CN215916608U

CN215916608U - Front filter

Info

Publication number: CN215916608U
Application number: CN202122398686.2U
Authority: CN
Inventors: 亓磊; 亓伟; 张会莉; 李力
Original assignee: Shandong Zhiheng Environmental Protection Technology Co ltd
Current assignee: Shandong Zhiheng Environmental Protection Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-01
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a pre-filter, which comprises a filter body, a filter part shell, a water inlet pipe, an end cover and a main control panel, wherein the water inlet pipe at one side of the filter body is connected with a through hole vertical to the connection direction of a universal joint; on filter body opposite side play water piping connection valve body, be equipped with water inlet solenoid valve and back flush solenoid valve on the inlet tube, be equipped with out the water solenoid valve on the outlet pipe, filtering part shell top is equipped with vibrator and unleaded smart copper piece, be equipped with the water-locator in the filtering part shell, the filter layer, scrape the brush device, the center tube, the filter body bottom is equipped with the blow off pipe, the blowdown solenoid valve, be equipped with the time recorder on the blow off pipe, this filter equipment passes through the universal joint nut and is connected universal joint and universal valve body, realize the multi-direction installation of leading filter, through increasing vibrator, satisfy leading filter self-cleaning demand.

Description

Front filter

Technical Field

The application relates to the technical field of water treatment, in particular to a pre-filter.

Background

The pre-filter is generally arranged at the front end of the pipeline, so the pre-filter is named by a front-in character; the filtering refers to the basic principle of the equipment, but the common pre-filter can be installed only in a single direction, so that the installation of the pre-filter is limited; meanwhile, in urban water supply, the quality of water for household use is poor and the control of water using equipment is disabled due to secondary pollution such as rust, silt and the like in a pipeline, the service lives of other household appliances related to water use are shortened, and even huge potential safety hazards are generated, so that from the large environment, household households are required to install a pre-filter to improve the quality of water and protect the household water using equipment. The pre-filter is a secondary pollution killer and is a reliable impurity filtering device, but the prior pre-filter sold in the market is not perfect in the technology of self-cleaning of the filter, and cannot meet the requirements of self-cleaning and large-flux water use;

there is a need to provide a pre-filter that meets the requirements of practical installation and self-cleaning.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to overcome the drawbacks of the prior art and to provide a pre-filter.

The utility model provides a front filter, which comprises a filter part shell, wherein the top of the filter part shell is provided with a filter body, the bottom of the filter part shell is provided with a turntable, the center of the inner side of the filter part shell is provided with a central pipe,

the filter body comprises a water inlet pipe, a water outlet pipe, a lead-free refined copper block and a vibration device, wherein the water inlet pipe and the water outlet pipe are arranged on two sides of a horizontal end, and the lead-free refined copper block and the vibration device are sequentially arranged on a vertical end;

the valve body is provided with a channel, the channel comprises a water inlet port and a water outlet port, the valve body is provided with a universal joint and a water outlet pipe orifice, the universal joint is arranged close to the water inlet port, and the water outlet pipe orifice is arranged close to the water outlet port; a universal joint nut (13) is sleeved outside the universal joint, the universal joint is connected with a universal valve body through the universal joint nut, a through hole vertical to the connecting direction of the universal joint is arranged at one end of the universal valve body and is connected with the water inlet pipe,

a first water inlet pipe and a second water inlet pipe are arranged on the water inlet pipe, the first water inlet pipe and the second water inlet pipe are connected into the filtering part shell, a water inlet electromagnetic valve is installed on the first water inlet pipe, a back washing electromagnetic valve is installed on the second water inlet pipe, and the water outlet pipe is connected with the water outlet pipe opening; the water outlet pipe is provided with a first water outlet pipe which is connected into the central pipe and is provided with a water outlet electromagnetic valve,

the lower end of the lead-free refined copper block is connected with a vibration device;

a water distributor, a filter layer and a scraping and washing rubber strip bracket are sequentially arranged between the filter part shell and the central pipe; a rotary table bracket is embedded at the bottom of the inner cavity of the outer shell of the filtering part, the outer side of the lower end of the rotary table bracket is provided with an external thread which is matched and connected with an internal thread arranged at the inner side of the upper end of the rotary table,

a drain pipe is arranged close to the lower end of the rotary table, and a drain electromagnetic valve is arranged on the drain pipe; an end cover is arranged at the top of the filter body, and a main control panel and a time recorder are arranged below the end cover;

furthermore, the main control board is electrically connected with the water inlet electromagnetic valve, the back washing electromagnetic valve, the water outlet electromagnetic valve, the sewage discharge electromagnetic valve and the time recorder through leads respectively.

