JP2006043085A - Hand dryer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve problems that (1) an air filter for a hand dryer is difficult to be cleaned since its installation position is not easily found, (2) installing of the air filter is forgotten or the air filter is lost easily even when it is cleaned, and (3) there is possibility of water suction in a high-pressure air stream generator since a drain container and the air filter are cleaned together and the air filter is installed while the waterdrop is stuck to it. <P>SOLUTION: With the hand dryer where water stuck to the hands are blown off at a hand insertion part constituted as a recessed space, the water is stored in the detachable drain container, and the air filter is provided at an air inlet port for taking in the air for generating a high speed air current, a brush or a vibrator for vibrating the air filter is arranged near the air filter and the air filter can be cleaned without being removed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an improvement of a hand drying device that dries wet hands after washing in a bathroom or a toilet.

  2. Description of the Related Art Conventionally, as a device for drying wet hands after washing, there is a hand drying device that blows and dries water droplets adhering to the hands by a high-speed air flow. This apparatus is provided with a manual insertion portion having a box shaped processing space as a concave shape, and an air nozzle is disposed in the manual insertion portion. This air nozzle is connected to an air duct connected to a high-pressure airflow generator so as to eject a high-speed airflow into the manual insertion portion. The water blown off to the hand insertion portion in accordance with the hand drying process is dropped from a drain port provided at the bottom of the hand insertion portion into a drain container provided below the hand insertion portion, and is stored in the drain receiver. In addition, there exists what is disclosed by patent document 1 as this kind of prior art.

JP 11-244192 A

  In a conventional hand dryer that dries hands with a high-speed air flow, if dust or dust accumulates in the air filter provided at the air suction port, the amount of intake air to the blower for generating high-pressure airflow decreases, resulting in reduced drying capacity. Therefore, it is necessary to clean regularly. In addition, it is necessary to remove dust and the like from the air sucked into the high-pressure airflow generating blower. When the air filter was removed and cleaned, there was a problem of forgetting to attach the air filter. There is a conventional structure in which a drain container and an air filter are connected. In addition, there are things that can not be operated when the air filter is not installed, but in the above case, if the cleaner loses the air filter and does not install it for a long time, it can not be operated for that period or the drain container When cleaning the air filter, there is a problem that the air filter also gets wet with water and the water adhering to the air filter is sucked into the high-pressure airflow generator.

  The present invention has been made to solve the above-described conventional problems, and the problem is to obtain a hand-drying device that can prevent forgetting to attach the air filter, and in proximity to the air filter. The purpose is to obtain a hand drying device that can clean the air filter without removing the air filter by the provided drain container cleaning mechanism, and to facilitate handling such as operation of the hand drying device. It is a thing.

  In order to solve the above-described problems, the present invention provides a high-pressure airflow generator that generates a high-pressure airflow, a nozzle that ejects the high-pressure airflow generated by the high-pressure airflow generator, and a wet hand that can be inserted and removed. A manual insertion portion, a water receiving portion for collecting water droplets blown off by the nozzle, and a drain container for storing water collected by the water receiving portion are provided, and the drain container can be inserted and removed from the lower surface of the main body to be detachable. An air intake port for taking in air for generating the high-pressure air flow, and a means in which an air filter is provided in the air intake port and a brush is disposed in the vicinity of the air filter are employed.

  Further, the second configuration of the present invention is a high-pressure airflow generator that generates a high-pressure airflow, a nozzle that ejects the high-pressure airflow generated by the high-pressure airflow generator, and manual insertion that can be inserted and removed by a hand. And a water receiving part for collecting water droplets blown off by the nozzle, and a drain container for storing the water collected by the water receiving part. An air intake port for taking in air for generating air, and an air filter provided in the air intake port, and a vibrator that vibrates the air filter in the vicinity of the air filter is arranged.

  Further, since the air filter and the drain tank are not connected, the air filter does not get wet with water, and there is no possibility that water is sucked into the high-pressure airflow generator.

  In the hand drying device of the present invention, a high-pressure air flow generator that generates a high-speed air flow is incorporated in a main body box having a hand insertion portion configured as a concave space. An air intake port for taking air into the high-pressure airflow generator opens at the lowermost part of the main body box as an intake passage end formed inside the main body box. An air filter for removing dust is attached to the air intake port. A drain container that can be detached in the front-rear direction is attached to the lower part of the manual insertion portion of the main body box. The high-pressure air flow generated by the high-pressure air flow generator is guided to an air nozzle provided on the upper surface of the manual insertion portion. A high-speed air flow is blown out from this air nozzle into the manual insertion part, and the water adhering to the hand put in the manual insertion part is blown off, and it is stored in the drain container from the drain outlet provided in the water receiving part at the bottom of the manual insertion part It has become.

