JP2000271039A - Hand dryer - Google Patents

Abstract

(57) [Problem] To provide a hand dryer which does not require a large installation space at an installation location of an air blowing nozzle and can dry a hand washed with a tap of a wash basin with almost no movement. thing. An air blowing device (17) for blowing hand drying air.
And, in the hand dryer 16 provided with the air blowing nozzle 27 for blowing the air for hand drying from the air blowing device 17, the air blowing nozzle 27 is provided separately from the air blowing device 17, and Alternatively, a hand dryer attached to the water tap 14 of the sink 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand dryer used for drying wet hands, for example, installed in a washroom or the like.

[0002]

2. Description of the Related Art A lavatory 1 as shown in FIG.
The hand dryer 2 used in the first embodiment is a side wall 1a of the lavatory 1.
Generally, it is attached to. The hand dryer 2 includes a box-shaped dryer main body 3 and an air blowing nozzle 4 having a lower part of the dryer main body 3 with an air blowing port 4a directed downward.
An air blower 5 for generating hand drying air, a sensor 6 for detecting that the hand h of the user U has reached the air outlet of the air blowing nozzle and outputting a hand detection signal, A device including a control circuit 7 for controlling the operation of the air blower 5 by a signal has been considered.

In the hand dryer 2, when the hand h faces the air outlet 4 a of the air outlet nozzle 4, the sensor 6
Detects the hand h and inputs a hand detection signal to the control circuit 7,
The control circuit 7 operates the air blower 5. By this operation, the air blowing device 5 blows the air for hand drying from the air outlet 4a of the air blowing nozzle 4 toward the lower hand.

[0004] Therefore, after the hands h are washed using the water tap 9 provided on the sink 8 of the washroom 1, the wet hands h are washed.
When the air is directed to the air outlet 4a of the air outlet nozzle 4, hand drying air is blown from the air outlet 4a toward the wet hand, and the water droplets on the surface of the wet hand h are blown off and evaporated. Thus, the surface of the hand will be dried.

[0005]

By the way, the above-mentioned hand dryer 2 is provided with the dryer main body 3 provided with the air blowing nozzle 4 and the air blower 5 so as to be integrally formed, so that the overall size becomes larger. There is a problem that a large installation space is required and the installation place is limited.

The above-mentioned hand dryer 2 is usually attached to the side wall 1a of the washroom 1 at a position away from the water receiving portion (water receiving tank) 8a of the washstand 8. For this reason, in the related art, after the water drop of the hand h is shaken down to some extent by the water receiving portion 8a of the wash basin 8, the hand h is moved to below the hand dryer 2 for drying.

However, when the hand h is moved from the position of the water receiving portion 8a to a position below the hand dryer 2, water droplets remaining on the hand h are dropped on the floor or the like, or the hand dryer is moved. The water drops blown from the surface of the hand h in Step 2 fell on the floor, causing the floor to become dirty.

Accordingly, a first object of the present invention is to provide a hand that can dry a hand that has been washed with a tap of a wash basin without moving much, without requiring a large installation space at a place where the air blowing nozzle is installed. An object of the present invention is to provide a dryer.

A second object of the present invention is to provide a hand-drying method in which water from the surface of the hand does not fall on the floor or the like when the hand washed with the tap of the wash basin is moved below the air blowing nozzle. To provide machines.

A third object of the present invention is to provide a hand dryer capable of preventing the hand dryer from operating when wiping and cleaning a wash basin.

A fourth object of the present invention is to provide a method for drying water attached to the surface of a hand with air blown out from an air blowing nozzle. It is an object of the present invention to provide a hand dryer which does not scatter to the floor and fall on the floor or the like.

[0012]

In order to achieve the above-mentioned first object, an invention according to a first aspect of the present invention is directed to an air blower for blowing air for drying a hand, and an air blower for drying the air from the air blowing device. In a hand dryer with an air blowing nozzle that blows out,
The air blowing nozzle is provided separately from the air blower, and is a hand dryer attached to a sink or a faucet of the sink.

