CN109796064B - Pressurizable telescopic ultrafiltration cup - Google Patents

Pressurizable telescopic ultrafiltration cup Download PDF

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Publication number
CN109796064B
CN109796064B CN201811653989.0A CN201811653989A CN109796064B CN 109796064 B CN109796064 B CN 109796064B CN 201811653989 A CN201811653989 A CN 201811653989A CN 109796064 B CN109796064 B CN 109796064B
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China
Prior art keywords
primary filter
filter box
water
ultrafiltration
movable sleeve
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CN201811653989.0A
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CN109796064A (en
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郑德谋
王一强
卢美凤
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Fujian Ospring Technology Development Co Ltd
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Fujian Ospring Technology Development Co Ltd
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Abstract

The invention relates to a pressurizable telescopic ultrafiltration cup, which comprises a base, an ultrafiltration unit, a primary filtration unit, a water purification pipe, a lower movable sleeve, an upper movable sleeve, a cylinder cover and a one-way valve, wherein the base is provided with a water inlet pipe and a water outlet pipe; the upper part of the base is provided with a fixed sleeve, a primary filter unit and an ultrafiltration unit are arranged in the inner cavity of the fixed sleeve, two filter element holes for placing ultrafiltration elements are arranged on a diameter connecting line in the inner cavity of a primary filter box of the primary filter unit, peripheral reinforcing ribs between the two filter element holes and the peripheral wall of the primary filter box are connected into a body, and the inner cavity of the primary filter box is divided into two small semi-cavities; a water purifying port on a filtering closing cover in the primary filtering unit is connected with one end of a water purifying pipe fitting, and the other end of the water purifying pipe fitting is connected with a water purifying outlet and penetrates through the cylinder cover; and the bayonet at the bottom of the cylinder cover is sleeved with the outer bayonet side of the upper large opening of the upper movable sleeve. The invention overcomes the defects of the prior art, adopts the structure to obtain raw water, purified water and back flush, has simple structure, labor-saving use and convenient carrying, and can be used for emergency survival in the field.

Description

Pressurizable telescopic ultrafiltration cup
Technical Field
The invention belongs to the technical field of portable water purifying equipment, and particularly relates to a pressurizable telescopic ultrafiltration cup.
Background
The portable outdoor water purifier is also called as an outdoor water purifier, can directly filter fresh water containing harmful bacteria, impurities and peculiar smell such as outdoor river water, stream water, spring water and the like into direct drinking water, can be used when people go out or meet emergency and disaster relief due to the characteristics of lightness and portability, and is highly popular. However, for special group activities, such as field work, outdoor travel, exploration riding, emergency rescue and relief work, the existing water purifier still cannot meet the use requirements, the pressurization modes of some outdoor water purifiers such as cup type, bottle type and pump type are laborious and inconvenient to apply force, some filter elements of the purifier have no back flushing function, when the filter elements are used for a long time, impurities remain in the filter elements, the water purifying effect is poor, the water outlet power of some outdoor water purifiers is insufficient or the direction of a water purifying outlet is not suitable, and the outdoor water purifiers are difficult to be used by others in emergency.
As disclosed in the prior art, such as U.S. patents: US7575678B2 "a portable water purification device", and chinese patents: zl201010191934.x "a water purifier convenient to carry and use", there are still deficiencies in that a relatively complex exhaust unit is designed, the difficulty of patenting production is increased, and meanwhile, the functions of pressurization and back flushing are lacked, so that the inconvenience is brought to the user in the field in use.
