JPH10174816A - Purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To change the filter bodies without touching the surface of the filter body with the hand by opening the upper part of a vessel by a lid when the filter body is contaminated, detaining the filter body with a detaining and releasing means, releasing the filter body at a dumping place and dropping the filter body by gravity. SOLUTION: When the filter mediums are changed, a lid 5 at the upper part of a main body is screwed and detached. Consequently, the upper lid 5 is detached along with an integrated filter 2 by a clamping mechanism 6. The upper lid 5 is held with the hand, an operating knob 15 is turned through an angle of 90 deg. to move the lid to a release position, hence a movable claw 21 is drawn in by a return spring 25, and the filter 2 is dropped by gravity. Meanwhile, when a fresh filter 2 is reset, the lower end of a cylindrical core 37 is aligned with a guide at the bottom of a housing and placed thereon, the upper lid 5 is screwed in the housing, hence the clamping mechanism 6 of the upper lid 5 is forced into the upper part 21 of the fresh filter 2 by itself, and the setting is completed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a purification device for purifying and filtering water by passing water through a container provided with a filter.

[0002]

2. Description of the Related Art As one example of a purifying apparatus widely used in the past, there is a purifying apparatus as shown in FIG.

[0003] This is a type of forced circulation filtration device for bath water attached to a home bath tub, which purifies the water while forcibly circulating the bath water all day and keeps it at a desired bathing temperature so that it can be bathed in clean hot water 24 hours a day. Further, this is an example of a purification tank incorporated in the circulating purification apparatus 100 which is recognized in the market for further exchanging hot water for a long time.

[0004] Inside the septic tank 101, a filter material storage container 105, which is a mesh-like bucket, in which a filter material 103 such as a porous ceramic ball is stored, is detachably stored. The contaminated water enters the septic tank 101 from the inlet 107 at the bottom, is purified while passing through the filter medium 103, and is drawn out from the outlet 109 provided on the upper wall.

[0005] Since the filter material is used for a certain period of time and the filter material 103 in the filter material storage container 105 is clogged with dirt, the purifying ability and the flow rate are reduced. In order to revive the filter, the filter material 103 must be periodically cleaned.

As this means, a method of flowing water in the opposite direction while mechanically stirring to discharge dirt (backwashing method),
2. Description of the Related Art A system in which a filter medium is taken out and hand-washed is widely used. For the latter, many products usually recommend cleaning every 1 to 6 months. According to this method described in this example, the lid 111 of the septic tank is removed, and the filter medium storage container 105 and the filter medium container 105 are once removed from the septic tank 101, and the inner filter medium 103 is taken out into a bucket or the like and washed with tap water. No.

[0007]

However, in the conventional purifying device, the water flow is hindered by the elapsing of the dirt film and the clumps adhering to the surface of the filter with the passage of time.
Since clogging occurs, periodic replacement work is necessary, and such work has a problem that it is dirty and unpleasant.

[0008] The present invention has been made to solve the above-described problems, and uses a disposable filter to provide:
It is an object of the present invention to provide a purifying device that can be replaced without directly touching the surface of a filter.

[0009]

In order to achieve this object, a purifying apparatus according to claim 1 of the present invention has a filter for filtering circulating water and a filter for accommodating the filter. Container, and a lid that opens and closes the top of the container,
An inlet for allowing water to flow into the filter, and a water outlet for allowing the water filtered by the filter to flow out, wherein the water flowing into the container from the water inlet is the filter. It is possible to lock or release the filter body in a state where at least the upper part of the container is opened on the lid, in which the filter body is configured to pass while receiving the filtering action and to be led out to the water outlet. Lock release means. Therefore, at the time of use, in a state where the upper portion of the container is closed by the lid, water flowing into the container from the water inlet passes through the filter while undergoing a filtering action, and is led out to the water outlet. You. On the other hand, when the filter is contaminated, the filter is locked by the locking release means in a state where the upper portion of the container is opened by the lid,
When the filter is released at a disposal place such as a trash can,
The filter body falls by its own weight.

