Curling iron

Abstract

To provide a curling iron capable of caring for hair while minimizing damage on the hair.SOLUTION: According to one embodiment of the present invention, a curling iron is provided. The curling iron comprises a grip part which is constituted to be held by a user, and an iron part which is provided on the tip side of the grip part and which is used when hair is curled by being wound around it. The iron part has a cylindrical body, and a pair of electrodes which are provided in opposed positions on a peripheral surface of the body and which are exposed from the body.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a hair iron. [Background technology]

[0002] 2. Description of the Related Art Conventionally, hair irons are known that curl hair by wrapping the hair around a curved surface of a cylindrical heating element (see Patent Document 1). However, when using such a hair iron, damage to the hair due to heat cannot be avoided. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2022-046204 Summary of the Invention [Problem to be solved by the invention]

[0004] In view of the above circumstances, the present invention aims to provide a hair iron that can care for hair while minimizing damage to the hair. [Means for solving the problem]

[0005] According to one aspect of the present invention, there is provided a hair iron. The hair iron includes a grip portion configured to be held by a user, and an iron portion provided at the tip of the grip portion and used for wrapping and curling hair. The iron portion has a cylindrical main body and a pair of electrodes provided at opposing positions on the circumferential surface of the main body and exposed from the main body.

[0006] According to this aspect, a hair iron that can care for hair while minimizing damage to the hair can be provided. [Brief description of the drawings]

[0007] [Figure 1]FIG. [Diagram 2] 11 is a perspective view showing a state in which the tip side of the pressing plate is lifted. FIG. [Diagram 3] FIG. [Figure 4] FIG. [Diagram 5] This is a view of the iron part from the tip side (+X direction in the figure) with the cap removed. [Figure 6] FIG. 11 is an external perspective view of a hair iron according to a first modified example. [Figure 7] FIG. 11 is an external perspective view of a hair iron according to a first modified example. [Figure 8] This is a view of the iron part from the tip side (+X direction in the figure) with the cap removed. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. Various characteristic features shown in the following embodiments can be combined with each other.

[0009] A hair iron according to one embodiment of the present disclosure will be described with reference to Figs. 1 to 5. Fig. 1 is a perspective view of the hair iron. Fig. 2 is a perspective view showing a state in which the tip side of the presser plate is lifted. Figs. 3 and 4 are exploded perspective views of the hair iron. Fig. 5 is a view of the iron unit from the tip side (+X direction in the figure) with the cap removed. In Fig. 5, configuration other than the iron unit is omitted.

[0010] In the following description, a good thermal conductor refers to a material with high thermal conductivity, such as aluminum, copper, graphite sheet, aluminum nitride, etc. A poor thermal conductor refers to a material with low thermal conductivity, such as polyethylene terephthalate, polycarbonate, ABS resin, etc.

[0011] 1, the hair iron 1 includes a grip portion 2, an iron portion 3, and a presser portion 4. The hair iron 1 further includes a cap 6 and a power supply portion . The hair iron 1 can curl hair, for example, by wrapping hair around the iron unit 3 while the iron unit 3 is heated.

[0012] The cap 6 is disposed on the tip side (+X side in the figure) of the hair iron 1 and is made of a poor thermal conductor. This allows the user to hold both the grip part 2 and the cap 6, so that the user can stably style the hair even if the user does not hold the grip part 2 with sufficient strength.

[0013] The grip portion 2 is configured to be held by a user. As shown in FIG. 2, the grip portion 2 includes a grip body 21, an operation portion 22, and legs 23. The grip portion 2 (grip body 21) also includes wiring, a board, and the like (not shown) therein. The grip portion 2 is made of a poor thermal conductor to prevent heat from the iron portion 3 from being transferred to the user's hand or the wiring and board, and the like, inside the grip body 2.

[0014] The grip body 21 has an elongated shape so that it is easy for the user to grip, and is formed so that the tip side (+X side in the figure) is thicker than the base end side (-X side in the figure). The surface of the grip body 21 may further be covered with a sheet having a cushioning function and / or an anti-slip function. This allows the user to grip the grip body 21 more stably. The operation unit 22 includes a power button 221 and a temperature adjustment button 222 that are operated by the user. The operation unit 22 also includes a display panel 223 that displays the temperature of the iron unit 3.

