JP2846852B2 - Water purifier and its switching cock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier for purifying raw water such as tap water to purify water and a switching cock therefor.

[0002]

2. Description of the Related Art Water purifiers are used to remove odor and organic substances contained in water. BACKGROUND ART Conventionally, water purification has been performed using two types of filters, an antibacterial activated carbon filter and an ultra-micro filter, for purifying water.

[0003] The water purifier is provided with a switching cock for switching between a purified water straight for supplying purified water straight, a raw water shower for supplying raw water like a shower, and a raw water straight for supplying raw water straight.

[0004]

A conventional water purifier is required to be easy to attach and detach a cartridge containing an antibacterial activated carbon filter and a cartridge containing an ultra-micro filter. However, in high-pressure areas of tap water, there is a problem that tap water flows in a large amount and the filtration time is short so that sufficient filtration cannot be performed.In addition, in the case of a conventional water purifier, cockroaches and the like enter when replacing a cartridge and become dirty. There was discomfort.

When hot water flows into the switching cock, it must be drained so as not to enter the water purifier in order to protect the antibacterial activated carbon filter. Furthermore, when high-pressure raw water (3.5 kgf / cm ² ) flows into the switching cock, it must be drained so as not to enter the water purifier in order to maintain the confidentiality of the water purifier.

[0006]

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention raises a column at a central portion on a base, and mounts the column on the left and right sides of the column so that the cartridge can be easily attached and detached. Place the antibacterial activated carbon filter cartridge and ultra micro filter cartridge, connect the raw water hose and water purification hose to the base, and purify the raw water through the base, pillar, antibacterial activated carbon filter cartridge, pillar, ultra micro filter cartridge, and purify the water. In the water purifier through which the column and the base are passed, the antibacterial activated carbon filter cartridge of the column, grooves are provided on both sides of the mounting side of the ultra-micro filter cartridge, the column of the antimicrobial activated carbon filter cartridge, the ultra-micro filter cartridge Attach hook hooks and fixed hooks at locations facing the side grooves, Activated carbon filter cartridge, and a water purifier that is to be mounted to the pillar of the ultra-micro filter cartridge at one touch.

Further, in order to keep the inflow of tap water constant even in a high-pressure area of tap water, a column is erected at the center of the base, and an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are provided on the left and right sides of the column. Place, connect raw water hose and purified water hose to the base, make raw water purified through base, pillar, antibacterial activated carbon filter cartridge, pillar, ultra-micro filter cartridge, and pass purified water through pillar, base. The water purifier was provided with a constant flow valve in the raw water inflow path.

Further, in order to prevent cockroaches and the like from entering the water purifier, a water purifier is used in which the base into which the raw water hose and the water purifying hose enter is hermetically sealed. Furthermore, to prevent hot water and high-pressure raw water from flowing into the water purifier, a column is set up in the center of the base, and an antibacterial activated carbon filter cartridge and a super micro filter cartridge are arranged on the left and right sides of the column. Connect the raw water hose and purified water hose to the base, and purify the raw water through the base, pillar, antibacterial activated carbon filter cartridge, pillar, ultra-micro filter cartridge, and purify the purified water through the pillar and base. A switching cock of the container, the piston valve is urged by a shape memory alloy spring to be openably and closably provided in the raw water inflow passage, and when hot water flows in, the shape memory alloy spring is extended and the piston valve extends through the raw water inflow passage. Shut off and shut off the raw water inflow passage, and at the same time, open the drain valve communicating with the raw water inflow passage with a piston valve to drain hot water, and When the high pressure raw water above flows into the water inlet passage, and at the same time blocking the water inlet passage in the piston valve, was then switched cock so as to drain the high pressure raw water by opening the drain valve.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in detail below with reference to the accompanying drawings. In FIG. 1, a column 2 is erected at the center on a base 1, and an antibacterial activated carbon filter cartridge 3 is disposed on the left side of the column 2, and an ultra-micro filter cartridge 4 is disposed on the right side thereof.

