CN213803151U

CN213803151U - Sectional type RO membrane composite filter element

Info

Publication number: CN213803151U
Application number: CN202021882646.4U
Authority: CN
Inventors: 璧典寒; 赵亮
Original assignee: Xuzhou Yuexin Environmental Protection Technology Co ltd
Current assignee: Xuzhou Yuexin Environmental Protection Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-07-27
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a sectional type RO membrane composite filter element, including the filter flask, the inside of filter flask is equipped with the upper end cover, connects lid and lower extreme cover, and upper end cover and connection are equipped with the cotton inner core of PP between the lid, and the inside packing of the cotton inner core of PP has the activated carbon layer, connects to be equipped with the hollow tube between lid and the lower extreme cover, has two RO membranes with the fixed winding of spiral form on the hollow tube, and the lower extreme of heart pipe is pegged graft in the inside of outlet pipe, the utility model discloses a form of butt joint is installed in the inside of same filter flask more than the cotton inner core of PP and the RO membrane winding post, greatly increased the flowing water clearance between the cotton inner core of PP and the RO membrane, make water can be quick flow through from the device then, guaranteed that the water capacity after filtering is sufficient.

Description

Sectional type RO membrane composite filter element

Technical Field

The utility model relates to a water purification filter core technical field specifically is a sectional type RO membrane composite filter core.

Background

When drinking water is filtered, the drinking water can be normally drunk by people after multi-stage filtration (composite filtration) is generally needed, at present, activated carbon, PP cotton and RO membranes are generally connected in series on a water pipeline to solve the problem of comprehensive filtration of impurities in the water, and the common activated carbon, PP cotton and RO membrane composite filtration is generally characterized in that a plurality of filter flasks respectively containing the activated carbon, PP cotton and RO membranes are connected in series on the water pipeline to filter the water pipeline layer by layer, so that the water can be well filtered, but because the number of the filter flasks is large, the installation space of the composite filtration is increased, and the composite degree is low; also there is the inside of concentrating on a filter flask with active carbon, PP cotton and RO membrane now, has solved the aforesaid when synthesizing filtration quality of water occupy installation space's problem, but the inside flowing water clearance of filter flask of current multi-stage filtration is less, can't guarantee sufficient water yield to because the RO membrane filters for taking the pressure to filter, parallel mode places the utilization ratio reduction that can lead to the PP cotton of bottom position, active carbon or other filter media, therefore we have proposed a sectional type RO membrane composite filter core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sectional type RO membrane composite filter element to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sectional RO membrane composite filter element comprises a filter flask, the filter flask comprises a flask body and a flask cover, the flask cover is arranged at the upper port part of the flask body, a first water inlet pipe is arranged on the side wall of the bottle cap, a water outlet pipe and a waste water pipe are arranged on the filter flask, an upper end cover, a connecting cover and a lower end cover are arranged inside the filter bottle, a PP cotton inner core is arranged between the upper end cover and the connecting cover, an activated carbon layer is filled in the PP cotton inner core, a hollow pipe is arranged between the connecting cover and the lower end cover, two RO membranes are fixedly wound on the hollow tube in a spiral mode, the other side edges of the two RO membranes except the side edge connected with the connecting cover are sealed to realize that water flow is filtered from the side walls of the two RO membranes to the interior of the interlayers of the two RO membranes, the interlayers of the two RO membranes are communicated with the hollow tube, the lower end of the hollow pipe is inserted in the water outlet pipe, and the PP cotton inner core and the RO membrane are arranged in the space in an up-and-down mode.

Preferably, the outer side wall of the connecting cover is in interference fit with the inner side wall of the bottle body, and a sealing ring for intercepting the flow of water flow is arranged on the inner side wall of the lower end cover and the inner side wall of the bottle body.

Preferably, a net rack for preventing adjacent two layers of RO membranes from being tightly attached is arranged between interlayers of the RO membranes.

Preferably, the side wall of one end of the hollow pipe close to the water outlet pipe is provided with an annular groove, and an O-shaped ring for sealing the connection position of the connecting cover and the water outlet pipe is sleeved in the annular groove.

Preferably, the junction of bottle lid and body is equipped with the rubber pad, a plurality of fixture blocks of fixedly connected with on the lateral wall all around of bottle lid, just it has a plurality of latch mechanisms to open on the inside wall of body, and every latch mechanism is including erecting groove, lug and draw-in groove, the movable joint of fixture block is used for realizing fixing the bottle lid at the upper port portion of body in the inside of draw-in groove.

