CN220176210U - Filter - Google Patents

Abstract

The utility model relates to a filter, comprising a box body; the cylinder body is arranged in the box body; the filter assembly is connected with the cylinder body and comprises filter cloth, a plurality of first connecting rods connected with the filter cloth and a plurality of second connecting rods hinged with the plurality of first connecting rods; the floating assembly is connected with the filtering assembly and comprises a first rod, a plurality of floating blocks connected with the first rod, a sliding shaft connected with the first rod and an inner sliding block connected with the sliding shaft; and the filter screen is fixedly connected with the box body. According to the filter, the floating component generates buoyancy to drive the filter component to work, so that automatic operation and resetting and automatic flushing of filter cloth can be realized, external power is not needed, and labor is saved.

Description

Filter

Technical Field

The utility model relates to the field of environmental protection, in particular to a filter.

Background

The hydropower station is a comprehensive engineering facility for converting water energy into electric energy, most of water introduced from the outside contains impurities, and excessive accumulation of the impurities can influence the rotation of the water turbine so as to influence the power generation, so that the water entering the generator set needs to be filtered; the filter that now uses adopts the water pump as power, still needs the manual work to carry out the control of water pump, and complex operation.

Disclosure of Invention

In order to solve the above problems in the prior art, an object of the present utility model is to provide a filter, which specifically adopts the following technical scheme:

a filter comprising a housing (1); the cylinder body (2) is arranged in the box body (1); the filter assembly (3), the filter assembly (3) is connected with the cylinder body (2), the filter assembly (3) comprises a filter cloth (31), a plurality of first connecting rods (32) connected with the filter cloth (31) and a plurality of second connecting rods (33) hinged with the plurality of first connecting rods (32); -a float assembly (4), said float assembly (4) being connected to said filter assembly (3), said float assembly (4) comprising a first rod (41), a plurality of float blocks (43) connected to said first rod (41), a sliding shaft (42) connected to said first rod (41) and an inner slide block (49) connected to said sliding shaft (42); and the filter screen (6), the filter screen (6) is fixedly connected with the box body (1). The floating component drives the contraction and the expansion of the filter component through buoyancy, so that the automatic running and the resetting of the filter can be realized, and the filter cloth can be automatically washed.

In some embodiments, the filter further comprises a connection block (5), the connection block (5) being connected to the cartridge (2), the connection block (5) further being hinged to the plurality of first links (32). For mounting the filter assembly and allowing the filter assembly to rotate about the connection block.

In some embodiments, the connection block (5) is in a circular cylinder structure, and the inner diameter size of the connection block (5) is smaller than the inner diameter size of the cylinder (2). When the filter works normally, the floating assembly is limited above the connecting block to block the through hole of the lower half part of the cylinder.

In some embodiments, the lower end of the filter cloth (31) is connected with the connection block (5), and the opening of the upper end of the filter cloth (31) is larger than the opening of the lower end of the filter cloth (31). The filter cloth forms an umbrella-shaped structure, which is convenient for collecting and filtering sewage entering the box body.

In some embodiments, the floating assembly (4) comprises a sliding ring (44), the sliding ring (44) is sleeved on the cylinder (2), and the sliding ring (44) is hinged with the plurality of second connecting rods (33). The sliding ring can move up and down along the cylinder body, so that the filter cloth can be conveniently contracted and expanded.

In some embodiments, the floating assembly (4) further comprises a third rod (45) and a fourth rod (46) connected to the first rod (41), the third rod (45) and the fourth rod (46) being further connected to the sliding ring (44), respectively. The sliding ring is convenient to be driven to move up and down.

In some embodiments, the filter further comprises a spring (71), the spring (71) being arranged inside the cylinder (2). The inner sliding block is limited below the elastic sheet, so that the inner sliding block blocks the through hole of the lower half part of the cylinder body, and the floating assembly is prevented from floating upwards when contacting water.

In some embodiments, the portion of the cylinder (2) near the lower end is provided with a plurality of through holes (21). The sludge and impurities generated by filtration are conveniently discharged.

