Sterilization algicide liquid medicine filtering device

Abstract

The utility model relates to the technical field of germicide and algicide production, and discloses a germicide and algicide liquid medicine filtering device which comprises a filtering device body, a filtering assembly is fixedly connected to the interior of the filtering device body, a filtering plate is arranged in the filtering assembly, a movable frame is arranged on the lower side of the filtering assembly, and the movable frame is fixedly connected with the filtering assembly. The interior of the moving frame is fixedly connected with a connecting rod, the upper surface of the connecting rod is fixedly connected with spikes, the spikes are matched with filtering holes in the surface of the filtering plate, the lower side of the moving frame is provided with a rotating rod, and the rotating rod is rotationally connected to the inner wall of the filtering device body. According to the filtering device, the filtering plate can be conveniently cleaned, so that the smoothness of the filtering process of the sterilization algicide liquid medicine is ensured, the filtering process of the liquid medicine does not need to be paused, the situation that the filtering effect of the liquid medicine is affected by the process of pausing filtering and cleaning medicine residues is avoided, the filtering efficiency of the sterilization algicide liquid medicine is greatly improved, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bactericidal algicide production technology, and specifically to a bactericidal algicide liquid filtering device. BACKGROUND

[0002] The bactericidal algicide has broad-spectrum and high-efficiency bactericidal and algicidal capacity, can effectively control the reproduction and slime growth of bacteria and algae in water, has good slime stripping effect and certain dispersion and penetration effect, and can effectively prevent the reproduction and growth of algae.

[0003] At present, in the production process of bactericidal algicide liquid, the bactericidal algicide liquid usually needs to be filtered, because solid residues are left in the liquid during production, and the residues will affect the quality of the bactericidal algicide. However, the existing filtering devices for bactericidal algicide liquid usually use a filter screen to filter the residues. However, the filter screen needs to be disassembled and cleaned after being used for a period of time. During this process, the filtering operation of the liquid needs to be paused, and the filtering work of the bactericidal algicide liquid cannot continue, thereby affecting the filtering efficiency of the liquid and reducing the practicability. In view of this, the bactericidal algicide liquid filtering device is proposed to solve the above problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the bactericidal algicide liquid filtering device is provided to solve the problems in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bactericidal algicide liquid filtering device, comprising a filtering device main body, a filtering assembly fixedly connected inside the filtering device main body, a filter plate arranged inside the filtering assembly, a moving frame arranged on the lower side of the filtering assembly, a connecting rod fixedly connected inside the moving frame, a sharp fixedly connected to the upper surface of the connecting rod, the sharp being matched with the filter holes on the surface of the filter plate, a rotating rod arranged on the lower side of the moving frame and rotationally connected to the inner wall of the filtering device main body, a cam sleeved on the outer surface of the rotating rod, the cam being in contact with the surface of the moving frame, a first horizontal groove arranged in the inner wall of the filtering device main body, a connecting assembly arranged in the first horizontal groove, a cleaning assembly arranged on the upper side of the filtering assembly, a through groove arranged in the inner wall of the filtering device main body, the bottom wall of the through groove being arranged as an inclined surface, a collecting box fixedly connected to the outer surface of the filtering device main body, the collecting box being connected to the inside of the filtering device main body through the through groove, a driving assembly arranged on the outer surface of the filtering device main body, an inlet arranged on the upper part of the filtering device main body, a collecting hopper slidably connected inside the collecting box and slidably extended out of the inside of the collecting box.

[0006] Preferably, the filter assembly comprises a hollow frame, a first inclined plate and a second inclined plate, the filter plate is fixedly connected to the inside of the hollow frame, the first inclined plate is fixedly connected to the hollow frame, the second inclined plate is fixedly connected to the inner wall of the filter device body, and the upper surface of the second inclined plate is flush with the bottom wall of the through groove.

[0007] Preferably, the cleaning assembly comprises a fixed plate, an extension slot, a push plate and a first spring, the fixed plate is fixedly connected to the second connecting rod, the extension slot is arranged in the inside of the fixed plate and extends out of the lower surface of the fixed plate, the push plate is slidingly connected to the inside of the extension slot, the first spring is arranged between the push plate and the top wall of the extension slot, and the two ends of the first spring are fixedly connected to the push plate and the top wall of the extension slot respectively.

