JPH1043747A - Water purifying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water purifying device constituted to prevent the clogging of an inflow port while the entire part is integrated compact and to evenly rotate the inflow water over the entire circumference of a filter cartridge. SOLUTION: A housing space 5 formed in a vessel body is formed to a square section. The filter cartridge 3 constituted to a cylindrical shape is concentrically housed in this housing space 5. The inflow port 8 is opened at the corner of the housing space 5 and an outflow port 15 is opened at the center of the base. A relatively large gap is opened at the front surface of the inflow port 8 and, therefore, even if slightly large foreign matter is mingled in the inflowing water, this foreign matter falls down by coming into contact with the outer peripheral surface of the filter cartridge 3 and the possibility that the inflow port 8 is clogged is eliminated. The flow of the inflow water in one direction around the filter cartridge 3 is made possible. The water is thus passed to the inner side evenly from the entire circumference of the filter cartridge 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drinking water purifier.

[0002]

2. Description of the Related Art Conventionally, as a water purifier of this type, a filter cartridge formed into a cylindrical shape using activated carbon or the like as a raw material is concentrically accommodated in a cylindrical container having a size larger than that of the filter cartridge.
Supply water, such as tap water, was allowed to flow into the outside of the filter cartridge from an inlet port opened on the inner peripheral surface of the container, and impurities were removed while the supply water was flowing from the outside to the inside of the filter cartridge, and filtered. It is known that purified water is taken out from an outlet communicating with the inside of a filter cartridge.

[0003]

Incidentally, such a water purifier may be attached to a beverage supply device such as a water chiller in addition to being used alone, and such a water purifier is particularly required to be miniaturized. You. In order to reduce the size with the conventional structure, the distance between the inner peripheral surface of the container and the outer peripheral surface of the filter cartridge must be reduced. Then, the inflow port opened on the inner peripheral surface of the container will correspond to immediately before the outer peripheral surface of the filter cartridge.For example, if a large foreign substance is mixed in the supply water, the foreign substance will enter the outer peripheral surface of the filter cartridge. There was a risk that the inlet would be clogged and left in contact with it. In addition, the supply water flowing from the inlet does not completely pass around the entire circumference of the filter cartridge, and mainly enters the inside of the filter cartridge from near the portion corresponding to the inlet, so that filtration cannot be performed efficiently. However, there is a problem that the filter cartridge is partially clogged early. The water purifier of the present invention has been completed based on the above-described circumstances, and its purpose is to prevent foreign substances from being clogged in the inflow port while keeping the whole compact and to filter inflowing water. An object of the present invention is to make it possible to rotate the cartridge all around the circumference.

[0004]

As a means for achieving the above object, a water purifier of the present invention comprises a cylindrical filter cartridge housed in a container having a housing space having a rectangular cross section therein. It is characterized in that an inlet for water is opened near the corner of the storage space in the container and an outlet is provided in communication with the inside of the filter cartridge.

[0005]

The water to be purified flows from the inlet near the corner of the storage space to the outside of the filter cartridge, and flows through the inside of the filter cartridge while passing through the outside of the filter cartridge. The filtered purified water flows out of the outlet. In the vicinity of the corner of the storage space, a relatively large gap was formed between the inner wall of the storage space and the outer peripheral surface of the filter cartridge. Even if foreign matter is mixed, there is no possibility that the inflow port is clogged. Further, since the inflow port can be provided not at right angles to the outer peripheral surface of the filter cartridge but at an inclined position, the inflowing water can flow in one direction around the filter cartridge,
It can be evenly distributed inside from the entire circumference of the filter cartridge, and can be filtered efficiently,
In addition, uneven clogging of the filter cartridge can be prevented, and the purifying function can be performed for a long time.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
A description will be given based on FIG. The water purifier of the present embodiment is used by being attached to a water cooler, and is roughly divided into a container body 1 and a lid plate 2 attached to the upper surface thereof.
And a filter cartridge 3 housed in the container body 1
It is composed of The container main body 1 is formed in a box shape having an open top and a substantially cubic outer shape, and a housing space 5 is formed therein. In particular, the horizontal cross-sectional shape of the housing space 5 is as shown in FIG. It is formed in a square. A flange 6 having a predetermined width is formed outward on an upper edge of the container body 1, and a rectangular lid plate 2 is put on the upper surface of the flange 6.

The filter cartridge 3 is formed into a cylindrical shape having a predetermined thickness by, for example, compression molding fibrous antibacterial activated carbon, and has a height substantially equal to the depth of the housing space 5. The outer diameter of the cylindrical shape is slightly smaller than the length of one side of the cross section of the housing space 5. Therefore, when the filter cartridge 3 is inserted into the center of the accommodation space 5, as shown in FIG.
At the center of the four inner walls of the storage space 5 in the width direction, only a small gap is opened between the inner surface of the filter cartridge 3 and the outer peripheral surface of the filter cartridge 3. A large gap is formed between the outer peripheral surface and the outer peripheral surface.