According to the filter, sewage entering the box body is filtered through the filter cloth, when the filter cloth is blocked, the sewage in the box body rises, when the buoyancy of the floating assembly overcomes the elastic force of the elastic sheet, the floating assembly rises to drive the filter cloth to shrink and enable the through hole of the cylinder body to be opened, sludge on the filter cloth enters the sludge discharge pipe through the through hole to be discharged, after the water level drops, the floating assembly falls back, the filter cloth is unfolded to filter the sewage again, a fixed filter screen is further arranged to filter the unfiltered sewage of the filter cloth again, and thus the filtering of the sewage can be repeatedly realized; according to the filter, the floating component generates buoyancy to drive the filter component to work, so that automatic operation and resetting and automatic flushing of filter cloth can be realized, external power is not needed, and labor is saved.

Drawings

Other features and advantages of the utility model are seen in the following description, which explains the utility model in more detail on the basis of embodiments with reference to the drawings.

FIG. 1 is a schematic diagram of a filter in normal operation;

FIG. 2 is a schematic view showing the water level beginning to rise when the filter cloth of the filter is plugged;

FIG. 3 is a schematic illustration of the filter when the water level rises and the water floods the floe;

FIG. 4 is a schematic view of the filter cloth of the filter contracting and beginning to drain mud;

FIG. 5 is a partial enlarged view at B in FIG. 4;

fig. 6 is a partial enlarged view at C in fig. 5.

Wherein, each reference numeral in the figure mainly refers to as follows:

1-a box body 11-a side wall 12-a bottom wall 13-a water outlet 2-a cylinder 21-a through hole 3-a filtering component 31-a filter cloth 32-a lower connecting rod 33-an upper connecting rod 4-a floating component 41-an upper rod 42-a sliding shaft 43-a floating block 43 b-a left floating block 43 b-a right floating block 44-a sliding ring 45-a left inner rod 46-a right inner rod 47-a left outer rod 48-a right outer rod 49-an inner slide block 5-a connecting block 6-a filter screen 71-a spring 72-a spring 73-a connecting plate 731-a left plate 732-a lower plate 8-a mud pipe 9-a mud pipe 91-a horizontal pipe 92-a vertical pipe 10-a fixed part A-a sewage

Detailed Description

Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be noted that the terms "upper", "lower", "left", "right", "front", "rear" and the like are used herein for illustrative purposes only and are not limiting of the present utility model.

A filter, comprising a case 1; a cylinder 2, wherein the cylinder 2 is arranged inside the box 1; a filter assembly 3, the filter assembly 3 being connected to the cylinder 2, the filter assembly 3 including a filter cloth 31, a plurality of lower links (as an example of a "first link") 32 connected to the filter cloth 31, and a plurality of upper links (as an example of a "second link") 33 hinged to the plurality of lower links 32; a float assembly 4, the float assembly 4 being connected to the filter assembly 3, the float assembly 4 including an upper rod (as an example of a "first rod") 41, a plurality of float blocks 43 connected to the upper rod 41, a slide shaft 42 connected to the upper rod 41, and an inner slide block 49 connected to the slide shaft 42; and the filter screen 6, the filter screen 6 is fixedly connected with the box body 1.

As shown in fig. 1, the upper cover of the case 1 has a water inlet, and the water inlet needs to be arranged above the filter cloth 31, so that water entering the case 1 can be filtered by the filter cloth 31; the box body 1 is provided with an inner cavity, the filtering component 3, the floating component 4 and the filter screen 6 are all arranged in the inner cavity of the box body 1, the box body 1 is also provided with a bottom wall 12 and a side wall 11 which limit the inner cavity, and a fixing part 10 is welded at the center of the bottom wall 12; the left side of box 1 is close to the part of lower extreme and sets up delivery port 13 for the clear water that produces after filtering sewage is discharged, and the right side of box 1 is close to the part of lower extreme and sets up the mud mouth, is used for being connected with mud pipe 9, is convenient for discharge mud and other impurity after filtering.

In some embodiments, the filter further comprises a connection block 5, the connection block 5 being connected to the cylinder 2, the connection block 5 further being hinged to a plurality of lower links 32.

In some embodiments, the connection block 5 is in the structure of a circular cylinder, and the inner diameter dimension of the connection block 5 is smaller than the inner diameter dimension of the cylinder 2.

In some embodiments, the lower end of the filter cloth 31 is connected to the connection block 5, and the opening of the upper end of the filter cloth 31 is larger than the opening of the lower end of the filter cloth 31.