[0008] Preferably, the connecting assembly comprises a reciprocating screw rod rotatingly connected to the inside of the first horizontal groove, a reciprocating screw rod sleeve is threadedly sleeved on the outer surface of the reciprocating screw rod, the reciprocating screw rod sleeve is slidingly connected to the inside of the first horizontal groove, the lower surface of the reciprocating screw rod sleeve is fixedly connected to the extension base, the inside of the extension base is slidingly connected to the first connecting rod, the outside of the first connecting rod is slidingly sleeved with a connecting block, the inside of the connecting block is slidingly sleeved with the second connecting rod, the inside of the left side vertical plate of the filter device body is provided with a first cavity, and the left ends of the rotating rod and the reciprocating screw rod are rotatingly penetrated into the inside of the first cavity.

[0009] Preferably, the inside of the connecting block is provided with a second cavity, a threaded rod is arranged in the inside of the second cavity, the lower end of the threaded rod is rotatingly connected to the upper surface of the second connecting rod, the upper end of the threaded rod is threadedly penetrated into the inside of the first connecting rod, the end of the threaded rod located in the inside of the second cavity is fixedly sleeved with a gear outside, the gear extends out of the inside of the connecting block through the second cavity, the inside wall of the filter device body is provided with a second horizontal groove, and the connecting block is slidingly connected to the inside of the second horizontal groove.

[0010] Preferably, the inside of the second horizontal groove is provided with a first tooth and a second tooth, the first tooth is located on the left side of the inner wall of the second horizontal groove, the second tooth is located on the right side of the inner wall of the second horizontal groove, the first tooth is located on the upper side of the second tooth, and the gear is meshingly connected with the first tooth and the second tooth respectively.

[0011] Preferably, the driving assembly comprises a motor, two belt pulleys and a belt, the motor is fixedly connected to the outer surface of the filter device body, the output shaft of the motor is rotatingly penetrated into the inside of the first cavity and fixedly connected to the rotating rod, the two belt pulleys are respectively sleeved on the outer surfaces of the rotating rod and the end of the reciprocating screw rod located in the inside of the first cavity, and the belt is drivingly sleeved on the outer surfaces of the two belt pulleys.

[0012] Preferably, the upper surface of the moving frame is fixedly connected with a guide rod, the guide rod is slidingly penetrated into the inside of the filter assembly, the outside of the guide rod is sleeved with a second spring, and the second spring is fixedly connected to the lower surface of the filter assembly and the upper surface of the moving frame respectively.

[0013] Compared with the prior art, the sterilization and algae-killing agent liquid filtering device has the following beneficial effects:

[0014] 1. The sterilization and algae-killing agent liquid filtering device, through the cooperation of the driving assembly, the connecting assembly, the cleaning assembly and the cam, the filter plate can be conveniently cleaned, the flow of the sterilization and algae-killing agent liquid filtering process is ensured, the liquid filtering process does not need to be paused, the process of pausing the filtering and cleaning of the residues is avoided to affect the liquid filtering effect, the filtering efficiency of the sterilization and algae-killing agent liquid is greatly improved, and the practicability is high.

[0015] 2. The sterilization and algae-killing agent liquid filtering device, through the setting of the connecting assembly, the cleaning effect of the impurities on the upper side of the filtering assembly is ensured, and the impurities are pushed to the left side when the reset is avoided as much as possible, so that the flow of the impurity cleaning work is ensured, the cleaning effect and the cleaning efficiency are ensured, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the sterilization and algae-killing agent liquid filtering device of the utility model;

[0017] Figure 2 It is a first schematic view of the internal structure of the filtering device main body of the utility model;

[0018] Figure 3 It is a second schematic view of the internal structure of the filtering device main body of the utility model;

[0019] Figure 4 It is Figure 2 It is an enlarged view of A in the middle;

[0020] Figure 5 It is a sectional structure schematic view of the connecting block of the utility model;

[0021] Figure 6 It is a sectional structure schematic view of the cleaning assembly of the utility model;

[0022] Figure 7 It is a sectional structure schematic view of the first cavity of the utility model.

