longer.

Further, a water flow regulating structure for regulating the flow of water through the housing; through the setting of above-mentioned structure, play dual regulation effect, share the pressure that the valve plate received, reduce the deformation rate of valve plate, guarantee that the valve plate has better sealing performance all the time, and then make the whole life extension of equipment.

Furthermore, the water quantity adjusting structure comprises a lower adjusting screw rod, a water quantity adjusting plate capable of moving back and forth along the lower adjusting screw rod and a lower adjusting nut for fixing the water quantity adjusting plate; through the setting of above-mentioned structure, conveniently adjust or the position of fixed water yield regulation structure, it is more convenient to operate, and the structure is more simple, has reduced equipment cost, convenient maintenance.

Further, the water quantity control plate is arranged in a round table structure, and through the arrangement of the structure, the pressure applied to the water quantity control plate is reduced, and the damage rate is reduced.

Furthermore, a fixing frame is arranged in the shell, and the driving piece is arranged on the fixing frame; through the arrangement of the structure, the driving piece is more convenient and stable to mount, the whole structure is simpler, and the difficulty of production and processing is reduced.

Further, the outer shell comprises an outer tube, an inner tube matched with the outer tube, an outer tube edge arranged on the outer tube and an inner tube edge arranged on the inner tube; through the arrangement of the structure, the valve plate and the shell are conveniently in sealing fit while the shell is convenient to fix.

Further, a gap is reserved between the outer pipe edge and the inner pipe edge; through the arrangement of the structure, the circuit is more convenient to communicate with the driving piece, the sealing performance between the valve plate and the inner pipe edge cannot be influenced, and the circuit cannot be extruded and deformed and is safer.

The utility model also discloses a filter tank, which comprises a treatment box, a water inlet tank communicated with the treatment box and a water drainage tank communicated with the treatment box; also comprises the cover plate valve; through the arrangement of the structure, the on-off of water flow is conveniently controlled, and the operation is more convenient and faster.

Furthermore, a water outlet is formed in the upper part of the side wall of the water drainage groove; through the arrangement of the structure, a part of water is always reserved in the drainage groove to form a water seal.

To sum up, the utility model discloses a setting of adjusting the structure on for distance between valve plate and the driving piece can be adjusted, is applicable to the needs of multiple condition, need not to change the valve, has practiced thrift the cost, and it is more convenient to use, and is more practical.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a middle cover plate valve of the present invention;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the middle cover plate valve of the present invention;

FIG. 3 is a schematic cross-sectional view of another embodiment of the present invention with a large flow rate through the blind valve;

FIG. 4 is a schematic cross-sectional view of another embodiment of the present invention showing a low flow rate through the blind valve;

fig. 5 is a schematic perspective view of the middle filter chamber of the present invention.

Detailed Description

As shown in fig. 1 to 5, a cover valve includes a valve plate 51, a driving member 52, an upper regulating structure, a water amount regulating structure, and a fixing member; the fixing component comprises a shell 50 and a fixing frame 53; the outer shell 50 is composed of an outer tube 501 and an inner tube 502, the outer tube is at least partially embedded into a tube opening where the water inlet tube 21 is communicated with the tank body 20, an outer tube edge 503 is formed at the upper end of the outer tube, so that the outer tube is convenient to fix, and meanwhile, the outer tube is convenient to form sealing fit with the bottom surface of the tank body, and water leakage is avoided; the lower part of the inner pipe 502 is arranged in the outer pipe in a penetrating way, the inner pipe and the outer pipe are welded, and an inner pipe edge 504 is formed at the upper end of the inner pipe; the fixing frame 53 is welded on the inner wall of the inner pipe, the driving piece 52 is connected to the fixing frame through bolts, the driving piece is a commercially available air cylinder, the specific model is not limited, and the method is the prior art, so the method is not described herein; the valve plate 51 is arranged on the output end of the driving piece 52 and can be driven by the driving piece 52 to lift and fall back and forth; and because the inner tube is along keeping the interval with the outer tube along 503 between, can be very convenient penetrate pipeline 529 and link to each other with the driving piece, can not influence the leakproofness between valve plate and the inner tube along.

