JP3731350B2 - Hand dryer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hand drying device that draws air into a blower block via a suction port and an air passage, and blows air from a blowout port to a hand insertion unit to dry hands and the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a hand drying device is known in which wind is drawn into a blower block via a suction port and an air passage portion, and air is blown from a blowout port to a hand insertion portion to dry hands and the like. A water receiving case is disposed at the lower part of the main body housing of the hand drying device, and when the wet hand is put into the hand insertion portion and dried, the water adhering to the hand is provided at the bottom of the main body housing. It flows and collects directly in the water receiving case. That is, the upper opening of the water receiving case communicates directly with the opening provided at the bottom of the main body housing, and water flows directly into the water receiving case from the opening at the bottom of the main body housing.
[0003]
However, in the conventional example having the above-described configuration, the airflow blown from the blowout port hits the surface of the stored water in the water receiving case from the opening, and the water level becomes high. When it comes, there is a problem that it overflows from the water receiving case due to the rippling of the water surface. In addition, since the bottom of the main body housing is conventionally flat, there is a problem that the water that has flowed to the bottom of the main body housing does not easily flow into the opening, and the water remains on the bottom, which is scattered by the air current and scattered outside. It was.
[0004]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and the water in the water receiving case does not undulate and overflow outside due to the airflow blown from the outlet, and the water stays at the bottom of the main body housing. It is an object of the present invention to provide a hand-drying device that can smoothly drain water to the opening side without doing so.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the hand drying apparatus according to the present invention is configured such that the wind is drawn into the blower block 6 via the suction port 1 and the air passage unit 2 and is provided on the upper surface of the hand insertion unit 3. a hand dryer for drying the hands blows wind the hand insertion portion 3, and arranged water receiving case 15 to the lower portion of the main body housing 8, the it lowers the bottom of the body housing 8 below the hand insertion portion 3 Are formed in the front and rear portions of the bottom of the recess 16 in the left-right direction, and the recesses 16 are formed in the left-right direction. A groove 23 is formed, and a drainage port 24 for draining water that has flowed into the groove 23 from the opening 17 into the water receiving case 15 is opened to the side at the end of each groove 23. With such a configuration, the hand insertion portion 3 When the hand is inserted and dried by the airflow blown from the blowout port 7, the water adhering to the hand is blown off to the bottom of the main body housing 8 and flows from the opening 17 to the concave groove 23. The airflow flows toward the drainage port 24 at the end of the groove 23, flows down from the drainage port 24 that opens to the side into the lower water receiving case 15, and accumulates in the water receiving case 15. For this reason, the airflow blown out from the blowout port 7 does not directly blow against the water surface of the water collected in the water receiving case 15, and the water in the water receiving case 15 is prevented from undulating.
[0006]
Further, a chevron inclined portion 50 with an opening 17 side portion between both the openings 17 of the bottom is inclined so that the bottom of the main body housing 8, the opening peripheral portion of the plurality of openings 17 in the bottom of the body housing It is preferable that the inclined surface 51 be inclined so that the 17th side is the lower side. With such a configuration, the water dropped on the bottom of the main body housing 8 smoothly flows into the opening 17 by the air flow along the mountain-shaped inclined portion 50 and the inclined surface 51, and can be scattered outside. There is nothing.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.
[0008]
The hand-drying device has a main body housing 8 opened to the back, a back plate 9 that is disposed in the rear opening of the main body housing 8 and is attached to the main body housing 8 by a screw tool 14, and a water receiving case 15 that is attached to the lower portion of the main body housing 8 And the outer shell is composed. The main body housing 8 is configured by combining an upper housing body 8a and a lower housing body 8b, and a recess 16 that is recessed downward is formed in the lower portion of the lower housing body 8b. A plurality of openings 17 are provided, and in the embodiment shown in the attached drawings, elongated openings 17 are provided in the left and right directions at the front and rear of the bottom. Here, as shown in FIG. 2, the portion between the openings 17 at the bottom of the recess 16 is a mountain-shaped inclined portion 50 that is inclined so that the opening 17 side is down, and the bottom of the recess 16 The peripheral portion of the plurality of openings 17 is an inclined surface 51 that is inclined so that the opening 17 side is downward.
