EP1889979A1 - Toilet device - Google Patents

Toilet device Download PDF

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Publication number
EP1889979A1
EP1889979A1 EP06756660A EP06756660A EP1889979A1 EP 1889979 A1 EP1889979 A1 EP 1889979A1 EP 06756660 A EP06756660 A EP 06756660A EP 06756660 A EP06756660 A EP 06756660A EP 1889979 A1 EP1889979 A1 EP 1889979A1
Authority
EP
European Patent Office
Prior art keywords
cutter
toilet
toilet device
water
breaking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06756660A
Other languages
German (de)
English (en)
French (fr)
Inventor
Toshio c/o MAX Co. LTD. HIRANUMA
Masahiko c/o Max Co. Ltd. Hashimoto
Shigenori c/o MAX Co. Ltd. Yamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Max Co Ltd
Original Assignee
Max Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Max Co Ltd filed Critical Max Co Ltd
Publication of EP1889979A1 publication Critical patent/EP1889979A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E03D11/11—Bowls combined with a reservoir, e.g. containing apparatus for disinfecting or for disintegrating

Definitions

  • the present invention relates to a toilet device that can be applied to fixed type Western-style toilet, portable Western-style toilet and the like. It relates, specifically, to a toilet device that can cut out and break not only excrement but also hardly soluble tissue paper, etc. to discharge them to any sewer pipe or the like by installing breaking means for breaking excrement and the like in a stagnant portion of the body of the toilet device and at the same time, adopting a cutter mechanism that can cut out and break them as this breaking means.
  • the present Western style toilet has a stagnant portion to store trap water at the bottom part of the body of the toilet device, and any excrement is evacuated into trapped trap water and at the same time, excrement and water-soluble toilet paper (hereinafter called excrement and others) are drained together with the trap water to the sewer-pipe side (for example, see Japanese Patent Application Publication No. 2004-308404 ).
  • toilet paper water-soluble paper
  • any paper could be used even for Western-style toilets, so long as it is water-soluble.
  • water-soluble tissue paper, etc. which can be used in Western-style toilets has been put on market.
  • a portable type simplified Western-style toilet has been also known (for example, see Japanese Patent Application Publication No. 2000-325258 ).
  • This portable type simplified Western-style toilet has been developed for elderly persons who need care or physically disabled persons who find it difficult to go to an existing toilet (Western-style toilet, etc.) in his or her house.
  • This portable type simplified Western-style toilet is configured into a chair type one so that it can be easily provided in their private room and they can sit on the chair type toilet by which he or she can defecate.
  • the simplified Western-style toilet has a configuration substantially similar to that of the fixed type Western-style toilet. Consequently, for the portable Western-style toilet, a body of the toilet device which has a stagnant portion to store trap water is also used, and after the use, the excrement and others are drained together with trap water.
  • a kind of usable paper is water-soluble paper such as toilet paper so that the excrement and others can not clog the body of the toilet device or the sewer pipe.
  • some toilets have breaking means inside the body of the toilet device (for example, see Japanese Patent Application Publication No. 2001-275885 ).
  • tissue paper Disposing of tissue paper into a body of the toilet device with the tissue paper being in a condensed state such as being crumpled into a ball, etc. is likely to give rise to any accidents such that the body of the toilet device or the sewer pipe (the exhaust pipe) is clogged.
  • Patent Literature 3 a configuration to provide a simplified Western-style toilet device with breaking means has been disclosed, so that it is assumed that this configuration could be adopted for the above-mentioned fixed type Western-style toilet.
  • this breaking means uses rotary vanes with them being brought down sideways, and since only the rotary vanes are used for breaking, the breaking means does not provide sufficient capabilities to break not only excrement but also kinds of water-soluble paper such as toilet paper, etc. Accordingly, when regular tissue paper and the like are used together, any treating case far exceeding its breaking capacity may occur. Consequently, there is a high possibility such that they may be drained in a solid state including the excrement, and therefore, it is not sufficient to improve clogging of the body of the toilet device and clogging of sewer pipe, too.
  • This invention solves such the conventional problems and relates to a toilet device comprising a body of the toilet device having a stagnant portion at the bottom thereof, and a breaking means with being immersed into trap water trapped in the stagnant portion, wherein the breaking means includes a breaking mechanism unit that has a cutter blade, and its driving means, and by driving the breaking mechanism unit, excrement and others which have fallen into the stagnant portion is cut out and broken.
  • This invention is applicable to portable type simplified Western-style toilets with the indoor use premised, in addition to the fixed type Western-style toilets.
  • the breaking means has cutter functions, and is constituted of a breaking mechanism unit (cutter mechanism unit) and its drive means.
  • the breaking mechanism unit falls broadly into two categories. One is the case in which the breaking mechanism unit is composed of multiple contrarotating cutter members, and the other is the case in which the breaking mechanism unit is composed of fixed guide members and cutter members (rotating members) which are mounted thereto.
  • the breaking mechanism unit is composed of four cutter members disposed to be placed side by side in such a manner that they can mesh with each other.
  • Each of the cutter members is composed by installing multiple disk-shaped cutter blades in the longitudinal direction (rotation axis direction) thereof with a predetermined interval kept, and cutter blades of adjacent cutter members are disposed to mesh with each other on sides of the side surfaces thereof.
  • the degree of meshing is optional.
  • the cutter blade sizes are substantially same, and therefore, they mesh with each other in the same mesh depth throughout the longitudinal direction thereof.
  • meshing of cutter blades gradually varies towards the longitudinal direction, and in such event, at the center part of the cutter member, the shallowest meshing takes place.
  • a cutter member with a substantially bobbin shape meshes with other cutter member, so that a recessed portion can be formed at the nearly center part of the meshed portion of cutter members, which is deeper than that when cutter members of a straight shape mesh with each other, and at the same time, the tooth tip profile of each of the cutter members, which forms a substantially bobbin shape, is curved as a whole from both end sides towards the center part. Consequently, the excrement and others are easy to be collected to this recessed portion and the excrement and others can be effectively cut out and broken.