Further, in the purifying apparatus according to the present invention, the filter body is formed of a hollow filter medium having a void in a central portion, and the lock releasing means locks or locks the hollow filter medium on its inner peripheral surface. It is configured to release. Therefore, the lock release means locks or releases the hollow filter medium on its inner peripheral surface.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

The purifying apparatus according to the present embodiment is installed, for example, in a bathtub water circulation purifying apparatus widely used in recent years, or in the middle of piping around water in an air conditioning system.

The internal structure of the main body 1 is substantially cylindrical as shown in FIG. 1, and is roughly divided into a transparent plastic housing 3 in which a cylindrical disposable filtration filter 2 is housed and in which the inside can be observed. It comprises an upper lid 5 to which a clamp mechanism 6 is attached. In addition, filtration filter 2
, The filter body and the hollow filter medium of the present invention, the housing 3 constitutes a container, the upper lid 5 constitutes a lid, and the clamp mechanism 6 constitutes a lock releasing means.

The upper lid 5 can be detached from the housing 3 when the filter 2 is replaced, and is assembled in a watertight manner with the screw 7 and the packing 9.

As shown in FIGS. 2 and 3, the clamp mechanism 6 includes a flange portion 1 for the upper end surface of the filter 2.
1. Upper gasket 1 bonded to its flange 11
3. It comprises an operation knob 15, a cylinder 17, a shaft screw 19, a movable claw 21, and a return spring 25 of the movable claw 21. The return spring 25 is a coiled compression spring. One end of the return spring 25 is engaged with the movable claw 21 and the other end is engaged with the flange portion 11. Is pressed.

The clamp mechanism 6 employs a helicoid mechanism as the principle of clamping. That is, the rotation of the shaft screw 19 given by the operation knob 15 at the center of the upper surface of the upper lid 5 is converted into the axial movement of the cylinder 17, and the movable claw 21 is moved in and out in the radial direction so that the inner diameter of the end face of the filtration filter 2 is expanded in the expansion direction. It is to clamp.

The flange portion 11 is a plastic straw hat-shaped part having four movable claws 21 provided on a central cylindrical surface. The inner cylindrical surface is provided with a detent formed in a D-shaped horizontal cross section to restrain the rotational movement of the cylinder 17 and allow only axial movement. The movable claw 21 penetrates the positioning hole of the flange portion 11, and slides up and down on the tapered surface 23 formed at the lower portion of the cylinder 17 and expanded upward by the rotation of the shaft screw 19, so that the radius is increased. It is configured to go in and out of directions.

FIGS. 2 and 3 are detailed cross-sectional views in which the clamp mechanism is enlarged.

FIG. 2 shows a clamped state, and FIG. 3 shows a released state.

In FIG. 2, the cylinder 17 is pushed down by the rotation operation of the operation knob 15, and the tapered surface 23 is pressed.
The movable claw 21 is pushed out in the radial direction.

On the other hand, in FIG. 3, the cylinder 17 is pulled up by the rotation operation of the operation knob 15, and the tapered surface 23 is raised, so that the movable claw 21 is pushed back toward the center by the return spring 25 and is retracted.

On the upper part of the housing 3, an air release hose 2 is provided.
7 to discharge air in the container at the start of water flow.
A water outlet 29 is formed at the center of the bottom of the housing 3, and a water inlet 31, which will be described later, protrudes from the outer periphery thereof. Piping hoses 33 and 35 are connected to the water outlet 29.

In the filter 2, a density gradient is obtained such that a thread 39 made of a bundle of fibers such as polyester, polypropylene, and cotton is made denser and coarser outward from the cylindrical core in a perforated cylindrical core 37 made of polypropylene. The wound structure is generally referred to as a wound filter, and various kinds of particles having a trapped particle size of 0.5 to 150 microns are prepared. A large number of holes 41 are provided in the cylindrical core 37, and water enters from around the bobbin, is filtered while passing through the space, and reaches the internal space 43 of the cylindrical core 37 via the holes 41. Filtration filter 2
On the lower side of the container, the lower gasket 45 is in water-tight contact. Further, on the upper lid 5 side, as described above, the upper gasket 13 bonded to the flange portion 11 of the clamp mechanism 6 is fixed and held in a compressed state in the cylindrical axial direction.

The water outlet 29 provided at the center communicates with the internal space 43 of the cylindrical core 37 at the lower end of the filter 2.

