JPH09203097A - Excrement suction and discharge device by jet pump - Google Patents

Abstract

PROBLEM TO BE SOLVED: To contrive to shorten an excrement time, simplify this device and reduce the size of the device by providing a suction pipe on a jet pump which produces a negative pressure by spraying pressure water and sucking up the excrement of the cared or the like and discharging as a mixed air jet flow. SOLUTION: Water 14 in a water storage tank 5 is pressurized with a submerged pump 6 or the like and the pressurized water is sprayed into a suction chamber from a spray nozzle 7, thereby forming a jet pump MJP which produces a negative pressure. This jet pump MJP is used to suck up the excrement of the cared 4 on a bed 3 where the excrement is crushed and exposed to air by a mixed air jet flow, thereby discharging the excrement from a discharge outlet 12 to an onsite wastewater treatment equipment septic tank or a drain tank 13 and so forth. In the case where this jet pump MJP is set up on a car or the like, the water storage tank 15 is connected to the drain tank 13 where a deodorant or the like is added into the drain tank 13 and water is circulated and used. In this case, the exhaust gas of the car can be used to drive the pump. This construction makes it possible to discharge bodily wastes with higher efficiency and simplify the device and reduce the size of the device as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for sucking excrement generated in a room such as a patient room or a car by negative pressure and sending the excreted material.

[0002]

2. Description of the Related Art For example, when a bed-ridden sick person in a hospital room or an elderly person needs care, a care person such as a nurse puts his / her back on his / her back and inserts a toilet bowl or a bottle between the buttocks and the bedding. After doing so, while cleaning the local area,
It is generally known to take out the toilet bowl or bottle that has been used up, and to flush the human waste collected in the toilet bowl or bottle to the treatment plant (sewer).

However, there is a problem that such human waste treatment requires a great deal of time for one care recipient, and because of the shortage of care workers such as nurses these days, the care recipient can only go to the care recipient on a regular basis. During the meantime, there was a problem in that there was no choice but to wear a "diaper", which is prone to irritation and rash, for human waste.

[0004] In addition, the use of a urinal is not only easy to notice because the odor is easily spread around the urine, but also to prevent the caregiver from applying the urinal to a local area so that it does not spill. Since the patient is required to be careful while watching, it may lead to complications of other diseases such as cystitis due to refusal to urinate due to mental stress such as shame.

When cystitis due to refusal of urination occurs, not only is refusal of urination caused by mental stress such as the above-mentioned shame, but also, for example, when the user desires to urinate during a traffic jam on a highway. It can also occur physically.

Therefore, in order to solve the above problem, a negative pressure generated by a vacuum device such as a plunger pump or a blower is applied to the reservoir tank to reduce pulsation and the like, and the negative pressure causes excrement to enter the reservoir tank. Some have been studied or proposed that have been designed to be sucked and stored.

[0007]

However, in the case where the excrement is sucked and stored in the reservoir tank by the negative pressure generated by the vacuum device, when the excrement reaches a certain amount in this reservoir tank, Further, there is a problem in that it has to be sucked up by a suction pump or the like and flowed into a drain (sewer) or transferred to a septic tank, which requires a great deal of time and labor.

In addition to the vacuum device, a sucking device for sucking and transporting excrement from the reservoir tank is required, and the sucking device increases the size of the entire device and increases the equipment cost. There was also the problem that running costs would be high.

In addition, when the excrement stored in the reservoir tank is stored in the septic tank for purification, a separate aeration process must be performed to accelerate the decomposition by bacteria. In addition, there is a problem in that an aeration device is also required and the initial cost and running cost of the excrement disposal device become high.

The present invention has been proposed in view of the above problems, and it is an object of the present invention to provide an apparatus capable of performing suction, flow and aeration easily and in a short time. is there.

[0011]

In order to achieve the above object, an excrement suction and delivery apparatus using a jet pump according to the present invention comprises a fluid pressurizing means and a pressure fluid pressurized by the fluid pressurizing means. A jet pump is formed by including a jet nozzle for jetting and a negative pressure forming pipe for forming a negative pressure by the pressure fluid jetted from the jet nozzle, and a suction port is formed in a negative pressure forming portion in the negative pressure forming pipe of the jet pump. And a suction port communicating with the suction port that opens toward the excrement generated in the room through a suction pipe, and an exhaust port for discharging the gas discharged from the negative pressure forming pipe or the discharge port. It is characterized by opening the outside of the room.