Raw water flows into the base 1 from a raw water hose 5 from a tap water or the like, flows into the column 2 through a raw water inflow path 6, and reaches an activated carbon inlet 7. The water that has passed through the antibacterial activated carbon filter cartridge 3 reaches an activated carbon outlet 8 located above the activated carbon inlet 7, and from the activated carbon outlet 8, passes through the inside of the column 2 and reaches the ultra-micro filter inlet 9. From there, it passes through the ultra-micro filter cartridge 4 to the ultra-micro filter outlet 10 located below the ultra-micro filter inlet 9 of the column 2, and purified water purified from the ultra-micro filter outlet 10 is purified and discharged. The water reaches the water purification hose 12 via the road 11.

The antibacterial activated carbon filter cartridge 3 comprises:
An activated carbon cartridge module 22 is accommodated in a cartridge case 21, a granular activated carbon 23 is accommodated in a lower portion thereof, and an ACF element 24 is accommodated in an upper portion thereof. The cartridge case 21 corresponds to the activated carbon inflow port 7 and the activated carbon outflow port 8, respectively. Inlet 25 and outlet 26 respectively
Are drilled.

On the other hand, the ultra-micro filter cartridge 4 has a membrane module case 2
8, a hollow fiber membrane 29 is accommodated in a membrane module case 28, and an inlet 30 is provided in the cartridge case 27 at a position opposed to the ultra-micro filter inlet 9 and the ultra-micro filter outlet 10. Outflow ports 31 are respectively formed.

As shown in FIG. 2, hooks 32 project from the side facing the side surface of the column 2 of the ultra-micro filter cartridge 4, and fixed hooks 33 project from the other side. I have. Hook 32
The hook of the fixing hook 33 is formed so as to face outward as is apparent from the drawing. The fixing hook 33 is formed to be long enough to bend sufficiently when pressed. The antibacterial activated carbon filter cartridge 3 is also provided with hooks 32 and a fixing hook 33.

A groove 34 is formed in the column 2 at a position facing the hook 32 of the cartridge, and a groove 35 is formed at a position facing the fixed hook 33. The attachment and detachment of the ultra-micro filter cartridge 4 will be described with reference to FIGS.

When the ultra-micro filter cartridge 4 is mounted on the column 2, as shown in FIG. 4, first, the hooks 32 are hooked on the grooves 34, and FIG.
When the ultra-micro filter cartridge 4 is rotated in the direction of the arrow A as shown in FIG.
And the mounting is completed. When removing the ultra-micro filter cartridge 4, as shown in FIG. 6, hold the upper part of the water purifier, attach the hand to the ultra-micro filter cartridge 4, and press the fixing hook 33 on the side of the ultra-micro filter cartridge 4, As shown in FIG. 7, it can be removed to rotate in the B direction.

The antibacterial activated carbon filter cartridge 3 can be mounted and removed in the same manner. When tap water is used in a place where the tap water is at a high pressure, the flow rate of the tap water passing therethrough is so fast that sufficient purification cannot be performed. 3 and the ultra-micro filter cartridge 4 are made to flow a constant flow of water. On the other hand, reference numeral 37 denotes a valve seat, on which a non-return preventing rubber ball 38 for preventing backflow is mounted.

In order to prevent cockroaches and the like from entering the water purifier when the cartridge is replaced, the raw water hose 5 and the water purification hose 12 which enter the base 1 are provided with a bottom lid 39 on the base 1 so as to be sealed. I do. The end of the raw water hose 5 is externally fitted to the connecting pipe 40 and fixed with a nut 41. Reference numeral 42 denotes a cover that covers the antibacterial activated carbon filter cartridge 3, the column 2, and the ultra-micro filter cartridge 4.

As shown in FIG. 1, a switching cock 51 is connected to a water tap (not shown) or the like by a main body 52 and a cap 5.
3 and attached. As described above, the switching cock 51 is switched between the raw water straight, the raw water shower, and the purified water straight by the switching lever 54. Body 5
A piston valve 57 is urged by a shape memory alloy spring 58 in the raw water inflow passage 56 provided horizontally in FIG. 2 to open and close the raw water inflow passage 56. A water supply port 59 for supplying raw water or purified water is provided at a lower portion, and a drain valve 60 is provided at a location communicating with the raw water inflow passage 56.

