Gap-variable self-cleaning filter

Abstract

The utility model discloses a variable-gap self-cleaning filter which comprises a filter shell, water inlet pipes are arranged at the tops of the two sides of the filter shell, a water outlet pipe is arranged at the bottom of the right side of the filter shell, a water injection pipe is arranged at the bottom of the left side of the filter shell, and a partition plate is fixedly connected to the inner wall of the filter shell. Through the water injection pipe, the electric push rod, the connecting plate, the driving rod, the sealing plate, the connecting frame and the movable disc, the telescopic shaft of the electric push rod drives the driving rod to move upwards, the driving rod drives the sealing plate and the connecting frame to move upwards, the sealing plate moves upwards to expose the opening in the bottom of the inner cavity of the sealing shell, and the connecting frame drives the movable disc to move upwards; the gap between the adjacent waveform pieces of the fine filter element is increased to form a backwashing gap, high-pressure clear water is injected into the inner cavity of the filter shell through the water injection pipe to backwash the fine filter element from outside to inside, and backwashing water with impurities is discharged from the sewage outlet to realize sewage discharge.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field, concretely is a kind of variable gap self-cleaning filter. BACKGROUND

[0002] Filter is indispensable on the pipeline of conveying medium A kind of device, usually installed in pressure reducing valve, pressure relief valve, fixed water level valve and other equipment's import end, in existing water filter, it is generally divided into two kinds, one is traditional medium filter, one is the widely used net type filter of present;

[0003] Such as Chinese utility model provides "a filter with automatic cleaning function" patent number: CN210251490U, the patent includes filter shell, the filter shell bottom end is fixedly connected with leg, the filter shell top end is fixedly connected with water inlet pipe, the filter shell right side is fixedly connected with water outlet pipe, by the baffle, scraper, spring and mounting block being set, it is realized in the automatic cleaning of device inside, avoid the impurity in water wall hanging, the purpose of facilitating cleaning is achieved;

[0004] The above file although solves the problem that traditional filter needs to be disassembled when installing and disassembling, and the installation and disassembly operation is very troublesome, but still has the shortcoming of not having variable gap, the gap of filter core structure is fixed, which is not conducive to flushing and cleaning, therefore, here launches a kind of variable gap self-cleaning filter. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of variable gap self-cleaning filter, with the advantages of variable gap cleaning function.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of variable gap self-cleaning filter, including filter shell, the top of the both sides of the filter shell is provided with water inlet pipe, the bottom of the right side of the filter shell is provided with water outlet pipe, the bottom of the left side of the filter shell is provided with water injection pipe, the inner wall of the filter shell is fixedly connected with baffle, the bottom of the both sides of baffle is fixedly connected with rough filter core, the top of rough filter core surface is movably connected with movable disc, the bottom of movable disc is fixedly connected with fine filter core, the bottom of rough filter core is fixedly connected with bottom plate, the bottom of bottom plate is fixedly connected with seal shell, the both sides of the bottom of filter shell are fixedly connected with electric push rod, the telescopic shaft of electric push rod is fixedly connected with connecting plate, one side of connecting plate is fixedly connected with driving rod, the top of driving rod is fixedly connected with sealing plate and is connected with the inner chamber of seal shell, the left side of sealing plate is fixedly connected with connecting frame, the side, away from sealing plate of connecting frame, is fixedly connected with the surface of movable disc.

[0007] As a preferred scheme, the bottom of the filter shell surface is fixedly connected with a fixing sleeve, and both sides of the bottom of the fixing sleeve are fixedly connected with support frames.

[0008] As a preferred scheme, the bottom of the filter shell is provided with a sewage outlet, and the inner cavity of the sewage outlet is movably connected with a sealing plug.

[0009] As a preferred scheme, the top of the inner cavity of the filter shell is fixedly connected with a water collecting hopper, and the bottom of the water collecting hopper is in communication with the top of the coarse filter core.