[0009]
As shown in FIG. 6, the lower housing body 8 b is provided with a support portion 18 having an L-shaped cross section in the front-rear direction, and the locking portion 19 of the water receiving case 15 is slidable on the support portion 18 in the front-rear direction. The water receiving case 15 is detachably attached to the lower housing body 8b by being locked. A detachable button fixing member 34 is provided at the lower end of the back plate 9, and a detachable button 36 that is spring-biased in a direction protruding downward by a spring 35 is attached to the detachable button fixing member 34 so as to be movable in the vertical direction. It is. The detachable button 36 is provided with a hook 37, and the hook 37 is in the water receiving case in a state where the locking portion 19 is slidably locked to the support portion 18 and the water receiving case 15 is attached to the lower surface side of the lower housing body 8 b. The water receiving case 15 cannot be pulled out due to mischief or the like. That is, the water receiving case 15 can be pulled out and removed only when the detachable button 36 is pushed against the spring 35 and the hook 37 is removed from the locking piece 38.
[0010]
As shown in FIG. 5, the water receiving case 15 is provided with a water receiving portion 20 that is a portion that receives water and a cylindrical passage 46 that constitutes the suction port 1, and a filter frame is provided above the water receiving case 15. 21 is attached, and a vent hole 44 is provided in the filter frame 21, and the filter 22 is attached to the vent hole 44. A slit 1a that opens downward and laterally is formed at the lower end of the cylindrical passage 46, and external air is sucked from here.
The upper end opening of the cylindrical passage 46 constituting the suction port 1 and the vent hole 44 of the filter frame 21 communicate with each other. As shown in FIG. 4 , ribs 45 project upward from the periphery of the vent hole 44 to surround the filter 22 mounted in the vent hole 44, and the water receiver 20 of the water receiver case 15. Even when the water is full, the water overflowing due to the presence of the rib 45 is prevented from being transferred to the side of the vent hole 44 to which the filter 22 is attached. Further, the filter frame 21 is provided with a groove 23 elongated in the left-right direction at the front portion and the rear portion, and the water receiving case 15 is attached to the lower surface side of the lower housing body 8b, and the lower housing body 8b An opening 17 that is elongated in the left-right direction provided in the front part and the rear part of the lower part and a groove 23 that is elongated in the left-right direction provided in the front part and the rear part of the filter frame 21 face each other and communicate with each other. As shown in FIGS. 6, 7, and 8, at least one end portion (that is, one or both of the left end portion and the right end portion) in the longitudinal direction of the concave groove 23 is opened to the side and becomes a drain port 24. ing. A water splash preventing rib 54 is provided at a position slightly outside the drain port 24 at both ends of the concave groove 23 on the lower surface of the filter frame 21 so as to face the drain port 24 through a slight gap 53.
[0011]
As shown in FIG. 1, a hand insertion portion 3 for inserting a hand from the front is provided at the center of the body housing 8, and the side of the hand insertion portion 3 on the front surface of the body housing 8 (implementation shown in the figure). In the form, projecting portions 25 are provided on both sides), and the inside of the projecting portions 25 is a hollow path to constitute the air path section 2. The lower end opening portion of the air passage portion 2 communicates with the filter 22 when the water receiving case 15 is attached as described above. The upper part of the air passage part 2 is opened in the upper housing body 8a.
A blower block 6 is housed inside the upper housing body 8a. The blower block 6 is configured by attaching a blower motor 4 provided with a fan, a heater 26, a blowout port 7, and a sound absorbing material 80 to a blower case 5 through a blower motor holding material 59 formed of independent foamed rubber or the like and having a vibration proof and soundproof effect. It is a thing.
