JP2010234286A - Portable water purifying apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable water purifying apparatus which purifies water in a short time by accelerating a water purifying rate even when using a high-performance filter cartridge, while maintaining the maximum volume of a water storage tank, and which does not need to be lifted and tilted, and does not re-contact the filter cartridge. <P>SOLUTION: The water purifying apparatus includes: a raw water storage tank for storing raw water; a filter cartridge for purifying the raw water stored; a purified water storage tank for storing the water purified by the filter cartridge; and a water supply port for pouring the purified water stored in the purified water storage tank. In the apparatus, the raw water storage tank is of a variable volume type which can vary its volume by its extension and contraction. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a portable water purifier equipped with a water storage tank for storing purified water, and has a filter cartridge filled with a purifier substance therein and houses an elastic volume-variable raw water storage tank. The container is detachably mounted, the top of the head can be closed with a lid, the stretchable variable volume raw water reservoir expands and contracts to accelerate the purified water filtration speed, and the purified water reservoir exhaust port closes It is related with the portable water purifier which can pour purified water from a water supply port.

Conventionally, as a portable water purifier, for example, Patent Document 1 is known. However, the water purifier described in Patent Document 1 has the following problems.
(1) Since the water funnel for clean water occupies about half of the water purification device, the volume of the water storage tank that can store the purified water is reduced, and a large amount of purified water cannot be obtained at one time. Must-have.
(2) Moreover, since the purified water is used using gravity, the speed of the purified water is slow unlike the faucet-direct water purifier that uses the water pressure of the water supply or the pressure of the booster pump.
(3) Therefore, when a filter cartridge having a high-performance water purification function is used, it takes more time for water purification and may not be used when the user rushes.
(4) The conventional portable water purifier lifts the water purifier and tilts it obliquely to pour purified water. As a result, it was difficult to use, especially for children and the elderly, because it slipped on water, dropped heavy, and spilled water.

German Patent Publication No. 3814683 (DE3814683A1)

  The main object of the present invention is to solve the problems of the above-mentioned conventional portable water purifier, even when a high-performance filter cartridge is used while accelerating the water purifying speed while maintaining the capacity of the water storage tank at the maximum. The purpose of the present invention is to provide a portable water purifier that has a short water purification time and does not require lifting and tilting of the water purifier.

In order to achieve the above-described object, the present invention has the following configuration. That is,
(1) A raw water storage tank for storing raw water, a filter cartridge for purifying the stored raw water, a purified water storage tank for storing water purified by the filter cartridge, and water stored in the purified water storage tank A water purifier having a water supply port for pouring the purified water, wherein the raw water reservoir is of a variable volume type whose volume is variable by expansion and contraction.

  (2) The variable volume type raw water reservoir is filled with raw water from the open side of the upper end in a state where the upper end and the lower end are opened and the volume of the raw water reservoir is extended to enlarge the filter cartridge from the open side of the lower end. The water purifier according to (1), wherein the water purifier is configured to supply purified water to the purified water storage tank.

  (3) The raw water storage in a path from the lower end open side of the raw water storage tank to the purified water storage tank while the variable volume raw water storage tank is stored in a container installed above the purified water storage tank. The water purifier according to (2) above, wherein the filter cartridge is attached to a tank storage container wall surface.

  (4) The water purifier according to (2) or (3) above, wherein a lid covering the upper end opening is detachably attached to the upper end of the variable volume type raw water reservoir. .

  (5) With the volume of the raw water reservoir increased, the raw water reservoir filled with raw water is pressed from the open side of the upper end in the direction of decreasing the volume of the raw water reservoir together with the lid, and through the filter cartridge When filtering the raw water in the raw water storage tank, air is passed through the raw water storage tank when the volume of the raw water storage tank is increased, and the air in the raw water storage tank is escaped when pressed in the direction of decreasing the volume. The water purifier according to any one of (2) to (4), wherein a check valve for preventing water is attached to the lid.

  (6) With the volume of the raw water reservoir increased, the raw water reservoir filled with the raw water is pressed from the open side of the upper end together with the lid in the direction of decreasing the volume of the raw water reservoir, and through the filter cartridge The water purifier according to any one of (2) to (5), wherein an exhaust port for exhausting air from the purified water storage tank is provided when the raw water in the raw water storage tank is filtered.

