CN212575750U

CN212575750U - Sucking type filter with mechanical plugging structure

Info

Publication number: CN212575750U
Application number: CN202021286515.XU
Authority: CN
Inventors: 李中秋
Original assignee: Cangzhou Xintianfang Environmental Protection Equipment Co ltd
Current assignee: Cangzhou Xintianfang Environmental Protection Equipment Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-02-23
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a suction type filter with mechanical block structure belongs to filter equipment technical field. The filter comprises a cylinder body, a filter screen inside the cylinder body is fixed on the side wall of the cylinder body through a partition plate, and a water inlet and a water outlet are positioned on two sides of the partition plate. The inside of filter screen is provided with the soil pick-up assembly, is provided with the drive mechanism who drives the soil pick-up assembly rotatory slip on the barrel. One end of the cylinder body is provided with a sewage discharge chamber, a sewage discharge hole arranged on the sewage suction assembly is positioned in the sewage discharge chamber, and one end of the sewage discharge chamber is provided with a sewage discharge outlet. The end of the sewage suction assembly, which is positioned in the sewage discharge chamber, is provided with a sealing plug, the end surface of the sealing plug is provided with an annular clamping block, the inner surface of the sewage discharge chamber, which is provided with a sewage discharge outlet, is provided with a clamping groove matched with the clamping block, and the clamping block is positioned in the clamping groove. The utility model adopts the above structure have mechanical block structure suck the formula filter, can solve the problem that current filter screen clearance is inconvenient, filter work efficiency is low.

Description

Sucking type filter with mechanical plugging structure

Technical Field

The utility model belongs to the technical field of the filter equipment technique and specifically relates to a suck formula filter with mechanical block structure is related to.

Background

The water resource of China is very short, the water resource is reasonably and effectively utilized, the production cost of enterprises can be reduced, and the method is beneficial to the nation and the people. Therefore, the wastewater generated in industrial production needs to be filtered to realize the recycling of the wastewater. The waste water often contains a large amount of large-particle impurities, and the large-particle impurities influence the normal work of the fine waste water treatment device, and are very important links for filtering the large-particle impurities contained in the waste water. The filter is internally provided with a filter screen for filtering impurities, the wastewater enters the cylinder body of the filter and is filtered by the filter screen, the impurities are attached to the inner surface of the filter screen, and the filtered water passes through the filter screen and is discharged through the water outlet. When the filter screen is cleaned by the conventional filter, the filter screen needs to be detached for cleaning, the filter screen is inconvenient to clean, and the working efficiency of the filter is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a suction type filter with mechanical block structure solves the problem that current filter screen clearance is inconvenient, filter work efficiency is low.

In order to achieve the purpose, the utility model provides a suction type filter with a mechanical plugging structure, which comprises a cylinder body, wherein a filter screen is arranged in the cylinder body, a water inlet and a water outlet are arranged on the cylinder body, the filter screen is fixed on the side wall of the cylinder body through a partition plate, and the water inlet and the water outlet are positioned at two sides of the partition plate;

a dirt suction assembly for cleaning the filter screen is arranged in the filter screen; the cylinder body is provided with a transmission mechanism which drives the sewage suction assembly to rotate and slide;

one end of the barrel is provided with a sewage discharging chamber, a sewage discharging hole arranged on the sewage suction assembly is located in the sewage discharging chamber, one end, away from the barrel, of the sewage discharging chamber is provided with a sewage discharging port, the sewage discharging chamber and the barrel are coaxially arranged, an elastic sealing plug is arranged on an end head, located in the sewage discharging chamber, of the sewage suction assembly, an annular clamping block is arranged on an end face, close to the sewage discharging port, of the sealing plug, a clamping groove matched with the clamping block is formed in the inner surface, provided with the sewage discharging port, of the.

Preferably, the inner surface of the bottom of the clamping groove is at least provided with an annular groove, and the groove is a V-shaped groove or an arc-shaped groove.

Preferably, the sewage suction assembly comprises a collecting pipe with two closed ends, a plurality of sewage suction pipes are arranged on the side surface of the collecting pipe and communicated with an inner cavity of the collecting pipe, a suction cap is arranged at one end of the sewage suction pipe, which is far away from the collecting pipe, a sewage suction hole is arranged on the end head of the suction cap, and the sewage suction hole faces to the inner surface of the filter screen;

one end of the collecting pipe is connected with the transmission mechanism, the other end of the collecting pipe is hermetically and rotatably connected with the filter screen and the cylinder body and extends out of the cylinder body to be inserted into the sewage discharging chamber, and a sewage discharging hole is formed in the side wall of one end of the collecting pipe, which is positioned in the sewage discharging chamber; one end of the collecting pipe, which is provided with a sewage discharge hole, is connected with a plugging block made of perfluororubber material through a connecting plate; the axis of the collecting pipe and the axis of the sewage draining exit are on the same straight line.

