CN116272064A - A segmented backwash decontamination filter with automatic replacement filter structure - Google Patents

Abstract

The application provides an automatic replacement filtration's sectional type back flush scrubbing filter belongs to filter technical field to solve current back flush scrubbing filter and can not launch the extension filter plate automatically when the filter plate blocks up when using, can not utilize rivers to dredge the plug automatically when one of them filter plate blocks up moreover, including first barrel, the fixed plate that is provided with on the right side of first barrel, the rear side fixedly connected with second barrel of fixed plate, the top fixedly connected with overlap joint piece of second barrel, the third barrel is installed to the top of overlap joint piece, the right side of third barrel is connected with first connecting pipe, and the left side of third barrel is connected with the second connecting pipe, the inside slidable mounting of first barrel has first filter plate, automatic switching component is installed in the left side of first filter plate. The utility model discloses can utilize rivers to dredge the jam thing voluntarily when the filter plate is blockked up, can utilize the water pressure to change the filtration voluntarily when blockking up moreover.

Description

A segmented backwash decontamination filter with automatic filter structure replacement

technical field

The invention relates to the technical field of filters, in particular to a segmented backwashing decontamination filter with an automatic replacement filter structure.

Background technique

Backwash decontamination filter is a common filter type, mainly used for filtering and removing impurities and particles in liquid, gas and other media. Backwash decontamination filters are widely used in industrial production and manufacturing processes in various fields such as water treatment, chemical industry, metallurgy, and machinery manufacturing. There are also some defects in the existing backwash decontamination filter in use.

For example, the backwash decontamination filter disclosed by the publication number CN108379897A with multi-stage filtration and automatic decontamination can automatically decontaminate and remove impurities and relieve pressure, perform graded filtration of impurities in the pipeline, and absorb and decontaminate iron particles through an electromagnet device. For the backwash decontamination filter for analytical drainage, the filter tube is provided with filter components with gradually decreasing pore diameter from the inlet direction to the outlet direction. The structure is simple, convenient and practical, and can effectively improve the decontamination and impurity removal effect in the fluid transportation pipeline. Although the above-mentioned filter can improve the decontamination effect, in actual use, the extended filter plate cannot be automatically activated when the filter plate is blocked, and it does not have the function of automatically replacing the filter structure. It is inconvenient to use water flow to automatically clear the blockage when one of the filter plates is blocked, and the existing backwash decontamination filter does not have segmented multi-stage filtration function, and the filtering effect is poor. When water enters, the filter plate is automatically cleaned by water pressure.

Contents of the invention

In view of the problems existing in existing filters, the present invention is proposed.

In order to solve the above technical problems, the present invention provides the following technical solution: a segmented backwash decontamination filter that automatically replaces the filter structure, including a first cylinder, and the right side of the first cylinder is fixedly provided with a fixed plate, the rear side of the fixed plate is fixedly connected with a second cylinder, the top of the second cylinder is fixedly connected with a lap block, and a third cylinder is installed above the lap block, and the right side of the third cylinder The first connecting pipe is connected to the side, and the second connecting pipe is connected to the left side of the third cylinder. The first filter plate is slidably installed inside the first cylinder, and an automatic filter plate is installed on the left side of the first filter plate. Switching assembly, a motor is installed on the bottom of the fixed plate, a first connecting rod is fixedly connected to the output shaft of the motor, a first bevel gear is fixedly connected to the top of the first connecting rod, and the first bevel gear The front end of the second bevel gear is meshed with a second bevel gear, the front end of the second bevel gear is fixedly connected with a suction fan, and the rear side of the suction fan is rotatably installed with a fixed rod. For fixed connection, the top of the first bevel gear is fixedly connected with a second connecting rod, an impeller is installed above the second connecting rod, and a limit block is installed in the second half of the first cylindrical body for rotation. The side of the limiting block is fixedly connected with a third filter plate, an automatic plugging assembly is installed above the third filter plate, a second filter plate is slidably installed inside the third filter plate, and the fixed plate The surface is fixedly connected with sealing rings located on the left and right sides of the first filter plate, a cleaning brush is arranged between the sealing ring and adjacent sealing rings, and the cleaning brush and the fixed plate are fixedly connected;

The automatic switch assembly includes a fixed ring fitted on the front and rear sides of the first filter plate, the upper and lower sides of the fixed ring are fixedly connected with connecting rods, the fixed ring and the first cylinder are fixedly connected, and the second The left side of a filter plate is fixedly connected with a cross bar, the front end of the cross bar is fixedly connected with a first pressure rod, the left side of the first pressure rod is fixedly connected with a first piston, and the outer side of the left half of the first piston is slidably installed There is a first U-shaped tube, the right side of the front end of the first U-shaped tube is fixedly connected with the first fixed tube, the rear side of the cross bar is fixedly connected with the second pressing bar, and the left side of the second pressing bar is fixedly connected There is a second piston, a second U-shaped tube is slidably installed on the outside of the left half of the second piston, and a second fixed tube is fixedly connected to the right side of the rear end of the second U-shaped tube. A folded plate is fixedly connected to the right side of a pressure rod, and the folded plate is connected with the first barrel through the first spring.

