JP2002263020A - Bathtub cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bathtub cleaner that can evenly clean even in a bathtub, the sidewall of which is curved or one having accessories and in which the structure and control concerned with bathtub cleaning are simplified. SOLUTION: At least one or more cleaning nozzles 20 are arranged in opposing two side walls 11 of a bathtub and the cleaning nozzles 20 are arranged so that the extent of ejection of hot water or a cleaning liquid 20a jet from each of the cleaning nozzles 20 may overlap.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathtub cleaning apparatus for automatically cleaning the inner wall surface of a bathtub by jetting hot water or cleaning liquid from a cleaning nozzle.

[0002]

2. Description of the Related Art Conventionally, as a bath tub cleaning apparatus for automatically cleaning the inside of a bath tub, as shown in Japanese Patent Application Laid-Open No. 3-277337, a water spray nozzle is provided on an inner wall opposite to a fine spray nozzle on the inner wall of the bath tub. A method is known in which a detergent sucked by a supply of compressed air from a spray nozzle is finely atomized and diffused in a bathtub, and water is sprayed from a water spray nozzle to automatically clean the inside of the bathtub.

[0003]

SUMMARY OF THE INVENTION Conventional Japanese Patent Laid-Open No. 3-27
In the method of No. 7337, since a water injection nozzle and a switching valve for switching and supplying water are used on both short sides of the bathtub, the number of parts increases and the apparatus becomes complicated, and it is necessary to control the water injection. , The control becomes complicated. In addition, since the water injection nozzle also injects water into the bath lid, if the bath lid is forgotten to be closed, the washing water may scatter outside the bath tub and the inside of the bath tub may not be sufficiently washed. In addition, since the cleaning is controlled by providing a lid switch as a preventive measure described above, the cleaning device and the control system are complicated. Furthermore, recently, bathtubs have also changed to various shapes. For example, it has become the mainstream that a large curved surface is provided on the inner edge in order to improve the design of the bathtub, and that a handgrip for hanging hands is installed in the bathtub to enhance safety,
With the conventional method of jetting the cleaning liquid, there is a limit to the cleaning at the curved surface portion and the periphery of the hand grip.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a structure capable of cleaning evenly a bath tub having a curved side wall or an attached part. Another object of the present invention is to provide a bath tub cleaning device whose control is simplified.

[0005]

In order to achieve the above object, a first aspect of the present invention is to provide at least one or more cleaning nozzles on two opposing side walls of a bathtub, and to jet out of each of the cleaning nozzles. The washing nozzle is arranged so that the hot and cold water or cleaning liquid spout area overlaps, so that the hot water or cleaning liquid sufficiently spreads over the uneven surface such as the curved surface of the bathtub side wall and the periphery of the hand grip attached to the bathtub.
The same cleaning as other parts can be performed, and there is an effect that the inside of the bathtub can be cleaned evenly.

According to the second aspect of the present invention, the hot water or the cleaning liquid is spouted in a fan shape, and the linear cut-out spout is provided so as to spout symmetrically with respect to the center of the washing nozzle. Hot water or a cleaning liquid can be uniformly sprayed onto the long side of the bathtub), which has the effect of evenly and efficiently cleaning.

According to the third aspect of the present invention, the hot water or the cleaning liquid is spouted in a fan shape, and a linear cutout spout is provided so as to spout asymmetrically with respect to the center of the washing nozzle. The hot water or the cleaning liquid can be uniformly jetted into the area including the hand grip, and the jet density can be increased to achieve more effective cleaning.

According to a fourth aspect of the present invention, since the width of the cutout opening of the cleaning nozzle is made uniform and narrow so that the hot water or the cleaning liquid is ejected in a flat shape, the hot water or the cleaning liquid is jetted to a target position on the side wall surface of the bathtub. Therefore, there is an effect that washing can be performed efficiently with little wasted water or washing liquid.

According to a fifth aspect of the present invention, the cutting angle of the jet nozzle of the washing nozzle is set such that hot water or washing liquid is ejected near the upper end of the opposing side wall surface of the bathtub. In addition to being able to be washed, there is an effect that washing is efficiently performed without washing water squirting out of the bathtub. In addition, since it is not necessary to take measures to prevent forgetting to close the bath lid, there is an effect that control is simplified together with the cleaning device.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a schematic configuration of a bathtub cleaning apparatus according to an embodiment of the present invention. FIG. 2 is a view of the cleaning nozzle as viewed from the front. FIG. 3 is a view of a cross section of the cleaning nozzle viewed from a lateral direction. FIG. 4 is a view of the cleaning nozzle as viewed from the back. FIG. 5 is a view of a cross section of a cleaning nozzle that spouts hot water or cleaning liquid symmetrically with respect to the center of the cleaning nozzle as viewed from above. FIG. 6 is a view of a cross section of a washing nozzle for asymmetrically ejecting hot water or a washing liquid to the center of the washing nozzle as viewed from above. FIG. 7 is a diagram illustrating a method of assembling the cleaning nozzle. FIG. 8 is a view showing a jetting state when hot water or a cleaning liquid is jetted symmetrically with respect to the center of the cleaning nozzle. FIG. 9 is a diagram showing a jetting state when hot water or a cleaning liquid is jetted asymmetrically to the center of the cleaning nozzle.

