JP2005278979A - Hand drying apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hand drying apparatus for preventing hands from contacting a blow-off nozzle even if a sufficient space is not secured at the time of inserting of the hands so as to prevent uncleanliness caused by the hands contacting the blow-off nozzle or a hand drying chamber. <P>SOLUTION: In the hand drying apparatus, water deposited to hand surface is removed by jet spurted from the blow-off nozzle 11 when the hands are inserted. In the blow-off nozzle 11, reaction is caused by propulsion of the jet so as to move the nozzle opposite to the hands. When the hands approach the blow-off nozzle 11, the force works to move the blow-off nozzle 11 away from the hands. Thereby, the blow-off nozzle 11 does not contact the hands. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a hand drying device installed in a hand drying device for washing hands in a washroom or a toilet and drying wet hands.

  Conventionally, as a device for drying wet hands after washing, for example, a high-speed air stream is sprayed to the palm and back side in the minimum processing space where hands can be taken in and out, and moisture attached to the hand by the kinetic energy of the high-speed air stream is removed. There is a configuration in which the hand is blown into the processing space to dry the hand (see Patent Document 1 or Patent Document 2).

  In addition, there is one in which the processing space is narrowed in the initial use state and becomes wider after a lapse of a certain time (see Patent Document 3).

In addition, a high-speed air flow whose temperature has been raised by the heater is blown into a wide processing space where hands can be taken in and out, and moisture attached to the hand is blown into the processing space by the kinetic energy of the high-speed air flow. Some have a structure in which the hands are dried by the evaporation effect caused by the action of engraving (see Patent Document 4).
JP 63-154138 A JP-A-5-293055 JP-A-5-49553 JP-A-10-71101

  In such a conventional hand drying device, there is a problem that if there is no minimum processing space at the time of hand insertion, the hand may touch the blowout nozzle and the processing space, and there is a risk of impairing the cleanliness, contrary to this, Because the kinetic energy of the high-speed air flow spouted to the palm and back side of the palm by hand in and out blows the moisture adhering to the hand into the treatment space and dries the hand, high speed unless the treatment space is made as narrow as possible Since the kinetic energy of the air flow is attenuated, there is a problem that the drying time cannot be shortened.

  Although this method can quickly remove large amounts of moisture, there is a problem that moisture may still remain between the surface of the hand and between fingers, and there is a method that can hold hands, Since it is necessary to widen the space, there is a problem that the kinetic energy of the high-speed air flow is reduced before hitting and the ability to blow off initial moisture is lowered.

  When the processing space is narrowed in the initial use state and widened after a lapse of a certain time, the structure becomes complicated, and a method for solving the problem with a simple structure is required.

  The present invention solves such a conventional problem, and even if a sufficient interval is not maintained at the time of hand insertion, the nozzle and the nozzle are close to each other by having a nozzle that does not contact the nozzle. It is an object of the present invention to provide a hand-drying device that can reduce the drying time because it can be kept at a low temperature, and that can maintain a clean feeling because it does not touch the hand.

  The hand dryer according to the present invention is characterized in that the jet flow generating portion moves in the direction opposite to the jet flow direction in order to achieve the above target. And according to this invention, even if it does not maintain sufficient space | interval at the time of hand insertion, the hand drying apparatus which can prevent a nozzle blower outlet and a hand from contacting is obtained. In addition, the jet flow generation unit is configured to move by the kinetic energy generated by the jet about the rotation axis. Further, the jet flow generating section is configured to rotate and move up and down.

  According to the present invention, the jet flow generating section moves in the direction opposite to the jet flow direction, so that the distance between the hand and the blowing nozzle can be reduced even when the air flow rate and the wind speed of the jet flow generating section are equal to those of the conventional hand dryer. Because it can be shortened, the kinetic energy of the high-speed air flow can be reduced, the moisture removal performance can be improved, the drying time is shortened, and the nozzle does not hit the hand, so there is no sufficient drying chamber size. In addition, since a clean feeling is maintained, it is possible to provide a hand-drying device that can reduce discomfort when used after being used by a plurality of users.