FIG. 8 is an enlarged view of a main part of the switching cock 51. A branch 61 is attached to the main body 52 in a protruding manner, and a raw water inflow path 56 is provided in the branch 61 in a penetrating manner. The piston valve 57 can move left and right in the figure and is urged rightward in the figure by a shape memory alloy spring 58. Shape memory alloy spring 5
Reference numeral 8 denotes an O which is extended in contact with hot water to move the piston valve 57 to the right,
With the ring 62 seated on the valve seat 63, the raw water flowing from the inlet 64 through the gap between the piston valve 57 and the main body 52 and passing through the portion of the shape memory alloy spring 58 of the raw water inflow path 56 is cut off, and flows out to the outlet 65 side. do not do. At this time, a cam 66 having a large diameter formed at an intermediate portion of the piston valve 57 is provided with a 3.5 kgf / cm of the drain valve spring 67 of the drain valve 60.
Silicon ball valve 7 urged by setting to ²
2, the ball valve 72 made of silicon is opened to drain hot water. The safety valve cap 68 holding the drain valve spring 67 is provided with a drain hole 69. The silicon ball valve 72 always has the drain valve spring 6
7 and is seated.

When cold water flows into the inlet 64, the shape memory alloy spring 58 in the raw water inflow passage 56 contracts as shown in the figure, and the piston valve 57 urged by the spring 70 for hot water stopper changes to the state shown in the figure. Return. On the other hand, when high-pressure raw water of 3.5 kgf / cm ² or more flows in from the inlet 64, the silicon ball valve 72 set to 3.5 kgf / cm ² is opened, and the high-pressure raw water is drained from the drain hole 69.

Therefore, even if the high-pressure raw water flows into the switching cock 51, it is ensured that the water purifier is completely protected by preventing it from flowing into the water purifier. In addition, the hot water and the high-pressure raw water are drained by one switching cock 51, and two functions are provided with a simple configuration.

[0022]

As described above, according to the present invention, the column is erected at the center of the base, the antimicrobial activated carbon filter cartridge and the ultra-micro filter cartridge are arranged on the left and right sides of the column, and the raw water hose is mounted on the base. And water purification hose,
Raw water is used as a base, a column, an antibacterial activated carbon filter cartridge, a column, and purified water through an ultra-micro filter cartridge.In a water purifier in which purified water passes through the column, the base, the antibacterial activated carbon filter cartridge of the column, Grooves are provided on both sides of the mounting side of the micro filter cartridge, antibacterial activated carbon filter cartridge,
A water purifier that has a hook and a fixed hook protruding at a location facing the groove on the side of the column of the ultra-micro filter cartridge to attach the antimicrobial activated carbon filter cartridge and the ultra-micro filter cartridge to the column with one touch. Therefore, attachment and detachment of the cartridge is extremely easy.

Further, according to the present invention, a column is erected at the center on the base, and an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are arranged on the left and right sides of the column, and a raw water hose and a purified water hose are connected to the base. And base water, pillar, antibacterial activated carbon filter cartridge, pillar,
Purify water through ultra micro filter cartridge,
In the water purifier that allows the purified water to pass through the pillars and the base, it is a water purifier with a constant flow valve installed in the raw water inflow passage, so even in high-pressure areas of the water supply, the raw water is sufficiently purified by keeping the inflow of tap water constant. Can be done.

Further, according to the present invention, a column is erected at a central portion on a base, and an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are arranged on the left and right of the column.
Connect the raw water hose and purified water hose to the base, and connect the raw water to the base, pillar, antibacterial activated carbon filter cartridge, pillar,
Purify water through ultra micro filter cartridge,
In a water purifier that allows purified water to pass through a pillar and a base, the base into which the raw water hose and the water purification hose enter is a sealed water purifier, so cockroaches do not enter the water purifier and are unclean. You won't get sick or uncomfortable.

