JPH05161507A - Hair dryer - Google Patents

Abstract

PURPOSE:To concentrate and disperse warm air blown off from an outlet 2 with a nozzle always attached without being removed. CONSTITUTION:A nozzle 18 is provided in front of an outlet 2. Shutters 20, 20 former, with one end opened wide and the other end opened narrowly always by an elastic body 19 are provided in the nozzle 18. A connecting plate 22 for widening the opening at the other end is interposed between the shutters 20. 20. A slide knob for operating the connecting plate 22 from the outside of a main body is provided.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a hair dryer.

[0002]

2. Description of the Related Art Nozzles have conventionally been attached to and detached from discharge ports in order to concentrate or disperse hot air by changing the area of the discharge ports.

Referring to the drawings, FIG. 11 is a sectional view of a conventional hair dryer, FIG. 12 is a side view of a nozzle attached to and detached from a discharge port of the hair dryer, and FIG. 13 is an external perspective view of another nozzle. This hair dryer is provided with a grip 113 on the outer side of a cylindrical body 101,
3 is provided with a switch knob 108 on the front side surface of the grip 1
13 is interlocked with the switch 107 provided inside.
The power cord 110 is pulled out from the end of the grip 113. Reference numeral 114 denotes a lock mechanism for folding the grip 113. Reference numeral 109 is a capacitor connected to both ends of the switch 107 for noise prevention, and 111 is a lead wire connecting the switch 107, the capacitor 109 and the like. Reference numeral 112 is a cord bushing provided at the end of the grip 113 to protect the power cord 110. Reference numeral 115 is a switch cover.

A motor 103 is built in the main body 101, and a motor cover 104 is provided on the outer periphery of the motor 103.
And a fan 105 is pivotally supported on the motor shaft 103a.

A bobbin 118 is provided on the outer periphery of the motor 103.
A heating element 117 having a heater 117a mounted thereon is mounted. A thermostat 119 and a sensor 120 for controlling hot air, a diode 116 for controlling the motor 103, and a triac 121 are attached to the bobbin 118.

A guard 122 is provided at the front discharge port 102 of the main body 101 so as not to touch the heating element 117. An intake port 106 is provided at the rear portion of the main body 101, and a guard 123 for preventing the inhalation of hair and the like is provided at the intake port 106.

Reference numeral 124 denotes a nozzle mounted on the front part of the main body 101 for concentrating the warm air blown out from the air outlet 102, and the opening area of the tip is narrower than the area of the air outlet 102 of the main body 101. .. This nozzle is detachably attached to the main body 101.

The nozzle 125 shown in FIG.
Means that the opening area of the tip of the nozzle is larger than the area of the ejection port 102.
Warm air is diffused.

[0009]

The hair dryer is mainly used when drying and styling the hair after washing, a large amount of air is blown during the drying, and it is more effective to disperse the hair.
Also, it is more effective to concentrate when styling hair. When hot air is dispersed, the nozzle is not attached or the nozzle with wide opening 1
I was wearing 25. Further, when concentrating, it is necessary to mount a nozzle 124 having a narrow opening and attach and detach the nozzle each time, which is troublesome. In addition, the removed nozzle was sometimes lost.

[0010]

In order to solve the above problems, a hair dryer according to the present invention has an intake opening at one end of a substantially cylindrical body and an air blowing opening at the other end. In a hair dryer having a blower fan, a blower fan rotation drive motor, and a blower heating mechanism in the main body, and a blower collecting / dispersing nozzle detachably provided in the blower opening. An opening is provided on two opposing surfaces, a shutter is provided to close the opening, one end of the shutter is rotatably supported, and an elastic body that is always closed by the shutter is provided between the shutters. Rotation means for intervening and rotating the shutter when the blown air is dispersed is provided, and an operation unit for operating the rotation means is provided on the main body.

Further, a switching mechanism for switching the heat generation amount of the heating mechanism is provided, and the switching mechanism and the rotating means are interlocked with each other.
Further, in a hair dryer having a detachable nozzle in an opening for blowing air, an opening is provided on two opposing surfaces of the nozzle, a shutter for closing the opening is provided, and one end of the shutter is rotatably attached to a shaft. An elastic body that is supported and is always opened by the shutter is mounted between the shutters, and a holding portion that holds the elastic body when the shutter is opened and closed is provided on the inner wall of the nozzle to close the shutter. The nozzle is provided with switching means for switching the state to the open state.

