JP2007209459A - Hand and finger dyer for washstand - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent water drops from dripping from the hands when moving the hands washed in a washstand to a dryer so as not to soil the floor, to dry the hands and fingers in a sink as if the hands are washed by tap water and to perform washing and drying of the hands and fingers almost seamlessly, to perform safe and effective heating by storing an electric heater in an air blowout nozzle for blowing warm air, and to provide air blowout nozzle constitution easy to assemble when the electric heater is stored in the air blowout nozzle. <P>SOLUTION: A hand and finger dryer 5 for washstand has an electric blower 6 installed in a space under the washstand. The air blowout nozzle 8 is arranged beside a faucet so that air is blown toward the sink parallel with the tap water. The electric heater for heating blown-out air is stored in a hollow air passage which is divided into the upper part and the lower part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a finger drying device that dries hands by blowing air sent from an electric blower through an air duct from an air blowing nozzle, and in particular, an air blowing nozzle is disposed next to a tap water tap on a wash basin, The present invention relates to a finger drying apparatus configured to dry fingers with blown air in a sink of a table.

  As a finger drying device, a blower in the main body, a blowout port provided on the discharge side of the blower, a drying chamber provided in the blowout direction of the blowout port, and an opening for putting a hand into the drying chamber In some cases, a hand detection unit including an infrared light emitting element and an infrared light receiving element provided on the wall surface of the drying chamber is provided. (For example, refer to Patent Document 1).

Such finger drying devices are all provided in the main body, including the outlet and the air blower, and are generally installed in a place unrelated to the sink of the wash basin. For this reason, while moving the hand washed in the wash basin to the place of the drying device, there is a great risk that the hand dripping will drip onto the floor of the wash basin or other places and make the place dirty.
Japanese Patent Laid-Open No. 11-318760

  In view of the above, the present invention provides a hand drying device that allows a hand washed with a washstand to be dried as it is in a sink of the washbasin. In particular, it is assumed that the fingers can be dried with the sensation of washing hands with water discharged from a tap for facilitating tap water so that the fingers can be washed and dried with almost no sense of incongruity. In addition, the hot air heated by the electric heater is blown out from the air outlet, so that the hot air can be effectively dried, and the electric heater is housed in the air outlet nozzle so that the heat can be generated safely and effectively. To do. In addition, an air blowing nozzle configuration is considered in consideration of ease of assembly when the electric heater is housed in the air blowing nozzle.

  The hand drying device for a wash basin of the first invention is a hand drying device for drying hands by blowing air sent from an electric blower through an air duct from an air blowing nozzle, and the electric blower is below the wash stand. The air blowing nozzle is installed in a space, a hollow mounting base is attached to a mounting hole formed in the upper wall of the wash basin next to the tap water faucet, and the air blowing direction is discharged from the tap water faucet. An air outlet is formed so as to face the sink of the wash basin in parallel with the tap water, and includes an air passage communicating from the mounting base to the air outlet. Proximity and separation of fingers stored in a hollow air passage and facing the air outlet for ON-OFF control of the electric blower Detection sensor detects that it is housed configuration in the sensor housing part formed on the lower side of the hollow air passage lower position than the air outlet.

  The hand drying apparatus for a washbasin according to a second aspect of the present invention is the first aspect of the invention, wherein the air blowing nozzle is a combination of an upper body and a lower body so that the hollow air passage is divided into an upper portion and a lower portion. The sensor housing portion is formed on the lower body.

  In the first invention, since the hand washed in the wash basin can be dried as it is in the sink of the wash basin, the hand washed without moving the hand to the drying device located away from the wash basin can be obtained. There is no risk that the jar will drip on the floor of the bathroom or other places and stain the place. In particular, since the fingers can be dried with the sensation of washing hands with the water discharged from the tap for tap water, the fingers can be washed and dried almost without any sense of incongruity. Further, heat generation can be performed safely and effectively by storing the electric heater in the air blowing nozzle as compared with the case where the electric heater is built in the electric blower or stored in the air duct.

  In the second invention, in addition to the effects of the first invention, since the air blowing nozzle has a divided configuration, the work is also performed when assembling, repairing or replacing the electric heater in the air blowing nozzle. It becomes easy.

  The hand drying device for a washbasin according to the present invention is a hand drying device that dries hands by blowing air sent from an electric blower through an air duct from an air blowing nozzle, and the electric blower is a lower space of the washstand. The air blowing nozzle is attached to a mounting hole formed in the upper wall of the wash basin next to the tap water faucet, and the tap water is discharged from the tap water faucet in the air blowing direction. An air outlet is formed in parallel to the sink of the sink, and a hollow air passage is formed from the mounting base to the air outlet, and an electric heater for heating the outlet air is provided in the hollow air passage. Detecting the proximity and separation of a finger facing the air outlet for ON-OFF control of the electric blower The sensor is housed in a sensor housing portion formed below the hollow air passage at a position below the air outlet, and the air outlet nozzle is configured such that the hollow air passage is divided into an upper portion and a lower portion. The upper body and the lower body are combined, and the sensor storage portion is formed in the lower body. Examples of the present invention will be described below.

