JP6318360B2 - Hand dryer - Google Patents

Description

  The present invention relates to a hand-drying device used in a washroom, a toilet, a kitchen, and the like in order to dry a wet hand by washing or the like.

  The conventional hand dryer is composed of a power switch that can be turned on and off for cleaning and maintenance, and a switch that can adjust the air volume and temperature according to the situation. The operation unit is provided. This operation part is a part that does not need to be touched by the user who uses the hand dryer for the purpose of drying the hand, so when viewing the hand dryer from above the front, which is the same position as the user's line of sight. The operation unit is installed so as to be concealed. Specifically, the operation unit is known to be installed at the lower part of the main body case so as to face the floor surface at an angle close to horizontal. (For example, refer to Patent Document 1).

  The conventional example will be described below with reference to FIG.

  As shown in FIG. 4, the conventional hand dryer includes a main body case 101, an electric blower 102, and a nozzle 103. The main body case 101 is provided on the wall surface 104, and a hand drying space 105 is provided below the main body case 101. A user can insert and remove the hand 106 into the hand drying space 105 from the front side of the hand drying device. Hand detection means 107 for detecting the inserted hand 106 is provided in the upper part of the hand drying space 105. When the user inserts the hand 106 into the hand drying space 105, the hand detection means 107 reacts and is electrically driven. The blower 102 is activated. When the electric blower 102 is activated, high-pressure air 109 a is generated from the airflow generation unit 108, and the high-pressure air 109 b is blown out from the nozzle 103 toward the hand drying space 105. When the high-pressure air 109b blown from the nozzle 103 collides with the hand 106, the water 106 attached to the hand 106 is blown off to dry the hand 106. The upper part of the hand drying space 105 is composed of a power switch that can be switched on and off of the hand dryer for cleaning and maintenance, and a switch that can adjust the air volume and temperature according to the situation. The operation unit 110 is installed so as to face the floor surface 111 at an angle close to horizontal.

JP 2008-48842 A

  In such a conventional hand drying device, the operation unit is placed on the floor surface while facing the floor surface so that a user who uses the hand drying device for easily drying the hand does not touch the operation surface. Since it is installed at an angle close to the horizontal, the operation unit is hidden from the view of the user standing in front of the hand dryer. However, there is a problem that the visibility of the operation unit is poor for a person who uses the operation unit for the purpose of cleaning, maintenance, air volume adjustment, and the like (= operator).

  The present invention solves such a conventional problem, and improves the visibility of the operation unit for the operator while preventing the general user of the hand dryer from easily touching the operation unit. An object of the present invention is to provide a hand-drying device that can be used.

In order to achieve the above object, a hand drying apparatus according to an aspect of the present invention is provided below a body case attached to a wall surface, an electric blower that sends high-pressure air into the body case, and the electric blower. A hand dryer having a nozzle part for blowing out the high-pressure air, wherein the main body case has a nozzle holding surface that faces the floor surface and holds the nozzle part, and a part of the nozzle holding surface is A concave portion recessed in the direction of the electric blower, the concave portion has a first plane inclined with respect to a horizontal plane, and the first plane is a rear surface side of the main body case from the front side of the main body case. Inclined in the floor direction toward the wall surface side, an operating portion is provided on the first plane, the recess has a second plane on the front side of the first plane, and the second plane The end on the rear side is the first Adjacent to the front end of the plane, the second plane is inclined in the floor direction from the rear side toward the front side, and the angle at which the first plane and the second plane intersect is 90 degrees. The angle is less than 180 degrees, and the angle at which the first plane is inclined with respect to the horizontal plane is smaller than the angle at which the second plane is inclined with respect to the horizontal plane .

A hand dryer according to another aspect of the present invention includes a main body case attached to a wall surface, an electric blower for sending high-pressure air into the main body case, and the high-pressure air provided below the electric blower. The main body case has a nozzle holding surface that holds the nozzle portion and faces the floor surface, and a part of the nozzle holding surface is in the direction of the electric blower. The concave portion has a first plane that is inclined with respect to a horizontal plane, and the first plane faces from the front surface side of the main body case to the wall surface side that is the rear surface side of the main body case. Are inclined in the floor direction, and an operation section is provided on the first plane. The nozzle section is divided into a first nozzle section and a second nozzle section, and the second nozzle section is installed apart from each other. Right second nozzle and left And the second nozzle portion is provided at a predetermined distance from the first nozzle portion at a distance from the rear surface, and the length of the front side of the first plane is the first plane. Smaller than the length of the rear side, the front side is provided between the second right nozzle and the second left nozzle, and the rear side is provided on the rear side of the second nozzle part. it is characterized in that is.

