CN209900821U - Water purification device with filtering and backwashing functions - Google Patents

Abstract

The utility model relates to a water treatment correlation technique field specifically is a pure water device with filter and back flush function, including lower pure water pipe, the inside joint of lower pure water pipe has the outer filter screen of one-level, connects the snap ring joint in the inside of spread groove, and the collateral branch fagging is equipped with the fixed slot with the inside of interior backup pad, and the connecting plate joint has the inlet tube in the inside of fixed slot, and the surperficial spiro union of lower pure water pipe has the outlet pipe, and the beneficial effect is: after accomplishing the pure water filtration, let in the pure water to the inside of inlet tube, through the effect of hydraulic motor for the pure water carries out the back flush to outer filter screen of one-level, filter screen in the one-level and second grade filter screen, washs the multiunit filter screen through the back flush, need not go the multiunit filter screen down, installs again after washing, easy operation, labour saving and time saving, the pure water after the processing passes through the outlet pipe and discharges, simple structure is fit for promoting.

Description

Water purification device with filtering and backwashing functions

Technical Field

The utility model relates to a water treatment correlation technique field specifically is a pure water device with filter and back flush function.

Background

EDI is a pure water production technique that combines ion exchange technology, ion exchange membrane technology, and ion electromigration technology. It combines electrodialysis and ion exchange technology, uses high voltage of electrodes at two ends to move charged ions in water, and cooperates with ion exchange resin and selective resin membrane to accelerate the removal of ions, thereby achieving the purpose of water purification.

In the prior art, water is generally purified by adopting a physical filtering method, a filter screen is fixed in a pure water device in a threaded manner, the filter screen is inconvenient to disassemble and assemble due to the threaded installation mode, and meanwhile, the single filtering structure has poor filtering effect, cannot meet the purification requirement of pure water, and the obtained pure water has low quality and poor using effect; after pure water is carried out, the filter screen inside the water purifier needs to be disassembled, then the filter screen is cleaned, the cleaned filter screen is used for the second time, the operation is complex, the back washing operation cannot be carried out, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pure water device with filter and back flush function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pure water device with filtering and backwashing functions comprises a lower pure water pipe, wherein a first-level outer filter screen is clamped inside the lower pure water pipe, a first-level inner filter screen is clamped inside the first-level outer filter screen, a limiting ring is clamped between the first-level outer filter screen and the first-level inner filter screen, the limiting ring is welded on the inner wall of the lower pure water pipe, an elastic snap ring is welded on the surface of the first-level inner filter screen, a clamping groove is formed inside the first-level outer filter screen, the elastic snap ring is clamped inside the clamping groove, a pure water pipe is screwed on the surface of the lower pure water pipe, a second-level filter screen is clamped inside the upper pure water pipe, the limiting ring is welded on the inner wall of the upper pure water pipe, the second-level filter screen is connected on the surface of the limiting ring, a connecting snap ring is welded on the surface of the second-level filter screen, a connecting groove, the surface spiro union of pure water pipe and last pure water pipe has the collateral branch backup pad down, and the surface spiro union of pure water pipe and last pure water pipe has interior backup pad down, and the skin weld of collateral branch backup pad and interior backup pad has the connecting plate, and the collateral branch backup pad is equipped with the fixed slot with the inside of interior backup pad, the connecting plate joint is in the inside of fixed slot, and the surface spiro union of pure water pipe has the inlet tube down, and the surface spiro union of going up the pure water pipe has the outlet pipe.

Preferably, the internal diameter of the outer filter screen of one-level is greater than the diameter of filter screen in the one-level, and the filtration pore on the outer filter screen of one-level is greater than the filtration pore on the filter screen in the one-level, and the spacing ring is ring annular structure, and the spacing ring joint is on the surface of filter screen in the one-level and the inner wall of the outer filter screen of one-level.

Preferably, the snap ring is isosceles trapezoid elasticity annular structure, and the skin weld of the outer filter screen of one-level has the installation cover, and the installation cover is annular structure, and the joint groove sets up in the inside inboard of installation cover, and the filter screen passes through the snap ring joint in the one-level in the inboard of installation cover.

Preferably, the second grade filter screen is "T" shape structure, and the horizontal part and the vertical portion of second grade filter screen all are ring structure, and the connection snap ring comprises a set of ring and a set of isosceles trapezoid elastic ring, and the ring welding is on the horizontal part surface of second grade filter screen, and isosceles trapezoid elastic ring joint is in the inside of spread groove, and the spread groove setting is in the inside upper end of installation cover.