  By adopting the above means, it is possible to easily remove dust adhering to the filter with a brush or vibrator provided close to the air filter. Become. This hand-drying device is provided with a function that allows the air filter to be cleaned with a brush provided close to the air filter. Therefore, since it can be cleaned without removing the air filter, it is possible to prevent the air filter from being forgotten or lost.

Embodiment 1 FIG.
Hereinafter, embodiments of the present invention will be described.
FIG. 1 is a cross-sectional view of an embodiment of the present invention. As shown in this cross-sectional view, this hand drying device is provided with a hand insertion port A on the upper surface. Further, the main body box 1 is provided with a high-pressure airflow generator 2, and the high-pressure airflow generated from the high-pressure airflow generator is sent to the ejection nozzle B provided near the manual insertion port and continues to the manual insertion port. Water is blown off into the hand insertion portion 3 as a processing space to dry the hand. The main body box 1 is composed of a base 4 forming a back outer shell and a front panel 5 forming a front outer shell.

  The manual insertion part 3 is formed in the upper front part of the main body box 1 as a concave space in which both sides are open and the hand can be inserted / extracted, and the water blown off by the manual insertion part 3 is in the water receiving part 6 with an inclination. It is the structure which collect | recovers and guides the collect | recovered water to the drain port 7 provided in the inclination lower end.

  A drainage pipe 8 is connected to the drainage port 7 for flowing water into a drain container 9. A drain container 9 having an open container structure for storing water collected by the drain pipe 8 is detachably provided so that the main body box 1 can be inserted and removed in the front-rear direction. The drain container 9 is provided with a removable lid 10. The drain container 9 and the lid 10 are made of chemically resistant polypropylene resin or ABS resin, and can be cleaned and cleaned using a neutral detergent, alcohol, or the like. Further, the surface 3A of the manual insertion portion 3 is impregnated with a water-repellent coating such as silicon or fluorine, or a hydrophilic coating such as titanium oxide, or an antibacterial agent to reduce the adhesion of dirt to the surface. It is configured to reduce bacterial growth.

  The high-pressure airflow generator 2 includes a DC brushless motor 2A (which may be a commutator motor or an induction motor) and a turbo fan 18 that is rotated by a drive circuit that drives the DC brushless motor 2A. In this embodiment, manual insertion is performed. It is attached directly below the part 3. 11 is a suction portion of the blower, 12 is an air intake port of the blower provided below the box body 1, and the air intake port 12 is provided with an air filter 13 so that dust and dust blow out from the nozzle B through the blower. I try not to.

  The air filter 13 is formed in a wide planar form, has a frame 14 on the entire periphery, and is asymmetrical in shape. The air filter 13 is made of a material such as PP, PET, PMMA, and the shape is a mesh filter or a hepa filter, and an antibacterial material is kneaded into the material. The air filter 13 is fixed by the protrusion 15 of the air intake 12 and has a structure that does not easily come off. The drain container 9 is located at the lowermost part of the main body, is installed between the guide rail portion 16 of the main body box 1 and the air intake, and is configured to be detachable from the lower surface of the main body.

  The drain container lid 10 is provided with an air filter cleaning brush 17 integral with the lid. When the drain container 9 is removed from the main body box 1, the lower surface of the air filter is operated to remove dirt from the air filter.

Embodiment 2
FIG. 2 is a side sectional view schematically showing the relationship between the air filter 13 and the brush 17 in the second embodiment. A brush 17 is disposed in the vicinity of the air filter 13. As described above, the air filter 13 is fixed to the air intake port 12, and dust attached to the air filter is removed by removing the brush 17 provided on the lower surface of the main body. With this structure, it is not necessary to remove the air filter 13 at the time of cleaning, so there is no need to forget to attach or lose the air filter 13. Moreover, since it is not connected with the drain container 9, it is difficult for the air filter 13 that has been wetted by water to be attached during the cleaning operation. The air filter 13 is asymmetrical on the front and back sides, and even with such a structure, there is a barrier on the back side, so that the hand dryer may be used with the front and back side mounted so that it does not perform the dust removal function. Absent.