[0012]

When the hair dryer is constructed as described above and the hair is dried or the hair is conditioned, the area of the discharge port from which the warm air is blown out is adjusted by operating the operating means provided in the nozzle.

[0013]

Embodiments of the present invention will now be described in detail with reference to the drawings.

(First Embodiment) FIGS. 1 to 4 show a first embodiment of the present invention. In this hair dryer, a grip 7 is provided on the outer surface of a cylindrical main body 1, and a switch is provided on the front surface of the grip 7. A knob 8 is provided and is linked with a switch 24 provided inside the grip 7. A power cord 10 is pulled out from an end of the grip 7 via a cord bushing 12. Reference numeral 14 denotes a lock mechanism of the grip 7, which is for folding the grip 7 when the hair dryer is not used. A capacitor 9 is connected to both ends of the terminal of the switch 24 through the lead wire 11 to prevent noise. Reference numeral 15 denotes a switch cover, which displays the operating state of the switch knob 8 on the front surface.

A discharge port 2 for discharging hot air and cold air is provided at the front part of the main body 1, and a guard 2a is provided so that fingers and hair do not enter the inside of the main body 1.

Further, an intake port 6 for taking in outside air is provided at the rear part of the main body 1, and the intake port 6 is also provided with a guard 6a so as to prevent fingers and hair from entering the inside.

A motor 3 is built in the main body 1,
A motor cover 3a is mounted on the outer periphery of the motor 3, and a fan 5 is pivotally supported on the motor shaft 3b.

On the outer circumference of the motor 3, a heating element 27 having a heater 4 wound around a bobbin 27a is mounted.

The diode 16 attached to the bobbin 27a controls the rotation of the motor 3.

Reference numeral 17 denotes a micro switch which is interlocked with a connecting plate 22 which will be described later and which is turned on and off in accordance with the sliding of the connecting plate 22.

Reference numeral 18 denotes a nozzle attached to the discharge port 2 in the front part of the main body 1. The nozzle 18 has an opening equivalent to the discharge port 2 at one end, and has a tip at the inner circumference of the discharge port 2. A plurality of claws 18a that fit into the provided grooves 2b are provided.

The nozzle 18 is composed of four surfaces, and the other end of the nozzle 18 forms an opening 18b having a substantially rectangular shape. And two of the four surfaces that face each other 20, 20
Is rotatably supported on the other surface 20a, 20a about a shaft 21 as a fulcrum, and the openings 31, 31 are closed by an elastic body 19 which is always interposed between the two surfaces (hereinafter referred to as shutters) 20, 20. , The nozzle 18 has a substantially rectangular opening 18 at the tip.
Only b is formed.

Reference numeral 22 denotes a connecting plate provided between the shutters 20 and 20, one end of which is in contact with the shutters 20 and 20, and the other end of which is a micro switch 17 provided inside the main body 1.
When the shutters 20 and 20 are in a closed state, the micro switch 17 is in a normally open state.

The connecting plate 22 is connected to a knob 23 provided on the side surface of the main body 1, and the knob 23 is attached so as to slide back and forth on the side surface of the main body 1. The connecting plate 22 slides back and forth in conjunction with.

Now, when the knob 23 is positioned on the rear side of the main body 1, the state of the connecting plate 22 and the shutters 20, 20 is maintained as shown in FIG. When the knob 23 is slid to the front side of the main body 1, the connecting plate 22 also slides in the direction of arrow A as shown in FIG. 2, and the tips of the connecting plate 22 cause the shutters 20, 20 to rotate in the direction of arrow A with the shaft 21 as a fulcrum. At the same time, the elastic body 19 is compressed to open the openings 31, 31, and the openings 18b, 31, 31 are formed as air discharge ports.

When closing the openings 31, 31, if the knob 23 is slid in the opposite direction, the connecting plate 22 also slides in the direction of arrow B. When the connecting plate 22 slides in the direction of the arrow B, the shutters 20, 20 are constantly urged by the elastic body 19, and therefore rotate about the shaft 21 in the direction of closing the openings 31, 31. (Direction of arrow B).

When the connecting plate 22 is in the state shown in FIG.
Since the connecting plate 22 is separated from the micro switch 17, the micro switch is turned on.

Since the sliding structure of the knob 23 and the like are well known in the art, detailed description thereof will be omitted. Next, the operation of the hair dryer of the present invention will be described with reference to FIG. 5. When the power cord 10 is connected to an outlet (not shown) and the switch knob 8 is slid to energize the motor 3 and the heater 4, the fan 5 rotates to cool the outside air. Is taken in from the rear of the intake port 6, passes through the heated heater 4, and hot air is discharged from the nozzle 18 through the discharge port 2.

