JPH0755314B2 - Water purifier - Google Patents

Description

The present invention relates to a water purifier for purifying tap water or the like by containing a water purifying agent contained in a water-permeable bag inside a pressure-resistant case.
"Prior art" A water purifier that removes chlorine and impurities contained in tap water
Since a powdered or granular filter agent such as activated carbon is used as the water purifier, the filter agent is stored in a cartridge for replacement of the water purifier.

However, if this cartridge is constructed as a sturdy case, it will form a double case with a pressure-resistant case, and since the cartridge will be discarded when the water purification agent is replaced, use an expensive material. Was uneconomical.

Further, to store the water purifying agent in the case-shaped cartridge requires a structure that allows the cartridge to be filled with the water purifying agent, which inevitably results in a plurality of component configurations.

"Problems to be solved by the invention" Therefore, it is possible to store the water purifying agent in an economically water-permeable bag and then store it in a pressure-resistant case. This results in the formation of a waterway in the source and the unpurified source water being mixed into the purified water.

If the pressure-resistant case and the bag are configured to be in close contact with each other, the problem will be solved, but it has not been easy to bring the bag containing the water-purifying agent into close contact with the inner surface of the pressure-resistant case.

In particular, once a water channel is formed between the bag and the pressure-resistant case, a small amount of water always flows between the pressure-resistant case and the bag, and there is a risk that the water purification capacity will be greatly reduced.

In addition, if you put water purification material in a bag and store it in a pressure resistant case, the bag will not have a uniform shape, and whether the water purification agent is weighed by weight or by volume, the pressure resistant case has a constant volume. However, there is a problem that a gap is formed between the pressure-resistant case and the internal capacity of the pressure-resistant case or the gap becomes larger than that of the pressure-resistant case.

"Means for Solving Problems" The present invention provides a water-purifying bag in a water-permeable bag which is housed in a pressure-resistant case, and one side of the pressure-proof case is provided with a packing for press-contacting the bag. The problem is solved by forming a through hole in a part avoiding the outer circumference to allow water to be injected into the bag.

"Operation" When the source water enters from one side of the pressure resistant case, it will be poured into the water-permeable bag of the water purifying agent through the packing.

Therefore, the bag is compressed by the water pressure applied to the packing, and the bag comes into close contact with the inner peripheral wall of the pressure resistant case.

Therefore, all the source water to be poured passes through the inside of the bag and comes into contact with the water purifying agent without forming a water channel between the pressure-resistant case and the bag.

Such packing requires water resistance for compressing the bag and needs to have a through hole. This through hole is preferably formed in the center of the pressure resistant case as much as possible, and needs to be formed avoiding the outer peripheral side. is there.

"Embodiment" Explaining one embodiment of the present invention with reference to the drawings, FIG. 1 is a vertical sectional view of a water purifier according to one embodiment of the present invention, and FIG. 2 shows its effect. It is a figure.

As shown in FIG. 1, the water purifier has a lid 2 on top of a pressure-resistant case 1.
Is detachably provided, and the discharge port 3 is further provided on the upper part.

The water purifying agent 5 contained in the water permeable bag 4 is stored inside the pressure-resistant case 1, and the bag 4 has water permeable such as cloth so that the water purifying agent 5 inside does not come out. It is composed of various materials.

Further, in the present embodiment, the water purification agent 5 is composed of granular activated carbon, but it may be composed of powdered activated carbon or ion exchange resin.

A water injection part 6 is formed in the lower part of the pressure resistant case 1, and a hose 7 connected to a water source such as a tap of a water supply is provided.

A ball valve 8 is formed at the center of the water injection portion 6 so that the water inside the pressure-resistant case 1 does not flow backward, and the outer periphery of the pressure-resistant case 1 is in close contact with the inner diameter of the pressure-resistant case 1. A packing 9 is provided at the bottom of the bag 4.

A through hole 10 is formed in substantially the center of the packing 9, and the through hole 10 is formed to have a small diameter so as to obtain water resistance to some extent.

A screen 11 is provided on the upper portion of the bag 4 so that if the water purifying agent 5 should come out of the bag 4, it will not flow to the discharge port 3.

In FIG. 2, the water purifier shows a state in which the characteristics deteriorate with respect to the water flow rate, the A line shows the characteristics of the water purifier without packing, and the B line shows the water purifier of the present invention. It shows the characteristics.

In such a configuration, the water purifier injects the source water containing impurities such as chlorine for disinfection and rust of the iron pipe from the water injection unit 6 through a tap (not shown).

The source water is continuously poured through the hose 7, and at this time, the water purifying agent 5 inside the bag 4 is passed through the through hole 10 of the packing 9.
Contact source to purify source water.

The purified source water is discharged as purified water from the upper discharge port 3 and can be used for beverages and the like.

Then, in such an operation, the through hole 10 of the packing 9
When the source water passes through, the packing 9 compresses the bag 4 toward the discharge port 3 due to some water resistance.

Further, since the packing 9 receives a water pressure from the source side to the source side, the bag 4 is strongly pushed toward the discharge port 3.

The bag 4 compressed by such packing 9 is compressed inside the pressure-resistant case 1, expands in the radial direction of the pressure-resistant case 1 and comes into close contact with the inner surface of the pressure-resistant case 1.

Therefore, the source water passing through the through hole 10 of the packing 9 is
A gap passing between the pressure-resistant case 1 and the pressure-resistant case 1 is not formed, and it passes through the inside of the bag 4, so that the water purification agent 5 is surely contacted.

For this reason, as shown in FIG. 2, if the purified water can be surely purified, the source water passing from between the bag and the pressure-resistant case is mixed into the purified water as shown by the line A to deteriorate the characteristics. However, according to the present invention, since the source water does not pass between the bag 4 and the pressure-resistant case 1, all the source water is surely purified, which is indicated by the line B. It is possible to obtain the characteristics as described above.

Such a packing 9 may be one that can press the bag 4 with a material such as rubber, and the through hole 10 is provided in the center as much as possible so that the source water is uniformly diffused inside the bag 4. Convenient for.

In addition, the packing 9 is provided in the bag 4 even if the water purifying agent 5 such as activated carbon does not match the inner volume of the pressure resistant case 1.
It is possible to absorb the change in volume.

Therefore, it is possible to store the bag 4 containing the water purification agent 5 in the pressure resistant case 1.

"Effect of the Invention" According to the present invention, a water purifying agent can be put in a bag having water permeability in a pressure-resistant case and can be stored, and thus the economical effect is large
Moreover, source water does not leak from between the bag and the pressure-resistant case, and a water purifier with good performance can be obtained.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a water purifier according to an embodiment of the present invention, and FIG. 2 is a view showing its effect. 1 ... Pressure resistant case, 2 ... Lid, 3 ... Discharge port, 4 ...
Bag, 5 ... Water purifying agent, 9 ... Packing, 10 ... Through hole.

Claims (1)

[Claims] 1. A water purifier in which a water purifying agent is provided inside a pressure resistant case to inject water from one side and to discharge water from the other side, and the water purifying agent is put in a water-permeable bag and stored in the pressure resistant case. A water purifier characterized in that a packing for press-contacting the bag is provided on one side, and a through hole is formed in a part avoiding the outer periphery of the packing so that water can be poured into the bag.