[0010] As a preferred scheme, the front surface of the filter shell is provided with a cover plate, and the edge of the surface of the cover plate is fixedly connected with a sealing strip.

[0011] As a preferred scheme, the top of the filter shell is fixedly connected with an arc-shaped top, and the inner cavity of the arc-shaped top is in a hollow form.

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

[0013] 1、 the utility model discloses a filter shell, a coarse filter core, a fine filter core, a water inlet pipe, a water outlet pipe and a water injection pipe, and the sewage is injected into the inner cavity of the filter shell through the water inlet pipe, flows into the inner cavity of the coarse filter core, is filtered by the coarse filter core to remove larger impurities, then enters the fine filter core, is filtered by the fine filter core to remove smaller impurities, and becomes qualified water meeting the requirements and is discharged through the water outlet pipe.

[0014] 2、 the utility model discloses a filter shell, a coarse filter core, a fine filter core, a water inlet pipe, a water outlet pipe and a water injection pipe, and the sewage is injected into the inner cavity of the filter shell through the water inlet pipe, flows into the inner cavity of the coarse filter core, is filtered by the coarse filter core to remove larger impurities, then enters the fine filter core, is filtered by the fine filter core to remove smaller impurities, and becomes qualified water meeting the requirements and is discharged through the water outlet pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the utility model structure perspective drawing;

[0016] Figure 2 It is the utility model structure sectional view schematic drawing;

[0017] Figure 3 It is the utility model Figure 2 It is the utility model structure partial enlarged schematic drawing.

[0018] In the figure: 1, filter housing; 2, water inlet pipe; 3, water outlet pipe; 4, water injection pipe; 5, partition; 6, coarse filter element; 7, movable disc; 8, fine filter element; 9, bottom plate; 10, sealing shell; 11, electric push rod; 12, connecting plate; 13, drive rod; 14, sealing plate; 15, connecting frame; 16, fixed sleeve; 17, support frame; 18, sewage outlet; 19, water bucket; 20, cover plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0020] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or selected from other embodiments.

[0021] Embodiment one:

[0022] Please refer to Figures 1-3As shown, the utility model provides a variable gap self -cleaning filter, including filter shell 1, the top of both sides of filter shell 1 is provided with water inlet pipe 2, the bottom of filter shell 1 right side is provided with water outlet pipe 3, the bottom of filter shell 1 left side is provided with water injection pipe 4, the inner wall of filter shell 1 is fixedly connected with baffle 5, both sides of baffle 5 bottom are fixedly connected with coarse filter element 6, the top of coarse filter element 6 surface is movably connected with movable disc 7, the bottom of movable disc 7 is fixedly connected with fine filter element 8, the bottom of coarse filter element 6 is fixedly connected with bottom plate 9, the bottom of bottom plate 9 is fixedly connected with seal shell 10, both sides of filter shell 1 bottom are fixedly connected with electric push rod 11, the telescopic axle of electric push rod 11 is fixedly connected with connecting plate 12, one side of connecting plate 12 is fixedly connected with drive rod 13, the top of drive rod 13 is fixedly connected with sealing plate 14 and is passed to the inner chamber of seal shell 10, the left side of sealing plate 14 is fixedly connected with connecting frame 15, the side away from sealing plate 14 of connecting frame 15 is fixedly connected with the surface of movable disc 7, by water inlet pipe 2, the inner chamber of filter shell 1 is injected with sewage to be handled, sewage flows into the inner chamber of coarse filter element 6, first, the larger particle impurities are filtered out through coarse filter element 6, then, enter fine filter element 8, the smaller particle impurities are filtered out through fine filter element 8, after the completion of sewage filtration, open electric push rod 11, the telescopic axle of electric push rod 11 drives drive rod 13 to move upwards, drive rod 13 drives sealing plate 14 and connecting frame 15 to move upwards, the opening of seal shell 10 inner chamber bottom is exposed by the upward movement of sealing plate 14, connecting frame 15 drives movable disc 7 to move upwards, the gap between adjacent wave-shaped sheets of fine filter element 8 is increased, and backwashing gap is formed.