Disclosure of Invention
In order to solve the problems of inconvenient carrying, labor-consuming pressurization operation, difficult raw water acquisition, no backwashing function and the like of the outdoor water purifier in the prior art, the invention aims to provide the pressurized telescopic ultrafiltration cup, which solves the problem of inconvenient carrying of the traditional water purifier, can be simply pressurized to supply water, is particularly suitable for supplying old people, children, even wounded persons and the like which cannot absorb water by themselves, is convenient to acquire raw water, can be backwashed when necessary, and prolongs the service efficiency and the service life of the water purifier.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pressurized telescopic ultrafiltration cup comprises a base, an ultrafiltration unit, a primary filtration unit, a water purification pipe, a lower movable sleeve, an upper movable sleeve, a cylinder cover and a one-way valve; the lower part of the base is provided with a cavity chamber, the upper part of the base is provided with a fixed sleeve which is an inverted circular frustum, a primary filter unit and an ultrafiltration unit are arranged in the inner cavity of the fixed sleeve, two filter element holes for placing ultrafiltration elements are arranged on a diameter connecting line in the inner cavity of a primary filter box of the primary filter unit, a middle reinforcing rib between the two holes and a peripheral reinforcing rib between the two holes and the circular peripheral wall of the primary filter box are connected into a whole, and the inner cavity of the primary filter box is divided into two small half cavities; the upper part of the primary filter box is correspondingly connected with a primary filter cover, a water purifying port on the primary filter cover is connected with one end of a water purifying pipe fitting, and the other end of the water purifying pipe fitting is connected with a water purifying outlet and penetrates through the cylinder cover; and the bayonet at the bottom of the cylinder cover is sleeved with the outer bayonet side of the upper large opening of the upper movable sleeve.
Preferably, a spare hose is placed in the cavity chamber of the base and is connected and sealed by using the base bottom cover, so that the space of the base can be fully utilized, the stability of the cup body can be ensured, and the spare hose can be used for assisting in pressurizing and supplying drinking water for others when necessary; the center of the middle part of the base is in a groove shape, so that the ultrafiltration core can smoothly turn, and the effective use length of the ultrafiltration core is prolonged; the periphery of the groove is provided with a groove ring capable of accommodating the small opening of the movable sleeve, so that the small openings of the upper movable sleeve and the lower movable sleeve can be placed when the cup body is accommodated, and the cup body cannot shake.
Preferably, when the cup body extends, the external thread of the large opening of the fixed sleeve is in threaded connection with the internal thread of the small opening of the lower movable sleeve in the inverted cone table; the external thread of the lower large opening of the lower movable sleeve is in threaded connection with the internal thread of the upper small opening of the movable sleeve on the inverted cone table; when the cup body contracts, the lower large-opening internal thread on the upper part of the lower movable sleeve is in threaded connection with the upper large-opening external thread on the upper part of the fixed sleeve on the base, and the upper large-opening internal thread on the upper part of the upper movable sleeve is in threaded connection with the lower large-opening external thread on the upper part of the lower movable sleeve; the upper movable sleeve and the lower movable sleeve are made of soft materials. The structural design and the selection of materials are favorable for firm connection and water containing without leakage when the cup body extends, and can bear left and right extrusion (also can extrude upwards) so as to cooperate with the downward pressing of the semi-spherical barrel cover to jointly generate the effect of pressurizing the water body in the cup.
Preferably, the primary filter unit comprises a primary filter material and a primary filter device, the primary filter material is placed in an inner cavity of the primary filter device, the whole primary filter unit is arranged on the upper part of the fixed sleeve, and the limited space of the fixed sleeve is utilized to the maximum extent.
Preferably, the primary filter device comprises a filter box cover, a stainless steel microporous sheet, a stainless steel screw, a silica gel gasket and a primary filter box; the central position on the filter box cover is provided with a purified water outlet connected with a hose, 4 screw holes are uniformly distributed on the outer circumference of the upper surface of the filter box cover, two small raw water inlets are arranged at the symmetrical positions beside the holes, stainless steel micro-porous sheets are covered on the small raw water inlets, and a triangular boss which is 1-3mm higher than the plane of the filter box cover is arranged on the circumference of the holes.
Preferably, a turning platform is arranged at the middle position of a small half cavity in the inner cavity of the primary filter box, and a filtered water outlet is respectively arranged at the symmetrical position of each small half cavity; screw holes corresponding to the filter box cover are arranged on the reinforcing rib surface between the two filter element holes and the circular peripheral wall of the primary filter box, screw holes corresponding to the filter box cover are arranged on the turning platform, and most end surfaces of the two filter element holes, the circular upper surface of the primary filter box, the reinforcing rib and the turning platform are a uniform-plane; the local sinking surfaces of the two filter element holes and the middle reinforcing rib connected with the two filter element holes are 2-3mm lower than the surfaces of the two filter element holes, so that two strands of purified water in the two filter element holes are converged and then are sucked up through the purified water outlet opposite to the filter box cover.