The pressure fluid pressurized by the fluid pressure means may be air or a liquid may be used, and a closed container type reserve tank may be provided in the suction path of the suction pipe. It is also characterized in that the room is a cabin for moving vehicles or the like.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of an excrement suction and delivery apparatus using a jet pump according to the present invention will be described with reference to the drawings. <Embodiment 1> FIG. 1 is a perspective view of an excrement processing system for treating excrement of a sick person, in which reference numeral 1 generally indicates the excrement suction / sending system.

The excrement suction and delivery processing system 1 is for treating human waste and the like of a bedridden patient 4 lying on a bed 3 in a patient room 2, and a water storage tank 5 and a water storage tank 5.
A submersible pump (pressurizing means) 6 provided in the submersible pump, a jet pump MJP for ejecting pressure water pressurized by the submersible pump 6 from a jet nozzle 7 to form a negative pressure, and a jet pump MJP
Of the jet pump MJP is connected to the suction port 8 of the jet pump MJP, and the suction opening 9 at the tip thereof is opened toward the buttocks (excretion part) 10 of the patient 4.
It is opened toward.

The jet pump MJP is provided with a jet nozzle 7 for sucking the water 14 in the water storage tank 5 by the submersible pump 6 and jetting pressurized water, and a concentric shape in front of the jet nozzle 7. A large-diameter negative pressure forming tube 15, a suction chamber 16 formed between the injection nozzle 7 and the negative pressure forming tube 15,
Suction port 8 formed in the suction chamber 16 and connected to the suction pipe 11
It is comprised including.

Reference numeral 17 in the drawing is a negative pressure adjusting suction hole formed in the suction opening 9 of the suction pipe 11, and a strong negative pressure generated by the jet pump MJP is directly applied to the buttocks 10 of the patient 4. The purpose is to prevent it from acting.

The operation of the excrement suction and delivery system by the jet pump of the present invention will be described below through the excrement disposal system constructed as described above. First, the submersible pump 6 is operated to suck and pressurize the water 14 in the water storage tank 5, and pressure-feed it to the jet nozzle 7 of the jet pump MJP. This pressurized pressure water is supplied from the injection nozzle 7 to the negative pressure forming pipe 15
When jetted to the negative pressure forming tube 1,
5, the portion of the negative pressure forming tube 15 is fully expanded, and the widened portion continuously works in the negative pressure forming tube 15 toward the outlet 12, and acts like a piston to suck the negative pressure forming tube 15. A negative pressure due to so-called "cavitation" is formed in the chamber 16 side portion.

When a negative pressure is formed in the suction chamber 16 side portion of the negative pressure forming tube 15 in this way, this negative pressure acts from the suction port 8 of the suction chamber 16 through the suction tube 11 to the suction opening 17 and excreted excrement. After being sucked into the suction chamber 16, the suction flow is sucked from the suction chamber 16 into the jet flow flowing through the negative pressure forming pipe 15 to be mixed. At this time, the negative pressure acting on the suction opening 9 is adjusted by the air sucked from the negative pressure adjusting intake hole 17, and acts gently on the buttocks 10 of the patient 4.
The air sucked from the negative pressure adjusting suction port 17 enters the suction chamber 16 through the suction pipe 11 together with the human waste, and is sucked and mixed by the jet flow from here, so that the negative pressure forming pipe 15
The jet flow that flows inside becomes a mixed air jet flow.

When the mixed air jet flow thus formed is sent while spreading through the negative pressure forming pipe 15, the air bubbles in the mixed air jet flow act as a cushion with the inner peripheral surface of the negative pressure forming pipe 15 to provide a negative pressure. It is possible to prevent the flow force of the mixed air jet flowing in the pressure forming pipe 15 from being lowered due to friction,
A strong and large amount of negative pressure is formed in the suction chamber 16 side.

The human waste containing the solid mass sucked into the negative pressure forming tube 15 is finely crushed and aerated when being taken in while colliding with the strong mixed air jet stream flowing there. It is sent to the discharge port 12 while being fluidized, and discharged from the discharge port 12 to the outdoor drainage groove 13.

