JP2009028233A - Hand dryer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hand dryer having a movable nozzle part for blowing a high-speed airflow, and capable of adjusting the position of a drying part and a projecting distance. <P>SOLUTION: This hand dryer is provided with: a high-pressure airflow generator 4 for sucking outside air, and generating and blowing the high-pressure airflow, in a body 2; an air duct 8 for guiding the high-pressure airflow generated by the high-pressure airflow generator 4; and the movable nozzle part 10 having rigidity, having a nozzle 9 converting the high-pressure airflow into the high-speed airflow, at the tip and substantially horizontally projecting into an arm shape from the upper part of the body 2; and is constituted to dry the hands by the high-speed airflow blowing from the nozzle 9 in the drying space under the nozzle part 10. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a hand drying device that blows away moisture adhering to a hand with a high-speed air flow to dry the hand.

  Some hand-drying apparatuses that blow high-speed airflow onto the hand and blow off moisture attached to the hand have a nozzle portion protruding from the front side and a lower space of the nozzle portion functioning as a processing space. In this type, the water blown from the hand is dropped into the washbasin washbasin or sink of the sink and drained through the existing drainage pipe, etc. It is a simple configuration. In addition, there is also a type in which a high-speed air flow blowing position can be freely adjusted by connecting a blower outlet for blowing a high-speed air flow and an apparatus main body with a flexible hose. In addition, there exist some which were disclosed by patent document 1, 2 as this kind of prior art.

JP 2001-258786 A JP 2001-183061 A

  In this type of conventional hand-drying apparatus, the lower space of the protruding nozzle portion functions as a processing space, and the processing space is above the wash-basin hand-washing container of the wash-stand or the sink of the sink. In this portion, there are existing water supply equipment, cleaning liquid supply equipment, and the like. Furthermore, if the nozzle part of a relatively wide hand drying device for drying the hand protrudes greatly, the occupied area becomes large and complicated. In the configuration where the blower outlet and the device body are connected by a flexible and shape-retaining hose and the blowout position is freely adjusted, the shape of the nozzle is changed by the reaction of the blown airflow, although it is shape-retaining. It is easy, and when the shape-retaining property is lowered due to aging deterioration or the like, the nozzle moves freely and must be held by hand and cannot be used as it is as a hand dryer.

  The present invention has been made in order to solve the above-described conventional problems. The purpose of the present invention is to move the nozzle portion for blowing a high-speed air flow with rigidity, so that the position of the portion to be processed and It is to obtain a hand-drying device capable of adjusting the amount of protrusion, and to promote the improvement of the usability and the appearance of the device.

  In order to achieve the above object, the present invention provides a high-pressure air flow generator that sucks external air and generates and blows out high-pressure air flow in the main body, and wind that guides the high-pressure air flow generated by the high-pressure air flow generator. A rigid and movable nozzle part equipped with a nozzle and a tip for converting a high-pressure air flow into a high-speed air flow is projected from the upper part of the main body almost horizontally from the top of the main body, and from the nozzle in the processing space under the nozzle part A means is adopted that is configured to dry the hand with a high-speed air flow that is blown out.

  According to the present invention, the nozzle portion provided with the nozzle for converting the high-pressure air flow into the high-speed air flow at the tip portion protrudes substantially horizontally from the upper portion of the main body in an arm shape, and is movable so that the portion to be dried is processed. It is possible to adjust the position and the amount of protrusion of the washstand to the washbasin or the sink of the sink. When not in use, the nozzle portion can be moved to form a small occupied area above the sink for the hand-washing container or sink, so that there is no complication. And since it is not necessary to support a nozzle part by hand also by aged deterioration etc. in a drying process, the hand-drying apparatus which is easy to use is obtained.