Preferably, the transmission mechanism comprises a sleeve, one end of the sleeve is connected with the motor through a transmission shaft, a rotating shaft is arranged inside the sleeve, one end of the rotating shaft is provided with a limiting plate, a limiting block is arranged on the side surface of the limiting plate, a limiting groove II matched with the limiting block is arranged on the side wall of the sleeve, and the limiting block is inserted into the limiting groove II; a fixing nut is sleeved outside the rotating shaft, an external thread matched with the internal thread of the fixing nut is arranged on the outer surface of the rotating shaft, and the fixing nut is fixedly connected with the partition plate through a connecting rod; the other end of the rotating shaft extending out of the sleeve is fixedly connected with the sewage suction assembly.

Preferably, the transmission shaft sets up in the inside of motor cabinet, and the transmission shaft rotates with the barrel to be connected, and the motor passes through the motor cabinet to be fixed on the barrel, and the inside of motor cabinet is provided with the stop gear of restriction motor rotation direction.

Preferably, the limiting mechanism comprises a limiting nut, the limiting nut is sleeved on the transmission shaft, and an external thread matched with the internal thread of the limiting nut is arranged on the outer surface of the transmission shaft; a first limiting groove is formed in the inner wall of the motor base along the axial direction of the motor base, and a first limiting column matched with the first limiting groove is arranged on the limiting nut; travel switches are arranged on the inner wall of the motor base and are respectively positioned on two sides of the limiting nut.

A suction type filter with machinery block structure, be provided with the soil pick-up assembly in the inside of filter screen, be provided with the drive mechanism who drives the soil pick-up assembly at filter screen internal rotation removal on the barrel. The motor of the transmission mechanism drives the collecting pipe to rotate through the transmission shaft and the sleeve, and the collecting pipe is meshed with the fixing nut, so that the collecting pipe drives the sewage suction pipe to rotate and move in the filter screen to clean the filter screen. The end of collecting pipe is provided with the shutoff and blocks up, when clearing up the filter screen, the shutoff stopper separates with the draw-in groove of blowdown room under the effect of collecting pipe, and the drain is opened, and the sewage in the blowdown room from the collecting pipe can discharge through the drain. When the filter normally works, the clamping block on the plugging plug is clamped in the clamping groove to seal the sewage draining outlet, so that the wastewater is prevented from being discharged from the sewage draining outlet. A sucking type filter shutoff stopper plugging structure with machinery plugging structure have low in production cost, long service life's advantage.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a suction filter with a mechanical blocking structure according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic structural diagram of the embodiment of the suction filter with a mechanical plugging structure for plugging.

Reference numerals

1. A motor; 2. a motor base; 3. a drive shaft; 4. a limit nut; 5. a limiting column; 6. a first limiting groove; 7. a barrel; 8. a sleeve; 9. a second limiting groove; 10. a rotating shaft; 11. a limiting plate; 12. a partition plate; 13. a connecting rod; 14. fixing a nut; 15. a collection pipe; 16. a sewage suction pipe; 17. a suction cap; 18. a dirt suction hole; 19. a filter screen; 20. positioning a rod; 21. a center pole; 22. a sewage draining hole; 23. a sewage discharge chamber; 24. blocking; 25. a sewage draining outlet; 26. a water inlet; 27. a water outlet; 28. a connecting plate; 29. a card slot; 30. and (7) clamping blocks.

Detailed Description

Examples

Fig. 1 is the structure schematic diagram of a sucking filter embodiment with a mechanical plugging structure of the present invention, fig. 2 is a partial enlarged view of a portion a in fig. 1, and fig. 3 is the structure schematic diagram of a sucking filter embodiment with a mechanical plugging structure during plugging. As shown in the figure, the suction filter with the mechanical plugging structure comprises a cylinder body 7, and lifting lugs for lifting are arranged on the outer surface of the cylinder body 7. A filter screen 19 is arranged in the barrel 7, one end of the filter screen 19 is fixed on the side wall of the barrel 7 through a partition plate 12, the other end of the filter screen 19 is sealed through a baffle plate, and the baffle plate is fixed at the end head of the barrel 7. The partition board 12 is fixedly connected with the inner wall of the cylinder 7 by welding, and the filter screen 19 is fixedly connected with the partition board 12 by screws. The side wall of the cylinder 7 is provided with a water inlet 26 and a water outlet 27, and the water inlet 26 and the water outlet 27 are respectively positioned at two sides of the partition board 12. The partition board 12 is connected with the end of the cylinder 7 fixed with the filter screen 19 through a positioning rod 20, so that the support strength of the partition board 12 is improved, and the partition board 12 has a positioning effect on installation. The inside of filter screen 19 is provided with the soil pick-up assembly that clears up filter screen 19, is provided with the drive mechanism who drives the soil pick-up assembly rotary sliding on barrel 7.