  • the cut system of the breaking mechanism unit includes a straight cut, a cross-cut, and a spiral cut. It is optionally chosen which type of the cutter blade is used, but the cross-cut system will be illustrated.
  • the cutter blade of this system it is possible to cut out and break the excrement and others effectively even when comparatively difficult-to-break hardly soluble matters such as tissue paper, etc. are included in addition to any stool as the excrement and others. Consequently, accidents of clogging of the body of the toilet device or the sewer pipe, etc. can be beforehand prevented.
  • the body of the toilet device may be provided with, above the stagnant portion into which body waste is excreted, a reducing size portion (annular flange portion) which has smaller diameter than the opening of the body of the toilet device, a lid for open and closure to block this reducing size portion, and pressure-feed means to pressure-feed the excrement and others.
  • the lid for open and closure preferably has such a structure that when the body waste and the like fall on the lid for open and closure, the head end part of the lid for open and closure is separated from the edge part of the reducing size portion by the weight of the body waste and the like, and the body waste automatically falls into the stagnant portion by its own weight.
  • the excrement and others can be pressure-fed to a drain pipe linked to the sewer pipe of the existing toilet.
  • the lid for open and closure is convenient when it is applied particularly to any simplified Western-style toilets because drifting of foul odor of the excrement can be eliminated.
  • Fig. 16 shows an example to which the present invention is applied.
  • This example indicates a case in which an existing toilet (fixed type Western-style toilet) 3 is provided facing a corridor 2 of a house 1.
  • a toilet bowl 4 and a rinse water tank 5 are provided in the existing toilet 3.
  • a room 6 is located as a bed room in this embodiment, and inside the room 6, for example, a bed 7 is placed.
  • water-supplying means and draining means are provided, and the water-supplying means is coupled to the waterworks and the draining means is coupled to a sewer pipe (sewage system).
  • sewage system sewage system
  • water-supplying means water-supply hose 12
  • draining means drain hose 14
  • the water-supply pipe and drain pipe water-supply pipe and drain pipe (sewer pipe) of existing toilet device 4 are used, respectively.
  • FIG. 1 is a cross sectional view of an embodiment of a portable toilet device 10 according to the invention for showing an important portion thereof.
  • the simplified Western-style toilet 10 has a body 20 of the toilet device.
  • the body 20 of the toilet device has a profiled configuration of a funnel almost like that of a normal flush toilet (of western style), but has a whole configuration of box. Because any interior decorations are recently required, the body 20 of the toilet device may be not only formed as a box but also formed as, for example, chair-type one equipped with armrests.
  • plastic molded body is used as the body 20 of the toilet device, but any other materials such as ceramics may be used to be molded.
  • a toilet seat 21 is mounted on the body 20 of the toilet device at a side of its upper opening and a cover 23 is provided for closing the seat 21 and the upper opening.
  • a stagnant portion 18 of trap water, the excrement and others is formed at a bottom of the body 20 of the toilet device.
  • a S-bent trap unit (drain portion) 22 having a profiled configuration turned down at ends thereof, which is communicated with the stagnant portion 18, is provided and a drain hose 14 is connected to a drain opening 27 provided at its end.
  • a connection portion 26 relative to the drain opening 27 is formed on a rear surface portion 20b of the body 20 of the toilet device and an electromagnetic valve 24 acting as on-off valve is mounted near the connection portion 26 inside the body 20 of the toilet device.
  • the profiled configuration of the S-bent trap unit 22, which is turned down at ends thereof, communicated with the stagnant portion 18 includes configurations of P type, U type, bowl type and the like in addition to the shown configuration. All of these configurations cause similar effects.
  • the electromagnetic valve 24 is controlled so that it opens only when the trap water (including the excrement) in the stagnant portion 18 is drained out of the toilet device and it closes when the toilet is not used. This is because the water is prevented from leaking.
  • a water-supplying port 28 for the rinse water is provided on a side of the S-bent trap unit 22.
  • a coupling pipe 30 is disposed between the coupling part 34 provided on a rear 20b of the main body and this water-supplying port 28, a coupling pipe 30 is disposed.
  • a branch pipe is used, and to one coupling pipe 30 that goes to the water-supplying port 28, an electromagnetic valve 32 is mounted to control rinse water. This is because the water supply from the water supply hose 12 coupled to the coupling part 34 may be controlled by this electromagnetic valve 32.
  • a rinsing hose (rinse pipe) 240 is coupled via an electromagnetic valve 33, too.
  • the head end part of the rinsing hose 240 is provided in such a manner that it protrudes above the water surface of trap water in the stagnant portion 18.
  • water injection in actuality, a jet
  • the stagnant portion 18 and a rear surface of a lid body 212 are rinsed, which will be described later.
  • a rubber pipe 29 for water-leak prevention is inserted, and at the stagnant portion 18 through which the rinsing hose 240 penetrates, a pipe 242 for water-leak prevention is also inserted, thereby preventing water from being leaked to the outside.
  • breaking means 40 of the excrement and others is provided.
  • the breaking means 40 cuts out and breaks the excrement, toilet paper, etc. (hereinafter referred to as “excrement and others") which are collected inside the stagnant portion 18, and reduces their solids so that they become smaller as far as they possibly can do, to make them into liquid mixture, if possible, and thus, the broken excrement and others pass a space between the breaking means 40 and the bottom wall of the stagnant portion 18, are mixed with trap water, and are drained.
  • a cutter mechanism (breaking mechanism unit) is adopted for the breaking means 40.
  • this breaking means 40 is constituted of a breaking mechanism unit 40A and its drive means 40B (see Fig. 3 ).
  • the breaking mechanism unit 40A is composed of multiple cutter members 41 (41A, 41B, ...) as shown in Fig. 2 .
  • the cutter member 41 is configured so that a plurality of cutter blades 43 (43A, 43B, 43C, ...) is arranged with predetermined intervals ⁇ L maintained with respect to the axial direction (longitudinal direction) of a rotary shaft 42.
  • the cutter blade 43 forms a disk shape as shown in Fig. 4 and has multiple blades 47 (47a, 47b, ...) each forming wedge shapes with them keeping their predetermined intervals along the circumferential direction.
  • blades 47a, 47b, ... steel is used for this embodiment, but the whole thereof may be made of stainless steel.