Preferably, be equipped with the booster pump on the bottle lid, the booster pump includes the pump body, piston, presses depression bar and second inlet tube, piston sliding connection is in the inside of the pump body, it slides to press the depression bar drive piston, the second inlet tube is opened on the lateral wall of the pump body, the second inlet tube all is equipped with the valve that is used for making water one-way flow with the inside of first inlet tube.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model comprehensively filters the water flowing into the filter flask through the PP cotton inner core, the activated carbon layer and the RO membrane, improves the filtering precision and the cleanliness of the filtered water, and the PP cotton inner core, the activated carbon layer and the RO membrane are arranged in the same filter flask, reduces the volume of composite filtration and saves the installation space of the device; simultaneously the cotton inner core of PP and the form of butt joint from top to bottom of RO membrane winding post are installed in the inside of same filter flask, greatly increased the flowing water clearance between cotton inner core of PP and the RO membrane, make water flow through in the device that then can be quick, guaranteed that the water capacity after the filtration is sufficient to adopt the overall arrangement of sectional type about the space to compare parallel placement can make full use of the cotton inner core of PP, the filtering action of active carbon layer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the water flow direction of the present invention;

FIG. 3 is a cross-sectional view of the water outlet pipe, the waste pipe, the hollow pipe and the insertion groove of the present invention;

fig. 4 is a cross-sectional view of the bottle body, the upper end cap, the PP cotton inner core and the activated carbon layer;

fig. 5 is a cross-sectional view of the PP cotton core, the activated carbon layer, the connecting cover and the RO membrane of the present invention;

FIG. 6 is an exploded view of the bottle cap, the bottle body, the latch mechanism, the rubber pad and the fixture block of the present invention;

fig. 7 is a schematic structural view of the bottle cap and the clamping mechanism of the present invention;

FIG. 8 is a cross-sectional view of the bottle cap, the booster pump and the bottle body of the present invention;

fig. 9 is an enlarged view of fig. 8 at a;

FIG. 10 is an exploded view of the O-ring, ring groove and hollow tube of the present invention;

FIG. 11 is an exploded view of the hollow tube, RO membrane and net rack of the present invention;

fig. 12 is a cross-sectional view of the hollow tube and the RO membrane of the present invention.

In the figure: 1. the water purifier comprises a filter flask, 101, a flask body, 102, a bottle cap, 2, a first water inlet pipe, 3, a water outlet pipe, 4, a waste water pipe, 5, an upper end cap, 6, a connecting cap, 7, a lower end cap, 8, a PP cotton inner core, 9, an activated carbon layer, 10, a hollow pipe, 11, an RO membrane, 12, a sealing ring, 13, a net rack, 14, a ring groove, 15, an O-shaped ring, 16, a clamping block, 17, a clamping mechanism, 1701, a vertical groove, 1702, a bump, 1703, a clamping groove, 18, a rubber pad, 19, a booster pump, 1901, a pump body, 1902, a piston, 1903, a pressing rod, 1904, a second water inlet pipe, 20, a valve, 2001, a sliding rod, 2002, a spring, 2003, a gasket, 2004 and a drain hole.

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. 1-12, the present invention provides a technical solution: a sectional type RO membrane composite filter element comprises a filter bottle 1, wherein the filter bottle 1 comprises a bottle body 101 and a bottle cap 102, the bottle cap 102 is arranged at the upper end opening of the bottle body 101, a first water inlet pipe 2 is arranged on the side wall of the bottle cap 102, a water outlet pipe 3 and a waste water pipe 4 are arranged on the filter bottle 1, an upper end cover 5, a connecting cover 6 and a lower end cover 7 are arranged inside the filter bottle 1, a PP cotton inner core 8 is arranged between the upper end cover 5 and the connecting cover 6, as shown in figure 4, the upper end cover 5 seals the upper end of the PP cotton inner core 8, so that water entering the filter bottle 1 is prevented from directly entering the filter bottle 1 from the upper end of the PP cotton inner core 8 without being filtered by the PP cotton inner core 8, an active carbon layer 9 is filled inside the PP cotton inner core 8, the active carbon layer 9 is composed of carbon particles wrapped by two layers of PP cotton inner cores 8, the PP cotton inner core 8 plays a role of fixing the active carbon layer 9 while filtering water quality, like this two-layer PP cotton inner core 8 and one deck activated carbon layer 9 form the three-layer filtration to quality of water, and the filter fineness is higher to adsorb the filtration more thoroughly to the great pollutant of aquatic volume, be equipped with hollow tube 10 between connection lid 6 and the lower end cover 7, fixedly twine two RO membranes 11 with spiral form on the hollow tube 10, RO membrane 11 plays the impurity that filters the diameter less, and all other sides except the side of being connected with connection lid 6 of two RO membranes 11 all seal the processing and realize rivers and filter to the inside then get into hollow tube 10 of the intermediate layer of two RO membranes 11 from two RO membrane 11 lateral walls, and the intermediate layer and the hollow tube 10 of two RO membranes 11 communicate each other, as shown in figure 12, the intermediate layer and the hollow tube 10 of two RO membranes 11 communicate each other, when RO membrane 11 carries out the filtration to water, the water that flows into two RO membrane 11 intermediate layers from the aperture of RO membrane 11 can flow to the inside of hollow tube 10, the lower end of the hollow pipe 10 is inserted into the water outlet pipe 3, as shown in fig. 2, the PP cotton inner core 8 and the RO membrane 11 are arranged up and down in space, and the water inlet direction of the RO membrane 11 is above, so that the arrangement can fully utilize the filtering area of the PP cotton inner core 8, and the filtering efficiency of the filtering material at the bottom is prevented from being reduced.

