Precision filter

Abstract

The utility model discloses a precision filter which comprises a shell, the inner wall of the bottom of the shell is coaxially and fixedly connected with a mounting seat, the mounting seat is provided with a plurality of filter elements, each filter element is sleeved with two annular brushes in a sliding mode, and the annular brushes are fixedly connected with the two ends of a telescopic piece respectively. One side of the telescopic part is rotationally sleeved with a filter screen plate, the filter screen plate is clamped to the top in the shell, a top cover is fixedly installed at the top of the shell through bolts, a servo motor is fixedly installed at the top of the top cover, and an output shaft of the servo motor rotationally extends out of the top cover and then is in sliding clamping fit with the telescopic part; the center of the bottom end of the shell is fixedly connected with a water outlet pipe, the two sides of the bottom of the shell are fixedly connected with blow-off pipes respectively, and the two sides of the top cover are fixedly connected with water inlet pipes respectively.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field, concretely is a kind of precision filter. BACKGROUND

[0002] In chemical industry, precision filter is used to filter, clarify, purify the equipment of liquid processing. Its structure generally includes a hollow tank, filter core is equipped in tank, water inlet and water outlet are equipped on tank, access water of water inlet is filtered by filter core, and from water outlet, water outlet is filtered to the pipeline of subsequent process.

[0003] Through the retrieval such as the Chinese patent for application No. CN202022807697.7 discloses a kind of precision filter. Its tank;Water inlet pipe, the water inlet pipe is located on the side wall of tank, for connecting the tank with the liquid to be filtered;At least two filter cores, the filter core is equipped in tank;And water outlet pipe, the water outlet pipe is located on the side wall of tank, for connecting the filter core with the pipeline of subsequent process.

[0004] The filter improves the filtering efficiency, but after long time use, part of impurities filtered will be attached to the surface of filter core, not only can't make large particle impurities all discharge, and possibly cause the blockage of filter core, further affect the filtering efficiency of filter core, to solve the above problems, we propose a kind of precision filter. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of precision filter, to solve the problems presented in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of precision filter, including shell, the bottom inner wall of the shell is coaxially fixedly connected mounting seat, the mounting seat is equipped with several filter cores, the filter core is respectively slidably sleeved with two annular brushes outside, the annular brush is fixedly connected the two ends of expansion piece respectively, the expansion piece is rotatably sleeved with filter screen plate on one side, the filter screen plate is clamped in the top of shell, the top of shell is fixedly installed with top cover by bolt, the top of top cover is fixedly installed with servo motor, the output shaft of servo motor is rotatably extended top cover and is slidably clamped with expansion piece cooperation;

[0007] The bottom end of the shell is fixedly connected with water outlet pipe, the bottom of the shell is fixedly connected with blowdown pipe on both sides respectively, the two sides of top cover are fixedly connected with water inlet pipe respectively.

[0008] Preferably, the bottom end of the shell is fixedly connected with several support legs, and the support legs are circumferentially distributed.

[0009] Preferably, the top inner wall of the shell is fixedly connected with a plurality of support blocks, respectively, and the support blocks are slidably connected with L-shaped clamping grooves, respectively, and the L-shaped clamping grooves are arranged on the circumferential side of the filter screen plate.

[0010] Preferably, the mounting seat is a hollow circular truncated cone structure.

[0011] Preferably, the output shaft end of the servo motor is fixedly connected with a plug cap, the plug cap is slidably connected with a plug block, the plug block is a rectangular body structure, and the plug block is fixedly connected with one side end of the telescopic member.

[0012] Preferably, the telescopic member comprises a reciprocating screw, an outer cylinder, an inner sliding cylinder, an outer cylinder body and a sliding bar, one side of the reciprocating screw is coaxially connected with the filter screen plate, the other side of the reciprocating screw is connected with the inner sliding cylinder through a threaded structure, the inner sliding cylinder is coaxially fixedly connected with the outer cylinder body, the outer cylinder body is slidably connected with the outer cylinder, the outer cylinder is fixedly connected with the sliding bar on both sides of the outer wall, the sliding bar is slidably connected with the outer cylinder body, and one end of the reciprocating screw is fixedly connected with the plug block.

