JPH09313382A - Bathtub washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To uniformly wash the entire inside of a bathtub by providing a nozzle which is revolved by itself at a position automatically protruded from bathtub walls, sprinkles hot water or the like for washing the inside of the bathtub while being revolved and is manually or automatically stored inside the bathtub after washing. SOLUTION: The controller of a bathtub washing unit starts the supply of pressurized hot water B or the like from a water supply port 4, activates a motor 3 and rotates a rotary cylinder part 7 through a rotational driving shaft 5. At such a time, driving force is applied as well and the rotary cylinder part 7 and a straight moving cylinder part 9 are moved forward together. Besides, the straight moving cylinder part 9 stops its straight moving motion in the state of protruding a nozzle part 12 but the rotary cylinder part 7 is rotated so that the nozzle part 12 is rotated by itself as well. Further, since the nozzle part 12 is revolved by the rotary cylinder part 7 and rotated by itself as well, the hot water B or the like is uniformly sprinkled from nozzle holes 15 to the entire bathtub.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath cleaning device for ejecting hot water or water into a bath.

[0002]

2. Description of the Related Art Washing and cleaning a bathtub is a work that occupies a large weight in the work of a housewife, and is a painful work that requires physical strength. Especially for the elderly, it is a painful task. For this reason, a bathtub cleaning unit for automatically cleaning the inside of the bathtub has been invented, and the workload of housewives and the like has been greatly reduced.
There is a bathtub washer that cleans the inside of the bathtub as an important component of this bathtub washing unit.As this bathtub washer, conventionally, one that ejects hot water or water from a nozzle hole fixed to the wall of the bathtub, Some sprinklers, like a sprinkler, rotate with a water stream and eject hot water or water from a nozzle hole.

[0003]

However, in a bathtub washer fixed to the wall of the bathtub or a sprinkler type bathtub washer rotated by a water flow, hot water or water is sprayed only on the inner wall surface and a part of the bottom surface of the bathtub. Therefore, there is a problem in that it is impossible to uniformly clean the entire bath.

In order to solve such a problem, an object of the present invention is to provide a bathtub washer capable of uniformly cleaning the entire bathtub.

[0005]

In order to solve this problem, the invention according to claim 1 of the present invention is to rotate in a position where it automatically projects from the wall of the bathtub, and within a plane including the axis of rotation. It is equipped with a nozzle that spouts hot water or the like while revolving to wash the inside of the bathtub and that is manually or automatically housed in the bathtub wall after washing. In this configuration, for example, the nozzle rotating in the horizontal direction is also rotated in the vertical direction at the same time, so that the hot water or the like ejected from the nozzle is directed to all the wall surfaces including the floor of the bathtub.

In order to solve this problem, the invention according to claim 2 of the present invention is a bathtub washer which is attached to a wall of a bathtub and jets hot water or water into the bathtub. A straight-moving cylindrical portion held by a frame so as to be able to move forward and backward, a bottomed rotating cylindrical portion rotatably supported in the straight-moving cylindrical portion and driven by a rotation driving portion, and a nozzle communicating with the rotary cylindrical portion. A nozzle portion that has a hole, is a distal end portion of the rotating cylindrical portion, is rotatably attached orthogonally to the axis of the rotating cylindrical portion, and meshes with a meshing portion provided on the straight-moving cylindrical portion to rotate on its axis; Is configured to be provided. In this configuration, the nozzle portion automatically projects into the bath when the rotating cylinder portion is pressed by the hot water or the pressurized water and moves forward, and the nozzle portion is integrated in the same direction by the rotation of the rotating cylinder portion. And the nozzle portion itself is rotated by the meshing portion.

According to a third aspect of the present invention for solving this problem, in the invention according to the second aspect, the rotary drive unit for driving the rotary cylindrical unit rotates by a water flow or a motor. It is configured as follows. With this configuration, when the rotation drive unit is a motor, the force of the water flow is maintained, and when the rotation drive unit is the rotation cylinder unit itself, the rotation cylinder unit has an effect of rotating only by the water flow.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS.