Further, in order to achieve the above-mentioned second object,
The invention according to claim 2 is characterized in that the air blowing nozzle is a hand dryer arranged on the wash basin such that the air can be blown out toward the water receiving portion of the wash basin.

In order to achieve the third object, the invention according to claim 3 is a sensor for detecting a hand facing the air outlet of the air outlet nozzle and outputting a hand detection signal; The hand dryer includes a control circuit for operating the air blower in response to a hand detection signal from a sensor, and an operation stop switch for stopping the operation of the air blower by the control circuit.

Further, in order to achieve the above-mentioned fourth object,
The invention according to claim 4 is that, when the wet hand is dried by the air blown out from the air blowing nozzle, the water droplet scattering that prevents the water droplets scattered from the hand by the air from scattering to the side of the water receiving portion. The prevention wall is a hand dryer provided on the air blowing nozzle.

Further, the invention of claim 5 is characterized in that the air blower is of a wall-mounted type.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. (1) First Embodiment In FIGS. 1 to 3, reference numeral 10 denotes a washroom, and 11 denotes a washroom 10.
The wash basin (wash basin) provided in the inside, 11a is the wash basin 11
The water receiving section (water receiving tank), 12 is a drain port at the center of the water receiving section, 1
3 is a drain pipe connected to a drain port 12, and 14 is a sink 11
Reference numeral 15 denotes a tap for operating the tap valve of the tap faucet 14.

In the lavatory 10, a hand dryer 16 shown in FIG. The hand dryer 16 has an air blower 17 for blowing hand drying air, an air tank 18 separate from the air blower 17, and a guide for hand drying air from the air blower 17 to the air tank 18. It has a flexible air guide hose 19.

The air blower 17 has a case 20 having an air suction opening 20a at the bottom and a cylindrical hose connection port 20b at the top, and a rubber columnar fixed at the four bottom corners of the case 20. It has an elastic leg 21. The elastic leg 21 is provided on the floor 10 a of the
Support it in a floating state. The lower end of the air guide hose 19 is detachably connected to the hose connection port 20b.

The air blower 17 has an electric blower 22 disposed in a case 20. This electric blower 22
Are a centrifugal fan 23 having a suction port (not shown) facing the air suction opening 20a, and a motor 2 for driving the centrifugal fan 23.
4 The centrifugal fan 23 and the motor 24 are supported on the bottom and the top of the case 20 by support rubbers 25 and 26, respectively. In addition, by operating the motor 24 to drive the centrifugal fan 23, the centrifugal fan 23
Is designed to suck air through the air suction opening 20a and discharge it to the motor 24 side. Although not shown, an air filter is removably attached to the air suction opening 20a.

The air tank 18 has a housing-shaped air blowing nozzle 27 having a large number of nozzle holes 27a (see FIG. 3B) formed throughout the bottom as air blowing outlets and having an open top.
And a cover plate 28 for closing an upper opening of the air blowing nozzle 27.
And a screw 29 and a nut 29a for detachably fixing the cover plate 28 to the air blowing nozzle 27. This lid plate 28
Is provided with a tubular hose connection port 28a, and a narrow mounting plate portion 28b is integrally formed. The mounting plate portion 28b is in contact with the upper side of the water tap 14 and is detachably fixed (attached) to the water tap 14 by fixing means (attachment means) 30.
The fixing means 30 includes a narrow fixing plate 31 extending in parallel along the mounting plate portion 28b and abutting on the lower part of the water tap 14, and the fixing plate 31 is detachably fixed to the mounting plate portion 28b. Screw 32 and nut 33.