[0015] The legs 23 are convex parts formed on the opposite side of the pressing part 4 of the hair iron 1 (the -Y side in the figure). The legs 23 function as a support mechanism together with the cap 6. When the hair iron 1 is placed on a desk or the like with the pressing part 4 on the upper side, the legs 23 and the cap 6 come into contact with the desk or the like and can support the entire hair iron 1. At this time, since the iron part 3 can be prevented from touching the desk or the like, the hair iron 1 can be placed on the desk or the like even when the iron part 3 is in a hot state. In addition, since the legs 23 are formed on the opposite side of the pressing part 4, the pressing part 4 is unlikely to get in the way when the hair iron 1 is placed on the desk or the like.

[0016] The part constituting the support mechanism together with the legs 23 may be the base end part (base end) of the grip body 21 (-X side in the figure) instead of the tip-side cap 6. In this case, if a weight is provided inside or outside the base end of the grip body 21, the legs 23 and the base end of the grip body 21 can stably support the entire hair iron 1 when the hair iron 1 is placed on a desk or the like. At this time, the tip side (+X side in the figure) of the iron unit 3 is lifted obliquely upward against gravity, which can prevent the iron unit 3 from touching the desk or the like.

[0017] A power supply unit 7 is attached to the base end side (-X side in the figure) of the grip body 21. When the power supply unit 7 is connected to a power source (not shown), it supplies electric energy to the hair iron 1. The electric energy supplied by the power supply unit 7 is supplied to each part via wiring (not shown) inside the grip body 21.

[0018] The iron unit 3 is provided on the tip side (+X side in the figure) of the grip unit 2, and is used to wrap and curl hair. As shown in Fig. 5, the iron unit 3 has an iron main body (main body) 31, a pair of electrodes 32, and a pair of heaters 38. The iron body 31 is formed in a cylindrical shape so that the user's hair can be wrapped around it to curl it. The iron body 31 is made of a good thermal conductor, so that the heat generated by the heater 38 can be efficiently transferred to the hair wrapped around the iron body 31.

[0019] The pair of electrodes 32 are provided at opposing positions on the circumferential surface of the iron body 31, specifically, at opposing positions on the sides (+Z side and -Z side in the figure) of the iron body 31 when the presser part 4 side is upward (+Y side in the figure). The pair of electrodes 32 are exposed from the iron body 31. Therefore, the hair wrapped around the iron body 31 can be touched with the electrodes 32 at each side position. Since the exposed surface of each electrode 32 is formed as a curved surface, unevenness is unlikely to occur in the curl shape of the hair wrapped around the iron body 31.

[0020] Each electrode 32 is long and is provided along the longitudinal direction (X direction in the figure) of the iron body 31. This allows the user to reliably bring the hair into contact with both electrodes 32 even if the user has short hair, as long as the hair is wrapped around only half the circumference of the iron body 31.

[0021] A contact point 321 is in contact with the inner surface of each electrode 32. A wiring 322, which is connected to a wiring (not shown) inside the grip body 21, is connected to each contact point 321. An electric charge (current) flows in or out of each electrode 32 via the contact point 321 and the wiring 322.

[0022] Each electrode 32 has the function of introducing and emitting ions to and from the hair. Specifically, when hair is wrapped around the iron body 31, i.e., when the hair is in contact with each electrode 32, a pulsed current is passed through the electrodes 32, and ions are introduced and released from the electrodes 32 to the hair. This ionizes the beauty ingredients contained in the hair treatment, etc., allowing them to fully penetrate the hair. It also has the effect of absorbing dirt from the charged hair.

[0023] An electrode holder 33 is disposed between each electrode 32 and the iron body 31. The electrode holder 33 is made of a poor thermal conductor, and can prevent the electrodes 32 from being overheated by the heat transmitted from the iron body 31. Each electrode 32 is fixed in the up-down direction (Y direction in the figure) and left-right direction (Z direction in the figure) by being inserted from the tip end side (+X side in the figure) or base end side (-X side in the figure) into an electrode holder 33 fixed to the iron body 31 with a screw (not shown). A cap 6 is fixed to the tip end side (+X side in the figure) of each electrode 32, and a grip part 2 is fixed to the base end side (-X side in the figure) of each electrode 32, respectively, to the iron body 31. This prevents each electrode 32 from falling off the iron body 31 in each direction.

