Filter with filter screen convenient to replace

Abstract

The filter comprises a laboratory wastewater treatment tank, a liquid discharge pipe is mounted on one side of the lower end face of the laboratory wastewater treatment tank, a filter cavity is formed in the upper end face of the laboratory wastewater treatment tank, a partition plate is mounted on the lower portion of the inner side of the filter cavity, and a filter screen is mounted on the partition plate. A circular groove is formed in the upper end face of the partition plate, a fixing ring is arranged above the partition plate, a filter plate is movably installed on the lower portion of the inner side of the fixing ring through a pulling dismounting mechanism, a through hole is formed in the middle of the upper end face of the filter plate, and the fixing ring is fixedly connected with a cover plate through four supporting rods. A cover plate is arranged above the laboratory wastewater treatment tank. According to the utility model, laboratory wastewater and compounds can be stirred, the filter plate can be cleaned during stirring, the filter plate can be conveniently and quickly disassembled and assembled, the filter plate can be conveniently disassembled, cleaned and then reset, and the use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technology field, concretely is a filter convenient to replace filter screen. BACKGROUND

[0002] Laboratory is the place of experiment, and laboratory is the cradle of science, the base of scientific research and the source of science and technology development, plays a very important role to science and technology development, when carrying out chemical experiment in laboratory, more experimental wastewater will be produced, in order to reduce the pollution of wastewater, need to handle before discharging wastewater, when handling laboratory wastewater, filter is usually used to filter laboratory wastewater.

[0003] But the treatment effect of the existing filter to laboratory wastewater is not good, and after long time use, the surface of the filter screen in the filter is easy to accumulate more impurities, and the impurities can cause the filter screen to be blocked, so that the filtering effect of laboratory wastewater cannot be continuously guaranteed, and when more impurities accumulate on the filter screen, the filter screen needs to be taken out and cleaned by the staff, and after cleaning, the filter screen is installed to the original position, but the disassembly and assembly of the filter screen are difficult, which brings a lot of inconvenience to the user, therefore, the existing filter cannot meet the needs, and for this, the utility model provides a filter convenient to replace filter screen. UTILITY MODEL CONTENTS

[0004] The utility model discloses a filter convenient to replace filter screen, to solve the existing filter not having the stirring function in the background art, cannot mix and stir laboratory sewage and compound, the treatment effect of laboratory wastewater is not good, and after long time use, the surface of the filter screen in the filter is easy to accumulate more impurities, and the impurities can cause the filter screen to be blocked, so that the filtering effect of laboratory wastewater cannot be continuously guaranteed, and when more impurities accumulate on the filter screen, the filter screen needs to be taken out and cleaned by the staff, and after cleaning, the filter screen is installed to the original position, but the disassembly and assembly of the filter screen are difficult, which brings a lot of inconvenience to the user, therefore, the existing filter cannot meet the needs, and for this, the utility model provides a filter convenient to replace filter screen.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A filter convenient to replace filter screen, including laboratory wastewater treatment jar, one side of laboratory wastewater treatment jar lower end face installs and discharges pipe, the upper end face of laboratory wastewater treatment jar is provided with filter cavity, the below of filter cavity inboard installs baffle, the upper end face of baffle is provided with round groove, the above of baffle is provided with fixed ring, the below of fixed ring inboard is swinged and is installed with filter plate through pulling and removing mechanism, the middle of filter plate upper end face is provided with through -hole, the fixed ring is connected with cover plate through four support rods, the above of laboratory wastewater treatment jar is provided with cover plate, the middle of cover plate upper end face installs motor, one side of motor is provided with feed pipe, the below of motor is provided with stirring shaft, the both sides of stirring shaft outer surface below are fixedly installed with horizontal plate, the lower end surface of horizontal plate is evenly installed with a plurality of bristles, the above of horizontal plate is installed with a plurality of rotating oars.

[0006] Preferably, the lower end surface of the cover plate is provided with a groove, the inner wall of the groove is provided with an internal thread, the outer surface of the laboratory wastewater treatment tank is provided with an external thread, and the internal thread is screwed with the external thread, the output end of the motor is fixedly connected with the upper end surface of the stirring shaft through a shaft coupling.

[0007] Preferably, the lower end surface of the stirring shaft is fixedly installed with a limiting column, the limiting column penetrates the through-hole, the limiting column can be clamped into the inner side of the round groove, one side of the upper end surface of the baffle is provided with a connecting hole, and the inner side of the connecting hole is installed with a first electromagnetic valve.

[0008] Preferably, the lower end surface of the laboratory wastewater treatment tank is provided with a support column at each of the four corners, and the inner side of the drain pipe is installed with a second electromagnetic valve.

