JP3289172B2 - Vacuum driven disposer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum-driven disposer which drives a crushing mechanism of a disposer by utilizing the vacuum of a vacuum sewage pipe.

[0002]

2. Description of the Related Art In recent years, an epoch-making vacuum drainage system has been developed in which the inside of a sewer pipe is evacuated and sewage is collected using a pressure difference. Since this vacuum drainage system is not a gravity drainage system using gravity, it does not require a drainage gradient, and it does not need to bury sewer pipes deeply, minimizing construction work, making narrow alleys and winding. It has many advantages such as being able to respond to areas where excavation work is difficult such as alleys.

[0003] As a technique utilizing such an excellent vacuum drainage system, a technique of treating kitchen waste generated in a kitchen with a disposer and carrying the vacuum through a vacuum sewage pipe has been filed in Japanese Utility Model Application Laid-Open No. 4-30046. It is.

The prior application is as shown in FIG. The kitchen sink 1 is provided with an opening 3 for feeding kitchen waste to the disposer 2 and a drain 4 for performing normal domestic wastewater. The drain 4 is connected to a sewage tank 6 through a pipe 5. The sewage tank 6 is provided with a vacuum sewage pipe 7, and a vacuum valve 8 is provided in the middle thereof.

[0005] A disposer 2 is attached to the garbage input port 3, and a discharge port 10 for crushed garbage by a motor driven cutter 9 is provided with a vacuum valve 8 and a sewage tank 6.
Is connected to the vacuum sewage pipe 7 between the two. The sewage tank 6 is provided with a controller 11 for opening the vacuum valve 8 by detecting a water level and a controller 12 for opening the vacuum valve 8 when the disposer 2 is driven.

The controllers 11 and 12 communicate between a vacuum conduit 13 connected to a vacuum sewage pipe 7 downstream of the vacuum valve 8 and a signal pipe 14 connected to a pressure chamber of the vacuum valve 8. By controlling, the negative pressure of the vacuum sewage pipe 7 is applied to the vacuum valve 8 to open the vacuum valve 8. When the operation of the negative pressure is shut off, the vacuum valve 8 is automatically closed by a return spring.

In the conventional prior art, when only ordinary domestic wastewater is used in kitchen work such as washing dishes, domestic wastewater is drained from a drain port 3 to a wastewater tank 6 through a pipe 5. Is stored. When the amount exceeds a predetermined amount, the controller 11 having the water level detecting unit communicates the vacuum conduit 13 and the signal tube 14, and applies a negative pressure to the vacuum valve 8 to open it.

[0008] Therefore, the sewage in the sewage tank 6 is vacuum-transported to a sewage treatment plant or the like through a vacuum sewage pipe 7. Then, when the amount of sewage in the sewage tank 6 becomes equal to or less than a predetermined amount, the controller 11 cuts off the communication between the vacuum conduit 13 and the signal tube 14, and automatically closes the vacuum valve 8 by a return spring.

When the garbage is thrown in from the slot 3 of the kitchen sink 1 and the motor M of the disposer 2 is driven, the cutter 9 rotates and the controller 12
Communicates the vacuum conduit 13 and the signal tube 14 to open the vacuum valve 8. Therefore, the garbage crushed by the cutter 9 of the disposer 2 is vacuum-conveyed from the discharge port 10 to the sewage treatment plant through the vacuum sewage pipe 7.

When the disposal of kitchen waste is completed, the disposer 2 is
When FF operation is performed, the controller 12
3 and the signal tube 14 are cut off, and the vacuum valve 8 automatically returns to the closed state. As described above, in the conventional prior art, ordinary domestic wastewater and kitchen waste are separately collected and vacuum-conveyed to a sewage treatment plant or the like through a common vacuum sewage pipe 7.

[0011]

However, in the conventional disposer 2, the cutter 9 is driven to rotate by the motor M, and electric energy for driving the motor M is required. In addition, wiring work for this is necessary, and there is a risk of electric shock. Further, there is a problem that noise is generated due to driving of the motor. Furthermore, there is a disadvantage that the maintenance of the motor M and the rotation drive unit is troublesome.

[0012]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention has been improved and removed from the above-mentioned problems, and a crushing mechanism can be driven by utilizing the vacuum of a vacuum sewage pipe. It is intended to provide a vacuum-driven disposer.

[0013] In order to solve the above-mentioned problems, the present invention adopts a means of claim 1 which is connected to an input port of kitchen waste connected to a kitchen sink and a vacuum sewage pipe of a vacuum indoor drainage system. A discharge mechanism, a crushing mechanism that is located between the input port and the discharge port and is driven by a vacuum force, a vacuum valve that shuts off the input port and the discharge port, and a control mechanism that controls the vacuum valve. A vacuum-driven disposer characterized by comprising:

The means of claim 2 adopted by the present invention is as follows.
2. The vacuum-driven disposer according to claim 1, wherein the crushing mechanism comprises a spiral passage for kitchen waste and a fixed blade provided in the spiral passage.

Further, the means of claim 3 adopted by the present invention is as follows.
2. The vacuum-driven disposer according to claim 1, wherein the crushing mechanism is configured by a rotary blade that rotates by vacuum suction.

[0016]

The disposer of the present invention has an input port for kitchen waste and an outlet port connected to a vacuum sewage pipe. A crushing mechanism driven by vacuum force and a vacuum valve are provided between the inlet and the outlet. The crushing mechanism includes a system in which a fixed blade is provided in a spiral passage and a system in which a rotary blade is provided.

