CN113477086A

CN113477086A - Reverse osmosis filter core and water purifier

Info

Publication number: CN113477086A
Application number: CN202110845489.2A
Authority: CN
Inventors: 张官红; 王志鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-10-08

Abstract

The invention relates to the field of water source purification, in particular to a reverse osmosis filter element and a water purifier, which comprise a water passing pipe, wherein the lower end surface of the water passing pipe is fixedly connected with a plurality of connectors arranged at equal intervals, the lower end surface of each connector is fixedly connected with a rotary screw pipe, a filter element pipe is in threaded connection with the side wall of the rotary screw pipe, the inner side wall of the filter element pipe is fixedly connected with a connecting ring, the inner side wall of the connecting ring is fixedly connected with a threaded pipe, an outer filter element is arranged in the filter element pipe, the lower end surface of the outer filter element is fixedly connected with a water storage pipe, the filter element pipe and the water storage pipe are arranged, water to be filtered and purified and circulated in the water passing pipe is directly circulated into the water storage pipe by utilizing a water conveying pipe, after large-particle impurities are filtered and treated in the water storage pipe, the water for filtering the large-particle impurities is further filtered by the outer filter element and the inner filter element, and the large-particle impurities are prevented from being directly filtered by the inner filter element and the outer filter element to cause the filter element to be blocked, causing the filtering capacity of the filter element to be affected.

Description

Reverse osmosis filter core and water purifier

Technical Field

The invention relates to the field of water source purification, in particular to a reverse osmosis filter element and a water purifier.

Background

The filter element is an important part for filtering raw water in the water purifier, and can remove solid particles in water and filter harmful chemical components. The reverse osmosis filter element is a special filter element, can further filter various inorganic ions, colloidal substances and macromolecular solutes in raw water, and is commonly used in a water purifier at present.

There is a reverse osmosis membrane filter element and a water purifier in the prior art (publication No. CN109019777A), wherein the reverse osmosis membrane filter element includes: a center piece; the side wall of the water inlet pipe is provided with a plurality of raw water outlet holes, at least one end of the water inlet pipe forms a raw water inlet, and the plurality of water inlet pipes are arranged around the central piece to form a central pipe group; the reverse osmosis membrane group is provided with a plurality of reverse osmosis membrane sheets, the reverse osmosis membrane sheets in the reverse osmosis membrane group penetrate between the central piece and the water inlet pipe and are rolled around the central pipe group to form a water inlet flow passage and a water production flow passage; the reverse osmosis membrane group is still including setting up the graticule mesh of intaking in each water inlet channel, and the initiating side of graticule mesh of intaking is connected with the installation outer wall of inlet tube, and the installation outer wall is the lateral wall that the center piece was kept away from to the inlet tube.

When the reverse osmosis filter element is used, water directly enters the treatment pipe from the water inlet device, and is often directly filtered by the reverse osmosis filter element, when the filter mode is used, the filter element directly filters large-particle impurities, inorganic ions and the like in the water, the large-particle impurities easily cause the blockage of the reverse osmosis filter element, so that the reverse osmosis filter element loses the capability of filtering inorganic salt ions, colloidal substances and macromolecular solutes, and meanwhile, when the conventional filter element is used, algae in the water cannot be fully filtered, so that an algae breeding area can be formed between the filter element and the circulating pipe and is adsorbed on the side wall of the filter element and the inner side wall of the circulating pipe, the use of the filter element is influenced, meanwhile, a filtered water source can be polluted, and the water purifier loses the purification effect;

therefore, a reverse osmosis filter element and a water purifier are provided.