One end of the cylinder body 7 is provided with a sewage discharging chamber 23, and one end of the sewage discharging chamber 23 is fixedly connected with the cylinder body 7 in a welding way. The dirt suction assembly is provided with a dirt discharge aperture 22 located in a dirt discharge chamber 23. A sewage outlet 25 is arranged at one end of the sewage discharging chamber 23 far away from the cylinder body 7, and the sewage outlet 25, the sewage discharging chamber 23 and the cylinder body 7 are coaxially arranged. The end of the sewage suction assembly in the sewage discharge chamber 23 is provided with an elastic plugging plug 24, and the plugging plug 24 is made of perfluororubber and has certain elasticity. An annular fixture block 30 is arranged on the end face of the blocking plug 24 close to the sewage draining exit 25, and the fixture block 30 and the blocking plug 24 are of an integral structure. The inner surface of the sewage discharging chamber 23 provided with the sewage discharging port 25 is provided with a clamping groove 29 matched with the clamping block 30, and the clamping block 30 is positioned in the clamping groove 29. At least one annular groove is formed in the inner surface of the bottom of the clamping groove 29, and the groove is a V-shaped groove or an arc-shaped groove. The grooves are three in the embodiment and are uniformly distributed on the inner surface of the bottom of the clamping groove 29, and the grooves are of V-shaped structures. The clamping block 30 is inserted into the clamping groove 29 under the action of the sewage suction assembly and is tightly propped against the inner surface of the bottom of the clamping groove 29, so that the sewage discharge port 25 is sealed, and normal filtering work is performed; when the filter screen 19 needs to be cleaned, the plug 24 moves towards the direction far away from the drain outlet 25 under the action of the sewage suction assembly, and the drain outlet 25 is opened to discharge the sewage for cleaning the filter screen 19 from the drain outlet 25. The grooves prevent a vacuum state from being formed between the latch 30 and the latch groove 29, which is advantageous for separating the latch 30 from the latch groove 29.

The sewage suction assembly comprises a collecting pipe 15 with two closed ends, the collecting pipe 15 can be a closed pipe body structure with two closed ends through baffle plates, and the baffle plates are fixedly connected with the collecting pipe 15 through screws or welding, so that components in the collecting pipe 15 can be conveniently installed. A plurality of sewage suction pipes 16 are arranged on the side surface of the collecting pipe 15, in the embodiment, the sewage suction pipes 16 are two rows which are distributed in a staggered manner, and the included angle between the two rows of the sewage suction pipes 16 is 180 degrees. The sewage suction pipe 16 is fixedly connected with the collecting pipe 15 in a welding mode, and the sewage suction pipe 16 is communicated with the inner cavity of the collecting pipe 15. A suction cap 17 is arranged at one end of the sewage suction pipe 16 far away from the collecting pipe 15, a sewage suction hole 18 is arranged at the end head of the suction cap 17, and the sewage suction hole 18 faces the inner surface of the filter screen 19. The suction cap 17 covers the outside of the sewage suction pipe 16 and is fixedly connected with the sewage suction pipe 16 through screws. The sewage suction hole 18 is a long strip-shaped hole, the length direction of the sewage suction hole 18 is parallel to the gap of the filter screen 19, so that impurities adhered to the filter screen 19 can be conveniently sucked into the sewage suction pipe 16 through the sewage suction hole 18 and then collected in the collecting pipe 15.