[0023] In the figure: 1, filter device main body; 2, filter assembly; 3, filter plate; 4, moving frame; 5, connecting rod; 6, thorn; 7, rotating rod; 8, cam; 9, first horizontal groove; 10, cleaning assembly; 11, through groove; 12, collection box; 13, driving assembly; 14, first cavity; 15, reciprocating screw rod; 16, reciprocating screw rod sleeve; 17, telescopic base; 18, first connecting rod; 19, connecting block; 20, second connecting rod; 21, threaded rod; 22, gear; 23, second cavity; 24, second horizontal groove; 25, first tooth; 26, second tooth; 27, guide rod; 28, second spring;

[0024] 201, hollow frame; 202, first inclined plate; 203, second inclined plate;

[0025] 1001, fixed plate; 1002, telescopic groove; 1003, push plate; 1004, first spring;

[0026] 1201, collection hopper;

[0027] 1301, motor; 1302, pulley; 1303, belt. DETAILED DESCRIPTION

[0028] The technical solutions 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-7The utility model provides a technical scheme: a bactericidal algicide medicament filtering device, including filtering device main part 1, the inside fixed connection of filtering device main part 1 has filter assembly 2, the inside of filter assembly 2 is provided with filter plate 3, the downside of filter assembly 2 is provided with moving frame 4, the inside fixed connection of moving frame 4 has connecting rod 5, the upper surface fixed connection of connecting rod 5 has thorn 6, and the filter hole of thorn 6 and filter plate 3 surface is adapted, the downside of moving frame 4 is provided with rotating rod 7, and rotating rod 7 is rotatably connected on the inner wall of filtering device main part 1, the outer surface of rotating rod 7 is equipped with cam 8, and cam 8 and the surface of moving frame 4 contact, and the inner wall of filtering device main part 1 is equipped with first horizontal groove 9, and the inside of first horizontal groove 9 is provided with connecting assembly, the upside of filter assembly 2 is provided with cleaning assembly 10, and the inner wall of filtering device main part 1 is equipped with through slot 11, and the bottom wall of through slot 11 is provided as an inclined plane, and the outside fixed connection of filtering device main part 1 has collection box 12, and collection box 12 is connected through the inside of through slot 11 and filtering device main part 1, and the outer surface of filtering device main part 1 is provided with drive assembly 13, and the upper portion of filtering device main part 1 is provided with feed inlet, when the staff needs to filter bactericidal algicide medicament, first the bactericidal algicide medicament to be filtered is added to the inside of filtering device main part 1 through the feed inlet on the upper portion of filtering device main part 1, at this time, the bactericidal algicide medicament is filtered by filter plate 3, and the solid impurities in the bactericidal algicide medicament are filtered by filter plate 3, and subsequently the staff starts drive assembly 13, and the movement of drive assembly 13 first drives connecting assembly to move in the inside of first horizontal groove 9, and then the movement of connecting assembly drives the movement of cleaning assembly 10, at this time, cleaning assembly 10 cleans the impurities on the surface of filter plate 3, so that the impurities are pushed to one side of through slot 11, and subsequently the impurities are pushed into the inside of collection box 12 by cleaning assembly 10 through through slot 11, finally realizing the cleaning and collection of filter residue, and at the same time, the rotation of rotating rod 7 is also driven when drive assembly 13 moves, at this time, the rotation of rotating rod 7 drives the rotation of cam 8, so that cam 8 drives moving frame 4 to move up and down, and the movement of moving frame 4 drives the movement of connecting rod 5, and the movement of connecting rod 5 drives the movement of thorn 6, so that thorn 6 filters the filter hole on the surface of filter plate 3, and through the cooperation of drive assembly 13, connecting assembly, cleaning assembly 10 and cam 8, it is convenient to clean filter plate 3, so as to ensure the smoothness of the bactericidal algicide medicament filtering process, so that the medicament filtering process is not paused, and the influence of the process of pausing filtering and cleaning residue on the filtering effect of medicament is avoided, the filtering efficiency of bactericidal algicide medicament is greatly improved, and the practicability is higher.

[0030] Further, the filtering assembly 2 comprises a hollow frame 201, a first inclined plate 202 and a second inclined plate 203, the filtering plate 3 is fixedly connected in the interior of the hollow frame 201, the first inclined plate 202 is fixedly connected with the hollow frame 201, the second inclined plate 203 is fixedly connected with the inner wall of the filtering device main body 1, the upper surface of the second inclined plate 203 is flush with the bottom wall of the through groove 11, the sterilizing and algae-killing agent liquid is added to the left side of the filtering assembly 2, at this time, the filtering plate 3 realizes the filtration of the sterilizing and algae-killing agent liquid, if the sterilizing and algae-killing agent liquid splashes, it will flow back to one side of the filtering plate 3 through the first inclined plate 202.