Specifically, the upper adjusting structure comprises an upper adjusting screw 57 and an upper adjusting nut 58, and the water quantity adjusting structure comprises a lower adjusting screw 54, a water quantity adjusting plate 55 and a lower adjusting nut 56; the upper adjusting screw 57 is installed on the output end of the driving piece 52, and the valve plate 51 is sleeved on the upper adjusting screw and can move back and forth along the upper adjusting screw; the upper adjusting nut 58 is in threaded connection with the upper adjusting screw rod, and two upper adjusting nuts are mounted, so that the valve plate is fixed on the upper adjusting screw rod through the upper adjusting nuts, and the distance between the valve plate and the driving piece can be adjusted as required; the lower adjusting screw 54 is mounted on the fixing frame 53, the water quantity adjusting plate 55 is sleeved on the lower adjusting screw and can slide back and forth along the lower adjusting screw, so that the distance between the water quantity adjusting plate and the inner pipe 502 can be conveniently adjusted, the throughput of water flow can be adjusted to adapt to different requirements of different equipment, the lower adjusting nut 56 is screwed on the lower adjusting screw, and the water quantity adjusting plate is fixed at a required position through the lower adjusting nut, so that the adjustment is convenient; wherein the water quantity adjusting plate is arranged in a round table structure.

In other embodiments, the housing 50 may have only one housing and not be divided into inner and outer tubes, the inner tube extending along 504 at least a portion of the upper end of the housing to facilitate sealing engagement with the valve plate; the outer tube edge 503 is formed by extending at least a portion of the surface of the side wall of the housing, so as to facilitate the installation and fixation of the housing, and a gap is left between the outer tube edge and the inner tube edge, so as to facilitate the pipeline 529 to penetrate from the housing between the inner tube edge and the outer tube edge and communicate with the driving member 52.

The utility model also discloses a filter pool, which comprises a processing box 1, a water inlet tank 2, a water discharge tank 3 and a siphon 4, wherein the upper part of the side wall of the water discharge tank 3 is provided with a water outlet 31, the concrete structure and the connection mode of the processing box, the water inlet tank, the water discharge tank and the siphon are the prior art, the difference lies in that the cover plate valve is arranged in the water inlet tank, so that when the filter material layer in the processing box is gradually blocked along with the proceeding of the filtering work and needs to be backwashed, the cover plate valve is started to seal the channel between the water inlet tank and the processing box, thereby the water level in the water inlet tank is higher and higher, after reaching the preset water level, the cover plate valve is started to open the channel between the water inlet tank and the processing box, the water in the water inlet tank can be greatly increased in a short time flowing into the siphon through the channel under the combined action of water pressure and air pressure, therefore, even if air enters the siphon along with water flow, the air in the siphon can still be emptied, and the siphon effect can be formed for backwashing.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims (10)

1. A cover plate valve comprises a shell (50), a valve plate (51) capable of moving back and forth and a driving piece (52) for driving the valve plate (51) to move back and forth; the method is characterized in that: and an upper adjusting structure for adjusting the distance between the valve plate (51) and the driving piece (52).

2. The cover plate valve of claim 1, wherein: the upper adjusting structure comprises an upper adjusting screw rod (57) arranged on the output end of the driving piece (52) and an upper adjusting nut (58) in threaded connection with the upper adjusting screw rod (57); the valve plate (51) is arranged on the upper adjusting screw rod (57) and can move back and forth along the upper adjusting screw rod.

3. The flap valve according to claim 1 or 2, wherein: also included is a water flow regulating structure for regulating the flow of water through the housing (50).

4. The cover plate valve according to claim 3, characterized in that: the water quantity adjusting structure comprises a lower adjusting screw rod (54), a water quantity adjusting plate (55) capable of moving back and forth along the lower adjusting screw rod (54), and a lower adjusting nut (56) used for fixing the water quantity adjusting plate (55).

5. The cover plate valve according to claim 4, characterized in that: the water quantity regulating plate (55) is arranged in a round table structure.

6. The cover plate valve according to claim 5, characterized in that: a fixing frame (53) is arranged in the shell (50), and the driving piece (52) is arranged on the fixing frame (53).

7. The cover plate valve of claim 6, wherein: the outer shell (50) comprises an outer tube (501), an inner tube (502) matched with the outer tube (501), an outer tube edge (503) arranged on the outer tube (501) and an inner tube edge (504) arranged on the inner tube (502).

8. The cover plate valve according to claim 7, characterized in that: a gap is reserved between the outer pipe edge (503) and the inner pipe edge (504).

9. A filter tank comprises a treatment tank (1), a water inlet tank (2) communicated with the treatment tank (1) and a water drainage tank (3) communicated with the treatment tank (1); the method is characterized in that: further comprising a cover plate valve according to any of the preceding claims 1-8.

10. A filter according to claim 9, wherein: and a water outlet (31) is formed in the upper part of the side wall of the water drainage groove (3).

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