One end of the collecting pipe 15 is fixedly connected with the transmission mechanism. The other end of the collecting pipe 15 is connected with the cylinder body 7 in a sealing and rotating way and extends out of the cylinder body 7 to be inserted into the sewage discharging chamber 23. The sealing rotary connection mode can meet the requirement by selecting the existing structure, and the wastewater in the filter screen 19 is prevented from entering the sewage discharge chamber 23. The collecting pipe 15, the filter screen 19 and the cylinder 7 can be connected in a rotating way through a bearing, and sealing rings are arranged on two sides of the bearing. The side wall of one end of the collecting pipe 15, which is positioned at the sewage discharge chamber 23, is provided with two sewage discharge holes 22, and the included angle between the two sewage discharge holes 22 is 180 degrees. A central rod 21 is arranged in the collecting pipe 15, two ends of the central rod 21 are fixedly connected with two ends of the collecting pipe 15, and the strength of the collecting pipe 15 is improved due to the arrangement of the central rod 21. The end of the collecting pipe 15 provided with the sewage discharge hole 22 is connected with the plugging block through a connecting plate 28, and the connecting plate 28 is fixedly connected with the collecting pipe 15 and the plugging block through screws. The axis of the collecting pipe 15 is collinear with the axis of the sewage drain 25.

The transmission mechanism comprises a sleeve 8, one end of the sleeve 8 is connected with the motor 1 through a transmission shaft 3, and two ends of the transmission shaft 3 are fixedly connected with the sleeve 8 and an output shaft of the motor 1 respectively. The sleeve 8 is located the inside of barrel 7, is connected through the bearing housing between transmission shaft 3 and the barrel 7, and the bearing housing passes through the fix with screw on barrel 7, rotates through the bearing between bearing housing and the transmission shaft 3 and is connected. A rubber sealing sleeve is arranged between the bearing sleeve and the transmission shaft 3, the sealing sleeve is fixed on the bearing sleeve through screws, the joint of the transmission shaft 3 and the cylinder body 7 is sealed, and waste water in the cylinder body 7 is prevented from flowing out.

The inside of sleeve 8 is provided with pivot 10, and the one end welded fastening of pivot 10 has limiting plate 11, and limiting plate 11 is circular structure. The side face of the limiting plate 11 is provided with a limiting block, the side wall of the sleeve 8 is provided with a second limiting groove 9 matched with the limiting block, and the limiting block is inserted into the second limiting groove 9. In this embodiment, the side wall of the sleeve 8 is provided with two elongated limiting grooves two 9 penetrating through the sleeve 8, one end of each limiting groove two 9 is communicated with the opening at the end of the sleeve 8, and the included angle between the two limiting grooves two 9 is 180 °. The outside cover of pivot 10 is equipped with fixation nut 14, is provided with the external screw thread of the internal thread looks adaptation with fixation nut 14 on the surface of pivot 10. The fixing nut 14 is fixedly connected with the partition plate 12 through a connecting rod 13, and one end of the connecting rod 13 is fixedly connected with the fixing nut 14 in a welding mode. The other end of the connecting plate 28 is fixedly connected with the partition plate 12 through a screw. The connecting rods 13 are uniformly distributed outside the fixing nuts 14, the number of the connecting rods 13 is 3 in the embodiment, and a channel for waste water to enter the filter screen 19 is formed among the 3 connecting rods 13. The other end of the rotating shaft 10 is fixedly connected with the collecting pipe 15 through a screw.

Transmission shaft 3 sets up in the inside of motor cabinet 2, and motor 1 passes through motor cabinet 2 to be fixed on barrel 7, and the both ends of motor cabinet 2 pass through screw fixed connection with motor 1's casing and barrel 7 respectively. The inside of motor cabinet 2 is provided with the stop gear of restriction motor 1 rotation direction. Stop gear includes stop nut 4, and stop nut 4 cover is established on transmission shaft 3, is provided with the external screw thread with stop nut 4's internal thread looks adaptation on the surface of transmission shaft 3. The inner wall of the motor base 2 is provided with a first elongated limiting groove 6 along the axial direction, and the first limiting groove 6 can be one or multiple and is distributed in parallel with the first limiting grooves 6. And a limiting column 5 matched with the first limiting groove 6 is arranged on the limiting nut 4, and the limiting column 5 is welded and fixed on the limiting nut 4. The limiting column 5 is inserted in the limiting groove I6 and slides along the limiting groove I6, and provides a guiding effect for the movement of the limiting nut 4 on the transmission shaft 3. Two travel switches are arranged on the inner wall of the motor base 2 and are respectively positioned on two sides of the limit nut 4. The travel switch and the motor 1 are both connected with the control unit, and the electrical connection mode of the travel switch and the motor 1 with the control unit is the conventional technology.