[0023] The utility model discloses a variable gap self -cleaning filter, including filter shell 1, the top of both sides of filter shell 1 is provided with water inlet pipe 2, the bottom of filter shell 1 right side is provided with water outlet pipe 3, the bottom of filter shell 1 left side is provided with water injection pipe 4, the inner wall of filter shell 1 is fixedly connected with baffle 5, both sides of baffle 5 bottom are fixedly connected with coarse filter element 6, the top of coarse filter element 6 surface is movably connected with movable disc 7, the bottom of movable disc 7 is fixedly connected with fine filter element 8, the bottom of coarse filter element 6 is fixedly connected with bottom plate 9, the bottom of bottom plate 9 is fixedly connected with seal shell 10, both sides of filter shell 1 bottom are fixedly connected with electric push rod 11, the telescopic axle of electric push rod 11 is fixedly connected with connecting plate 12, one side of connecting plate 12 is fixedly connected with drive rod 13, the top of drive rod 13 is fixedly connected with sealing plate 14 and is passed to the inner chamber of seal shell 10, the left side of sealing plate 14 is fixedly connected with connecting frame 15, the side away from sealing plate 14 of connecting frame 15 is fixedly connected with the surface of movable disc 7, by water inlet pipe 2, the inner chamber of filter shell 1 is injected with sewage to be handled, sewage flows into the inner chamber of coarse filter element 6, first, the larger particle impurities are filtered out through coarse filter element 6, then, enter fine filter element 8, the smaller particle impurities are filtered out through fine filter element 8, after the completion of sewage filtration, open electric push rod 11, the telescopic axle of electric push rod 11 drives drive rod 13 to move upwards, drive rod 13 drives sealing plate 14 and connecting frame 15 to move upwards, the opening of seal shell 10 inner chamber bottom is exposed by the upward movement of sealing plate 14, connecting frame 15 drives movable disc 7 to move upwards, the gap between adjacent wave-shaped sheets of fine filter element 8 is increased, and backwashing gap is formed.

[0024] Embodiment two

[0025] On the basis of embodiment one, the utility model discloses as shown in Figures 1-2 The bottom of the surface of filter shell 1 is fixedly connected with fixed sleeve 16, both sides of the bottom of fixed sleeve 16 are fixedly connected with support frame 17, the bottom of filter shell 1 is provided with blowdown 18, the inner chamber of blowdown 18 is movably connected with sealing plug, the top of the inner chamber of filter shell 1 is fixedly connected with water collecting hopper 19, the bottom of water collecting hopper 19 is communicated with the top of coarse filter element 6.

[0026] The technical scheme is adopted, mainly for the purpose of supporting the filter shell 1, discharging the sewage produced by backwashing and accurately and quickly discharging the sewage into the inner cavity of the rough filter core 6, the fixed sleeve 16 is fixedly connected to the bottom surface of the filter shell 1, two supporting frames 17 are fixedly connected to the bottom of the fixed sleeve 16, the filter shell 1 can be stably supported, the water diversion pipes are arranged at the both sides of the bottom of the water collector 19, the bottom of the water diversion pipe penetrates into the inner cavity of the rough filter core 6, and the sewage is filled more quickly.

[0027] Embodiment three:

[0028] Based on the embodiment two, the utility model discloses as shown in Figures 1-2 The front of the filter shell 1 is provided with a cover plate 20, the edge of the surface of the cover plate 20 is fixedly connected with a sealing strip, and the top of the filter shell 1 is fixedly connected with an arc-shaped top, and the inner cavity of the arc-shaped top is in a hollow form.

