JPH088710Y2 - Bathtub lid sealing device and bathtub cleaning device using the device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a lid plate sealing device for a bathtub that seals the bathtub by an airtight chain of the bathtub lid and a bathtub cleaning device using the device.

[Conventional technology]

Generally, as shown in FIG. 12, as the lid of the bathtub, a type in which a plurality of divided lid plates 3 are placed on the upper end surface of the bathtub 1 or a folding type is used.

In addition, recently, as shown in FIG. 11, the cover plate 3
Nozzles 4a and 4b are attached to the nozzle, and the detergent is fed from the detergent supply source 5 to the nozzle 4a through the hose 6, and the detergent is jetted into the bathtub 1 from the nozzle 4a to remove dirt on the inner wall surface of the bathtub. An automatic cleaning method in which cleaning water is supplied to the nozzle 4b from a cleaning water supply source such as tap water through the hose 7 and the cleaning water is jetted into the bathtub 1 to wash away the detergent and dirt components on the inner wall surface of the bathtub to wash the inner wall surface of the bathtub. A cleaning device is proposed in Japanese Utility Model Laid-Open No. 63-71869.

[Problems to be solved by the device]

When the conventional lid of the bathtub is used, the lid plate 3 is simply placed on the upper end surface of the bathtub 1, so that a gap is generated between the bathtub 1 and the lid plate 3, and In the case where a plurality of divided lid plates 3 are arranged, a gap is further created between the lid plates 3 and the heat of the hot water in the bathtub 1 escapes from these gaps, and the hot water is easy to cool. There was a drawback that

Further, in the device for automatically cleaning the lid plate 3 with the nozzles 4a and 4b, when the detergent is sprayed from the nozzle 4a into the bathtub 1 through the hose 6, the detergent becomes a mist and the lid plate 3 There is a problem that the detergent leaks into the bathroom from the gap between the bathtub 1 and the bath plate 1 and the gap between the cover plates 3 and 3 and the detergent adheres to the bathroom wall surface and harms the human body. When the washing water is supplied to the nozzle 4b by a load, a large pressure is applied to the hose 7 by the load applied to the nozzle 4b, the hose 7 moves violently, the lid plate 3 slips off the bath 1, and the automatic washing of the bath 1 is effective There was a problem that could not be done.

The present invention has been made to solve the above-mentioned conventional problems, and a first object thereof is a lid cover sealing device for a bathtub capable of airtightly closing the lid plate to enhance the heat retaining effect of hot water. It is a second object of the present invention to further prevent the leakage of the detergent and the sliding down of the lid plate due to the hose storm when the bath is automatically cleaned by using the lid plate sealing device. It is an object of the present invention to provide a bathtub cleaning device capable of preventing the above.

[Means for solving the problem]

The present invention is configured as follows to achieve the above object. That is, the lid cover closing device of the bathtub according to the present invention forms a back surface region of the bath lid plate facing the bathtub on a surface without a gap, and the backside of the bathtub lid plate is surrounded by the entire circumference facing the top wet edge of the bathtub. A vacuum suction surface is formed over the area, and a vacuum suction passage for vacuum-sucking this vacuum suction surface to the upper wet edge of the bath is provided so as to be freely connectable to a vacuum pump. A bathtub cleaning device according to the present invention includes the bathtub lid sealing device, and the bathtub lid plate is provided with a jetting portion for jetting detergent and washing water. And is connected to a supply source of washing water.

[Action]

According to the present invention, when a separately provided vacuum pump device is driven, the vacuum suction action of this device causes the vacuum suction surface formed on the back surface of the bathtub lid plate to be vacuum-sucked to the upper wet edge of the bathtub by the vacuum suction force. A closed state between the lid and the lid is achieved, and the upper end opening surface of the bathtub is airtightly closed by the bathtub cover plate.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 show a first embodiment of a lid closing device for a bath according to the present invention. As shown in FIG.
The upper end surface of the bathtub 1 is covered with a bathtub cover plate 10. As shown in FIG. 2, the bathtub cover plate 10 has a back surface side (a side facing the bathtub 1) which is a single plate without a gap,
As shown in FIG. 4, a band groove 15 is provided around the entire peripheral region of the bathtub 1 facing the upper end wetting edge 13.
A groove-shaped main passage 14 is provided around the center of the groove 15.
A packing member 16 made of rubber or synthetic resin having elasticity is fitted and fixed in the band groove 15. As shown in FIGS. 3 and 4, the packing member 16 is circumferentially provided with a pair of protrusions 17a and 17b with a gap therebetween, and is formed between the protrusions 17a and 17b. The bottom surface 20 of the recessed space 18 is a suction hole 21 communicating with the main passage 14.
Are formed over the entire circumference at a predetermined interval. Packing member 1 in which the protrusions 17a and 17b and the bottom surface 20 are formed
The processed surface of 6 constitutes a vacuum suction surface 12 for sucking the ridges 17a, 17b onto the upper end wet edge 13 of the bathtub 1.

