KR20140139157A - Portable water purifier - Google Patents

Abstract

The present invention relates to a portable water purifier having a filter cartridge for purifying water, which is driven in a simple manner without an extra pressure tool, so the water purifier is portable and is used at any places. The portable water purifier in the present invention comprises a core main body which has recessed screw parts on an upper part and a lower part and has 8 water inlets; a cap which is connected to the core main body and has an air discharge hole; an external main body which is connected to the core main body and whose upper part and lower part are opened; an internal main body which is connected to the core main body and whose upper part and lower part are opened; and a donut-shaped long filter housing is inserted in the space between the internal main body and the external main body. The filter housing has open upper and lower parts to which a filter cartridge is introduced. In the present invention, the recessed screw part on the lower part of the core main body is completely connected to a protruding screw part of a plastic bottle which is sold at any stores, so plastic bottles for recycling are used. The portable water purifier of the present invention becomes operable by different water level when the plastic bottle is put in water after connection and can change natural water or stagnant water into drinking water.

Description

Portable water purifier

The present invention relates to a portable water purifier equipped with a filter cartridge having a water purification function in a product, and more particularly to a portable water purifier using a pressure generated by a water level difference without a separate pressure mechanism, .

In general, a water purifier is a device that filters water from various kinds of foreign substances contained in water. Recently, there is interest in water purification technology to obtain good water that can cause water shortage phenomenon all over the world due to population increase and environmental pollution problem It is getting bigger. Especially in the third world countries such as Africa and Southeast Asia, there is an extreme water shortage, which causes a lot of casualties, and the dirty sewage of surrounding rivers and reservoirs is used as drinking water or living water without going through the purification process. Also, in developed countries, interest in health increased, so water purifiers became a necessity not only in ordinary households but also in restaurants.

In recent years, as the outdoor recreation population enjoying fishing and mountain climbing has increased, they are also keen to drink purified water in the open air.

It is also important to obtain quality drinking water when exploring the open-air operation of the army, and it is important to get the purified water in advance because of its large volume and heavy load. In addition, Can not be used as drinking water in many cases.

Therefore, a portable water purifier capable of simply filtering water and using it as drinking water anywhere has been developed.

However, in order to filter the water, the water must pass through the filter of the water purifier. In this case, there is a sufficient pressure difference, and the conventional portable water purifier can not secure enough pressure to pass through the filter, It is troublesome to use the method in which the water to be purified after desorbing the filter is put in the container and the water is purified by attaching the filter again after the filter is removed. The portable water purifier provided with the pressure means developed to solve these problems has a problem that the size of the water purifier becomes too large due to the addition of the pressurizing means and the improvement of the method of obtaining water can not be largely deviated from the existing system.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide an air conditioner, And an object of the present invention is to provide an easy-to-use portable water purifier that automatically performs inflow and purification procedures.

In order to achieve the above object, the present invention provides a portable water purifier having the following structure.

A core body having upper and lower female threads and formed with eight water inlets;

A cap which is fastened to the core body and has an air outlet;

An external body fastened to the core body and opened at the bottom;

An inner body fastened to the core body and opened at the bottom;

A long donut-shaped filter housing which is fastened in a space between the outer body and the inner body and has upper and lower openings into which the filter cartridge is inserted;

Wherein the female screw portion on the lower portion of the core body is fit tightly with the male screw portion of the PET bottle that can be easily obtained on the market, so that a recycled PET bottle can be used.

Preferably, the core body portion can be lengthened so that the core body portion can be inserted deeper into the water, so that the water level difference can be further increased.

The rubber packing in the stopper portion completely blocks the outflow of air when the stopper is closed, and the rubber packing inside the core body prevents the plastic bottle It is preferable to completely block the space for coupling, that is, the air outflow of the inner body.

A sufficient space may be formed between the outer body and the inner body to secure a space into which the filter can be inserted.

More preferably, the filter housing is sized to allow the entire filter cartridge to be inserted, and the filter cartridge and the filter housing can be separated from each other.

Preferably, the filter housing is coupled to the space between the outer body and the inner body in a removable fashion.

The portable water purifier of the present invention has the following effects.

First, since it is not necessary to provide a separate pressurizing means and the pressure caused by the water level difference is used, it is not only easy to carry but also can make drinking water easily at any place.

Second, there is no hassle of the water purification process since the inflow and purification of the sewage are performed automatically at a time.

Third, it is eco-friendly because it combines easily recycled PET bottles on the market.

Fourth, the filling of purified water is prevented from contamination by sewage because both the inside and the outside of the PET bottle container do not reach the sewage. This is an important effect in the spread of alms to many countries with waterborne diseases like Third World countries.

Finally, the filter housing is detachably fastened, so that it is easy to separate and replace the filter cartridge.

1 is an exploded perspective view showing a configuration of a portable water purifier according to an embodiment of the present invention;
2 is a perspective view showing the construction of a portable water purifier according to an embodiment of the present invention;
3 is a cross-sectional view (closure of a cap) showing a configuration of a portable water purifier according to an embodiment of the present invention;
4 is a cross-sectional view (opening of a cap) showing a configuration of a portable water purifier according to an embodiment of the present invention;
5 is a cross-sectional view (closure of the cap) showing the use state of the portable water purifier according to the embodiment of the present invention.
6 is a cross-sectional view (opening of a cap) showing the use state of the portable water purifier according to the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view showing a configuration of a portable water purifier according to an embodiment of the present invention. Figs. 3 and 4 are views showing the construction of a portable water purifier according to an embodiment of the present invention Fig. 2 is a cross-sectional view showing a configuration of a portable water purifier according to the first embodiment.