Since the air outlet nozzle 27 is attached to the water tap 14 in this manner, a large installation space is not required at the installation location of the air outlet nozzle, and the hand washed with the water tap 14 of the wash basin 11 is used. Can be dried with almost no movement. Moreover, since the air blowing nozzle 27 is arranged on the wash basin 11 so that air can be blown out toward the water receiving portion 11a of the wash basin 11,
When the hand h of the user U washed with the water tap 14 of the wash basin 11 is moved to below the air blowing nozzle 27, water from the surface of the hand h can be prevented from falling on the floor or the like. In addition, since the air outlet nozzle 27 is detachably attached to the water tap 14 by the fixing means 30, the hand dryer 16 can be installed without processing the washroom 10 and the washstand 11, and the existing dryer can be installed. Can be easily applied to the toilet.

The hand dryer 16 is provided with the air blowing nozzle 2.
7, a sensor 34 for detecting a hand (object to be detected) h of the user U exposed to a plurality of nozzle holes (air outlets) 27a and outputting a hand detection signal, and receiving a hand detection signal from the sensor 34. A control circuit (control means) 35 for operating the motor 24 of the air blower 17
And a foot switch 36 as an operation stop switch for stopping the operation of the shutter 4 (see FIGS. 1 and 4). And
When the wash basin is wiped and cleaned, the motor 24 of the hand dryer 16 can be prevented from operating by stepping on the foot switch 36. As a result, even when the water is discharged from the tap faucet 14 and the water receiving portion 11a is washed, the hand dryer 16 operates to prevent water from being scattered by the air blown out from the air blowing nozzle 27. You. As the operation stop switch, a manually operated switch other than the foot switch 36 can be used.

The wiring for electrical connection between the sensor 34 and the control circuit 35 may be provided in the air guide hose 19, may be embedded in the air guide hose 19, or may be provided in the air guide hose 19. May be fixed along the outer surface. Also,
Connection terminals (not shown) for wiring for electrical connection between the sensor 34 and the control circuit 35 are provided at both ends of the air guide hose 19, respectively.
0b is provided with a connection terminal (not shown) for the control circuit 35, a connection terminal (not shown) for the sensor 34 is provided at the hose connection port 28a of the cover plate 28, and the air guide hose 19 is connected to the hose connection port 20b. , 28a and the sensor 34
And a connection terminal (not shown) of wiring for electrical connection between the control circuit 35 and the control circuit 35 may be automatically connected. The sensor 34 includes a light emitting unit (not shown) that emits infrared light, and an air blowing nozzle 27 projected from the light emitting unit and emitting light.
A device having a light receiving unit (not shown) for receiving infrared rays reflected on a hand (object to be detected) h close to is used. The sensor 34 is attached to the center of the bottom of the air blowing nozzle 27 as shown in FIG. 3B, and the control circuit 35 is attached to the front of the case 20.

Next, the operation of such a configuration will be described.

As described above, the air blowing nozzles 27 are attached to the water tap 14 and are juxtaposed adjacent to the water tap 14. Therefore, the user operates the knob 15 to open a faucet valve (not shown) (not shown) and
After the user U has washed the hands h with the water, the user 15 operates the knob 15 to close the faucet valve, stops the water flowing out of the tap faucet 14, and puts the hands h on the water receiving portion 11a. And move the hand slightly to the side.
It can be located below. At this time, the water that falls from the surface of the hand h falls on the water receiving portion 11a and does not fall on the floor or the like.

Then, the wet hand h is moved to the air blowing nozzle 27.
, The sensor 34 detects the hand h, outputs a hand detection signal, and inputs the signal to the control circuit 35. When the control circuit 35 receives the hand detection signal, the control circuit 35 operates the motor 24 of the blower 17 so that the centrifugal fan 23
Drive. Thus, the centrifugal fan 23 sucks air from the air suction opening 20a and discharges the air to the motor 24 side. The discharged air is guided into the air tank 18 via the air guide hose 19, and is then blown downward at high speed from a number of nozzle holes 27a of the air blowing nozzle 27, and adheres to the surface of the hand h. The water drop that is
It will be blown off to the a side. At this time, a part of the moisture attached to the hand h is vaporized by the blown air,
The surface of the hand h can be dried.