[0009] Preferably, the pulling and removing mechanism includes a plug rod, the plug rod is installed on both sides of the outer surface of the fixed ring through a round hole, a first spring is sleeved on the outer surface of the plug rod, a clamping plate is fixedly installed on the opposite side of the outer surface of the two plug rods, and a pull ring is installed on the side opposite to the two plug rods through a connecting plate.

[0010] Preferably, the outer side end of the round hole is provided with a square groove, the inner side end of the round hole is provided with a receiving groove, the pull ring is located in the inner side of the square groove, one side of the lower end surface of the clamping plate is provided with a second inclined surface, and the upper end surface of the filter plate is provided with a first inclined surface on both sides.

[0011] Preferably, the outer surface of the filter plate is provided with a clamping groove on both sides, the clamping plate can be clamped into the inner side of the clamping groove, a fixing plate is installed on both sides of the upper side of the filter plate, the inner wall of the fixing plate is fixedly connected with the fixed ring, and a second spring is installed on the lower end surface of the fixing plate.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1, the utility model discloses a motor, stirring shaft, propeller, horizontal plate, bristle are set up, through the feed pipe and join the laboratory wastewater and compound in laboratory wastewater treatment jar, through the filter plate to the laboratory wastewater filtration, start motor, motor drives the stirring shaft rotation, the stirring shaft drives the rotation of propeller and horizontal plate, propeller can the laboratory wastewater and compound are stirred, make it can fully mix and react, improve the treatment effect to the laboratory wastewater, and horizontal plate rotates simultaneously, drive the bristle and brush on the upper end surface of filter plate, clean the filter plate, avoid filter plate block, prolong the time interval of filter plate dismounting cleaning, the utility model discloses can the laboratory wastewater and compound are stirred, and can clean the filter plate at the same time of stirring;

[0014] 2, the utility model discloses a pull and detach mechanism, cover plate are set up, through the rotation of cover plate, the cover plate can be detached on laboratory wastewater treatment jar, drive support rod, fixed ring together from laboratory wastewater treatment jar be detached, can simultaneously two pull ring pull outwards, drive the movement of the inserting rod, thereby drive the clamping plate to leave the inner side of the clamping groove, release the location of filter plate, the filter plate is driven downward under the action of second spring, can detach the filter plate from the below of the inboard of fixed ring, clean it, after cleaning, filter plate is clamped into the inboard of fixed ring, the filter plate is moved upwards in the inboard of fixed ring, second inclined plane and first inclined plane contact, drive the clamping plate to the inboard of storage groove, until the filter plate continues to move up, when the clamping plate and clamping groove are level, the clamping plate is clamped into the inboard of clamping groove under the action of first spring, and the filter plate is positioned, the utility model discloses convenient to the quick detach quick mount of filter plate, convenient to its dismounting and cleaning and resetting, convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overall structure schematic view of the utility model;

[0016] Fig. 2 It is the main sectional view of the utility model whole;

[0017] Fig. 3 It is the local structure schematic view of the circular tank of the utility model;

[0018] Fig. 4 It is the local structure schematic view of the pull and detach mechanism of the utility model.

[0019] In the figure: 1, laboratory wastewater treatment tank; 2, cover plate; 3, feed pipe; 4, motor; 5, liquid discharge pipe; 6, filter cavity; 7, fixed ring; 8, rotating paddle; 9, stirring shaft; 10, cross plate; 11, brush; 12, partition; 13, limiting column; 14, filter plate; 15, circular groove; 16, through hole; 17, pulling disassembly mechanism; 1701, square groove; 1702, pull ring; 1703, insertion rod; 1704, first spring; 1705, round hole; 1706, fixed plate; 1707, clamping plate; 1708, second spring; 1709, first inclined surface; 1710, clamping groove; 1711, second inclined surface; 1712, storage groove; 18, support rod. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] The motor 4 (model number: 68KTYZ) mentioned in the utility model can be obtained by market purchase or private customization.