Further, the vibration device comprises a vibration block and a first spring, the first spring is fixed below the vibration block, the first spring is sleeved outside the upper end of the scraping rubber strip support, a first hole penetrating through the water outlet pipe is formed in the center of the scraping rubber strip support, the bottom of the scraping rubber strip support is fixedly connected with a concave-convex block, and scraping rubber strips are embedded in two sides of the scraping rubber strip support;

furthermore, the top of the turntable support is provided with a concave-convex groove matched with the concave-convex block for use.

Furthermore, the number of the scraping and washing rubber strips is two, the two scraping and washing rubber strips are respectively positioned on the inner sides of the grooves formed in the two sides of the scraping and washing rubber strip support, a plurality of convex blocks are arranged on one side of each scraping and washing rubber strip, and the convex blocks are distributed in a linear array along the vertical end of each scraping and washing rubber strip;

furthermore, a plurality of groups of filter holes are formed in the central tube, and are distributed in an annular array;

further, the diameter of the water inlet pipe is 32 mm;

furthermore, the opening direction of the universal joint is vertical to the water inlet port and the water outlet port of the valve body channel;

furthermore, a sealing O-shaped sealing ring is arranged between the universal joint and the universal valve body;

further, the water distributor is a metal filter screen cylinder, and a second hole penetrating through the turntable support is formed in the bottom of the metal filter screen cylinder;

compared with the prior art, the utility model has the beneficial effects that:

(1) after the universal joint and the universal valve body are connected through the universal joint screw cap, the universal joint can rotate to the direction required by installation, the installation limitation of the pre-filter is improved, the use performance of the pre-filter is improved, the universal valve body is provided with the through hole vertical to the connection direction of the universal joint, the through hole is beneficial to the pre-filter to adjust the connection direction according to the requirement,

the vibration device is added, so that impurities in the filter can be fully washed away during backwashing of the filter, and meanwhile, the device does not need manual operation and is automatically cleaned in a fixed time period.

(2) The diameter of the water inlet pipe of the utility model is 32mm, and the requirement of family for large-flux water is met.

Drawings

The utility model is illustrated and described only by way of example and not by way of limitation in the scope of the utility model as set forth in the following drawings, in which:

FIG. 1: the utility model has a schematic structure;

FIG. 2: the utility model discloses a schematic connection structure of a turntable bracket;

FIG. 3: the structure of the scraping and washing rubber strip is schematically shown;

in the figure: 1-filter body, 2-end cover, 3-main control board, 4-water inlet pipe, 5-water outlet pipe, 6-water inlet solenoid valve, 7-backwashing solenoid valve, 8-water outlet solenoid valve, 9-lead-free refined copper block, 10-vibration device, 11-valve body, 12-universal joint, 13-universal joint screw cap, 14-universal valve body, 15-filter part shell, 16-water distributor, 17-filter layer, 18-scraping rubber strip support, 19-sewage discharge solenoid valve, 20-sewage discharge pipe, 21-time recorder, 22-center pipe, 23-turntable support and 24-turntable.

Detailed Description

In order to make the objects, technical solutions, design methods, and advantages of the present invention more apparent, the present invention will be further described in detail by specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1-3, the present invention provides a pre-filter, which comprises a filter part casing 15, a filter body 1 arranged on the top of the filter part casing 15, a rotary disc 24 arranged on the bottom of the filter part casing 15, a central tube 22 arranged at the center of the inner side of the filter part casing 15,

the filter body 1 comprises a water inlet pipe 4 and a water outlet pipe 5 which are respectively arranged at two sides of a horizontal end, and a lead-free refined copper block 9 and a vibration device 10 which are sequentially arranged at a vertical end, wherein the water inlet pipe 4 is connected with the water inlet end at one side of the filter body 1, and the water inlet end of the water inlet pipe 4 is provided with a valve body 11;

the valve body 11 is provided with a channel, the channel comprises a water inlet port and a water outlet port, the valve body 11 is provided with a universal joint 12 and a water outlet pipe orifice, the universal joint 12 is arranged at the position close to the water inlet port, and the water outlet pipe orifice is arranged at the position close to the water outlet port; a universal joint screw cap 13 is sleeved outside the universal joint 12, the universal joint 12 is connected with a universal valve body 14 through the universal joint screw cap 13, one end of the universal valve body 14 is provided with a through hole which is vertical to the connecting direction of the universal joint 12, the through hole is connected with the water inlet pipe 4,