  (7) When the raw water storage tank is pressed in the direction of decreasing the volume from the state in which the volume of the raw water storage tank is increased, the purified water in the purified water storage tank is poured into the exhaust port from the water supply port. The water purifier according to (6) above, wherein a closing tool is provided to block the water.

  According to the present invention, the raw water storage tank that stores the raw water is made of a variable volume type in which the volume is variable by expansion and contraction, so that the raw water storage tank can be stored in the water purifier in a state in which the volume of the raw water storage tank is reduced, and the raw water storage tank Since the raw water can be filled into the raw water storage tank with the volume increased, the volume of the purified water storage tank is kept large, and the top of the raw water storage tank is closed with a lid to increase the volume of the raw water storage tank. The purified water filtration speed is accelerated by pressing the raw water reservoir stored in the state with the lid in the direction of decreasing the volume, and the purified water is poured from the water supply port by closing the exhaust port provided in the purified water reservoir It is possible to provide a portable water purifier that can be used.

It is sectional drawing of the portable water purifier which shows a preferable example of this invention. It is sectional drawing of the portable water purifier which shows the state which extended the elastic | stretchable volume variable type raw | natural water storage tank which shows an example of this invention, and enlarged the volume of the raw | natural water storage tank. It is sectional drawing of the portable water purification apparatus which shows an example of the present invention which shows a state when raw water is put into a raw water storage tank in the state where the elastic volume variable type raw water storage tank was extended and the volume of the raw water storage tank was enlarged. . According to the present invention, the raw water storage tank is pressed together with the lid in the direction of reducing the volume of the raw water storage tank so that the raw water before purification in the storage tank is purified by the filter cartridge, and the purified water storage tank is filled with purified water. It is sectional drawing of the portable water purifier which shows an example. It is sectional drawing of the portable water purification apparatus which shows an example of this invention which shows the preparation with which purified water is filled into a water storage tank, stretches a variable volume raw water storage tank, and supplies purified water from a water supply port. From the state of FIG. 5, the portable body showing an example of the present invention showing that purified water is poured from the water supply port by pressing in the direction of reducing the volume of the elastic variable volume raw water reservoir together with the lid. It is sectional drawing of a type water purifier. It is sectional drawing of the portable water purifier used by the comparative example.

  Hereinafter, preferred embodiments of the present invention will be described based on examples shown in the drawings.

  FIG. 1 is a cross-sectional view of a portable water purifier showing a preferred example of the present invention.

  As shown in FIG. 1, the portable water purifier of the present invention is purified by a raw water storage tank 3 for storing raw water, a filter cartridge 1 for purifying the stored raw water, and the filter cartridge 1. In the water purifier having a purified water storage tank 5 for storing fresh water and a water supply port C for supplying purified water stored in the purified water storage tank 5, the raw water storage tank 3 is made of an elastic variable volume type. It is characterized by.

  In the example of FIG. 1, the volume-variable type raw water storage tank 3 is composed of a bellows-like member having an open upper end and a lower end, and is filled with raw water from the open side of the upper end of the bellows-like member. Is configured to feed purified water to the purified water storage tank 5 via the filter cartridge 1.

  The raw water storage tank 3 is housed in a container 2 installed at the top of the upper end of the purified water storage tank 5 and has a path extending from the lower end open side of the raw water storage tank 3 to the purified water storage tank. The filter cartridge 1 is attached to the bottom surface of the raw water reservoir storage container 2, and a lid 4 covering the upper end opening of the raw water reservoir 3 is attached to the upper end of the raw water reservoir 3. It has a structure that can be opened and closed or detachably attached so as to open and seal the upper end. The lid 4 covers the raw water storage tank 3 so as to seal the open upper end portion of the raw water storage tank 3, and also holds the raw water storage tank storage container 2 in a fitted state on the upper end portion of the container 2 so as to seal. 12 is fixed.

  The fastener 12 may fix the lid 4 that covers the container 2 and the raw water reservoir 3 at the same time, and can be opened and closed by the hinge 14 so that the container 2 and the lid 4 can be closed and opened. Yes.

  Further, a check valve 8 is attached to the lid 5 as will be described later.

  About the shape of the container 2, since what is necessary is just the shape where the water before water purification accumulates, the thing of the funnel shape and rectangular shape which have an inclined surface like a figure may be sufficient.

  In the present invention, the raw water storage tank 3 may be a variable volume type, and a bellows-like member as shown in the figure is preferably applicable, but is not limited to this, and is a bag-like or nested type. Also good.