Further, the present invention further provides a column in the center on the base, an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge disposed on the left and right sides of the column, and a raw water hose and water purification on the base. Connect the hose,
It is a switching cock of a water purifier in which raw water is purified through a base, a pillar, an antibacterial activated carbon filter cartridge, a pillar, and an ultra-micro filter cartridge, and the purified water is passed through the pillar and the base. The spring is extended by the alloy spring so that it can be freely opened and closed in the raw water inflow path. When hot water flows in, the shape memory alloy spring expands and the piston valve shuts off the raw water inflow path, shuts off the raw water inflow path, and at the same time, the raw water inflow The hot water is drained by opening the drain valve that communicates with the channel with the piston valve, and when high-pressure raw water with a predetermined water pressure or higher flows into the raw water inflow path, the drain valve is opened to drain the high-pressure raw water. Because it is a cock, it is possible to drain hot water and high-pressure raw water with a single switching cock.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a water purifier according to one embodiment of the present invention.

FIG. 2 is a perspective view showing a hook and a fixing hook of the ultra-micro filter cartridge.

FIG. 3 is a perspective view showing a state in which an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are mounted.

FIG. 4 is a perspective view showing a state in which the ultra-micro filter cartridge has been mounted.

FIG. 5 is a perspective view showing a state where the mounting of the ultra-micro filter cartridge is about to be completed.

FIG. 6 is a perspective view of a state where a super micro filter cartridge has been removed.

FIG. 7 is a perspective view of a state where removal of the ultra-micro filter cartridge is about to be completed.

FIG. 8 is a longitudinal sectional view of a main part of a switching cock of the water purifier of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Base 2 ... Column 3 ... Antibacterial activated carbon filter cartridge 4 ... Ultra micro filter cartridge 5 ... Raw water hose 12 ... Purified water hose 34 ... Groove 35 ... Groove 32 ... Hook hook 33 ... Fixed hook 36 ... Constant flow valve 39 ... Bottom Lid 51 ... Switching cock 52 ... Body 53 ... Cap 54 ... Switching lever 56 ... Raw water inflow path 57 ... Piston valve 58 ... Shape memory alloy spring 59 ... Water supply port 60 ... Drain valve 64 ... Inlet 65 ... Outlet

Claims (4)

(57) [Claims] 1. A column is erected at a central portion on a base, an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are arranged on the left and right sides of the column, and a raw water hose and a purified water hose are connected to the base, and raw water is supplied. In a water purifier that purifies water through a base, a pillar, an antibacterial activated carbon filter cartridge, a pillar, and an ultra-micro filter cartridge, and passes purified water through the pillar, the base, the antibacterial activated carbon filter cartridge of the pillar, an ultra-micro filter Grooves are provided on both sides of the mounting side of the cartridge, anti-bacterial activated carbon filter cartridge, ultra micro filter Attach cartridge to pillar with one touch A water purifier characterized by the following. 2. A column is erected at the center of the base, an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are arranged on the left and right sides of the column, a raw water hose and a purified water hose are connected to the base, and raw water is supplied. Purifying water through a base, a pillar, an antibacterial activated carbon filter cartridge, a pillar, and an ultra-micro filter cartridge, and installing a constant flow valve in the raw water inflow path in a water purifier that allows purified water to pass through the pillar and the base. Characterized water purifier. 3. A column is erected at the center of the base, an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are arranged on the left and right sides of the column, and a raw water hose and a purified water hose are connected to the base to supply raw water. Water is purified through the base, pillar, antibacterial activated carbon filter cartridge, pillar, and ultra-micro filter cartridge.In the water purifier that allows purified water to pass through the pillar and base, the base into which the raw water hose and water purification hose enter is sealed. A water purifier characterized by: 4. A column is erected at the center on the base, an antibacterial activated carbon filter cartridge and an ultra-micro filter cartridge are arranged on the left and right sides of the column, and a raw water hose and a purified water hose are connected to the base. A water purifier with a base, column, antibacterial activated carbon filter cartridge, column, and ultra-micro filter cartridge to purify water. When the hot water flows in, the shape memory alloy spring expands and the piston valve shuts off the raw water inflow path, shuts off the raw water inflow path, and simultaneously opens the raw water inflow path. The communicating drainage valve is opened by a piston valve to drain hot water, and when high-pressure raw water of a predetermined water pressure or more flows into the raw water inflow passage, the drainage valve is opened. A switching cock that drains high-pressure raw water.