  The jet generating part moves in the direction opposite to the jet direction, and when the hand is inserted, the water attached to the surface of the hand is removed by the jet flowing from the nozzle. Reactions that move in the opposite direction occur. By utilizing this reaction force, even if the hand is brought close to the nozzle, the force that the nozzle tries to move away from the hand works and the nozzle does not contact the hand.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, a main body 1 fixed to a wall surface has a main unit 2 that generates high-pressure air, and a drying chamber 3 as a processing space for drying hands on the upper portion thereof. The high pressure seal unit 4 and the high pressure seal unit 4 are internally provided with a blower 5, communicated with the high pressure seal unit 4, and the palm side as a jet generating part disposed in the central portion of the drying chamber 3. The blowout nozzle 6 and the instep blowout nozzle 7 are converted into high-speed wind as a working airflow.

  Further, a control means 8 is provided in the main unit 2, and a detection means 9 for detecting a hand put in the drying chamber 3 is provided in the vicinity of the palm side blowing nozzle 6 or the back side blowing nozzle 7. The control means 8 controls the driving of the blower 5 in response to a detection signal from the detection means 9.

  In the above configuration, the drying chamber 3 has a minimum opening for inserting a hand into the upper surface portion of the main body. When the hand is inserted into the drying chamber 3, the detection means 9 detects the hand, the detection output is turned on, the air blower 5 is operated via the control means 8, and the palm side blowout nozzle 6 and the The high-speed wind sent from the upper side blowing nozzle 7 hits the surface of the hand and dries while adhering water droplets. The separated water droplets adhere to the side wall surface in the drying chamber 3 and reach the bottom of the drying chamber 3. It can flow naturally. At the same time, the palm-side blowing nozzle and the instep-side blowing nozzle 7 are connected to the main body by an elastic body 10 such as a spring or rubber, and therefore do not contact the hand by moving due to the reaction force of the jet that collides with the hand. It has a configuration.

  The blower 5 is an electric blower that is generally used for a vacuum cleaner and the like, and includes a brushed motor and a brushless motor, and uses a turbofan to cool a temperature rise due to high-speed rotation of the motor. While sending.

(Embodiment 2)
As shown in FIG. 2, the main body 1 fixed to the wall surface has a main unit 2 that generates high-pressure air, and a drying chamber 3 as a processing space for drying hands on the top thereof. The high-pressure seal unit 4 and the high-pressure seal unit 4 have an air blower 5 provided therein, communicated with the high-pressure seal unit 4, and a blowout nozzle as a jet generating part disposed in the central portion of the drying chamber 3. 11 is converted into a high-speed wind as a working airflow.

  Further, a control means 8 is provided in the main unit 2, and a detection means 9 for detecting a hand put in the drying chamber 3 is provided in the vicinity of the blowing nozzle 11, and the control means 8 is provided with the detection means. The air blower 5 is driven and controlled in response to the detection signal 9.

  In the above configuration, the drying chamber 3 has a minimum opening for inserting a hand into the front portion of the main body. When the hand is inserted into the drying chamber 3, the detection means 9 detects the hand, the detection output is turned on, the blower device 5 is operated via the control means 8, and is sent from the blowout nozzle 11. The high-speed wind hits the surface of the hand and dries while adhering water droplets, and the separated water droplets adhere to the side wall surface in the drying chamber 3 and can flow naturally to the bottom of the drying chamber 3. At the same time, the blowing nozzle 11 is connected to the main body by an elastic body 10 such as a spring or rubber, so that it moves by the reaction force of the jet that collides with the hand and does not come into contact with the hand.

  The blower 5 is an electric blower that is generally used for a vacuum cleaner and the like, and includes a brushed motor and a brushless motor, and uses a turbofan to cool a temperature rise due to high-speed rotation of the motor. While sending.

(Embodiment 3)
As shown in FIG. 3, the configuration is the same as that of the second embodiment, and the rotating nozzle 12 is provided at one location of the blowing nozzle 11 so that the blowing nozzle 11 can rotate around the rotating shaft 12. ing. Since the blowing nozzle 11 is connected to the main body by an elastic body 10 such as a spring or rubber, the blowing nozzle 11 is configured not to come into contact with the hand by moving by the reaction force of the jet that collides with the hand. With this configuration, the reaction force of the jet can be used more effectively.