  According to the present invention, when a vertical line perpendicular to the first plane on which the operation unit is provided is drawn, compared to the vertical line drawn when the first plane is not inclined with respect to the horizontal plane, A vertical line can be drawn in the direction of the front side rather than the rear side. That is, since the first plane on which the operation unit is provided is inclined with respect to the horizontal plane as described above, the operator faces the front of the hand dryer and looks at the operation unit from the lower side of the hand dryer. The line of sight can be set to an angle closer to the perpendicular to the operation unit display surface. For this reason, the visibility of the operation unit can be improved for the operator than before.

  Moreover, since the 1st plane in which the operation part was provided has formed the recessed part, an operation part can be arrange | positioned in the position which the general user of a hand dryer does not touch easily.

  Thus, the visibility of the operation unit can be improved for the operator while preventing the general user of the hand dryer from easily touching the operation unit.

The block diagram which shows the side surface cross section of the hand dryer of Embodiment 1 of this invention Expanded configuration diagram showing a side cross-section of the same hand dryer The figure which shows the nozzle holding surface of the hand dryer of Embodiment 2 of this invention. The block diagram which shows the side surface cross section of the hand dryer of a prior art example

A hand dryer according to an aspect of the present invention includes a main body case attached to a wall surface, an electric blower that sends high-pressure air into the main body case, and a nozzle unit that is provided below the electric blower and blows out the high-pressure air. The main body case has a nozzle holding surface that faces the floor surface and holds the nozzle portion, and a part of the nozzle holding surface has a recess recessed in the direction of the electric blower. And the recess has a first plane inclined with respect to a horizontal plane, and the first plane is a floor surface direction from the front side of the main body case toward the wall surface which is the rear side of the main body case. The operating portion is provided on the first plane, the recess has a second plane on the front side of the first plane, and the end of the second plane on the rear side is the An end on the front side of the first plane; The second plane is inclined in the floor direction from the rear side toward the front side, and an angle at which the first plane and the second plane intersect is 90 degrees or more and less than 180 degrees, The angle at which the plane is inclined with respect to the horizontal plane is smaller than the angle at which the second plane is inclined with respect to the horizontal plane .

  According to this configuration, when a vertical line perpendicular to the first plane on which the operation unit is provided is drawn, compared to the vertical line drawn when the first plane is not inclined with respect to the horizontal plane, A vertical line can be drawn in the direction of the front side rather than the rear side. That is, since the first plane on which the operation unit is provided is inclined with respect to the horizontal plane as described above, the operator faces the front of the hand dryer and looks at the operation unit from the lower side of the hand dryer. The line of sight can be set to an angle closer to the perpendicular to the operation unit display surface. For this reason, the visibility of the operation unit can be improved for the operator than before.

  Moreover, since the 1st plane in which the operation part was provided has formed the recessed part, an operation part can be arrange | positioned in the position which the general user of a hand dryer does not touch easily.

  Thus, the visibility of the operation unit can be improved for the operator while preventing the general user of the hand dryer from easily touching the operation unit.

The concave portion has a second plane located on the front side of the first plane, and an end of the second plane on the rear side is adjacent to an end of the first plane on the front side, The second plane is inclined in the floor direction from the rear surface side toward the front surface side .

  According to this configuration, when the operation unit is viewed from the lower side of the hand drying device while facing the front of the hand drying device, the operation unit can be prevented from being hidden by the second plane. For this reason, the visibility of the operation unit can be further improved.

The angle at which the first plane intersects the second plane is 90 degrees or more and less than 180 degrees,
Angle which the first plane is inclined with respect to the horizontal plane, the second plane is smaller than the angle which is inclined relative to the horizontal plane.

  According to this configuration, since the electric blower is provided in the main body case, the depth dimension in the recess direction of the recess is limited, and the adjacent portion of the first plane and the second plane is connected to the main body case. It can arrange | position to the front side. In other words, the area of the first plane can be increased within a predetermined size range. For this reason, the visibility of an operation part can be improved, ensuring an area required in order to install an operation part in the 1st plane.