The tub lid plate 10 has the ridges 17a and 17b at the upper end of the tub 1 wet edge 1
It is put on the upper surface 2 of the opening of the bathtub 1 in a state of being in contact with 3, and a communication hole 22 (FIG. 2) is formed on the base end side of the bath cover plate 10 to communicate with the main passage 14. , This communication hole 22
The inlet side of the vacuum suction device (hose) of the vacuum pump device 23
It is connected to 24 (Fig. 1). In this embodiment, the suction hole 21, the main passage 14, and the communication hole 22 are vacuum pump devices.
A vacuum suction passage for applying the vacuum suction force of 23 to the vacuum suction surface 12 is configured.

The vacuum pump device 23 includes a vacuum pump 25, a three-way valve 26a,
26b and a line connecting these vacuum pump 25 and the three-way valves 26a, 26b. The operation of the vacuum pump 25 and the switching operation of the three-way valves 26a, 26b are controlled by the controller 11. . In addition, in FIG. 1, 19 has shown the bath kettle.

The first embodiment is configured as described above, and
The operation will be described.

First, as shown in FIG. 1, when the bath cover plate 10 is closed and the opening upper surface 2 of the bath 1 is closed, the warm-up button 9 of the controller 11 is turned on, and the controller 11 causes the three-way valve 26b to open to the atmosphere. Close the open passage, open the atmosphere open passage of the three-way valve 26a,
The vacuum pump 25 is started. Then, by the vacuum suction of the vacuum pump 25, the air in the concave space 18 on the vacuum suction surface 12 side of the bath cover plate 10 is sucked from the suction hole 21 through the trunk passage 14 and the communication hole 22. Then, the sucked air is a three-way valve 26.
It enters the vacuum pump 25 through b, and is further discharged to the atmosphere through the three-way valve 26a. Due to this vacuum suction action, the concave space 18 is negatively pressured, and the ridges 17a and 17b cause the upper end wet edge 1 of the bathtub 1 to come into contact.
It firmly adheres to the bath 3, and the bath lid 10 is fixed. The control device 11 has, for example, a timer built therein, and when the timer has timed out after a certain period of time, the vacuum pump 25 is stopped and the atmosphere opening passage of the three-way valve 26a is closed. As a result, since the atmosphere release passages of the three-way valves 26a, 26b are both closed, the vacuum suction state of the bath cover plate 10 is maintained, and the bath cover plate 10 is maintained.
Is fixed to the opening surface of the upper end of the bathtub 1 in a hermetically sealed state, and keeps that state stable. In this way, since the inside of the bathtub 1 is airtightly closed by the bathtub cover plate 10, it is difficult to hold the hot water, and the hot water heat retaining effect can be sufficiently enhanced.

When opening the bath cover plate 10, the heat retention button 9 may be turned off. By this OFF operation, the control device 11 opens the atmosphere opening passage of the three-way valve 26b, closes the atmosphere opening passage of the three-way valve 26a, and activates the vacuum pump 25. Then, the three-way valve
The air introduced from the air release passage 26b is a vacuum pump 25.
Enters the three-way valve 26a.
Through the main passage 14 and the suction hole 21 to enter the recess space 18, and the negative pressure state of the recess space 18 is eliminated. Along with this, the suction state of the vacuum suction surface 12 is released, and the bath cover plate 10 can be removed.

FIG. 5 to FIG. 7 show a second embodiment of the lid sealing device according to the present invention.
Examples of are shown. In the description of the second embodiment, the same parts as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

The second embodiment differs from the first embodiment in that the inner space of the bath 1 is vacuum-sucked so that the bath lid plate 10 is adsorbed to the upper end wet edge 13 of the bath 1. For this reason, in the second embodiment, the suction hole 21 and the main passage 14 in the first embodiment are omitted. In the second embodiment, as shown in FIG. 5, an opening 27 communicating with the internal space of the bathtub 1 is formed at a lid position inside the packing member 16, and the opening 27 is formed in the bathtub lid plate 10. It is detachably connected to a vacuum suction pipe line 24 of a vacuum pump device 23 through a communication hole 22 formed inside the. In this embodiment, the opening 27 and the communication hole 22 form a vacuum suction passage.