In the initial state, the clamping block 30 is clamped in the clamping groove 29 to seal the sewage draining outlet 25, and the filter performs normal filtering work. When impurities adhered to the filter screen 19 need to be cleaned, the motor 1 is started, the motor 1 drives the sleeve 8 to rotate through the transmission shaft 3, the sleeve 8 drives the rotating shaft 10 to synchronously rotate through the limiting block and the limiting groove II 9, the rotating shaft 10 is meshed with the fixing nut 14, so that the rotating shaft 10 drives the collecting pipe 15 to slide in the filter screen 19, the clamping block 30 on the blocking plug 24 is separated from the clamping groove 29, the sewage discharge port 25 is opened, the pressure in the collecting pipe 15 is greater than that of the sewage discharge chamber 23, and sewage in the collecting pipe 15 is discharged into the sewage discharge chamber 23 from the sewage discharge hole 22 and then discharged from the sewage discharge port 25; under the action of the stroke switch and the limit nut 4, the collecting pipe 15 drives the sewage suction pipe 16 to rotate and move on the inner surface of the filter screen 19 in a reciprocating manner, so that the filter screen 19 is cleaned; after cleaning, the clamping block 30 on the plugging plug 24 is inserted into the clamping groove 29 to seal the sewage draining exit 25, and the motor 1 stops working. The sewage suction pipe 16 does not influence the filtering treatment of the filter screen 19 on the waste water when the filter screen 19 is cleaned, and the working efficiency of the filter is improved.

In order to improve the automation effect of the filter, a differential pressure sensor can be arranged at the water inlet 26 and the water outlet 27, and the differential pressure sensor is connected with the control unit and used for detecting the pressure difference between the water inlet 26 and the water outlet 27, so that the permeation effect of the filter screen 19 is reflected, namely the amount of impurities adhered to the filter screen 19 is large, and the motor 1 is automatically started to remove the dirt of the filter screen 19 under the action of the control unit. The electrical connection mode of the differential pressure sensor and the control unit is the existing mature technology, which is not the key point of the application and is not repeated herein.

Therefore, the utility model adopts the above structure have mechanical block structure suck the formula filter, can solve the problem that current filter screen clearance is inconvenient, filter work efficiency is low.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides a suck and inhale formula filter with machinery block structure, includes the barrel, and the inside of barrel is provided with the filter screen, is provided with water inlet and delivery port, its characterized in that on the barrel: the filter screen is fixed on the side wall of the cylinder body through a partition plate, and the water inlet and the water outlet are positioned on two sides of the partition plate;

2. A suction filter with a mechanical blocking structure according to claim 1, wherein: the inner surface of the bottom of the clamping groove is at least provided with an annular groove which is a V-shaped groove or an arc-shaped groove.

3. A suction filter with a mechanical blocking structure according to claim 1, wherein: the sewage suction assembly comprises a collecting pipe with two closed ends, a plurality of sewage suction pipes are arranged on the side surface of the collecting pipe and communicated with an inner cavity of the collecting pipe, a suction cap is arranged at one end of the sewage suction pipe, which is far away from the collecting pipe, a sewage suction hole is arranged on the end head of the suction cap, and the sewage suction hole faces to the inner surface of the filter screen;

4. A suction filter with a mechanical blocking structure according to claim 1, wherein: the transmission mechanism comprises a sleeve, one end of the sleeve is connected with the motor through a transmission shaft, a rotating shaft is arranged in the sleeve, one end of the rotating shaft is provided with a limiting plate, a limiting block is arranged on the side surface of the limiting plate, a limiting groove II matched with the limiting block is arranged on the side wall of the sleeve, and the limiting block is inserted in the limiting groove II; a fixing nut is sleeved outside the rotating shaft, an external thread matched with the internal thread of the fixing nut is arranged on the outer surface of the rotating shaft, and the fixing nut is fixedly connected with the partition plate through a connecting rod; the other end of the rotating shaft extending out of the sleeve is fixedly connected with the sewage suction assembly.

5. A suction filter with a mechanical blocking structure according to claim 1, wherein: the transmission shaft sets up in the inside of motor cabinet, and the transmission shaft rotates with the barrel to be connected, and the motor passes through the motor cabinet to be fixed on the barrel, and the inside of motor cabinet is provided with the stop gear of restriction motor rotation direction.

6. A suction filter with mechanical blocking structure according to claim 5, characterized in that: the limiting mechanism comprises a limiting nut, the limiting nut is sleeved on the transmission shaft, and an external thread matched with the internal thread of the limiting nut is arranged on the outer surface of the transmission shaft; a first limiting groove is formed in the inner wall of the motor base along the axial direction of the motor base, and a first limiting column matched with the first limiting groove is arranged on the limiting nut; travel switches are arranged on the inner wall of the motor base and are respectively positioned on two sides of the limiting nut.