[0013] Compared with the prior art, the servo motor is connected with the telescopic member, thereby driving the telescopic member to work, the telescopic member drives the fixed annular brush to move linearly, the annular brush drives the sleeved filter element to move and clean, the filter element is prevented from being blocked after long-time use, and the filtering efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the utility model shell inside;

[0016] Figure 3 It is a sectional view structural schematic view of the utility model;

[0017] Figure 4 It is a telescopic member cross section structural schematic view of the utility model.

[0018] In the drawing: the shell 1, the support block 101, the top cover 2, the servo motor 3, the plug cap 31, the water inlet pipe 4, the sewage pipe 5, the water outlet pipe 6, the support leg 7, the mounting seat 8, the filter element 9, the annular brush 10, the filter screen plate 11, the L-shaped clamping groove 111, the telescopic member 12, the reciprocating screw 121, the outer cylinder 122, the inner sliding cylinder 123, the outer cylinder body 124, the sliding bar 125 and the plug block 13. DETAILED DESCRIPTION

[0019] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] Embodiment 1

[0021] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 1 2 The first embodiment of the present application provides a precision filter, which comprises a shell 1, a mounting seat 8 is fixedly connected to the inner wall of the bottom of the shell 1, a plurality of filter cartridges 9 are arranged on the mounting seat 8, two annular brushes 10 are respectively slidably sleeved outside each filter cartridge 9, the two ends of the annular brush 10 are fixedly connected to the two ends of an extension piece 12, the extension piece 12 is rotatably sleeved on one side of a filter screen plate 11, the filter screen plate 11 is clamped on the top of the shell 1, a top cover 2 is fixedly installed on the top of the shell 1 by means of bolts, a servo motor 3 is fixedly installed on the top of the top cover 2, and the output shaft of the servo motor 3 is rotatably extended out of the top cover 2 and is slidably clamped and matched with the extension piece 12.

[0022] The bottom end of the shell 1 is fixedly connected to a water outlet pipe 6, the bottom of the shell 1 is fixedly connected to a sewage pipe 5 on each side, and the top cover 2 is fixedly connected to a water inlet pipe 4 on each side.

[0023] The filter liquid is injected into the cylindrical shell 1 through the water inlet pipe 4, the filter liquid is first subjected to preliminary filtration of coarse particles by the filter screen plate 11, then flows through the filter screen plate 11, and is subjected to precision filtration by the plurality of circumferentially arranged filter cartridges 9, the precision filtered liquid flows into the mounting seat 8, and is finally discharged and collected through the water outlet pipe 6. When the filter cartridges 9 need to be cleaned, the servo motor 3 is started, the output shaft fixedly connected to the plug cap 31 is driven to rotate circumferentially, the plug cap 31 is clamped with the plug block 13, thereby driving the plug block 13 to rotate circumferentially, the plug block 13 drives the extension piece 12 to rotate circumferentially, the extension piece 12 realizes reciprocating linear movement, the annular brushes 10 are sleeved outside the filter cartridges 9, one annular brush 10 is arranged outside each filter cartridge 9, one annular brush 10 is located at the middle of the length direction of the filter cartridge 9, and the other annular brush 10 is located at the end of the length direction of the filter cartridge 9, thereby realizing complete cleaning of the filter cartridges 9 when the two annular brushes 10 reciprocate linearly, and the impurities are collected in the dirt collecting cavity formed outside the mounting seat 8 and inside the shell 1, and the impurities can be finally discharged and collected through the sewage pipe 5.

[0024] Embodiment 2

[0025] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figures 1-4 ​For the second embodiment of the utility model, this embodiment is based on the previous embodiment, specifically, the bottom end of the shell 1 is fixedly connected with a plurality of supporting legs 7, the supporting legs 7 are circumferentially distributed, the supporting legs 7 support and elevate the cylindrical shell 1, facilitating the arrangement of the water outlet pipe 6.