  The hand-drying apparatus of the present invention is installed on the side of a wash-basin hand-washing container of a washstand or a sink. On the bottom side of the body, a high-pressure airflow generator that sucks external air and generates and blows out high-pressure airflow is provided. On the upper front of the main body, there is an arm-shaped movable nozzle part with an air passage that guides the high-pressure air flow generated by the high-pressure air flow generator and a nozzle that converts the high-pressure air flow into a high-speed air flow downward at the tip Or it protrudes almost horizontally in the shape of a faucet. The nozzle part is composed of a base side made of a rigid material and a tip side provided with a nozzle. The base side is configured in an L-shaped tube, and is connected to an air supply section provided in the high-pressure airflow generator so as to be able to turn (turn) in a horizontal plane. The front side is a rectangular straight tube, and is connected to the end of the base extending in the horizontal direction so that it can expand and contract in the horizontal direction. The cover that covers the main body is formed with a slit-like window extending in the horizontal direction to extend the front side of the nozzle portion, and the swivel range of the nozzle portion is restricted to about 120 degrees by the window. As for the turning and expansion / contraction of the nozzle part, an appropriate resistance is given by a packing or the like that keeps the airtightness of the connection part, and the nozzle part does not turn or expand / contract in the dark. The high-speed airflow blown downward from the nozzle of the nozzle portion has kinetic energy sufficient to blow off moisture adhering to the hand.

  This hand-drying device is installed such that the nozzle portion protrudes above the wash-basin hand-washing container or sink on the wash-basin hand-washing container of the wash-stand or sink, or on the wall surface such as the side of the sink or on the wash-stand or sink. When not in use, the nozzle portion can be contracted and rotated so that the area occupied by the nozzle is small and hardly protrudes, so that the area around the handwashing container is not complicated. When drying the hand, the nozzle part is extended to an easy-to-use position and rotated to hold the wet hand under the nozzle so that the wetted part of the nozzle is uniformly applied. Moisture adhering to the hand is blown off by a high-speed air flow into the wash-basin hand-washing container and drained from an existing drain pipe or the like. The nozzle part, which has a nozzle that converts high-pressure airflow into high-speed airflow at the tip, protrudes almost horizontally from the top of the main body in an arm shape and is movable, so the position of the part to be dried and the washstand This makes it possible to adjust the amount of protrusion of the hand wash container or sink into the sink. And since it is not necessary to support the nozzle part with rigidity by hand in the drying process, it is easy to use.

Embodiment 1 FIG.
FIG. 1 is a side view showing the hand dryer of the present embodiment in the installed state, FIG. 2 is a longitudinal side view showing the hand dryer in the installed state, and FIG. 3 is a plan view of the hand dryer shown in the installed state. FIG. 4 is a side view showing another form of the hand dryer in an installed state.

  As shown in FIG. 1, the hand-drying apparatus of the present embodiment is installed on the side of a wash-basin or wash-basin 1 of a sink, and the main body 2 is wrapped with a cover 3. On the bottom side in the main body 2, a high-pressure airflow generator 4 that sucks air outside the apparatus and generates and blows out a high-pressure airflow is provided. The high-pressure air flow generator 4 has a motor 5 and a turbo fan 6 that is rotated by the motor 5, and the generated high-pressure air flow is blown out in a radial direction from a peripheral side air outlet of the motor 5, so Guided to section 7 (see FIG. 2). An upper front surface of the main body 2 is provided with an air passage 8 that guides the high-pressure air flow generated by the high-pressure air flow generator 4 and a nozzle 9 that converts the high-pressure air flow into a high-speed air flow at the tip thereof downward. The nozzle portion 10 protrudes substantially horizontally in an arm shape or a faucet shape.

  The nozzle part 10 comprises a base side 11 made of a rigid material and a tip side 12 having a nozzle 9. The base side 11 is formed in an L-shaped tube, and is connected to an upward air supply unit 7 connected to a high-pressure airflow generator with a packing 13 holding airtight so as to be able to turn (turn) in a horizontal plane. Yes. The front side 12 has a rectangular straight tube shape, and is connected to an end portion of the base side 11 extending in the horizontal direction with a packing 13 holding airtight so as to expand and contract in the horizontal direction. Thereby, the nozzle part 10 can turn in a horizontal plane, and also can be expanded-contracted in a horizontal direction (refer FIG. 2, FIG. 3). A hand detection sensor 14 for detecting a hand is provided below the tip of the nozzle unit 10, and the hand dryer automatically operates based on the output of the hand detection sensor 14. By providing the hand detection sensor 14 at the tip of the movable nozzle unit 10, it is possible to accurately detect the hand even if the nozzle unit 10 moves.