  The nozzle part is divided into a first nozzle part and a second nozzle part, and the second nozzle part is composed of a right second nozzle and a left second nozzle installed apart from each other, and the second nozzle In the hand-drying apparatus, the length of the front side of the first plane is the length of the rear side of the first plane. The front side is provided between the right second nozzle and the left second nozzle, and the rear side is provided on the rear side of the second nozzle portion. Good.

  According to this configuration, a large area of the first plane can be ensured without changing the position of the second nozzle portion. If the position of the second nozzle part is changed, the performance of drying the hand is affected, but it is not necessary to change the position of the second nozzle part. The length in the direction and the lateral direction can be increased. For this reason, while installing the 2nd nozzle part in a desirable position in order to raise dry performance, the area required in order to install the operation part constituted by a plurality of parts can be secured on the 1st plane.

  The length of the rear side of the first plane may be longer than the length between the second right nozzle and the second left nozzle.

  According to this configuration, the area of the first plane can be further increased while maintaining the hand drying performance.

  The first plane may have a trapezoidal shape.

  According to this configuration, the area of the first plane can be further increased while maintaining the hand drying performance.

  Moreover, it may have a configuration in which hand detection means for detecting the hand inserted below the nozzle portion and operating the electric blower is provided, and the hand detection means is provided on the first plane.

  According to this configuration, the hand detection direction can be given an angle toward the front side of the main body case by an inclination angle, compared to the hand detection direction when the hand detection means is installed on a horizontal plane. That is, the hand detection range can be made closer to the user of the hand dryer. Thereby, a hand detection means can detect a user's hand of a hand dryer earlier. For this reason, the start time of drying a hand can be made early, and a user's hand can be dried in a shorter time.

  The main body case and the recess may be formed integrally.

  According to this structure, compared with what formed the main body case and the recessed part with several components, the number of components can be reduced and the clearance gap between components produced by using a several component can also be reduced. For this reason, it is possible to reduce the number of parts assembling steps for forming the main body case and the recess, and it is possible to suppress the occurrence of dirt that accumulates in the gap between the parts.

  The angle at which the first plane is inclined with respect to the horizontal plane may be 7 ° or more and 16 ° or less.

  According to this configuration, since the electric blower provided above the first plane does not need to be moved further upward, the main body case can be made compact. In addition, if the angle at which the first plane is inclined with respect to the horizontal plane is 7 ° or more and 16 ° or less, the area of the first plane 14 can be sufficiently secured in order to arrange the operation unit.

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

(Embodiment 1)
The hand dryer according to the first embodiment of the present invention will be described with reference to FIGS. 1 and 2.

  As shown in FIG. 1, the hand dryer according to the present embodiment includes an electric blower 3 that generates high-pressure air in a main body case 2, and a nozzle portion 4 below the electric blower 3.

  There is a wall hanging portion 22 on the back side of the main body case 2, and the main body case 2 is attached to the wall surface 1 such as a washroom by the wall hanging portion 22.

  A hand drying space 5 is formed below the main body case 2 so that a user of the hand drying device can insert and remove the hand 6.

  The main body case 2 has a nozzle holding surface 7 that holds the nozzle portion 4. The nozzle holding surface 7 faces the floor surface 12. A part of the nozzle holding surface 7 has a recess 11 that is recessed in the direction of the electric blower 3.

  The recess 11 is provided with an operation unit 9 and hand detection means 8.

  The operation unit 9 includes a power supply part that switches ON / OFF of the hand dryer, a switch that can switch an operation mode in order to obtain an air volume and temperature in accordance with the situation, and the like.

  When the user of the hand drying apparatus inserts the hand 6 into the hand drying space 5, the hand detection means 8 reacts to actuate the electric blower 3, sends high-pressure air 24 a from the airflow generation part 23, and high-pressure air from the nozzle part 4. 24b blows out. The blown out high-pressure air 24b hits the hand 6 of the user of the hand dryer, and blows off water droplets adhering to the hand 6 to dry it. At that time, the user of the hand dryer often inserts the hand 6 from the front surface of the main body case 2 toward the wall surface 1 as the rear surface. The water droplets blown off are accumulated in the water receiving portion 25 provided below the hand drying space 5. When the user's hand 6 deviates from the detection range of the hand detection means 8 for a certain time, the electric blower 3 stops.

  FIG. 2 shows an enlarged view around the operation unit 9.

  The recess 11 is recessed at the depth L of the recess in the direction of the electric blower 3, and has a first plane 14 and a second plane 16.

