JPS6186915A - Water purifier - Google Patents

Abstract

PURPOSE:To facilitate the replacement of a cartridge and to miniaturize a whole, by forming an inflow for sucking raw water and an outflow port for flowing out purified water and attaching the cartridge directly filling a filter material to a hollow change-over main body in a freely detachable manner. CONSTITUTION:A water purifier main body 1 consists of a hollow change-over main body 3 attached to the spout 2 of a water pipe in a freely detachable manner and a cartridge 4 attached to and detached from the upper surface of said change-over main body 3. When a rotary valve 40 is revolved and purified water is supplied raw water is flowed through a receiving port 42, an inflow port 10 and a porous filter 20 to be purified by a filter material 30 while the purified water is flowed to bubble holes 62 through an outflow port 11 and a supply port 44 and, when a shower is supplied, raw water is flowed to shower holes 61 through the receiving port 42, a second through-hole 77 and an insert hole for a shower and, when raw water is supplied, said raw water is flowed to the bubble holes 62 through the receiving port 42, the hollow part of the rotary valve 40, a second through-hole 77 and the supply port 44.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial application field The present invention relates to a water purifier that purifies raw water from a tap by pressing. As can be seen in the official gazette or Japanese Utility Model Application Publication No. 5°4-29966,
First, a container filled with activated carbon is attached to the main body, and then an outer box case is attached to cover this container, and a raw water inflow path is formed between the inner wall of the outer box case and the outer wall of the container. It was configured to do this.

However, with such a configuration, the filtration ability of the pusher is reduced, and when changing the container, the outer box case must first be removed, which is troublesome and has the disadvantage of complicating the structure.

C→ Problems to be Solved by the Invention Therefore, an object of the present invention is to make it easier to replace the cartridge for filling the presser, and to reduce the overall size of the cartridge.

B) Means for Solving the Problems The present invention provides a cartridge in which an inlet for inlet of raw water and an outlet for sending out purified water are formed in the cartridge, and the press is directly filled with the cartridge. It has a structure in which it is attached to a hollow switching body so that it can be freely removed.

(e) Effects The above structure makes it easy to replace the cartridge and eliminates the need for an outer box case as in the past.

((f) Example (1) is a water purifier body, which includes a hollow switching body (3) that is detachably attached to the water faucet T21, and a cartridge (4) that is detachably attached to the top surface of the switching body (3). ) and constitute the whole.

The cartridge (4) has an outer shell formed of an outer case (5) molded from a hard resin and has a cylindrical shape with an open bottom, and an outer screw for screwing ( 6) is molded. At the lower opening of the outer case (5), four integrally molded locking claws (7) are connected to locking portions (8) formed on the inner circumferential wall of the outer case (51). A bottom plate (9) is provided by combining the bottom plate (9) with the outer periphery of the bottom plate (9) and the inner periphery of the lower part of the outer case (5). an outlet αD for sending purified water is formed in the central part,
An annular engagement ridge (12) is formed around the outlet αυ. A plurality of ribs OJ... are vertically provided on the inner wall of the outer case (5). The circle is a partition cylinder disposed inside the outer case (5), and the rib (131
A cylindrical part αe forming an upper step part - that is locked to the cylindrical part αe, an annular flange part aη formed around the lower part of the cylindrical part The connecting portion (18) is formed, and a cylindrical covering portion α9 is formed on the connecting portion α8). Note that this interval (Sl
) becomes the raw water distribution section. ■ is a cylindrical porous filter, which is white in color and is clamped and fixed between the bottom plate (9) and the flange (19a) of the cover α (support), and has a suction passage (■) for inhaling raw water. It is formed around the inner wall of the outer case (4). The nonwoven fabric filter (-) is engaged with the central step of the engaging jetty (2).

The lower surface of the flange 07 and the upper surface of the engaging jetty wr are watertightly engaged through a ring-shaped packing.

An inflow passage is formed by the inner wall marked with the covering part α, the upper inner wall of the outer case (5), and the outer wall of the cylindrical part C16), and the inflow passage (5) is passed through the porous filter (2) and the suction passage. and communicates with the inflow port α0).

In addition, in the inner space of the cylindrical portion (161), the inflow passage -
A detour (forming a ball) communicating with the ribs (13)...a plurality of communication guide openings (S2) are formed at equal intervals between the ribs (13). (S2)
The inlet passage (oil) and the detour passage (28) are in communication with each other.The inlet passageway and the detour passage (2) are directly filled with furnace material (2) made of activated carbon, and this furnace material (2) is It is used to remove chlorine, chlorine, etc. contained in raw water.The porous filter is used to remove turbidity from the raw water, and the nonwoven filter (24) is used to remove the furnace material (30). Further, the inflow passage is formed over the entire outer circumference of the cylindrical portion (formerly).

The outer case (5) facing the porous filter has a transparent part (2), and the other part of the back surface is textured to form an opaque part (goods). This is to make it easier to see the change in stains on the porous filter (2) from white to brown due to long-term use, and to confirm when to replace the cartridge (4).

The switching main body (3) has an elongated hollow shape as a whole, and has a receiving port (2) which forms an insertion cylinder portion through which the rotary valve (8) is inserted and rotated, and which communicates with the faucet (2). 42I, and the outlet (a communication port communicating with 11J)
0 and a supply port that supplies raw water or purified water to the outside (
They each form lead.