As a preferred solution of the present invention, the first cylinder body, the fixing plate, the second cylinder body, the bridging blocks, the third cylinder body, the first connecting pipe and the second connecting pipe are integrated, and the third The barrel body, the first connecting pipe and the second connecting pipe communicate with the first barrel body.

As a preferred solution of the present invention, the rear side of the first cylinder is threadedly mounted with a connecting cover, and the left and right sides of the connecting cover are fitted with stoppers, the stoppers are made of rubber, and the stoppers and The first cylinders are fixedly connected.

As a preferred solution of the present invention, the rear side of the fixed rod is fixedly connected with a housing, and the first bevel gear, the second bevel gear and the second connecting rod are all rotationally connected to the housing.

As a preferred solution of the present invention, the inner wall of the third filter plate and the left and right surfaces of the second filter plate are attached to each other, the front side of the second filter plate is provided with a beveled surface, and the second filter plate passes through the third filter plate. A rotating structure is formed between the filter plate, the limiting block and the first cylinder, a pull rod is fixedly connected to the rear side of the third filter plate, and an adjustment assembly is installed between the pull rod and the connecting cover.

As a preferred solution of the present invention, the automatic plugging assembly includes a first connecting block that is slidably installed on the right side of the third filter plate, and a second connecting block is slidably installed on the left side of the third filter plate. The middle of the three filter plates is fixed with a fixed block, the left and right sides of the fixed block are fixedly connected with elastic ropes, the outer side of the elastic rope is provided with an outer bushing, and the outer bushing is fixedly connected with the third filter plate. The left end of the side elastic cord is connected to the second connecting block, and the right end of the right elastic cord is connected to the first connecting block. There is a moving groove inside the third filter plate, and the first half of the moving groove is slidably installed with the first connecting block. plate, the left side of the first connecting plate is connected with the second connecting block, the second connecting plate is slidably mounted on the lower half of the moving groove, the surface of the second connecting plate is provided with a first through hole, and the first through hole is opened on the surface of the second connecting plate. A second through hole is opened on the surface of a connecting plate.

As a preferred solution of the present invention, the second connecting plate forms a first sliding structure through the first connecting block and the third filter plate, and the first connecting plate passes through the gap between the second connecting block and the third filter plate. A second sliding structure is formed between them, and the positions and numbers of the second through holes on the first connecting plate correspond to the first through holes on the second connecting plate.

As a preferred solution of the present invention, the first fixed pipe and the second fixed pipe are fixedly connected to the first cylindrical body, and the first fixed pipe and the second fixed pipe communicate with the inside of the first cylindrical body, The first filter plate forms a third sliding structure between the first pressing rod, the first piston, the first U-shaped tube, the first fixed tube and the folding plate and the first cylindrical body.

As a preferred solution of the present invention, the right half of the folded plate is bent, the folded plate, the cross bar, the first pressing rod and the first piston are integrated, and the front and rear sides of the cross bar have the same structure facing the opposite.

As a preferred solution of the present invention, the adjustment assembly includes a keyway opened on the surface of the pull rod, and a connecting sleeve is attached to the outside of the pull rod. The connection between the connecting sleeve and the connecting cover is a rotational connection. The outer sleeve is provided with a vortex spring, and the first and last ends of the vortex spring are respectively connected with the connection cover and the connection sleeve. The inside of the connection cover is fixedly connected with a key block, and the third filter plate is connected with the A telescopic structure is formed between the connecting covers.

Compared with prior art, the beneficial effect of the present invention is:

1. Through the set automatic switching component, when the water enters the device, the water flow can hit the folded plate, so that the folded plate is pushed to the right, so that the first filter plate on the device can automatically move to the right. Under the action of the cleaning brush between two adjacent sealing rings, the function of automatically cleaning the first filter plate by the impact of water flow is realized when the water enters, which solves the problem that the downstream decontamination filter cannot use water when it enters the water. The defect of automatically cleaning the filter plate under pressure.

2. Through the first fixed pipe and the second fixed pipe on the device, when the first filter plate on the device is blocked, the first piston and the second piston are automatically moved to the right by the change of the water pressure in the first cylinder. Side push to achieve the function of automatically moving the filter plate when it is blocked, thereby indirectly replacing the filter structure, and solving the defect that the existing filter cannot automatically activate the extended filter plate when the filter plate is blocked during use. The device is functional stronger advantage.

