JP2017057578A - Flush toilet bowl device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flush toilet bowl device that prevents disabling of rotation of a disk part due to entanglement and accumulation of fibrous foreign matters between the disk part and a pressure feeding part.SOLUTION: A flush toilet bowl device of the present invention is of a non-installed type, and includes a crushing part for decomposing sewage by stream current decomposition, and a pressure feeding part 36 for pressure-feeding the crushed sewage and flushing water. The pressure feeding part 36 is the centrifugal-type pressure feeding part 36 having an impeller 62 disposed on an inner side of a side wall of the pressure feeding part, the impeller 62 including a disk part 66 and a protrusion 68, and a radial-direction flow channel 74 and a circumferential-direction flow channel 76. A side wall 64 of the pressure feeding part 36 includes a crushing region 78 of the side wall 64 and a regulating part 80, the crushing region being a region where the sewage flowing from the radial-direction flow channel 74 toward the circumferential-direction flow channel 76 crushes with the flushing water due to centrifugal force generated by rotation of the impeller 62, and the regulating part being formed between the crushing region and a gap part 70 formed between the side wall 64 and the disk part 66 and inhibiting the sewage and the flushing water from flowing into the gap part 70 from the crushing region 78.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a flush toilet apparatus, and more particularly to a non-installation flush toilet apparatus.

  Patent Document 1 proposes a non-fixed flush toilet device (pressure feeding toilet device) that is disposed on the bedside of a user's room and used as a care toilet. In this flush toilet device, the filth is pulverized by stirring the water flow in the pulverizing section, and the pulverized filth is pumped by the pumping section and drained to the outside.

  In this conventional flush toilet device, even if foreign matter other than filth and toilet paper (foreign matter that cannot be crushed) is accidentally washed away, the foreign matter stays in the water tank and the drive means such as an electric motor locks. The user can continue to use the toilet device because it cannot be used. In a flush toilet apparatus used as a nursing toilet disposed on the bedside in a living room, this measure against foreign matter is an extremely important issue that affects the establishment of a commodity business.

In addition, nursing care toilets placed on the bedside are designed to discharge finely crushed filth to the outside (outdoor drainage pipes) via a thin and long drainage hose. It is preferable to employ a centrifugal pump that can achieve this process. However, this centrifugal pump needs to narrow the flow path in order to generate a high pressure. Therefore, there is a problem that the flow path is clogged when large filth or the like flows in.
For this reason, in the toilet apparatus of patent document 1, only the fine thing grind | pulverized to the magnitude | size below predetermined in a grinding | pulverization part flows in into a pumping part, and the flow path clogging of a pumping part is prevented.

Patent No. 5495191

  On the other hand, the inventors of the present invention, as shown in FIG. 7, show a structure of a pumping unit with a narrow flow path and a simple structure in order to form a centrifugal pump that generates a relatively small and high pressure. A suitable pumping unit 136 was examined.

  However, as described above, foreign substances other than filth and toilet paper may be accidentally washed away in the flush toilet apparatus, but in particular, “box tissue”, “wiping wiping wipe”, “flowing tissue” and “flowing” A foreign substance such as a “cleaning sheet” is a foreign substance that can only be pulverized to a fibrous state in the pulverizing part (a foreign substance that can be pulverized only halfway), and such a foreign substance has recently been used. I came. The fibrous foreign matter is pulverized to a fibrous state in the pulverization unit and becomes smaller, and therefore flows into the pumping unit. This fibrous foreign matter flows into the pumping part and is easily caught in the narrow flow path of the pumping part, and this trapped fibrous foreign substance grows in large amounts by tangling new fibrous foreign substances one after another. There was a new problem of closing the narrow flow path in the pumping section.

In particular, in order to form a centrifugal pump that generates a high pressure as shown in FIG. 7, the side wall 164 is formed by one vertical wall surface, and the disk portion 166 is disposed up to the vicinity of the side wall 164. 136 was found to cause the following problems in combination with the above new problem. In such a pumping part 136, as shown by arrows a1 and a2, fibrous foreign matter F that collides with the collision region 178 of the outer side wall 164 from the radial flow path 174 by centrifugal force generated by the rotation of the impeller 162. The filth and the cleaning water containing the water flow from the collision region 178 into the gap 170 formed between the side wall 164 and the disk portion 166.
In this case, the fibrous foreign matter F flows into the gap 170 together with the cleaning water, and flows into the region B between the disk portion 166 and the pressure-feeding portion 136 as indicated by the arrow a3, and the fibrous foreign matter F flows into the region. As a result of growing intertwined with B, the disk portion 166, that is, the impeller 162 cannot rotate and the motor is locked. Further, the filth and the cleaning water further flow into the region C on the outer periphery of the rotating shaft 152, and the fibrous foreign matter F grows in an entangled manner in the region C, so that the rotating shaft 152 and the disk portion 166, that is, the impeller 162 are formed. There is a problem that the motor cannot be rotated and is locked.

  Accordingly, the present invention has been made to solve the above-described problems, and uses a centrifugal pumping unit (such as a centrifugal pump) that can realize a high head, and pulverizes only to a fibrous state in the pulverizing unit. A flush toilet device that can prevent the disk part, that is, the impeller, from being unable to rotate by causing the fibrous foreign substance to be entangled and growing between the disk part and the pumping part even when a foreign object that cannot be flowed The purpose is to provide.

In order to achieve the above-described object, the present invention is a non-stationary flush toilet apparatus, which is a non-fixed flush toilet apparatus, and supplies flush water to the toilet body and the toilet body. A water supply means, a pulverizing unit for pulverizing the filth discharged from the toilet body together with the cleaning water, a pumping unit for pumping the filth crushed by the pulverizing unit and the cleaning water, and the filth and the cleaning water pumped by the pumping unit Passage regulation that is provided between the flexible drain pipe for discharging the water to the outside, and the pulverizing part and the pressure feeding part, and passes the filth crushed to a predetermined size or less by the pulverizing part and sends it to the pressure feeding part And the pumping part is an impeller that is disposed inside the side wall of the pumping part and rotates within the pumping part, and is provided so as to partially protrude from the disk-shaped disk part and the disk part. A central portion of the impeller and the pumping unit An inflow port formed in the outer periphery of the pumping portion, a radial channel formed between the protrusions and extending toward the outer periphery, and around the outer periphery of the impeller. And a circumferential flow path that extends in the direction and communicates with the outlet, and a side wall of the pressure feed section is formed from the radial flow path by the centrifugal force generated by the rotation of the impeller. Is provided between the collision area of the side wall where the filth and cleaning water flowing toward the surface collide, and a gap formed between the side wall and the disk part, and the filth and the cleaning water are transferred from the collision area to the gap. It is equipped with a restricting part that makes it difficult to flow in.
In the present invention configured as described above, when a foreign substance such as “box tissue” or “wiping wiping cloth” is flowed into the toilet body, it is pulverized by the pulverizing part to become a fiber and flows into the pressure feeding part. The fibrous foreign matter and the washing water flowing into the pumping unit from the inflow port flow from the radial flow path toward the outer circumferential flow path by the centrifugal force generated by the rotation of the impeller. When dirt and cleaning water colliding with the collision area of the outer side wall from the radial flow path flow into the gap formed between the side wall and the disk portion from the collision area, fibrous foreign matters are mixed with the cleaning water. When the foreign matter flows into the gap and the fibrous foreign matter grows entangled between the disc portion and the pumping portion, the disc portion, that is, the impeller cannot be rotated and the motor is locked. However, according to the flush toilet apparatus according to the present embodiment, the side wall of the pumping unit flows from the radial flow path toward the circumferential flow path and collides with the collision area of the side wall due to the centrifugal force generated by the rotation of the impeller. Since there is a restriction part that makes it difficult for filth and washing water to flow into the gap from the collision area, the fibrous foreign matter grows in an entangled manner between the disk part and the pumping part. It is possible to prevent the motor from being locked because it cannot rotate.

In the present invention, preferably, the side wall of the pumping portion includes an outer side wall having a collision region and an inner side wall formed radially inward of the outer side wall, and the gap portion is between the inner side wall and the disk portion. The regulation part is formed and extends toward the inside in the radial direction of the pumping part, and connects the outer side wall and the inner side wall.
In the present invention configured as described above, in the present invention configured as described above, the gap portion is formed between the inner side wall and the disk portion, so that the filth that collides with the collision region of the outer side wall and The washing water can hardly flow from the collision area to the inside in the radial direction against the centrifugal force, and can hardly flow into the gap formed in the radial direction from the collision area.

In the present invention, preferably, the restriction portion is provided at a position spaced a predetermined distance in the height direction from the radial flow path surface on the radial flow path side of the disk portion, and the gap portion has a diameter on the radial flow path side of the disk portion. It is provided at a position spaced a predetermined distance from the direction flow path surface in the height direction.
In the present invention configured as described above, the restricting portion is positioned at a predetermined distance in the height direction from the flow of dirt and washing water flowing toward the circumferential flow path and the collision area along the radial flow path surface. Provided. Further, the clearance provided on the inner side wall to which the restricting portion is connected also has a predetermined distance in the height direction from the flow of dirt and washing water flowing toward the circumferential flow path and the collision area along the radial flow path surface. It is provided at a spaced position. Therefore, it can suppress more reliably that the filth and washing water which flow toward the circumferential direction channel from the diameter direction channel surface of a diameter direction channel flow into a crevice part before colliding with a collision field.

In the present invention, it is preferable that the driving force for agitating the washing water in the pulverizing unit and the driving force for rotating the impeller in the pulverizing unit are transmitted from the driving source to the pulverizing unit. A rotational drive shaft of
The crushing part and the pressure feeding part communicate with each other, and a part thereof is formed so as to pass on the outer peripheral surface of the common rotational drive shaft between the grinding part and the pressure feeding part, and the other part is a disk part and a pressure feeding part. And a flow path around the rotation axis formed so as to pass between the two.
In the present invention configured as described above, a common rotational drive shaft is disposed between the pulverization unit and the pumping unit, and a flow path around the rotational shaft is provided to reduce wear and the like of the common rotational drive shaft. It is formed so as to pass on the outer peripheral surface of the common rotational drive shaft, and the fibrous foreign matter together with the washing water is partly formed on the outer peripheral surface of the common rotational drive shaft, and the other part is the disc part. Even when it has a structure that can flow into the flow path around the rotating shaft formed between the pumping unit and the waste and the washing water that collide with the collision region of the side wall, it flows into the gap from the collision region. Because it is equipped with a restricting part that makes it difficult, the fibrous part is impregnated with the disk part and the pumping part and / or grows on the common rotational drive shaft, and the disk part, i.e., the impeller cannot rotate. Can be locked .

  According to the flush toilet apparatus of the present invention, a centrifugal pumping unit (such as a centrifugal pump) capable of realizing a high head is used, and a foreign substance that can only be pulverized to a fibrous state is passed through the pulverizing unit. However, it is possible to prevent the disk portion, that is, the impeller from being able to rotate, by causing the fibrous foreign matter to be entangled and grow between the disk portion and the pumping portion.

1 is an overall perspective view showing a flush toilet apparatus according to an embodiment of the present invention. It is a whole lineblock diagram showing the flush toilet device by the embodiment of the present invention. It is sectional drawing which shows the grinding | pulverization pumping apparatus of the flush toilet apparatus by embodiment of this invention. It is an expanded sectional view which shows the pumping part of the grinding | pulverization pumping apparatus of FIG. It is the external view which looked at the pump chamber of the pumping part of the grinding | pulverization pumping apparatus of FIG. 4 from the diagonally downward direction in the state which removed the lower cover. It is a figure which shows roughly the flow of the filth and washing water in the pump chamber of the pumping part of the crushing pumping apparatus of FIG. It is a figure which shows roughly the flow of the filth and washing water in the pump chamber of the pumping part in the grinding | pulverization pumping apparatus of the conventional flush toilet apparatus.

  Next, a flush toilet apparatus according to an embodiment of the present invention will be described with reference to the accompanying drawings. First, the overall structure of the flush toilet apparatus according to the embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is an overall perspective view showing a flush toilet apparatus according to an embodiment of the present invention, and FIG. 2 is an overall configuration diagram showing a flush toilet apparatus according to an embodiment of the present invention.

  As shown in FIG. 1, the flush toilet apparatus 1 according to the present embodiment is a non-installation flush toilet apparatus that can be used as a nursing toilet disposed on the bedside. The flush toilet apparatus 1 includes a toilet body 2, a pulverizing and feeding device 4 that pulverizes and pumps the waste and washing water discharged from the toilet body 2, and a flexible for supplying the toilet water to the toilet body 2. An indoor water supply pipe 6 and an indoor drain pipe 8 (drain pipe) that can discharge filth and washing water from the crushing and pressure feeding device 4 are provided.

  Moreover, since the flush toilet apparatus 1 is non-installable and movable, a plurality of legs 12 are attached to the lower surface of the toilet body 2, and the toilet body 2 is supported on the floor 10 by the legs 12. It is like that. In addition, a flip-up armrest 14 is attached to the toilet body 2 to support the user's standing and to be able to secure the balance of the sitting state.

  As shown in FIG. 2, the flush toilet apparatus 1 is disposed on the floor 10 of the indoor 16 a of the building 16. The indoor water supply pipe 6 is connected to an outdoor water supply pipe 18 disposed on the outdoor 16b, and the indoor drain pipe 8 is connected to an outdoor drain pipe 20 disposed on the outdoor 16b. In this way, the flush toilet apparatus 1 according to the present embodiment can discharge the filth discharged to the toilet body 2 to the outdoors.

  As shown in FIG. 2, the toilet main body 2 of the flush toilet apparatus 1 includes a bowl portion 22 for receiving filth provided on the front side of the toilet main body 2, and a bowl portion 22 provided on the rear upper portion of the bowl portion 22. A water supply device 24 (water supply means) for supplying water and a drain trap pipe 26 that discharges filth with the cleaning water so as to communicate with the bottom of the bowl portion 22 are provided. The water supply device 24 includes a water supply valve 28 connected to the downstream end of the indoor water supply pipe 6 and a water conduit 30 for supplying cleaning water from the water supply valve 28 to the bowl portion 22. In addition, a discharge port 32 is formed at the downstream end of the drain trap pipe 26 for discharging filth and washing water to the crushing and pressure feeding device 4.

Here, the toilet body 2 of the flush toilet apparatus 1 of the present embodiment described above is a wash-out toilet that discharges filth by a drop in the wash water in the bowl portion 22. However, the toilet main body 2 is not limited to this type, and can be applied to a siphon type or siphon jet type toilet, or a flap valve type toilet provided with a flap valve at the outlet 32 of the toilet main body 2. .
The water supply device 24 may be of a tank type that supplies cleaning water from a water storage tank.

  As shown in FIG. 2, the crushing and pressure feeding device 4 of the flush toilet apparatus 1 includes a crushing unit 34 that crushes filth and a pressure feeding unit 36 that crushes the crushed filth to the indoor drain pipe 8. The pulverizing unit 34 and the pressure feeding unit 36 are provided with a dual-purpose electric motor 38 for driving them. Here, the electric motor 38 is a DC brushless motor, and variable speed control is possible.

  Further, the flush toilet device 1 includes an operation unit 40 operated by the user, a notification unit 42 for notifying the user of status information of the flush toilet device 1, and an operation of the operation unit 40 by the user. A control unit 44 is provided for controlling the water supply device 24 and the crushing and pressure feeding device 4 and for notifying the notification unit 42 of the state information of the flush toilet device 1.

  The operation unit 40 is provided with an operation switch or the like, and the user can operate the start of the cleaning operation by the operation switch or the like. Further, when an operation switch or the like of the operation unit 40 is operated, the operation command is transmitted to the control unit 44, and the control unit 44 sends a water supply command to the water supply device 24 based on the command, and the water supply device 24 sends the bowl to the bowl. The unit 22 is supplied with water for a predetermined time, and the toilet body 2 is washed. Further, the control unit 44 sends an operation signal to the crushing and pressure feeding device 4 so as to operate the crushing and pressure feeding device 4. Further, the control unit 44 is configured to send the state information of the flush toilet apparatus 1 to the notification unit 42. In addition, the alerting | reporting part 42 is provided with an LED lamp and / or a small speaker etc., and can alert | report state information to a user visually and / or with an audio | voice. Furthermore, the notification unit 42 can notify the user of an abnormality by turning on or blinking the LED lamp according to a command from the control unit 44.

  Next, the pulverization and pressure feeding device 4 of the flush toilet device 1 will be described with reference to FIGS. FIG. 3 is a cross-sectional view showing a crushing and pumping device of a flush toilet apparatus according to an embodiment of the present invention, FIG. 4 is an enlarged cross-sectional view showing a pumping unit of the crushing and feeding device, and FIG. 5 is a pumping unit of the crushing and feeding device. FIG. 6 is a diagram schematically showing the flow of filth and washing water in the pumping chamber of the pumping unit of the pulverizing pumping device of FIG. 4 with the lower cover removed from the obliquely lower side with the lower cover removed. FIG. 7 is a diagram schematically showing the flow of filth and washing water in the pumping chamber of the pumping unit in the pulverization pumping device of the conventional flush toilet apparatus.

As shown in FIG. 3, the crushing and pressure feeding device 4 is connected to the discharge port 32 of the drain trap pipe 26 of the toilet body 2 described above, and the filth flows in along with the washing water.
The crushing and pressure feeding device 4 includes a storage tank 46, and a crushing unit 34 is provided inside the storage tank 46. The crushing part 34 has a crushing chamber 48, and this crushing chamber 48 is formed inside the peripheral wall 48a. The peripheral wall 48a of the crushing chamber 48 communicates with the discharge port 32 of the drain trap pipe 26 described above on one side thereof. A disk 50 for stirring the filth in the crushing chamber 48 is provided below the crushing chamber 48. The disk 50 is directly connected to a rotation shaft 52 (common rotation drive shaft) attached to the electric motor 38 and is rotatable. Furthermore, a large number of protrusions 50a are formed on the upper surface of the disk 50, and dirt is caught on these protrusions 50a and is easily stirred.

  Specifically, the arrows in FIG. 3 indicate the flow state of filth and washing water. As is clear from this arrow, the filth that descends on the disk 50 is rotated along with the washing water by the rotation of the disk 50. It moves to the outer peripheral side, collides with the peripheral wall 48a, then rises along the peripheral wall 48a, and further descends on the disk 50 while moving to the inner peripheral side. In this way, the filth is stirred and pulverized while swirling in the vertical direction. In this way, the pulverizing unit 34 constitutes a water splitting type pulverizing unit that stores cleaning water and decomposes filth by a water flow generated by stirring the stored cleaning water. The crushing unit 34 may be a crushing unit that physically crushes filth with a blade such as a cutter.

  As shown in FIG. 3, a large number of passage openings 48b (passage restricting portions) having a predetermined size are formed in the vicinity of the outer peripheral side of the disk 50 of the peripheral wall 48a. By these passage openings 48b, only the filth crushed to a predetermined size or less can pass through the peripheral wall 48a, while the passage of the filth larger than the predetermined size is restricted.

Next, the pumping unit 36 of the pulverizing pump 4 will be described in detail with reference to FIGS.
The pumping unit 36 forms a centrifugal pump capable of realizing a high head. The pumping unit 36 includes a pump chamber 56, a lower cover 57 is attached to the lower portion of the pump chamber 56, and an inflow port 58 through which filth and washing water flows is formed at the center of the lower cover 57. Yes. On the outer peripheral side of the pump chamber 56, an outlet 60 through which filth and washing water flows out is formed.
The pumping unit 36 further includes an impeller 62 which is disposed inside the side wall 64 of the pump chamber 56 and rotates within the pump chamber 56. The impeller 62 includes a disk-shaped disk part 66 and a protruding part 68 provided so as to partially protrude downward from the disk part.

  The disk portion 66 is disposed substantially horizontally above the inside of the side wall 64 of the pump chamber 56. The disk portion 66 is coupled to the lower end of the rotating shaft 52 and is rotated by the electric motor 38. The rotating shaft 52 extends at least between the crushing unit 34 and the pressure feeding unit 36, and drives the driving force of the disk 50 that stirs the washing water in the crushing unit 34 from the electric motor 38 (drive source) and the impeller 62 in the pressure feeding unit 36. It is formed as a common rotational drive shaft that transmits a driving force for rotating the disk portion 66.

  The disc portion 66 includes a crushing portion side surface 66a on the crushing portion 34 side of the disc portion 66, a radial flow passage surface 66b on the radial flow passage side of the disc portion 66, and a disc side surface 66c that forms a circular outer periphery of the disc portion 66. It has. As will be described later, the disc side surface 66 c of the disc portion 66 and the inner side wall 64 b of the pump chamber 56 are slightly separated from each other to form a gap portion 70. Further, the crushing portion side surface 66a of the disk portion 66 and the upper surface 56a of the pump chamber 56 are slightly separated from each other to form a clearance channel 82c. Therefore, the disk part 66 can be rotationally driven with respect to the upper surface 56 a of the pump chamber 56. Further, the gap channel 82c forms a relatively narrow channel between the crushing portion side surface 66a and the upper surface 56a.

  The two protrusions 68 of the impeller 62, that is, the two blade portions, have the same shape, are arranged point-symmetrically in plan view, and are centered on the inlet 58 by the respective inner wall surfaces 68a of the protrusions 68. Two radial flow paths 74 extending radially outward from the central portion are formed. Further, circumferential flow paths 76 extending in the circumferential direction are formed between the respective outer peripheral side wall surfaces 68 b of the two protrusions 68 of the impeller 62 and the side walls 64 of the pump chamber 56, and these circumferential flow paths 76 are formed. The upstream ends thereof communicate with the radial flow path 74, respectively, and the downstream ends thereof communicate with the outlet 60 of the pump chamber 56.

  In the radial flow path 74, due to the centrifugal force generated by the rotation of the impeller 62, filth and washing water are pushed out relatively strongly from the central portion toward the outside in the radial direction, and a relatively strong flow toward the outside. Will be formed. Here, in the present embodiment, the two radial flow paths 74 formed by the two protrusions 68 of the pumping section 36 form a single flow path that extends substantially linearly as a whole. As a modification, the radial flow path 74 of the impeller 62 may be a different shape or number of radial flow paths formed by different shapes and numbers of protrusions, for example, formed by three protrusions. There may be three radial flow paths, or four radial flow paths formed by four protrusions, or a large number of radial flow paths formed by a large number of protrusions. It may be.

  In the present embodiment, the impeller 62 that rotates in the pump chamber 56 of the pumping section 36 is provided with a disk portion 66 that is provided above the pump chamber 56 and that is attached to a rotating shaft 52 that extends upward, and the disk portion 66. In the flush toilet apparatus according to another embodiment, the impeller that rotates in the pump chamber of the pumping unit is provided below and below the pump chamber. A configuration may be provided that includes a disk portion attached to a rotating shaft extending to, and a protrusion provided so as to protrude upward from the disk portion.

Next, with reference to FIG. 4 to FIG. 6, the restricting portion and the gap portion of the pumping unit 36 of the pulverizing pump 4 will be described in detail.
A side wall 64 of the pump chamber 56 of the pumping unit 36 has a collision region 78 of the side wall 64 where dirt and cleaning water flowing from the radial flow path 74 toward the circumferential flow path 76 collide with each other due to centrifugal force generated by the rotation of the impeller 62. And a regulating portion 80 that is provided between the side wall 64 and the gap portion 70 formed between the disk portion 66 and makes it difficult for filth and washing water to flow into the gap portion 70 from the collision region 78. Yes.

  The side wall 64 of the pump chamber 56 of the pumping unit 36 is disposed on the radially inner side with respect to the outer side wall 64a and the outer side wall 64a forming a vertical wall surface on the side facing the outlet of the radial flow path 74 in the pump chamber 56. In addition, the pump chamber 56 includes an inner side wall 64 b that forms a vertical wall surface of a side portion facing a part of the disk side surface 66 c of the disk portion 66.

  The outer side wall 64 a has a lower portion connected to the lower cover 57 and an upper portion connected to the restriction portion 80. The outer side wall 64 a is formed on the radially outer side of the radial flow path 74 and on the radially outer side of the circumferential flow path 76. As shown in FIGS. 4 and 6, the outer side wall 64 a has a height that is greater than the height of the radial flow path 74, and accordingly, in the horizontal direction, the radial direction of the radial flow path 74 is formed. It is formed so as to cover the outside.

  The outer side wall 64 a has a collision area 78 where dirt and cleaning water that reach the circumferential flow path 76 from the radial flow path 74 collide by centrifugal force generated by the rotation of the impeller 62. In such a collision region 78, the washing water that flows linearly outward from the center of the impeller 62 maintains its flow and collides so as to be pressed against the outer side wall 64a. When the washing water collides, the collision region 78 is in a state where a region having a relatively high water pressure is formed. Accordingly, the filth and the washing water form a flow that expands vertically from the collision region 78 to the peripheral direction as well as the height direction from the high water pressure region to the relatively low surrounding region. Of the expanding flow, the flow that tends to flow from the collision region 78 toward the gap 70 can be regulated by the regulating unit 80.

  The inner side wall 64 b has a lower portion connected to the restriction portion 80 and an upper portion connected to the upper surface 56 a of the pump chamber 56. The inner side wall 64b has a lower end 64c disposed between the crushing portion side surface 66a of the disk portion 66 and the radial flow path surface 66b. The lower end 64c of the inner side wall 64b is provided at a position separated from the radial flow path surface 66b on the radial flow path side of the disk portion 66 by a predetermined distance D1 in the height direction.

  The restricting portion 80 is provided between the upper end 64d of the outer side wall 64a and the lower end 64c of the inner side wall 64b so as to connect the outer side wall 64a and the inner side wall 64b. The restricting portion 80 forms a step portion extending radially inward from the outer side wall 64a between the outer side wall 64a and the inner side wall 64b. More specifically, the restricting portion 80 is formed to extend in a horizontal direction that is substantially perpendicular to the outer side wall 64a and the inner side wall 64b that extend substantially vertically.

  In the side wall 64 of the pump chamber 56, the restricting portion 80 prevents a linear flow path that can linearly connect the collision region 78 and the gap portion 70 on the same plane, and / or the collision region. 78 and the gap 70 are arranged so as not to form a linear flow path that can be connected linearly on the same plane. In other words, of the dirt and washing water that has collided with the collision area 78, the washing water that tends to flow along the outer side wall 64a is substantially linear along the same plane. The restricting portion 80 suppresses and / or restricts the flow into the gap portion 70 on the extension line of the flow. The restricting portion 80 forms a step or the like so as to restrict the filth and the washing water spreading from the relatively high pressure region near the collision region 78 from flowing into the gap portion 70 as they are along the same plane. The regulation part 80 can change the direction of the flow of the filth and the washing water corresponding to itself and weaken the momentum of the flow. The restricting portion 80 is disposed at a height position higher than the collision region 78 radially outward of the flow path in the radial flow path 74. That is, the restricting portion 80 is disposed on the outer side in the height direction of the collision region 78 and on the disk portion 66 side. The restricting portion 80 is provided at a predetermined distance D1 in the height direction from the radial flow passage surface 66b on the radial flow passage side of the disk portion 66.

The gap portion 70 is formed between the inner side wall 64b connected to the inside of the restricting portion 80 and the disc portion 66. The gap portion 70 extends from the radial channel surface 66b on the radial channel side of the disc portion 66. It is provided at a position separated by a predetermined distance D1 in the height direction.
These predetermined distances D1 are such that even if the flow of the washing water or the like flowing out from the radial flow path 74 on the radial flow path surface 66b spreads upward, this flow directly flows into the gap portion 70 or inside. The distance is such that it does not collide with the lower end 64c of the side wall 64b.
In order to reduce the size of the pump and increase the efficiency of the pump performance, the gap portion 70 has a disk side surface 66c disposed close to the inner wall surface 68a and has a relatively small gap size. In the cross section as shown in FIG. 6, the gap 70 has a flow path width of 0.5 mm to 20 mm in the gap 70.

The crushing and pressure feeding device 4 is formed so that the crushing part 34 and the pressure feeding part 36 communicate with each other and a part thereof passes on the outer peripheral surface of the common rotating shaft 52 between the crushing part 34 and the pressure feeding part 36. , And another part is provided with a rotating shaft surrounding channel 82 formed so as to pass between the disk portion 66 and the pressure feeding portion 36.
A pressure feeding unit 36 is provided below the grinding chamber 48 of the grinding unit 34, and a rotating shaft 52 extends from the electric motor 38 through the grinding unit 34 into the pressure feeding unit 36. The rotating shaft 52 is attached to the disk 50 in the crushing part 34 and is attached to the disk part 66 in the pumping part 36.

On the back side (lower side) of the disk 50 below the crushing chamber 48, a crushing chamber lower flow path 82 a is formed between the disc 50 and the crushing chamber 48. By forming the crushing chamber lower flow path 82 a, the disk 50 can be driven to rotate without contacting the bottom surface of the crushing chamber 48. Between the crushing part 34 and the pressure feeding part 36, an opening part 84 is formed near the center in the radial direction. In the opening portion 84, the rotation shaft 52 is disposed at the center, and a region on the outer peripheral surface of the rotation shaft 52 in the opening portion 84 forms an outer peripheral surface flow path 82b. Thus, by forming the outer peripheral surface flow path 82b passing on the outer peripheral surface of the rotating shaft 52, wear of the common rotating shaft 52 and / or frictional resistance (rotational resistance) of the rotating shaft 52 is reduced. can do.
Further, in the portion of the clearance passage 82c formed between the disc portion 66 and the pumping portion 36 in the passage 82 around the rotating shaft, the clearance passage 82c is formed, so that the disc portion 66 is pumped. The chamber 56 can be driven to rotate without contacting the upper surface 56 a of the chamber 56.

  As described above, the rotation shaft peripheral flow path 82 passes through the crushing chamber lower flow path 82a on the back surface side (lower side) of the disk 50 from a slight gap between the crushing chamber 48 and the disk 50, and the rotation shaft 52 A flow path is formed which passes through the outer peripheral surface flow path 82b passing on the outer peripheral surface, passes through the gap flow path 82c formed between the disk portion 66 and the pressure feeding section 36, and reaches the gap portion 70. The filth and the washing water can flow from the crushing chamber 48 to the pressure feeding section 36 through the flow path around the rotating shaft 82 and can flow from the pressure feeding section 36 to the crushing chamber 48 through the flow path around the rotating shaft 82. it can. The slight gap between the crushing chamber 48 and the disk 50 forms a very small gap (a gap smaller than the passage opening 48b). 82, and the flow rate of the flow of the filth and the washing water through the flow path 82 around the rotation axis is very small compared to the flow rate of the flow flowing through the flow channel 54. Yes.

In the present embodiment, the inner side wall 64b is disposed radially inward of the outer side wall 64a, the restricting portion 80 extends radially inward, and the gap portion 70 is a different wall surface radially inward from the collision region 78. Formed on top.
On the other hand, as another embodiment, the side wall of the pump chamber is not formed in separate planes of the inner side wall and the outer side wall, and the side wall is formed as one vertical wall surface from the lower end to the upper end of the pump chamber, and thus the gap The part and the collision area may be arranged side by side on the same wall surface. In this case, the restricting portion can be formed as a protruding portion or a protruding portion that protrudes inward from the side wall between the gap portion and the collision region. That is, the restricting portion is disposed on the side wall of the pump chamber so as to prevent a flow path that linearly connects the collision region and the gap portion on the same plane. That is, since the flow of filth and washing water from the collision area toward the gap collides with the restricting portion, it is difficult to flow into the gap. Thus, also in other embodiments, the side wall includes a collision region of the side wall where the filth and the washing water that flow from the radial flow path toward the circumferential flow path collide with the centrifugal force generated by the rotation of the impeller, and the side wall. And a restricting portion that is provided between the gap portion and the disc portion, and makes it difficult for filth and washing water to flow into the gap portion from the collision area.

  Next, the operation (action) of the flush toilet apparatus according to the embodiment of the present invention described above will be described with reference to FIGS. In FIG. 2 thru | or FIG. 6, each arrow has shown the flow state of filth and washing water.

  First, the cleaning operation is started when the user operates an operation switch or the like of the operation unit 40 in order to clean the toilet body 2 with cleaning water. When an operation switch or the like of the operation unit 40 is operated, the operation command is transmitted to the control unit 44, and the control unit 44 sends a water supply command to the water supply device 24 based on the command, and the bowl unit 22 is supplied from the water supply device 24. The water supply is performed for a predetermined time, and the toilet body 2 is washed. Further, an operation command is sent from the control unit 44 to the electric motor 38, and the rotation operation of the electric motor 38 is started.

  The filth and the washing water are discharged from the drain trap pipe 26 due to the drop of the washing water, flow into the crushing chamber 48 of the crushing and pressure feeding device 4 through the discharge port 32, and descend onto the disk 50. In the crushing chamber 48, the disk 50 has already been rotated, and the filth that has descended onto the disk 50 moves to the outer peripheral side by the rotation of the disk 50 together with the washing water, collides with the peripheral wall 48a, and then enters the peripheral wall 48a. Ascending, and further descending while moving to the inner peripheral side, thus stirring and pulverizing while turning in the vertical direction (see FIG. 3).

  Next, as shown in FIGS. 3 and 4, a large number of passage openings 48b having a predetermined size are formed in the vicinity of the outer peripheral side of the disk 50 of the peripheral wall 48a. Of these, those smaller than the size of the passage opening 48b are discharged from the passage opening 48b to the flow path 54 on the downstream side. Note that the filth larger than the size of the passage opening 48b is continuously stirred and pulverized in the pulverization chamber 48 until the size becomes a predetermined size or less.

  The crushed filth flows into the pump chamber 56 together with the washing water from the flow path 54 and from the inlet 58 formed at the center of the lower surface of the pump chamber 56 of the pumping section 36. As shown in FIG. 6, the filth and washing water that flowed into the pump chamber 56 flows into the radial flow path 74 formed between the protrusions 68, and as shown by an arrow A1, the center of the pump chamber 56 Flows from the radial flow path 74 toward the circumferential flow path 76 due to the centrifugal force generated by the rotation of the impeller 62. In addition, the filth and the washing water pushed out from the radial flow path 74 to the outer peripheral side of the circumferential flow path 76 by centrifugal force collide with the collision region 78 of the side wall 64 while maintaining the momentum and direction of the flow. . As shown by the arrow A2, the dirt and the cleaning water that collide with the collision area 78 form a flow that expands vertically from the collision area 78 in the height direction as well as in the circumferential direction. In the circumferential flow path 76, a relatively strong flow in which filth and washing water flow toward the outflow port 60 is formed, and the flow spreading in the circumferential direction from the collision region 78 becomes a flow toward the outflow port 60. . On the other hand, as indicated by an arrow A2, there is a flow that expands vertically from the collision region 78 in the height direction.