In the bathtub cleaning apparatus of the present invention, as shown in FIG. 1, two cleaning nozzles 20 are provided on each of two opposing side walls 11 of the bathtub 10 so that hot and cold water jetted from the opposing or adjacent cleaning nozzles 20 is provided. Or the cleaning solution 20a
It is disposed so as to overlap the curved surface portion 11a of the bathtub side wall surface 11 and the peripheral area of the hand grip 12. On the back side of the bathtub 10 is a cleaning unit 3 for generating a cleaning liquid and supplying hot water or a cleaning liquid.
0 and a supply pipe 31 extending from the cleaning unit 30 are provided to each cleaning nozzle 20 by using a branch joint 32 and connected to the cleaning nozzle 20.

Next, the shape of the cleaning nozzle 20 will be described. The jet nozzle 21 (FIG. 2) is provided at the front end of the cleaning nozzle 20, the male screw portion 22 (FIG. 3) for integrating the stopper 27 is provided at the central portion, and the connection joint 33 is provided at the rear water passage portion. An opening connecting portion 23 (FIG. 3) for connection and a hexagonal hole 29 (FIG. 3 or FIG. 4) into which a jig is inserted to determine the direction of the ejection port 21 are provided. The spout 21 according to claim 2.
Is formed with a notch 21a whose tip is widened symmetrically with respect to the center of the ejection port 21 so that hot water or the cleaning liquid 20a is ejected in a fan shape symmetrically with respect to the center of the washing nozzle 20. (FIG. 5) In the spout 21 according to the third aspect, the hot or cold water or the cleaning liquid 20 is asymmetric with respect to the center of the cleaning nozzle 20.
In order to eject a in a fan shape, a notch 21b is formed which is asymmetric with respect to the center of the ejection port 21 and whose tip is widened. (FIG. 6) In addition, the jet port 21 according to claim 4 is formed so that the cut width of the cleaning nozzle 20 is uniform and narrow 21c in order to jet hot water or the cleaning liquid 20a in a flat shape. (FIG. 2) Further, the jet outlet 21 according to claim 5 sets the cut angle 21d so that hot water or the cleaning liquid 20a is jetted to the upper end of the bathtub side wall surface 11. (FIG. 3) The cut angle 21d is determined by the distance from the upper edge 13 of the bathtub to the location where the washing nozzle 20 is installed, the distance from the washing nozzle 20 to the opposite side surface 11 of the bathtub, and the rising angle 11b of the side surface 11 of the bathtub.
(FIG. 7), but is generally set at 2 to 15 °.

Next, a method of assembling the cleaning nozzle 20 will be described with reference to FIG. The cleaning nozzle 20 is inserted into the opening hole 14 provided in the bathtub 10 through the packing 24 from the inside of the bathtub 10 through the opening connecting portion 23 side through the packing 24, and then from the back side of the bathtub 10 via the packing 25 and the washer 26. And fixed to the bathtub 10 using the stopper 27.
When the cleaning nozzle 20 is fixed to the bathtub 10, in order to attach the injection port 21 provided at the tip of the cleaning nozzle 20 in a predetermined direction, the stopper 27 is passed through the male screw portion 22 of the cleaning nozzle 20, and then the cleaning nozzle 20 is fixed. A jig (not shown) is inserted into a hexagonal hole 29 provided therein, the direction is determined, the fixture is fixed, and the stopper 27 is tightened with a tool or the like and fixed to the bathtub 10. FIG.
(B) shows the state after the assembly.

On the other hand, the back side of the bathtub 10 is
A supply pipe 31 is provided from 0 to each cleaning nozzle 20 by using a branch joint 32, and a connection joint 33 for connecting to the opening connection part 23 of the cleaning nozzle 20 is provided at a tip of the supply pipe 31. It is inserted into the opening connection part 23 of the cleaning nozzle 20 and connected using a connection part 34 or the like.