  The first plane 14 is inclined at an angle θa with respect to the horizontal plane, and is inclined in the direction of the floor surface 12 from the front surface side of the main body case 2 toward the wall surface 1 side that is the rear surface side of the main body case 2. On the first plane 14, the hand detection means 8 and the operation unit 9 are installed.

  The second plane 16 is inclined at an angle θb with respect to the horizontal plane, and is inclined in the direction of the floor surface 12 from the rear surface side of the main body case 2 toward the front surface side of the main body case 2. The second plane 16 is closer to the front side of the main body case 2 than the first plane 14. The rear surface end of the second plane 16 is provided adjacent to the front surface end of the first plane 14. This adjacent portion forms an adjacent portion 17.

  The operation and effect of the above configuration will be described.

  When the vertical line 14a perpendicular to the first plane 14 is drawn, the vertical line can be drawn in the direction of the front side from the rear surface of the main body case 2 as compared with the vertical line 14b perpendicular to the non-tilted plane (horizontal plane). .

  That is, the first plane 14 is inclined with respect to the horizontal plane as described above, and the operation unit 9 is provided on the first plane 14, so that it faces the front of the hand dryer and the lower side of the hand dryer. Thus, the line of sight when the operation unit 9 is viewed can be set to an angle closer to the perpendicular to the display surface of the operation unit 9.

  As described above, according to the hand drying device of the first embodiment of the present invention, the operation unit 9 is disposed at a position that is not easily touched by a general user of the hand drying device. Visibility can be improved.

  Moreover, since the operation part 9 is provided in the recessed part 11, it can make it difficult for the user's hand 6 to contact the operation part 9 at the time of utilization of a hand dryer. As a result, it is possible to reduce discomfort caused by the user coming into contact with the operation unit 9 and to reduce the adhesion of dirt to the operation unit 9.

  The second plane 16 is preferably inclined in the direction of the floor surface 12 from the rear surface side to the front surface side of the main body case 2.

  According to this configuration, when the operation unit 9 is viewed from the lower side of the hand drying device while facing the front of the hand drying device, it is possible to prevent the operation unit 9 from being hidden by the second plane 16. For this reason, the visibility of the operation unit 9 can be further improved.

  The angle θc at which the first plane 14 and the second plane 16 intersect is 90 degrees or more and less than 180 degrees, and the angle θa at which the first plane 14 is inclined with respect to the horizontal plane is the second plane 16 is inclined with respect to the horizontal plane. The angle θb is preferably smaller than the angle θb.

  According to this configuration, since the electric blower 3 is provided in the main body case 2 and the dimension of the depth L of the recess in the recess direction of the recess 11 is limited, the angle θa is smaller than the angle θb. By doing so, the adjacent portion 17 of the first plane 14 and the second plane 16 can be disposed, for example, on the front side of the central portion of the main body case 2. That is, the area of the first plane 14 can be increased within a predetermined size range. For this reason, the visibility of the operation part 9 can be improved, ensuring an area required in order to install the operation part 9 in the 1st plane 14. FIG.

  Moreover, it is preferable that the hand detection means 8 which detects the hand 6 inserted below the nozzle part 4 and operates the electric blower 3 is provided on the first plane 14.

  According to this configuration, the hand detection direction 26a has an angle toward the front side of the main body case 2 by an inclination angle θd, compared to the hand detection direction 26b when the hand detection means 8 is installed on a horizontal plane. Can do. That is, the detection range of the hand 6 can be brought close to the user of the hand dryer. Thereby, the hand detection means 8 can detect a user's hand of a hand dryer earlier. For this reason, the start time of drying a hand can be made early, and a user's hand can be dried in a shorter time.

  Moreover, it is preferable to form the main body case 2 and the concave portion 11 integrally.

  According to this structure, compared with what formed the main body case 2 and the recessed part 11 with several components, the number of components can be reduced and also the clearance gap between components produced by using several components can be reduced. it can. For this reason, it is possible to reduce the number of parts assembling steps for forming the main body case 2 and the concave portion 11, and it is possible to suppress the occurrence of dirt accumulated in the gap between the parts.

  The angle θa at which the first plane 14 is inclined with respect to the horizontal plane is preferably 7 ° or more and 16 ° or less.