Preferably, pure water pipe all is provided with the multiunit with last pure water pipe down, the surface of pure water pipe and last pure water pipe under both sides is gone up to the collateral branch fagging spiro union, the surface of pure water pipe and last pure water pipe under the inboard of interior supporting plate spiro union, the collateral branch fagging comprises a set of arc and a set of rectangular plate, interior supporting plate comprises a set of arc and two sets of rectangular plates, the radian of arc is the same with the radian of pure water pipe and last pure water pipe down, the connecting plate welding is at the side surface of collateral branch fagging and interior supporting plate right side rectangular plate, the inside of rectangular plate and connecting plate all is equipped with the thread groove, the inside spiro union of thread groove.

Preferably, the water inlet pipe is in threaded connection with the side surface of the lower pure water pipe, the water outlet pipe is in threaded connection with the side surface of the upper pure water pipe, the water inlet pipe and the water outlet pipe are communicated with the interiors of the lower pure water pipe and the upper pure water pipe, and the upper end of the upper pure water pipe is in threaded connection with the hydraulic motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the primary outer filter screen is clamped inside the lower pure water pipe through the limiting ring, the primary inner filter screen is clamped inside the primary outer filter screen through the elastic clamping ring, a multiple filter structure is formed, the filter effect is good, the clamping type installation structure is convenient to install and disassemble, the secondary filter screen is clamped inside the upper pure water pipe through the connecting clamping ring, water is further filtered, the filter effect is better, and the using effect is good;

2. after accomplishing the pure water filtration, let in the pure water to the inside of inlet tube, through the effect of hydraulic motor for the pure water carries out the back flush to outer filter screen of one-level, filter screen in the one-level and second grade filter screen, washs the multiunit filter screen through the back flush, need not go the multiunit filter screen down, installs again after washing, easy operation, labour saving and time saving, the pure water after the processing passes through the outlet pipe and discharges, simple structure is fit for promoting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the lower pure water pipe and the upper pure water pipe of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the explosion structure of the primary inner strainer and the secondary strainer of the present invention;

FIG. 5 is a schematic view of an explosive structure of a side supporting plate and an inner supporting plate

In the figure: the water purifier comprises a lower pure water pipe 1, a primary outer filter screen 2, a primary inner filter screen 3, a limiting ring 4, an elastic clamping ring 5, a clamping groove 6, an upper pure water pipe 7, a secondary filter screen 8, a connecting clamping ring 9, a connecting groove 10, a side supporting plate 11, an inner supporting plate 12, a connecting plate 13, a fixing groove 14, a water inlet pipe 15 and a water outlet pipe 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a water purification device with filtering and back flushing functions comprises a lower pure water pipe 1, a first-stage outer filter screen 2 is clamped inside the lower pure water pipe 1, a first-stage inner filter screen 3 is clamped inside the first-stage outer filter screen 2, a limiting ring 4 is clamped between the first-stage outer filter screen 2 and the first-stage inner filter screen 3, the limiting ring 4 is welded on the inner wall of the lower pure water pipe 1, the inner diameter of the first-stage outer filter screen 2 is larger than the diameter of the first-stage inner filter screen 3, a filtering hole on the first-stage outer filter screen 2 is larger than a filtering hole on the first-stage inner filter screen 3, the limiting ring 4 is of a circular ring structure, the limiting ring 4 is clamped on the surface of the first-stage inner filter screen 3 and the inner wall of the first-stage outer filter screen 2, the first-stage outer filter screen 2 is fixed inside the lower pure water pipe 1 through the limiting ring 4 in a clamping manner, water is filtered through, the filtering effect is good, and the purification quality of water is higher;

referring to fig. 3 and 4, an elastic snap ring 5 is welded on the surface of the first-stage inner filter screen 3, a clamping groove 6 is formed in the first-stage outer filter screen 2, the elastic snap ring 5 is clamped in the clamping groove 6, the elastic snap ring 5 is in an isosceles trapezoid elastic annular structure, an installation sleeve is welded on the surface of the first-stage outer filter screen 2 and is in an annular structure, the clamping groove 6 is formed in the inner side of the installation sleeve, the first-stage inner filter screen 3 is clamped in the inner side of the installation sleeve through the elastic snap ring 5, and due to the elastic effect of the elastic snap ring 5, the elastic snap ring 5 is extruded on the inner wall of the installation sleeve and is finally clamped in the clamping groove 6 to complete fixing of the first-stage inner filter screen 3;

referring to fig. 2 and 4, an upper pure water pipe 7 is screwed on the surface of a lower pure water pipe 1, a second-stage filter net 8 is clamped inside the upper pure water pipe 7, a limit ring 4 is welded on the inner wall of the upper pure water pipe 7, the second-stage filter net 8 is clamped on the surface of the limit ring 4, a connecting snap ring 9 is welded on the surface of the second-stage filter net 8, a connecting groove 10 is arranged inside a first-stage outer filter net 2, the connecting snap ring 9 is clamped inside the connecting groove 10, the second-stage filter net 8 is in a T-shaped structure, the horizontal part and the vertical part of the second-stage filter net 8 are both in a circular ring structure, the connecting snap ring 9 is composed of a group of rings and a group of isosceles trapezoid elastic rings, the rings are welded on the surface of the horizontal part of the second-stage filter net 8, the isosceles trapezoid elastic rings are clamped inside the connecting groove 10, the connecting groove 10 is arranged at the upper end inside the mounting, the water is further filtered by the secondary filter screen 8, so that the treatment effect is better, and the purification quality of the water is further ensured;

referring to fig. 1 and 5, a side support plate 11 is screwed on the surface of the lower pure water pipe 1 and the upper pure water pipe 7, an inner support plate 12 is screwed on the surface of the lower pure water pipe 1 and the upper pure water pipe 7, a connection plate 13 is welded on the surface of the side support plate 11 and the inner support plate 12, a fixing groove 14 is arranged inside the side support plate 11 and the inner support plate 12, the connection plate 13 is clamped inside the fixing groove 14, a plurality of groups of the lower pure water pipe 1 and the upper pure water pipe 7 are arranged on the lower pure water pipe 1 and the upper pure water pipe 7, the side support plate 12 is screwed on the surface of the lower pure water pipe 1 and the upper pure water pipe 7 on the inner side, the side support plate 11 is composed of a group of arc plates and a group of rectangular plates, the inner support plate 12 is composed of a group of arc plates and two groups of rectangular plates, the radian of the arc plates is the same as the radian of the lower pure water pipe 1 and, threaded grooves are formed in the rectangular plate and the connecting plate 13, fixing bolts are screwed in the threaded grooves, a plurality of groups of side supporting plates 11 and inner supporting plates 12 are fixed on the surfaces of the lower pure water pipe 1 and the upper pure water pipe 7 in a screwed mode, the side supporting plates 11 and the inner supporting plates 12 are fixed together through the connecting plate 13, structural stability and strength of the groups of lower pure water pipes 1 and upper pure water pipes 7 in use are improved, and use quality is further guaranteed;

referring to fig. 1 and 2, a water inlet pipe 15 is screwed on the surface of a lower pure water pipe 1, a water outlet pipe 16 is screwed on the surface of an upper pure water pipe 7, the water inlet pipe 15 is screwed on the side surface of the lower pure water pipe 1, the water outlet pipe 16 is screwed on the side surface of the upper pure water pipe 7, the water inlet pipe 15 and the water outlet pipe 16 are both communicated with the lower pure water pipe 1 and the interior of the upper pure water pipe 7, a hydraulic motor is screwed on the upper end of the upper pure water pipe 7, the type of the hydraulic motor is BM2, purified water is introduced into the interior of the lower pure water pipe 1 through the water inlet pipe 15, the hydraulic motor is started, the hydraulic motor guides the purified water, back washing is carried out on a plurality of groups of filter screens through the purified water.

The working principle is as follows: in actual operation, when purifying water, water enters into the lower pure water pipe 1, the first-stage outer filter screen 2 is clamped in the lower pure water pipe 1 through the limiting ring 4, the water is primarily filtered through the first-stage outer filter screen 2, meanwhile, the first-stage inner filter screen 3 is clamped in the first-stage outer filter screen 2 through the elastic clamping ring 5 and is limited and fixed through the limiting ring 4, the water is secondarily filtered through the first-stage inner filter screen 3, multiple filtering is performed, the water purifying effect is good, the water after multistage filtering enters into the upper pure water pipe 7, the second-stage filter screen 8 is clamped in the upper pure water pipe 7 through the connecting clamping ring 9 and is limited and fixed through the limiting ring 4, the water is further purified and filtered through the second-stage filter screen 8, the purifying effect is better, the using effect is good, the first-stage outer filter screen 2, the first-stage inner filter screen 3 and the second-stage filter screen 8 both adopt clamping type mounting structures, simple structure, convenient installation and disassembly, after the purification of water is completed, purified water is introduced into the lower pure water pipe 1 through the water inlet pipe 15, the purified water backwashes the first-level outer filter screen 2, the first-level inner filter screen 3 and the second-level filter screen 8 under the action of the hydraulic motor, so that the first-level outer filter screen 2, the first-level inner filter screen 3 and the second-level filter screen 8 are kept in a clean state, the use quality of the first-level outer filter screen 2, the first-level inner filter screen 3 and the second-level filter screen 8 is further ensured, then the purified water is discharged through the water outlet pipe 16, in the process of purifying the water, a plurality of groups of supporting plates 11 and inner supporting plates 12 are clamped together through the connecting plates 13 and are fixed on a plurality of groups of lower pure water pipes 1 and upper pure water pipes 7, the stability and strength of the structure are improved, the quality during the purification of the, is suitable for popularization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pure water device with filter and back flush function, includes water purification pipe (1) down, its characterized in that: the inner joint of the lower pure water pipe (1) is provided with a first-level outer filter screen (2), the inner joint of the first-level outer filter screen (2) is provided with a first-level inner filter screen (3), a limiting ring (4) is connected between the first-level outer filter screen (2) and the first-level inner filter screen (3), the limiting ring (4) is welded on the inner wall of the lower pure water pipe (1), the surface of the first-level inner filter screen (3) is welded with an elastic snap ring (5), the inner part of the first-level outer filter screen (2) is provided with a snap groove (6), the elastic snap ring (5) is connected in the snap groove (6), the surface of the lower pure water pipe (1) is screwed with a pure water pipe (7), the inner joint of the upper pure water pipe (7) is provided with a second-level filter screen (8), the inner wall of the upper pure water pipe (7) is welded with the limiting ring (4), the second-level filter screen (8) is connected on the surface of the, the inside of one-level outer filter screen (2) is equipped with spread groove (10), connect snap ring (9) joint in the inside of spread groove (10), pure water pipe (1) has collateral branch fagging (11) with the surface spiro union of last pure water pipe (7) down, and pure water pipe (1) has interior backup pad (12) with the surface spiro union of last pure water pipe (7) down, and the skin weld of collateral branch fagging (11) and interior backup pad (12) has connecting plate (13), and collateral branch fagging (11) are equipped with fixed slot (14) with the inside of interior backup pad (12), connecting plate (13) joint is in the inside of fixed slot (14), and the surface spiro union of pure water pipe (1) has inlet tube (15) down, and the surface spiro union of going up pure water pipe (7) has outlet pipe (.

2. The pure water device with filtering and back flushing functions as claimed in claim 1, wherein: the internal diameter of the outer filter screen of one-level (2) is greater than the diameter of the inner filter screen of one-level (3), and the filtration pore on the outer filter screen of one-level (2) is greater than the filtration pore on the inner filter screen of one-level (3), and spacing ring (4) are the ring annular structure, and spacing ring (4) joint is on the surface of filter screen in one-level (3) and the inner wall of the outer filter screen of one-level (2).

3. The pure water device with filtering and back flushing functions as claimed in claim 1, wherein: elasticity snap ring (5) are isosceles trapezoid elasticity annular structure, and the skin weld of the outer filter screen of one-level (2) has the installation cover, and the installation cover is ring annular structure, and joint groove (6) set up in the inside inboard of installation cover, and filter screen (3) pass through in the one-level elasticity snap ring (5) joint in the inboard of installation cover.

4. The pure water device with filtering and back flushing functions as claimed in claim 1, wherein: second grade filter screen (8) are "T" shape structure, and the horizontal part and the vertical part of second grade filter screen (8) all are ring structure, connect snap ring (9) to constitute by a set of ring and a set of isosceles trapezoid elastic ring, and the ring welds on the horizontal part surface of second grade filter screen (8), and isosceles trapezoid elastic ring joint is in the inside of spread groove (10), and spread groove (10) set up the inside upper end at the installation cover.

5. The pure water device with filtering and back flushing functions as claimed in claim 1, wherein: pure water pipe (1) all is provided with the multiunit with last pure water pipe (7) down, the surface of pure water pipe (1) and last pure water pipe (7) under both sides is taken turns to collateral branch fagging (11) spiro union, interior backup pad (12) spiro union is taken turns to the surface of pure water pipe (1) and last pure water pipe (7) under the inboard, collateral branch fagging (11) comprise a set of arc and a set of rectangular plate, interior backup pad (12) comprise a set of arc and two sets of rectangular plates, the radian of arc is the same with the radian of pure water pipe (1) and last pure water pipe (7) down, connecting plate (13) welding is in the side surface of collateral branch fagging (11) and interior backup pad (12) right side rectangular plate, the inside of rectangular plate and connecting plate (13) all is equipped with the thread groove, the inside spiro union of thread.

6. The pure water device with filtering and back flushing functions as claimed in claim 1, wherein: the water inlet pipe (15) is in threaded connection with the side surface of the lower pure water pipe (1), the water outlet pipe (16) is in threaded connection with the side surface of the upper pure water pipe (7), the water inlet pipe (15) and the water outlet pipe (16) are communicated with the interiors of the lower pure water pipe (1) and the upper pure water pipe (7), and the upper end of the upper pure water pipe (7) is in threaded connection with a hydraulic motor.

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