Now, in order to concentrate and use warm air to condition the hair, when the connecting plate 22 is in the state shown in FIG.
The shutters 20, 20 open only the opening 18b of the nozzle 18, and the concentrated warm air is discharged from the opening 18b. At this time, the relationship between the connecting plate 22 and the micro switch 17 is such that the micro switch 17 is normally open as described above, so that the heater 4 is controlled by the diode 16 so that the power consumption of the heater 4 is reduced and the hair styling is performed. The air velocity, the air volume, and the warm air suitable for the air are discharged from the nozzle 18.

Next, when used for drying, the knob 2 is used.
When 3 is slid, the connecting plate 22 slides as shown in FIG. 2 to rotate the shutters 20 and 20,
The openings 18b, 31, 31 are formed in the nozzle 18, and the warm air is discharged and dispersed from these openings to have an air volume suitable for drying.

At this time, the relationship between the connecting plate 22 and the micro switch 17 is as described above.
Is ON, the amount of heat generated by the heater 4 is maximum, and the air volume and warm air suitable for drying are discharged from the nozzle 18.

(Second Embodiment) FIG. 6 is a sectional view of a nozzle according to a second embodiment of the present invention, FIG. 7 is a partially cutaway side view of the same, and FIG.
Is also a front view, and FIG. 9 is a diagram similarly illustrating the operation of the nozzle. The main body of the hair dryer equipped with the nozzle of the present invention has the same structure as that of the first embodiment except that the connecting plate 22, the slide knob 23 and the micro switch 17 are not provided. Detailed description of the side is omitted.

The nozzle 41 of the present invention is the main body 1 of the hair dryer.
Which is attached to the discharge port 2 at the front of the
Has the same opening as the discharge port 2, and the discharge port 2 is provided at the tip.
A plurality of claws 41a that fit into the grooves 2a provided on the inner circumference of the are provided.

The nozzle 41 is composed of four surfaces, and the other end of the nozzle 41 forms a substantially rectangular opening 41b. And the two opposite sides 42, 42 of the four sides
Is rotatably supported on the other surface 42a, 42a about a shaft 46 as a fulcrum, and an elastic body 43 is always interposed between the two surfaces (hereinafter referred to as a shutter) 42, 42 so that the upper and lower openings 50, 5 are formed.
0 is open.

The elastic body 43 has a coil spring 43a at the center, and a winding start 43b and a winding end 4b.
3c has a predetermined angle and spreads toward the end, and both ends of the winding start 43b and the winding end 43c are bent in a substantially L shape. The bent portions 43 'and 43' are the shutter 4
The bearings 49, 49 provided on the inner surfaces of the shafts 2, 42 are axially supported, and the shutters 42, 42 are always open.

FIG. 6 is a diagram in which the elastic body 43 is attached to the shutters 42, 42, and the shutters 42, 42 are pivotally supported by the nozzle 41 by the shaft 46. When the shutters 42, 42 are closed in this state, the shutters 42, 42 are set as shown by the solid line in FIG. 10 when a force is applied in the direction of arrow C by sandwiching both ends of the shutters 42, 42 with fingers.

The principle of operation in which the shutters 42, 42 are set in the state shown in FIG. 10 is that the inner surface of one of the surfaces 41c, 41c of the shutters 42, 42 constituting the nozzle 41 is on the elastic body 43 side. When the shutters 42, 42 are opened on the surfaces, the ribs 51 are provided in abutment with the spring portions 43a of the elastic body 43, and the spring portions 43a are held when the shutters 42, 42 are closed. Guide ribs 53 that are guided with the ribs 52 are provided in parallel.

Further, 44 is a push button provided on the side surface of the nozzle 41, that is, on the side where the elastic body 43 is located, and is constantly urged outward by a spring 47. Reference numeral 45 denotes a pin that prevents the push button 44 from coming off the hole 41c provided in the nozzle 41, and is inserted into the hole provided in the push button 44.

As shown in FIG. 8, the rib 52 is horizontally formed at the tip end side 52a of the nozzle 41 so that the spring portion 43a is placed, and the opposite side, that is, the push button 44 side, is an inclined surface from the middle. 52b.

