JP2001334260A - Water purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a water purifier which can be segregated easily when disposed of as waste, can be recycled, and can save resources and wastes. SOLUTION: The water purifier is composed of a head 1 with its lower surface opened and a water purifier main body. The main body has a case 3 with its upper surface opened, a water collecting tube 5 arranged in the middle of the case, and a filter 6. The case is engaged with the head, and the main body is fitted to the lower surface opening of the head. The case of the main body is molded from a single material of a synthetic resin or a metal, a groove is formed on the inner circumference on the opening side of the case, a fixture 9 for fixing the filter, the tube, etc., by engaging with the groove and rotating is provided, and water passage ports 5b are formed in the lower part of the tube.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier used in ordinary households or vending machines, and more particularly to a water purifier which can be easily separated at the time of disposal.

[0002]

2. Description of the Related Art FIG. 8 shows a conventional example of a detachable water purifier.
There is something like that shown in FIG. 8 is a sectional view of a cartridge type water purifier. In the figure, 1 is a head and 2 is a water purifier main body. The head 1 has an opening at its lower surface, an inflow port 1a and an outflow port 1b, and an engagement piece 1e provided on an inner peripheral portion. The water purifier main body 2 is provided with a filtering means that fits into the lower surface opening of the head 1, and includes a cylindrical case 11, a filtering material 4, a water collecting pipe 5, an annular filter 6, a pipe-shaped filter 7, and a packing 12. Consists of The case 11 has a double structure in which an inner case 11a made of a synthetic resin and an outer case 11b made of a metal such as aluminum are fixed with an adhesive or the like in order to increase the pressure resistance and the impact resistance of the water purifier body 2. And A protrusion 11c is provided on the outer periphery of the upper part of the outer case 11b, and the protrusion 11c and the engagement piece 1e of the head 1 are connected. The filtering material 4 is made of activated carbon or the like, and an annular filter 6 is attached to the upper part thereof. The water collecting pipe 5 has a pipe-shaped filter 7 having one end closed at its lower part, and a fixing groove (not shown) provided inside the inner case 11a also at the upper part.
Adhesively fixed. The annular filter 6 is also adhesively fixed to the water collecting pipe 5 and the inner case 11a, respectively.
As described above, the inner case 11a, the water collecting pipe 5, the filter 6, and the filter 7 are bonded to each other in order to fix and hold the respective components and prevent leakage of the filter medium such as activated carbon. In addition, the upper end outlet 5 a of the water collecting pipe 5 communicates with the outlet 1 b of the filtered water provided in the head 1. An operation of fitting the protrusion 11c of the water purifier main body into the engaging piece 1e of the head 1 and then rotating the water purifier main body 2 in the direction of the stopper of the engaging piece 1e allows the water purifier to be opened at the lower end opening of the head 1. Body 2
However, it can be securely mounted against the water pressure applied inside. When raw water is passed through the inlet 1a of the water purification apparatus thus attached, the raw water passes through the annular filter 6 and is purified by the activated carbon of the filter material 4. The purified water purified by the activated carbon is collected in the water collecting pipe 5 through the filter 7 and flows out from the outlet 1b. Then, when the filtering ability of the water purifier is reduced and the time for replacement is reached, the water purifier body is removed from the head and replaced with a new water purifier body, and the used water purifier body is discarded.

[0003]