  Moreover, it is preferable that the container 2 is removable with respect to the water purification tank 5, and by being removable, the container 2 and the water storage tank 5 for purified water can be easily cleaned. Moreover, it is preferable that the container 2 is attached to the purified water storage tank 5 in a fitted state. Further, the container 2 and the water purification tank 5 may be provided with screw grooves, and the container 2 may be screwed into the water purification tank 5.

  The open side of the lower end of the bellows-shaped variable volume raw water reservoir 3 housed in the container 2 is bonded and fixed to the bottom surface of the container 2 with an adhesive or the like so that water does not leak.

  In the present invention, the filter cartridge 1 is filled with a purifier material made of activated carbon and / or hollow fibers.

  The filter cartridge 1 may be a hollow fiber made of polysulfone having fine porosity, a hollow fiber made of polyethylene having fine porosity, or polypropylene. The outer shape and inner diameter of the hollow fiber or the size of the microporous material can be changed depending on the filtration ability such as speed and filtration rate. The activated carbon may be coconut shell activated carbon or fibrous activated carbon. Furthermore, the activated carbon may contain an ion exchange resin or an ion exchange fiber.

  The positional relationship between the hollow fiber and the activated carbon may be up and down in the longitudinal direction, or the activated carbon may be disposed around the hollow fiber.

  FIG. 2 is a cross-sectional view of a portable water purifier showing a state in which the stretchable variable volume raw water reservoir is enlarged and the volume of the raw water reservoir is increased according to an example of the present invention.

  As shown in FIG. 2, a mechanism is shown in which the volume of the raw water storage tank 3 for storing the raw water to be purified is increased by lifting and extending the stretchable variable volume raw water storage tank 3 together with the lid body 4.

  FIG. 3 is a portable type showing an example of the present invention showing a state when raw water 9 is put into the raw water storage tank in a state where the elastic volume variable type raw water storage tank is extended and the volume of the raw water storage tank is enlarged. It is sectional drawing of a water purifier.

  That is, in the state where the stretchable variable volume raw water reservoir shown in FIG. 2 is extended, the lid 4 is opened and the raw water 9 is filled from the open side of the upper end of the variable volume raw water reservoir, so that the volume of the water before purification is variable. The state which stored in the type | mold raw | natural water storage tank and closed the cover body 4 again is shown.

  The elastic volume-variable type raw water reservoir 3 is made of plastic or the like, and its volume when expanded is about 2 to 15 times, preferably about 3 to 8 times that when contracted.

  In the present invention, the volume-variable type raw water storage tank 3 can be extended to hold a large amount of water before purification, and the volume-variable type raw water storage tank is extended toward the upper part, so that the water is purified. Since the volume of the water storage tank 5 is not occupied, the volume of the water storage tank 5 is maintained.

  In the past, the funnel-shaped container for water purification occupies about half of the water purification equipment, so the volume of the water storage tank 5 that can store the purified water is reduced, and a large amount of water cannot be obtained at one time. Since the work had to be done, the work of the user was complicated and dissatisfied.

  FIG. 4 shows that the raw water storage tank is pressed together with the lid in the direction of reducing the volume of the raw water storage tank so that the raw water before purification in the storage tank is purified by the filter cartridge, and the purified water storage tank is filled with the purified water 10. It is sectional drawing of the portable water purifier which shows an example of this invention shown.

  From the state of FIG. 3, as shown in FIG. 4, together with the lid 4, the elastic volume-variable raw water reservoir is pressed from above, so that the reservoir is compressed, and the water before purification in the reservoir is compressed by air pressure. Is purified through the filter cartridge 1, but the water purification speed is accelerated by this compression.

  Furthermore, the present invention attaches a check valve 8 to the lid 4. The check valve 8 has a function of introducing air into the variable volume raw water reservoir 3 through the check valve 8 when the raw water reservoir is extended, and the volume of the variable volume raw water reservoir along with the lid 4 is small. When the raw water is filtered through the filter cartridge by pressing in this direction, it has a function of preventing escape of air in the raw water reservoir.

  In the present invention, by attaching the check valve 8 and contracting the variable volume raw water reservoir, the water before purification in the variable volume raw water reservoir is compressed by air pressure, and the filter cartridge 1 The speed of filtration at can be accelerated.