FIG. 1 is a sectional view showing a bath cleaner according to an embodiment of the present invention, and FIG. 2 is a view taken along the line AA of FIG.
FIG. 3 is a sectional view taken along the line CC of FIG. 1, 2, and 3
In the figure, 1 is a bathtub washer composed of a bathtub washer body 2 a and a motor 3, and 2 is a set hole 18 a opened in the bathtub 18.
A bottomed cylindrical bathtub mounting frame mounted on the base 4, a water supply port to which the pressurized hot water B or water W is supplied, 5 an angular rotation drive shaft that rotates with the output shaft of the motor 3, and 6 It is a sliding bearing portion that receives a rotational force while sliding on the rotary drive shaft 5.

Reference numeral 7 denotes a bottomed rotary cylinder portion, which has a water pressure receiving surface 8 at each portion for projecting a nozzle portion described later into the bath, and the pressure receiving surface 8 is heated by hot water B or water W. When it is pressed, it moves forward and is rotationally driven by the motor 3 via the rotary drive shaft 5 and the sliding bearing portion 6. Further, 9 is a straight-moving cylindrical portion that is moved forward by receiving a forward force from a flange portion of the rotating cylindrical portion 7 when the rotating cylindrical portion 7 is moving forward, and 10 is a ridge formed on the inner wall of the bathtub mounting frame 2 in the axial direction. And guides the straight-ahead cylindrical portion 9.

Reference numeral 11 denotes a tip cylindrical portion which is a tip portion of the rotary cylindrical portion 7, and 12 denotes a nozzle portion which is orthogonal to the axis of the rotary cylindrical portion 7 and rotatably supported on the tip cylindrical portion 11. It is attached via the cylindrical portion 13 for shaft support. Also, 1
Reference numeral 4 denotes a bevel gear-shaped meshing portion 1 provided at the tip of the straight-moving cylindrical portion 9.
6, a bevel gear-shaped meshing portion of the nozzle portion 12 meshing with 6,
Is a nozzle hole through which hot water B or water W is jetted, 17 is a main body fixing portion for attaching the bathtub washer body 2a to the wall of the bathtub 18, 19 is an inner wall surface of the bathtub 20, and 20 is an outer wall surface of the bathtub 18. .

When the pressurized hot water B or the pressurized water W is supplied to the rotating cylinder portion 7 to move it forward,
Since the flange portion of the rotating cylindrical portion 7 is in contact with the end portion of the straight-moving cylindrical portion 9, it moves forward together with the rotating cylindrical portion 7. Also,
By pushing the straight-moving cylindrical portion 9 from inside the bath with a hand, the nozzle portion 12 including the straight-moving cylindrical portion 9 and the rotating cylindrical portion 7 is retracted and stored further inside than the inner wall surface 19.

FIG. 4 shows a straight-moving cylindrical portion 9 and a rotating cylindrical portion 7.
FIG. 7 is a cross-sectional view showing a state in which the nozzle portion 12 including and including is retracted and stored inwardly of the inner wall surface 19. As shown in FIG. 4, the straight-moving cylindrical portion 9 and the rotating cylindrical portion 7 both slide, and the sliding bearing portion 6 slides with the rotary drive shaft 5 inserted.

The outer peripheral surface of the rotating cylindrical portion 7 and the inner peripheral surface of the rectilinear traveling cylindrical portion 9 which are in contact with each other are formed into smooth surfaces, and the rotating cylindrical portion 7 and the rectilinear traveling cylindrical portion 9 come into contact with each other during the rectilinear movement and the rotational movement. Even so, the lubricating action of water synergizes to smoothly move back and forth and rotate.

The operation of the bath cleaning device 1 constructed as described above will be described. First, a control device (not shown) of the bath cleaning unit starts the supply of the pressurized hot water B or the pressurized water W from the water supply port 4 and activates the motor 3 to rotate the rotary cylindrical portion 7 via the rotary drive shaft 5. Let At this time, the pressurized hot water B or the pressurized water W presses the pressure receiving surface 8 of the rotating cylindrical portion 7 and gives a forward force to the rotating cylindrical portion 7. This advancing force is also applied to the straight advancing cylindrical portion 9 that contacts the flange portion of the rotating cylindrical portion 7, and the rotating cylindrical portion 7 and the rectilinear advancing cylindrical portion 9 both advance.

However, the guide groove (not shown) of the straight-moving cylindrical portion 9 is guided by the ridge 10, and is restrained in a non-rotatable state by performing only the straight-moving movement. The flange portion of the straight-moving cylindrical portion 9 has a bathtub cleaner main body 2
The nozzle portion 12 is made to project into the bathtub when it comes into contact with the flange portion, and the linear motion is stopped. In such a state, since the advancing force is still applied to the rotating cylindrical portion 7, the rotating cylindrical portion 7 moves the nozzle portion 12 into the bathtub 1.
8 is maintained in a projecting state, and the rotating cylindrical portion 7 rotates in this state, the nozzle portion 12 also rotates integrally, and the meshing portion 14 of the nozzle portion 12 also meshes with the meshing portion 16 of the straight-moving cylindrical portion 9. Therefore, the nozzle portion 12 itself which is rotated by the rotating cylindrical portion 7 also rotates, that is, rotates.

Hot water B or water W supplied from the water supply port 4
Is supplied to the nozzle portion 12 from the rotating tip portion 11 through the lower cylindrical portion 13 through the inside of the rotating cylindrical portion 7, and is vigorously ejected from the nozzle hole 15 of the nozzle portion 12. At this time, the water flow of the hot water B or the water W is not used as the power for rotating the rotating cylindrical portion 7, so that the momentum does not decrease. Further, the nozzle portion 12 is the rotating cylindrical portion 7
Because of this, it rotates, that is, revolves and rotates, so that the hot water B or water W is sprayed from the nozzle hole 15 to the entire bath evenly.

In this embodiment, the rotating cylindrical portion 7 is driven to rotate by the motor 3, but the rotating cylindrical portion 7 itself may be rotated by the supplied water flow. In this case, the motor 3 is unnecessary and the cost can be reduced. The nozzle portion 12 protrudes into the bath due to water pressure during cleaning and is pushed in by hand after cleaning to be stored, but a motor, spring, etc. for driving to the storage side may be provided.

As described above, according to the present embodiment, the nozzle portion 12 automatically projects into the bath by supplying the hot water B or the water W. Since the nozzle portion 12 is rotated by the rotating cylindrical portion and rotates about itself, the hot water B
Alternatively, the water W can be sprayed from the nozzle hole 15 to the entire bath evenly. Further, since the nozzle portion 12 including the straight-moving cylindrical portion 9 and the rotating cylindrical portion 7 can be retracted deeper than the inner wall surface 19 by pushing the straight-moving cylindrical portion 9 from inside the bath with a hand, first, the bath It is possible to prevent the bathtub washer 1 from being damaged or bent when not in use, and not in the way.

FIG. 5 shows an example of a bath cleaning unit using the bath cleaning device 1. In this bathtub cleaning unit, hot water is pressure-fed to the nozzle portion 12 so as to protrude into the bathtub, and the detergent is dissolved in the hot water sprayed from the nozzle portion 12 in all directions to adhere to the inner wall surface of the bathtub and the floor surface of the bathtub. This is a method in which dust and dirt are dissolved and washed, and the dirty water after the washing is discharged and then water is sprayed to cleanly wash. In the figure, S is a detergent placed on the bathtub floor,
Reference numeral 25 is a water-blocking lid for preventing the splashing of hot water sprayed into the bathtub to the outside of the bathtub, 26 is a recess for efficiently draining residual water, 26a is a drain port provided at the bottom of the recess 26,
Reference numeral 27 is a drain plug of a drain port, 28 is a return pipe for returning hot water or water in the bathtub 1 to a cleaning tank 29 described later, and the cleaning tank 29 is formed in a closed structure for storing a predetermined amount of hot water or water. Has been done.

Further, 31 is a pump for sucking and discharging hot water or water stored in the cleaning tank 29 at a predetermined pressure,
32 is a three-way switching valve for switching between supplying hot water or water from the pump 31 to the nozzle portion 12 via the supply pipe 30 or discharging it to the outside via the drain pipe 33, and 34 is tap water Wa to be supplied. Is converted into hot water of a predetermined temperature, for example, hot water of 75 ° C. and discharged, or tap water Wa is discharged as is, 35 is a heat exchanger outlet side solenoid valve arranged at the outlet side of the heat exchanger 34, 36 is a solenoid valve for ventilation that opens and closes the inside of the cleaning tank 29 to the outside air, and 37 is a cleaning tank 29.
A water level sensor for detecting the water level inside, and a control device 38 for controlling the entire bath cleaning unit.

The controller 38 inputs the water level signal p indicating the water level output from the water level sensor 37 in order to clean the bath 18, and outputs the drive signal a for driving the motor 3 of the bath cleaner 1 and the pump 31. A starting signal b for starting, a switching signal c for controlling switching of the three-way switching valve 32, a starting signal d for starting the heat exchanger 34, a control signal e for controlling the heat exchanger outlet side solenoid valve 35, and a ventilation solenoid valve 36. It outputs a control signal f for controlling.

[0023]

As described above, according to the bath cleaner of the present invention, since the nozzle portion revolves around the axis including the axis of rotation, the hot water or water is evenly distributed from the nozzle portion to the entire bath. The advantageous effect that it is possible to eject is obtained. In addition, this nozzle has an advantageous effect that it can be automatically projected into the bath by the supply pressure of hot water or water. In addition, the nozzle part can be retracted deeper than the inner wall surface and the entire part can be stored, so it does not get in the way when bathing and prevents the bath washer from being damaged or bent when not in use. It is also possible to obtain the advantageous effect that it is also possible.

Further, when the rotary drive unit for driving the rotary cylinder unit is the rotary cylinder unit itself rotated by the water flow,
The cost can be reduced by eliminating the need for the drive motor, and when the drive motor is used, the water flow can be prevented from fading, and a strong cleaning power can be secured.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a bath washer according to an embodiment of the present invention.

FIG. 2 is a view of the bath cleaner of FIG. 1 taken along the line AA.

FIG. 3 is a cross-sectional view of the bath cleaner of FIG. 1 taken along line CC.

FIG. 4 is a cross-sectional view showing a state in which the nozzle portion is stored deeper than the inner wall surface of the bathtub except when cleaning.

FIG. 5 is an explanatory diagram showing an example of a bath cleaning unit using the bath cleaning device of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bath cleaning device 2 Bath mounting frame 2a Bath cleaning device main body 3 Motor 4 Water supply port 5 Rotation drive shaft 6 Sliding bearing part 7 Rotating cylindrical part 8 Pressure receiving surface 9 Straight advancing cylindrical part 10 Projection part 11 Rotating tip part 12 Nozzle part 13 Shaft Stopping cylindrical portion 14, 16 meshing portion 15 nozzle hole 17 main body fixing portion 18 bathtub 19 inner wall surface 20 outer wall surface

Claims (3)

[Claims] 1. A bathtub is rotated at a position where it automatically protrudes from the bathtub wall, and hot water or the like is sprayed while revolving in a plane including the axis of rotation to wash the inside of the bathtub, and manually or automatically after washing. A bath cleaner with a nozzle that is stored inside the bath wall. 2. A bathtub cleaner which is attached to a wall of a bathtub and jets hot water or water into the bathtub, and a straight-moving cylindrical portion which is held by a bottomed tubular bathtub mounting frame so as to be movable back and forth toward the bathtub. A rotary cylinder part having a bottom which is rotatably supported in the straight-moving cylinder part and is driven by a rotation driving part; and a nozzle hole which communicates with the rotary cylinder part. A bathtub washer that is rotatably attached orthogonally to the axis of a cylindrical portion and has a meshing portion provided on the straight-moving cylindrical portion and a nozzle portion that rotates by meshing with the meshing portion. 3. The bath washing machine according to claim 2, wherein the rotary drive unit that drives the rotary cylinder unit is the rotary cylinder unit itself or a motor that rotates by a water flow.