[0022] Please refer to Figs. 1 to 4 The utility model provides an embodiment: a filter convenient for replacing filter screen, including laboratory wastewater treatment tank 1, one side of the lower end surface of laboratory wastewater treatment tank 1 is installed with liquid discharge pipe 5, the upper end surface of laboratory wastewater treatment tank 1 is provided with filter cavity 6, the inside below filter cavity 6 is installed with partition 12, the upper end surface of partition 12 is provided with circular groove 15, the upper side of partition 12 is provided with fixed ring 7, the inside below fixed ring 7 is movably installed with filter plate 14 through pulling disassembly mechanism 17, the upper end surface of filter plate 14 is provided with through hole 16 in the middle, fixed ring 7 and cover plate 2 are fixedly connected through four support rods 18, the upper side of laboratory wastewater treatment tank 1 is provided with cover plate 2, the upper end surface of cover plate 2 is installed with motor 4 in the middle, one side of motor 4 is provided with feed pipe 3, the lower side of motor 4 is provided with stirring shaft 9, the outer surface of stirring shaft 9 is fixedly installed with cross plate 10 on both sides below, the lower end surface of cross plate 10 is evenly installed with a plurality of brush 11, the upper side of cross plate 10 is installed with a plurality of rotating paddle 8.

[0023] The lower end surface of cover plate 2 is provided with recess, the inner wall of recess is provided with internal thread, the upper side of the outer surface of laboratory wastewater treatment tank 1 is provided with external thread, and the internal thread and the external thread are screwed, and the output end of motor 4 and the upper end surface of stirring shaft 9 are fixedly connected through a shaft coupling.

[0024] The lower end surface of stirring shaft 9 is fixedly installed with limiting column 13, limiting column 13 penetrates through through hole 16, limiting column 13 can be clamped into the inside of circular groove 15, one side of the upper end surface of partition 12 is provided with connecting hole, and the inside of connecting hole is installed with first electromagnetic valve.

[0025] The four corners of the lower end surface of the laboratory wastewater treatment tank 1 are each provided with a support column, and the inner side of the drain pipe 5 is provided with a second electromagnetic valve.

[0026] The pulling dismounting mechanism 17 comprises plug rods 1703 installed on both sides of the outer surface of the fixed ring 7 through round holes 1705, the outer surface of the plug rod 1703 is sleeved with a first spring 1704, the opposite side of the outer surface of the two plug rods 1703 is fixedly provided with a clamping plate 1707, and the opposite side of the outer surface of the two plug rods 1703 is provided with a pull ring 1702 through a connecting plate.

[0027] The outer side end of the round hole 1705 is provided with a square groove 1701, the inner side end of the round hole 1705 is provided with a receiving groove 1712, the pull ring 1702 is located inside the square groove 1701, one side of the lower end surface of the clamping plate 1707 is provided with a second inclined surface 1711, both sides of the upper end surface of the filter plate 14 are provided with a first inclined surface 1709, and the clamping plate 1707 can be withdrawn into the inner side of the receiving groove 1712.

[0028] Both sides of the outer surface of the filter plate 14 are provided with clamping grooves 1710, the clamping plate 1707 can be clamped into the inner side of the clamping groove 1710, both sides above the filter plate 14 are provided with fixed plates 1706, the fixed plates 1706 are fixedly connected with the inner wall of the fixed ring 7, and the lower end surface of the fixed plate 1706 is provided with a second spring 1708.

[0029] The filter with the filter screen convenient to replace is used, first, the power is turned on, the laboratory wastewater and the compound are added into the laboratory wastewater treatment tank 1 through the feeding pipe 3, the laboratory wastewater is filtered through the filter plate 14, the motor 4 is started, the motor 4 drives the stirring shaft 9 to rotate, the stirring shaft 9 drives the rotating paddle 8 and the horizontal plate 10 to rotate, the rotating paddle 8 can stir the laboratory wastewater and the compound, so that they can be fully mixed and react, the treatment effect of the laboratory wastewater is improved, meanwhile, the horizontal plate 10 rotates, the bristles 11 brush the upper end face of the filter plate 14 to clean the filter plate 14, so that the filter plate 14 is not blocked, the time interval of disassembling and cleaning the filter plate 14 is prolonged, the switch of the first electromagnetic valve is opened, the filtered wastewater can be collected below the partition plate 12, the wastewater can be discharged by opening the second electromagnetic valve, the pull-out disassembling mechanism 17 and the cover plate 2 are arranged, the cover plate 2 can be disassembled from the laboratory wastewater treatment tank 1 by rotating the cover plate 2, the support rod 18 and the fixing ring 7 are driven to be disassembled from the laboratory wastewater treatment tank 1, the two pull rings 1702 can be pulled out at the same time, the plug rod 1703 is driven to move, so that the clamping plate 1707 moves away from the inner side of the clamping groove 1710, the position of the filter plate 14 is released, the filter plate 14 is pushed down by the second spring 1708, the filter plate 14 can be disassembled from below the inner side of the fixing ring 7 for cleaning, after cleaning, the filter plate 14 is clamped into the inner side of the fixing ring 7, the filter plate 14 is moved upwards in the inner side of the fixing ring 7, the second inclined surface 1711 contacts the first inclined surface 1709, the clamping plate 1707 is pushed into the inner side of the storage groove 1712, until the filter plate 14 continues to move upwards, when the clamping plate 1707 is flush with the clamping groove 1710, the clamping plate 1707 is clamped into the inner side of the clamping groove 1710 under the action of the first spring 1704, the position of the filter plate 14 is limited, the laboratory wastewater and the compound can be stirred, the filter plate 14 can be cleaned at the same time, the filter plate 14 is convenient to disassemble and assemble, the filter plate 14 is convenient to disassemble for cleaning and then reset, and the use is convenient.