  • each of the cutter blades 43 multiple through holes 48 are provided with predetermined intervals maintained along the circumferential direction on the inner side of the blades 47. Because by these through holes 48, broken liquid mixture including trap water is allowed to be circulated between both right and left sides of the cutter blades 43, the excrement and others can be smoothly drained.
  • the cutter members 41 configured with multiple cutter blades 43 are arranged in rows and placed side by side as shown in Fig. 2 .
  • the number of rows is determined by the size of the internal space in the stagnant portion 18 and the outside diameter of each of the cutter blades 43 is determined by the depth of the stagnant portion 18, etc.
  • the breaking mechanism unit 40A is configured by placing four rows of cutter members 41 side by side.
  • the cutter blades 43, 43 of adjacent cutter members 41, 41 are arranged in a staggered manner so as to meshed with (to rub on) each other with a small clearance on their side surfaces in order to achieve easy cut-out even though ductile material is used. If the small clearance is provided to the extent such that cutter blades rub on each other, it is preferable to provide a clearance of about 0.05 mm.
  • the meshing-depth of cutter blades 43 which alternately mesh with each other is optional but in order to realize efficient cut-outand breaking, they are arranged to mesh with each other with an appropriate depth. For example, they are arranged in such a manner that the meshing-depth becomes 1/3 to 1/2 of the length of the blade 47(in a radial direction).
  • Rotary shafts 42 provided to the multiple cutter members 41A through 41D are guided out to the outside via bearing units 42a, 42b provided in the side wall of the stagnant portion 18 as shown in Fig. 3 .
  • the bearing units 42a, 42b should have any measures to prevent water from being leaked therefrom.
  • a drive means 40B as shown in Fig. 3 is provided to the rotary shaft 42 on a side of the bearing unit 42b.
  • the drive means 40B is composed of a rotation transmission means 44 provided to this rotary shaft 42 and a driving motor 46.
  • the driving motor 46 is fixed to a bottom plate 20c of the body 20 of the toilet device and the rotary force of the motor shaft 46a is transmitted to the multiple cutter members 41 via the rotation transmission means 44.
  • the rotation transmission means 44 is arranged in such a manner that gears 44A through 44D provided to relevant rotary shafts of the cutter members 41A through 41D are engaged with each other as shown in Fig. 5 and at the same time, a gear 44E related to the driving motor 46 is engaged with, particularly, an intermediate gear, the gear 44B in this example.
  • Configuring the rotation transmission means 44 in this way allows other gears 44A through 44D to rotate along the arrows, respectively, when the gear 44E rotates clockwise as shown by the arrow. That is, the cutter member 41A and 41B function as a pair of cutter mechanism and contrarotate in a direction to crunch (in a direction to break in) things. Similarly, other cutter members 41C and 41D function as a pair of cutter mechanism and contrarotate in a direction to crunch things.
  • the cutter blades 43 are allowed to mesh with each other with a small clearance provided and the multiple blades 47 are provided to each of the cutter blades 43 of the cutter member 41, so that the breaking mechanism unit 40A functions as a crosscut mechanism unit.
  • the cutter member 41 is driven to rotate, the excrement and others are cut out and broken while being jammed into inner portion between the cutter blades 43, thereby enabling the excrement and others to be extremely finely cut out and finely broken.
  • tissue paper, etc. tossed into the stagnant portion 18 can be finely cut out (cross-cut), of course, to say nothing of the toilet paper tossed thereinto.
  • the breaking means 40 in particular, the breaking mechanism unit 40A
  • the breaking mechanism unit 40A is driven in water.
  • the trap water is infiltrated into the excrement and others, and the excrement and others are broken with trap water being infiltrated thereinto, so that it becomes much easier to break the excrement and others.
  • a control unit 50 including a CPU, etc. is disposed on the inside (upper side) of the bottom plate 20c.
  • Each driving of the electromagnetic valve 24 for drain, the electromagnetic valves 32 and 33 for water-supply, the motor 46, etc. as described above is controlled at a predetermined timing merely for a predetermined period of time by the control unit 50.
  • a power switch 52 for the control unit 50 is provided on the rear 20b of the body of the toilet device and on the top part of the body of the toilet device and under the toilet seat lid 23, an open/close switch 55 (which will described later) is provided.
  • a comminuted substance pressure-feeding means 200 is provided to feed specified compressed air to the stagnant portion 18.
  • a reducing size portion 230 is provided on a side that is above the stagnant portion 18 and that is slightly above the mounting position of the pressure-feeding means 200.
  • a lid open/close mechanism 210 is provided on the bottom surface of the reducing size portion 230 in order to block this reducing size portion 230 and hermetically seal the stagnant portion 18.
  • the pressure-feeding means 200 may be configured by an air compressor, and a feeding pipe 204 for this air compressor 200 is guided to a side of the stagnant portion 18 via a mounting means 206.
  • the mounting means 206 is provided on the place above a water surface of trap water in the stagnant portion 18.
  • the air compressor 200 is fixed on a mounting plate 202 provided in the rear space 20a of the body 20 of the toilet device.
  • the reducing size portion 230 is configured as an annular flange unit, and is protruded by a predetermined length towards an inner of the stagnant portion 18.
  • the feeding pipe 204 described above is located between the trap water of the stagnant portion 18 and the reducing size portion 230.
  • the reducing size portion 230 is provided so that its entirety is tilted slightly toward a side of the S-bent trap unit 22.
  • the lid open/close mechanism 210 is provided that blocks this reducing size portion 230.
  • a swing type and a slide type can be considered.
  • Fig. 1 shows a swing-type example.
  • the mechanism 210 for opening/closing the lid has a lid body 212, and one end of this lid body 212, the right end part in the illustrated embodiment, is made into a swing shaft part 214, and this swing shaft part 214 is rotatably pivoted with respect to the body 20 of the toilet device so that the swing shaft part 214 is located on the bottom part 232 of the reducing size portion 230.
  • This pivot portion is water-tightly pivoted with respect to the body 20 of the toilet device.
  • the lid body 212 is urged to obtain a state in which the circumferential surface thereof comes into contact with the bottom edge part 234 of the reducing size portion 230.
  • the lid body 212 has a shape that fits in the bottom edge part 234 and at the same time, a sprig 216 for urging is wound around between the swing shaft part 214 and a wall surface of the bottom part 232 so that the lid body 212 generally comes into contact with this bottom edge part 234 and hermetically seals the stagnant portion 18. Consequently, the breaking means 40 is shielded by the lid body 212, and any feeling of being in danger due to disposition of the breaking means 40 thus positioned can be suppressed.