  According to this structure, since it is not necessary to move the electric blower 3 provided above the 1st plane 14 further upwards, the main body case 2 can be made compact. Further, if the angle θa is 7 ° or more and 16 ° or less, the area of the first plane 14 can be sufficiently secured in order to arrange the operation unit 9.

(Embodiment 2)
A hand dryer according to the second embodiment of the present invention will be described with reference to FIG. The basic components of this apparatus are the same as those in the first embodiment, and only the changed parts are described.

  FIG. 3 is a view of the nozzle holding surface 7 as viewed from the floor 12 side upward. As shown in FIG. 3, the nozzle portion 4 is divided into a first nozzle portion 18 and a second nozzle portion 19.

  The second nozzle portion 19 is composed of a left second nozzle 19a and a right second nozzle 19b that are installed apart from each other. The second nozzle portion 19 is installed at a predetermined distance away from the first nozzle portion 18 on the rear surface side (wall surface 1 side) of the main body case 2, and when the user inserts the hand 6 into the hand drying space 5. For example, it is installed in the vicinity of the center of the nozzle holding surface 7 so as to hit the fingertip.

  The length of the front side 20 of the first plane 14 (the side of the end on the front side of the first plane 14) is the length of the rear side 21 of the first plane 14 (the side of the end on the rear side of the first plane 14). The front side 20 is provided between the left second nozzle 19a and the right second nozzle 19b.

  The rear surface side 21 is provided on the rear surface side (wall surface 1 side) of the main body case 2 with respect to the second nozzle portion 19.

  Here, the front side 20 is a line segment having a vector component in the direction from the left second nozzle 19a to the right second nozzle 19b. In this example, the front side 20 forms the adjacent portion 17.

  The rear side 21 is a line segment having a vector component in the direction from the left second nozzle 19a to the right second nozzle 19b.

  The first plane 14 is provided with a hand detection means 8 and an operation unit 9, and the operation unit 9 is composed of a plurality of parts such as a power button, an air volume adjustment button, and a temperature adjustment button.

  The operation and effect of the above configuration will be described.

  The length of the front side 20 of the first plane 14 is made smaller than the length of the rear side 21, the front side 20 is provided between the left second nozzle 19 a and the right second nozzle 19 b, The two nozzle parts 19 are provided on the rear surface side (wall surface 1 side) of the main body case 2.

  With this configuration, a large area of the first plane 14 can be secured without changing the position of the second nozzle portion 19. If the position of the second nozzle part 19 is changed, the performance of drying the hand is affected, but it is not necessary to change the position of the second nozzle part 19, so that the first flat surface is not degraded. The length in the front-rear direction and the lateral direction of 14 can be increased.

  Thus, according to the hand drying apparatus of Embodiment 2 of this invention, in order to improve drying performance, the operation part 9 comprised by the several part is installed, installing the 2nd nozzle part 19 in a preferable position. Therefore, a necessary area can be secured on the first plane 14.

  The length of the rear side 21 of the first plane 14 is preferably longer than the length between the right second nozzle 19b and the left second nozzle 19a.

  According to this configuration, the area of the first plane 14 can be further increased while maintaining the hand drying performance.

  Moreover, it is preferable that the shape of the 1st plane 14 is a trapezoid shape which makes the upper side the front side edge 20 and makes the bottom side the rear side edge 21.

  According to this configuration, the area of the first plane 14 can be further increased while maintaining the hand drying performance.

  In addition, it supplements about the hand-drying apparatus of Embodiment 1 or Embodiment 2 below.

  In the embodiment, the hand detection means 8 is provided on the first plane 14. However, even if the hand detection means 8 is provided on a portion other than the first plane 14, the effect of the present invention can be obtained.

  Further, the hand detection means 8 can detect the user's hand of the hand drying device earlier even if it is not installed on the first plane 14 as long as the hand detection means 8 has an angle toward the user. It is possible to obtain an effect.

  Moreover, although the 2nd plane 16 showed the example inclined in the direction of the floor 12 toward the front side from the back side of the main body case 2, the 2nd plane 16 is a floor surface toward the front side of the main body case 2. Even if it is not inclined in the 12 directions or in another shape, the effect of the present invention can be obtained.

  Moreover, although the example in which the water receiving part 25 is provided in order to receive the water droplet which blew away below the nozzle part 4 was shown, even when there is no water receiving part 25, there is no difference in an effect.