[0031] Further, the cleaning assembly 10 comprises a fixed plate 1001, a telescopic groove 1002, a push plate 1003 and a first spring 1004, the fixed plate 1001 is fixedly connected with the second connecting rod 20, the telescopic groove 1002 is arranged in the interior of the fixed plate 1001 and extends out of the lower surface of the fixed plate 1001, the push plate 1003 is slidingly connected in the interior of the telescopic groove 1002, the first spring 1004 is arranged between the push plate 1003 and the top wall of the telescopic groove 1002, the two ends of the first spring 1004 are fixedly connected with the push plate 1003 and the top wall of the telescopic groove 1002 respectively, through the arrangement of the push plate 1003 and the first spring 1004, it is guaranteed that the cleaning assembly 10 can always contact with the filtering assembly 2 when moving to the right side, so as to guarantee the cleaning effect of the impurities.

[0032] Further, the connecting assembly comprises a reciprocating screw rod 15 rotatably connected in the first transverse groove 9, an outer surface of the reciprocating screw rod 15 is threadedly sleeved with a reciprocating screw rod sleeve 16, the reciprocating screw rod sleeve 16 is slidably connected in the first transverse groove 9, the reciprocating screw rod 15 and the reciprocating screw rod sleeve 16 are both existing structures, and the specific model is a reciprocating screw rod module FSM0401-C3-1R-0085, so excessive description will not be given herein, a lower surface of the reciprocating screw rod sleeve 16 is fixedly connected with an extension base 17, an inner portion of the extension base 17 is slidably connected with a first connecting rod 18, an outer portion of the first connecting rod 18 is slidably sleeved with a connecting block 19, an inner portion of the connecting block 19 is slidably sleeved with a second connecting rod 20, the inner portion of the connecting block 19 is provided with a second cavity 23, an inner portion of the second cavity 23 is provided with a threaded rod 21, a lower end of the threaded rod 21 is rotatably connected with an upper surface of the second connecting rod 20, an upper end of the threaded rod 21 is threadedly penetrated into the inner portion of the first connecting rod 18, an outer portion of one end of the threaded rod 21 located in the inner portion of the second cavity 23 is fixedly sleeved with a gear 22, the gear 22 extends out of the inner portion of the connecting block 19 through the second cavity 23, an inner wall of the filter device main body 1 is provided with a second transverse groove 24, the connecting block 19 is slidably connected in the inner portion of the second transverse groove 24, the inner portion of the second transverse groove 24 is provided with a first tooth 25 and a second tooth 26, the first tooth 25 is located on the left side of the inner wall of the second transverse groove 24, the second tooth 26 is located on the right side of the inner wall of the second transverse groove 24, the first tooth 25 is located on the upper side of the second tooth 26, the gear 22 is meshingly connected with the first tooth 25 and the second tooth 26 respectively, rotation of the reciprocating screw rod 15 can drive the reciprocating screw rod sleeve 16 to slide in the first transverse groove 9, movement of the reciprocating screw rod sleeve 16 can drive the extension base 17 to move, movement of the extension base 17 can drive the first connecting rod 18 to move, movement of the first connecting rod 18 can drive the connecting block 19 to move, movement of the connecting block 19 can drive the second connecting rod 20 to move, thereby driving the cleaning assembly 10 to move, when the cleaning assembly 10 moves to the right side to the gear 22 and the second tooth 26 are in contact, the gear 22 will rotate, at this time, rotation of the gear 22 will drive the threaded rod 21 to rotate, because the threaded rod 21 is rotatably connected with the second connecting rod 20 and threadedly connected with the first connecting rod 18, when the threaded rod 21 rotates, the gear 22 and the second connecting rod 20 will move upward until the gear 22 and the second tooth 26 are separated, at this time, the second connecting rod 20 will not move upward any more, thereby realizing that when the cleaning assembly 10 moves to the right side to the end, the cleaning assembly 10 will move upward to the upper side of the filtering assembly 2, subsequent rotation of the reciprocating screw rod 15, at this time, the connecting assembly will move to the left side, after moving to the left side to the gear 22 and the first tooth 25 are in contact, the gear 22 will drive the threaded rod 21 to reversely rotate, thereby making the second connecting rod 20 descend, when the gear 22 and the first tooth 25 are separated, the descending is stopped, at this time, the cleaning assembly 10 will be in contact with the filtering assembly 2 again,The arrangement of the connecting assembly ensures the cleaning effect of the impurities on the upper side of the filtering assembly 2, and also avoids the situation that the impurities are pushed to the left side during resetting, thereby ensuring the smoothness of the impurity cleaning work, ensuring the cleaning effect and cleaning efficiency, and having high practicability.