Preferably, the filter box cover corresponds to and is fixedly connected with the primary filter box through 4 stainless steel screws, stainless steel microporous sheets, silica gel gaskets and the primary filter box to form a cavity-divided double-return-to-earth water inlet primary filter device, the whole filter box is in a reverse circular frustum shape with a large upper part and a small lower part, the taper of the primary filter device is equal to that of the fixed sleeve, so that the primary filter device is tightly matched with the fixed sleeve, raw water is prevented from leaking from gaps, only the raw water flows in from two small raw water inlets on the filter box cover, and then flows down from two filter water outlets.
The triangular boss on the filter box cover of the primary filter device is used as an indication of the water inlet direction when the cup body at the opening takes water or pours water; the application principle is as follows: raw water enters or is poured into one side, provided with a triangle, of a filter box cover in an inclined cup body, flows through a small half cavity in a primary filter box from a small raw water inlet, then flows into a cavity at the lower part of a fixed sleeve through a filtered water outlet, then the cup body is gradually leveled, the raw water continuously flows into the other small half cavity at the other opposite side of the triangle, the process can be shaken leftwards and rightwards, a water-raw water inlet enters, air flows out from the other filtered water outlet, and then is extruded out through the other-raw water inlet, and the purpose of the water-raw water-filtering-type water-filtering-box is achieved by the water-filtering-box cover.
Preferably, the two small semi-cavities are filled with a primary filter material, granular coconut shell activated carbon wrapped by non-woven fabrics is placed above the water filtering outlet, and PP cotton wrapped by non-woven fabrics is placed in the rest part of the cavities.
Preferably, 2 ultrafiltration cores are sleeved on the filter core hole, each ultrafiltration core consists of an ultrafiltration pipe, a white fiber net and a hollow fiber ultrafiltration membrane, the hollow fiber ultrafiltration membrane is glued in the inner cavity of the ultrafiltration pipe, a sealing ring is sleeved on the outer circumference of the upper end of the ultrafiltration pipe, and the white fiber net is glued at the tail end of the ultrafiltration pipe and wraps most of the hollow fiber ultrafiltration membrane.
Preferably, the cylinder cover is made of a silica gel material with a convex semicircular spherical surface; a bayonet at the bottom of the cylinder cover is sleeved with the periphery of an upper large opening of the upper movable sleeve; one side of the semi-spherical surface of the cylinder cover is provided with a cover upper opening for a water purifying nozzle pipe connected with a hose to pass through, a one-way valve is arranged beside the cover upper opening, and the other side of the semi-spherical surface of the cylinder cover is provided with a gas storage cavity which can bear the pressing of external force; meanwhile, the air storage cavity can enable the hose on the water purifying pipe to be contracted into a turning shape to be buried in the water purifying pipe when the cup body is stored.
Has the advantages that:
(1) the pressurized telescopic ultrafiltration cup has the advantages that the cavity of the cup body is large at the top and small at the bottom, if water is poured into the cup body too fast, air in the cavity below the primary filter box is difficult to discharge, so that the filtering effect of the ultrafiltration core is affected, the primary filter box for cavity-divided double-circuit water inflow is designed in the cup body, and most or all of the exhaust air can be achieved without affecting the filtering effect of the ultrafiltration core as long as the water pouring is performed by inclining, slowly shaking and shaking at the initial stage of water pouring;
(2) the pressurization telescopic ultrafiltration cup can realize pressurization of the cup only by pressing the semi-spherical barrel cover and extruding the movable sleeve, is labor-saving in operation and convenient to use, and expands the use population and emergency opportunities besides self-use; the pressurizing device has simple structure and reduces the production cost;
(3) the pressurized telescopic ultrafiltration cup disclosed by the invention adopts purified water made of a hydrophilic low-pressure ultrafiltration material, and can be drunk by a user for emergency survival;
(4) after the pressurized telescopic ultrafiltration cup is stored, the whole volume is small, and the pressurized telescopic ultrafiltration cup is convenient to carry;
(5) the pressurized telescopic ultrafiltration cup has a larger cup opening, so that rainwater and the like can be easily and conveniently collected;
(6) the filter element of the pressurized telescopic ultrafiltration cup can realize back flushing, and the service life and the purification capacity of the filter element are improved.