3. Through the second filter plate and the third filter plate on the device, when the water flow of the second connecting pipe flows downward, it first passes through the upper half of the third filter plate of the frame structure to filter, and then passes through the second filter plate. plate to filter and finally filter through the lower part of the third filter plate to realize the segmented filtration function, and when the upper part of the third filter plate is blocked, the water flow will flow to the left and right sides of the third filter plate, among which When the impact on one side is large, the water flow will obliquely slant the third filter plate and the second filter plate, thereby indirectly increasing the action surface of the filter plate and sewage to improve the filtering effect. At the same time, the second filter plate The two groups of through holes in the half part overlap under the impact of water flow, thereby increasing the overall size of the through holes, so as to realize the function of improving the filtering effect, and solve the defect that the existing decontamination filter has poor filtering effect during use, and When the upper part of the third filter plate is clogged, the device automatically increases the overlapping area of the two groups of filter through holes, and then uses water flow to unblock, which improves the convenience of the device and solves the problem of existing backwashing and decontamination filtration. The defect that the device cannot use water flow to automatically clear the blockage when one of the filter plates is blocked during use.

4. Through the beveled surface of the front end of the second filter plate, the device can use the water flow to impact the slope of the second filter plate when the second filter plate is blocked, so that the second filter plate has a tendency to move backward, and the staff can pass through Observe the front and rear positions of the pull rod to judge the clogging condition of the second filter plate, and when the second filter plate is clogged, the lower half of the third filter plate can be automatically enabled to perform filtering work.

5. Through the first bevel gear and the second bevel gear on the device, the impeller on the device drives the suction fan to rotate while rotating, so that the device can use negative pressure to clean the first filter plate while cleaning the first filter plate. The removal of impurities in the plate improves the functionality of the device and realizes the secondary cleaning function of the first filter plate.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Technical personnel can also obtain other drawings based on these drawings without paying creative work. in:

Fig. 1 is a schematic diagram of the overall structure of a segmented backwash decontamination filter that automatically replaces the filter structure of the present invention;

Fig. 2 is a schematic diagram of the overall structure of the automatic switching assembly of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the first cylinder of the present invention;

Fig. 4 is a schematic diagram of the structure at A in Fig. 3;

Fig. 5 is a schematic diagram of the connecting structure of the first bevel gear and the second bevel gear of the present invention;

Fig. 6 is a schematic diagram of the split structure of the second filter plate and the third filter plate of the present invention;

Fig. 7 is a schematic diagram of the installation structure of the second filter plate and the third filter plate of the present invention;

Fig. 8 is a schematic diagram of the connection structure between the first connection block and the second filter plate of the present invention;

Fig. 9 is a schematic diagram of the structure at B in Fig. 8;

Fig. 10 is a schematic diagram of the structure at C in Fig. 8;

Fig. 11 is a schematic diagram of the structure at D in Fig. 3 .

Numbers in the figure: 1, first cylinder; 2, fixed plate; 3, second cylinder; 4, lap joint block; 5, third cylinder; 6, first connecting pipe; 7, second connecting pipe; 8. The first filter plate; 9. The motor; 10. The first connecting rod; 11. The first bevel gear; 12. The second bevel gear; 13. The suction fan; 14. The fixed rod; 15. The second connecting rod; 16. Impeller; 17. Shell; 18. Connecting cover; 19. Block; 20. Pull rod; 21. Second filter plate; 22. Third filter plate; 23. Limiting block; 24. Automatic plugging assembly; 2401 , the first connection block; 2402, the second connection block; 2403, the fixed block; 2404, the outer bushing; 2405, the elastic cord; 2406, the moving groove; 2407, the first connection plate; 2408, the second connection plate; The first through hole; 2410, the second through hole; 25, the automatic switch assembly; 2501, the fixed ring; 2502, the connecting rod; 2503, the cross bar; U-shaped tube; 2507, the first fixed tube; 2508, the second pressing rod; 2509, the second piston; 2510, the second U-shaped tube; 2511, the second fixed tube; 2512, the folding plate; 2513, the first spring; 26, sealing ring; 27, cleaning brush; 28, adjustment assembly; 2801, keyway; 2802, connection sleeve; 2803, scroll spring; 2804, key block.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. Similarly generalized, the present invention is therefore not limited by the specific embodiments disclosed below.