  • the lid body 212 itself constituting the lid open/close mechanism 210 is also mounted as to be tilted to the side of the S-bent trap unit 22.
  • the excrement and others illustrated by a broken line, which have fallen onto the top of the lid body 212, can be completely dropped down into the stagnant portion 18.
  • the rinsing hose 240 described above is fixed so that its head end can be positioned inside the stagnant portion 18 with it having an angle at which the rinsing water is injected to both of the rear side of the lid body 212 and a part of the circumferential surface of the stagnant portion 18.
  • it is mounted in a liquid-tight manner and fixed to a position near and under the swing shaft part 214 of the lid body 212.
  • the water-supply hose 12 and drain hose 14 are coupled, which are guided to the existing toilet 3.
  • FIG. 7 shows an outline of the existing toilet 3.
  • FIG. 7 illustrates an existing toilet device 4 that is equipped with a warm-water washing toilet seat 80.
  • a diverging pipe 84 is connected to a water pipe (water supply pipe) 82 and a first diverging port 86 is provided to the diverging pipe 84 at a side of the water pipe 82, and is connected with a hose 87 for the warm-water washing toilet seat.
  • a second diverging port 88 is provided thereto nearer the end thereof than the first diverging port, and is connected with a hose 89 for the rinse water.
  • the diverging pipe 84 having such the diverging configuration is used; a check valve 90 is arranged between the first and second diverging ports 86, 88; and a connection portion 92 for connecting the water-supplying hose 12 is provided at a tail end of the diverging pipe 84.
  • the connection portion 60A provided at a tip end of the water-supplying hose 12 is connected to this connection portion 92.
  • the check valve 90 is roughly illustrated in the drawing so that its function can be understood.
  • arranging the new diverging pipe 84 and attaching the water-supplying hose 12 thereto enables the rinse water to be supplied to the simplified Western-style toilet 10. It is because if an error such that water from the hose 89 and the water-supplying hose 12 flows backward should happen, the water to be supplied to a side of the warm-water washing toilet seat is prevented from being mixed with the water flown backward, to arrange the check valve 90 between the first and second diverging ports 86, 88.
  • a tank 96 filled with a sterilizing solution is further inserted to a connection portion for the sterilizing solution at the tail end portion of the diverging pipe 84.
  • Using the sterilizing solution enables any sanitary conditions in not only the existing toilet 3 but also the simplified Western-style toilet 10 to be improved.
  • the drain hose 14 may be also washed at the same time. It is to be noted that the tank 96 has not always to be provided but may be suitably provided at need.
  • the drain hose 14 may be arranged as to drain the waste water and the like directly to the drain pipe, for example, the drain pipe in the existing toilet 3 but, in a simple case, the drain hose 14 extends to the toilet device 4 and the waste water and the like pour directly into the toilet device 4.
  • a drain outlet for drain is provided in the toilet device 4 and the drain hose 14 is connected to it so that the waste water and the like can pour into the toilet device 4 therethrough.
  • FIG. 8 An embodiment shown in FIG. 8 is an embodiment in which it is connected to a connection portion 114 provided in the toilet device 4. In this moment, this is accomplished by reforming a body 108 of the toilet device. As shown in Fig. 8 , to the body 108 of the toilet device, a drain pipe 110 is included, but a drain guide port 112 is located in the body 108 of the toilet device and above the stagnant portion and to the connection part 114 provided on its rear side, the connection portion 62B of the drain hose 14 is coupled.
  • FIG. 9 shows an example of the water-supplying hose 12
  • FIG. 10 shows an example of the drain hose 14.
  • an end 12a of the water-supplying hose 12 is an end that is connected to a side of a water supply pipe and the other end 12b thereof is an end that is connected to the simplified Western-style toilet 10
  • the end 12a and the other end 12b are respectively provided with connection portions 60A, 60B, each of which has a check valve.
  • an end 14a and the other end 14b are respectively provided with connection portions 62A, 62B, each of which has a check valve.
  • the end 14a is an end that is connected to a side of the simplified Western-style toilet 10
  • the other end 14b is an end that is connected to a side of the drain pipe or the like.
  • a vinyl hose having a small diameter or the like may be used.
  • a vinyl hose or the like having a diameter equal to or a slightly larger diameter than that of the water-supplying hose 12 may be used. This is because liquid mixture with the rinse water, not solidified excrement, is treated.
  • FIG. 10 shows a case where the vinyl hose 14 having a larger diameter than that of the water-supplying hose 12 is used.
  • any marked names such as "Water-supplying Hose” and "Drain Hose” are stamped on a surface of each of the hoses, so that any accidental connection may be certainly prevented.
  • Anti-standardization for shapes or forms of metal connection fittings in the connection portions enables any accidental connection to be prevented.
  • the water-supplying hose 12 and the drain hose 14 are colored with different colors so that such the difference in colors enables any accidental connection to be also prevented.
  • connection portions 60 (62), each of which has a check valve form a hollow valve operation room 64 with a rectangular profile inside a body 63, as shown in FIG. 11 , and a ball member 65 acting as valve action and a push spring 66 urging against it are provided in the room, thereby enabling the valve to be opened by an action of water pressure in a direction of an arrow "a". This prevents backflows from both of the sides of the simplified Western-style toilet and the water supply pipe.
  • connection portions 60B (62B) of the connection portions 60 (62) are connected to a side of the simplified Western-style toilet and a side of drain pipe of the existing toilet device, their internal valves are opened to become any communicate condition in a case where the connection portions 60 (62) are connected if projection members, not shown, each retreating the ball member 65 of the check valve against the push spring 66, are respectively provided in the side of the simplified Western-style toilet and the side of the drain pipe, or when they are not connected, their internal valves are closed to prevent liquid in each of the hoses from being leaked to outside.
  • connection portion 60A is detached while the connection portion 60A of the water-supplying hose 12 is connected to the water supply pipe and the connection portion 60B thereof is connected to the side of the body 20 of the toilet device, any liquid in the hose is not leaked; and even if the other connection portion 60B is detached, any liquid in the hose is not leaked. Similarly, even if the used drain hose 14 is detached, any waste liquid in the hose is not leaked to outside.
  • Fig. 12 shows a control example in the control unit 50 provided to the simplified Western-style toilet 10.