  The movable part (rotating part and expansion / contraction part) of the nozzle part 10 is covered with a cover 3 that constitutes the top part of the cover 3 that covers the main body 2. The cover 3 is formed with a slit-like window 15 extending in the horizontal direction to draw the front side of the nozzle portion 10, and the swivel range of the nozzle portion 10 is restricted to about 120 degrees by the window 15. The swivel and expansion / contraction of the nozzle unit 10 is given moderate resistance by the packing 13 or the like that keeps the airtightness of the connection part, and does not rotate or expand / contract in the dark. The high-speed air flow blown downward from the nozzle 9 of the nozzle unit 10 has kinetic energy sufficient to blow off moisture adhering to the hand.

  This hand-drying apparatus is installed so that the nozzle part 10 protrudes on the wash-basin hand-washing container 1 or the sink on the wash-basin hand-washing container 1 of the wash-stand or sink, or on the wall surface such as the side of the sink or on the wash-stand or sink. When not in use, the nozzle part 10 can be contracted as shown in FIG. 2 and rotated as shown in FIG. do not become. When drying the hand, the hand detection sensor 14 detects the hand when the nozzle unit 10 is extended to a position where it is easy to use, is rotated and the wet hand is held under the nozzle 9, and the output of the hand detection sensor 14 is output. By hand, the hand dryer automatically operates. The wet part of the hand is uniformly applied to the high-speed air flow blown from the nozzle 9. Moisture adhering to the hand is blown off by the high-speed air flow into the wash-basin hand-washing container 1 and drained from the existing drain pipe 16 or the like. A nozzle portion 10 provided with a nozzle 9 for converting a high-pressure air flow into a high-speed air flow at the tip portion protrudes substantially horizontally from the upper portion of the main body 2 in an arm shape and is movable. Thus, it is possible to adjust the amount of protrusion of the sink on the sink hand-washing container 1 or sink on the sink. In the drying process, the nozzle portion 10 is rigid and is easy to use because it is not necessary to support the nozzle portion 10 by hand due to deterioration over time.

  The functions described above can be performed correspondingly even with a hand dryer provided only with a configuration capable of rotating the nozzle portion 10 or with a hand dryer provided only with a configuration capable of expanding and contracting. In the hand dryer provided only with the configuration that can be expanded and contracted as shown in FIG. 4, the cover 3 does not need the slit-like window 15, and the movable part of the nozzle unit 10 can be made invisible by the cover 3. As a result, not only the appearance is improved, but it is not easily understood that the nozzle unit 10 moves, so that it is possible to prevent the nozzle unit 10 from being moved to an inadvertent position due to mischief or the like.

It is a side view which shows a hand dryer in an installation state. (Embodiment 1) It is a vertical side view which shows a hand dryer in an installation state. (Embodiment 1) It is a top view of the hand dryer shown in an installation state. (Embodiment 1) It is a side view which shows the hand-drying apparatus of another form in an installation state. (Embodiment 1)

Explanation of symbols

  2 body, 3 cover, 4 high-pressure air flow generator, 8 air passage, 9 nozzle, 10 nozzle part, 14 hand detection sensor.

Claims (6)

  A high-pressure airflow generator that sucks external air and generates and blows out high-pressure airflow is installed in the main body. The air passage that guides the high-pressure airflow generated by the high-pressure airflow generator and the high-pressure airflow at high speed A rigid movable nozzle part having a nozzle to be converted into a tip is protruded substantially horizontally from the upper part of the main body in an arm shape, and a hand is moved by a high-speed air flow blown from the nozzle in a processing space below the nozzle part. A hand-drying device configured to dry.   The hand dryer according to claim 1, wherein the movable part of the nozzle portion is covered with a cover.   The hand dryer according to claim 1 or 2, wherein the nozzle portion extends and contracts in a substantially horizontal direction.   The hand drying device according to claim 1, wherein the nozzle portion rotates in a substantially horizontal plane.   The hand dryer according to claim 1, wherein the nozzle portion extends and contracts in a substantially horizontal direction and also rotates in a substantially horizontal plane.   The hand drying apparatus according to any one of claims 1 to 5, wherein a hand detection sensor for detecting a hand is provided in the nozzle portion, and automatic operation is performed by an output of the hand detection sensor. apparatus.

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