a first water inlet pipe and a second water inlet pipe are arranged on the water inlet pipe 4 and are connected into the filtering part shell 15, a water inlet electromagnetic valve 6 is installed on the first water inlet pipe, a back washing electromagnetic valve 7 is installed on the second water inlet pipe, and the water outlet pipe 5 is connected with the water outlet pipe opening; a first water outlet pipe is arranged on the water outlet pipe 5, the first water outlet pipe is connected into the central pipe 22 and is provided with a water outlet electromagnetic valve 8,

the lower end of the lead-free refined copper block 9 is connected with a vibration device 10;

a water distributor 16, a filter layer 17 and a scraping and washing rubber strip support 18 are sequentially arranged between the filter part shell 15 and the central pipe 22; a rotary table bracket 23 is embedded at the bottom of the inner cavity of the filtering part shell 15, the outer side of the lower end of the rotary table bracket 23 is provided with an external thread which is matched and connected with an internal thread arranged at the inner side of the upper end of the rotary table 24,

a sewage discharge pipe 20 is arranged close to the lower end of the rotary table 24, and a sewage discharge electromagnetic valve 19 is arranged on the sewage discharge pipe 20; the top of the filter body 1 is provided with an end cover 2, a main control panel 3 and a time recorder 21 are arranged below the end cover 2, and the time recorder 21 is used for recording time to ensure that the pre-filter is periodically cleaned;

the universal valve head of the pre-filter is arranged on the pre-filter, so that the opening of the pre-filter can be adjusted in each direction according to actual needs, and the practicability of the product is greatly improved; after the universal joint is connected with the universal valve body through the universal joint screw cap, the universal joint can rotate to the direction required by installation, and the installation of the pre-filter is completed; the universal valve body 14 is provided with a through hole vertical to the connection direction of the universal joint 12, and the through hole is beneficial to the adjustment of the connection direction of the pre-filter according to the requirement;

a water outlet pipe 5 is arranged at the water outlet end of the other side of the filter body 1, the water outlet pipe 5 is connected with a water outlet pipe opening, a water inlet electromagnetic valve 6 and a back flush electromagnetic valve 7 are mounted on the water inlet pipe 4, the water inlet electromagnetic valve 6 is in an open state when the filter works normally, the back flush electromagnetic valve 7 is only opened when the filter performs back flushing, the water outlet electromagnetic valve 8 is mounted on the water outlet pipe 5, the water outlet electromagnetic valve 8 is closed when the filter performs back flushing, the water outlet electromagnetic valve 8 is in an open state at the rest time, a vibration device 10 is arranged above the filtering part shell 15, the vibration device 10 starts working vibration when the front filter performs back flushing, impurities adsorbed on a filtering layer 17 are favorably removed, and the back flushing speed and effect are improved; the lead-free refined copper block 9 is arranged above the vibration device 10, the lead-free refined copper block 9 is used for inhibiting the growth of microorganisms to ensure the safety of drinking water, the water distributor 16 is arranged on the inner side of the filtering part shell 15, the water distributor 16 is used for distributing water to enable the water to be uniformly filtered, the filtering layer 17 is arranged on the inner side of the water distributor 16, the filtering layer 17 is used for filtering particles such as iron rust silt in tap water, the scraping and washing rubber strip support 18 is arranged on the inner side of the filtering layer 17, the scraping and washing rubber strip support 18 is used for cleaning the filtering layer 17, the central pipe 22 is arranged on the inner side of the scraping and washing rubber strip support 18, the central pipe 22 is used for conveying the filtered tap water, the sewage discharge pipe 20 is arranged at the lower end of the turntable 24, the sewage discharge pipe 20 is used for discharging the filtered particles such as iron silt, the sewage discharge electromagnetic valve 19 is arranged on the sewage discharge pipe 20, the time recorder 21 is arranged above the sewage discharge pipe 20, the time recorder 21 is used for recording time to ensure that the pre-filter is periodically cleaned, the top of the filter body 1 is provided with an end cover 2, a main control panel 3 is arranged below the end cover 2, and the main control panel 3 is used for controlling the normal operation of electrical elements of the whole device;

further, the main control panel 3 is electrically connected with a water inlet electromagnetic valve 6, a back washing electromagnetic valve 7, a water outlet electromagnetic valve 8, a pollution discharge electromagnetic valve 19 and a time recorder 21 through leads respectively; the time recorder 21 is used for recording time to ensure that the pre-filter is cleaned periodically.