Secondly, the present invention is described in detail in conjunction with schematic diagrams. When describing the implementation of the present invention in detail, for the convenience of explanation, the cross-sectional view showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not be limited here. The protection scope of the present invention. In addition, the three-dimensional space dimensions of length, width and depth should be included in actual production.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

As shown in Figures 1-11, a segmented backwash decontamination filter that automatically replaces the filter structure includes a first cylinder 1, a fixed plate 2 is fixed on the right side of the first cylinder 1, and the fixed plate The rear side of 2 is fixedly connected with the second cylindrical body 3, and the top of the second cylindrical body 3 is fixedly connected with the overlapping block 4, and the third cylindrical body 5 is installed above the overlapping block 4, and the right side of the third cylindrical body 5 The first connecting pipe 6 is connected, the second connecting pipe 7 is connected to the left side of the third cylinder body 5, the first filter plate 8 is slidably installed inside the first cylinder body 1, and the left side of the first filter plate 8 is installed with The automatic switch assembly 25, the first filter plate 8 can cooperate with the automatic switch assembly 25, so that the device can automatically move the first filter plate 8 to the right when the first filter plate 8 is blocked, thereby indirectly realizing the function of replacing the filter structure, the fixed plate The bottom of 2 is equipped with a motor 9, the output shaft of the motor 9 is fixedly connected with a first connecting rod 10, the top of the first connecting rod 10 is fixedly connected with a first bevel gear 11, and the front end of the first bevel gear 11 is meshed with a first connecting rod 10. Two bevel gears 12, the front end of the second bevel gear 12 is fixedly connected with an air suction fan 13, and the rear side of the air suction fan 13 is rotatably equipped with a fixed rod 14, which is fixedly connected between the fixed rod 14 and the second cylindrical body 3, and the second cylinder body 3 is fixedly connected. The top of a bevel gear 11 is fixedly connected with a second connecting rod 15, an impeller 16 is installed above the second connecting rod 15, and a limit block 23 is installed on the inner rotation of the second half of the first cylindrical body 1, and the side of the limit block 23 A third filter plate 22 is fixedly connected, and an automatic plugging assembly 24 is installed above the third filter plate 22. The inside of the third filter plate 22 is slidably installed with a second filter plate 21, a third filter plate 22 and a second filter plate The multi-stage filtering structure composed of 21 enables the device to perform segmented filtration, and when the upper half of the third filter plate 22 is blocked, the automatic blocking function is realized by using the water flow impact and the automatic blocking assembly 24;

The surface of the fixed plate 2 is fixedly connected with sealing rings 26 located on the left and right sides of the first filter plate 8, and a cleaning brush 27 is arranged between the sealing ring 26 and the adjacent sealing rings 26, and the cleaning brush 27 and the fixed plate 2 are fixed. When the first filter plate 8 is clogged and moving, the cleaning brush 27 can clean the first filter plate 8, and under the action of the first bevel gear 11 and the second bevel gear 12, the impeller 16 and The suction fan 13 can rotate synchronously, and the device can automatically perform secondary cleaning on the clogged area of the first filter plate 8 while pumping sewage, thereby improving the filtering effect of the device;

As shown in Figures 1-3, the automatic switching assembly 25 includes a fixed ring 2501 fitted on the front and rear sides of the first filter plate 8, and the upper and lower sides of the fixed ring 2501 are fixedly connected with connecting rods 2502, the fixed ring 2501 and The first cylinders 1 are fixedly connected, the left side of the first filter plate 8 is fixedly connected with a cross bar 2503, the front end of the cross bar 2503 is fixedly connected with a first pressure rod 2504, and the left side of the first pressure rod 2504 is fixed There is a first piston 2505, the first U-shaped tube 2506 is slidably installed on the outside of the left half of the first piston 2505, the right side of the front end of the first U-shaped tube 2506 is fixedly connected with the first fixed tube 2507, and the rear side of the cross bar 2503 A second pressure rod 2508 is fixedly connected, and a second piston 2509 is fixedly connected to the left side of the second pressure rod 2508. A second U-shaped tube 2510 is slidably installed on the outside of the left half of the second piston 2509. The second U-shaped tube 2510 The right side of the rear end is fixedly connected with a second fixed tube 2511, and the right side of the second pressure rod 2508 and the right side of the first pressure rod 2504 are fixedly connected with a folded plate 2512, and the folded plate 2512 is connected with the first cylinder through the first spring 2513. Body 1 is connected. When the first filter plate 8 is clogged, the water pressure inside the first cylinder 1 increases, thereby increasing the water pressure in the first fixed pipe 2507 or the second fixed pipe 2511 in the device, pushing the first piston 2505 Or the second piston 2509, and then drive the first filter plate 8 to move to the right, so as to realize the function of automatically moving the first filter plate 8 when the local position of the first filter plate 8 is blocked, which improves the convenience of the device when it is used. The first filter plate 8 needs to be cleaned for a long time, which improves the overall functionality of the device and solves the defect that the existing decontamination filter does not have an automatic switching filter structure during use.