However, since the case of the water purifier body has a structure in which the inner case made of synthetic resin is fixed to the inner surface of the outer case made of metal by an adhesive or the like, it is separated when discarded. It is not possible to cope with the collection, causing problems from the viewpoint of environmental protection. Also, in the internal structure, these components are adhered to each other for holding the components and preventing leakage of the filter medium. Therefore, the water purifier body becomes a composite made of different materials that cannot be separated, and it is difficult to separate and recycle garbage when disposing of the used water purifier body. Accordingly, it is an object of the present invention to provide a water purification apparatus that can be easily separated at the time of disposal, can be recycled, can save resources and waste, and can easily exchange.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a head having a lower surface opening having an inlet for raw water, an outlet for purified water, and a plurality of engaging portions provided on an annular inner wall surface. , A water purifier main body, the water purifier main body is provided with a plurality of protrusions provided on the upper periphery of the upper surface and engaging with the engaging portion on the upper outer periphery, and is disposed at the center of the case and provided at the upper part. A water collection pipe provided with fixed wings for fixing and holding the filter medium,
A filter provided on an upper portion of the fixed wing, between the engaging portions of the head, by inserting a projection of the case and rotating the water purifier body in the direction of the engaging portion. In the water purifier in which the water purifier main body is attached to the lower surface opening of the head, the case of the water purifier main body is formed of a single member, and a groove is provided on the opening side inner periphery of the case, A structure is provided that includes a holder for fixing the filter, the water collecting pipe, and the like by engaging and rotating the groove, and a plurality of water holes provided at a lower portion of the water collecting pipe. Further, the single member is a synthetic resin,
A detachable reinforcing case may be provided outside the case, or a fixing seat for fixing the water collecting pipe may be provided on the inner bottom surface of the case. Further, the single member may be made of metal, and a convex portion or a concave portion for facilitating rotation may be provided on the outer peripheral surface of the case. Further, a filtration sheet for filtration may be provided on an outer peripheral surface of the water collecting pipe, or a minute projection for holding the filtering sheet may be provided on an outer peripheral surface of the water collecting pipe.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. (First Embodiment) A first embodiment of the present invention will be described. FIG. 1 is a perspective view showing a separated state of a water purification apparatus according to a first embodiment of the present invention, FIG. 2 is a side sectional view of FIG. 1, and FIG. 3 is a sectional view taken along line AB in FIG. In the figure, 1 is a head and 2 is a water purifier main body. The head 1 is made of metal (aluminum alloy), has an open lower surface, and has an inlet 1a and an outlet 1b. A plurality of engagement grooves 1c and stoppers 1d are provided on the inner wall surface at appropriate intervals. Water purifier body 2
Consists of a case 3, a filter material 4, a water collecting pipe 5, an annular filter 6, a filter sheet 8, a holder 9 and a packing 12. The case 3 is a cylindrical container made of a synthetic resin alone and open at one end, and has a protrusion 3a provided on the outer periphery on the opening side.
It consists of an inner bottom surface 3c, an outer bottom surface 3d, a packing groove 3e, a grip 3e, and a holder fixing groove 3f. Projection 3
a protrudes from the upper outer periphery of the case 3 at appropriate intervals.
It engages with the engagement groove 1c of the head 1. The inner bottom surface 3c
It has a structure curved concavely toward the outside, so that the water pressure applied to the inside of the water purifier main body 2 is equalized as a whole. The outer bottom surface 3d is horizontal,
Even when the water purifier main body 2 is installed on the floor, it can be stably upright. The grip 3e has a concave groove in the longitudinal direction. The holder fixing groove 3f is a helical groove provided on the upper inner periphery of the case 3, and the holder 9 is engaged and rotated downward to move downward. The fixed seat 3g is provided at the center of the inner bottom surface 3c, and is attached to the main body of the water collecting pipe 5. The filter material 4 is made of granular activated carbon or ion exchange resin, and the annular filter 6 is made of synthetic fiber such as polypropylene fiber. The water collecting pipe 5 includes a water collecting pipe main body, an upper end outlet 5a, a water inlet 5b, a fixed wing 5c, and a bypass 5d. The upper outlet 5a communicates with the outlet 1b of the head 1.
The fixed wings 5c are integrally formed in a cross shape on the upper part of the water collecting pipe main body, position the water collecting pipe main body in the center of the case 3, and hold the filtering material 4. All these parts are assembled without gluing as follows. The bypass port 5d is provided in the upper part of the water collecting pipe main body, and a part of the tap water supplied from the inlet 1a of the head 1 is collected by the water collecting pipe 5d.