Next, the flow of water in actual filtration will be described. This type of purifying apparatus is used in a state called pressure filtration, in which water is passed through a filter medium while the contaminated water side is pressurized by a pressure pump.

FIG. 1 illustrates the water flow in a purified state by arrows in the figure. The contaminated water introduced into the main body 1 from the water inlet 31 rises and reaches the outer wall surface of the filter 2.

Subsequently, the water passes through the filter 2 from the outer wall surface toward the thread 39, the hole 41 of the cylindrical core 37 and the center, and is filtered to reach the internal space 43.

Here, as described above, from 0.5 μm, 1
Captures dirt of small particle size such as dirt of about 50 microns.
Thereafter, a water outlet 29 protruding from the center of the bottom of the housing 3.
To achieve the purpose of purification of contaminated water.

Next, a description will be given of a procedure in the case where the cleaning device of the present embodiment performs a periodic inspection and a daily replacement work of the filter medium.

First, the upper lid 5 is removed from the upper part of the main body 1 by twisting. Then, the upper lid 5 is detached by the clamp mechanism 6 in a state where the filtration filter 2 is integrally attached.

The operation knob 15 is held by holding the entire upper lid 5 by hand.
Is rotated 90 degrees and moved to the release position,
Since the movable claw 21 is pulled in by the return spring 25, the movable claw 21 falls off by its own weight of the filtration filter 2. If this operation is performed on a disposal place such as a recycle bin, the disposal operation can be performed comfortably without directly touching the dirty filtration filter.

To reset a new filtration filter 2, the cylindrical core 3 is attached to the guide 47 at the bottom of the housing 3.
It is completed only by placing the 7 lower ends together. That is, if the upper cover 5 is twisted and attached to the housing 3 again, the clamp mechanism of the upper cover 5 naturally enters the upper portion of the new filtration filter 21 and the setting is completed.

As described above, in the purifying apparatus of the present embodiment, the operation of replacing the filtration filter 2 can be performed extremely easily. Further, the clamp mechanism 6
Locks the filtration filter 2 on the inner peripheral surface of the cylindrical core 37, so that the clamp mechanism 6 can be made compact, does not interfere with the passage of water, and effectively uses the entire filtration filter 2. To perform filtration.

[0034]

As is apparent from the above description, the purifying apparatus according to the first aspect of the present invention provides a filter for filtering circulating water and a filter for accommodating the filter so that it can be taken out. A container, a lid for opening and closing the upper part of the container, a water inlet for flowing water into the filter, and a water outlet for flowing water filtered by the filter, and The water that has flowed into the container is intended to be configured so that the water passes through the filter while being subjected to the filtering action and is led out to the water outlet.In particular, the lid has at least the upper part of the container opened. And a lock releasing means capable of locking or releasing the filter body in the closed state. Therefore, by using the disposable filter, the conventional cleaning work is released, and in the replacement of the filter, the workability is improved because the filter can be replaced without directly touching the surface of the filter. There is.

According to a second aspect of the present invention, in the purifying apparatus, the filter body is formed of a hollow filter medium having a void at a central portion, and the lock releasing means locks or locks the hollow filter medium on an inner peripheral surface thereof. It is configured to release. Therefore, the locking and releasing means can be made compact,
Filtration can be performed by effectively using the entire filter without disturbing the passage of water.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a purification device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part showing a clamped state in the present embodiment.

FIG. 3 is a cross-sectional view of a main part showing a released state in the present embodiment.

FIG. 4 is a sectional view of a main part showing an example of a conventional purification device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Filtration filter 3 Housing 5 Top cover 6 Clamp mechanism 29 Water outlet 31 Water inlet

Claims (2)

[Claims] 1. A filter for filtering circulating water,
A container for removably storing the filter, a lid for opening and closing the upper part of the container, a water inlet for flowing water into the filter, and an outlet for water filtered by the filter. Wherein the water that has flowed into the container from the water inlet passes through the filter while undergoing a filtering action, and is discharged to the water outlet. A purifying apparatus, comprising: a lock releasing means capable of locking or releasing the filter body with at least an upper part of the container opened. 2. The method according to claim 1, wherein the filter body is formed of a hollow filter medium having a gap in a center portion, and the locking and releasing means is configured to lock or release the hollow filter medium on an inner peripheral surface thereof. The purification device according to claim 1, wherein: