JPS61117339A - Sanitary washing apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a sanitary cleaning device.

Conventional practices and problems with conventional examples For example, the conventional sanitary cleaning equipment shown in Figs. ing. When in use, by turning the knob 3, the water stop valve 4 is opened, the motor 5 is started, and the pump 6 sucks water from the Giro tank 7, which supplies water to the tank 1. Minute tank 1
The warm water pushes up the vacuum break valve 8 and is ejected from the hot water tap nozzle 9.

The first problem with the conventional example is that the motor 5 rotates at a high speed of 7000 to 8000 rpm due to the miniaturization of the pump 6.
Vibration during operation of the motor 5 is transmitted to the tank 1 and the outer case 10 via the pump housing 6a to which the motor 5 is attached, causing resonance and resonance noise, producing a harsh sound. Especially when operating sanitary cleaning equipment in the toilets of apartment complexes, which are increasing in number these days,
Vibration noise often resonates in adjacent rooms and causes problems.

A second problem with the conventional example is that when the insulation of the motor 5 deteriorates due to long-term use, current leaks into the water through the metal shirt 5a, resulting in a dangerous situation (electric shock) to the human body.

OBJECTS OF THE INVENTION The present invention solves the above-mentioned problems in the prior art, and aims to prevent vibrations during motor operation from being transmitted to the entire device in a sanitary cleaning device, thereby reducing noise.

Structure of the Invention To achieve the above object, the sanitary cleaning device of the present invention fixes a motor that drives a pump to a tank via an elastic body, and a belt device that has a compressible belt in the rotation of one motor. The vibration is transmitted to the pump via the motor, and the vibration of the motor during operation is absorbed by the expansion and contraction of the elastic body between the motor and the tank and the expansion and contraction of the belt.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 3 and 4, reference numeral 1 denotes a resin tank for storing hot water, and houses a heater 2 for heating. A motor 5 for driving the pump 6 is fixed to the lower surface of the tank 1 via a mounting bracket 11 and a spacer 12 made of an elastic material. A pump 6 for pressurizing the inside of the tank 1 is fixed to the output shaft side of the motor 5 in a watertight manner with the tank 1.

This pump 6 includes an impeller 6b, and a shaft 13 is fixed to the center of the impeller 6b.

This shaft 13 is sealed with an oil seal 6c, passes through a bearing portion 6d of the housing 6a, and its end portion is fixed to the center of a resin pulley 14 having a diameter of 10 mm.

- The end of the shaft 5a of the motor 5 on the output shaft side is fixed to the center of a resin pulley 15 with a diameter of 20 mm.

A stretchable rubber belt 16 is hung between these two pulleys.

The pump 1e has a water stop valve 4 linked to the knob 3 on the water inlet side, a vacuum break valve 8 is provided near the outlet of the upper part of the tank 1 to prevent cold water from being discharged, and a nozzle 9 is provided as the hot water discharge part. have.

The operation of the above configuration will be explained below.

In an emergency (warm state), the water in the tank 1 is heated by the sheathed heater 2 and kept at a predetermined temperature by controlling the heater ON/OFF using a thermostat (not shown). When in use, when the knob 3 is turned, a motor switch (not shown) is turned on and the shaft 5a of the motor 5 starts rotating. This rotation is transmitted to the impeller 6b via the pulley 15, belt 16, pulley 14, and impeller shaft 13.

Further, when the water valve 4 is opened in conjunction with the rotation of the knob 3, water in the low tank 7 is sucked in by the pump 6 and supplied to the tank 1. Then, the hot water in the container 1 is pushed up by the amount that is supplied, the vacuum breaker valve 8 is pushed up, and the nozzle 9 is also spouted.

At this time, the motion of the motor 5 is absorbed by the expansion and contraction of the spacer 12 and the belt 16, and is not transmitted to the tank 1, pump 6, or case 10. Also, the pulley 15 on the motor 5 side
The diameter of the pump 6 is larger than the diameter of the boot 4 on the pump 6 side, and in this embodiment it is twice as large, so the rotation speed of the pump 6 is 70.
00 to 8000 rpm, but the rotation speed of motor 5 is 35
00 to 4000 rpm.

In this embodiment, the rotation speed of the motor 5 is 3500 to 4.
Since the speed is as low as 000 rpm, there is little vibration when the motor 5 is operating, and furthermore, the image taken when the motor 5 is operating is absorbed by the expansion and contraction of the spacer 12 and the belt 16, and is not transmitted to the tank 1, pump 6, or case 1o. Therefore, the effect is that the noise during operation of the motor 5 is very low. Further, since the pulleys 14 and 15 and the tank 1 are made of resin, the motor 5 is electrically insulated. Therefore, even if the motor 5 deteriorates, there is an effect of preventing electricity from leaking into the water and causing an electric shock to the human body.

Effects of the Invention As described above, according to the present invention, the following effects can be obtained.

(1) Expansion and contraction of the elastic body that fixes the motor to the tank,
The expansion and contraction of the belt absorbs vibrations during motor operation, so
As a result, the image is not transmitted to the tank, pump, case, etc.
The noise during motor operation is reduced.

■ By changing the diameter ratio of the pulley on the motor side and the pulley on the pump side, it is possible to obtain any pump rotation speed with the same motor, making it possible to standardize the motor.

■ Insulating materials such as rubber are generally used for elastic belts, so the motor is electrically insulated, and even if the motor's insulation deteriorates, it will not leak into the water. There will be no electric shock to the human body.

[Brief explanation of drawings]

Figure 1 is a vertical sectional view of a conventional sanitary cleaning device, Figure 2 is a vertical sectional view of the pump and motor portion of a conventional sanitary cleaning device, and Figure 3 is a vertical sectional view of the conventional sanitary cleaning device.
The figure is a longitudinal sectional view of a sanitary cleaning device which is an embodiment of the present invention.
FIG. 4 is a longitudinal cross-sectional view of the pump and motor portion of a sanitary washing device according to an embodiment of the present invention, and FIG. 5 is a longitudinal sectional view of A1 to A in FIG.
FIG. 2 is a sectional view. 1...tank, 2...heater (sheathed heater), 5...motor, 6...
Pump, 9... Hot water nozzle, 12... Elastic body (spacer), 14... Pump side pulley 15... Motor side pulley belt device. 16...Belt. Figure 1

Claims (2)

[Claims] (1) It is equipped with a tank having a heater and a hot water nozzle through which water in the tank is discharged by a pump, and a motor that drives the pump is fixed to the tank via an elastic body, and the rotation of the motor is A sanitary cleaning device configured to transmit information to a pump via a belt device having an elastic belt. (2) The sanitary washing device according to claim 1, wherein the diameter of the pulley on the motor side of the belt device is larger than the diameter of the pulley on the pump side.