  • the power switch 52 and the open/close switch 55 are provided, and their ON/OFF signals are supplied to the control unit 50.
  • the power switch 52 is turned ON when the simplified Western-style toilet 10 is provided.
  • the open/close switch 55 is a switch to be turned ON or OFF in relation to opening or closing operation of the toilet seat lid 23 to close the upper portion of the toilet seat 21. Consequently, as shown in Fig. 1 , in this embodiment, the open/close switch 55 (open/close detection sensor switch, etc.) is mounted to the undersurface of the toilet seat lid 23 in such a manner that it faces the toilet seat lid 23.
  • a drain switch 244 is further provided on the upper surface of a rear side of the body 20 of the toilet device.
  • Each driving condition of the electromagnetic valve 24 for drain, the electromagnetic valve 32 for water-supply, the electromagnetic valve 33 for washing, the driving motor 46 for breaking, and the air compressor 200, which have been described above, is controlled by the control signals from the control unit 50 composed by CPU.
  • FIGS. 13A through 13E respectively show an example of control timings. It is supposed that in a case of the simplified Western-style toilet 10, the lid body 212 that is a lid for open and closure is closed when the toilet is not used.
  • the simplified Western-style toilet 10 is used after the toilet seat lid 23 has been opened.
  • the open manipulation of the toilet seat lid 23 is detected by the open/close detection switch 55 ( FIG. 13A ). Bowel movement is carried out while the toilet seat lid 23 is opened.
  • the lid body 212 is opened by their own weight and the excrement and others are dropped into the trap water in the stagnant portion 18 (see FIG. 6 ).
  • the lid body 212 is automatically closed. This is because the lid body 212 is always urged toward a side of the reducing size portion 230.
  • the toilet seat lid 23 is closed ( FIG. 13A ). If it is determined that the lid is closed, any excrement is broken (or cut out) into fragments for a period of time Ta ( FIG. 13B ). It is to be noted that instead of the detection for the closure operation of the toilet seat lid 23, a start switch corresponding to the open/close switch 55 may be operated by any manual operation to start such the breaking operation.
  • the period of time Ta for breaking operation is set to a period of time when the excrement, toilet paper, tissue paper and the like may be suitably broken into fragments. It is normally set to a period of time of 20 seconds or less, preferably about 5 through 10. This is because they are suitably cut out and broken to avoid any solids or the like remaining.
  • an air compressor 200 is driven to send compressed air into an interior of the stagnant portion 18 which is then pressed ( FIG. 13E ).
  • a period of time Tb for pressing process is set to a period of time when internal pressure in the stagnant portion 18 is increased up to a predetermined value (for example, 2 atmospheric pressures).
  • the predetermined value of the internal pressure means a pressure such that the liquid mixture is certainly sent by compression and drained to the existing toilet device 4 through the drain hose 14.
  • a period of time Tb when the internal pressure in the stagnant portion 18 is increased to a predetermined value thereof is set in advance and this period of time Tb is counted.
  • the electromagnetic valve 24 for drain is driven while the air compressor 200 is driven, namely, the compressed air is sent to the interior of the stagnant portion 18 ( FIG. 13D ).
  • the electromagnetic valve 24 for drain is driven to open the drain opening 27, the excrement and others (liquid mixture) in the stagnant portion 18 are sent together with the trap water at once by the compressed air toward a side of the drain hose 14. Since the drain hose 14 is connected with the existing toilet device 4, the excrement and others cut out and broken into fragments by the breaking means 40 is drained to a side of the existing toilet device 4.
  • a period of time Tc for sending-by-compression is normally set to a period of relatively longer time, for example, about 10 through 30 seconds, in order to prevent the excrement and others from being remained in the drain hose 14, though there may be a difference in a set length of the drain hose 14.
  • the electromagnetic valve 24 for drain is turned off and driving of the air compressor stops ( FIGS. 13D, 13E ). This enables the drain opening 27 to be closed.
  • the electromagnetic valve 32 for water-supply is then activated to start the water supply to the stagnant portion 18 ( FIG. 13C ).
  • a period of time Td for water-supply is set to a period of water supply time when the trap water in the stagnant portion 18 reaches a predetermined amount. It is to be noted that the predetermined amount means water supplies up to an amount where a surface of the trap water exceeds a bent portion of the S-bent trap portion 22.
  • an electromagnetic valve 33 for washing is also driven with synchronization with the operation of the electromagnetic valve 32 for water-supply, as shown in FIG. 13C . If the electromagnetic valve 33 operates, water is supplied into the stagnant portion 18 through the rinsing hose 240; the water is concretely jet toward a rear surface of the lid body 212 and a wall surface of the stagnant portion 18. Since, by means of this jet by the rinse water, the rear surface of the lid body 212 and the wall surface of the stagnant portion 18 are rinsed, the lid body 212 and the interior of the stagnant portion 18 can be always kept clean.
  • Such the rinsing process may be performed before the water supply to the stagnant portion 18, namely, after the excrement and others have been sent by compression and drained, not simultaneous execution of the water supply to the stagnant portion 18 and the rinsing of the lid body 212 and the like, to send and/or drain the rinse water therefor at the same time.
  • the water supply to the stagnant portion 18 is then performed after the electromagnetic valve 24 has been closed.
  • the drain switch 244 is turned on, and the air compressor 200 is then activated ( FIGS. 14A, 14B ).
  • the start of the air compressor 200 enables the interior of the stagnant portion 18 to be pressed ( FIG. 14C ).
  • the electromagnetic valve 24 for drain is driven so that the drain opening can be opened for a predetermined period of time Tg ( FIG. 13B ).
  • This sending-by-compression enables the trap water to be drained from the stagnant portion 18.
  • the electromagnetic valve 24 for drain is closed with a small amount of delay ( ⁇ Tf) starting from when the driving of the air compressor 200 stops. This causes any drain processing of the trap water to be completed.
  • period of time Tb and the period of time Tg may be set to the period of time Tc.
  • FIGS. 7 and 8 show the embodiment in which the connection part 114 is provided at the existing toilet device 4 and to which the drain hose 14 is coupled, but as the simplest embodiment, the drain hose 14 itself is allowed to pass under the bottom surface of the toilet seat 118 as shown in Fig. 15 and guided to the body 108 of the toilet device. In such event, the tip end of the drain hose 14 is expanded in width as shown in Fig. 15 to alleviate the drain pressure thereof.
  • Fig. 17 shows another combination example of cutter members 41.