[0024] The pair of heaters 38 generate heat by electric energy supplied via the power supply unit 7. The pair of heaters 38 are provided inside the iron body 31 and facing each other on the inside of the pair of electrodes 32. This arrangement is more effective in preventing the hair held between the iron body 31 and the presser plate 41 (presser unit 4) from being overheated than when the heaters 38 are provided inside the iron body 31 on the presser unit 4 side (upper, +Y side in the figure). In other words, damage to the hair caused by heat and moisture loss can be suppressed.

[0025] Each heater 38 is long and is provided along the longitudinal direction (Y direction in the figure) of the iron body (main body) 31. A heater presser 381 is provided inside each heater 38 to prevent the heater 38 from separating from the iron body 31. By providing two heaters 38 in this way, heat can be easily transferred quickly and uniformly to the entire iron body 31. This enables the user to achieve the desired styling while reducing stress caused by a long wait time until the iron can be used.

[0026] Each heater 38 has a heating element (not shown) and an insulator that covers the heating element. Each heater 38 is preferably made of an insulator mainly composed of aluminum oxide, in which case each heater 38 is also called a metal ceramic heater (MCH). The heater used as the heat source for the hair iron is generally made of an insulator mainly composed of barium titanate. However, this type of heater has a characteristic that the current flow becomes difficult when it is heated to a certain temperature, so it is relatively difficult to control the temperature efficiently and linearly.

[0027] On the other hand, when the heater 38 has an insulator mainly composed of aluminum oxide, the ease of current flow is less likely to decrease (resistance value increases) even when the temperature is increased, allowing for highly efficient and linear temperature control, which allows the user to more quickly start styling at the desired temperature. A similar effect can be expected with a heater having an insulator mainly composed of zirconium dioxide instead of aluminum oxide.

[0028] The iron unit 3 further has a thermal fuse 39. The thermal fuse 39 has a thermal fuse body 391 and a lead wire 392. The thermal fuse body 391 is in contact with the inside of the iron body 31. A wiring (not shown) is connected to the lead wire 392, and extends inside the grip body 21. If the iron body 31 overheats, the power supply is cut off in the thermal fuse body 391, and no more current flows to the heater 38. In this way, overheating of the iron body 31 by the heater 38 is forcibly stopped, thereby preventing accidents such as fires.

[0029] The iron unit 3 further has a temperature sensor 310. The temperature sensor 310 is in contact with the inside of the iron body 31. A wire (not shown) is connected to the base end side (-X side in the figure) of the temperature sensor 310 and extends inside the grip body 21. The temperature of the iron body 31 detected by the temperature sensor 310 is displayed on the display panel 223 of the grip unit 2. The temperature sensor is preferably an NTC (Negative Temperature Coefficient) thermistor, which is capable of easily detecting minute temperature changes, and allows the user to know with high accuracy via the display panel 223 whether the iron body 31 is at a desired temperature.

[0030] The iron unit 3 further has a light-emitting unit 34. By shining light emitted by the light-emitting unit 34 on the scalp, it is possible to expect hair growth effects and hair-beautifying effects by activating scalp cells. As shown in FIG. 4, the light-emitting unit 34 is provided at a position above the iron main body 31 (the +Y side in the figure) when the pressing unit 4 side is at the top (the +Y side in the figure). As shown in FIG. 5, the light-emitting unit 34 is separated from the heater 38, so that it is possible to prevent the light-emitting unit 34 from breaking down due to heat generated by the heater 38.

[0031] The light emitting unit 34 has an LED (light emitting element) 341, an LED holder (support) 342 that supports the LED 341, and an LED cover (support) 343. The LED 341 is preferably a red LED that emits light with a wavelength of 615 nm or more and 655 nm or less. Note that a halogen lamp may be used as the light emitting element instead of the LED 341. 3, a plurality of LEDs 341 (three in this embodiment) are provided on the LED holder 342 along the longitudinal direction (X direction in the figure) of the iron body 31. This arrangement makes it easy to apply light from the LEDs 341 to a wide area of ​​the hair.