The portable water purifier according to the present embodiment includes a cap 110, a core body 120, an external body 140, an internal body 150, a filter cartridge 160, a filter housing 170, and a PET bottle 130 .

The core body 120 is formed with an upper internal thread portion 121 capable of fastening a stopper 110 on an upper inner peripheral surface thereof and a lower internal thread portion 123 fastened to the male thread portion 131 of the PET bottle 130, And a coupling groove 2 120b and a water inlet 122 are formed at the coupling portion between the coupling groove 120a and the inner body 150. The coupling groove 120b and the water inlet 122 are formed in the coupling groove 120a. In addition, the rubber packing 2 124 is inserted into the core body 120 to block air in and out of the space of the inner body 150 while the PET bottle 130 is fastened.

The stopper 110 is formed with a male screw portion 111 and can be fastened to the female screw 121 of the core body 120 and has an air outlet 110b to facilitate the outflow of air if necessary, So that the air is prevented from entering and exiting when the stopper 110 is completely fastened to the female screw 121 of the core body 120.

The outer body 140 and the inner body 150 have upper and lower openings in which a coupling portion 1 141 and a coupling portion 2 151 are formed on the upper portion and the lower portion, respectively.

The filter cartridge 160 is a water purifying part and is inserted into the space between the outer body 140 and the inner body 150 after entering the filter housing 170. The filter cartridge 160 is composed of a filter lid 161 including a water outlet 161a and a settling filter 160a, an activated carbon 160b and a membrane 160c. The water outlet 161a is connected to the water Which is located at the top of the filter cartridge 160 at the top of the filter cartridge 160. The configuration of such a filter can be variously modified.

The filter housing 170 is in the form of a long donut with open top and bottom, and the filter cartridge 160 is inserted therein. The filter housing 170 is coupled to the filter lid 161 at an upper portion thereof and has a primary water inlet 171 at the lower portion thereof.

The PET bottle 130 represents a water bottle commonly available in the market and enters the space of the inner body 150 and is coupled to the lower female thread 123 of the core body 120.

The operation of the portable water purifier according to the embodiment of the present invention will now be described.

4 and 5 are cross-sectional views showing the use state of the portable water purifier according to the embodiment of the present invention,

FIG. 4 is a view showing that a water level difference occurs when a product is put into water in a state that the plug 110 is closed, FIG. 5 is a view showing that water is coming out while reducing the water level difference when the plug 110 is opened to be.

First, the PET bottle 130 is inserted into the inner body 150 and then coupled to the lower female threaded part 123 located on the lower inner circumferential surface of the core body 120.

When the plug 110 is closed in the water, the water 180 can not flow into the primary inlet 171 until the plug 110 is opened, so that a water level difference naturally occurs. This difference in water level is the greatest pressure difference.

At this time, if the cap 110 is opened, the air existing in the space A, which is the space between the external body 140 and the internal body 150, and the air which has prevented the inflow of water flows through the water inlet 122, And the water 180 existing in the PET bottle 130 and the amount of the air flowing out through the air outlet 110b. At this time, the water (180) continues to flow until the water level difference becomes zero.

The water 180 passes through the primary product inlet 171 and is purified while passing through the filter cartridge 160. The purified water passes through the water outlet 161a and then flows through the water inlet 122 to the PET bottle 130 I will add.

Air is prevented from entering or exiting the space B, which is a space between the inner body 150 and the PET bottle 130, regardless of whether the cap 110 is opened or closed. Therefore, since the air can not escape, the wastewater can not flow into the space (B) where the PET bottle 130 is coupled, and the contamination of the inside and outside of the PET bottle 130 is prevented.

It can be seen from the above description that even if the bottle 110 is opened from the beginning immediately after the bottle 130 is connected to the inventive product, it is operated under the same principle even if it is put into water.

110: Plug
110a: Rubber packing 1
110b: air outlet
111: male thread part
120: Core body
120a: coupling groove 1
120b: coupling groove 2
121: Upper female thread portion
122: Water inlet
123: Lower female thread portion
124: Rubber packing 2
140: external body
141: engaging portion 1
150: inner body
151: Coupling portion 2
160: Filter cartridge
160a: Precipitation filter
160b: Activated carbon
160c: Membrane
161: Filter cover
161a: Water outlet
170: Filter housing
171: Primary inlet
130: PET bottles
131: male thread part
180: water
A: Space between the outer body and the inner body
B: Space between the inner body and the PET bottle

Claims (2)

An outer body forming an outer appearance and having a hole formed therein;
An inner body having a smaller cross sectional area than the outer body and inserted into the outer body;
A filter cartridge disposed between the outer body and the inner body;
A core body partially inserted into the hole of the external body;
A PET bottle inserted into the inner body and engaging with a lower portion of the core body; And
And a cap capable of moving up and down in association with an upper portion of the core body,
Wherein a water inlet is formed in a portion of the core body between the outer body and the inner body so that water passing through the filter cartridge flows into the PET bottle through the water inlet. The method according to claim 1,
Wherein an air discharge port is formed in a side surface of the cap to discharge the air inside to the outside according to a relative height to the core body.

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