JP3286910B2 - Elevating double bottom floor device for water tank - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double-layered bottom floor device in which a bottom plate is further installed on the lower bottom surface of a water tank.
In particular, the present invention relates to an elevating double bottom floor device for a water tank suitable for use when an elderly person or a disabled person takes a bath.

[0002]

2. Description of the Related Art Conventionally, water tanks such as bathtubs and pools have a fixed bottom floor structure, and the height of the bottom floor cannot be adjusted. Therefore, when a user enters the water tank, for example, when a person with a disability or an infant enters the bathtub or pool, the depth of the water in the water tank should be adjusted to prevent accidental accidents when entering the water tank. May be adjusted shallow.

[0003]

However, the depth adjustment of the amount of water is performed visually according to the user's physique, age, or degree of physical inconvenience. For this reason, not only does it take time to adjust the depth of the water volume, but also it is difficult to perform an accurate depth adjustment suitable for the user. On the other hand, when the water level is not adjusted, the caregiver must enter the water while holding the user's body every time a user such as a handicapped person or infant enters the water. Be strong. The present invention has been made in view of the above problems, and it is an object of the present invention to provide a vertically movable double bottom floor device for a water tank that does not require a water depth adjustment at the time of entering water and allows a user to easily enter the water without assistance. And

[0004]

Means for Solving the Problems The elevating type of the water tank according to the present invention.
The heavy bottom floor device is installed on the bottom of the water tank and allows the user to sit and ride
To the bottom plate with holes and the end that is connected and fixed to the back side of the bottom plate.
Grid-like lifting beams with pulleys and multiple tanks
A pulley is formed to extend in the vertical direction in the inner concave part of the location
The lower end is connected to the guide rail and the corner end of the elevating floor beam.
With a suspended lifting rope and installed above the water tank
A winding machine that winds the upper end of the lifting rope in a reversible manner,
An operation switch provided near the water tank for operating the winder
In a double bottom floor device with a water tank equipped with a switch,
The descending beam is composed of an upper horizontal axis, an intermediate vertical axis, and a lower horizontal axis.
It consists of a framed structure, and at least
Ascending and descending through the intermediate longitudinal axis and the hoisting rope on the winding machine
The freely connected lower horizontal shaft part is a pinch leaf spring and a steady rest.
It is characterized by being detachably fitted with metal fittings .

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The bottom plate of the present apparatus has a required mounting area and load strength, and a large number of small holes are formed on the surface of the bottom plate in order to reduce the resistance of water when ascending and descending. You. The shape of the bottom plate is classified into a hollow type and a solid type, and is made flat or partially curved by plastic, wood, hard rubber, or the like. At the end of the bottom slope,
A lifting rope is connected to at least three places, and the lifting rope is not limited to a steel cord, and may be a fiber or a plastic as long as it can be wound. The winder that winds the lifting rope is an electric type that is driven to rotate in both forward and reverse directions, and it is preferable to install a protective cover outside the lifting rope as a safety device for the lifting rope. The stop of the operation of the winding machine is controlled by an on / off operation of an operation switch. The operation switch is mounted near the upper surface of the water tank, and can be operated by a user at the entrance and exit of the water tank. The water tank to which the present device is applied is mainly a bathtub, but can also be applied to pools, water storage tanks, artificial ponds for aquaculture, and the like. The guide member that guides the ascent / descent operation of the bottom slope is usually a guide rail or a guide roller, and is provided vertically at a plurality of positions between the bottom side surface portion and the inner wall surface of the water tank.

In this apparatus, the winder is driven to rotate in the forward and reverse directions by turning on and off an operation switch disposed near the water tank, and the lifting rope is wound and rewound accordingly. Therefore, by lifting the lifting rope,
The bottom plate in the water tank moves up and down along the guide member, and stops at an arbitrary height position with respect to the water tank. Therefore, when the user enters the water tank, first, the bottom plate is raised and stopped at the upper surface position of the water tank, then ride on the bottom plate, then descend the bottom slope and stop at the lower bottom position of the water tank. Good. After entering the water, the user can easily go out of the water tank with the bottom slope again raised to the upper surface position of the water tank. In this way, the user can easily and safely enter the water tank while operating the winding machine at hand, thereby eliminating the need for assistance and
There is no need to adjust the amount of water in the aquarium.