  In the conventional portable water purifier, since filtration is performed using the weight of water in the funnel-shaped container, the filtration speed is slow and the user is not satisfied with the waiting time. Furthermore, if a filter cartridge with high filtration performance, such as a filter cartridge that combines hollow fibers and activated carbon, is used, the filtration pressure will be high, and it will take a long time to filter with the weight of water alone, and it cannot be used. There wasn't.

  By having the volume-variable type raw water reservoir 3 of the present invention, the water pressure can be increased without closing the lid 4 that opens and closes or letting the check valve 8 of the lid 4 release air. That is, it has the same effect as a water pipe having a water pressure or a booster similar to a faucet-directly connected water purifier.

  The variable volume raw water storage tank may have a spring type with a bellows-shaped shape memory wire, or may have a function of being spontaneously extended upward by a shape memory resin, and the fastener 12. It is more preferable to suppress the function that the bellows-like member is spontaneously extended upward.

  FIG. 5 is a cross-sectional view of a portable water purification apparatus showing an example of the present invention showing preparations for filling purified water into a water storage tank, extending a stretchable variable volume raw water storage tank, and supplying purified water from a water supply port.

  Moreover, FIG. 6 shows that the purified water is supplied from the water supply port by pressing in the direction of reducing the volume of the elastic variable volume raw water reservoir together with the lid 4 from the state of FIG. It is sectional drawing of the portable water purifier which shows an example of this invention.

  In the present invention, in a state where the volume of the variable volume raw water reservoir is increased, the volume of the variable volume raw water reservoir is pressed together with the lid 4 in a direction in which the volume of the variable volume raw water reservoir is reduced, and the raw water is filtered through the filter cartridge. In this case, an exhaust port 6 is provided for exhausting air from the purified water storage tank. When the exhaust port 6 is pressed in the direction of reducing the volume of the elastic volume-variable raw water reservoir together with the lid 4 in the state of FIG. 6, the purified water is supplied from the water supply port. Is configured to be closed by the exhaust port closing tool 13.

  As shown in FIGS. 5 and 6, in the portable water purifier, the present invention extends the stretchable variable volume raw water reservoir 3 by closing the exhaust port 6, and stores the raw water before purifying the water. In the water storage tank 3, the lid 4 that opens and closes is closed and pressed from above, so that the variable volume raw water storage tank is compressed, and the purified water is supplied through the water supply port 7 by the air pressure of the raw water storage tank 3. Can be done.

  In the conventional portable water purifier, the water purifier is lifted and tilted obliquely in order to pour purified water. As a result, it was difficult to use, especially for children and the elderly, because it slipped on water, dropped heavy, and spilled water.

  In the present invention, by expanding and contracting the volume-variable type raw water storage tank, it is possible to supply purified water without lifting and tilting the water purifier body, so when the water purifier is lifted, It is easy to use, especially for children and the elderly, without being heavy, dropping or spilling water.

  Further, as described above, a check valve is attached to the lid 4 at the top of the head that opens and closes, so that the user does not need to pull up the raw water reservoir or open and close the lid 4. The use of the person becomes even easier.

  The water purifier of the present invention further comprises a water purifier main body comprising a water purifier for storing the water purified by the filter cartridge, and a water supply port for pouring the water stored in the water purifier. Since the raw water storage tank for storing the raw water, the container for storing the raw water storage tank, the filter cartridge for purifying the stored raw water, and the handle 11 are attached integrally with the apparatus main body, It can be set as a compact portable water purifier.

  An embodiment of a portable water purifier having a variable volume type raw water storage tank that is preferably used as a portable water purifier of the present invention will be described below with reference to the accompanying drawings.

Example 1
In FIG. 1, a container 2 made of polystyrene having a height of 380 mm, a width of 200 mm, a depth of 120 mm, and a thickness of T2.7 mm, and a stretchable four-stage bellows-shaped member made of polypropylene having a thickness of T0.9 mm of raw water reservoir 3. The volume of the purified water storage tank 5 is 3200 cm ³ , and the volume of the raw water storage tank 3 of the four-stage stretchable bellows-like member is 600 cm ³ in a contracted state.

  Moreover, the filter cartridge 1 used the hollow fiber membrane module which consists of the hollow fiber membrane bundle which consists of a polysulfone which has micropores, and activated carbon.

Furthermore, the volume becomes 3200 cm ³ by extending the raw water reservoir 3 of the four-stage bellows-like member as shown in FIG. In addition, when extending the bellows, air enters the raw water reservoir 3 of the bellows-like member through the check valve 8.