Specifically, the outside wall of the connection cover 6 is in interference fit with the inside wall of the bottle body 101, as shown in fig. 2, water flowing into the filter flask 1 from the first water inlet pipe 2 is located between the inside wall of the bottle body 101 and the outside wall of the PP cotton inner core 8, because the connection cover 6 is in interference fit with the bottle body 101, water cannot flow through the gap between the connection cover 6 and the bottle body 101 at this time, and then water can only flow through the PP cotton inner core 8 and the activated carbon layer 9, it is ensured that water entering the filter flask 1 is filtered by the PP cotton inner core 8 and the activated carbon layer 9, the sealing ring 12 for intercepting the flow of water is arranged on the inside walls of the lower end cover 7 and the bottle body 101, so that the water entering the filter flask 1 is prevented from flowing between the lower end cover 7 and the bottle body 102, and it is ensured that the water entering the filter flask 1 is filtered by the RO membrane 11.

In order to avoid influencing the water flow after the two adjacent layers of RO membranes 11 are tightly attached, particularly, be equipped with the rack 13 that is used for preventing the two adjacent layers of RO membranes 11 from tightly attaching between the intermediate layer of RO membranes 11, as shown in fig. 11, RO membranes 11 are in the winding process, and rack 13 presss from both sides between two RO membranes 11, plays the effect of strutting two adjacent layers of RO membranes 11 to guarantee that there is comparatively sufficient water flow clearance between two adjacent layers of RO membranes 11, impel the normal flow of rivers.

In order to seal the joint of the hollow pipe 10 and the water outlet pipe 3, specifically, an annular groove 14 is formed in the side wall of one end, close to the water outlet pipe 3, of the hollow pipe 10, and an O-ring 15 for sealing the joint of the connecting cover 6 and the water outlet pipe 3 is sleeved inside the annular groove 14, as shown in fig. 10, after the hollow pipe 10 is inserted into the water outlet pipe 3, the O-ring 15 is located between the hollow pipe 10 and the side wall of the water outlet pipe 3, and after the O-ring 15 is extruded, the side wall of the O-ring 15 can be tightly attached to the side walls of the hollow pipe 10 and the water outlet pipe 3, so that the joint of the hollow pipe 10 and the water outlet pipe 3 is sealed; in addition, in order to prevent the inside of the hollow tube 10 from being permeated with unfiltered water and ensure the cleanness of the water inside the hollow tube 10, one end of the hollow tube 10 far away from the water outlet pipe 3 is in a closed state.