Drawings
FIG. 1 is an elongated cross-sectional schematic view of a cup of the present invention;
FIG. 2 is a schematic top view A-A of the present invention;
FIG. 3 is a schematic top view of the invention from B-B;
FIG. 4 is a schematic cross-sectional view of the middle of the cup of the present invention;
FIG. 5 is a schematic cross-sectional view of the stowed condition of the present invention;
FIG. 6 is a schematic cross-sectional view of the pressurized water supply of the present invention;
FIG. 7 is a schematic top view of the present invention;
FIG. 8 is a schematic illustration of ultrafiltration core backwash of the present invention.
In the figure: 1. the device comprises a base, 10 parts of a fixed sleeve, 101 parts of a large-opening external thread of the fixed sleeve, 102 parts of a hollow chamber, 103 parts of a groove, 104 parts of a groove ring, 105 parts of a standby hose and 11 parts of a bottom cover; 12. an ultrafiltration unit, 121, an ultrafiltration tube, 122, a white fiber net, 123, a hollow fiber ultrafiltration membrane; 13. a primary filter unit, 130, a primary filter box, 130-E, 130-F, a small half cavity, 131-a, b, c, d, a screw hole, 132, a filter element hole, 133, a sinking surface, 134, a peripheral reinforcing rib, 135, a middle reinforcing rib, 136, a turning platform, 137, a filter water outlet, 14, a silica gel gasket, 15, a filter box cover, 151, A, B, C, D screw holes, 152, a boss, 153, a small raw water inlet, 154, a purified water outlet, 16, a screw and 17, a stainless steel microporous sheet;
2. a purified water pipe, 21, a hose, 22, a purified water outlet, 23, a cap plug;
3. a lower movable sleeve 301, a lower small-mouth internal thread 302, a lower big-mouth external thread 303, a lower big-mouth internal thread,
4. an upper movable sleeve 401, an upper small-mouth internal thread 402, an upper large-mouth external bayonet 403, an upper large-mouth internal thread,
5. the cylinder cover 51, a bayonet at the bottom of the cylinder cover 52, a gas storage cavity and 6, a one-way valve.
Detailed Description
As shown in fig. 1, 2, 3 and 6, a pressurized telescopic ultrafiltration cup comprises a base 1, an ultrafiltration unit 12, a primary filtration unit 13, a water purification pipe 2, a lower movable sleeve 3, an upper movable sleeve 4, a sleeve cover 5 and a one-way valve 6; the lower part of the base is provided with a cavity chamber 102, the upper part of the base is provided with a fixed sleeve 10 which is in an inverted circular frustum shape, the inner cavity of the fixed sleeve is provided with a primary filter unit 13 and an ultrafiltration unit 12, a diameter connecting line in the inner cavity of a primary filter box 130 of the primary filter unit 13 is provided with two filter element holes 132 for placing an ultrafiltration element, a middle reinforcing rib 135 between the two holes and a peripheral reinforcing rib 134 between the two holes and the circular peripheral wall of the primary filter box are connected into a whole, and the inner cavity of the primary filter box 130 is divided into two small half cavities 130-E and 130-F; the upper part of the primary filter box is correspondingly connected with a primary filter cover 15, a water purifying opening 154 on the primary filter cover 15 is connected with one end of a water purifying pipe fitting 2, and the other end of the water purifying pipe fitting is connected with a water purifying outlet 22 and penetrates through the cylinder cover 5; the bottom bayonet 51 of the cover is sleeved with the outer bayonet 402 of the upper large opening of the upper movable sleeve.