In this example, the first cylinder body 1, the fixing plate 2, the second cylinder body 3, the overlapping block 4, the third cylinder body 5, the first connecting pipe 6 and the second connecting pipe 7 are integrated, and the third cylinder The body 5, the first connecting pipe 6, the second connecting pipe 7 and the first cylinder body 1 communicate with each other, and the third cylinder body 5, the first connecting pipe 6, the second connecting pipe 7 and the first cylinder body communicated with each other are used. body 1, so that the device can pump sewage into the interior of the first cylinder body 1 for segmental filtration, and also pass the third cylinder body 5, the first connecting pipe 6 and the second connecting pipe 7 into the first cylinder body 1 Sewage is pumped out to realize the function of using the front and back sides of the filter plate to filter.

In this example, the rear side of the first cylinder 1 is threaded with a connecting cover 18, and the left and right sides of the connecting cover 18 are fitted with stoppers 19, the stoppers 19 are made of rubber, and the stoppers 19 and the first cylinder 1 is a fixed connection, the stopper 19 can prevent the connection cover 18 from falling off, and the connection cover 18 can also be removed by bending the rubber stopper 19, so as to clean or replace the filter plate in the device.

In this example, the rear side of the fixed rod 14 is fixedly connected with a housing 17, the first bevel gear 11, the second bevel gear 12 and the second connecting rod 15 and the housing 17 are rotationally connected, and the housing 17 can block the first The bevel gear 11 and the second bevel gear 12 ensure the normal transmission of the device, and can prevent impurities from falling into the tooth grooves in the first bevel gear 11 and the second bevel gear 12, improving the stability and durability of the device during operation.

In this example, the inner wall of the third filter plate 22 is attached to the left and right surfaces of the second filter plate 21, the front side of the second filter plate 21 is provided with a beveled surface, and the second filter plate 21 passes through the third filter plate 22 and A rotation structure is formed between the limiting block 23 and the first cylinder body 1, and the rear side of the third filter plate 22 is fixedly connected with a pull rod 20, and an adjustment assembly 28 is installed between the pull rod 20 and the connecting cover 18, and the front end of the second filter plate 21 The oblique cut surface of the second filter plate 21 can move backward when the second filter plate 21 is blocked when it is impacted by the water flow in the vertical direction. The staff can judge the position of the second filter plate 21 by observing the position of the pull rod 20 the blocking condition.

In this example, the automatic plugging assembly 24 includes a first connecting block 2401 that is slidably installed on the right side of the third filter plate 22, and a second connecting block 2402 is slidably installed on the left side of the third filter plate 22. 22 is fixedly provided with a fixed block 2403, the left and right sides of the fixed block 2403 are fixedly connected with an elastic cord 2405, the outer side of the elastic cord 2405 is provided with an outer bushing 2404, and the outer bushing 2404 and the third filter plate 22 are fixed Connection, the left end of the left side elastic cord 2405 is connected with the second connection block 2402, the right end of the right side elastic cord 2405 is connected with the first connection block 2401, the inside of the third filter plate 22 is provided with a moving groove 2406, and the upper part of the moving groove 2406 The first connecting plate 2407 is slidably installed on the half part, and the left side of the first connecting plate 2407 is connected with the second connecting block 2402. A first through hole 2409 is opened, a second through hole 2410 is opened on the surface of the first connecting plate 2407, and the moving groove 2406 enables the first connecting plate 2407 and the second connecting plate 2408 on the device to move straight and left and right, so that the first connecting plate 2407 The staggered degree of the first through hole 2409 and the second through hole 2410 is adjusted. When the upper half of the third filter plate 22 is blocked, the third filter plate 22 rotates clockwise or counterclockwise under the impact of the water flow, so that the water The flow turns and impacts the surface of the first connection block 2401 or the second connection block 2402, so that the device can automatically increase the overlapping area of the first through hole 2409 and the second through hole 2410, and realize the function of automatic blocking by water impact.

In this example, the second connecting plate 2408 forms the first sliding structure through the first connecting block 2401 and the third filter plate 22, and the first connecting plate 2407 forms between the second connecting block 2402 and the third filter plate 22. The second sliding structure, the position and quantity of the second through hole 2410 on the first connecting plate 2407 and the first through hole 2409 on the second connecting plate 2408 are in one-to-one correspondence, through the first sliding structure and the second sliding structure on the device Structure, so that the first connecting plate 2407 and the second connecting plate 2408 can adjust the overlapping area of the upper and lower two groups of through holes when moving, and then automatically increase the overlapping area of the filtering through holes when the upper half of the third filter plate 22 is blocked function.