In the second embodiment, when the heat retention button 9 of the control device 11 is turned on, the vacuum pump is operated as in the first embodiment.
The air in the bathtub 1 filled with water is sucked from the opening 27 through the communication hole 22, and the three-way valve 26a
It is discharged from the atmosphere open passage. By the suction operation of the vacuum pump 25, the inside of the bathtub 1 becomes negative pressure, the suction surface 12 of the packing member 16 of the bathtub lid plate 10 is adsorbed to the upper end wet edge 13 of the bathtub 1, and the bathtub 1 is made airtight by the bathtub lid plate 10. Will be closed. The controller 11 stops the vacuum pump 25 and closes the atmosphere release passages of the three-way valves 26a and 26b to maintain the negative pressure inside the bath 1 when a certain time has elapsed. In this way, the inside of the bathtub 1 is the bathtub lid plate 10.
Thus, the hot water in the bathtub 1 is effectively kept warm by keeping it in a sealed state.

The bath cover plate 10 is opened by turning off the heat retention button 9 of the control device 11 as in the first embodiment.

It should be noted that the bathtub sealing device according to the present invention is not limited to the above-described embodiments, and various embodiments can be adopted.
For example, in each of the above embodiments, the vacuum suction passage connected to the vacuum suction pipe line 24 of the vacuum pump device 23 is provided on the bath cover 10 side. However, for example, as shown in FIG. 1. A vacuum suction passage 19 communicating with the space inside 1 is provided, and this vacuum suction passage 19 is connected to a vacuum pump device 23 via a vacuum suction pipe line 24.
May be connected to.

Further, in each of the above-mentioned embodiments, the bath cover plate 10 is formed in a single plate shape, but it may be formed in a foldable cover. In this case, it is effective to form the bathtub cover plate 10 from a single plate such as rubber or synthetic resin having elasticity and to provide a folding groove at the folding position so that the folding groove can be easily bent. Further, when a plurality of divided plates are joined by a hinge or the like to form a folding type, it is necessary to cover the back surface side of the bathtub cover plate 10 with a sheet or the like to form a surface without a gap. Alternatively, the bath cover plate 10 may be formed into a sheet-like body, and the sheet-like body may be formed so as to be wound up and stored by a winding shaft provided at one end of the bathtub.

Furthermore, in each of the above embodiments, the packing member 16 is provided on the back surface of the bath cover plate 10 to form the vacuum suction surface 12, but the bath cover plate is
The back surface of 10 may be formed of a flat plate of rubber or synthetic resin having elasticity, and the back surface of the bath cover plate 10 may be used as a vacuum suction surface as it is.

Further, the vacuum pump device 23 can have various configurations, and can be configured by using electromagnetic valves instead of the three-way valves 26a and 26b, for example.

FIG. 9 shows an embodiment of the bathtub cleaning apparatus according to the present invention. This washing apparatus is provided with a jetting portion of detergent and washing water on a bathtub lid plate of a bathtub equipped with the lid plate sealing device shown in FIGS. 1 to 8, and a detergent supply source 5 and a washing water supply source are connected to a hose. It can be configured by connecting to the jetting portion via the like, and FIG. 9 shows an embodiment thereof, in which the upper end surface of the bathtub 1 is covered with a bathtub cover plate 10. As described above, the packing member 16 is provided on the back surface of the bath cover plate 10, or the entire back surface of the bath cover plate 10 is formed of rubber or synthetic resin having elasticity to form the vacuum suction surface 12. The vacuum suction surface 13 is brought into contact with the upper end wetting edge 13 of the bathtub 1, and the bathtub cover plate 10 closes the upper end opening of the bathtub 1.

The bath cover plate 10 is provided with a jetting part 28 composed of a nozzle or the like. The jetting part 28 communicates with a fluid passage 30 provided inside the bath lid plate 10, and an inlet side of the fluid passage 30 is a detergent. And a washing water supply pipe (hose) 31 are detachably connected. This supply passage 31 is provided with a detergent supply source 5 via a three-way valve 32.
It is connected to the wash water supply source such as tap water. The detergent supply source 5 is composed of a detergent tank 33 containing a detergent and a pump 34 for pumping the detergent from the detergent tank 33. The washing water supplied from the tap water is added to the three-way valve 32 via a solenoid valve 35. Has been. The three-way valve 32 switches and connects the pipeline from the detergent supply source and the pipeline from the wash water supply source to the supply pipeline 31. The operation control of the three-way valve 32, the pump 34, and the solenoid valve 35 is performed by the controller 11.