[0012]
A screw boss 13 is integrally protruded rearward from the rear surface portion of the blower case 5, and a front end portion of the screw boss 13 protrudes inward (front side) of the blower case 5. . The screw boss 13 is engraved with a female screw portion 13a, and the female screw portion 13a reaches the inside of the blower case 5 (that is, the inner end of the female screw portion 13a is on the front side of the blower case 5). Is located). The blower case 5 is attached to the back plate 9 using the fixture 10 via the washer 32. In this case, when the blower case 5 is fixed to the back plate 9 with the fixture 10, the fixture 10 and the back plate are fixed. 9 is fixed via an elastic holding portion 11 made of an elastic material such as rubber or elastic synthetic resin so as not to come into contact with 9.
[0013]
An annular rib 12 is provided on the inner surface of the front surface portion of the main body housing 8, and the front surface portion of the blower case 5 is fitted into the rib 12 so that the front surface portion of the blower case 5 is positioned and held on the front surface portion of the main body housing 8. It is. By positioning and holding the front surface portion of the blower case 5 in the main body housing 8 in this way, the blower case 5 can be supported by the ribs 12 on the front surface side as well as being fixed by the fixture 10 on the rear surface side as described above. It is possible to prevent a sudden stress from being applied to the fixing portion by the fixing tool 10.
[0014]
The blowout port 7 is opened in the upper surface portion of the hand insertion portion 3 formed in the center of the main body housing 8 and opened in the front, and the blowout port 7 has a slit hole 7a that is long in the front-rear direction as shown in FIG. A plurality (for example, 5 rows) are arranged in the left-right direction.
[0015]
A human body detection sensor 38 is provided on the upper portion of the inner wall portion of the hand insertion portion 3 of the main body housing 8. Further, as shown in FIG. 1, the main body housing 8 is provided with a power switch 39, a heater on / off switch 40, and an air volume changeover switch 41 for selecting the intensity of the air volume.
[0016]
As shown in FIG. 2, the hand dryer having the above-described configuration is attached to the wall 48 by using a mounting bracket 49. In this case, in the present invention, the wind from the suction port 1 to the blower block 6 is used. Since the path portion 2 is provided on the side of the hand insertion portion 3 of the main body housing 8, the protruding length M from the wall 48 in FIG. 2 can be shortened, and when the hand insertion portion 3 is put in the hand and dried. The degree of freedom of the hand movement range can be greatly increased.
[0017]
When a wet hand is inserted into the hand insertion section 3, the human body detection sensor 38 detects the hand, energizes the blower motor 4 and the heater 26, sucks wind from the suction port 1, and passes through the air passage section 2. The air is drawn into the blower block 6, heated by the heater 26, and the heated air is blown out from the blowout port 7, thereby drying the wet hand inserted into the hand insertion portion 3. In this case, warm air blows on the water adhering to the hand to evaporate, and a part of the water is blown off to the lower part of the main body housing 8, that is, the bottom of the lower housing body 8b, and the opening of the lower housing body 8b. 17 flows into the groove 23 from the upper side, is blown toward the end of the groove 23 by the wind blown from above, and flows into the water receiving case 15 from the drain port 24 at the end of the groove 23 in the longitudinal direction. It is.
[0018]
In this case, the airflow blown out from the blowout port 7 is blown from the opening 17 provided at the bottom of the lower housing body 8b, and this airflow hits the bottom of the concave groove 23 and causes water to flow along the concave groove 23 in the longitudinal direction. It flows to the drainage port 24 side that opens to the side of the end, and blows directly into the water receiving case 15 from the opening 17 and blows against the water surface of the water collecting case 15, Is something that will not ripple. Therefore, when the water level is high, the airflow does not cause the water surface to swell and the water does not overflow from the water receiving case 15. By the way, when the water receiving case 15 is almost full, there is a possibility that the water surface is somewhat swollen by the air flow. Even in such a case, by providing the water splash preventing rib 54, the drainage port 24 can be caused by undulation. Thus, the water is returned to the concave groove 23 and the water splashing prevention ribs 54 can prevent water from coming out beyond the opening 17.
[0019]
The water accumulated in the water receiving case 15 can be discarded by pulling the water receiving case 15 forward and taking it out. When the water receiving case 15 is removed and a wet hand is inserted into the hand insertion portion 3 and dried as described above, even if water flows into the opening portion 17, Since there is no member, the water that has flowed into the opening 17 simply flows down as it is and does not scatter to the front, which is the direction in which the user is, so that the user is not splashed with water.