An inlet 8 is opened at one end of one inner wall 1 a of the container body 1, and an L-shaped inflow pipe 9 is connected to the inlet 8. In other words, the inflow port 8 is opened near one corner of the accommodation space 5. The height position of the inflow port 8 is preferably on the upper side of the inner wall 1a. A bracket 11 is attached to one side edge of the cover plate 2, and a water supply valve 12 is provided there. The water supply valve 12 is connected to the inflow pipe 9 by a hose 13. I have. The water supply valve 12 is connected to a supply source of tap water (not shown). On the other hand, an outlet 15 is opened at the center of the bottom plate 1b of the container body 1,
The outflow pipe 16 is connected downward there. Outflow pipe 1
Reference numeral 6 is connected to a cold water tank (not shown) via a connection pipe 17 and the like.

The water purifier is assembled as follows. A ring-shaped seal 19 is attached to both upper and lower surfaces of the filter cartridge 3. This filter cartridge 3
Are concentrically inserted into the accommodation space 5 of the container body 1. Subsequently, the lid plate 2 is put on the upper surface of the flange 6 of the container body 1 via the packing 20, and is fixed by tightening the screw 21. The cover plate 2 is attached to the upper surface of the container body 1 in a watertight manner via a packing 20. The upper and lower end surfaces of the filter cartridge 3 are in tight contact with the lid plate 2 or the bottom plate 1b of the container body 1 through seals 19, respectively. As a result, a substantially annular inflow space 23 is formed outside the filter cartridge 3, and a cylindrical outflow space 24 is formed inside. The inflow port 8 is in the inflow space 23, and the outflow port 15 is in the outflow space 24. Each will be communicated. As described above, the inlet 8 is connected to the supply source of tap water, and the outlet 15 is connected to the cold water tank.

The water purifier of the present embodiment has the above-described structure, and its operation will be described below. When the water supply valve 12 is opened, tap water is supplied and flows from the inflow port 8 into the inflow space 23 outside the filter cartridge 3 through the inflow pipe 9. Here, since the inflow port 8 is opened at the corner of the accommodation space 5 having a large gap between the inflow port 8 and the outer peripheral surface of the filter cartridge 3, even if a large foreign substance is mixed in the tap water, it should be noted that After being discharged toward the gap, the filter cartridge 3 falls on the outer peripheral surface of the filter cartridge 3, so that the inflow port 8 is not clogged.

The inflow port 8 is connected to the filter cartridge 3
The tap water that has flowed in from the inflow port 8 moves the inflow space 23 outside the filter cartridge 3 in the clockwise direction as shown by the arrow in FIG. In the meantime, as shown by the arrow in FIG. 3, the water is filtered by flowing through the filter cartridge 3 to the outflow space 24 therein. The filtered purified water flows from the outlet 15 on the bottom surface of the outflow space 24 through the outflow pipe 16 to the cold water tank.

As described above, according to the present embodiment,
With the structure in which the cylindrical filter cartridge 3 is accommodated in the accommodation space 5 having a square cross section, the accommodation space 5
In the vicinity of the corner, a relatively large gap is formed between the inner wall of the storage space 5 and the outer peripheral surface of the filter cartridge 3, and the inflow port 8 is provided near the corner, so that the tap water should be Inlet 8 even if large foreign matter is mixed
There is no risk of clogging. Although the corners of the container body 1 protrude as compared with the cylindrical body, the number of the corners is small, and the whole water purifier is compactly assembled.

The inflow port 8 is connected to the filter cartridge 3.
Is provided not at a right angle to the outer peripheral surface of the filter cartridge but at an inclined position.
Can be flowed in one direction around the filter cartridge 3, and can be evenly distributed inside from the entire circumference of the filter cartridge 3, and can be efficiently filtered. Further, if tap water concentrates only from a part of the filter cartridge 3 and enters the inside, clogging occurs early in the entering part, and the useful life of the filter cartridge 3 is shortened. Since the structure is such that water can enter evenly from the entire circumference of the filter cartridge 3, uneven clogging can be prevented, and the purifying function can be performed for a long period of time.

In addition, the purified tap water is liable to propagate germs because chlorine is removed therefrom. However, in the present embodiment, since the outflow port 15 is provided on the bottom of the outflow space 24, the purified water is purified. Water is not kept in the container,
Water can be reliably prevented from spoiling. Further, the outlet 15 is opened at the center of the bottom surface of the storage space 5 so that the filter cartridge 3 can be substantially concentric with the storage space 5.
By inserting the filter cartridge 3 into the filter cartridge 3, the inside of the filter cartridge 3 can be communicated with the outflow port 15. That is, it is not necessary to adjust the rotation posture of the filter cartridge 3 or to position the filter cartridge 3, so that the assembling work is simple and short Can be done in time.

<Other Embodiments> The present invention is not limited to the embodiments described above with reference to the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition, various changes can be made without departing from the scope of the invention. (1) The outer shape of the container body may be any shape as long as the internal accommodation space has a square cross section. (2) The present invention is not limited to water purifiers attached to water coolers, but can be widely applied to water purifiers in general, such as those attached to other beverage supply equipment or those used alone. It is.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a water purifier according to an embodiment of the present invention.

FIG. 2 is a plan view showing a state where a cover plate is removed.

FIG. 3 is a sectional view taken along line XX of FIG. 2;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Container main body 2 ... Cover plate 3 ... Filter cartridge
5 ... accommodation space 8 ... inlet 15 ... outlet

Claims (1)

[Claims] A cylindrical filter cartridge is housed in a container having a storage space having a rectangular cross section therein, and an inlet for water is opened near a corner of the storage space in the container. An outlet provided in communication with the inside of the filter cartridge.