A vacuum suction passage 19 is formed in the bath cover plate 10, the front end side of the vacuum suction passage 19 is open to the internal space of the bath 1, and the base end side is connected to the vacuum suction pipe line 24. ing. The vacuum pump device 23 of this embodiment is composed of a simple device including an opening / closing valve 36 and a vacuum pump 25.
Closed the vacuum suction line 24, opened the same line 24,
24 is connected to the vacuum pump 25, and the operation control of the opening / closing valve 36 and the vacuum pump 25 is also performed by the controller 11.

When cleaning the bathtub 1 using the apparatus shown in FIG. 9, first, the drain hole 29 of the bathtub 1 is closed and the vacuum pump is used.
25 is driven and the on-off valve 36 is operated to connect the vacuum suction pipe line 24 to the vacuum pump 25. Then, the vacuum suction action of the vacuum pump 25 extends into the bathtub 1 through the vacuum suction pipe line 24 and the vacuum suction passage 19, and the air in the bathtub 1 is sucked by the vacuum pump 25 and discharged to the outside. Becomes negative pressure, and the bath cover plate 10 adsorbs to the upper end wet edge 13 of the bath 1. By the suction of the bath cover plate 10, the bath cover plate 10 is firmly fixed to the bath 1. In this state, if the vacuum suction pipe line 24 is closed by the opening / closing valve 36 and the vacuum pump 25 is stopped, the vacuum suction force continues to act on the bath cover plate 10 and the suction fixing state of the bath cover plate 10 becomes stable. Maintained at.

With this suction cover fixed on the bathtub lid, start the pump 34,
When the detergent is supplied from the detergent supply source 5 through the supply pipe line 31 and the fluid flow path 30 to the ejection portion 28, the detergent is ejected from the ejection portion 28 toward the inside of the bath, and dirt on the inner wall surface of the bath is separated. Float up.

Next, the pump 34 is stopped, the three-way valve 32 is operated to switch the flow path, the electromagnetic valve 35 is opened, and the wash water is similarly supplied from the wash water supply source through the supply pipeline 31 and the fluid flow path 30. if,
The washing water is jetted into the bathtub from the jetting unit 28, and the dirt components and the detergent on the inner wall surface of the bathtub are washed away and collected on the bottom surface of the bathtub 1.

Next, when the electromagnetic valve 35 is closed to stop the supply of washing water and the opening / closing valve 36 is operated to open the vacuum suction pipe line 24 to the atmosphere, the inside of the bathtub 1 is returned to atmospheric pressure and the bathtub lid plate 10 is opened. Will be possible. Therefore, by opening the bath cover plate 10 and opening the drain hole 29, the sewage is discharged from the drain hole 29, and the washing of the inner wall surface of the bath is completed.

In this embodiment, when cleaning, the bath cover plate 10 is firmly fixed to the bath 1 by vacuum suction in a tightly closed state, so that the sprayed mist of the detergent sprayed from the spraying unit 28 leaks from the bath to the bathroom. The detergent does not adhere to the walls of the bathroom or harm the human body.

Further, when the washing water is supplied from the spouting portion 28, the pressure of the washing water acts on the bath cover plate 10 from the supply pipe line 31 such as a hose, but as described above, the bath cover plate 10 is firm by vacuum suction. Since it is fixed to the bath cover plate 10
There is no slipping or dropping, and the bathtub 1 can be washed stably and efficiently.

The bathtub cleaning device according to the present invention is not limited to the above-described embodiment, and various embodiments can be adopted. For example, in the embodiment shown in FIG. 9 described above, the fluid passage 30 and the vacuum suction passage 19 are formed inside the bath cover plate 10. However, as shown in FIG. It is formed on the outside of the valve and uses a hose 37a for the vacuum suction hole 38
Alternatively, the hose 37b may be connected to the ejection portion 28 on the side of the suction pipe of the three-way valve 32.

Further, in the example shown in FIGS. 9 and 10, the three-way valve 32
The spray supply passage and the wash water supply passage using
A three-way valve configured to selectively switch to the 28-side passage
The conduit from 32 to the spouting portion 28 serves as both the detergent passage and the washing water passage.For example, as shown in FIG. 11 of the conventional example, the spouting portion and the washing portion of the detergent are attached to the bath cover plate 10. It is also possible to separately provide a water jetting section and use a separate conduit to guide the detergent and washing water to the corresponding jetting section.