In this example, the first fixed pipe 2507 and the second fixed pipe 2511 are fixedly connected to the first cylinder 1, and the first fixed pipe 2507 and the second fixed pipe 2511 communicate with the interior of the first cylinder 1, The first filter plate 8 passes through the first pressing rod 2504, the first piston 2505, the first U-shaped tube 2506, the first fixed tube 2507, and the folded plate 2512 to form a third sliding structure with the first cylinder 1. The third sliding structure, so that when the water pressure in the first cylinder 1 increases, the water pressure in the first fixed pipe 2507 pushes the first piston 2505 to move to the right, so that the first filter plate 8 automatically moves to the right , to realize the function of moving the first filter plate 8 to the right automatically when the first filter plate 8 is blocked.

In this embodiment, the right half of the folded plate 2512 is bent. When water enters, the water flow hits the bent portion of the folded plate 2512, so that the folded plate 2512 moves as a whole to realize the cleaning of the filter plate by using the water pressure. Function, the folding plate 2512, the cross bar 2503, the first pressing rod 2504 and the first piston 2505 are integrated to ensure the overall stability of the device. When pumping out sewage, it can realize the function of automatically moving the filter plate when the water pressure is too high, which improves the diversity of the device in use.

In this example, the adjustment assembly 28 includes a keyway 2801 opened on the surface of the pull rod 20, and a connecting sleeve 2802 is attached to the outside of the pull rod 20. The connection between the connecting sleeve 2802 and the connecting cover 18 is a rotational connection. The outer sleeve is provided with a vortex spring 2803, and the first and last ends of the vortex spring 2803 are respectively connected with the connection cover 18 and the connection sleeve 2802. The inside of the connection cover 18 is fixedly connected with a key block 2804, and the third filter plate 22 passes through the pull rod 20 and the keyway. 2801, the key block 2804 and the connection cover 18 form a telescopic structure, the vortex spring 2803 enables the third filter plate 22 to be quickly reset after rotation, which improves the convenience of the device in use, and the key groove 2801 and the key block 2804 make the device on the The pull rod 20 and the third filter plate 22 can move straight and forward, which improves the overall stability of the device.

It should be noted that the present invention is a segmented backwash decontamination filter that automatically replaces the filter structure. First, as shown in Figure 1-Figure 10, the device is driven by starting the motor 9 under the second cylinder 3 The first connecting rod 10 and the first bevel gear 11 rotate, thereby driving the second bevel gear 12 to rotate, so that the suction fan 13 and the impeller 16 rotate synchronously, so as to realize the simultaneous function of pumping sewage and suction to generate negative pressure. The air fan 13 makes the inside of the second cylinder 3 generate negative pressure, thereby sucking out the impurities in the first filter plate 8 in the second cylinder 3, and at the same time, it can also use the impeller 16 to rotate, so that the sewage can pass through the first connecting pipe 6 and the second connecting pipe 7 are pumped into the inside of the first cylinder 1, so that the device can discharge the sewage downwards. At this time, the sewage will first pass through the upper half of the third filter plate 22, as shown in Figures 8-10 , the sewage is filtered through the second through hole 2410 on the first connecting plate 2407 and the first through hole 2409 on the second connecting plate 2408 to filter out impurities of larger size. When blockage occurs, the water flow will flow to the left half of the third filter plate 22 and the right half, so that the third filter plate 22 is tilted as a whole, and the vortex spring 2803 facilitates the subsequent automatic reset of the second filter plate 21 and the third filter plate 22 , while filtering, the water flow can also impact the first connection block 2401 or the second connection block 2402, so that the overlapping area of the second through hole 2410 and the first through hole 2409 on the first connection plate 2407 and the second connection plate 2408 The area increases, the elastic cord 2405 in the outer bushing 2404 is stretched, and under the action of the vortex spring 2803, the pull rod 20, the second filter plate 21 and the third filter plate 22 are automatically reset, so that the device can be used for the upper and lower groups. The impurities in the through hole are washed away. The water flow hits the oblique surface of the front end of the second filter plate 21 for the second filtration. When the second filter plate 21 is blocked, the second filter plate 21 will automatically move backward under the action of the impact of the water flow on the inclined surface, so that the pull rod 20 By moving the key block 2804 and the key groove 2801 on the connecting sleeve 2802 straight and backward, the staff can judge the clogging degree of the second filter plate 21 by observing the position of the pull rod 20. After the second filter plate 21 is clogged, The third filtration can be performed through the lower half of the third filter plate 22, so as to realize multi-stage filtration. Subsequently, the second filter plate 21 can be removed, cleaned or replaced by the device by bending the stopper 19 and removing the connection cover 18 .