Disclosure of Invention

The invention aims to provide a reverse osmosis filter element and a water purifier, wherein the filter element pipe and a water storage pipe are arranged, water to be filtered and purified which flows in the water through pipe directly flows into the water storage pipe by using a water delivery pipe, large-particle impurities are firstly filtered in the water storage pipe, and then the water for filtering the large-particle impurities is further filtered by an outer filter element and an inner filter element, so that the filter element is prevented from being blocked due to the fact that the large-particle impurities are directly filtered by the inner filter element and the outer filter element, and the filtering capacity of the filter element is prevented from being influenced, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a reverse osmosis filter element and a water purifier comprise a water passing pipe, wherein the lower end surface of the water passing pipe is fixedly connected with a plurality of connectors which are arranged at equal intervals, the lower end surface of each connector is fixedly connected with a rotating spiral pipe, the side wall of the rotating spiral pipe is in threaded connection with a filter element pipe, the inner side wall of the filter element pipe is fixedly connected with a connecting ring, the inner side wall of the connecting ring is fixedly connected with a threaded pipe, an outer filter element is arranged in the filter element pipe, the lower end surface of the outer filter element is fixedly connected with a water storage pipe, the side wall of the water storage pipe is provided with an external thread, the threaded pipe is in threaded connection with the external thread, a water conveying pipe is arranged in the water passing pipe, the water conveying pipe penetrates through the outer filter element and extends into the water storage pipe, the side wall of the outer filter element is circumferentially and fixedly connected with a plurality of adsorption blocks, the inner filter element is fixedly connected in the outer filter element, and the inner filter element is sleeved on the side wall of the water conveying pipe, be equipped with on the lateral wall of outer filter core and be used for the clear clean mechanism of remaining impurity on outer filter core and the filter core pipe lateral wall, the interior bottom fixedly connected with actuating lever of standpipe, the cover is equipped with the connection lantern ring on the lateral wall of actuating lever, be equipped with on the lateral wall of the connection lantern ring and be used for the filterable barrier mechanism to large granule impurity, be equipped with in the standpipe and be used for supplementary barrier mechanism to the absorptive adsorption apparatus of large granule impurity.

Through setting up filter element pipe and standpipe to utilize the raceway will cross the water direct circulation to the water storage pipe of treating filtration purification of intraductal circulation of water, at first carry out filtration treatment to the impurity of large granule in the water storage pipe after, carry out further filtration treatment by outer filter core and inner filter core to the water of filtering large granule impurity again, prevent that inner filter core and outer filter core are direct to filter large granule impurity and lead to the filter core to block up, cause the filter capacity of filter core to receive the influence.

Preferably, clean mechanism establishes two clean rings on outer filter core lateral wall including the cover, two pressure rings of fixedly connected with on the lateral wall of clean ring, two logical groove has all been seted up in the pressure ring, the below lead to inslot fixedly connected with bottom filter screen, top lead to two matched with pressure valves of inslot fixedly connected with, a plurality of extrusion pieces of inside wall circumference fixedly connected with of clean ring, the extrusion piece sets up two adsorb between the piece.

Through setting up clean ring, utilize the last pushing and pressing force of the water after the filtration that oozes by the filter core, will clean the hoop and promote upwards, under the limiting displacement of gag lever post, extrusion piece and the laminating of absorption piece on the clean ring, clean ring pastes the inside wall of tight filter core pipe simultaneously, the realization is clean gluing absorbent alga on the surface of filter core and the inner wall of filter core pipe, utilize pressure valve simultaneously, when water pressure is greater than the pressure that pressure valve opened with reset spring's elastic traction force, pressure valve opens, rivers pass the pressure valve and discharge, clean ring moves down under reset spring's the traction and the limiting displacement of gag lever post this moment, it can realize gluing absorbent alga clean on filter core surface and the filter core pipe inside wall to circulate this process.

Preferably, a plurality of circumferentially arranged limiting rods are fixedly connected to the side wall of the connecting ring in a penetrating manner, the two cleaning rings are connected to the plurality of limiting rods in a penetrating manner in a sliding manner, a plurality of circumferentially arranged return springs are elastically connected to the cleaning rings and the connecting ring, and the return springs are sleeved on the limiting rods.

Through setting up a plurality of gag lever posts, reciprocate the spacing of in-process to the cleaning ring, establish the reset spring cover on the gag lever post simultaneously, realize reciprocating the spacing of in-process spring extension and reset process to the cleaning ring, prevent that reset spring from deforming, cause reset spring's destruction.

Preferably, the blocking mechanism comprises a plurality of filter sheets which are fixedly connected to the side wall of the connecting sleeve ring and are circumferentially arranged, the outer side end of each filter sheet is fixedly connected with an adsorption ring, the side wall of each adsorption ring is fixedly connected with a contact ring, a plurality of blocking valves which are circumferentially arranged are fixedly connected to the opposite side walls of the connecting sleeve ring and the adsorption ring, and the filter sheets are arranged above the blocking valves.