The rib 53 is provided for guiding the spring 43a to a fixed position when the shutter 42 is closed. The height is equal to or higher than the apex of the inclined surface 52a of the rib 53. desirable. The width is not particularly limited as long as it has the winding diameter of the spring portion 43a.

As described above, the spring portion 43a and the rib 5
2. Since the guide ribs 53 are configured, when the shutters 42, 42 are now closed, the spring portions 43a also slide on the slide inclined surface 52a while contacting the ribs 52, and the shutters 42, 42 are closed. In the state, one end of the spring portion 43a passes through the inclined surface 52a and falls to the push button 44 side. Spring part 4
The other end of 3a is still mounted on the inclined surface 52a, but one end is lower than the inclined surface, and the rising portion of the rib 52 serves as a stopper to stop the movement of the elastic body 43. Therefore, the shutters 42, 42 are kept in the closed state.

When the shutters 42, 42 are opened, the push button 44 is pushed to push the spring portion 43a located on the push button 44, and the ribs 52, 52 are pushed.
The shutter 42 is released from the state of being held by, and the elastic force of the elastic body 43 exerts an outward biasing force to open the shutters 42, 42 with the shaft 46 as a fulcrum.

As described above, when the shutters 42 and 42 are closed, both ends of the shutters 42 and 42 are closed, and when the shutters 42 and 42 are opened, only the push button 44 is pushed.

Although the second embodiment of the present invention has the above-mentioned structure, the operation as a hair dryer is as follows.
Similar to the description in the first embodiment, the only difference is that the heat generation amount is not switched because it is not interlocked with the micro switch. Therefore, detailed description of the operation is omitted.

[0045]

Since the present invention is configured as described above, it has the following effects. Concentrate warm air with the nozzle attached to the hair dryer body,
Dispersion is possible, eliminating the need to attach and detach nozzles one by one. When the means for opening and closing the shutter of the nozzle and the switch provided on the hair dryer main body are linked together, the warm air having the air volume, wind speed, and temperature suitable for the respective purposes of hot air concentration and dispersion can be obtained. Obtainable.

[Brief description of drawings]

FIG. 1 is a sectional view of a hair dryer according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the nozzle portion with the shutter open.

FIG. 3 is a front view of the nozzle portion of FIG.

FIG. 4 is a partially cutaway front view of the discharge port from which the nozzle is also removed.

FIG. 5 is a similar electric circuit diagram.

FIG. 6 is a sectional view of a nozzle according to a second embodiment of the present invention.

FIG. 7 is a partially cutaway side view of the same.

FIG. 8 is an enlarged view of a main part of FIG.

FIG. 9 is likewise a front view of the nozzle, with one shutter open.

FIG. 10 is a side view for explaining opening and closing of the shutter.

FIG. 11 is a cross-sectional view of a conventional hair dryer.

FIG. 12 is a side view of the same nozzle.

FIG. 13 is a perspective view showing the appearance of another nozzle.

[Explanation of symbols]

 1 Main Body 2 Discharge Port 3 Motor 4 Heater 5 Fan 17 Micro Switch 8,41 Nozzle 19,43 Elastic Body 20,42 Shatter 22 Continuous Plate 23 Slide Knob 44 Push Button

Claims (3)

[Claims] 1. A blower fan and a blower fan rotation drive motor in the main body, which has an intake opening at one end of the main body and has a blower opening at the other end of the main body. In a hair dryer having a blower heating mechanism and detachably equipped with a nozzle for collecting and dispersing air in the blowing opening, an opening is provided on two opposite surfaces of the nozzle, and a shutter for closing the opening is provided. An end portion of the shutter is rotatably supported, and an elastic member that constantly closes the opening is interposed between the shutters by the shutter, and a rotating unit that rotates the shutter when air is dispersed is provided. ,
A hair dryer, wherein the main body is provided with an operation section for operating the rotating means. 2. The hair dryer according to claim 1, further comprising a switching mechanism for switching the heat generation amount of the heating mechanism, and the switching mechanism and the rotating means are interlocked with each other. 3. A hair dryer having a detachable nozzle in a blower opening, wherein an opening is provided on two opposing surfaces of the nozzle, and a shutter for closing the opening is provided.
One end of the shutter is rotatably rotatably supported, an elastic body that is constantly opened by the shutter is attached between the shutters, and a holding portion that holds the elastic body when the shutter is opened and closed is provided. A hair dryer, characterized in that switching means for switching the closed state of the shutter to the open state is provided on the inner wall of the nozzle, and is provided on the nozzle.