Next, the lid 4 is removed, 3100 cm ³ of the water 9 before water purification is put into the variable volume raw water reservoir 3, and the lid 4 is attached as shown in FIG.

Further, in FIG. 4, by opening the exhaust port 6 and pressing the lid 4 from above, the water passes through the filter cartridge 1 to purify 3100 cm ³ of water in 20 seconds, and the water tank 5 contains 3085 cm of purified water 10. ³ was obtained. The filtration rate is 154 cm ³ / sec.

  Next, as shown in FIG. 5, the raw water reservoir 3 of the four-stage bellows-like member is extended, and the exhaust port 6 is closed.

  Further, in FIG. 6, by pressing the lid 4 from above, the purified water is supplied through the water supply hole 7 without tilting the portable water purification device.

Comparative Example 1
In FIG. 7, a funnel having a height of 380 mm, a width of 200 mm, and a depth of 120 mm is the same as that of the first embodiment except that the variable volume raw water storage tank 3, the exhaust port 6, the water supply hole 7, and the check valve 8 are not provided. in a portable water purification device with Jo container 2, the volume of the water purification water reservoir 5 is 2200 cm ^3, the volume of the funnel-shaped container 2 is 1800 cm ^3. The filtration rate is 9 cm ³ / sec.

Furthermore, 1700 cm ³ of the water 9 before water purification was put into the funnel-shaped container 2, and 1700 cm ³ of water was purified in 180 seconds to obtain 1670 cm ³ of purified water 10 in the water tank 5.

  Furthermore, in order to pour purified water, the handle 11 is grasped with one hand, and the portable water purifier is lifted and tilted. By tilting at this time, water spilled from the portable water purifier. At that time, the hand was wet with water, and with a wet hand, a portable water purification device was held. As a result, the handle became wet with water and the portable water purifier slipped out of the hand.

1: Filter cartridge 2: Raw water storage tank storage container 3: Stretchable variable volume raw water storage tank 4: Cover 5: Water storage tank for purified water 6: Exhaust port 7: Water supply port 8: Check valve 9 : Water before water purification 10: Water purification 11: Handle 12: Fastener 13: Exhaust port closure 14: Hinge

Claims (7)

Raw water storage tank for storing raw water, filter cartridge for purifying the stored raw water, purified water storage tank for storing water purified by the filter cartridge, and purified water stored in the purified water storage tank A water purifier having a water supply port for pouring water, wherein the raw water reservoir is of a variable volume type whose volume is variable by expansion and contraction. The variable volume type raw water reservoir is filled with raw water from the open side of the upper end with the upper end and the lower end being opened and the volume of the raw water reservoir is extended to increase the volume, and from the open side of the lower end through the filter cartridge. The water purifier according to claim 1, wherein the water purifier is configured to supply purified water to a purified water storage tank. The raw volume water storage tank is stored in a container installed on the upper side of the purified water storage tank and the path of the raw water storage tank along the path from the lower open side of the raw water storage tank to the purified water storage tank. The water purifier according to claim 2, wherein the filter cartridge is attached to a wall surface. The water purifier according to claim 2 or 3, wherein a lid that covers an upper end opening portion is attached to an upper end of the volume-variable type raw water reservoir so as to be openable and detachable. With the volume of the raw water reservoir increased, the raw water reservoir filled with raw water from the open side of the upper end is pressed together with the lid in the direction of decreasing the volume of the raw water reservoir, and the raw water reservoir is passed through the filter cartridge. When filtering the raw water, air is passed through the raw water reservoir when the volume of the raw water reservoir is increased, and air escape in the raw water reservoir is prevented when pressing in the direction of decreasing the volume. The water purifier according to any one of claims 2 to 4, wherein a check valve is attached to the lid. With the volume of the raw water reservoir increased, the raw water reservoir filled with raw water from the open side of the upper end is pressed together with the lid in the direction of decreasing the volume of the raw water reservoir, and the raw water reservoir is passed through the filter cartridge. The water purifier according to any one of claims 2 to 5, further comprising an exhaust port for exhausting air from the purified water storage tank when the raw water is filtered. When the raw water storage tank is pushed in the direction of decreasing the volume from the state in which the volume of the raw water storage tank is increased to the exhaust port, the exhaust from the exhaust port is blocked when the purified water in the purified water storage tank is poured from the water supply port. The water purifier according to claim 6, wherein a mouth closing tool is provided.

Images