[0030] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments but that the application can be implemented in other embodiments without departing from the scope of the application. The scope of the application is defined by the appended claims rather than by the description of the exemplary embodiments above and therefore all changes and modifications that come within the meaning and range of equivalents of the claims are to be embraced by the application. Any reference signs in the claims should not be construed as limiting the scope of the claims.

Claims

1. A filter facilitating replacement of a filter screen, comprising a laboratory wastewater treatment tank (1), a side of a lower end face of the laboratory wastewater treatment tank (1) being provided with a drain pipe (5), characterized in that: The upper end face of the laboratory wastewater treatment tank (1) is provided with a filter cavity (6), a partition plate (12) is installed inside the lower part of the filter cavity (6), the upper end face of the partition plate (12) is provided with a circular groove (15), the upper part of the partition plate (12) is provided with a fixed ring (7), a filter plate (14) is movably installed inside the lower part of the fixed ring (7) through a pulling dismounting mechanism (17), the upper end face of the filter plate (14) is provided with a through hole (16), the fixed ring (7) and the cover plate (2) are fixedly connected through four supporting rods (18), the upper part of the laboratory wastewater treatment tank (1) is provided with a cover plate (2), the upper end face of the cover plate (2) is installed with a motor (4), one side of the motor (4) is provided with a feeding pipe (3), the lower part of the motor (4) is provided with a stirring shaft (9), the outer surface of the lower part of the stirring shaft (9) is fixedly installed with a horizontal plate (10) on both sides, the lower end face of the horizontal plate (10) is uniformly installed with a plurality of bristles (11), and the upper part of the horizontal plate (10) is installed with a plurality of rotating paddles (8).

2. The filter of claim 1, wherein: The lower end face of the cover plate (2) is provided with a groove, the inner wall of the groove is provided with an internal thread, the upper part of the outer surface of the laboratory wastewater treatment tank (1) is provided with an external thread, and the internal thread and the external thread are screwed together, and the output end of the motor (4) and the upper end face of the stirring shaft (9) are fixedly connected through a shaft coupling.

3. The filter of claim 1, wherein: The lower end face of the stirring shaft (9) is fixedly installed with a limiting column (13), the limiting column (13) penetrates through the through hole (16), and the limiting column (13) can be clamped into the inside of the circular groove (15). A connecting hole is penetratingly arranged on one side of the upper end face of the partition plate (12), and a first electromagnetic valve is installed on the inside of the connecting hole.

4. The filter of claim 1 wherein: The lower end face of the laboratory wastewater treatment tank (1) is provided with a supporting column at each of the four corners, and a second electromagnetic valve is installed on the inside of the drain pipe (5).

5. The filter of claim 1 wherein: The pulling dismounting mechanism (17) comprises an insertion rod (1703), the insertion rod (1703) is installed on both sides of the outer surface of the fixed ring (7) through a circular hole (1705), a first spring (1704) is sleeved on the outer surface of the insertion rod (1703), a clamping plate (1707) is fixedly installed on the opposite side of the outer surface of the two insertion rods (1703), and a pull ring (1702) is installed on the side opposite to the two insertion rods (1703) through a connecting plate.

6. The filter of claim 5, wherein: The outer side end of the circular hole (1705) is provided with a square groove (1701), the inner side end of the circular hole (1705) is provided with a receiving groove (1712), the pull ring (1702) is located inside the square groove (1701), one side of the lower end face of the clamping plate (1707) is provided with a second inclined surface (1711), and the upper end face of the filter plate (14) is provided with a first inclined surface (1709) on both sides.

7. The filter of claim 6, wherein: The filter plate (14) is provided with clamping grooves (1710) on both sides of the outer surface, the clamping plate (1707) can be clamped into the inner side of the clamping groove (1710), the filter plate (14) is provided with a fixed plate (1706) on both sides of the upper side, the fixed plate (1706) is fixedly connected with the inner wall of the fixed ring (7), and the lower end surface of the fixed plate (1706) is provided with a second spring (1708).

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