Further, the vibration device 10 comprises a vibration block and a first spring, the first spring is fixed below the vibration block, the first spring is sleeved outside the upper end of the scraping and washing rubber strip support 18, a first hole penetrating through the water outlet pipe 5 is formed in the center of the first spring, a concave-convex block is fixedly connected to the bottom of the scraping and washing rubber strip support 18, and scraping and washing rubber strips 181 are embedded in two sides of the concave-convex block;

further, a concave-convex groove matched with the concave-convex block for use is formed in the top of the turntable support 23;

further, scrape and wash adhesive tape 181 and be provided with two altogether, and two scrape and wash adhesive tape 181 and be located the recess inboard of scraping and washing adhesive tape support 18 both sides respectively, scrape one side of washing adhesive tape 181 and be provided with a plurality of lugs, and a plurality of lugs all are linear array along the vertical end of scraping and washing adhesive tape 181 and distribute. The two scraping and washing rubber strips 181 improve the washing speed of the filter layer 17 and the central tube 22, and the arrangement of the bumps improves the washing quality;

further, a plurality of sets of filter holes are formed in the central tube 22, and the plurality of sets of filter holes are distributed in an annular array. The sewage can be conveniently fed and discharged;

furthermore, the diameter of the water inlet pipe 4 is 32mm, so that the requirement of large-flux water inlet is met;

furthermore, the opening direction of the universal joint 12 is perpendicular to both the water inlet port and the water outlet port of the channel of the valve body 11, so that the adjustment of the installation direction of the pre-filter is facilitated;

further, a sealing O-shaped sealing ring is arranged between the universal joint 12 and the universal valve body 14, and the sealing O-shaped ring of the technical scheme enhances the sealing performance between the universal joint and the universal valve body;

further, the water distributor 16 is a metal filter screen cylinder, and a second hole penetrating through the turntable support is formed in the bottom of the metal filter screen cylinder;

the working process is as follows: all electrical components of the filtering device complete corresponding instructions under the control of the main control panel, the diameter of the water inlet pipe is 32mm, when the large-flux tap water is filtered, the water inlet electromagnetic valve 6 and the water outlet electromagnetic valve 8 are in an open state, the back flush electromagnetic valve 7 and the sewage discharge electromagnetic valve 19 are in a closed state, firstly, the tap water enters the interior of the pre-filter through the water inlet pipe 4 and passes through the water distributor 16, the water distributor 16 is a metal filter screen cylinder, the bottom of the metal filter screen cylinder is provided with a second hole penetrating through the turntable support 23,

the water distributor 16 disperses water entering the filtering part shell 15 and then filters the water through a filtering layer 17, the filtering layer 17 is used for filtering particles such as rust, silt and the like in tap water, the particles enter the central pipe 22 and are finally discharged through the water outlet pipe, and the water inlet electromagnetic valve 6 and the water outlet electromagnetic valve 8 are closed after the time recorded by the time recorder 21 reaches the time for cleaning the pre-filter;

when the sewage is discharged, the sewage discharge electromagnetic valve 19 is opened, the rotary disc 24 is rotated, the rotary disc support 23 is driven to rotate, the rotary disc support 23 not only drives the scraping and washing rubber strip support 18 and the central pipe 22 to rotate left and right, but also drives the concave-convex groove on the rotary disc support 23 to be staggered with the concave-convex groove at the bottom of the scraping and washing rubber strip support 18, and an up-and-down moving stroke is generated; scrape and wash adhesive tape support 18 upper end outside cover and establish first spring, this stroke that reciprocates is at carousel support 23 and the effect of scraping the decurrent effect of the first spring in adhesive tape support 18 top, it drives to scrape and washes adhesive tape 181 and have a fast-speed decurrent impact elasticity vibrations to scrape washing adhesive tape support 18, vibrator 10 begins to shake, shake the impurity of adhering to on filter layer 17, impurity discharges under the drive of rivers, thereby improve abluent effect, water solenoid valve and play water solenoid valve open after the washing is accomplished, back flush solenoid valve and blowdown solenoid valve are closed, leading filter resumes the filtration water state.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A front filter comprises a filter part shell (15), a filter body (1) is arranged at the top of the filter part shell (15), a rotary disc (24) is arranged at the bottom of the filter part shell (15), a central tube (22) is arranged at the center of the inner side of the filter part shell (15),