[0029] The technical scheme is adopted, mainly for the purpose of conveniently maintaining and repairing the related components in the inner cavity of the filter shell 1 and protecting the top of the filter shell 1, the screws on the surface of the cover plate 20 are convenient to disassemble, after the screws are disassembled, the cover plate 20 can be removed to maintain and repair the related components in the inner cavity of the filter shell 1, and the arc-shaped top is a hollow compression-resistant shell, which can prevent the top of the filter shell 1 from being hit by heavy objects.

[0030] The working principle of the utility model is that the inner cavity of the filter shell 1 is injected with sewage to be treated through the water inlet pipe 2, the sewage flows into the inner cavity of the rough filter core 6 through the water diversion pipe at the bottom of the water collector 19, the larger impurities are filtered out through the rough filter core 6 first, then enter the fine filter core 8, the smaller impurities are filtered out through the fine filter core 8, after the sewage is filtered, the electric push rod 11 is opened, the telescopic shaft of the electric push rod 11 drives the driving rod 13 to move upwards, the driving rod 13 drives the sealing plate 14 and the connecting frame 15 to move upwards, the upward movement of the sealing plate 14 exposes the opening at the bottom of the inner cavity of the sealing shell 10, the connecting frame 15 drives the movable disc 7 to move upwards, the gap between the adjacent wave-shaped sheets of the fine filter core 8 is increased, the backwashing gap is formed, and finally, high-pressure clean water is injected into the inner cavity of the filter shell 1 through the water injection pipe 4 to backwash the fine filter core 8 from the outside to the inside.

[0031] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0032] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0033] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the protective scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A variable-gap self-cleaning filter comprising a filter housing (1), characterized in that: The top of both sides of the filter shell (1) is provided with a water inlet pipe (2), the bottom of the right side of the filter shell (1) is provided with a water outlet pipe (3), the bottom of the left side of the filter shell (1) is provided with a water injection pipe (4), the inner wall of the filter shell (1) is fixedly connected with a partition (5), both sides of the bottom of the partition (5) are fixedly connected with a coarse filter core (6), the top surface of the coarse filter core (6) is movably connected with a movable disc (7), the bottom of the movable disc (7) is fixedly connected with a fine filter core (8), the bottom of the coarse filter core (6) is fixedly connected with a bottom plate (9), the bottom of the bottom plate (9) is fixedly connected with a sealing shell (10), both sides of the bottom of the filter shell (1) are fixedly connected with an electric push rod (11), the telescopic shaft of the electric push rod (11) is fixedly connected with a connecting plate (12), one side of the connecting plate (12) is fixedly connected with a drive rod (13), the top of the drive rod (13) penetrates into the inner cavity of the sealing shell (10) and is fixedly connected with a sealing plate (14), the left side of the sealing plate (14) is fixedly connected with a connecting frame (15), the side away from the sealing plate (14) of the connecting frame (15) is fixedly connected with the surface of the movable disc (7).

2. A variable gap self-cleaning filter according to claim 1, wherein: The bottom surface of the filter shell (1) is fixedly connected with a fixed sleeve (16), both sides of the bottom of the fixed sleeve (16) are fixedly connected with a support frame (17).

3. A variable gap self-cleaning filter according to claim 1, wherein: The bottom of the filter shell (1) is provided with a sewage outlet (18), the inner cavity of the sewage outlet (18) is movably connected with a sealing plug.

4. A variable gap self-cleaning filter according to claim 1, wherein: The top of the inner cavity of the filter shell (1) is fixedly connected with a water collecting hopper (19), the bottom of the water collecting hopper (19) is communicated with the top of the coarse filter core (6).

5. A variable gap self-cleaning filter according to claim 1, wherein: The front of the filter shell (1) is provided with a cover plate (20), the edge of the surface of the cover plate (20) is fixedly connected with a sealing strip.

6. A variable gap self-cleaning filter according to claim 1, wherein: The top of the filter shell (1) is fixedly connected with an arc-shaped top, the inner cavity of the arc-shaped top is in a hollow form.

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