As shown in fig. 1, the connecting block 5 and the cylinder 2 are both in a circular cylinder structure, the upper end of the connecting block 5 is connected with the lower end of the cylinder 2, and the axis of the connecting block 5 and the axis of the cylinder 2 are positioned in the same straight line. The size of the inner diameter of the connecting block 5 is smaller than that of the inner diameter of the cylinder 2, and the connecting block is used for limiting the floating assembly 4; the size of the external diameter of connecting block 5 is greater than the size of the external diameter of barrel 2, consequently connecting block 5 outwards extends partly, and the filtration subassembly 3 of being convenient for is connected with connecting block 5, specifically, the lower extreme and the connecting block 5 cooperation fixed connection of filter cloth 31, the opening of the upper end of filter cloth 31 is greater than the opening of the lower extreme of filter cloth 31, forms umbrella-shaped structure, and a plurality of lower connecting rods 32 are arranged along the circumference array of connecting block 5 to the lower extreme of a plurality of lower connecting rods 32 articulates with connecting block 5 respectively.

In some embodiments, the float assembly 4 includes a slip ring 44, the slip ring 44 being sleeved on the barrel 2, the slip ring 44 being hinged to the plurality of second links 32.

In some embodiments, the floating assembly 4 further includes a left inner rod (as an example of a "third rod") 45 and a right inner rod (as an example of a "fourth rod") 46 connected to the upper rod 41, the left inner rod 45 and the right inner rod 46 also being connected to the sliding ring 44, respectively.

As shown in fig. 1, the floating assembly 4 comprises an upper rod 41 horizontally arranged and a sliding shaft 42 vertically connected with the upper rod 41, wherein the upper end of the sliding shaft 42 is welded at a position right in the middle of the upper rod 41, the upper rod 41 can be an integral part integrally bent into a U-shaped structure, or can be formed by splicing a plurality of rods, in this case, the floating assembly 4 further comprises a left outer rod 47 and a right outer rod 48 arranged in parallel with the left outer rod 47, wherein the left outer rod 47 is arranged at the left end of the upper rod 41 and the upper end thereof is vertically welded with the upper rod 41, the right outer rod 48 is arranged at the right end of the upper rod 41 and the upper end thereof is vertically welded with the upper rod 41, and the left outer rod 47 and the right outer rod 48 are symmetrical about the sliding shaft 42; the floating assembly 4 further comprises two floating blocks 43, wherein the left floating block 43a is connected with the lower end of the left outer rod 47, the right floating block 43b is welded with the lower end of the right outer rod 48, and the lengths of the left outer rod 47 and the right outer rod 48 are the same, so that the left floating block 43a and the right floating block 43b are located at the same height. The left inner rod 45 and the right inner rod 46 are symmetrically arranged about the sliding shaft 42, the upper ends of the left inner rod 45 and the right inner rod 46 are respectively welded with the upper rod 41, and the lower ends of the left inner rod 45 and the right inner rod 46 are welded with the sliding ring 44; the plurality of upper links 33 of the filter assembly 3 are arranged in a circumferential array along the sliding ring 44, and the upper ends of the plurality of upper links 33 are hinged with the sliding ring 44; when the two floating blocks 43 generate buoyancy under the action of water in the box body 1 and float upwards, the left inner rod 45 and the right inner rod 46 drive the sliding ring 44 to slide upwards along the cylinder body 2, so that the shrinkage of the filter cloth 31 can be realized.

As shown in fig. 1, the upper ends of the plurality of upper links 33 are respectively hinged to the sliding ring 44, the plurality of upper links 33 are rotatable about the hinge with the sliding ring 44, the lower ends of the plurality of upper links 33 are respectively hinged to the plurality of lower links 32, and the upper links 33 and the lower links 32 are rotatable about the hinge with each other; the lower ends of the plurality of lower connecting rods 32 are respectively hinged with the connecting block 5, and the plurality of lower connecting rods 32 can rotate around the hinged position with the connecting block 5; the plurality of lower links 33 are uniformly distributed on the surface of the filter cloth 31 and connected with the filter cloth 31 through the connection members, so that the filter cloth 31 is driven to contract when the lower links 32 rotate.

In some embodiments, the portion of the cylinder 2 near the lower end is provided with a plurality of through holes 21.