the filter body (1) comprises a water inlet pipe (4) and a water outlet pipe (5) which are arranged on two sides of a horizontal end, and a lead-free refined copper block (9) and a vibration device (10) which are sequentially arranged on a vertical end, wherein the water inlet pipe (4) is connected with a water inlet end on one side of the filter body (1), and a valve body (11) is arranged at the water inlet end of the water inlet pipe (4);

the valve body (11) is provided with a channel, the channel comprises a water inlet port and a water outlet port, the valve body (11) is provided with a universal joint (12) and a water outlet pipe orifice, the universal joint (12) is arranged close to the water inlet port, and the water outlet pipe orifice is arranged close to the water outlet port; the universal joint (12) is sleeved with a universal joint nut (13), the universal joint (12) is connected with a universal valve body (14) through the universal joint nut (13), one end of the universal valve body (14) is provided with a through hole which is vertical to the connecting direction of the universal joint (12), the through hole is connected with the water inlet pipe (4),

a first water inlet pipe and a second water inlet pipe are arranged on the water inlet pipe (4), the first water inlet pipe and the second water inlet pipe are connected into a filtering part shell (15), a water inlet electromagnetic valve (6) is installed on the first water inlet pipe, a back washing electromagnetic valve (7) is installed on the second water inlet pipe, and the water outlet pipe (5) is connected with a water outlet pipe opening; a first water outlet pipe is arranged on the water outlet pipe (5), the first water outlet pipe is connected into the central pipe (22), a water outlet electromagnetic valve (8) is installed on the first water outlet pipe, and the lower end of the lead-free refined copper block (9) is connected with a vibration device (10);

a water distributor (16), a filter layer (17) and a scraping and washing rubber strip support (18) are sequentially arranged between the filter part shell (15) and the central pipe (22); a turntable bracket (23) is embedded at the bottom of the inner cavity of the filtering part shell (15), the outer side of the lower end of the turntable bracket (23) is provided with an external thread which is matched and connected with an internal thread arranged at the inner side of the upper end of the turntable (24),

a sewage discharge pipe (20) is arranged close to the lower end of the rotary table (24), and a sewage discharge electromagnetic valve (19) is arranged on the sewage discharge pipe (20); an end cover (2) is arranged at the top of the filter body (1), and a main control panel (3) and a time recorder (21) are arranged below the end cover (2).

2. The prefilter of claim 1 wherein said main control panel (3) is electrically connected to a water inlet solenoid valve (6), a back flush solenoid valve (7), a water outlet solenoid valve (8), a blowdown solenoid valve (19) and a time recorder (21) by wires, respectively.

3. The prefilter according to claim 1, wherein the vibrating device (10) comprises a vibrating block and a first spring, the first spring is fixed below the vibrating block, the first spring is sleeved outside the upper end of the scraping and washing rubber strip support (18), a first hole penetrating through the water outlet pipe (5) is formed in the center of the first spring, a concave-convex block is fixedly connected to the bottom of the scraping and washing rubber strip support (18), and scraping and washing rubber strips (181) are embedded in both sides of the concave-convex block.

4. A pre-filter according to claim 3, characterised in that the top of the disc holder (23) is provided with a groove and a tongue cooperating with the block.

5. The pre-filter according to claim 3, wherein there are two scraping rubber strips (181), and the two scraping rubber strips (181) are respectively located inside the grooves formed on the two sides of the scraping rubber strip support (18), and one side of the scraping rubber strip (181) is provided with a plurality of protrusions which are distributed in a linear array along the vertical end of the scraping rubber strip (181).

6. The prefilter of claim 1 wherein a plurality of sets of screen holes are formed in said central tube (22), said sets of screen holes being arranged in an annular array.

7. A pre-filter according to claim 1, characterised in that the inlet pipe (4) has a diameter of 32 mm.

8. A pre-filter according to claim 1, characterised in that the universal joint (12) opens in a direction perpendicular to both the water inlet and outlet ports of the valve body (11) passage.

9. A pre-filter according to claim 1, characterised in that a sealing O-ring is mounted between the universal joint (12) and the universal valve body (14).

10. A pre-filter according to claim 1, characterised in that the water distributor (16) is a metal screen cylinder, the bottom of which is provided with a second hole through the turntable support (23).