(Embodiment 4)
As shown in FIGS. 4 and 5, they are arranged in parallel to the direction in which the blowing nozzle 11 is manually inserted. Since the blowing nozzle 11 is connected to the main body by an elastic body 10 such as a spring or rubber, the blowing nozzle 11 is configured not to come into contact with the hand by moving by the reaction force of the jet that collides with the hand. With such a configuration, the water droplets separated from the hand are not sprayed on the user, and the cleanliness can be maintained.

(Embodiment 5)
As shown in FIG. 6, the configuration is the same as that of the second embodiment, the blowing nozzle 11 is installed so as to rotate, and the rotation is moved using the motor 13. With such a configuration, it is possible to separate the water droplets from the hand by inserting the hand once, so that it is possible to eliminate the troublesomeness of the user.

(Embodiment 6)
As shown in FIG. 7, the structure is the same as that of the first embodiment, and the palm-side blowing nozzle 6 and the instep-side blowing nozzle 7 are installed so as to rotate or rotate up and down. The vertical movement is configured to be moved using the motor 13. With such a configuration, it is possible to separate the water droplets from the hand by inserting the hand once, so that it is possible to eliminate the troublesomeness of the user. It also has the effect of shortening the drying time.

  The hand dryer according to the present invention can achieve the same initial moisture removal performance even when the air flow rate and speed of the jet generating part are equal, and can eliminate the sensation of moisture remaining in the hand after using the dryer. Since the nozzle does not come into contact with the hand, it has the effect of reducing the user's discomfort, and is effective as a device for washing hands in a bathroom or toilet and drying wet hands.

Side surface sectional drawing which shows the structure of Example 1 of this invention Side surface sectional view showing Example 2 Side surface sectional view showing Example 3 Top view showing Example 4 Front view Side surface sectional view showing Example 5 Side surface sectional view showing Example 6

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Main unit 3 Drying chamber 4 High pressure seal unit 5 Air blower 6 Palm side blowing nozzle 7 Back side blowing nozzle 8 Control means 9 Detection means 10 Elastic body 11 Blowing nozzle 12 Rotating shaft 13 Motor

Claims (11)

It has a processing space that opens to the outside, and the working air current generated by the jet generating part is blown against the hand inserted into the processing space inside the processing space, and the kinetic energy of the working air current A hand-drying device configured to wipe away moisture adhering to a hand, wherein the jet generation unit moves without contacting the hand when the hand is inserted. The hand dryer according to claim 1, wherein the jet generating part moves in the direction opposite to the jet direction. The hand dryer according to claim 1, wherein the jet generating part is configured to move by the kinetic energy generated by the jet about the rotation axis. The hand dryer according to claim 1, wherein when the user performs a manual insertion operation, the operation of the hand dryer is started, and the jet generator is moved by the kinetic energy of the jet around the rotation axis. The hand dryer according to claim 1, wherein the jet generating part is arranged perpendicular to the hand insertion direction, and the jet generating part moves by the kinetic energy of the jet about the rotation axis. The hand dryer according to claim 1, wherein the jet generating part is arranged in parallel to the hand insertion direction, and the jet generating part moves by the kinetic energy of the jet about the rotation axis. The hand dryer according to claim 1, wherein the jet flow generating unit is arranged perpendicular to the hand insertion direction, and the jet flow generating unit is configured to rotate about the rotation axis. The hand dryer according to claim 1, wherein a jet flow generating portion is disposed in a direction in which a hand is inserted and between both hands, and the jet flow generating portion is configured to rotate around a rotation axis. The hand drying device according to claim 1, wherein a jet flow generating portion is disposed between both hands in the direction in which the hand is inserted, and the jet flow generating portion rotates and moves up and down around a rotation axis. The hand drying device according to claim 1, wherein a plurality of jet generating portions are arranged in a direction in which a hand is inserted and between both hands, and each of the jet generating portions rotationally moves in an opposite direction around a rotation axis. The hand according to claim 1, wherein a plurality of jet generating portions are arranged in a direction in which the hand is inserted and between both hands, and each jet generating portion rotates and moves up and down in the opposite direction around the rotation axis. Drying equipment.

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