Through the arrangement of the connecting lantern ring, the filter disc and the adsorption ring, after filtered water enters the water storage pipe through the water delivery pipe, the water enters the cavity between the connecting lantern ring and the inner bottom of the water storage pipe from the upper part of the blocking valve, the connecting lantern ring is lifted up due to the buoyancy effect, the water pressure entering the blocking valve is larger than the water flow flowing out from the filter disc, the water is pressed out of the filter disc, the filtering process is realized, and large-particle impurities are filtered and blocked below the filter disc.

Preferably, the adsorption mechanism comprises two symmetrically-arranged fitting grooves formed in the inner wall of the water storage pipe, magnetic blocks are fixedly connected in the fitting grooves, a placing cavity is formed in the contact ring, a plurality of strands of coils arranged at equal intervals are wound in the placing cavity, and the coils are electrically connected with the adsorption ring.

Through setting up the magnetic path, the removal and the rotation of cooperation coil cut magnetic induction line motion to the magnetic field that forms between two magnetic paths, because ampere's law can know, can produce the electric current on the coil of cutting magnetic induction line, utilize the electric current to switch on the absorption ring this moment, when realizing the circular telegram to water, utilize the absorption ring after the circular telegram to the absorption of particulate matter, adsorb the particulate matter on the absorption ring, prevent breaking away from of particulate matter.

Preferably, a plurality of spirally arranged driving grooves are formed in the side wall of the driving rod, two symmetrically arranged driving blocks are fixedly connected to the inner side wall of the connecting sleeve ring, and the driving blocks are slidably connected in the driving grooves.

Through setting up the drive groove on actuating lever and the actuating lever, the cooperation is connected the drive block on the lantern ring, and at the ascending in-process of the lantern ring of connecting, the spiral contact between drive block and the drive groove realizes moving up the rotatory drive of in-process to the lantern ring of connecting, utilizes the rotation of the lantern ring of connecting, for adsorption ring adsorbs the impurity in-process and provides centrifugal force, realizes the convenient cleanness to large granule impurity and prevents that the filter element from being blockked up by large granule impurity in the use.

A reverse osmosis water purifier comprising a reverse osmosis filter element according to any one of claims 1 to 6.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up filter element pipe and standpipe to utilize the raceway will cross the water direct circulation to the water storage pipe of treating filtration purification of intraductal circulation of water, at first carry out filtration treatment to the impurity of large granule in the water storage pipe after, carry out further filtration treatment by outer filter core and inner filter core to the water of filtering large granule impurity again, prevent that inner filter core and outer filter core are direct to filter large granule impurity and lead to the filter core to block up, cause the filter capacity of filter core to receive the influence.

2. Through setting up clean ring, utilize the last pushing and pressing force of the water after the filtration that oozes by the filter core, will clean the hoop and promote upwards, under the limiting displacement of gag lever post, extrusion piece and the laminating of absorption piece on the clean ring, clean ring pastes the inside wall of tight filter core pipe simultaneously, the realization is clean gluing absorbent alga on the surface of filter core and the inner wall of filter core pipe, utilize pressure valve simultaneously, when water pressure is greater than the pressure that pressure valve opened with reset spring's elastic traction force, pressure valve opens, rivers pass the pressure valve and discharge, clean ring moves down under reset spring's the traction and the limiting displacement of gag lever post this moment, it can realize gluing absorbent alga clean on filter core surface and the filter core pipe inside wall to circulate this process.

3. Through the arrangement of the connecting lantern ring, the filter disc and the adsorption ring, after filtered water enters the water storage pipe through the water delivery pipe, the water enters the cavity between the connecting lantern ring and the inner bottom of the water storage pipe from the upper part of the blocking valve, the connecting lantern ring is lifted up due to the buoyancy effect, the water pressure entering the blocking valve is larger than the water flow flowing out from the filter disc, the water is pressed out of the filter disc, the filtering process is realized, and large-particle impurities are filtered and blocked below the filter disc.

Drawings

FIG. 1 is a schematic perspective view of a filter element according to the present invention;

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is a front view of the outer cartridge of the present invention;

FIG. 4 is a cross-sectional view of a storage tube of the present invention;

FIG. 5 is a top view of a filter cartridge according to the present invention;

FIG. 6 is a top view of the cleaning ring of the present invention;

FIG. 7 is a top view of a check valve of the present invention;

fig. 8 is an enlarged view of the structure at a in fig. 7 according to the present invention.