Utilizing the sterilizing ability of chlorine by mixing it into the clean water inside. FIG. 4 shows a partially enlarged cross-sectional view of the water collecting pipe 5. 5f is a minute projection provided on the surface of the water collecting pipe main body. The fine projections 5f prevent the filter sheet 8 from falling off. The water purifiers of the present invention are all assembled without bonding as follows. The filter sheet 8 is wound around the water collecting pipe 5 and the filter sheet 8 is fixed. The water collecting pipe 5 is mounted on the fixed seat 3 g of the case 3. The filter material 4 is filled from between the cross-shaped fixed blades 5c. The annular filter 6 is loaded. The holder 9 is placed from above the annular filter 6, is engaged with the holder fixing groove 3 f, and is rotated and fixed while pressing the filter 6. The water purifier body 2 is mounted on the engagement groove 1c of the head 1 and rotated to the stopper 1d. As a result, the water purifier main body 2 is securely attached to the lower end opening of the head 1 and is firmly attached to the water pressure applied to the inside thereof, and the assembly of the water purifier is completed. Next, the operation will be described. The raw water entering the water purifier main body 2 through the inlet 1a is filtered through a filter 6 to remove turbid components and the like contained in the raw water, and the secondary water is filtered by a filtering material 4 made of granular activated carbon provided below. Filtration is performed. Further, the filtered water passes through the filter sheet 8 of the water collecting pipe 5, enters the water collecting pipe 5 from the water inlet 5 b, and is sent to the destination through the upper end outlet 5 a and the outlet 1 b of the head 1. When the use of the water purifier has progressed and the processing capacity of the filter medium 4 has reached its limit, when the water purifier body 2 is replaced, the water purifier body 2 is turned in the opposite direction to the stopper 1d and pulled downward.
The water purifier main body 2 can be removed from the head 1. When a new water purifier body 2 is installed in the above-described manner, it can be used again. When the removed water purifier body 2 is discarded, the case 3, the filter 6, the water collecting pipe 5, the filter material 4, the holder 9 and the like can be easily disassembled in the reverse order of the above-described assembling order. Can be easily separated. In this way, the water purifier body is made of synthetic resin only, and the inner bottom structure is concave, so that a large durability performance against water pressure can be obtained. It is easy to separate and dispose of the waste without becoming complex waste. (Second Embodiment) A second embodiment of the present invention will be described. FIG. 5 is a perspective view showing a separated state of the water purification apparatus according to the second embodiment of the present invention, and FIG. 6 is a side sectional view of FIG. In this embodiment, the first
This is an example in which a reinforcing case is provided in case 3 of the embodiment. In the figure, reference numeral 10 denotes a reinforcing case made of a synthetic resin, 10a denotes an inner peripheral screw, and 3b denotes an outer peripheral screw. Other components are the same as in the first embodiment. The inner diameter of the reinforcing case 10 is slightly larger than the outer diameter of the case 3 and the outer bottom 3
The outer peripheral screw 3b and the inner peripheral screw 10a of the reinforcing case 10 are securely attached so as to cover the area from d to the position of the head 1. The assembly procedure and the disassembly procedure are the same as in the first embodiment. By providing the reinforcing case 10,
Even if abnormal water pressure acts on the water purifier body, it will not be destroyed and safety can be ensured. The method of filtration and the method of replacing the filter medium 4 are the same as in the first embodiment, and the separation of waste can be easily performed. In the present embodiment, the mounting method is a screw type, but is not limited to this, and another method may be used. Although the reinforcing case covers the entire water purifier main body, the mounting position of the reinforcing case may be only at the bottom of the water purifier main body which is most stressed by water pressure in the water purifier main body. As described above, by attaching a reinforcing case made of metal or synthetic resin to the water purifier main body, the thickness of the water purifier main body made of synthetic resin can be set to be thin, and resources and waste can be saved. . In addition, the reinforcing case is economical because it can be detachably attached to the water purifier main body and can be used repeatedly. (Third Embodiment) A third embodiment of the present invention will be described. FIG. 7 is a side sectional view of a water purification device according to a third embodiment of the present invention. This embodiment is an example in which the case is a single member made of an aluminum alloy. Since the case is made of an aluminum alloy, the fixing seat 3g is not required, so that the end of the water inlet 5b of the water collecting pipe 5 is closed, and the case becomes simple. Other structures of the water collecting pipe 5 and the structure of the head are the same as those of the first embodiment. Therefore, operations such as an assembling procedure and a disassembling procedure are the same as those in the first embodiment. In addition to the effects described in the first embodiment, the case may be used repeatedly. The metal case has excellent durability and is suitable for recycling. In this embodiment, an aluminum alloy is used as the material of the case. However, the present invention is not limited to this. Any stainless steel or copper alloy can be used as long as it has good corrosion resistance and moldability.