As shown in fig. 1 and 5, a plurality of rectangular through holes 21 are uniformly formed in a portion near the lower end of the cylinder 2 in the circumferential direction of the cylinder 2; the floating assembly 4 further comprises an inner slider 49 connected with the sliding shaft 42, the outer diameter of the inner slider 49 is not larger than the inner diameter of the cylinder 2, the inner slider 49 and the lower half part of the sliding shaft 42 are arranged inside the cylinder 2, the outer diameter of the inner slider 49 is larger than the inner diameter of the connecting block 5, and therefore the connecting block 5 limits the inner slider 49 above the connecting block 5; an upper plate 22 is further arranged above the cylinder 2, a through hole is formed in the center of the upper plate 22, the lower half part of the sliding shaft 42 penetrates through the upper plate 22 to be arranged inside the cylinder 2, the upper plate 22 limits the position of the sliding shaft 42, and the sliding shaft 42 can slide up and down stably along the axial direction.

The filter still includes mud pipe 9, in this example, mud pipe 9 include the horizontal pipe 92 that the level set up and with the vertical pipe 91 of horizontal pipe perpendicular and intercommunication, vertical pipe 91 sets up along same axis with barrel 2, the upper end of vertical pipe 91 and the lower extreme fixed connection of connecting block 5, horizontal pipe 92 is connected with fixed part 10, guarantee that fixed part 10 supports mud pipe 9, the exit end of horizontal pipe 92 passes the mud mouth of box 1 and is located the outside of box 1, the discharge of mud and impurity of being convenient for.

In some embodiments, the filter further comprises a spring 71, the spring 71 being arranged inside the cartridge 2.

As shown in fig. 6, a portion of the cylinder 2 near the lower end is provided with a U-shaped connection plate 73, an opening of the connection plate 73 faces the inside of the cylinder 2 and communicates with the cylinder 2, the connection plate 73 includes a left plate 731 and a lower plate 732 vertically connected to the left plate, the elastic plate 71 is horizontally arranged and hinged to the left plate 731 by a connection member, the spring 72 is arranged vertically to the elastic plate 71, an upper end of the spring 72 is fixedly connected to the elastic plate 71, and a lower end of the spring 72 is fixedly connected to the lower plate 732. The elastic piece 71 protrudes inward in a radial direction of the cylinder 2 by a portion, as shown in fig. 1, and the inner slide 49 is restrained below the elastic piece 71 when the filter is normally filtering.

As shown in fig. 1, a fixed filter screen 6 is further disposed in the box 1 and close to the water outlet 13, the lower end of the filter screen 6 is connected with the bottom wall 12 of the box 1, the upper end of the filter screen 6 is disposed above the water outlet 13 and connected with the side wall 11 of the box 1, the filter screen 6 is obliquely disposed, sludge on the surface of the filter screen 6 can enter the sludge discharge pipe 8 downwards, and when the filter cloth 31 contracts, a part of water enters the box 1 and can also wash the filter screen 6. The bottom of the box body 1 is also provided with a mud discharging pipe 8, a mud discharging valve is arranged at the outlet of the mud discharging pipe 8, and the mud discharging valve 10 can be opened periodically to discharge mud.