The hollow chamber 102 of the base 1 as described in fig. 1, 5, 6 is connected using the base bottom cover 11 and sealed with the spare hose 105; the center of the middle part of the base is provided with a groove 103, so that the ultrafiltration core can smoothly turn, and the effective use length of the ultrafiltration core is prolonged; a groove ring 104 capable of accommodating the small opening of the movable sleeve is arranged at the periphery of the groove, so that the small openings of the upper movable sleeve and the lower movable sleeve can be placed when the cup body is accommodated, and the cup body cannot move left and right; when the cup body is stored, the lower large-opening internal thread 303 at the upper part of the lower movable sleeve is in threaded connection with the large-opening external thread 101 of the fixed sleeve 10 on the base, and the large-opening internal thread 403 at the upper part of the upper movable sleeve is in threaded connection with the large-opening external thread 302 at the upper part of the lower movable sleeve, so that the cup body is integrally convenient to carry; when the cup body extends, the large-opening external thread 101 of the fixed sleeve 10 is in threaded connection with the small-opening internal thread 301 of the lower movable sleeve 3 in the shape of an inverted circular truncated cone; the lower large-mouth external thread 302 of the lower movable sleeve 3 is in threaded connection with the upper small-mouth internal thread 401 of the movable sleeve 4 which is also in the shape of an inverted circular truncated cone, and the design integrally realizes the working states of water containing, water purifying and pressurizing;
because the cup body is made of the low-pressure hydrophilic ultrafiltration membrane material, a user can drink water by self-suction forcibly, and pressurized water supply can be adopted as shown in the figures 1 and 6: the upper movable sleeve and the lower movable sleeve are made of soft materials, the materials are selected and matched with the structural design, so that the cup body is firm in connection when being stretched and can bear left and right extrusion (the upper extrusion can be realized, and the resilience of the sleeve cover is realized), the air storage cavity 52 on the semi-spherical sleeve cover which is sleeved with the movable sleeve can be matched and pressed downwards, and the water body in the cup can be pressurized under the support of the check valve 6 which is only used for air inlet but not used for air outlet on the sleeve cover.
As shown in fig. 1, the primary filter unit 13 comprises a primary filter material and a primary filter device, the primary filter material is placed in the inner cavity of the primary filter device, and the whole primary filter unit 13 is installed on the upper part of the fixing sleeve 10, so as to utilize the limited space of the fixing sleeve to the maximum extent.
Referring to fig. 2, fig. 3 and fig. 4, the prefiltering device comprises a filter box cover 15, a stainless steel microporous sheet 17, a stainless steel screw 16, a silica gel gasket 14 and a prefiltering box 130; the central position of the filter box cover 15 is provided with a purified water outlet 154 connected with the hose 21, as shown in figure 2, 4 screw holes 151-A, 151-B, 151-C and 151-D are uniformly distributed in the outer circumference of the upper surface of the filter box cover, wherein two small raw water inlets 153 are arranged at the symmetrical positions beside the screw holes 151-A and 151-C, stainless steel micro-porous sheets 17 are covered on the small raw water inlets, and bosses 152 which are triangular and are 1-3mm higher than the plane of the filter box cover are arranged at the peripheries of the holes 151-B and 151-D, as shown in figures 2 and 8. The triangular boss can be used as an indication of the water inlet direction when the cup body of the opening takes water or pours water.
As shown in fig. 3, two filter element holes 132 for placing the super filter element are arranged on the diameter connecting line in the inner cavity of the primary filter box 130, and a middle reinforcing rib 135 between the two holes and a peripheral reinforcing rib 134 between the two holes and the peripheral wall of the primary filter box are connected into a whole, and the inner cavity of the primary filter box 130 is divided into two small half-cavities 130-E and 130-F; a turning platform 136 is arranged at the middle position of the small half cavities 130-E and 130-F, and a water filtering outlet 137 is respectively arranged at the symmetrical position of each small half cavity; screw holes 131-a and 131-c corresponding to the filter box cover are arranged on the reinforcing rib 134 surface between the two filter element holes 132 and the circular peripheral wall of the primary filter box, screw holes 131-b and 131-d corresponding to the filter box cover are arranged on the turning platform 136, and most end surfaces of the two filter element holes, the circular surface of the primary filter box, the reinforcing rib and the turning platform are in a unified plane; the two filter element holes 132 and the connected middle reinforcing ribs 135 have the local sinking surface 133 which is 2-3mm lower than the surfaces of the two filter element holes, so that two strands of clean water in the two filter element holes are converged and are sucked up through the clean water outlet 154 opposite to the filter box cover.
The two small half cavities 130-E and 130-F are filled with primary filtering materials, granular coconut shell activated carbon wrapped by non-woven fabrics is placed above the water filtering outlet 137, and PP cotton wrapped by non-woven fabrics is placed in the rest part of the cavities.