[0026] Specifically, the top inner wall of the shell 1 is fixedly connected with a plurality of supporting blocks 101, the supporting blocks 101 are respectively slidably connected with L-shaped clamping grooves 111, the L-shaped clamping grooves 111 are arranged on the circumferential side of the filter screen plate 11, when the filter screen plate 11 is installed, the L-shaped clamping grooves 111 arranged on the circumferential side of the arc-shaped outer wall of the filter screen plate 11 are clamped into the supporting blocks 101, then the filter screen plate 11 is rotated to support and fix the filter screen plate 11, thereby fixing the position of the filter screen plate 11 and facilitating the disassembly and replacement of the filter screen plate 11.

[0027] Compared with the embodiment 1, the difference between the embodiment and the embodiment 1 is that the top of the filter screen plate 11 can be slidably contacted with a brush, and the end of the brush is fixedly connected with one end of the reciprocating screw rod 121 of the telescopic part 12, so that when the reciprocating screw rod 121 rotates, the brush rotates circumferentially, and when the brush rotates circumferentially, the top surface of the filter screen plate 11 is cleaned, thereby avoiding the blockage of the filter screen plate 11 and improving the filtering efficiency of the filter screen plate 11.

[0028] Specifically, the mounting seat 8 is a hollow circular table structure, and the structure of the circular table makes the outer wall of the mounting seat 8 have a certain gap with the shell 1, so that the impurities cleaned by the filter core 9 have a storage space.

[0029] Specifically, the output shaft end of the servo motor 3 is fixedly connected with a plug cap 31, the plug cap 31 is slidably plugged with the plug block 13, the plug block 13 is a rectangular body structure, and one side end of the plug block 13 is fixedly connected with the telescopic part 12. When the top cover 2 is installed, the plug cap 31 is plugged with the plug block 13, so that the two are clamped, and then the top cover 2 is fixed by using bolts.

[0030] Specifically, the telescopic part 12 comprises a reciprocating screw rod 121, an outer cylinder 122, an inner sliding cylinder 123, an outer cylinder body 124 and a sliding bar 125, one side of the reciprocating screw rod 121 is coaxially sleeved with the filter screen plate 11, the other side of the reciprocating screw rod 121 is threadedly connected with the inner sliding cylinder 123, the inner sliding cylinder 123 is coaxially fixedly connected with the outer cylinder body 124, the outer cylinder body 124 is slidably sleeved with the outer cylinder 122, the outer walls of the two sides of the outer cylinder 122 are respectively fixedly connected with the sliding bars 125, the sliding bars 125 are slidably clamped with the outer cylinder body 124, and one end of the reciprocating screw rod 121 is fixedly connected with the plug block 13.

[0031] The servo motor 3 is started, the plug-in cap 31 fixed to the output shaft is driven to rotate circumferentially, the plug-in cap 31 is clamped to the plug-in block 13, the plug-in block 13 is further driven to rotate circumferentially, the plug-in block 13 drives the telescopic part 12 to rotate circumferentially, the reciprocating screw 121 of the telescopic part 12 rotates circumferentially, the reciprocating screw 121 drives the inner sliding cylinder 123 to move reciprocally through the threaded structure, the sliding strip 125 and the outer cylinder 124 are slidably clamped and matched, the inner sliding cylinder 123 is further enabled to move linearly reciprocally, the inner sliding cylinder 123 drives the outer cylinder 124 fixed thereto to move linearly reciprocally synchronously, the two ends of the outer cylinder 124 are fixedly connected to a plurality of annular brushes 10 through the connecting blocks, the annular brushes 10 are sleeved outside the filter element 9, two annular brushes 10 are arranged outside one filter element 9, one annular brush 10 is located at the middle part of the filter element 9 in the length direction, and the other annular brush 10 is located at the end part of the filter element 9 in the length direction, the filter element 9 can be completely cleaned when the two annular brushes 10 move linearly reciprocally, and the impurities cleaned fall into the dirt collecting cavity formed outside the mounting seat 8 and inside the shell 1, and the impurities can be finally discharged and collected through the dirt discharge pipe 5.