  • Fig. 2 shows an example in which substantially straight type cutter members 41 are used for all four breaking mechanisms.
  • the substantially straight type referred to here is a generic term that designates the case in which the sizes (outside diameter) of the cutter blades 43 that constitute the cutter members 41 are composed of the same ones.
  • Fig. 17 shows the case in which the breaking mechanism 40A is configured by use of the substantially straight type cutter members and so-called substantially bobbin type cutter members.
  • the substantially bobbin type is a generic term that designates the case in which the sizes (outside diameter) of the cutter blades 43 that constitutes the cutter members 41 have a larger diameter on both end sides of the cutter member 41, which varies along the longitudinal direction (rotating axis direction) from the both end sides thereof toward the center part of the cutter member 41 as to be reduced gradually.
  • the first and the third cutter members 41A and 41C are substantially straight type ones and the second and the fourth cutter members 41B and 41D are of the substantially bobbin type ones.
  • the length of the fourth cutter member 41D is shorter than others in order to fit in the shape of the stagnant portion 18.
  • the adjacent cutter members 41 are arranged in such a manner that respective cutter blades 43 are meshed with each other.
  • the degree of meshing of cutter blades 43 varies along the longitudinal direction thereof.
  • the meshing is shallow at the center part thereof and becomes gradually deeper as it goes toward both ends. Consequently, nearly at the center part of the portion where the cutter members 41 having a substantially bobbin type shape mesh with the straight type cutter member 41, a recessed portion deeper than that in the case of embodiment 1 in which cutter members 41 having straight type shape mesh with each other is formed, thereby enabling cutting and breaking processing to be efficiently performed.
  • Fig. 18A and Fig. 18B are examples of the breaking mechanism unit 40A which adopts another combination example of the cutter members 41.
  • substantially bobbin shape cutter members are used for all the four cutter members 41.
  • odd-numbered cutter members 41B and 41D are shown by broken lines.
  • the meshing condition of the cutter member 41 is shallowest at the center, and deepest at both edges. Consequently, a recessed portion 900 (see Fig. 18B ) deeper than that in the case shown in Embodiments 1 and 2 is formed nearly at the center of the portion where cutter members 41 having a substantially bobbin shape mesh with each other, and at the same time, a tooth tip contour of each of the cutter members 41 having a substantially bobbin shape forms a curved shape from both edge sides thereof to the center part thereof as a whole. Consequently, the excrement and others are easy to be collected at the recessed portion 900 so that the excrement and others can be effectively cut and broken.
  • Fig. 19 is a modified embodiment of a location of the breaking means 40.
  • the breaking means has been provided to the stagnant portion 18 and the multiple cutter members 41 are placed side by side in the transverse direction.
  • Fig. 19 shows a case in which the breaking means 40 is provided in the vicinity of an opening (coupling portion) of the S-bent trap unit 22 that is communicated to the stagnant portion 18.
  • the breaking mean 40 is placed parallel to the vertical direction.
  • the number of rows of the cutter members 41 which constitutes the breaking mechanism unit 40A, the shape of each of the cutter members 41 (outer diameter of the cutter blade 43), the numbers of cutter blades 43, and the like vary depending on a diameter and an area of the opening 22a.
  • the breaking mechanism unit 40A is composed by using two pieces (one pair) of substantially straight type cutter members 41
  • the cutter member 41 has a length of less than about one half that in the case of Fig. 2 .
  • Disposing drive means 40B for the breaking mechanism unit 40A to outside of the body 20 of the toilet device is the same as in the case of Fig. 3 .
  • a period of the breaking processing time Ta is set as to be longer (about twofold) than that in the case of Fig. 1 . It is to be noted that this breaking processing may be conducted simultaneously with draining of the excrement and others and trap processing of the trap water.
  • Fig. 20 shows another embodiment of the breaking means 40.
  • This embodiment is a case in which pairs of guide members 70 (70A, 70B) and cutter members 41 (41A, 41B) constitute the breaking mechanical unit 40A. It is the case in which the breaking means 40 is provided in the stagnant portion 18.
  • the pair of guide members 70A, 70B are oppositely disposed with a predetermined clearance maintained in such a manner that they face each other, and a pair of cutter members 41A and 41B are rotatably disposed between them.
  • One guide member 70A are composed by arranging multiple guide plates 48 (48a, 48b, ...) with a predetermined clearance (pitch) maintained in the longitudinal direction thereof (i. e., a direction of a rotary shaft of the cutter member 41) as shown in Fig. 22 . They are mutually fixed by fixing guide shafts 45a shown in Fig. 21 .
  • the other guide member 70B which is contrast to this guide member 70A, has multiple guide plates 49 (49a, 49b, ...) in the same manner and they are arranged at a predetermined pitch, and are mutually fixed by fixing guide shafts 45b.
  • the guide plates 49 are arranged with half a pitch deviated from the guide plates 48 of one guide member 70A.
  • the guide plates 48, 49 have their tops formed into tapers 51a, 51b in such a manner as to be directed inwards as shown in Fig. 21 .
  • substantially straight type cutter members are used for a pair of the cutter members 41A, 41B.
  • the rotary shaft 42a of one cutter member 41A is, at its both edges, pivoted by the both end guide plates 48a, 48n in the one guide member 70A. Consequently, the portions which correspond to the rotary shaft 42a, of multiple guide plates existing in the both end guide plates 48a and 48b have holes each having a diameter that do not interfere with the rotation of the rotary shaft 42a in this embodiment. A part of the rotary shaft 42a may be cut away. Multiple cutter blades 43 that constitute the cutter member 41A are allowed to regulate their arrangement pitches in such a manner that they are fitted within the clearances between the guide plates 48 (48a, 48b, 48c, ..., 48n) with a small clearance provided.
  • the rotary shaft 42b is pivoted by both end guide plates 49a, 49n, which constitute the other guide member 70B, and the multiple cutter blades 43 are allowed to regulate their arrangement pitches in such a manner that they are fitted within the clearances between the guide plates 49 with a small clearance provided.
  • the cutter blade 43 of one cutter member 41A and the cutter blade 43 of the other cutter member 41B are arranged so that their parts overlap with each other, as shown in FIG. 21 .
  • tapers 51a, 51b are formed in such a manner that things fall in towards the cutter members 41A, 41B, the excrement and others fallen into the stagnant portion 18 are easy to collect at a center part thereof. This enables the excrement and others to be effectively cut and broken.
  • Fig. 23 shows the case in which the breaking means 40 that is provided with the breaking mechanism unit 40A described in the Embodiment 1 is applied thereto.
  • a blocking lid 250 which blocks a part of the stagnant portion 180 is provided.
  • a center part of the blocking lid 250 is made into a predetermined opening 250a, and other end of the blocking lid 250 has a flange unit 255 so that it can be mounted to the inner circumferential wall 108a of the body 108 of the toilet device on its both of upper and lower sides of the end surfaces thereof.
  • the blocking lid 250 can be mounted (fixed) to the body 108 of the toilet device. By locating the opening 250a nearly at the center of the blocking lid 250, the excrement and others can be fallen into the stagnant portion 180 without allowing them to come into contact with the blocking lid 250.
  • the blocking lid 250 is removably provided to the inner circumferential wall 108a. This allows the blocking lid 250 to be removed to clean it periodically, so that it can be hygienic.
  • a control unit 300 containing a CPU On the top of the body 108 of the toilet device, a control unit 300 containing a CPU is mounted. By this control unit 300, any controls, etc. for the breaking means 40 are executed.
  • Fig. 24 shows one example of a control circuit system in which ON-OFF signals of the power switch 225 and the open/close switch 226 (see Fig. 24 ) are supplied to the control unit 300. In the control unit 300, controls of an electromagnetic solenoid 117 and an electromagnetic valve 113 in addition to a driving motor for breaking are carried out.
  • Fig. 26 shows a control timing example, and the blocking lid 250 is controlled to be normally closed.
  • the open/close switch 226 is activated (turns ON and OFF) ( Fig. 25A and Fig. 25B ).
  • the evacuation is carried out, and the toilet seat lid 230 is then closed.
  • the blocking lid 250 is closed ( Fig. 25C ).
  • the driving motor 46 is energized and breaking processing starts ( Fig. 25D ).
  • the breaking processing referred to here is a cutting and breaking processing similar to the above cases.
  • an electromagnetic valve 113 is opened and rinsing processing for the blocking lid 250 takes place ( Fig. 25E ).
  • the blocking lid 250 is opened ( Fig. 25C ).
  • the existing operation button (not illustrated) provided to the Western-style toilet is operated and the excrement and others are drained (including trap processing of trap water) ( Fig. 25F ).
  • the excrement and others including toilet paper, tissue paper, used sanitary items, etc. as described above can be cut and broken and then, drained, and thereby clogging of the sewer pipe or the like can be completely eliminated.
  • Fig. 26 shows another embodiment of a fixed type Western-style toilet to which the present invention is applied.
  • a swing type open/close lid mechanism 260 is adopted in place of the blocking lid 250.
  • a reducing size portion 270 is provided at an upper side of the stagnant portion 180, and to the lower surface of the reducing size portion 270, the open/close lid mechanism 260 is provided so that this reducing size portion 270 is blocked and the stagnant portion 180 is hermetically sealed.
  • the reducing size portion 270 is configured as an annular flange unit and protrudes towards the inner surface of the stagnant portion 180 by a predetermined length. As it is clear from Fig. 26 , the reducing size portion 270 is provided so that its entirety can be slightly tilted toward a side of the drain unit 182. On a side of lower surface of the reducing size portion 270, the open/close lid mechanism 260 that can block this reducing size portion 270 is provided.
  • the open/close lid mechanism 260 is of a swing type and has a lid body 262 which constitutes the open/close lid mechanism 260, and one end of this lid body 262, in the example of the drawing, the right end part is made into a rotating shaft unit 264, and this rotating shaft unit 264 is swingably pivoted with respect to the body 108 of the toilet device so that the rotating shaft unit 264 is located on a lower surface part 272 of the reducing size portion 270.
  • This pivot unit is water-tightly pivoted to the body 108 of the toilet device.
  • the lid body 262 is urged to bring its circumferential surface in contact with an edge part 274 of the lower surface of the reducing size portion 270.
  • the lid body 262 is formed to have a shape that conforms to the edge part 274 and, at the same time, an urging spring 276 is wound around between the rotating shaft unit 264 and the wall surface of the underside part 272 so that the lid body normally comes into contact with the edge part 274 to seal the stagnant portion 180 hermetically.
  • a side of the forward end of the lid body 262 opens by its own weight, and the excrement falls into the trap water of the stagnant portion 180.
  • the lid body 262 automatically returns to its original position by any action of the spring and blocks the upper part of the stagnant portion 180.
  • rinsing operation button flush valve operation button
  • rinse water flows into the stagnant portion 180 via the upper surface of the lid body 262 while running around the inner circumferential surface 108a of the body 108 of the toilet device.
  • the breaking means 40 is simultaneously driven, and the excrement which has fallen into the breaking means 40 and toilet paper, etc. which has flowed in together with rinse water are broken (cut and crushed). Because any sanitary items, etc. flow into the stagnant portion 180 together with rinse water, driving the breaking means 40 for a predetermined time period in relation to the rinsing processing can cut and crush them to drain them.
  • Fig. 26 an embodiment in which the lid body 262 is held substantially horizontal in the closed state is shown, but because the reducing size portion 270 is provided to be slightly tilted to the side of the drain unit 182 as described above, mounting the lid body 262 itself which constitutes the open/close lid mechanism 260 tilted to the side of the drain unit 182 enables all the excrement and others, which have fallen onto the upper surface of the lid body 262, to be completely fallen into the stagnant portion 180.
  • valve unit members electromagnettic valve, etc.
  • the driving-start time of the breaking means 40 and the rinse water supply time may vary appropriately. This enables the breaking means 40 to operate for a period of predetermined time and then rinse water to be supplied after breaking processing has been completed.
  • breaking mechanism unit 40A various kinds of breaking mechanisms shown in other examples can be applied.
  • the same thing can be applied to the open/close lid mechanism 260, too.
  • breaking processing of the excrement such as stools, toilet paper, used sanitary items, etc. which accumulate in the stagnant portion 180 can be carried out.
  • the present invention can be used for existing Western-style toilets and simplified Western-style toilets as a nursing-care supporting device for nursing and personal care facilities and at-home nursing care, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Crushing And Pulverization Processes (AREA)
EP06756660A 2005-06-06 2006-05-23 Toilet device Withdrawn EP1889979A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005166005A JP2006336429A (ja) 2005-06-06 2005-06-06 トイレ装置
PCT/JP2006/310615 WO2006132100A1 (ja) 2005-06-06 2006-05-23 トイレ装置