When raw water or rainwater is loaded and taken, the working principle is shown in the figures 1, 2, 3 and 4: the triangular boss 152 on the filter box cover 15 of the primary filter device is used as an indication of the water inlet direction when the cup body of the primary filter device takes water or pours water; the application principle is as follows: raw water firstly enters or is poured into one side, provided with a triangle 152, of the filter box cover 15 in the cup body with the inclination of 40-50 degrees, the raw water flows through the small half cavity 130E or F in the primary filter box from the small raw water inlet 153, then flows into the cavity at the lower part of the fixed sleeve 10 through the filtered water outlet 137, then the cup body is gradually leveled, the raw water continuously flows into the other small half cavity 130F or E at the other opposite side of the triangle, the process can be shaken left and right, the water-raw water inlet 153 enters, air flows out from the other filtered water outlet 137 and is extruded out through the other-raw water inlet 153, and the purpose is to drive most or all of the air deposited at the lower part of the fixed sleeve 10.
The filter box cover 15 is corresponding to and fixedly connected with the stainless steel microporous sheet 17, the silica gel gasket 14 and the primary filter box 130 through 4 stainless steel screws 16 to form a primary filter device which is a whole with a big top and a small bottom and is an inverted frustum of a cone, the taper of the primary filter device is equal to that of the fixed sleeve 10, so that the primary filter device is tightly matched with the fixed sleeve, raw water is prevented from leaking from gaps, and only the raw water flows down from two small raw water inlets 153 on the filter box cover.
As shown in fig. 3, the filter element holes 132 are formed in the inner cavity of the primary filter box 130, 2 ultra filter elements are sleeved on the filter element holes 132, each ultra filter element is composed of an ultra filter tube 121, a white fiber net 122 and a hollow fiber ultra filter membrane 123, the ultra filter membrane has an ultra-hydrophilic gradient hole hollow fiber ultra filter membrane with the outer surface layer having a pore diameter of 0.01-2.0 μm, the ultra filter membrane is a polymer resin, and is selected from any one of polyvinylidene fluoride, polysulfone, polyether sulfone, polyvinyl chloride or polyacrylonitrile, so that the ultra filter membrane not only has ultra-high strength, ultra-hydrophilic, ultra-low pressure or zero membrane pressure ultra-high water flux performance, but also has particularly good anti-pollution performance, and can reach an initial water flux equivalent to more than 50% after the water treatment capacity is 5000L, and the technical performance of the hollow fiber ultra filter membrane can be referred to patent document ZL201410081610.9 in the university of zhejiang; the ultrafiltration membrane can remove bacteria, rust, colloid, organic matters and other impurities in water; the assembly form is external pressure type, so that the back washing from inside to outside is convenient; the hollow fiber ultrafiltration membrane is adhered to the inner cavity of the ultrafiltration tube, a sealing ring is sleeved on the outer circumference of the upper end of the ultrafiltration tube 121 and sleeved with the filter element hole 132, and the tail end of the ultrafiltration tube is adhered with a white fiber net 122 and wraps most of the hollow fiber ultrafiltration membrane 123.
Referring to fig. 2, 3, 4 and 8, when the ultrafiltration core is needed to be backwashed, the ultrafiltration unit 12 and the primary filtration unit 13 are operated together, the lower movable sleeve 301 is separated from the fixed sleeve 101, the clean water pipe 2 is separated from the clean water outlet 154 on the filter box cover, the clean water outlet 154 is lifted by hand, the ultrafiltration unit 12 and the primary filtration unit 13 are lifted out of the fixed sleeve 10 of the base 1, the end of the longer spare hose 12 is connected with the clean water outlet 154, clean water is led out from a clean water container arranged at the higher part of the other end of the spare hose, and the overpressure type ultrafiltration core can be backwashed by utilizing the water level differential pressure, and the process is as shown in fig. 8, so that the ultrafiltration core can work continuously.
As shown in fig. 1, 5 and 6, the cylinder cover 5 is made of a convex semi-spherical silica gel material; the bottom of the cylinder cover 5 is detachably sleeved with the periphery 402 of the upper large opening of the upper movable sleeve 4; a cover upper opening 53 for a water purifying nozzle 22 connected with a hose 21 to pass through is arranged on one side of the semi-spherical surface of the cylinder cover 5, a one-way valve 6 is arranged beside the cover upper opening, and a gas storage cavity 52 is arranged on the other side of the semi-spherical surface of the cylinder cover 5; meanwhile, when the cup body is stored, the hose on the water purifying pipe can be contracted to be in a turning shape to be buried in the air storage cavity, as shown in figure 7; when the cup body is extended and needs to be pressurized, the outer surface of the air storage cavity 52 can be pressed, the function of the one-way valve 6 which only can admit air but not exhaust air is exerted, and the function of pressurized water supply is realized under the extrusion fit of the movable sleeve.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the protection scope of the present invention, which has the same or similar technical solutions as the present invention.

Claims (9)

1.A pressurizable telescopic ultrafiltration cup is characterized in that: comprises a base (1), an ultrafiltration unit (12), a primary filtration unit (13), a water purification pipe fitting (2), a lower movable sleeve (3), an upper movable sleeve (4), a cylinder cover (5) and a one-way valve (6); the lower part of the base (1) is provided with a hollow chamber (102) for placing a spare hose (105), and the hollow chamber is connected and sealed by a base bottom cover (11); the center of the middle part of the base is in a groove (103) shape, and the periphery of the groove is provided with a groove ring (104) capable of accommodating small openings of the upper and lower movable sleeves; the upper part of the base is provided with a fixed sleeve (10) which is an inverted cone table, a primary filter unit (13) and an ultrafiltration unit (12) are arranged in the inner cavity of the fixed sleeve, two filter element holes (132) for placing ultrafiltration elements are arranged on a diameter connecting line in the inner cavity of a primary filter box (130) contained in the primary filter unit (13), a middle reinforcing rib (135) between the two filter element holes (132) and a peripheral reinforcing rib (134) between the two filter element holes and the circumferential wall of the primary filter box are connected into a whole, and the inner cavity of the primary filter box (130) is divided into two small half-cavities (130-E, 130-F); the upper part of the primary filter box is correspondingly connected with a filter box cover, a water purifying opening (154) on the filter box cover (15) is connected with one end of a water purifying pipe fitting (2), and the other end of the water purifying pipe fitting is connected with a water purifying outlet (22) and penetrates through the cylinder cover (5); and a bayonet (51) at the bottom of the cylinder cover is sleeved with an upper large-opening outer bayonet (402) of the upper movable sleeve.
2. A pressurizable telescoping bowl as defined in claim 1, wherein: when the cup body extends, the large-opening external thread (101) of the fixed sleeve (10) is in threaded connection with the lower small-opening internal thread (301) of the lower movable sleeve (3) in the shape of an inverted cone table; the lower large-mouth external thread (302) of the lower movable sleeve (3) is in threaded connection with the upper small-mouth internal thread (401) of the upper movable sleeve (4) which is also in the shape of an inverted cone frustum; when the cup body contracts, a lower large-opening internal thread (303) on the upper part of the lower movable sleeve is in threaded connection with a large-opening external thread (101) of a fixed sleeve (10) on the base, and an upper large-opening internal thread (403) on the upper part of the upper movable sleeve is in threaded connection with a lower large-opening external thread (302) on the upper part of the lower movable sleeve; the upper movable sleeve and the lower movable sleeve are made of soft materials.
3. A pressurizable telescoping bowl as defined in claim 1, wherein: the primary filter unit (13) comprises a primary filter material and a primary filter device, the primary filter material is placed in an inner cavity of the primary filter device, and the whole primary filter unit (13) is arranged on the upper part of the fixed sleeve (10).
4. A pressurizable telescoping bowl as claimed in claim 1 or 3, wherein: the primary filtering unit comprises a filter box cover (15), a stainless steel microporous sheet (17), a stainless steel screw (16), a silica gel gasket (14) and a primary filtering box (130); a water purifying port (154) connected with a hose (21) is arranged at the center of the filter box cover (15), 4 screw holes (151-A, 151-B, 151-C and 151-D) are uniformly distributed in the outer circumference of the upper surface of the filter box cover, two small raw water inlets (153) are arranged at symmetrical positions beside the screw holes (151-A) and the screw holes (151-C), stainless steel micro-porous sheets (17) are covered on the small raw water inlets, and triangular bosses (152) which are 1-3mm higher than the plane of the filter box cover are arranged at the peripheries of the screw holes (151-B) and the screw holes (151-D).