  Here, the flow of the filth and the washing water, which tends to expand in the vertical direction from the collision area 78, flows along the outer side wall 64a and collides with the restricting portion 80. As shown by an arrow A3 in FIG. 5, the flow that has collided with the restricting portion 80 flows in the direction of the outlet 60 of the circumferential flow path 76 (in the direction toward the front side or the back side in FIG. 6). . Of the filth and cleaning water that has collided with the collision region 78, the cleaning water that is about to flow along the outer side wall 64a flows into the gap 70 as a substantially linear flow along the same surface. Are to be controlled and / or regulated. Also, in the vicinity of the restricting portion 80, the flow that flows outward in the radial direction is dominant due to the centrifugal force generated by the rotation of the impeller 62, and the flow that flows inward in the radial direction is formed so as to oppose the centrifugal force. It has become difficult. Therefore, the flow of the filth and the cleaning water that has reached the restricting portion 80 is difficult to flow toward the gap portion 70. Therefore, as shown in FIG. 6, it is possible to make it difficult for the fibrous foreign matter F contained in the filth to flow into the gap portion 70 from the collision region 78, so that the fibrous foreign matter F flows into the disc portion 66 and the pump chamber 56. As a result, the disk portion 66, that is, the impeller 62, can be prevented from rotating and being motor-locked.

  Further, the restricting portion 80 is provided at a position separated by a predetermined distance D1 in the height direction from the flow of filth and washing water toward the circumferential flow path 76 and the collision area 78 along the radial flow path surface 66b. Further, the gap 70 provided on the inner side wall 64b to which the restricting portion 80 is connected also from the flow of dirt and washing water flowing toward the circumferential flow path 76 and the collision area 78 along the radial flow path surface 66b. It is provided at a position separated by a predetermined distance D1 in the height direction. Therefore, the filth and washing water flowing from the radial flow path surface 66b of the radial flow path 74 toward the circumferential flow path 76 directly flows into the gap 70 before colliding with the collision area 78, or the inner side wall 64b. It can suppress more reliably that it collides with the lower end 64c.

  As shown in FIG. 6, in the rotary shaft peripheral flow channel 82, dirt and cleaning water are difficult to flow into the gap portion 70, so the flow of cleaning water flowing from the gap portion 70 toward the gap flow channel 82 c. Is not formed. Therefore, as shown by the arrow A4, the filth and the washing water form a flow from the crushing chamber 48 through the crushing chamber lower flow path 82a, the outer peripheral surface flow path 82b, and the gap flow path 82c to reach the gap portion 70. Or the washing water is almost retained in these flow paths.

  Since the cleaning water can flow between the crushing part 34 and the pressure feeding part 36 in the flow path 82 around the rotating shaft, a gap formed between the disk part 66 and the pressure feeding part 36. The flow path 82c is formed as a partial flow path of the rotary shaft surrounding flow path 82 through which filth and washing water can flow. What is the conventional installation gap between the disk portion 66 and the pressure feeding portion 36? Technical implications are different. Such a rotary shaft peripheral channel 82 is provided as a unique channel in the non-installation flush toilet apparatus in which the crushing unit 34 and the pressure feeding unit 36 are commonly driven by a common rotary shaft. Furthermore, problems caused by the flow of fibrous foreign matter and washing water through the flow path 82 around the rotating shaft are also inherent problems of the non-installation type flush toilet apparatus.

  Thereafter, the filth and washing water in the pump chamber 56 are discharged from the outlet 60. The filth and the washing water discharged by the pumping unit 36 pass through the indoor drain pipe 8 and are discharged to the outdoor drain pipe 20, and the filth discharging operation is completed.

Next, the effect by the flush toilet apparatus 1 by this embodiment mentioned above is demonstrated.
First, in the flush toilet apparatus 1 according to the present embodiment, when a foreign substance such as “box tissue” or “wiping wiping wipe” is passed through the toilet body 2, it is pulverized by the pulverizing unit 34 to become a fibrous state, and the pumping unit 36. The fibrous foreign matter F and the cleaning water that flow into the pumping unit 36 from the inflow port 58 flow from the radial channel 74 toward the outer circumferential channel 76 by the centrifugal force generated by the rotation of the impeller 62. When dirt and cleaning water colliding with the collision region 78 of the outer side wall 64 from the radial flow path 74 flow into the gap formed between the side wall 64 and the disk portion 66 from the collision region 78, together with the cleaning water. The fibrous foreign matter F flows into this gap, and the fibrous foreign matter F grows entangled between the disc portion 66 and the pumping portion 36, so that the disc portion 66, that is, the impeller 62 cannot rotate and is motor-locked. Problem occurs.
However, according to the flush toilet apparatus 1 according to the present embodiment, the side wall of the pumping unit 36 flows from the radial flow path 74 toward the circumferential flow path 76 due to the centrifugal force generated by the rotation of the impeller 62 and the side wall 64. Since the regulation part 80 which makes it difficult for the filth and washing water which collide to the collision area | region 78 to flow into the clearance gap part 70 from the collision area | region 78 is provided, the fibrous foreign material F is between the disk part 66 and the pumping part 36. It is possible to prevent the disk portion 66, that is, the impeller 62 from rotating and being motor-locked.

  Further, according to the flush toilet apparatus 1 according to the present embodiment, the gap 70 is formed between the inner side wall 64b and the disk portion 66, so that the filth and the washing water colliding with the collision region 78 of the outer side wall 64a. From this collision area 78, it is difficult to flow inward in the radial direction so as to counter the centrifugal force, and it is possible to make it difficult to flow into the gap portion 70 formed radially inward from the collision area 78.