[0032] The LED holder 342 is fixed to the LED cover 343 by screws 344. By supporting the LED 341 from above and below (Y direction in the figure), the LED 341 and necessary wiring can be stably held. In addition, since the LED holder 342 and the LED cover 343 are made of poor thermal conductors, it is possible to prevent excessive heat from the iron body 31 from being transferred to the LED 341 and wiring. The LED cover 343 has an opening 3431 through which the light emitted by the LED 341 passes.

[0033] The iron unit 3 further has a spring cushion (biasing member) 36 that biases the light-emitting unit 34 upward (toward the +Y side in the figure) from the iron body 31. The spring cushion 36 fits into a spring groove 3422 formed in the LED holder 342, as shown in FIG.

[0034] As described later, when the user's hair is clamped between the iron body 31 and the presser plate 41 (presser section 4), and the presser plate 41 presses the hair toward the iron body 31, this pressing force acts on the LED cover 343 before acting on the iron body 31. This causes the spring cushion 36 to contract, and the LED holder 342 to sink downward (to the -Y side in the figure). This makes it possible to prevent damage to the hair caused by being crushed between the presser plate 41 and the iron body 31.

[0035] The iron unit 3 further includes a silicone cushion 35 provided above the light-emitting unit 34 on the iron body 31. The silicone cushion 35 is a stress relief member having a sheet-like shape. The silicone cushion 35 has an effect of diffusing the light emitted by the LED 341, so that the light can be applied evenly to a wide area of ​​the hair wrapped around the iron body 31.

[0036] The silicone cushion 35 is fixed to the light emitting unit 34 by a silicone cushion holder (fixing member) 37. The silicone cushion holder 37 is made of a good thermal conductor, and therefore can effectively transfer heat from the iron body 31 to the hair. The silicone cushion holder 37 also has an opening (opening) 371 through which the light emitted by the light-emitting unit 34 can pass. This allows the light emitted by the LED 341 of the light-emitting unit 34 and transmitted through the silicone cushion 35 to be directed at the hair held between the iron body 31 and the presser plate 41.

[0037] The silicone cushion 35 is fitted under the silicone cushion holder 37 (-Y side in the figure). The silicone cushion holder 37 has a plurality of fixing legs 372 (six in this embodiment), and the fixing legs 372 penetrate the same number of fixing holes 3421 provided in the LED holder 342. A fixing claw 3721 wider than the fixing hole 3421 is formed at the tip of the fixing leg 372. When the fixing leg 372 is inserted into the fixing hole 3421, the fixing claw 3721 is caught on the opening edge of the fixing hole 3421, so that the fixing leg 372 does not easily come out of the fixing hole 3421. Therefore, even if the spring cushion 36 shrinks and the LED holder 342 sinks downward (-Y side in the figure) or the silicone cushion holder 37 moves (displaces) upward (+Y side in the figure) due to an impact or the like, the position of the silicone cushion holder 37 with respect to the LED holder 342 does not change significantly.

[0038] On the other hand, the upper side (+Y side in the figure) of the tip of the fixing leg 372 is formed with a shaft portion 3722 that is narrower than the fixing hole 3421. Therefore, the silicone cushion holder 37 can be displaced in the vertical direction (Z direction in the figure) by the length of the shaft portion 3722 relative to the LED holder 342. As shown in FIG. 5, the silicone cushion 35 and the silicone cushion holder 37 protrude from an opening 311 provided in the iron body 31 and are located slightly above (on the +Y side in the figure) the upper surface of the iron body 31.

[0039] Therefore, when the hair is pressed against the iron body 31 by the presser plate 41, the pressed hair comes into contact with the silicone cushion holder 37 and transmits the pressing force. Then, the silicone cushion holder 37 can sink slightly toward the LED holder 342 (the -Y side in the figure) while crushing the silicone cushion 35. This makes it possible to more reliably prevent damage to the hair caused by being crushed.