Publications (1)

Publication Number Publication Date
EP1889979A1 true EP1889979A1 (en) 2008-02-20

Family

ID=37498302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06756660A Withdrawn EP1889979A1 (en) 2005-06-06 2006-05-23 Toilet device

Country Status (4)

Country Link
US (1) US20090126093A1 (enrdf_load_stackoverflow)
EP (1) EP1889979A1 (enrdf_load_stackoverflow)
JP (1) JP2006336429A (enrdf_load_stackoverflow)
WO (1) WO2006132100A1 (enrdf_load_stackoverflow)

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CN102373743A (zh) * 2010-08-26 2012-03-14 张汉云 一种城市内排泄物收集处理系统
WO2016088105A1 (en) * 2014-12-05 2016-06-09 Dometic Sweden Ab Macerator toilet assembly
USD811562S1 (en) 2016-11-14 2018-02-27 Dometic Sweden Ab Toilet
USD853540S1 (en) 2017-09-18 2019-07-09 Dometic Sweden Ab Toilet lid and seat
CN110184105A (zh) * 2019-06-29 2019-08-30 深圳市名剑日用品有限公司 一种厨房垃圾制备固体有机燃料装置

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CN104912165B (zh) * 2015-06-05 2017-01-11 任宏兴 环保马桶及其工作方法
KR101870510B1 (ko) * 2016-06-21 2018-07-19 (주)제이하우스 음식물쓰레기를 처리하는 소변기
US20210078507A1 (en) * 2018-05-01 2021-03-18 Thetford Bv Wastewater management system for vehicles and related methods
CN112160392A (zh) * 2020-09-24 2021-01-01 湖南翰坤实业有限公司 一种带静音粉碎功能的座便器或蹲便器

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102373743A (zh) * 2010-08-26 2012-03-14 张汉云 一种城市内排泄物收集处理系统
CN102373743B (zh) * 2010-08-26 2013-09-18 张汉云 一种城市内排泄物收集处理系统
WO2016088105A1 (en) * 2014-12-05 2016-06-09 Dometic Sweden Ab Macerator toilet assembly
US10358809B2 (en) 2014-12-05 2019-07-23 Dometic Sweden Ab Macerator toilet assembly
USD811562S1 (en) 2016-11-14 2018-02-27 Dometic Sweden Ab Toilet
USD853540S1 (en) 2017-09-18 2019-07-09 Dometic Sweden Ab Toilet lid and seat
CN110184105A (zh) * 2019-06-29 2019-08-30 深圳市名剑日用品有限公司 一种厨房垃圾制备固体有机燃料装置

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WO2006132100A1 (ja) 2006-12-14
US20090126093A1 (en) 2009-05-21

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