[0007]

EXAMPLES described below with reference embodiment of the present invention in FIGS. 1 to 18. In this embodiment, the present invention is applied to bathtubs such as homes, nursing homes, hospitals, and quarries as water tanks. As shown in FIG. 1, a schematic configuration of the present apparatus includes a bottom slope 2 disposed on a bottom surface of a bathtub body 1 which is a water tank, and a bathtub body 1.
A guide rail 3 which is a guide member formed on the side wall of the vehicle, a wire rope 4 connected to an end of the bottom plate 2, a motor 5 as a winder for winding the wire rope 4 in a forward and reverse direction, and a motor 5 And a push button type operation switch 6 for operating the operation stop.

The bottom plate 2 has a frame structure as a lifting floor beam 7 on the back surface side. As shown in FIG. 2, the lifting floor beam 7 is configured by assembling a plurality of lower horizontal shaft portions 71, an intermediate vertical shaft portion 72, and an upper horizontal shaft portion 73 in a lattice shape. A simple fitting means and a steadying means are provided between the upper and lower shaft members 71, 72, 73 of the shaft assembly structure. For example, figure
As shown in FIG. 3 , a pair of sandwiching leaf springs 74 is provided on the lower surface of the upper horizontal shaft portion 73, and this sandwiching leaf spring 7
4, an intermediate longitudinal member 72 is detachably fitted thereto.
4 so as to be able to abut. These means 74, 7
5, as shown in FIG. 4, it is also provided between the intermediate vertical shaft 72 and a lower horizontal rod portion 71.

As shown in FIG . 5 , an upper horizontal shaft portion 73 is fixed to a central portion of the lower surface of the bottom plate 2 by a T-shaped bracket 21. The bottom plate 2 is made of a plastic material here,
As shown in FIG. 6 , a large number of small holes 22 are formed in a portion excluding the peripheral region. FIG. 7 is a view of the bottom slope 2 disposed in the bathtub body 1 as viewed from above,
As shown in FIG. 8 , a pulley 23 that fits into the guide rail 3 is attached to an end portion of the lower horizontal shaft portion 71 that is a component of the first embodiment. An upper horizontal rod portion 73 and the bottom plate 2 of the elevating floor beam 7, as shown in FIG. 9, is connected and fixed by a bolt 24.

As shown in FIG . 10 , a faucet 12 is fitted to a drain port 11 on the floor of the bathtub body 1. The faucet 12 is a hook 14 with a stopper 13 whose upper end is locked on the upper surface of the bathtub body 1. And the middle part of the squirrel 14 is the inspection lid 2
5 penetrates the hole 26 in which it is mounted. As shown in FIG. 11 , when the hook 14 is pulled up, the lid 25 is also pulled up together therewith, and the stopper 13 hits the edge of the hole 26, thereby restricting the pull-up movement of the hook 14. As shown in FIG. 12 , a recess is provided on one side wall of the inner surface of the bathtub body 1, and a guide rail 3 having a ridge is formed on the inner surface of the recess. A pair of left and right four places on the upper surface of the bathtub body 1 have screw holes 31 for fixing the cover, and a U-shaped or square-shaped stainless steel pipe protection cover 8 described later is screw-fixed to this position. ing.

As shown in FIG. 13 , the pipe protection cover 8 has a piping hole 81 at an intermediate position thereof, and has screw holes 82 at a plurality of appropriate positions. As shown in FIG. 1, a limit switch 61 is disposed at an intermediate position of the pipe protection cover 8 so as to be able to contact the upper part of the wire rope 4. The height at which the limit switch 61 hits the upper portion of the wire rope 4, that is, the upper surface position of the bathtub body 1, restricts the upward movement of the bottom plate 2. In the upper position of the bathtub body 1 that a bather can reach from inside the bathtub body 1,
An operation switch 6 for stopping the operation of the motor 5 is provided. Below the operation switch 6, a drain hole 15 for discharging water overflowing from the bathtub body 1 is formed.