A rotary coupling body (a) for coupling to the faucet (2), a coupling guide body (pull), a ring packing (47), and a rotary screw (fixing) are disposed at the opening of the receiving opening. The upper surface of the main body (3) is formed with an annular mounting bulge (51) having an inner screw (2) into which the outer screw (6) of the outer case (5) is screwed, and is opposite to the communication port (431). On the opposite side, the supply port (forming a fence) is formed.

Further, on the upper surface of the switching body (3), a guide port (support) is formed which has an on-off valve (end) that communicates with the communication port (431 and the inflow port 00).

The field is a shower/foam generating member attached to the lower side of the switching main body (3), and forms a shower hole (61J... and a foam hole M. Only raw water flows from the shower hole! 61). Raw water or purified water is sent out from the foam bag, but considering the force of the water, it is the raw water that is effective as foam. The generation member (goods) that generates foam consists of two plate-shaped wire meshes (65+ (65), one conical wire mesh ((to)), and one plate-shaped punched plate (@).
During foam flow, outside air is sucked through the shower hole (61) and guided into the inside from the plate-shaped punching plate (mouth). It can also be used as a mouth.

At the lower part of the switching main body (3), the insertion tube part (41) is provided.
A spring (2) is interposed to cause the ball τ to protrude inward, thereby controlling the rotary valve. A protrusion guide portion (2) for preventing removal of the rotary valve +401 and for guiding the rotation is integrally formed.

The rotary valve (40) is made of a long hollow pipe that is inserted into the insertion tube (41), and one end is open so as to communicate with the receiving port (transfer), and the other end has a knob for rotation. (a first through hole (to) that has a field and reaches a hollow part that can communicate with the guide port (to), and a second through hole that reaches a hollow part that can communicate with the supply port taO or the shower hole sub) 3 joint holes (78) that receive and hold the ball [phase].
@ (Ill) and a guide groove (goods) that guides purified water from the communication port (431) to the supply port (lead) are formed. Also, a guide recess that guides the protrusion guide portion (2) is formed. Place (2)
A band-shaped packing can that also forms and seals (□□□, @
is installed.

In addition, (the hole is the insertion hole for the shower drilled in the insertion cylinder part (41J), and the hollow part of the rotary valve (a) and the shower hole (
61).

To explain the operation of such a configuration, when supplying purified water, as shown in Fig. 4, the knob is rotated to rotate the rotary valve (a), and its joint hole (@) is engaged with the ball (to). The first through hole (2) communicates with the guide port (2), and the guide groove communicates with the communication port (43I) and the supply port (44).

First, the raw water is inlet (41 → open bottom ■ → hollow part of rotary valve →
1st through hole (end) → guide port (support) → inlet αα → many,
Then, the purified water is supplied externally by flowing from the outlet αD to the slow outlet to the guide groove [F]υ to the supply port (lead to the foam hole).

Next, when supplying a shower, as shown in Figure 5 (
Rotate the rotary valve (40) further from the state shown in FIG.
The second through-hole surface communicates with the shower insertion hole (1). By doing so, the raw water flows through the intake port (O → Opening hole → Second through hole (capital) → Shower insertion hole m → Shower hole @D, and is supplied to the outside in a shower state. , when supplying raw water,
As shown in Fig. 6, the rotary valve (effect) is further rotated to engage the joint hole through the ball □□□, close the guide port - and the shower insertion hole ■, and connect the second through hole The raw water is connected to the supply port (goods).By doing so, the raw water is transferred to the receiving port (0 → opening → rotary valve (hollow part of the grip → second through hole nn → supply port (44) → foam hole ( The force of the raw water flows as shown in the figure, turning it into foam and supplying it to the outside.

(G) Effects of the Invention Since the present invention is constructed as described above, the outer box case as in the conventional case is omitted, making it convenient to install and replace the cartridge, and the overall shape is reduced by the outer box case. It is smaller in size, makes it easier to visually determine when to replace the cartridge, and also simplifies the cartridge attachment mechanism of the switching main body.

[Brief explanation of the drawing]

Fig. 1 is a schematic sectional view of the water purifier of the present invention, Fig. 2 is a perspective view of the rotary valve, Fig. 3 is a side view of the same, and Fig. 4 is a sectional view of the main part when purified water is supplied. Figure 1 is a sectional view taken along A-^, (b) is a sectional view taken along line C-C, (c) is a sectional view taken along line C-C, and Figure 5 is a sectional view taken along line C-C. In the partial sectional view,
(A), (B), (C), and 4 are (A) in Figure 4), (
Fig. 6 is a sectional view of the main parts when raw water is supplied, and Fig. 6 is a sectional view of the main parts when raw water is supplied.
is the first corresponding to
It is a sectional view of each part of the figure. (3)...Switching body, (4)...Cartridge, (
1α... Inlet, (11)... Outlet, (1)...
・Furnace materials. Applicant: Sanyo Heavy Industries Co., Ltd. and one other representative: Shizuo Sano, patent attorney Figure 1 Figure 4, A.
. . . Figure 5

Claims (1)

[Claims] (1) A water purifier comprising a hollow switching body that is connected to a water faucet to suck in raw water and then supply purified purified water to the outside, and a cartridge that is attached to and detached from the switching body, as described above. A water purifier characterized in that the cartridge is directly filled with a filter medium and has an inlet for inlet of raw water communicating with the switching body and an outlet for sending out purified water after being purified by the filter medium.