  Furthermore, according to the flush toilet apparatus 1 according to the present embodiment, the restricting portion 80 has a height from the flow of filth and washing water flowing toward the circumferential flow path 76 and the collision area 78 along the radial flow path surface 66b. It is provided at a position separated by a predetermined distance in the direction. Further, the gap 70 provided on the inner side wall 64b to which the restricting portion 80 is connected also from the flow of dirt and washing water flowing toward the circumferential flow path 76 and the collision area 78 along the radial flow path surface 66b. It is provided at a position separated by a predetermined distance in the height direction. Therefore, the filth and the washing water flowing from the radial flow path surface 66b of the radial flow path 74 toward the circumferential flow path 76 are more reliably suppressed from flowing into the gap portion 70 before colliding with the collision area 78. can do.

  Furthermore, according to the flush toilet apparatus 1 according to the present embodiment, the common rotating shaft 52 is disposed between the pulverizing unit 34 and the pressure feeding unit 36, and wear of the common rotating shaft 52 is reduced. The rotating shaft peripheral channel 82 is formed so as to pass on the outer peripheral surface of the common rotating shaft 52, and the fibrous foreign matter F together with the cleaning water is formed on the outer peripheral surface of the common rotating shaft 52 formed in part and Even in the case where it has a structure that can flow into the gap flow path 82c between the disk part 66 and the pumping part 36 formed in the other part, dirt and washing that collide with the collision region 78 of the side wall 64 Since the regulation part 80 which makes it difficult to flow water into the clearance part 70 from the collision area 78 is provided, the fibrous foreign material F is between the disk part 66 and the pressure feeding part 36, and / or on the common rotating shaft 52. By tangling and growing, the disk part 66, ie, the It is possible to prevent the peller 62 from rotating and being locked by the motor.

DESCRIPTION OF SYMBOLS 1 Flush toilet apparatus 2 Toilet body 4 Crushing pressure feeding apparatus 6 Indoor water supply pipe 8 Indoor drain pipe 10 Floor 12 Leg 14 Armrest 16 Building 16a Indoor 16b Outdoor 18 Outdoor water supply pipe 20 Outdoor drain pipe 22 Bowl section 24 Water supply apparatus 26 Drain trap pipe Channel 28 Water supply valve 30 Water guide channel 32 Discharge port 34 Crushing unit 36 Pressure feeding unit 38 Electric motor 40 Operation unit 42 Notification unit 44 Control unit 46 Storage tank 48 Crushing chamber 48a Perimeter wall 48b Passing opening 50 Disc 50a Protrusion 52 Rotating shaft 54 Channel 56 Pump chamber 56a Upper surface 57 Lower cover 58 Inlet port 60 Outlet port 62 Impeller 64 Side wall 64a Outer side wall 64b Inner side wall 64c Lower end 64d Upper end 66 Disc portion 66a Grinding portion side surface 66b Radial flow path surface 66c Disc side surface 68 Protruding portion 68a Inner wall surface 68b Outer periphery Side wall surface 70 Clearance portion 74 Radial flow path 76 Circumferential flow path 7 Collision area 80 Restriction part 82 Rotary shaft peripheral flow path 82a Crushing chamber lower flow path 82b Outer peripheral surface flow path 82c Clearance flow path 84 Opening portion 136 Pumping part 152 Rotating shaft 162 Impeller 164 Side wall 166 Disc part 170 Clearance 174 Radial flow path 178 Collision area F Fibrous foreign matter

Claims (4)

A non-stationary flush toilet device,
The toilet body,
Water supply means for supplying cleaning water to the toilet body,
A pulverizing section for pulverizing the waste discharged together with the washing water from the toilet body,
A pumping unit for pumping the waste and washing water crushed by the pulverizing unit;
A flexible drain pipe for discharging the filth and the washing water pumped by the pumping unit to the outside, and is provided between the pulverizing unit and the pumping unit, and pulverized to a predetermined size or less by the pulverizing unit. A passage restricting part that passes the filth and sends it to the pumping part,
The pumping part
An impeller that is disposed inside the side wall of the pumping unit and rotates within the pumping unit, and includes a disk-shaped disk unit and a projecting unit that partially protrudes from the disk unit. The impeller,
A radial direction formed between the inflow port formed in the central portion of the pumping portion, the outflow port formed in the outer peripheral portion of the pumping portion, and the protrusion and extending toward the outer periphery. A centrifugal pumping section including a flow path and a circumferential flow path that extends in a circumferential direction around the outer periphery of the impeller and communicates with the outlet.
The side wall of the pumping unit includes a collision area of the side wall where dirt and cleaning water that flow from the radial flow path toward the circumferential flow path collide by centrifugal force generated by the rotation of the impeller, and the side wall. A flush toilet apparatus provided with a restricting portion that is provided between a gap portion formed between the disk portion and the disk portion and makes it difficult for filth and washing water to flow into the gap portion from the collision area. The side wall of the pumping unit includes an outer side wall having the collision area, and an inner side wall formed radially inward of the outer side wall,
The gap is formed between the inner side wall and the disk part,
The flush toilet apparatus according to claim 1, wherein the restricting portion extends radially inward of the pumping portion and connects the outer side wall and the inner side wall. The restricting portion is provided at a position spaced a predetermined distance in the height direction from the radial flow path surface on the radial flow path side of the disk portion,
The flush toilet apparatus according to claim 2, wherein the gap portion is provided at a position spaced a predetermined distance in the height direction from a radial flow path surface on the radial flow path side of the disk portion. Further, a common rotational drive shaft that extends between at least the pulverizing unit and the pressure feeding unit and transmits a driving force for stirring the washing water in the pulverizing unit and a driving force for rotating the impeller in the pressure feeding unit from a driving source. When,
The crushing part and the pressure feeding part are communicated, and a part thereof is formed so as to pass on the outer peripheral surface of the common rotary drive shaft between the crushing part and the pressure feeding part, and the other part is formed. The flush toilet apparatus according to any one of claims 1 to 3, further comprising a rotating shaft surrounding passage formed so as to pass between the disk portion and the pumping portion.

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