The cleaning nozzle 20 fixed to the bathtub 10
Hot water or cleaning liquid 20a is ejected in the following order. First, when a switch (not shown) of an operation panel provided inside or outside the bathroom is pressed, a drain plug (not shown) provided with an electric means is automatically opened to drain the remaining hot water stored in the bathtub water. After a lapse of a predetermined time from the start of the operation of the drain plug, an electromagnetic valve (not shown) provided in the cleaning unit 30 is opened to supply hot water to each cleaning nozzle 20 at the same time. Spout 2
In the case of the washing nozzle 20 formed in 1a, as shown in FIG. 8, the hot water spreads in a fan shape over a wide range from the curved surface portion 11a on the side wall surface of the bath tub to almost the entire long side of the bath tub, and the water discharge thickness becomes flat. 11 is ejected near the upper end. Spout 21
As shown in FIG. 9, hot water is spouted from the curved surface portion 11a of the bathtub side wall to a predetermined range around the handgrip 12 from the cleaning nozzle 20a formed by b, and hair and dust adhering to the bathtub side wall surface 11, respectively. Wash off. At this time,
In the peripheral area of the curved surface portion 11a on the side wall surface of the bathtub and the handgrip 12, hot water is spouted from each of the cleaning nozzles 20 so as to overlap with each other, so that the hot water can be sufficiently distributed and even cleaning can be performed. After the hot water is spouted for a predetermined time, a cleaning liquid in which hot water and a detergent are mixed is spouted in the same manner as described above, and the dirt attached to the bathtub side wall surface 11 is washed away. After the cleaning liquid is jetted for a predetermined time, hot water is jetted again in the same manner to wash away dirt and the cleaning liquid to wash the inside of the bathtub 10.

The present invention is not limited to the above-described embodiment, but can take various embodiments.
For example, in the embodiment, two washing nozzles 20 are provided on the long side of the bathtub 10, but any number of washing nozzles 20 may be provided on opposing side walls of the bathtub depending on the shape of the bathtub. I do not care. In addition, it is not limited to the long side of the bathtub 10 but may be attached to a portion of the short side that does not interfere with bathing.

The spout 21 of the cleaning nozzle 20 forms a cut 21a or 21b with a linearly widened tip for jetting hot water or the cleaning liquid 20a in a fan shape. No problem. Also, the cut angle 21d is set so that hot water or the cleaning liquid 20a is jetted to the upper end of the bathtub side wall surface 11,
The cutting angle 21d of the jet port 21 is set in advance,
As one means, the distance from the upper edge surface 13 of the bathtub to the washing nozzle 20 is adjusted, and the washing nozzle 20 is attached to the side wall surface 11 of the bathtub.

[Brief description of the drawings]

FIG. 1 is a diagram showing a schematic configuration of a bathtub cleaning apparatus according to an embodiment of the present invention.

FIG. 2 is a front view of a cleaning nozzle.

FIG. 3 is a diagram of a cross section of a cleaning nozzle viewed from a lateral direction.

FIG. 4 is a view of the cleaning nozzle as viewed from the back.

FIG. 5 is a view of a cross section of a cleaning nozzle for jetting hot water or cleaning liquid symmetrically with respect to the center of the cleaning nozzle as viewed from above.

FIG. 6 is a view of a cross section of a washing nozzle for asymmetrically ejecting hot water or a washing liquid to the center of the washing nozzle as viewed from above.

FIG. 7 is a view showing a method of assembling a cleaning nozzle.

FIG. 8 is a view showing a jetting state when hot water or a cleaning liquid is jetted symmetrically with respect to the center of the cleaning nozzle.

FIG. 9 is a view showing a jetting state when hot water or a cleaning liquid is jetted asymmetrically to the center of the cleaning nozzle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Bathtub 11 Bathtub side wall surface 12 Hand grip 13 Bathtub upper edge surface 14 Opening hole 20 Cleaning nozzle 21 Spout port 22 Male screw part 23 Opening connection part 24 Packing 25 Packing 26 Washer 27 Stopper 29 Hexagon hole 30 Cleaning unit 31 Supply pipe 32 Branch Joint 33 Connection joint 34 Connection parts

Claims (5)

[Claims] 1. A bathtub cleaning apparatus for cleaning a bathtub by jetting hot water or cleaning liquid from a cleaning nozzle provided on a side wall surface of the bathtub, wherein at least one or more cleaning nozzles are provided on two opposing side walls of the bathtub. A bath tub cleaning device, characterized in that the cleaning nozzles are arranged such that the hot water or cleaning liquid spouted from the washing nozzles overlap in the spraying range. 2. The cleaning nozzle according to claim 1, wherein the cleaning nozzle jets hot water or a cleaning liquid in a fan shape, and has a linear cutout port so as to jet symmetrically with respect to the center of the cleaning nozzle. The bathtub cleaning device as described. 3. The cleaning nozzle according to claim 1, wherein the cleaning nozzle blows out hot water or cleaning liquid in a fan shape, and has a linear cutout port so as to blow out asymmetrically with respect to the center of the cleaning nozzle. The bathtub cleaning device as described. 4. The bath tub cleaning according to claim 2, wherein the cut nozzle of the cleaning nozzle is formed with a narrow cut having a uniform cut width so as to jet hot water or a cleaning liquid in a flat shape. apparatus. 5. The cutting nozzle according to claim 1, wherein said cleaning nozzle has a cut-out angle of a jet port so as to jet hot water or a cleaning liquid near an upper end portion of a side wall surface of said bathtub.
The bathtub cleaning device as described.