In the figure: 1. a water pipe; 2. a connector; 3. rotating the solenoid; 4. a water delivery pipe; 5. a filter element pipe; 6. an outer filter element; 7. an adsorption block; 8. cleaning the ring; 9. a limiting rod; 10. a water storage pipe; 11. a connecting ring; 12. a threaded pipe; 13. an external thread; 14. extruding the block; 15. a bottom layer filter screen; 16. an inner filter element; 17. a pressure ring; 18. a fitting groove; 19. a magnetic block; 20. a drive rod; 21. a connecting lantern ring; 22. a contact ring; 23. a pressure valve; 24. a barrier valve; 25. a filter disc; 26. an adsorption ring; 27. a placement chamber; 28. and a coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution:

a reverse osmosis filter element and a water purifier are shown in figures 1 to 4 and comprise a water passing pipe 1, wherein the lower end surface of the water passing pipe 1 is fixedly connected with a plurality of connectors 2 which are arranged at equal intervals, the lower end surface of each connector 2 is fixedly connected with a rotating spiral pipe 3, the side wall of each rotating spiral pipe 3 is in threaded connection with a filter element pipe 5, the inner side wall of each filter element pipe 5 is fixedly connected with a connecting ring 11, the inner side wall of each connecting ring 11 is fixedly connected with a threaded pipe 12, an outer filter element 6 is arranged in each filter element pipe 5, and the lower end surface of each outer filter element 6 is fixedly connected with a water storage pipe 10;

arranging a filter element pipe 5 and a water storage pipe 10, directly circulating water to be filtered and purified, which circulates in a water passing pipe 1, into the water storage pipe 10 by using a water conveying pipe 4, and firstly filtering large-particle impurities in a water storage pipe 1O;

the side wall of the water storage pipe 10 is provided with external threads 13, a threaded pipe 12 is in threaded connection with the external threads 13, a water conveying pipe 4 is arranged in the water passing pipe 1, the water conveying pipe 4 penetrates through the outer filter element 6 and extends into the water storage pipe 10, the side wall of the outer filter element 6 is circumferentially and fixedly connected with a plurality of adsorption blocks 7, an inner filter element 16 is fixedly connected in the outer filter element 6, the inner filter element 16 is sleeved on the side wall of the water conveying pipe 4, the outer filter element 6 and the inner filter element 16 are used for further filtering water for filtering large-particle impurities, the inner filter element 16 and the outer filter element 6 are prevented from directly filtering the large-particle impurities to cause filter element blockage, the filtering capacity of the filter elements is influenced, a cleaning mechanism for cleaning residual impurities on the side walls of the outer filter element 6 and the filter element 5 is arranged on the side wall of the outer filter element 6, the inner bottom of the water storage pipe 10 is fixedly connected with a driving rod 20, and a connecting lantern ring 21 is sleeved on the side wall of the driving rod 20, a blocking mechanism for filtering large-particle impurities is arranged on the side wall of the connecting lantern ring 21, and an adsorption mechanism for assisting the blocking mechanism to adsorb the large-particle impurities is arranged in the water storage pipe 10;

the during operation, treat that the drainage water passes through water pipe 1, get into raceway 4 in, will treat filterable water flow to standpipe 10 by raceway 4 passes inner filter 16, through the stopping mechanism in standpipe 10, tentatively intercept large granule impurity and filter to utilize adsorption apparatus to adsorb large granule impurity in standpipe 10, prevent that large granule impurity is direct to be filtered by inner filter 16 and outer filter core 6 directly and lead to the filter core to block up in the traditional mode, cause the filter capacity of filter core to receive the influence.

As an embodiment of the present invention, as shown in fig. 1 and 3, the cleaning mechanism includes two cleaning rings 8 sleeved on the outer sidewall of the outer filter element 6, two pressure rings 17 are fixedly connected to the sidewall of the cleaning ring 8, by providing the cleaning ring 8, the cleaning ring 8 is pushed upward by the upward pushing force of the filtered water seeped from the filter element, under the limiting action of the limiting rod 9, the squeezing block 14 on the cleaning ring 8 is attached to the absorbing block 7, and the cleaning ring 8 is attached to the inner sidewall of the filter element tube 5, so as to clean the surface of the filter element and the algae adhered and absorbed on the inner wall of the filter element tube 5; through grooves are formed in the two pressure rings 17, a bottom layer filter screen 15 is fixedly connected in the through groove below, two matched pressure valves 23 are fixedly connected in the through groove above, a plurality of extrusion blocks 14 are fixedly connected to the inner side wall of the cleaning ring 8 in the circumferential direction, and the extrusion blocks 14 are arranged between the two adsorption blocks 7;

when the filter core cleaning device works, water filtered by the filter core firstly enters the lower part of the filter core pipe 5, the cleaning ring 8 is driven to slide upwards between the outer filter core 6 and the filter core pipe 5 under the pushing action of water pressure along with the continuous rising of the water level, the outer side wall of the cleaning ring 8 is contacted with the side wall of the filter core pipe 5 in the upwards moving process, algae adhered and adsorbed on the side wall of the filter core pipe 5 are cleaned by utilizing contact and friction, the extrusion block 14 in the cleaning ring 8 is matched and contacted with the adsorption block 7 in the process, impurities such as the algae adhered and adsorbed on the surfaces of the adsorption block 7 and the outer filter core 6 are cleaned, the cleaning ring 8 drives the reset spring on the limiting rod 9 to stretch in the continuous upwards moving process along with the continuous increasing of the water pressure, when the acting force of the water pressure and the pressure in the reset spring is greater than the opening pressure of the through groove valve 23, the pressure valve 23 opens the water to be discharged through the through groove, the bottom filter screen 15 in the through groove below in the process blocks and filters the cleaned algae, the cleaned algae are prevented from flowing along with water flow, secondary pollution is caused to water quality, after the pressure valve 23 is opened in the process, the reset spring elastically resets to drive the cleaning ring 8 to move downwards, the up-and-down moving process of the cleaning ring 8 is realized, and the cleaning and the filtering of the algae on the surface of the filter element and the inner side wall of the filter element pipe 5 and sticky impurities are realized.

As an embodiment of the present invention, as shown in fig. 3 and 4, a plurality of circumferentially disposed limiting rods 9 are fixedly connected to the side wall of the connecting ring 11 in a penetrating manner, two cleaning rings 8 are slidably connected to the plurality of limiting rods 9 in a penetrating manner, the cleaning rings 8 and the connecting ring 11 are elastically connected to a plurality of circumferentially disposed return springs, and the return springs are sleeved on the limiting rods 9;

the cleaning ring 8 is limited in the up-and-down moving process by arranging the limiting rods 9, and the reset spring is sleeved on the limiting rods 9, so that the limiting of the spring in the stretching and resetting processes of the cleaning ring 8 in the up-and-down moving process is realized, and the reset spring is prevented from being deformed to damage the reset spring;

during operation, clean ring 8 rebound under the effect of water pressure, gag lever post 9 is spacing to reciprocating of clean ring 8 this moment, keeps

clean ring

8 and 5 inner wall sliding contact in-process's of filter element pipe balance and contact stability, simultaneously under the spacing fixed action of gag lever post 9, keeps reset spring's fixed and the support at reset spring reset in-process.

As an embodiment of the present invention, as shown in fig. 4 to 7, the blocking mechanism includes a plurality of circumferentially disposed filter sheets 25 fixedly connected to the side wall of the connection collar 21, an adsorption ring 26 fixedly connected to the outer side ends of the plurality of filter sheets 25, a contact ring 22 fixedly connected to the side wall of the adsorption ring 26, a plurality of circumferentially disposed blocking valves 24 fixedly connected to the opposite side walls of the connection collar 21 and the adsorption ring 26, after filtered water enters the water storage pipe 10 through the water pipe 4, water enters the cavity between the connecting lantern ring 21 and the inner bottom of the water storage pipe 10 from the upper part of the stopping valve 24, the filter disc 25 is arranged above the stopping valve 24, the connecting lantern ring 21 is lifted up due to the buoyancy, at the moment, the water is pressed out of the filter disc 25 by utilizing the fact that the water pressure entering the blocking valve 24 is larger than the water flow flowing out of the filter disc 25, the filtering process is realized, and large-particle impurities are filtered and blocked below the filter disc 25;