5. A pressurizable telescoping bowl as claimed in claim 1 or 3, wherein: a turning platform (136) is arranged at the middle position of small half cavities (130-E, 130-F) in the primary filter box (130), and a filtered water outlet (137) is respectively arranged at the symmetrical position of each small half cavity; screw holes (131-a, 131-c) corresponding to the filter box cover are arranged on the peripheral reinforcing rib (134) between the second filter element hole (132) and the circumferential wall of the primary filter box, screw holes (131-b, 131-d) corresponding to the filter box cover are arranged on the turning platform (136), and most end faces of the second filter element hole, the upper circular surface of the primary filter box, the middle reinforcing rib, the peripheral reinforcing rib and the turning platform are a uniform plane; the local sinking surface (133) of the two filter element holes (132) and the connected middle reinforcing ribs (135) is sunk 2-3mm lower than the surfaces of the two filter element holes so as to lead two strands of clean water of the two filter element holes to be converged.
6. A pressurizable telescoping bowl as claimed in claim 1 or 3, wherein: the filter box cover (15) on the primary filter box corresponds to and is fixedly connected with the stainless steel microporous sheet (17), the silica gel gasket (14) and the primary filter box (130) through 4 stainless steel screws (16), a primary filter device which is a whole with a large upper part and a small lower part and is an inverted cone table is formed, and the taper of the primary filter device is equal to that of the fixed sleeve (10).
7. A pressurizable telescoping bowl as defined in claim 1, wherein: the two small half cavities (130-E, 130-F) are filled with primary filter materials, granular coconut shell activated carbon wrapped by non-woven fabrics is arranged above the water filtering outlet (137), and PP cotton wrapped by non-woven fabrics is arranged in the rest cavity.
8. A pressurizable telescoping bowl as defined in claim 1, wherein: 2 the filter element holes (132) are respectively sleeved with 1 ultrafiltration element, each ultrafiltration element consists of an ultrafiltration tube, a white fiber net and a hollow fiber ultrafiltration membrane, the hollow fiber ultrafiltration membrane is glued in the inner cavity of the ultrafiltration tube, a sealing ring is sleeved on the outer circumference of the upper end of the ultrafiltration tube (121), and the white fiber net (122) is glued at the tail end of the ultrafiltration tube and wraps most of the hollow fiber ultrafiltration membrane (123).
9. A pressurizable telescoping bowl as defined in claim 1, wherein: the cylinder cover (5) is made of a silica gel material which is convex and is in a semicircular spherical surface; a bayonet (51) at the bottom of the cylinder cover (5) is sleeved with an outer bayonet (402) with an upper large opening of the upper movable sleeve (4); an upper cover opening (53) through which a purified water outlet (22) connected with a hose (21) passes is formed in one side of the semicircular spherical surface of the cylinder cover (5), a one-way valve (6) is arranged beside the upper cover opening, and a gas storage cavity (52) is formed in the other side of the semicircular spherical surface of the cylinder cover (5).
CN201811653989.0A 2019-04-10 2019-04-10 Pressurizable telescopic ultrafiltration cup Expired - Fee Related CN109796064B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200911350A (en) * 2007-09-03 2009-03-16 New Century Membrane Co Ltd Portable water cleaner
CN102247729A (en) * 2010-05-18 2011-11-23 新世膜科技股份有限公司 Water purifier convenient to carry and use
CN107970777A (en) * 2017-12-30 2018-05-01 福建金源泉科技发展有限公司 A kind of pressure-adjusting type backwash super filter tube and canteen and application method
CN207957939U (en) * 2017-12-25 2018-10-12 福建金源泉科技发展有限公司 Portable inner pressed ultrafiltration core cleaning water bag
CN208211730U (en) * 2017-12-30 2018-12-11 福建金源泉科技发展有限公司 A kind of Multi-function ultrafiltration canteen

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Publication number Priority date Publication date Assignee Title
JP2001327959A (en) * 2000-05-19 2001-11-27 Sera Corp:Kk Portable simple water cleaner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200911350A (en) * 2007-09-03 2009-03-16 New Century Membrane Co Ltd Portable water cleaner
CN102247729A (en) * 2010-05-18 2011-11-23 新世膜科技股份有限公司 Water purifier convenient to carry and use
CN207957939U (en) * 2017-12-25 2018-10-12 福建金源泉科技发展有限公司 Portable inner pressed ultrafiltration core cleaning water bag
CN107970777A (en) * 2017-12-30 2018-05-01 福建金源泉科技发展有限公司 A kind of pressure-adjusting type backwash super filter tube and canteen and application method
CN208211730U (en) * 2017-12-30 2018-12-11 福建金源泉科技发展有限公司 A kind of Multi-function ultrafiltration canteen

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