Embodiment 3
FIG. 3 is a side sectional view of Embodiment 3 showing an outline of an air filter and a drain container. A brush 17 that is automatically movable is provided in the vicinity of the air filter 13. The brush 17 includes a movable device 19 that automatically moves, and rotates the movable device 19 in response to a switch on / off signal provided on the outer body of the main body to move the brush 17 and remove dust adhering to the surface of the air filter 13. It is. With this structure, the same effect as in FIG. 2 can be obtained, and the air filter 13 can be cleaned only by turning on and off the switch provided on the outer shell of the main body. Even with such a structure, cleaning is easy.

  Further, the dust removed by the brush 17 is collected by the collection unit A of the drain container 9. The collected dust can be discarded when the drain container 9 is cleaned.

  FIG. 4 is a side sectional view schematically showing the air filter and the drain container shown in FIG. 1, and FIG. 5 is a top view of the drain container. The drain container 9 is provided with a brush 17 for air filter cleaning. The drain container 9 is divided into recovery parts A and B, and the recovery part B recovers water adhering to the hand. In order to discard the collected water, the drain container 9 is configured to be detached from the main body. However, the dust attached to the surface of the air filter 13 is removed by the brush 17 when the drain container is detached. This structure facilitates cleaning because the lower surface of the air filter 13 can be cleaned with the brush 17 by cleaning the drain container 9.

  Further, the dust removed by the brush 17 is collected by the collection unit A of the drain container 9. The collected dust can be discarded when the drain container 9 is cleaned.

Embodiment 4
6 is a front view of the lower part of the main body showing Embodiment 4, FIG. 7 is a side sectional view showing an outline of the air filter of this example, and FIG. 8 is a perspective view showing an outline of the air filter. As shown in FIG. 7, a brush 17 is provided in the vicinity of the air filter 13. As shown in FIG. 8, left and right protrusions 19 and a handle 20 are provided on the frame 14 of the air filter 13. The air filter has a handle 20 and can slide forward and backward. By sliding the air filter 13 back and forth, dust attached to the air filter surface can be removed with a brush 17 provided in the vicinity. Further, since the protruding portion 19 is provided, when the air filter is pulled out to the front of the main body to some extent, the right and left system stop portions provided on the drain container are locked and the drain container cannot be taken out. With this structure, it is possible to easily clean the air filter and to prevent a malfunction in installation.

In addition, as shown in FIG. 7, the dust removed by the brush 17 is collected by the collection unit A of the drain container 9. The collected dust can be discarded when the drain container 9 is cleaned.
Embodiment 5. FIG.

  This embodiment has a different air filter cleaning mechanism and is basically the same as that of the first embodiment except for the cleaning structure. Therefore, the same parts as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and the description thereof is omitted.

  FIG. 9 is a side sectional view showing an outline of the air filter. A vibrator 21 is disposed in the vicinity of the air filter 13. The air filter 13 is fixed to the air intake 12 and has a structure in which the vibrator 21 is vibrated by a switch on / off signal provided on the outer shell of the main body, and dust adhered to the surface is screened off by vibration. With this structure, it is not necessary to remove the air filter 13 at the time of cleaning, so there is no need to forget to attach or lose the air filter 13. Moreover, since it is not connected to the drain container 9, the air filter 13 that has been wetted by water during the cleaning operation is not attached. The air filter 13 is asymmetrical on the front and back sides, and since there is a barrier 15 on the back side, the hand dryer is not used while it is mounted in a state where the front and back sides are mistaken so as not to perform the dust removing function.

Embodiment 6
FIG. 10 is a side sectional view showing the details of the air filter and the drain container according to the sixth embodiment. As shown in FIG. 10, the air filter 13 has a pleated shape and is provided above the drain container 9. The drain container 9 is provided with a protrusion 22 for cleaning the air filter. The drain container 9 is divided into recovery parts A and B, and the recovery part B recovers water adhering to the hand. In order to dispose of the collected water, the drain container 9 is configured to be detached from the main body, but when the drain container is detached, the air filter 13 vibrates by the projection 22 and dust adhering to the surface due to the vibration is removed. The structure to be removed. With this structure, when the drain container is attached / detached, the protrusion of the air filter is vibrated to remove dust and the like. Thereby, since the air filter 13 can be cleaned only by cleaning the drain container 9, cleaning is easy.
Further, the dust removed by the protrusions 22 is collected by the collection unit A of the drain container 9. The collected dust can be discarded when the drain container 9 is cleaned.