when in use, water to be filtered is directly injected into the water storage pipe 10 through the water pipe 1 and the water delivery pipe 4, along with the increase of the water level in the water storage pipe 10, under the action of buoyancy, the connecting sleeve ring 21 drives the adsorption ring 26 and the obstruction valve 24 to move upwards, when the connecting lantern ring 21 rises to the maximum height, in the process, because the water pressure of the water delivery pipe 4 is higher than the water pressure in the water storage pipe 10, the water flow circulates into the cavity where the water storage pipe 10 is located below the connecting lantern ring 21 through the blocking valve 24, the blocking valve 24 can only be opened downwards under the action of the filter disc 25, therefore, the water in the water storage pipe 10 can only pass through under the action of the water pressure of the discharged water in the water conveying pipe 4, the area where the filter sheet 25 is located is discharged, at the moment, the filter sheet 25 carries out the filtering process on large-particle impurities in the water flow passing through the filter sheet, and the filtered water passes through the inner filter element 16 and the outer filter element 6 in sequence for further filtering treatment.

As an embodiment of the present invention, as shown in fig. 4 and 8, the adsorption mechanism includes two symmetrically disposed attachment grooves 18 formed on the inner wall of the water storage pipe 10, the magnet 19 is fixedly connected in the attachment groove 18, and the magnetic field formed between the two magnet 19 is cut by moving and rotating the coil 28, as can be seen from the ampere law, a current is generated on the coil 28 cutting the magnetic induction line, at this time, the adsorption ring 26 is conducted by the current, the water is electrified, meanwhile, the adsorption of the particles by the electrified adsorption ring 26 is used to adsorb the particles on the adsorption ring 26, the placing cavity 27 is formed in the contact ring 22 for preventing the particles from being detached, a plurality of strands of coils 28 disposed at equal intervals are wound in the placing cavity 27, and the coil 28 is electrically connected to the adsorption ring 26;

in operation, when the coil 28 in the adsorption ring 26 passes through the magnetic field formed between the two magnetic blocks 19 in the process of moving the connection sleeve ring 21 upwards, the corresponding induced current can be generated on the coil 28 due to the known ampere law, the induced current is conducted to the adsorption ring 26 through the coil 28, the water can be assisted to be purified in the water electrifying process, and meanwhile, the adsorption ring 26 is electrified to have an adsorption effect on granular impurities, so after the filter disc 25 blocks the large-particle impurities, the large-particle impurities are adsorbed on the adsorption ring 26 when passing through the adsorption ring 26, the large-particle impurities are prevented from being blocked on the filter disc 25, meanwhile, the impurity particles are adsorbed, and the separation of the particle impurities is prevented.

As an embodiment of the present invention, as shown in fig. 4, a plurality of spirally arranged driving grooves are formed on a side wall of the driving rod 20, two symmetrically arranged driving blocks are fixedly connected to an inner side wall of the connecting sleeve ring 21, the driving blocks are slidably connected in the driving grooves, the driving grooves formed in the driving rod 20 and the driving rod 20 are matched with the driving blocks on the connecting sleeve ring 21, when the connecting sleeve ring 21 rises, the driving blocks are spirally contacted with the driving grooves, so as to drive the connecting sleeve ring 21 to rotate in the upward moving process, and by using the rotation of the connecting sleeve ring 21, a centrifugal force is provided for the adsorbing ring 26 to adsorb impurities, so as to conveniently clean large-particle impurities and prevent the filter disc 25 from being blocked by the large-particle impurities in the using process;

during operation, the driving grooves on the driving rod 20 and the driving rod 20 are matched with the driving block on the connecting sleeve ring 21, and in the ascending process of the connecting sleeve ring 21, the driving block is in spiral contact with the driving grooves, so that the rotating driving in the upward moving process of the connecting sleeve ring 21 is realized, the rotation of the connecting sleeve ring 21 is utilized, particle impurities on the filter disc 25 are blocked, and the particle impurities are driven to be separated from the filter disc 25 under the action of centrifugal force, contact with the adsorption ring 26 and finally adsorbed on the adsorption ring 26.

Through the arrangement of the connecting lantern ring 21, the filter disc 25 and the adsorption ring 26, after filtered water enters the water storage pipe 10 through the water delivery pipe 4, the water enters the cavity between the connecting lantern ring 21 and the inner bottom of the water storage pipe 10 from the upper part of the blocking valve 24, the connecting lantern ring 21 is lifted up due to buoyancy, at the moment, the water pressure entering the blocking valve 24 is larger than the water flow flowing out from the filter disc 25, the water is pressed out from the filter disc 25, the filtering process is realized, and large-particle impurities are filtered and blocked below the filter disc 25.