[0020]
If the suction port 1 is not provided in the water receiving case 15 but is provided in the concave step portion 15a provided at the lower part of the central portion of the water receiving case 15 shown in FIG. A filter 22a for filtering air may be provided at a position indicated by.
[0021]
【The invention's effect】
In the present invention described in claim 1, the wind is drawn into the blower block via the suction port and the air passage portion, and the wind is blown from the air outlet provided on the upper surface portion of the hand insertion portion to the hand insertion portion. A hand-drying device that blows out a hand to dispose a water receiving case at the bottom of the main body housing , forming a recess recessed downward at the bottom of the main body housing below the hand insertion portion. In the front and rear of the bottom of the base, elongated openings in the left-right direction are formed, and elongated grooves in the left-right direction communicating with the openings are formed below the openings. Grooves from the opening to the end of each groove Since the drain outlet for draining the water that has flowed into the water receiving case is opened to the side, insert a wet hand into the hand insertion part and dry it with the airflow blown from the outlet. The adhering water is blown off to the bottom of the main unit housing and from the opening. It flows to the groove, and further flows into the drain outlet side of the end of the concave groove by the airflow, flows down from the drain outlet that opens to the side into the lower water receiver case, and accumulates in the water receiver case. As a result, the airflow blown out from the outlet does not directly blow onto the water surface of the water collected in the water receiving case, preventing the water in the water receiving case from undulating, and the water surface undulating from the water receiving case. It is possible to prevent water from spilling outside and getting wet.
[0022]
Further, in the second aspect of the invention, in addition to the effect of the invention according to the first aspect, the inclined part between both the openings of the bottom portion of the body housing so that the opening side has a lower chevron Since the sloped part is a sloped surface with a plurality of openings at the bottom of the main body housing inclined so that the opening side is on the bottom, the water that falls on the bottom of the main body housing follows the mountain-shaped sloped part, the sloped surface. Thus, the air smoothly flows into the opening, and water remains at the bottom, which is not blown away by the air current and scattered outside.
[Brief description of the drawings]
FIG. 1 is a perspective view of the present invention.
FIG. 2 is a cross-sectional view of the above.
3 is a cross-sectional view of the same, with the left half broken along line AA in FIG. 2 and seen below, and the right half broken along line AA in FIG. 2 and seen above. FIG.
FIG. 4 is a plan view of a water receiving case used in the above, and the right half shows a state in which a filter frame is overlaid thereon.
FIG. 5 is a side sectional view of a water receiving case used in the above.
FIG. 6 is a cross-sectional view of a portion where a water receiving case is attached to the lower housing body.
FIG. 7 is a perspective view of the main part showing the opening and the concave groove.
FIG. 8 is a plan view of the filter frame.
FIG. 9 is a bottom view of the air outlet of the above.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Suction port 2 Air passage part 3 Manual insertion part 5 Blower case 6 Blower block 7 Outlet 8 Main body housing 15 Water receiving case 17 Opening part 23 Groove 24 Drain outlet 50 Angle-shaped inclined part 51 Inclined surface

Claims (2)

A hand drying device in which wind is drawn into a blower block via a suction port and an air passage portion, and blows air from a blowing port provided on an upper surface portion of the manual insertion portion to the hand insertion portion to dry the hand. A water receiving case is disposed in the lower part of the housing , a recess recessed downward is formed in the bottom of the main body housing below the manual insertion part, and an opening elongated in the left-right direction at the front and rear of the bottom of the recess Forming an elongated groove in the left-right direction communicating with the opening under each opening , and for draining water that has flowed into the groove from the opening at the end of each groove A hand-drying device characterized in that a drain outlet is opened laterally. The portion between the two openings on the bottom of the main body housing is a mountain-shaped inclined portion inclined so that the opening side is down, and the peripheral portions of the plurality of openings at the bottom of the main body housing are inclined so that the opening side is down The hand dryer according to claim 1, wherein the hand dryer is an inclined surface.

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