  Next, an embodiment of the present invention will be described. 1 is a side view of a hand-drying device for a wash basin in which the air blowing nozzle portion according to the present invention is cut, FIG. 2 is a top perspective view of a wash basin equipped with a hand-drying device for a wash basin according to the present invention, and FIG. FIG. 4 is a front view of an electric heater according to the present invention, FIG. 5 is a side view of the electric heater according to the present invention, and FIG. 6 is a tap for tap water according to the present invention. It is a perspective view of the state which has arranged the air blowing nozzle next to the faucet.

  An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a wash basin, which may be either a home-use form or a business-use form used by an unspecified number of people such as a company or a public facility. The wash basin 1 includes a sink 3 for washing fingers and the like, and a tap water faucet 2 that discharges tap water or the like toward the sink 3 is attached to the upper wall 1A of the wash basin 1 at the back of the sink 3. Yes. Reference numeral 4 denotes a mirror mounted substantially vertically on the back side of the washstand 1. Reference numeral 5 denotes a hand-drying device for a washbasin according to the present invention, which blows out air (air) sent from an air blowing device 6 through an air duct 7 composed of a synthetic resin flexible hose or the like from an air blowing nozzle 8. To dry the fingers.

  In the electric blower 6, a fan 6B such as a sirocco fan and an electric motor 6D that rotationally drives the fan 6B are housed in a casing 6A, and an air filter is provided in an air suction port 6C of the fan 6B. The electric blower 6 is attached to the pedestal 10 and installed in the lower space 9 of the washstand 1. The air blowing nozzle 8 is attached to a mounting hole 11 formed in the upper wall 1A of the wash basin 1 next to the tap water faucet 2 with a hollow mounting base 12 inserted. The attachment base 12 is fixed to the upper wall 1A of the wash basin 1 by an attachment nut 13 that is screwed into a portion penetrating the upper wall 1A of the wash basin 1. The upper end of the air duct 7 is attached to a portion where the attachment base 12 penetrates the upper wall 1A of the washstand 1 by a fastening band 14 or the like.

  The air blowing nozzle 8 has an air blowing port 15 formed at the tip, and the air blowing direction blown from the air blowing port 15 is directed in parallel to the tap water discharged from the tap water faucet 2 into the sink 3 of the wash basin 1. Is formed. In the air blowing nozzle 8, a hollow air passage 16 communicating from the inside of the mounting base 12 to the air blowing port 15 is formed, and an electric heater 17 for heating the blowing air is accommodated in the hollow air passage 16. Air (air) sent from the electric blower 6 passes through the hollow mounting base 12 from the air duct 7 and is heated around the electric heater 17 through the hollow air passage 16 and from the air outlet 15. Blow out toward sink 3. Since this air blowing direction is parallel to the direction of tap water discharged from the tap water tap 2, the hand can be dried in the same manner as washing hands with tap water discharged from the tap water tap 2. Can be used without any discomfort. In addition, if this air blowing direction is a state substantially parallel to the direction of the tap water discharged from the tap water tap 2, the effect will be further improved.

  Considering the ease of manufacturing the hollow air blowing nozzle 8 and the ease of incorporating the electric heater 17, the air blowing nozzle 8 is configured such that the hollow air passage 16 is divided into an upper part and a lower part. Thus, it is formed by the combination of the upper body 8A and the lower body 8B. The upper main body 8A and the lower main body 8B have a streamlined shape that is curved obliquely forward from the mounting base 12 toward the air outlet 15 by molding a heat-resistant synthetic resin or metal.

  For ON / OFF control of the electric blower 6, a detection sensor 18 for detecting the proximity and separation of a finger facing the air outlet 15 is formed below the hollow air passage 16 at a position below the air outlet 15. Stored in the sensor storage section 20. The front opening of the sensor storage unit 20 has a waterproof structure covered with an infrared transmission wall 19. The detection sensor 18 includes an infrared light emitting element and an infrared light receiving element, and the infrared light emitted from the infrared light emitting element is reflected by a finger placed on the air outlet 15 and detected by the infrared light receiving element. The electric blower 6 and the electric heater 17 are energized by the controller 22, and hot air blows out from the air outlet 15 toward the sink 3. Then, when the finger placed on the air blowing port 15 is separated from the air blowing port 15, detection by the infrared ray receiving element of the infrared ray emitted from the infrared ray emitting element is eliminated, and the electric blower 6 is controlled by the control unit 22 in the electrical box 21. And energization of the electric heater 17 is cut off.