[0032] Embodiment 3

[0033] With reference to Figures 1-4 For the third embodiment of the utility model, based on the above two embodiments, when in use, the filter liquid is injected into the cylindrical shell 1 through the water inlet pipe 4, the filter liquid is first subjected to preliminary filtration of coarse particles through the filter screen plate 11, then flows through the filter screen plate 11 and is subjected to precise filtration through the plurality of circumferentially distributed filter elements 9, the liquid subjected to precise filtration flows into the mounting seat 8, and is finally discharged and collected through the water outlet pipe 6, when the filter element 9 needs to be cleaned, the servo motor 3 is started, the plug-in cap 31 fixed to the output shaft is driven to rotate circumferentially, the plug-in cap 31 is clamped to the plug-in block 13, the plug-in block 13 is further driven to rotate circumferentially, the plug-in block 13 drives the telescopic part 12 to rotate circumferentially, the reciprocating screw 121 of the telescopic part 12 rotates circumferentially, the reciprocating screw 121 drives the inner sliding cylinder 123 to move reciprocally through the threaded structure, the sliding strip 125 and the outer cylinder 124 are slidably clamped and matched, the inner sliding cylinder 123 is further enabled to move linearly reciprocally, the inner sliding cylinder 123 drives the outer cylinder 124 fixed thereto to move linearly reciprocally synchronously, the two ends of the outer cylinder 124 are fixedly connected to a plurality of annular brushes 10 through the connecting blocks, the annular brushes 10 are sleeved outside the filter element 9, two annular brushes 10 are arranged outside one filter element 9, one annular brush 10 is located at the middle part of the filter element 9 in the length direction, and the other annular brush 10 is located at the end part of the filter element 9 in the length direction, the filter element 9 can be completely cleaned when the two annular brushes 10 move linearly reciprocally, and the impurities cleaned fall into the dirt collecting cavity formed outside the mounting seat 8 and inside the shell 1, and the impurities can be finally discharged and collected through the dirt discharge pipe 5.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precision filter, comprising a housing (1), characterized in that: The bottom inner wall of the housing (1) is coaxially fixedly connected to the mounting base (8). The mounting base (8) is provided with a plurality of filter elements (9). Two annular brushes (10) are slidably sleeved on the outside of each filter element (9). The annular brushes (10) are fixedly connected to both ends of the telescopic component (12). One side of the telescopic component (12) is rotatably sleeved with a filter screen plate (11). The filter screen plate (11) is snapped into the top of the housing (1). The top of the housing (1) is fixedly installed with a top cover (2) by bolts. A servo motor (3) is fixedly installed on the top of the top cover (2). The output shaft of the servo motor (3) rotates out of the top cover (2) and slides and snaps into the telescopic component (12). A water outlet pipe (6) is fixedly connected to the bottom center of the housing (1), and sewage pipes (5) are fixedly connected to both sides of the bottom of the housing (1). Water inlet pipes (4) are fixedly connected to both sides of the top cover (2).

2. A precision filter according to claim 1, characterized in that: The bottom end of the housing (1) is fixedly connected to a number of support legs (7), which are evenly distributed around the circumference.

3. A precision filter according to claim 1, characterized in that: The top inner wall of the housing (1) is fixedly connected with several support blocks (101), and the support blocks (101) are slidably engaged with L-shaped slots (111), which are opened on the periphery of the filter screen (11).

4. A precision filter according to claim 1, characterized in that: The mounting base (8) is a hollow frustum structure.

5. A precision filter according to claim 1, characterized in that: The output shaft end of the servo motor (3) is fixedly connected to a plug cap (31), which is slidably plugged into the plug block (13). The plug block (13) has a rectangular structure and is fixedly connected to one end of the telescopic member (12).

6. A precision filter according to claim 5, characterized in that: The telescopic component (12) includes a reciprocating screw (121), an outer cylinder (122), an inner sliding cylinder (123), an outer cylinder (124), and a slide bar (125). One side of the reciprocating screw (121) is coaxially rotated and sleeved with a filter screen plate (11). The other side of the reciprocating screw (121) is sleeved with the inner sliding cylinder (123) through a threaded structure. The inner sliding cylinder (123) is coaxially fixedly connected to the outer cylinder (124). The outer cylinder (122) is slidably sleeved inside the outer cylinder (124). The slide bars (125) are fixedly connected to the outer walls on both sides of the outer cylinder (122). The slide bars (125) and the outer cylinder (124) are slidably engaged. One end of the reciprocating screw (121) is fixedly connected to a plug-in block (13).

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