<Embodiment 2> In this embodiment, as shown in FIG. 2, a reservoir tank 18 is interposed in the path of the suction pipe 11 in Embodiment 1 described above, and the other structure is the same as that of Embodiment 1. It is configured. This reservoir tank 18
In the closed container 19, a suction pipe 11 from the suction opening 9 and a suction pipe 11 communicating with the suction port 8 of the jet pump MJP are individually attached.

The end of the suction pipe 11 extending from the suction opening 9 extends near the bottom of the closed container 19 to be opened, and the end of the suction pipe 11 communicating with the suction port 8 of the jet pump MJP is It is opened at the ceiling portion 20 of the hermetically-sealed container 19, and the hermetically-sealed container 19 can be inverted from the state of the solid line diagram to the state of the imaginary line diagram.

In the excrement disposal system of the present embodiment constructed as described above, the high pressure water pressurized by the submersible pump 6 is sent under pressure to the jet nozzle 7 of the jet pump MJP as in the case of the first embodiment. When injected toward the pressure forming tube 15,
The jet flow spreads in the negative pressure forming tube 15 to the full, and a negative pressure due to so-called "cavitation" is formed in the suction chamber 16 side portion of the negative pressure forming tube 15.

When a negative pressure is formed in the suction chamber 16 side portion of the negative pressure forming pipe 15, this negative pressure acts on the reservoir tank 18 from the suction port 8 of the suction chamber 16 through the suction pipe 11 and the inside of the reservoir tank 18 To a negative pressure. The negative pressure in the reservoir tank 18 acts on the suction opening 9 through the suction pipe 11, sucks excreted excrement into the suction chamber 16 and is stored therein, and after gas / liquid separation is performed therein, gas (air) is generated. The inside of the reservoir tank 18 is maintained in a negative pressure state by being sucked by the jet flow in the negative pressure forming pipe 15 via the suction pipe 11.

Therefore, it is possible to continuously suck the excrement such as human waste generated in the room 2 into the reservoir tank 18 from the suction opening 9.

When a predetermined amount of human waste is accumulated in the reservoir tank 18, the closed container 19 of the reservoir tank 18 is inverted from the state of the solid line diagram to the state of the imaginary line diagram while operating the jet pump MJP. Then, the ceiling portion 20 of the hermetically sealed container 19 has become the bottom portion so far, the end portion of the suction pipe 11 from the suction opening 9 is exposed on the liquid surface of the human waste, and the suction pipe communicating with the suction port 8 of the jet pump MJP is provided. Since the end of 11 is buried in the lower part of human waste, the human waste in the sealed container 19 is sucked into the suction port 18 of the jet pump MJP from the end of the suction pipe 11 communicating with the suction port 11 of the jet pump MJP, Jet pump MJP outlet 1
It is possible to flow from 2 to the outdoor drain groove 13.

Further, in the case where the reservoir tank 18 is provided in the path of the suction pipe 11 as in the present embodiment, when the daily amount of human waste is recorded for the reason of, for example, treatment or health management. It can be particularly convenient. That is, when recording the daily amount of urine, the closed container 19 of the reservoir tank 18 is provided with a volume scale (not shown) on its side surface, and at least the portion with this volume scale is made transparent. To do.

By thus making the volume-scaled portion of the hermetically-sealed container 19 transparent, merely looking at the raw sewage stored in the hermetically-sealed container 19 through the volume-scale causes the hands to become dirty and the odor to be scattered around. The amount can be accurately measured in a clean state without emission. Further, in the case where the reservoir tank 18 is provided in the path of the suction pipe 11 as in the present embodiment, if a chemical solution for disinfection or sterilization is stored in the closed container 19 of the reservoir tank 18 in advance, bacteria There is also an advantage that the disinfection and sterilization of human excrement of a patient who has pathogenic germs of infectious or infectious nature can be surely disinfected and sterilized without dissipating the pathogens to the surroundings.

<Embodiment 3> As shown in FIG. 3, this embodiment relates to an excrement processing system for human waste including sewage collected by a household equipped with a septic tank, and the submersible pump 6 in Embodiment 1 is used. The jet pump MJP and the jet pump MJP are installed in the septic tank 21, and other configurations are substantially the same as those in the first embodiment.

That is, the decomposed human waste 22 stored in the septic tank 21 is sucked and pressurized by the submersible pump 6, and the jet pump is used.
It is supplied to the injection nozzle 7 of the MJP, and the pressurized decomposed human waste is injected downward from the injection nozzle 7 toward the negative pressure forming tube 15 to form a negative pressure in the negative pressure forming tube 15 on the injection nozzle 7 side. At the same time, the human waste of the patient 4 is sucked into the suction chamber 16 through the suction pipe 11 by this negative pressure, is sucked into the jet flow in the negative pressure forming pipe 15 from here, and is discharged from the discharge port 12 into the septic tank 21. Of.

The excrement sucked from the suction chamber 16 into the jet flow in the negative pressure forming pipe 15 is agitated and mixed by the jet flow with a large amount of air sucked together with the excrement from the negative pressure adjusting intake hole 17 while being aerated. Since it is released to the septic tank 21, the decomposition and purification by bacteria in the septic tank 21 can be further activated. Needless to say, also in this embodiment, the reservoir tank 18 can be provided in the path of the suction pipe 11 as in the second embodiment.

In each of the above embodiments, the jet pump MJ
Although the pressure fluid is directly injected from the injection nozzle 7 of P to the negative pressure forming pipe 15, the pressure fluid is once injected from the injection nozzle 7 to the air-fuel mixture jet forming pipe (not shown), and this air-fuel mixture jet is generated. Suction air with the negative pressure formed in the forming tube,
The sucked air is mixed with the jet flow in the mixed air jet forming pipe to form a mixed air jet, and this mixed air jet is jetted from the mixed air jet forming pipe to the negative pressure forming pipe 15 so as to be sent to the negative pressure forming pipe 15. Of course, a negative pressure may be formed in the forming pipe 15.

In each of the above embodiments, the patient 4 lying on the bed 3 is described as an example, but the invention can be applied to a wheelchair of a patient in a wheelchair. Using a wheelchairFor example, for a patient with a lower body and the elderly, it is relatively easy to get on a wheelchair from the bed, but it is difficult to use a toilet bowl from the wheelchair, so add a wheelchair To do so.

That is, although not shown, a suction opening for sucking excrement is provided in the seat portion of the wheelchair, and a jet pump or a reservoir tank provided with a battery-driven pump is provided in the space below the seat portion. To do. Further, in this case, in order to enhance portability, a pressure tank or an accumulator is provided in place of the battery-driven pump, and the accumulated pressure or water or the like is pressurized by this pressure to the jet nozzle of the jet pump to obtain a pressure fluid. Can also be configured to supply.

Needless to say, the accumulator or accumulator type pressurizing means can be applied to each of the above embodiments.

<Embodiment 4> As shown in FIG. 4, this embodiment is an excrement disposal system capable of coping with a urge to urinate during a traffic jam on a highway, for example. The excrement disposal system 1 includes a reservoir tank 18, a compressor (pressurizing means) 6, and a compressor 6 in a so-called "one-box car" vehicle 24 in which a cabin (indoor) 2 and a luggage space 23 are integrated. Injection nozzle 7 configured to pressurize compressed air in the same manner as in the first embodiment.
And a jet pump MJP for generating a negative pressure in the negative pressure forming pipe 15 by injecting from the jet pump MJP. The discharge port 12 of the jet pump MJP is opened toward the outside (downward) of the vehicle 24. .

The negative pressure of the negative pressure forming pipe 15 is applied to the reservoir tank 1.
When it acts on 8, the human waste excreted in the cabin 2 is sucked and stored in the reservoir tank 19 from the suction opening 9 through the suction pipe 11. In the case of the present embodiment, the exhaust gas pressure of the vehicle can be used instead of the compressor 6.

<Embodiment 5> As shown in FIG. 5, this embodiment is an excrement disposal system capable of coping with a urinary urge in a vehicle as in Embodiment 4. The excrement processing system 1 is configured such that a reservoir tank 18 and a jet pump unit 26 that supplies a negative pressure to the reservoir tank 18 are installed in a trunk room 25.

The jet pump unit 26 includes a hermetically sealed container 28 that stores a liquid 27 such as water in which a deodorant is dissolved.
A submersible pump 6 that is driven by a battery (not shown) of the vehicle 29 to pressurize the liquid 27 in the hermetically sealed container 28; and a negative pressure forming pipe 15 that injects the pressurized fluid pressurized by the submersible pump 6 A jet pump MJP for generating a negative pressure is installed in the closed container 28, and the liquid 27 such as water in which the deodorant is dissolved is sucked and pressurized by the submersible pump 6 in the closed container 28 and jetted. The liquid 27 is supplied to the pump MJP, and the liquid 27 discharged from the discharge port 12 of the jet pump MJP is sucked and pressurized by the submersible pump 6 again to be circulated and used.

The end of the exhaust pipe 31 led out from the vicinity of the ceiling 30 of the hermetically sealed container 28 is opened as an exhaust port 32 outside the vehicle.

In this embodiment, the jet pump unit 26
The submersible pump 6 of FIG.
When the negative pressure is applied to the negative pressure forming pipe 15 from the injection nozzle 7 to form a negative pressure and the negative pressure is applied to the reservoir tank 18, the excrement excreted in the cabin (room) 2 is sucked and opened. 9 through suction pipe 11 to reservoir tank 18
It is sucked into and stored here.

The air sucked from the suction opening 9 is sufficiently deodorized by the liquid 27 such as water in which the deodorant is dissolved in the closed container 28 from the reservoir tank 18, and then the exhaust port of the exhaust pipe 31. It is released from 32 to the outside of the vehicle.

[0043]

As described above, according to the present invention, the excrement generated in the room is sucked by the negative pressure formed by the jet pump and mixed with the jet flow to be sent in the jet pump to obtain the desired outdoor. Since it is transported to the outside of the room, there is an advantage that the jet pump can easily carry out the flow from suction to flow within a short time, and the work efficiency thereof can be greatly improved.

Moreover, when the excrement is sucked by the negative pressure of the jet pump and sent by the jet flow of the jet pump,
At the same time, since the excrement is exposed to a large amount of air in the jet stream and is aerated, there is also an advantage that the suction, the delivery and the aeration of the excrement can be performed easily and in a short time.

Furthermore, since only the jet pump can perform the processes from suctioning of excrement to delivery and aeration, it is not necessary to install a suction device and an aeration device in addition to the vacuum device as in the conventional case, and the entire device can be simplified. Therefore, it is possible to significantly reduce the size, and it is possible to significantly reduce the initial cost and the running cost.

[Brief description of drawings]

FIG. 1 is a perspective view of an excrement disposal system for treating human waste of a sick person according to a first embodiment.

FIG. 2 is a perspective view of an excrement treatment system for treating human waste of a sick person according to a second embodiment.

FIG. 3 is a perspective view of an excrement disposal system for treating human waste of a sick person according to a third embodiment.

FIG. 4 is a perspective view of an excrement disposal system for treating human waste in a vehicle according to a fourth embodiment.

FIG. 5 is a perspective view of an excrement disposal system for treating human waste in a vehicle according to a fifth embodiment.

[Explanation of symbols]

 1 ... Excrete treatment system 2 ... Indoor 6 ... Fluid pressurizing means (submersible pump, compressor) 7 ... Injection nozzle 8 ... Suction port 11 ... Suction tube 12 ... Exhalation Outlet 15 ... Negative pressure forming pipe 18 ... Reservoir tank 31 ... Exhaust port MJP ... Jet pump

Claims (5)

[Claims] 1. A fluid pressurizing means, an injection nozzle for injecting a pressure fluid pressurized by the fluid pressurizing means, and a negative pressure forming tube for forming a negative pressure by the pressure fluid injected from the injection nozzle. A jet pump is provided, a suction port is formed in a negative pressure forming portion of the negative pressure forming pipe of the jet pump, and a suction opening and a suction port that open toward the excrement generated in the room are formed by the suction pipe. An excrement suction and delivery device using a jet pump, which is connected to a discharge port of a negative pressure forming pipe or an exhaust port for discharging gas discharged from the discharge port is opened to the outside of the room. 2. The excrement suction and delivery device by a jet pump according to claim 1, wherein the pressure fluid pressurized by the fluid pressurizing means is air. 3. The excrement suction and delivery device by a jet pump according to claim 1, wherein the pressure fluid pressurized by the fluid pressurizing means is a liquid. 4. The excrement suction / feeding device by a jet pump according to claim 1, wherein a closed container type reserve tank is provided in the suction path of the suction pipe. 5. The excrement suction and delivery device using a jet pump according to claim 1, wherein the cabin is a cabin for moving a vehicle or the like.