In order to rapidly open and close the bottle cap 102, specifically, a rubber pad 18 is arranged at the joint of the bottle cap 102 and the bottle body 101, a plurality of clamping blocks 16 are fixedly connected to the peripheral side wall of the bottle cap 102, the clamping blocks 16 are formed by integral injection molding with the processing technology of the bottle cap 102, the plurality of clamping blocks 16 are arranged around the bottle cap 102 in a circumferential array, a plurality of clamping mechanisms 17 are arranged on the inner side wall of the bottle body 101, each clamping mechanism 17 comprises a vertical groove 1701, a protruding block 1702 and a clamping groove 1703, the clamping blocks 16 are movably clamped inside the clamping grooves 1703 to fix the bottle cap 102 at the upper end opening part of the bottle body 101, as shown in fig. 6-7, when the bottle cap 102 is closed, the bottle cap 102 is buckled at the upper end opening part of the bottle body 101, the clamping blocks 16 correspondingly slide into the vertical grooves 1701, then the bottle cap 102 is rotated, the clamping blocks 16 pass over the protruding blocks 1702 and slide into the clamping grooves 1703, then, the bottle cap 102 is closed, when the bottle cap 102 is covered on the bottle body 101, the rubber pad 18 is extruded by the bottle cap 102 and the bottle body 101 to generate certain deformation, the deformation of the rubber pad 18 enables the bottle cap 102 to rebound upwards, so that the clamping block 16 is clamped in the clamping groove 1703 stably, when the bottle cap 102 is opened, the bottle cap 102 is rotated reversely, the clamping block 16 slides out of the clamping groove 1703 and slides to the vertical groove 1701, and at the moment, the bottle cap 102 can be opened;

alternatively, the cap 102 may be connected to the upper end of the body 101 by screw engagement.

In order to enable the device to drain and filter water even when the external pipeline has no water pressure, specifically, a booster pump 19 is disposed on the bottle cap 102 (as shown in fig. 8, the booster pump 19 may be screwed on the bottle cap 102), the booster pump 19 includes a pump body 1901, a piston 1902, a pressing rod 1903 and a second water inlet pipe 1904, the piston 1902 is slidably connected inside the pump body 1901, as shown in fig. 8, a side wall of the piston 1902 is tightly connected with a side wall of the pump body 1901 (may be sealed by a rubber ring), when the piston 1902 slides upwards, an inner cavity of the pump body 1901 located below the piston 1902 sucks water inwards, when the piston 1902 slides downwards, the piston 1902 presses out water from the inner cavity of the pump body 1901, the pressing rod 1903 drives the piston 1902 to slide, the pressing rod 1903 is fixedly connected with the piston 1902, and an upper end of the pressing rod 1903 penetrates through the side wall of the pump body 190, the second water inlet pipe 1904 is opened on the side wall of the pump body 1901, the second water inlet pipe 1904 and the first water inlet pipe 2 are both provided with a valve 20 for making water flow in one direction, as shown in fig. 8-9, the valve 20 comprises a slide rod 2001, a spring 2002, a gasket 2003 and a water flowing hole 2004, taking the first water inlet pipe 2 as an example, as shown in fig. 9, the slide rod 2001 is slidably connected inside the first water inlet pipe 2 through the spring 2002, the gasket 2003 is fixed at the lower end of the slide rod 2001, the water flowing hole 2004 is opened on the side wall of the first water inlet pipe 2, the gasket 2003 performs one-way sealing on the water flowing hole 2004, and the form of the valve 20 installed on the second water inlet pipe 1904 is the same as the form of the valve 20 installed on the first water inlet pipe 2;

when the pressing rod 1903 is pulled to slide the piston 1902 upwards, the pump body 1901 is in a water-absorbing state, at this time, the gasket 2003 inside the first water inlet pipe 2 blocks the water flowing hole 2004 opened on the side wall of the first water inlet pipe 2, so that the inner cavity of the pump body 1901 is isolated from the inner cavity of the filter flask 1, and at the same time, the slide rod 2001 inside the second water inlet pipe 1904 overcomes the elastic force of the spring 2002 to drive the gasket 2003 to slide, so that the water flowing hole 2004 on the side wall of the second water inlet pipe 1904 is opened, and the operation of injecting water into the pump body 1901 by the second water inlet pipe 1904 is realized;

when the pressing rod 1903 is pressed to slide the piston 1902 downward, the gasket 2003 inside the second water inlet tube 1904 blocks the water flowing hole 2004 opened on the side wall of the second water inlet tube 1904 at this time, so that the second water inlet tube 1904 is blocked, and at the same time, the slide rod 2001 inside the first water inlet tube 2 slides with the gasket 2003 against the elastic force of the spring 2002 by the hydraulic pressure inside the pump body 1901, so that the water flowing hole 2004 on the side wall of the first water inlet tube 2 is opened, and the water inside the pump body 1901 is pressed into the filter flask 1 from the inside of the first water inlet tube 2;

in conclusion, along with the continuous pulling and pressing of the pressing rod 1903, a water source is enabled to continuously enter the filter bottle 1, water entering the filter bottle 1 is filtered and then flows out of the water outlet pipe 3 (wastewater flows out of the wastewater pipe 4), then under the state of no water pressure, the effects of drainage and normal filtration are achieved, the booster pump 19 is additionally arranged, the device can be applied to the situation that the external pipeline has no water pressure (the external pipeline connected with the second water inlet pipe 1904), for example, the device is carried in field travel, and the second water inlet pipe 1904 is connected with river water through the external pipeline so as to enable a passenger to normally drink water.