  Further, the air filter 13 described above may have a structure in which the contact portion of the protrusion 22 provided in the drain container 9 is coated with resin by insert molding.

Embodiment 7
FIG. 11 is a side sectional view showing the outline of the air filter, and FIG. 12 is a perspective view showing the outline of the air filter. As shown in FIG. 11, the air-filter 13 has a pleated shape, is provided with a protrusion 23 in the vicinity thereof, and is provided above the drain container 9. As shown in FIG. 12, the frame 14 of the air filter 13 has left and right protrusions 19 and a handle 20 that can be held by hand, and the air filter has a structure that can slide back and forth with the handle 20. It has become. By sliding the air filter 13 back and forth, the air filter can be vibrated by the protrusions 23 provided in the vicinity, and dust adhering to the surface can be removed. Further, since the protruding portion 19 is provided, when the air filter is pulled out to the front of the main body to some extent, the system locking portion 25 provided on the drain container is locked and cannot be removed. With this structure, the air filter can be easily cleaned as in the sixth embodiment.

  Further, as shown in FIG. 11, the removed dust is collected by the collection unit A of the drain container 9. The collected dust can be discarded when the drain container 9 is cleaned.

  Further, the air filter 13 described above may have a structure in which the contact portion of the protrusion 23 provided near the filter is coated with resin by insert molding.

It is sectional drawing of the hand-drying apparatus which shows Embodiment 1 of this invention. It is sectional drawing which shows the outline of the brush adjacent to the air filter of Embodiment 2 of this invention. It is sectional drawing which shows the outline of the movable brush which shows Embodiment 3 of this invention. It is a schematic sectional drawing of the brush comprised in the drain container which shows Embodiment 4 of this invention. It is a top view which shows the outline of the brush with which the drain container was equipped in Embodiment 1 of this invention. Front view showing an outline of a hand dryer air filter section in Embodiment 3 of the present invention It is side surface sectional drawing which shows the slide structure of an air filter in Embodiment 3 of this invention. 6 is a perspective view showing a slide structure of an air filter in Embodiment 3. FIG. Right side cross-sectional view showing an outline of a vibrator close to the air filter of the fourth embodiment FIG. 10 is a right side cross-sectional view showing an outline of a protrusion provided in the drain container of the fifth embodiment. FIG. 10 is a right side cross-sectional view showing a slide structure of an air filter in a sixth embodiment. FIG. 10 is a perspective view showing a slide structure of an air filter in a sixth embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Main body box, 2 High pressure airflow generator, 3 Hand insertion part, 4 Base, 5 Front panel, 6 Water receiving part, 7 Drain outlet, 8 Drain pipe, 9 Drain container, 10 Drain container lid, 11 Blower Suction port, 12 Air intake port, 13 Air filter, 14 Air filter frame, 15 Air filter fixing projection, 16 Guide rail, 17 Brush, 18 Movable device, 19 Air filter left and right protrusion, 20 Air filter handle, 21 Vibrator, 22 Projection of drain container, 23 Projection near air filter

Claims (3)

  A hand insertion recess provided in the main body, a high pressure air flow outlet that blows off water attached to the hand above the opening surface of the recess, a blower that sends high pressure air to the outlet, and water attached to the hand in the hand insertion recess In the hand drying apparatus configured to blow away water, a water receiving portion for collecting the blown water is provided on the lower surface of the recess, and a drain container for collecting water collected from the lower surface is detachable from the main body below the water receiving portion. An air filter cleaning brush that cleans the suction surface of the air filter by providing an air filter for cleaning the high pressure air flow suction air at the air flow suction port of the blower at the upper part of the water receiving portion. A hand dryer attached to the upper surface of the drain container.   2. The hand dryer according to claim 1, wherein when the drain container is attached or detached, the brush moves the air filter surface to clean the air filter.   A hand insertion recess provided in the main body, a high pressure air flow outlet that blows off water attached to the hand above the opening surface of the recess, a blower that sends high pressure air to the outlet, and water attached to the hand in the hand insertion recess In the hand drying apparatus configured to blow away water, a water receiving portion for collecting the blown water is provided on the lower surface of the recess, and a drain container for collecting water collected from the lower surface is detachable from the main body below the water receiving portion. This air receiving part is provided with a suction port for the air flow of the blower, and an air filter for purifying the suction air is provided at the high pressure air flow suction port, and the air filter is provided close to the air filter. A hand-drying device with a vibrating vibrator.

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