[0040] When the silicone cushion holder 37 is displaced by the length of the shaft 3722 of the fixed leg 372, it comes into contact with the LED holder 342 and cannot be displaced any further relative to the LED holder 342. Therefore, the pressing force acts on the LED holder 342 and the spring cushion 36 arranged below it. At this time, the spring cushion 36 contracts, causing the light emitting unit 34 including the LED holder 342, the silicone cushion 35, and the silicone cushion holder 37 to sink downward. At this time, when the spring cushion 36 is fully compressed, the outer circumferential surface of the silicone cushion holder 37 and the outer circumferential surface of the iron body 31 are substantially aligned with each other.

[0041] That is, with the hair iron 1, before the hair is crushed between the iron body 31 and the presser plate 41, the force with which the presser plate 41 presses the hair against the iron body 31 is reduced by both the spring cushion 36 and the silicone cushion 35. This effectively prevents damage to the hair from being crushed.

[0042] Instead of being fixed to the LED holder 342 by the silicone cushion holder 37, the silicone cushion 35 may be fixed to the LED cover 343 by a light-transmitting adhesive. The iron unit 3 may have another elastic cushion as the stress relaxation member instead of the silicone cushion 35. The shape of the stress relaxation member is not limited to a sheet shape, and may be, for example, a block shape (spherical, rectangular, etc.). In this case, as the stress relaxation member, a plurality of silicone blocks may be fixed to the LED holder 342 by, for example, a fixing member or adhesive.

[0043] In addition to or instead of the silicone cushion 35 and the silicone cushion holder 37, a silicone cushion (stress relief member) may be provided on the surface of the presser plate 41 of the presser part 4 facing the iron part 3. In this case, the silicone cushion can be fixed to the presser plate 41 by bonding with an adhesive, fusing (thermal fusing, ultrasonic fusing, high-frequency fusing), or the like. Also, a silicone cushion and a silicone cushion holder may be provided on the surface of the presser plate 41 facing the iron part 3.

[0044] The pressing unit 4 functions as a hair holding mechanism for holding the hair wound around the iron body 31. The pressing unit 4 includes a pressing plate 41 and a finger rest 42, as shown in FIG. The pressing plate 41 is a plate-like member that is provided so as to be movable toward and away from the iron unit 3 and is configured to press the hair wrapped around the iron unit 3 toward the iron unit 3. The hair can be curled by clamping the user's hair between the iron body 31 and the pressing plate 41 or by wrapping the hair around the iron body 31. As described above, the light-emitting unit 34 is provided at a position above the iron body 31 (the +Y side in the figure), so that when the hair is clamped between the iron body 31 and the pressing plate 41, the light from the light-emitting unit 34 can be effectively directed at the hair. In addition, the presser plate 41 is made of a good thermal conductor, and therefore can effectively transfer heat from the iron body 31 to the hair.

[0045] The finger rest 42 is a portion on which the user places his / her fingers, palm, etc., to move the pressure plate 41 toward and away from the iron unit 3. In addition, a plurality of projections or grooves (unevenness) for preventing slipping are formed on the outer peripheral surface of the finger rest 42. The finger rest 42 is attached to the grip unit 2 so as to be rotatable in the XY plane in the figure. When the finger rest 42 is pressed downward (to the -Y side in the figure), the tip side of the pressure plate 41 can be moved upward (to the +Y side in the figure) (see FIG. 2). That is, the pressure plate 41 can be moved away from the iron unit 3. In addition, the finger rest 42 is biased upward (to the +Y side in the figure) by a spring (not shown). As a result, when the force pressing the finger rest 42 downward (to the -Y side in the figure) is removed, the finger rest 42 moves upward (to the +Y side in the figure), and the pressure plate 41 fixed to the finger rest 42 moves downward (to the -Y side in the figure). That is, the presser plate 41 can be brought closer to the iron section 3.

[0046] Therefore, by the user pressing down on the finger rest 42, the hair can be placed between the iron body 31 and the pressure plate 41, and by removing the pressing force, the hair can be clamped between the iron body 31 and the pressure plate 41.