  Moreover, although the shape of the 1st plane 14 was made into the trapezoid shape, it does not need to be a trapezoid shape. Even in other shapes, if the first plane 14 has the front side 20 and the rear side 21 longer than the front side 20, it is possible to further maintain the hand drying performance and further The area can be increased.

  Moreover, the cut surface of the horizontal surface of the recessed part 11 may be cuts other than trapezoid shape.

  Since the present invention makes it possible to improve the visibility of the operation unit of the hand dryer, it can be used for various devices in public places in addition to the hand dryer. Conceivable.

DESCRIPTION OF SYMBOLS 1 Wall surface 2 Main body case 3 Electric blower 4 Nozzle part 5 Hand drying space 6 Hand 7 Nozzle holding surface 8 Hand detection means 9 Operation part 11 Recess 12 Floor surface 14 1st plane 14a Vertical line with respect to 1st plane 14b Vertical line with respect to horizontal plane 16 2nd plane 17 Adjacent part 18 1st nozzle part 19 2nd nozzle part 19a Left side 2nd nozzle 19b Right side 2nd nozzle 20 Front side side 21 Rear side side 22 Wall hanging part 23 Airflow generation part 24a High pressure air 24b High pressure air 25 Water receptacle Portion 26a Hand detection direction when the first plane is inclined 26b Hand detection direction when the first plane is horizontal θa Angle formed by the first plane with the horizontal plane θb Angle formed by the second plane with the horizontal plane θc Angle θd formed by the second plane Angle difference between θd 26a and 26b L Depth of recess 101 Body case 102 Electric blower 103 Nozzle 104 Wall surface 105 Hand-drying space 106 Hand 107 Hand detection means 108 Airflow generation unit 109a High-pressure air 109b High-pressure air 110 Operation unit 111 Floor surface

Claims (7)

A body case attached to the wall;
An electric blower for sending high-pressure air into the main body case;
A hand dryer having a nozzle part provided below the electric blower and blowing out the high-pressure air,
The main body case has a nozzle holding surface that faces the floor and holds the nozzle portion,
A part of the nozzle holding surface has a recess recessed in the direction of the electric blower,
The recess has a first plane inclined with respect to a horizontal plane;
The first plane is inclined in the floor direction from the front surface side of the main body case toward the wall surface side which is the rear surface side of the main body case,
An operation unit is provided on the first plane ;
The recess has a second plane on the front side of the first plane;
An end on the rear side of the second plane is adjacent to an end on the front side of the first plane,
The second plane is inclined in the floor direction from the rear side toward the front side,
The angle at which the first plane and the second plane intersect is 90 degrees or more and less than 180 degrees,
The hand dryer according to claim 1, wherein an angle at which the first plane is inclined with respect to the horizontal plane is smaller than an angle at which the second plane is inclined with respect to the horizontal plane . A body case attached to the wall;
An electric blower for sending high-pressure air into the main body case;
A hand dryer having a nozzle part provided below the electric blower and blowing out the high-pressure air,
The main body case has a nozzle holding surface that faces the floor and holds the nozzle portion,
A part of the nozzle holding surface has a recess recessed in the direction of the electric blower,
The recess has a first plane inclined with respect to a horizontal plane;
The first plane is inclined in the floor direction from the front surface side of the main body case toward the wall surface side which is the rear surface side of the main body case,
An operation unit is provided on the first plane;
The nozzle part is divided into a first nozzle part and a second nozzle part,
The second nozzle part is composed of a right second nozzle and a left second nozzle installed apart from each other,
The second nozzle part is provided at a predetermined distance away from the first nozzle part on the rear surface side,
The length of the front side of the first plane is smaller than the length of the rear side of the first plane,
The front side is provided between the right second nozzle and the left second nozzle,
The hand dryer according to claim 1, wherein the rear side is provided on the rear side of the second nozzle portion. 3. The hand dryer according to claim 2 , wherein a length of the rear side of the first plane is longer than a length between the second right nozzle and the second left nozzle. The hand dryer according to claim 2 or 3 , wherein the shape of the first plane is a trapezoidal shape. It has hand detection means for detecting the hand inserted below the nozzle part and operating the electric blower,
The hand drying apparatus according to claim 1, wherein the hand detection unit is provided on the first plane. The hand dryer according to claim 1, wherein the main body case and the concave portion are formed integrally. The hand dryer according to any one of claims 1 to 6 , wherein an angle at which the first plane is inclined with respect to a horizontal plane is not less than 7 ° and not more than 16 °.

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