The sensor storage unit 20 has a configuration formed in the lower main body 8B. The lead wire 24 connecting the detection sensor 18 and the control unit 22 and the lead wire 25 connecting the electric heater 17 and the control unit 22 are hollow air passages 16. Through the mounting base 12 and extends into the lower space 9 of the washstand 1.
The attachment portion 23 of the electric heater 17 may be either the upper main body 8A or the lower main body 8B, but the illustrated portion is formed on the upper main body 8A. The sensor storage unit 20 may have a simple hollow shape instead of a hole as illustrated. The electric heater 17 has a configuration in which a heating wire 17B such as a nichrome wire is wound around a base body 17A of an electrical insulator such as ceramic, and a mounting portion in which an abnormal heating protection device 26 can be replaced in a recess portion 17C of the base body 17A. It is attached to 17D. The abnormal heating protection device 26 is a temperature fuse that cuts off the power supply to the heating wire 17B at an abnormally high temperature, or cuts off the power supply to the heating wire 17B at an abnormally high temperature, such as a bimetal switch, and returns at a predetermined lowered temperature. It is a configuration provided with either one of the thermostats or both the thermal fuse and the thermostat. The electric heater 17 is fixed to the attachment portion 23 with a screw 27, and in this state, the heating wire 17B is in a state separated from both the upper main body 8A and the lower main body 8B.

  If the shape of the air blowing nozzle 8 is similar to the shape of the tap water faucet 2 so as to make a pair, the shape of the air blowing nozzle 8 is improved aesthetically, and FIG. 6 shows one form thereof. ing. The attachment hole 11 for attaching the air blowing nozzle 8 to the upper wall 1A of the wash basin 1 is attached by using the attachment hole for the liquid soap container formed on the upper wall 1A of the wash basin 1 as this attachment hole 11. It becomes easy to do.

  In the above configuration, since the fingers washed in the wash basin 1 can be dried as they are in the sink 3 of the wash basin 1, the washed fingers are not moved to the drying device located away from the wash basin 1. There is no risk of the finger's eyelids dripping onto the floor or other places of the washroom and soiling the place. In particular, fingers can be dried with the sensation of washing hands with water discharged from tap water faucet 2, so that fingers can be washed and dried with almost no sense of incongruity. Further, as compared with the case where the electric heater 17 is built in the electric blower 6 or the case where the electric heater 17 is housed in the air duct 7, the heat generation can be performed safely and effectively by housing the electric heater 17 in the air blowing nozzle 8. become. Further, since the air blowing nozzle 8 has a divided configuration, there is a feature that it is easy to perform the work when assembling, repairing, and replacing the electric heater 17 in the air blowing nozzle 8.

  The present invention is not limited to the above-described embodiment, and various modifications can be conceived without departing from the technical scope of the present invention, and include various embodiments related thereto.

It is a side view of the hand dryer for washstands which carried out the cross section of the air blowing nozzle part which concerns on this invention. Example 1 It is a top perspective view of a wash basin provided with a hand dryer for a wash basin according to the present invention. Example 1 It is sectional drawing of the AA location of FIG. Example 1 It is a front view of the electric heater which concerns on this invention. Example 1 It is a side view of the electric heater which concerns on this invention. Example 1 It is a perspective view of the state which has arrange | positioned the air blowing nozzle to the washstand which concerns on this invention next to the tap for tap water. Example 1

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 .... Wash basin 1A ... Upper wall of wash basin 2 .... Tap for tap water 3 .... Sink 5 .... Hand dryer for wash basin 6 .... Electric blower 7 ... Air duct 8 ... Air blowing nozzle 8A ... Upper body 8B ... Lower body 9 ... Lower space of wash basin 11 ... Formed on upper wall of wash basin Mounting hole 12 ... Hollow mounting base 13 ... Mounting nut 15 ... Air outlet 16 ... Hollow air passage 17 ... Electric heater 18 ... Detection sensor 20 ... Sensor housing DESCRIPTION OF SYMBOLS 21 ... Electrical equipment box 22 ... Control part 23 ... Mounting part of the electric heater 7 26 ... Abnormal heating protection apparatus

Claims (2)

  A hand drying device for drying hands by blowing air sent from an electric blower through an air duct from an air blowing nozzle, wherein the electric blower is installed in a lower space of a wash basin, and the air blowing nozzle A hollow mounting base is attached to a mounting hole formed in the upper wall of the wash basin next to the water faucet, and the air blowing direction is parallel to the tap water discharged from the tap water faucet in the sink of the wash basin. An air outlet is formed so as to face the air, and a hollow air passage communicating from the mounting base to the air outlet is provided, and an electric heater for heating the blown air is housed in the hollow air passage, and the electric blower A detection sensor for detecting the proximity and separation of a finger facing the air outlet for ON-OFF control of the air Washstand Hand drying apparatus is a sensor container housed in configuration formed on the lower side of the above hollow of the air passage lower position than the mouth.   The air blowing nozzle is formed by a combination of an upper body and a lower body so that the hollow air passage is divided into an upper portion and a lower portion, and the sensor storage portion is formed in the lower body. This is a hand dryer for washstands.

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