When the user U steps on the foot switch 36 and inputs an operation signal of the foot switch 36 to the control circuit 35, the control circuit 35 stops the operation of the motor 24 of the hand dryer 16. State. Therefore, even when the water is discharged from the tap faucet 14 and the water receiving portion 11a is washed with a cleaning tool (not shown), the air is blown out from the air blowing nozzle 27 of the hand dryer 16 when the user U steps on the foot switch 36. No water is splashed. (2) Other Embodiments In the configuration of the first embodiment, as shown in FIG. 5, the water droplet scattering prevention wall 37 is located at a portion corresponding to the side edge of the wash basin 11, and the air blowing nozzle 27 is It is good also as a structure provided integrally with the side edge. In this case, when the water adhering to the surface of the hand is dried by the air blown out from the air blowing nozzle 27, the water blown off from the surface of the hand h scatters to the side of the wash basin 11 and the floor or the like. Can be prevented from falling.

FIG. 6 shows an example in which the structure of the first embodiment is applied to a configuration in which the wash basin 11 is formed in a table shape and the above-mentioned water receiving portion 11a is formed in a part of the wash basin 11. The operation is the same as in the first embodiment. The air blower 17 is mounted on the floor of the washroom 10 as in the first embodiment.

FIGS. 7 to 9 show an example in which the air blower 17 is mounted on a wall in the embodiment of FIG. In the present embodiment, the side wall 10b facing the sink 11 is
The fixing hook (locking means) 38 is fixed as described above, and the mounting plate 39 is fixed to the case 20 of the air blower 17.
An example in which a locking hole (locked means) 40 is provided in the upper portion of the mounting plate 39 and the locking hole 40 is locked to the locking hook 38, thereby locking the air blower 17 to the side wall 10b. It is shown. The mounting plate 39 is composed of a metal plate 39a and a rubber layer attached to the wall surface of the metal plate 39a and the locking hole 40. And the rubber layer 41
Has both anti-vibration and anti-slip properties. The operation of the hand dryer 16 of the present embodiment is the same as that of the first embodiment. Further, a wiring 36 from the control circuit 35 to the foot switch 36
a may be arranged and fixed along the side wall 10b.

In this embodiment, the air blower 17 can be easily installed even when there is no space for installing the air blower 17 on the floor or the like. Moreover, since the air blower 17 is hung on the side wall 10b above the wash basin 11, the lower part of the air blower 17 can also be used.

FIG. 10 shows a state in which the air tank 28 is connected to the water tap 14.
This is an example in which the bolts 42 are fixed to the wash basin 11 without being attached, and the operation is the same as that of the first embodiment.

FIG. 11 shows an example in which the air tank 28 according to the first embodiment is slightly shifted laterally from a position above the wash basin 11. In this embodiment, the hand h
Only slightly laterally from above the water receiving portion 11a,
The hand h can be positioned below the air blowing nozzle 27. During this movement, most of the water that falls from the surface of the hand h falls on the water receiving portion 11a, and therefore hardly falls on the floor or the like. Further, when the hand h is moved below the air blowing nozzle 27, even if water falls on the floor, the floor does not get wet over a wide area.

[0034]

As described above, according to the first aspect of the present invention, there is provided a hand dryer including an air blower for blowing hand drying air, and an air blowing nozzle for blowing hand drying air from the air blower. In the above, the air blowing nozzle is provided separately from the air blower, and is attached to a washstand or a faucet of the washstand. It requires no space and can be dried with almost no movement of the hands washed with the tap on the sink.

According to a second aspect of the present invention, the air blowing nozzle is arranged on the wash basin so that air can be blown toward the water receiving portion of the wash basin. When the hand washed with the water tap is moved below the air blowing nozzle, water from the surface of the hand can be prevented from falling on the floor or the like.

Further, the invention according to claim 3 is a sensor for detecting a hand facing the air outlet of the air blowing nozzle and outputting a hand detection signal, and receiving the hand detection signal from the sensor to detect the air. With the configuration including the control circuit for operating the blower and the operation stop switch for stopping the operation of the air blower by the control circuit, it is possible to prevent the hand dryer from operating when wiping the washstand. . As a result, even when the water is discharged from the water tap and the water receiver is washed, the hand dryer operates to prevent water from being scattered by the air blown out from the air blowing nozzle.

According to a fourth aspect of the present invention, when the wet hands are dried by the air blown out from the air blowing nozzle, the water droplets scattered from the hands by the air are scattered to the side of the water receiving portion. When the water adhering to the surface of the hand is dried with the air blown out from the air blowing nozzle, the water droplet scattering prevention wall is provided on the air blowing nozzle to prevent It is possible to prevent water from splashing to the side of the wash basin and falling to the floor or the like.

According to the fifth aspect of the present invention, since the air blower is mounted on a wall, the air blower can be installed on a wall even when there is no space for installing the air blower on a floor or the like.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing a first embodiment of a hand dryer according to the present invention.

FIG. 2 is a perspective view of a main part of the hand dryer shown in FIG.

3A is a front view of a part of the hand dryer shown in FIG. 1 cut away, and FIG. 3B is a partially enlarged view of the air blowing nozzle of FIG.

FIG. 4 is a control circuit diagram of the hand dryer of FIGS.

FIG. 5 is a perspective view of a main part showing another example of the hand dryer of the present invention.

FIG. 6 is a schematic plan view showing another example of use of the hand dryer of the invention of FIG. 1;

FIG. 7 is a schematic plan view showing another example of the arrangement of the air blower of the invention shown in FIG. 6;

FIG. 8 is a front view of a main part of FIG. 7;

FIG. 9 is a sectional view of a locking portion of the air blower of FIGS. 7 and 8;

FIG. 10 is a schematic plan view showing another example of mounting the air tank of FIG. 6;

FIG. 11 is a partially cutaway front view showing another example of the arrangement of the air tank of the present invention.

FIG. 12 is a schematic plan view showing an arrangement example of a conventional hand dryer.

FIG. 13 is a side view of the hand dryer of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Wash stand 11a ... Water receiving part 14 ... Water tap 16 ... Hand dryer 17 ... Air blower 27 ... Air blowing nozzle 34 ... Sensor 35 ... Control Circuit 36: Foot switch (operation stop switch) 37: Water droplet scattering prevention wall 38: Locking hook (locking means) 40: Locking hole (locked means) U: Used Person h ・ ・ ・ hand

Claims (5)

[Claims] 1. A hand dryer comprising: an air blower for blowing hand drying air; and an air blowing nozzle for blowing hand drying air from the air blowing device, wherein the air blowing nozzle is provided with the air blowing device. Is provided separately and is attached to a sink or a faucet of the sink. 2. The hand dryer according to claim 1, wherein the air blowing nozzle is disposed on the wash basin so as to blow air toward a water receiving portion of the wash basin. 3. A sensor for detecting a hand facing an air outlet of the air blowing nozzle and outputting a hand detection signal.
3. The control device according to claim 2, further comprising: a control circuit that receives the hand detection signal from the sensor to operate the air blower, and an operation stop switch that stops the operation of the air blower by the control circuit. 4. Hand dryer. 4. A water droplet scattering prevention wall for preventing a water droplet scattered from a hand by the air from splashing to a side of the water receiving portion when drying a wet hand by air blown from the air blowing nozzle. The hand dryer according to claim 2 or 3, wherein a hand is provided on the air blowing nozzle. 5. The hand dryer according to claim 1, wherein the air blower is a wall-mounted type.