[0047] The presser plate 41 has an opening (opening) 411 penetrating in the thickness direction. The opening 411 is formed to correspond to the opening 371 of the silicone cushion holder 37, that is, to allow the light emitted by the LED 341 to pass through. Therefore, even if the hair is not sandwiched between the iron body 31 and the presser plate 41 and the hair is wrapped around the iron body 31 and the presser plate 41, the light emitted by the LED 341 can be applied to the hair. Furthermore, when hair is clamped between the iron body 31 and the presser plate 41 and heat is applied to the hair, water vapor generated by the hair can be released from the openings 411. This prevents the clamped hair from becoming too hot.

[0048] The hair iron 1 described above can care for the hair while minimizing damage to the hair.

[0049] Below, we will explain each modified example of the hair iron 1 according to the present disclosure, but we will focus on the differences from the above configuration example and omit a description of similar points.

[0050] (Variation 1) Fig. 6 is an external perspective view of the hair iron according to Modification 1. Fig. 7 is an external perspective view of the hair iron according to Modification 1. Fig. 8 is a view of the iron unit from the tip side (+X direction in the figure) with the cap removed. In Fig. 8, configuration other than the iron unit is omitted. Variation 1 of the hair iron 1 has the following differences, but is otherwise similar to the above example configuration.

[0051] That is, as shown in Fig. 6, the hair iron 1 does not have the pressing part 4, but instead has a suction part as a hair holding mechanism. This suction part has an intake port 312, a fan part (not shown), and an exhaust port (not shown). As shown in Figs. 7 and 8, the intake port 312 is provided in the iron body 31. In addition, the fan part is provided, for example, inside the grip body 21, and the exhaust port is formed to connect the inside and outside of the grip body 21.

[0052] When the user presses the suction button 224 provided on the operation part 22 of the grip part 2 while wrapping hair around the iron body 31, the fan part (not shown) is activated, sucking air into the iron body 31 from the suction port 312 and discharging air from the exhaust port. At this time, the user's hair wrapped around the iron body 31 is sucked onto the outer circumferential surface of the iron body 31 by the flow of air sucked into the iron body 31. Therefore, even if the hair iron 1 does not have the pressing part 4, the hair can be wrapped and held around the outer circumferential surface of the iron body 31. Therefore, the user does not need to press down on the finger rest 42 frequently, which can prevent the user from losing balance when holding the grip portion 2 or feeling fatigue in the fingers due to pressing down on the finger rest 42.

[0053] The iron body 31 may have multiple suction ports 312. In this case, the hair can be sucked in at multiple points, allowing for more stable styling. In addition, the multiple suction ports 312 can distribute the force of sucking the hair, reducing damage to the hair.

[0054] In the first modification, the hair iron 1 does not have the pressing portion 4, so the hair is less likely to be damaged by being crushed. Therefore, the silicone cushion 35, the silicone cushion holder 37, and the spring cushion 36 are omitted from the iron body 31.

[0055] 6, in the iron body 31, an LED cover 343 is exposed from the opening 311, instead of the silicone cushion 35 and the silicone cushion holder 37. The LED cover 343 has a light-transmitting cover 3432, and is configured to protect the LEDs 341 while allowing light emitted by the LEDs 341 to pass through. As shown in FIG. 8, the LED holder 342 is supported directly by the iron body 31 without the spring cushion .

[0056] In this way, according to the first modification, a hair iron 1 can be provided that can reduce the fatigue of the user and suppress damage to the hair.

[0057] (Variation 2) Variation 2 of the hair iron 1 has the following differences, but is otherwise similar to the above example configuration.

[0058] That is, the hair iron 1 has a brush part as a hair holding mechanism instead of the pressing part 4. The brush part is provided over a wide area of ​​the outer circumferential surface of the iron body 31, and has a plurality of brushes (projections) that protrude in the radial direction of the iron body 31. The brush part is made of a poor thermal conductor.

[0059] When the user wraps hair around the iron body 31, the hair fits between the brushes of the brush section and can be held in a wrapped state. The user can hold the hair in a wrapped state more stably by placing the hand that is not holding the grip body 21 on top of the brushes of the brush section. At this time, even if the iron body 31 is heated, the tips of the brushes of the brush section are unlikely to become hot, so the user's hands and other parts can be prevented from being exposed to high temperatures. Depending on the user, styling may be more intuitively performed by holding the hair with a brush rather than clamping the hair between the pressing portion 4 and the iron body 31.