As shown in fig. 1, in the normal working state of the filter, at this time, due to the gravity of the floating assembly 4, the inner slide 49 is abutted against the connecting block 5, the upper end of the inner slide 49 is limited below the elastic sheet 71, at this time, the inner slide 49 closes the through hole 21 of the cylinder 2, the umbrella-shaped filter cloth 31 is unfolded, the upper end of the filter cloth 31 is in a circle and contacts with the side wall 11 of the box 1, the sewage with suspended matters enters the filter, the sewage is filtered through the filter cloth 31, and the filtered clean water can be discharged through the water outlet 13; when the long-time filtration is accumulated, the sludge on the filter cloth 31 blocks the meshes of the filter cloth 31, and the sewage can not be filtered. As shown in fig. 2 and 3, the water above the filter cloth 31 gradually rises until the two buoyancy blocks 43 are immersed in the water to generate buoyancy and as the water level rises, the buoyancy gradually increases; as shown in fig. 4, after the buoyancy overcomes the resistance of the elastic sheet 71, the floating assembly 4 rises, the left inner rod 45 and the right inner rod 46 drive the sliding ring 44 to move upwards, the sliding ring 44 drives the plurality of upper connecting rods 33 to rotate, and the plurality of upper connecting rods 33 drive the plurality of lower connecting rods 32 to rotate, so that the upper end of the filter cloth 31 is driven to shrink towards the sliding shaft 42; simultaneously, as the inner slide 49 moves upwards to open the through holes 21 of the connecting pipe 2, the filter cloth 31 contracts, the sludge slides downwards along the filter cloth 31 through the plurality of through holes 21 and enters the sludge discharge pipe 9 to be discharged out of the filter, and meanwhile, the water entering the box body 1 can flush the filter cloth 31, and the flushed water is discharged out of the plurality of through holes 21. As shown in fig. 4, after the upper end of the filter cloth 31 is contracted by a part, a gap is formed between the upper end of the filter cloth 31 and the side wall 11 of the tank 1, water at the upper part of the tank 1 falls into the lower half part of the tank 1, the water level in the tank 1 falls, the floating assembly 4 falls back under the action of gravity, the upper end of the filter cloth 31 is unfolded to be in contact with the side wall 11 of the tank 1 again, and filtering of sewage is restarted; when the filter cloth 31 is contracted, a part of sewage may enter the lower half part of the box body 1, the part of sewage entering the filter cloth 31 is filtered by the filter screen 6 so as to discharge clean water through the water outlet 13, and the other part of sewage enters the mud discharging pipe 8 below the box body 1, so that a mud discharging valve is required to be opened periodically for discharging mud.

According to the filter, sewage entering the box body 1 is filtered through the filtering component 3, when the filter cloth 31 is blocked, the sewage in the box body 1 rises, the floating component 4 rises to drive the filter cloth 31 to shrink and enable the through holes 21 of the connecting pipe 2 to be opened, sludge on the filter cloth 31 enters the sludge discharge pipe 9 through the plurality of through holes 21 to be discharged, after the water level drops, the floating component 4 falls back, the filter cloth 31 is unfolded to filter the sewage again, the fixed filter screen 6 is further arranged to filter the unfiltered sewage of the filter cloth 31 again, and thus the filtering of the sewage can be repeatedly realized. According to the filter, the floating component generates buoyancy to drive the filter component to work, so that automatic operation and resetting and automatic flushing of filter cloth can be realized, external power is not needed, and labor is saved.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (8)

1. A filter, the filter comprising:

a case (1);

the cylinder body (2) is arranged in the box body (1);

the filter assembly (3), the filter assembly (3) is connected with the cylinder body (2), the filter assembly (3) comprises a filter cloth (31), a plurality of first connecting rods (32) connected with the filter cloth (31) and a plurality of second connecting rods (33) hinged with the plurality of first connecting rods (32);

-a float assembly (4), said float assembly (4) being connected to said filter assembly (3), said float assembly (4) comprising a first rod (41), a plurality of float blocks (43) connected to said first rod (41), a sliding shaft (42) connected to said first rod (41) and an inner slide block (49) connected to said sliding shaft (42); the method comprises the steps of,

the filter screen is fixedly connected with the box body (1).

2. The filter according to claim 1, further comprising a connection block (5), said connection block (5) being connected to said cylinder (2), said connection block (5) being further hinged to said plurality of first links (32).

3. The filter according to claim 2, characterized in that the connection block (5) is of a circular cylinder structure, the inside diameter dimension of the connection block (5) being smaller than the inside diameter dimension of the cylinder (2).

4. A filter according to claim 3, characterized in that the lower end of the filter cloth (31) is connected to the connection block (5), the opening of the upper end of the filter cloth (31) being larger than the opening of the lower end of the filter cloth (31).

5. The filter according to claim 4, wherein the floating assembly (4) comprises a sliding ring (44), the sliding ring (44) is sleeved on the cylinder (2), and the sliding ring (44) is hinged with the plurality of second connecting rods (33).

6. The filter according to claim 5, characterized in that the floating assembly (4) further comprises a third rod (45) and a fourth rod (46) connected to the first rod (41), the third rod (45) and the fourth rod (46) being further connected to the sliding ring (44), respectively.

7. The filter according to claim 2, characterized in that it further comprises a spring (71), said spring (71) being arranged inside said cylinder (2).

8. A filter according to claim 1, characterized in that the part of the cylinder (2) near the lower end is provided with a plurality of through holes (21).