In the case of the fixed blade system, when the vacuum valve is opened, the vacuum pressure in the vacuum sewage pipe acts on the input port of the disposer, and the input garbage is sucked in the spiral passage by the vacuum pressure. Conveyed. A fixed blade is laid in the spiral passage, and the garbage is crushed while passing through the passage. And it is sucked into the vacuum sewage pipe from the outlet,
It is transported to a sewage treatment plant by a vacuum sewage pipe.

On the other hand, when the crushing mechanism is a rotary blade, when the vacuum valve is opened to apply a vacuum pressure to the disposer, the rotary blade is rotated by the vacuum pressure to crush the input kitchen waste. I do. The crushed garbage is sucked from a discharge port into a vacuum sewage pipe, and further vacuum-conveyed to a sewage treatment plant. As described above, in the present invention, the crushing mechanism of the disposer is driven by using the vacuum force of the vacuum sewage pipe, and does not require energy such as electricity.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of the present invention will be described below with reference to the embodiments shown in the drawings. The same reference numerals as those in the conventional case denote the same members. FIG. 1 is a partial longitudinal sectional view schematically showing a disposer 15 according to a first embodiment of the present invention. As shown in the figure, the disposer main body 16 attached to the kitchen sink 1 is provided with a kitchen waste input port 3 on the kitchen sink 1 side, and a discharge port 17 for crushed kitchen waste on the other end side. ing.

The outlet 17 is connected to the vacuum sewage pipe 7. Further, a spiral passage 18 for transporting kitchen waste is formed in the disposer main body 16. In the middle of the spiral passage 18, fixed blades (not shown) are fixed at predetermined intervals. A solenoid-type vacuum valve 20 is attached to the end of the spiral passage 18. Reference numeral 21 denotes a control mechanism provided with a switch for controlling ON / OFF of the vacuum valve 20.

In the disposer 15 constructed as described above, garbage is put into the disposer main body 16 from the input port 3 and the switch of the control mechanism 21 is operated to operate the vacuum valve 2.
When 0 is opened, the vacuum pressure of the vacuum sewage pipe 7 acts on the inlet 3. This vacuum pressure is usually -3m to -5mAq. The inserted garbage is conveyed by being vacuum-suctioned through the spiral passage 18 by the vacuum pressure, and on the way,
It comes into contact with the fixed blade 19 and is finely crushed.

The degree of crushing is determined by the fact that commercially available disposable diapers and feminine hygiene products are broken into shreds simply by passing through a vacuum sewage pipe 7 having no crushing mechanism. It can be predicted from the current situation, and it is possible to crush finely by forming a crushing mechanism in this. The crushed kitchen waste is vacuum-conveyed to a sewage treatment plant through a vacuum sewage pipe 7, and is subjected to a predetermined sewage treatment.

Next, a disposer 22 according to a second embodiment of the present invention shown in FIG. 2 will be described. In this embodiment, instead of the spiral passage 18 of the first embodiment and the fixed blade provided in the passage 18, a rotary blade 23 that rotates by vacuum pressure is mounted in the disposer main body 16. Other configurations are the same as those of the first embodiment.

In the second embodiment, when the vacuum valve 20 is opened, the rotary blade 23 starts rotating by the vacuum pressure, and the kitchen waste put into the disposer body 16 is finely crushed. The crushed garbage waste is vacuum-conveyed to a sewage treatment plant through a vacuum sewage pipe 7, and a predetermined sewage treatment is performed.

Incidentally, the present invention is not limited to the above-described embodiment, and can be appropriately changed. For example, the control mechanism 21 and the vacuum valve 20 are of a solenoid type electrically connected, but may be of a diaphragm type operated by vacuum pressure as in the conventional example shown in FIG. It may be a rod type or a gear type that directly operates manually.

[0026]

As described above, in the present invention,
Since the crushing mechanism and the vacuum valve are provided in the disposer main body, when the vacuum valve is opened to apply a vacuum pressure to the disposer, the crushing mechanism is operated by the vacuum pressure to crush the input garbage. The crushed garbage is sucked from a discharge port into a vacuum sewage pipe, and further vacuum-conveyed to a sewage treatment plant. That is, in the present invention, the crushing mechanism of the disposer can be driven by using the vacuum force of the vacuum sewage pipe, and does not require energy such as electricity.

Therefore, no wiring work is required and there is no fear of electric shock. Further, since the vacuum pressure is used as the drive source of the crushing mechanism, no noise is generated due to the drive of the motor, and troublesome maintenance of the motor and the rotary drive is unnecessary.

[Brief description of the drawings]

FIG. 1 is a schematic vertical sectional view showing a disposer according to a first embodiment of the present invention.

FIG. 2 is a schematic vertical sectional view showing a disposer according to a second embodiment of the present invention.

FIG. 3 is a longitudinal sectional view showing a conventional disposer.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Kitchen sink 3 ... Inlet 7 ... Vacuum sewage piping 15 ... Disposer 16 ... Disposer main body 17 ... Discharge port 18 ... Spiral passage 20 ... Vacuum valve 21 ... Control mechanism part 22 ... Disposer 23 ... Rotary blade

Claims (3)

(57) [Claims] 1. An input port for kitchen waste connected to a kitchen sink, an output port connected to a vacuum sewage pipe of a vacuum indoor drainage system, and between the input port and the output port. A vacuum-driven disposer comprising: a crushing mechanism to be driven; a vacuum valve for shutting off an inlet and an outlet; and a control mechanism for controlling the vacuum valve. 2. The vacuum-driven disposer according to claim 1, wherein the crushing mechanism comprises a spiral passage for kitchen waste and a fixed blade provided in the spiral passage. 3. The crushing mechanism according to claim 1, wherein said crushing mechanism comprises a rotary blade which is rotated by vacuum suction.
4. The vacuum-driven disposer according to 1.