[0033] Further, the first cavity 14 is arranged in the left vertical plate of the filtering device body 1, and the left end of the rotating rod 7 and the reciprocating screw rod 15 are rotatably arranged in the first cavity 14.

[0034] Further, the driving assembly 13 comprises a motor 1301, two belt pulleys 1302, and a belt 1303. The motor 1301 is fixedly connected to the outer surface of the filtering device body 1. The output shaft of the motor 1301 is rotatably arranged in the first cavity 14 and is fixedly connected to the rotating rod 7. The two belt pulleys 1302 are respectively arranged on the outer surfaces of the ends of the rotating rod 7 and the reciprocating screw rod 15 in the first cavity 14. The belt 1303 is arranged on the outer surfaces of the two belt pulleys 1302. By starting the motor 1301, the synchronous rotation of the rotating rod 7 and the reciprocating screw rod 15 can be realized through the cooperation of the output shaft of the motor 1301 and the two belt pulleys 1302 and the belt 1303.

[0035] Further, the upper surface of the moving frame 4 is fixedly connected with a guide rod 27, the guide rod 27 is slidably arranged in the filtering assembly 2, the outer surface of the guide rod 27 is sleeved with a second spring 28, the second spring 28 is fixedly connected with the lower surface of the filtering assembly 2 and the upper surface of the moving frame 4 respectively. The rotation of the rotating rod 7 drives the rotation of the cam 8, thereby realizing the movement of the moving frame 4. At this time, the guide rod 27 will slide in the filtering assembly 2, and the second spring 28 will be deformed.

[0036] Further, the inside of the collecting box 12 is slidably connected with a collecting hopper 1201, and the collecting hopper 1201 is slidably extended out of the inside of the collecting box 12.

[0037] Working principle:

[0038] The bactericidal algicide liquid filtering device, when in use, when the staff needs to filter the bactericidal algicide liquid, first adds the bactericidal algicide liquid to be filtered to the inside of the filtering device main body 1 through the feed inlet on the upper part of the filtering device main body 1, at this time, the bactericidal algicide liquid is filtered by the filter plate 3, and the solid impurities in the bactericidal algicide liquid are filtered by the filter plate 3, then the staff starts the driving assembly 13, the movement of the driving assembly 13 first drives the connecting assembly to move in the first transverse groove 9, and then the movement of the connecting assembly drives the movement of the cleaning assembly 10, at this time, the cleaning assembly 10 cleans the impurities on the surface of the filter plate 3, so that the impurities are pushed to one side of the through groove 11, and then the impurities are pushed into the inside of the collecting box 12 by the cleaning assembly 10 through the through groove 11, finally, the cleaning and collection of the filter residue are realized, at the same time, the movement of the driving assembly 13 also drives the rotating rod 7 to rotate, at this time, the rotation of the rotating rod 7 drives the rotation of the cam 8, so that the cam 8 drives the movement of the moving frame 4, the movement of the moving frame 4 drives the movement of the connecting rod 5, the movement of the connecting rod 5 drives the movement of the sharp 6, so that the sharp 6 can dredge the filter hole on the surface of the filter plate 3.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bactericidal and algicidal agent liquid filtering device comprising a filtering device main body (1), characterized in that: The inside of the filter device body (1) is fixedly connected with a filter assembly (2), the inside of the filter assembly (2) is provided with a filter plate (3), the lower side of the filter assembly (2) is provided with a moving frame (4), the inside of the moving frame (4) is fixedly connected with a connecting rod (5), the upper surface of the connecting rod (5) is fixedly connected with a thorn (6), the thorn (6) is matched with the filter hole on the surface of the filter plate (3), the lower side of the moving frame (4) is provided with a rotating rod (7), the rotating rod (7) is rotatably connected to the inner wall of the filter device body (1), the outer surface of the rotating rod (7) is sleeved with a cam (8), the cam (8) is in contact with the surface of the moving frame (4), the inner wall of the filter device body (1) is provided with a first horizontal groove (9), the inside of the first horizontal groove (9) is provided with a connecting assembly, the upper side of the filter assembly (2) is provided with a cleaning assembly (10), the inner wall of the filter device body (1) is provided with a through groove (11), the bottom wall of the through groove (11) is provided as an inclined surface, the outside of the filter device body (1) is fixedly connected with a collecting box (12), the inside of the collecting box (12) is connected with the inside of the filter device body (1) through the through groove (11), the outer surface of the filter device body (1) is provided with a driving assembly (13), the upper part of the filter device body (1) is provided with a feeding port, the inside of the collecting box (12) is slidably connected with a collecting hopper (1201), the collecting hopper (1201) slidably extends out of the inside of the collecting box (12).