As shown in Figure 1-Figure 3 and Figure 11, the water flow will impact the surface of the first filter plate 8 to realize the third filtering function. The position is limited so that the first filter plate 8 can move straight and left and right. When the first filter plate 8 is blocked, the water pressure in the left half of the first cylinder 1 increases, and the second U-shaped pipe 2510 and the second fixed The water pressure in the pipe 2511 increases, and the second piston 2509 at the front end of the second pressure rod 2508 is pushed backward under the water pressure, so that the cross bar 2503 and the first filter plate 8 move to the right, thereby realizing the automatic movement of the first filter plate 8. The function of the filter plate 8, by changing the left and right positions of the first filter plate 8, the device can indirectly switch the filter structure when the first filter plate 8 is blocked. The water pressure in the first half of the first cylinder 1 increases, so that the water pressure in the first U-shaped pipe 2506 and the first fixed pipe 2507 increases, so that the first pressure rod 2504 and the first piston 2505 move backward, and the first The filter plate 8 can be pushed to the right, thereby using the unblocked first filter plate 8 to filter, while the first filter plate 8 is moving, the sealing ring 26 ensures that the device can be in a closed state, and the cleaning brush 27 enables the device to A filter plate 8 can be cleaned automatically while moving. The device can also use the impact of the water flow to move the flap 2512 to the right when water enters, and drive the first filter plate 8 to move to the right, thereby realizing the function of automatically cleaning the first filter plate 8. The first spring 2513 is used for Reset the first filter plate 8 .

While the invention has been described above with reference to the embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be used in combination with each other in any way, and the description of these combinations is not exhaustive in this specification only to show In consideration of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (10)