As shown in FIG. 14 , the upper end of the pipe protection cover 8 is fixed to a bathroom ceiling 52 provided with an aluminum inspection door 51 by screws. As shown in FIG. 15 , a fixed pipe 42 is provided in the pipe protection cover 8 .
A slide pipe 43 accommodating the stainless steel wire rope 4 is vertically movably mounted inside the lower part of the national pipe 42. The lower end of the wire rope 4 is connected to the lifting floor beam 7, while the upper end of the wire rope 4 is
As shown in FIG. 16 , the motor 5 is wound around a reel unit.

The motor 5 has a rope take-up cover 53, so that the wire rope 4 can be taken up and rewound according to the forward / reverse rotation drive. As shown in FIG. 17 , the motor 5 is mounted on an H-shaped steel base 55 having a bolt hole 54, and a plastic pipe 56 for rope penetration is attached to the end of the base 55. Stand 55
18 is fixed to the bathroom side wall by two anchor bolts 57 as shown in FIG. 18, and an electric control panel 58 for electrically controlling the motors 5 is provided between the pair of motors 5 on the gantry 55. Is installed.

Next, a method of using the above-described configuration will be described. In this device, since the operation switch 6 is disposed near the bathtub body 1, when a disabled person or a child takes a bath, the bather can operate the operation switch 6 from inside or outside the bathtub body 1 at hand. . Therefore, the on / off operation of the operation switch 6 causes the motor 5 to rotate forward / reverse, thereby enabling the wire rope 4 to be wound and rewound. As a result, the bottom slope 2
Can be moved up and down in the bathtub body 1, and the bottom plate 2 can be stopped at an arbitrary height from the lower end to the upper end with respect to the bathtub body 1.

Therefore, when a bather actually takes a bath using the bottom plate 2, the following procedure may be performed. First, the bottom plate 2 is connected to the bathtub body 1 by turning on and off the operation switch 6.
To the upper position of. Thereafter, the bather sits on the bottom plate 2 and rides while the bottom plate 2 is stopped outside the bathtub body 1. Next, the bottom plate 2 is lowered to an appropriate lower position in the bathtub body 1. This allows the bather to enter the room while sitting on the bottom plate 2. When the bather gets out of the bath, the reverse operation may be performed.
That is, when the operation switch 6 is turned on, the bottom plate 2 is raised to a position above the bathtub main body 1, and the bather stops the bottom plate 2 outside the bathtub main body 1.
You just have to get off.

As described above, the bather can easily get in and out of the bath by himself / herself by getting on and off the bottom night 2 at an appropriate height position suitable for his or her physique. Therefore, even when a person with a physical disability takes a bath, the bather can safely and easily take a bath alone without the cooperation of a caregiver. Of course, at this time, the bather can stop the bottom plate 2 at the desired water depth position to take a bath, so that it is not necessary to adjust the bath water depth every time the bather is replaced.

In the above embodiment, at the end of the bottom temporary 2,
A small handhold or backrest may be provided along the edge. Further, by providing a rotation mechanism at an intermediate portion of the wire rope 4 or a connecting portion between the wire rope 4 and the bottom plate 2, the bottom slope 2 may be rotatable around a vertical axis. If necessary, the motor 5 may be allowed to run in both the vertical and horizontal directions on the ceiling.

[0018]

According to the present invention, a bottom plate provided on the bottom surface of a water tank and on which a user sits and rides, an elevating floor beam connected to the back side of the bottom plate and having a pulley attached thereto, and formed in an inner recess of the water tank. And a guide rail on which a pulley fits, a lower end of a lifting rope is connected to a corner end of the lifting floor beam, and the guide rail is formed so as to extend vertically at a plurality of locations on the inner surface of the water tank, and is lifted. By installing a winder that winds the upper end of the rope at the top of the water tank, providing an operation switch for operating the winder near the water tank, and winding the lifting rope with the winder by turning on and off the operation switch, The bottom plate has the required load strength and can not only reduce the resistance received from water, but also can stop the bottom plate in the water tank that goes up and down along the guide rail via the pulley at any height position, Person While operating the winder by hand from the inside and outside of the water tank, sitting on a bottom plate (made of plastic or the like) with a raised floor beam fixed on the back surface, it is possible to easily enter and exit the water tank, and Water can be easily and safely entered at the depth of the sea. Especially when the water tub is a bath tub, the user can take a bath while sitting on the bottom plate outside the bath tub, so even if the disabled or elderly person is disabled, even a single person without the help of a caregiver It is easy to take a bath, and in this case, there is no need to visually adjust the water volume from outside the bathtub, and of course, even if the bather is replaced, there is no need to adjust the bath depth every time. effective.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional front view showing an elevating double bottom floor apparatus for a bathtub.