[0006]

As described above, according to the present invention, in the water purifier comprising the head and the water purifier main body, since the case of the water purifier main body is formed of a single member, a large durability performance against water pressure is obtained. This has the effect of providing a water purification device that can be easily separated and easily removed when disposed. In addition, since the filter, the fixed wings of the water collection pipe, and the holder for fixing and holding the filter material are provided, the components that make up the water purifier main body are held and fixed without bonding to each other, thereby disassembling the water purifier main body. It is possible, and by disassembling each part after use, each part can be recycled or separated and discarded. In addition, since the reinforcing case is attached to the water purifier main body, the case thickness of the synthetic water purifier main body can be set to be thin, enabling resource saving and waste saving, and being removable. It is economical because it can be used repeatedly.

[Brief description of the drawings]

FIG. 1 is a perspective view of a water purification device according to a first embodiment of the present invention.

FIG. 2 is a side sectional view of the water purification device according to the first embodiment of the present invention.

FIG. 3 is a sectional view taken along line AB in FIG. 2;

FIG. 4 is a partially enlarged sectional view of the water collecting pipe of FIG. 2;

FIG. 5 is a perspective view of a water purification device showing a second embodiment of the present invention.

FIG. 6 is a side sectional view of a water purification apparatus showing a second embodiment of the present invention.

FIG. 7 is a side sectional view of a water purification device showing a third embodiment of the present invention.

FIG. 8 is a side sectional view showing a conventional water purifier.

[Explanation of symbols]

 1: Head 1a: Inlet 1b: Outlet 1c: Engagement groove 1d: Stopper 1e: Engagement piece 2: Water purifier main body 3: Case 3a: Projection 3b: Outer peripheral screw 3c: Inner bottom surface 3d: Outer bottom surface 3e: Packing groove 3f: Holder fixing groove 3g: Fixed seat 4: Filter material 5: Water collecting pipe 5a: Upper end outlet 5b: Water inlet 5c: Fixed blade 5d: Bypass port 5e: Grip 5f: Micro projection 6, 7: Filter 8: Filtration sheet 9: Holder 10: Reinforcement case 10a: Inner circumference screw 11: Case 11a: Inner case 11b: Outer case 11c: Projection 12: Packing

Claims (8)

[Claims] 1. A water purifier main body, comprising: a head having a lower opening having an inlet for raw water, an outlet for purified water, and a plurality of engaging portions provided on an annular inner wall surface; Is a case provided with a plurality of protrusions provided on the outer periphery of the upper surface and being engaged with the engaging portion, and a water collecting pipe provided at a central portion of the case and provided with fixed wings at the upper portion for fixing and holding the filter medium. When,
A filter provided on an upper portion of the fixed wing, between the engaging portions of the head, by inserting a projection of the case and rotating the water purifier body in the direction of the engaging portion. A water purifier in which the water purifier main body is attached to a lower surface opening of the head, wherein a case of the water purifier main body is formed of a single member, and a groove is provided on an inner periphery of an opening side of the case; A water purifier comprising: a holder for fixing the filter, the water collecting pipe, and the like by engaging with the groove and rotating the water collecting pipe; and a plurality of water holes provided in a lower part of the water collecting pipe. 2. The apparatus according to claim 1, wherein said single member is made of a synthetic resin.
The described water purification device. 3. The water purifier according to claim 2, wherein a fixing seat for fixing the water collecting pipe is provided on an inner bottom surface of the case. 4. The water purification apparatus according to claim 2, wherein a removable reinforcing case is provided outside the case. 5. The water purifier according to claim 1, wherein said single member is made of metal. 6. The water purification device according to claim 1, wherein a convex portion or a concave portion for facilitating rotation is provided on an outer peripheral surface of the case. 7. The water purification apparatus according to claim 1, wherein a filtration sheet for filtration is provided on an outer peripheral surface of the water collecting pipe. 8. The water purifier according to claim 7, wherein a fine projection for holding the filter sheet is provided on an outer peripheral surface of the water collecting pipe.