Further, in FIGS. 8 and 9, the bathtub 1 is manually operated.
Although the drain hole 29 is opened and closed, the drain hole 29 may be automatically opened and closed by using, for example, a solenoid valve.

[Effect of device]

According to the present invention, a vacuum suction surface is formed on the back surface of the bathtub cover plate, and the bathtub cover plate is airtightly fixed to the wet edge of the bathtub by suction drive of the vacuum pump device. The heat in the bathtub does not escape from the gap between the cover plates or the gap between the cover plates, and it is possible to effectively keep the hot water in the bathtub warm.

Further, when the bathtub cleaning device according to the present invention is used to wash the bathtub, since the bathtub lid plate is airtightly adsorbed and fixed to the wet edge of the upper end of the bathtub, the detergent sprayed in the bathtub or It is possible to reliably eliminate the drawbacks of the conventional device in which the cleaning water does not become mist and scatters from the bathtub to the bathroom, and the detergent adheres to the bathroom wall surface and harms the human body.

Furthermore, when spraying detergent or cleaning water, even if pressure is applied to the bath cover plate due to the load generated at the spraying part,
The bathtub lid will not slip or fall,
The bath washing work can be performed stably, efficiently and with high reliability.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing a first embodiment of a bathtub sealing device according to the present invention, and FIG. 2 is a rear view of a bathtub lid plate showing a configuration of a suction surface of a bathtub lid plate in the same embodiment, FIG. 3 is a detailed enlarged view of the suction surface of FIG. 2, FIG. 4 is a sectional view taken along line XX of FIG. 3, and FIG. 5 is a bathtub constituting a second embodiment of the bathtub sealing device according to the present invention. FIG. 6 is a rear view of the cover plate, FIG. 6 is an enlarged detailed view of the suction surface in FIG. 5, FIG. 7 is a sectional view taken along line YY of FIG. 6, and FIG. 8 is another view of the bathtub sealing device according to the present invention. FIG. 9 is an explanatory view showing an embodiment, FIG. 9 is a configuration explanatory view showing an embodiment of a bathtub cleaning device according to the present invention, and FIG. 10 is a configuration explanation showing another embodiment of a bathtub cleaning device according to the present invention. FIG. 11 is an explanatory view of a conventional bath cleaning apparatus, and FIG. 12 is an explanatory view showing a conventional general bath cover plate together with a bath. 1 ... Bathtub, 2 ... Opening top surface, 3 ... Lid plate, 4a, 4b ...
Nozzle, 5 ... Detergent supply source, 6 ... Hose, 7 ... Hose, 9 ... Insulation button, 10 ... Bath cover plate, 11 ... Control device, 12 ... Vacuum suction surface, 13 ... Top wet edge , 14 …… Main passage, 15 …… Band groove, 16 …… Packing member, 17a, 17b ……
Protrusion, 18 ... Recessed space, 19 ... Vacuum suction passage, 20 ... Bottom, 21 ... Suction hole, 22 ... Communication hole, 23 ... Vacuum pump device, 24 ... Vacuum suction pipe line, 25 ... … Vacuum pumps, 26a, 26b
…… Three-way valve, 27 …… Opening, 28 …… Spouting part, 29 …… Drainage hole, 30 …… Fluid flow path, 31 …… Supply line, 32 …… Three-way valve,
33 ... detergent tank, 34 ... pump, 35 ... solenoid valve, 36 ...
… Open / close valve, 37a, 37b …… Hose, 38 …… Vacuum suction hole.

Claims (2)

[Scope of utility model registration request] 1. A back surface region of the bath cover plate facing the bath is formed on a surface without a gap, and a vacuum suction surface is formed on at least the entire peripheral region of the bath cover plate facing the upper end wetting edge of the bath. In addition, a lid sealing device for a bathtub is provided with a vacuum suction passage for connecting the vacuum suction surface to the wet edge of the upper end of the bathtub in a vacuum manner so that the vacuum suction passage can be freely connected. 2. A back surface area of the bath cover plate facing the bath is formed on a surface without a gap, and a vacuum suction surface is formed on the back surface of the bath cover plate at least over the entire peripheral area facing the upper edge of the bath. In addition, a vacuum suction passage for vacuum suctioning this vacuum suction surface to the upper edge of the bath is provided so that it can be connected to the vacuum pump device. A bathtub cleaning device, characterized in that it is provided with a jetting section for jetting out water, and the jetting section is connected to a supply source of detergent and washing water via a pipe line.