FIG. 2 is a plan view showing a frame structure of a lifting beam in the apparatus.

FIG. 3 is a detailed perspective view illustrating the connection of the frame structure.

FIG. 4 is a detailed perspective view illustrating a sandwich leaf spring having a shaft structure.

FIG. 5 is a perspective view showing a T-shaped fitting of a bottom plate according to the embodiment.

FIG. 6 is a perspective view showing a hole portion of a bottom plate.

FIG. 7 is a plan view showing a bottom plate in the bathtub.

FIG. 8 is a partial cross-sectional perspective view showing a connecting portion of a lifting floor beam.

FIG. 9 is an enlarged cross-sectional view showing a bolt at a connecting portion in FIG. 9;

FIG. 10 is a side cross-sectional view showing the engagement between the bottom plate and the wedge.

FIG. 11 is a detailed enlarged view showing a stopper portion of the sword.

FIG. 12 is a perspective view showing a guide rail.

FIG. 13 is a perspective view showing a pipe protection cover.

FIG. 14 is a partial cross-sectional side view of the lifting type double bottom floor device.

FIG. 15 is a perspective view showing the engagement between the guide rail and the pulley.

FIG. 16 is a detailed perspective view illustrating a motor according to an example.

FIG. 17 is a perspective view illustrating a mount of the motor.

FIG. 18 is a plan view showing a motor mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bathtub body (water tank) 11 Drainage port 12 Water faucet 13 Stopper 14 Criss 15 Drain hole 2 Bottom plate 21 T-shaped bracket 22 Hole 23 Pulley 24 Bolt 25 Inspection lid 26 Hole 3 Guide rail (Guide member) 31 Screw hole 4 Wire rope (lifting rope) 42 Fixed pipe 43 Slide pipe 5 Motor (winding machine) 51 Inspection door 52 Bathroom ceiling 53 Rope winding cover 54 Bolt hole 55 Mounting stand 56 Rope penetration pipe 57 Anchor bolt 58 Electric control panel 6 Operation Switch 61 Limit switch 7 Elevating floor beam 71 Lower horizontal axis part 72 Middle vertical axis part 73 Upper horizontal axis part 74 Nipping leaf spring 75 Steady stop fitting 8 Pipe protection cover 81 Piping hole 82 Screw hole

 ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-10-85293 (JP, A) JP-A-4-108450 (JP, A) JP-A-62-185968 (JP, A) JP-A-8-85 232487 (JP, A) JP-A-9-60318 (JP, A) JP-A-10-121755 (JP, A) JP-A-2-123231 (JP, U) JP-A-4-43662 (JP, U) Hikaru Hei 3-68269 (JP, U) Registered utility model 3017782 (JP, U)

Claims (1)

(57) [Claims] 1. A bottom plate (2) provided on a bottom surface of an aquarium (1) and having a hole (22) on which a user sits and rides, and a pulley (23 ) is connected to and fixed to the back side of the bottom plate (2). ) and lattice-like lifting floor beams attached is (7), water tank (pulley is formed to extend in the vertical direction on the inner surface concave portion at a plurality of positions of 1) (23)
The guide rail (3) fits, the lifting rope (4) whose lower end is connected to the corner end of the lifting floor beam (7) , and the upper end of the lifting rope (4) installed above the water tank is rotated forward and reverse. Winding machine (5) for rewinding as much as possible, and an operation switch provided near water tank (1 ) for operating winding machine (5)
(6) In a double bottom floor apparatus for raising and lowering a water tank comprising :
The elevating floor beam (7) has an upper horizontal axis (73) and an intermediate vertical axis.
(72) and a lower horizontal shaft part (71)
Of which at least the middle vertical axis (7
2) and a hoisting rope (4) to the winder (5)
The lower horizontal shaft part (71), which is connected so as to be able to move up and down,
Removable with spring (74) and steady rest (75)
An up-and-down type double bottom floor device for a water tank characterized by being fitted to a water tank.