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

1. The utility model provides a reverse osmosis filter core, includes water pipe (1), its characterized in that, the lower terminal surface fixedly connected with connector (2) that a plurality of equidistant settings of water pipe (1), the lower terminal surface fixedly connected with of connector (2) rotates screwed pipe (3), threaded connection has filter core pipe (5) on the lateral wall of rotating screwed pipe (3), the inside wall fixedly connected with go-between (11) of filter core pipe (5), the inside wall fixedly connected with screwed pipe (12) of go-between (11), be provided with outer filter core (6) in filter core pipe (5), the lower terminal surface fixedly connected with aqua storage pipe (10) of outer filter core (6), external screw thread (13) have been seted up on the lateral wall of aqua storage pipe (10), screwed pipe (12) threaded connection external screw thread (13), be provided with raceway (4) in water pipe (1), the water delivery pipe (4) penetrates through the outer filter element (6) and extends into the water storage pipe (10), a plurality of adsorption blocks (7) are fixedly connected on the side wall of the outer filter element (6) along the circumferential direction, an inner filter element (16) is fixedly connected in the outer filter element (6), the inner filter element (16) is sleeved on the side wall of the water pipe (4), the side wall of the outer filter element (6) is provided with a cleaning mechanism for cleaning residual impurities on the side walls of the outer filter element (6) and the filter element pipe (5), the inner bottom of the water storage pipe (10) is fixedly connected with a driving rod (20), the side wall of the driving rod (20) is sleeved with a connecting lantern ring (21), the side wall of the connecting lantern ring (21) is provided with a blocking mechanism for filtering large-particle impurities, and an adsorption mechanism for assisting the blocking mechanism to adsorb large-particle impurities is arranged in the water storage pipe (10).

2. A reverse osmosis filter element according to claim 1, wherein the cleaning mechanism comprises two cleaning rings (8) sleeved on the outer side wall of the outer filter element (6), the side wall of the cleaning ring (8) is fixedly connected with two pressure rings (17), through grooves are formed in the two pressure rings (17), a bottom filter screen (15) is fixedly connected in the through groove below, two matched pressure valves (23) are fixedly connected in the through groove above, a plurality of extrusion blocks (14) are fixedly connected to the inner side wall of the cleaning ring (8) in the circumferential direction, and the extrusion blocks (14) are arranged between the two adsorption blocks (7).

3. A reverse osmosis filter element according to claim 2, wherein a plurality of circumferentially arranged limiting rods (9) are fixedly connected to the side wall of the connection ring (11) in a penetrating manner, two cleaning rings (8) are slidably connected to the plurality of limiting rods (9) in a penetrating manner, and a plurality of circumferentially arranged return springs are elastically connected to the cleaning rings (8) and the connection ring (11) and sleeved on the limiting rods (9).

4. A reverse osmosis filter element according to claim 3, wherein the blocking mechanism comprises a plurality of circumferentially arranged filter sheets (25) fixedly connected to the side wall of the connection collar (21), an adsorption ring (26) is fixedly connected to the outer end of the plurality of filter sheets (25), a contact ring (22) is fixedly connected to the side wall of the adsorption ring (26), a plurality of circumferentially arranged blocking valves (24) are fixedly connected to the opposite side walls of the connection collar (21) and the adsorption ring (26), and the filter sheets (25) are arranged above the blocking valves (24).

5. A reverse osmosis filter element according to claim 4, wherein the adsorption mechanism comprises two symmetrically arranged attaching grooves (18) formed in the inner wall of the water storage pipe (10), a magnetic block (19) is fixedly connected in the attaching grooves (18), a placing cavity (27) is formed in the contact ring (22), a plurality of strands of coils (28) arranged at equal intervals are wound in the placing cavity (27), and the coils (28) are electrically connected with the adsorption ring (26).

6. A reverse osmosis filter element according to claim 5, wherein the side wall of the driving rod (20) is provided with a plurality of spirally arranged driving grooves, the inner side wall of the connecting sleeve ring (21) is fixedly connected with two symmetrically arranged driving blocks, and the driving blocks are slidably connected in the driving grooves.

7. A reverse osmosis water purifier comprising a reverse osmosis filter element according to any one of claims 1 to 6.