The working principle is as follows: during the use, the outside pipeline pours into the service water of treating filteration into the inside of filter flask 1 through first inlet tube 2, the service water can be in the space between the inside wall of filter flask 1 and the outer wall of the cotton inner core of PP 8 after getting into filter flask 1, the service water of treating filteration passes from the lateral wall of the cotton inner core of PP 8 and activated carbon layer 9 and reaches in the inner circle space of the cotton inner core of PP 8, the cotton inner core of PP 8 and activated carbon layer 9 filter the impurity that the internal volume of service water is great in this process, then the water that is in the cotton inner circle space of the inner core of PP 8 can flow downwards and flow into the inside of RO membrane 11, RO membrane 11 can filter water this moment, water in two RO membrane 11 interlayers flows out through hollow tube 10 and outlet pipe 3, for people's normal use, the waste water that RO membrane 11 filtered out can flow to waste pipe 4 from the lower extreme of RO membrane 11, and arrange to the outside from waste pipe 4.

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 sectional type RO membrane composite filter core, includes filter flask (1), filter flask (1) is including body (101) and bottle lid (102), bottle lid (102) set up the upper end oral area at body (101), its characterized in that: the water filter comprises a bottle cap (102), a water outlet pipe (3) and a waste water pipe (4) are arranged on the side wall of the bottle cap (102), an upper end cover (5), a connecting cover (6) and a lower end cover (7) are arranged in the filter bottle (1), a PP cotton inner core (8) is arranged between the upper end cover (5) and the connecting cover (6), an active carbon layer (9) is filled in the PP cotton inner core (8), a hollow pipe (10) is arranged between the connecting cover (6) and the lower end cover (7), two RO membranes (11) are fixedly wound on the hollow pipe (10) in a spiral mode, the other side edges of the two RO membranes (11) except the side edge connected with the connecting cover (6) are subjected to sealing treatment to realize that water flow is filtered from the side walls of the two RO membranes (11) to the interior of an interlayer of the two RO membranes (11), and the interlayers of the two RO membranes (11) are communicated with the hollow pipe (10), the lower end of the hollow pipe (10) is inserted in the water outlet pipe (3), and the PP cotton inner core (8) and the RO membrane (11) are arranged in the vertical direction in space.

2. The segmented RO membrane composite filter element according to claim 1, wherein: the outer side wall of the connecting cover (6) is in interference fit with the inner side wall of the bottle body (101), and a sealing ring (12) used for intercepting water flow is arranged on the inner side wall of the lower end cover (7) and the inner side wall of the bottle body (101).

3. The segmented RO membrane composite filter element according to claim 1, wherein: and a net rack (13) for preventing the adjacent two layers of RO membranes (11) from being tightly attached is arranged between the interlayers of the RO membranes (11).

4. The segmented RO membrane composite filter element according to claim 1, wherein: open on the one end lateral wall that hollow tube (10) are close to outlet pipe (3) has annular (14), the inside of annular (14) is cup jointed O type circle (15) that are used for sealing connection lid (6) and outlet pipe (3) junction.

5. The segmented RO membrane composite filter element according to claim 1, wherein: the bottle cap is characterized in that a rubber pad (18) is arranged at the joint of the bottle cap (102) and the bottle body (101), a plurality of clamping blocks (16) are fixedly connected to the peripheral side wall of the bottle cap (102), a plurality of clamping mechanisms (17) are arranged on the inner side wall of the bottle body (101), each clamping mechanism (17) comprises a vertical groove (1701), a convex block (1702) and a clamping groove (1703), and the clamping blocks (16) are movably clamped in the clamping grooves (1703) to fix the bottle cap (102) at the upper end opening of the bottle body (101).

6. The segmented RO membrane composite filter element according to claim 1, wherein: be equipped with booster pump (19) on bottle lid (102), booster pump (19) are including the pump body (1901), piston (1902), press depression bar (1903) and second inlet tube (1904), piston (1902) sliding connection is in the inside of the pump body (1901), press depression bar (1903) drive piston (1902) to slide, second inlet tube (1904) are opened on the lateral wall of the pump body (1901), second inlet tube (1904) all are equipped with valve (20) that are used for making water one-way flow with the inside of first inlet tube (2).