2. The bactericidal and algicidal agent liquid filtering device according to claim 1, characterized in that: The filter assembly (2) comprises a hollow frame (201), a first inclined plate (202) and a second inclined plate (203), the filter plate (3) is fixedly connected in the inside of the hollow frame (201), the first inclined plate (202) is fixedly connected with the hollow frame (201), the second inclined plate (203) and the first inclined plate (202) are fixedly connected with the inner wall of the filter device body (1), the upper surface of the second inclined plate (203) is flush with the bottom wall of the through groove (11).

3. The sterilizing and algicidal agent liquid filtering device according to claim 1, characterized in that: The cleaning assembly (10) comprises a fixed plate (1001), an expansion slot (1002), a push plate (1003) and a first spring (1004), the fixed plate (1001) is fixedly connected with the second connecting rod (20), the expansion slot (1002) is formed in the inside of the fixed plate (1001) and extends out of the lower surface of the fixed plate (1001), the push plate (1003) is slidably connected in the inside of the expansion slot (1002), the first spring (1004) is arranged between the push plate (1003) and the top wall of the expansion slot (1002), and the two ends of the first spring (1004) are fixedly connected with the push plate (1003) and the top wall of the expansion slot (1002) respectively.

4. The sterilizing and algicidal agent liquid filtering device according to claim 1, characterized in that: The connecting assembly comprises a reciprocating screw rod (15) rotatably connected in the first transverse groove (9), the outer surface of the reciprocating screw rod (15) is threadedly sleeved with a reciprocating screw rod sleeve (16), the reciprocating screw rod sleeve (16) is slidably connected in the first transverse groove (9), the lower surface of the reciprocating screw rod sleeve (16) is fixedly connected with an extension base (17), the inside of the extension base (17) is slidably connected with a first connecting rod (18), the outside of the first connecting rod (18) is slidably sleeved with a connecting block (19), the inside of the connecting block (19) is slidably sleeved with a second connecting rod (20), the left vertical plate of the filter device body (1) is provided with a first cavity (14), and the left ends of the rotating rod (7) and the reciprocating screw rod (15) are rotatably penetrated into the inside of the first cavity (14).

5. The bactericidal and algal agent liquid filtering device according to claim 4, characterized in that: The inside of the connecting block (19) is provided with a second cavity (23), the inside of the second cavity (23) is provided with a threaded rod (21), the lower end of the threaded rod (21) is rotatably connected with the upper surface of the second connecting rod (20), the upper end of the threaded rod (21) is threadedly penetrated into the inside of the first connecting rod (18), the end of the threaded rod (21) outside the second cavity (23) is fixedly sleeved with a gear (22), the gear (22) extends out of the inside of the connecting block (19) through the second cavity (23), and the inner wall of the filter device body (1) is provided with a second transverse groove (24). The connecting block (19) is slidably connected in the second transverse groove (24).

6. The bactericidal and algal agent liquid filtering device according to claim 5, characterized in that: The inside of the second transverse groove (24) is provided with a first tooth (25) and a second tooth (26), the first tooth (25) is located on the left side of the inner wall of the second transverse groove (24), the second tooth (26) is located on the right side of the inner wall of the second transverse groove (24), the first tooth (25) is located on the upper side of the second tooth (26), and the gear (22) is rotatably connected with the first tooth (25) and the second tooth (26).

7. The bactericidal and algal agent liquid filtering device according to claim 4, characterized in that: The driving assembly (13) comprises a motor (1301), two belt pulleys (1302) and a belt (1303), the motor (1301) is fixedly connected to the outer surface of the filter device body (1), the output shaft of the motor (1301) is rotatably penetrated into the inside of the first cavity (14) and fixedly connected with the rotating rod (7), the two belt pulleys (1302) are respectively sleeved on the outer surfaces of the ends of the rotating rod (7) and the reciprocating screw rod (15) located in the first cavity (14), and the belt (1303) is drivingly sleeved on the outer surfaces of the two belt pulleys (1302).

8. The sterilizing and algae-removing agent liquid filtering device according to claim 1, characterized in that: The upper surface of the moving frame (4) is fixedly connected with a guide rod (27), the guide rod (27) is slidably penetrated into the inside of the filter assembly (2), the outside of the guide rod (27) is sleeved with a second spring (28), and the second spring (28) is fixedly connected with the lower surface of the filter assembly (2) and the upper surface of the moving frame (4).

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