1. A segmented backwash decontamination filter that automatically replaces the filter structure, including a first cylinder (1), characterized in that: the right side of the first cylinder (1) is fixed with a fixed plate ( 2), the rear side of the fixed plate (2) is fixedly connected with the second cylinder (3), and the top of the second cylinder (3) is fixedly connected with the lapping block (4), and the lapping block (4) A third cylinder (5) is installed above, the first connecting pipe (6) is connected to the right side of the third cylinder (5), and the second connecting pipe (6) is connected to the left side of the third cylinder (5) 7), the inside of the first cylinder (1) is slidably installed with a first filter plate (8), the left side of the first filter plate (8) is equipped with an automatic switching assembly (25), and the fixed plate A motor (9) is installed at the bottom of (2), the output shaft of the motor (9) is fixedly connected with a first connecting rod (10), and the top of the first connecting rod (10) is fixedly connected with a first cone gear (11), the front end of the first bevel gear (11) is meshed with a second bevel gear (12), and the front end of the second bevel gear (12) is fixedly connected with a suction fan (13), the The rear side of the suction fan (13) is rotatably installed with a fixed rod (14), which is fixedly connected to the second cylinder (3), and the top of the first bevel gear (11) A second connecting rod (15) is fixedly connected, an impeller (16) is installed above the second connecting rod (15), and a stopper (23) is installed on the inner rotation of the second half of the first cylinder (1). ), the side of the limiting block (23) is fixedly connected with a third filter plate (22), and an automatic blocking assembly (24) is installed above the third filter plate (22), and the third filter plate The second filter plate (21) is slidingly installed inside (22), and the surface of the fixed plate (2) is fixedly connected with sealing rings (26) located on the left and right sides of the first filter plate (8), and the sealing ring A cleaning brush (27) is provided between (26) and the adjacent sealing ring (26), and the cleaning brush (27) is fixedly connected to the fixed plate (2); The automatic switch assembly (25) includes a fixed ring (2501) that is fitted on the front and rear sides of the first filter plate (8), and the upper and lower sides of the fixed ring (2501) are fixedly connected with connecting rods (2502). There is a fixed connection between the ring (2501) and the first cylinder (1), the left side of the first filter plate (8) is fixedly connected with a crossbar (2503), and the front end of the crossbar (2503) is fixedly connected with a second A compression rod (2504), the first piston (2505) is fixedly connected to the left side of the first compression rod (2504), and the first U-shaped pipe (2506) is slidably installed on the outside of the left half of the first piston (2505) ), the right side of the front end of the first U-shaped pipe (2506) is fixedly connected with the first fixed pipe (2507), and the rear side of the cross bar (2503) is fixedly connected with the second pressure rod (2508), and the second The left side of the pressure rod (2508) is fixedly connected with the second piston (2509), and the outside of the left half of the second piston (2509) is slidably installed with the second U-shaped tube (2510), behind the second U-shaped tube (2510) The right side of the end is fixedly connected with a second fixed pipe (2511), and the right side of the second pressure rod (2508) and the right side of the first pressure rod (2504) are fixedly connected with a folded plate (2512). The plate (2512) is connected with the first barrel (1) through the first spring (2513). 2. A segmented backwash decontamination filter that automatically replaces the filter structure according to claim 1, characterized in that: the first cylinder (1), the fixing plate (2), the second cylinder ( 3), the overlapping block (4), the third cylinder (5), the first connecting pipe (6) and the second connecting pipe (7) are integrated, the third cylinder (5), the first connecting pipe The pipe (6) and the second connecting pipe (7) communicate with the first cylinder (1). 3. A segmented backwash decontamination filter with automatic replacement filter structure according to claim 1, characterized in that: the rear side of the first cylinder (1) is threaded with a connecting cover (18), The left and right sides of the connection cover (18) are fitted with stoppers (19), the stoppers (19) are made of rubber, and the stoppers (19) and the first cylinder (1) are fixedly connected . 4. A segmented backwash decontamination filter that automatically replaces the filter structure according to claim 1, characterized in that: the rear side of the fixed rod (14) is fixedly connected with a housing (17), and the second The first bevel gear (11), the second bevel gear (12), the second connecting rod (15) and the casing (17) are all rotationally connected. 5. A segmented backwash decontamination filter that automatically replaces the filter structure according to claim 3, characterized in that: the inner wall of the third filter plate (22) and the left and right sides of the second filter plate (21) The surfaces are attached to each other, and the front side of the second filter plate (21) is provided with a beveled surface, and the second filter plate (21) is connected to the first cylinder ( 1) form a rotating structure between them, the rear side of the third filter plate (22) is fixedly connected with a pull rod (20), and an adjustment assembly (28) is installed between the pull rod (20) and the connection cover (18). 6. A segmented backwash decontamination filter with automatic replacement filter structure according to claim 5, characterized in that: the automatic unclogging component (24) includes and is slidably installed on the third filter plate (22) The first connecting block (2401) on the right side, the second connecting block (2402) is slidably installed on the left side of the third filter plate (22), and the middle of the third filter plate (22) is fixedly provided with a fixed block (2403 ), the left and right sides of the fixed block (2403) are fixedly connected with an elastic cord (2405), and the outer side of the elastic cord (2405) is provided with an outer bushing (2404), and the outer bushing (2404) is connected to the third filter plate ( 22) are fixedly connected, the left end of the left elastic cord (2405) is connected with the second connecting block (2402), the right end of the right elastic cord (2405) is connected with the first connecting block (2401), and the third The inside of the filter plate (22) is provided with a moving slot (2406), the upper half of the moving slot (2406) is slidably installed with a first connecting plate (2407), and the left side of the first connecting plate (2407) is connected with the second connecting block (2402), the second connecting plate (2408) is slidably installed on the lower half of the moving slot (2406), and the surface of the second connecting plate (2408) is provided with a first through hole (2409), the A second through hole (2410) is opened on the surface of the first connecting plate (2407). 7. A segmented backwash decontamination filter that automatically replaces the filter structure according to claim 6, characterized in that: the second connecting plate (2408) connects with the third filter through the first connecting block (2401) A first sliding structure is formed between the plates (22), and a second sliding structure is formed between the first connecting plate (2407) and the third filter plate (22) through the second connecting block (2402), and the first connecting The positions and numbers of the second through holes ( 2410 ) on the board ( 2407 ) correspond to the first through holes ( 2409 ) on the second connection board ( 2408 ). 8. A segmented backwash decontamination filter that automatically replaces the filter structure according to claim 1, characterized in that: the first fixed pipe (2507) and the second fixed pipe (2511) are connected with the first cylinder The bodies (1) are fixedly connected, the first fixed pipe (2507) and the second fixed pipe (2511) communicate with the inside of the first cylinder (1), and the first filter plate (8) passes through the first The third sliding structure is formed between the pressure rod (2504), the first piston (2505), the first U-shaped tube (2506), the first fixed tube (2507) and the folding plate (2512) and the first cylinder (1) . 9. A segmented backwash decontamination filter that automatically replaces the filter structure according to claim 8, characterized in that: the right half of the flap (2512) is bent, and the flap (2512) , the cross bar (2503), the first pressing rod (2504) and the first piston (2505) are integrated, and the front and rear sides of the cross bar (2503) have the same structure and face opposite. 10. A segmented backwash decontamination filter that automatically replaces the filter structure according to claim 5, characterized in that: the adjustment assembly (28) includes a keyway (2801) opened on the surface of the pull rod (20), The outer side of the tie rod (20) is fitted with a connecting sleeve (2802), the connection between the connecting sleeve (2802) and the connecting cover (18) is a rotational connection, and the outer sleeve of the connecting sleeve (2802) is provided with a scroll The spring (2803), the first and last ends of the vortex spring (2803) are respectively connected with the connection cover (18) and the connection sleeve (2802), and the inside of the connection cover (18) is fixedly connected with a key block (2804), the The third filter plate (22) forms a telescopic structure between the tie rod (20), the keyway (2801) and the key block (2804) and the connection cover (18).

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