[0060] As in the first modification, the hair iron 1 does not have a pressing part 4, so the hair is less likely to be damaged by being crushed. Therefore, the silicone cushion 35, the silicone cushion holder 37, and the spring cushion 36 are omitted from the iron body 31. The configuration of the light-emitting part 34 can be the same as that of the first modification.

[0061] In this way, according to the second modification, it is possible to provide a hair iron 1 that allows intuitive styling while suppressing damage to hair.

[0062] Furthermore, it may be provided in the following aspects:

[0063] (1) A hair iron comprising: a grip portion configured to be held by a user; and an iron portion provided at the tip of the grip portion and used to wrap and curl hair, the iron portion having a cylindrical main body and a pair of electrodes provided at opposing positions on the circumferential surface of the main body and exposed from the main body.

[0064] (2) The hair iron according to (1) above, wherein each of the electrodes is elongated and arranged along the longitudinal direction of the main body.

[0065] (3) The hair iron according to (1) or (2) above, wherein each of the electrodes has a function of introducing and emitting ions to and from the hair.

[0066] (4) In the hair iron described in any one of (1) to (3) above, the iron section further has a pair of heaters located inside the main body and facing each other on the inside of each of the pair of electrodes.

[0067] (5) The hair iron according to (4) above, wherein each of the heaters is elongated and arranged along the longitudinal direction of the main body.

[0068] (6) In the hair iron described in (4) or (5) above, each of the heaters has a heating element and an insulator covering the heating element, and the insulator is composed mainly of aluminum oxide.

[0069] (7) In the hair iron described in any one of (1) to (6) above, the hair iron further includes a plate-shaped pressing portion that is movable toward and away from the iron portion and is configured to press the hair wrapped around the iron portion toward the iron portion, and the pressing portion has an opening that penetrates in its thickness direction.

[0070] (8) A hair iron comprising: a grip portion configured to be held by a user; an iron portion provided at the tip of the grip portion and used when wrapping hair around the iron portion to curl it; and a plate-shaped pressing portion configured to be able to move toward and away from the iron portion and to press the hair wrapped around the iron portion toward the iron portion, wherein the iron portion has a cylindrical body and the pressing portion has an opening that penetrates through its thickness.

[0071] (9) In the hair iron described in (7) or (8) above, the iron section further has a light-emitting section provided at the upper position of the main body when the pressing section side is at the top, and is configured so that when the pressing section is brought close to the main body, light emitted by the light-emitting section passes through the opening.

[0072] (10) In the hair iron described in any one of (1) to (8) above, the hair iron further includes a plate-shaped pressing section that is movable toward and away from the iron section and configured to press the hair wrapped around the iron section toward the iron section, and the iron section further includes a light-emitting section that is provided at the upper position of the main body when the pressing section side is positioned upward.

[0073] (11) The hair iron according to (10) above, wherein the light-emitting section has a light-emitting element and a support body that supports the light-emitting element.

[0074] (12) The hair iron according to (11) above, wherein a plurality of the light-emitting elements are provided along the longitudinal direction of the main body.

[0075] (13) In the hair iron according to any one of (10) to (12) above, the iron section further includes a biasing member that biases the light-emitting section in the upward direction from the main body.

[0076] (14) The hair iron according to any one of (10) to (13) above, wherein the iron section further includes a stress relaxation member provided on the main body above the light-emitting section.

[0077] (15) In the hair iron described in (14) above, the iron section further has a fixing member that fixes the stress relaxation member to the light-emitting section and has an opening through which light emitted by the light-emitting section can pass.

[0078] (16) In the hair iron described in any one of (1) to (15) above, the hair iron further includes a plate-shaped pressing section that is movable toward and away from the iron section and configured to press the hair wrapped around the iron section toward the iron section, and the pressing section further includes a stress relaxation member provided on a surface facing the iron section. Of course, this is not the case.

[0079] As described above, various embodiments of the present invention have been described, but these are presented as examples and do not limit the scope of the invention in any way. The novel embodiments can be embodied in various other forms, and various omissions, substitutions, and modifications can be made without departing from the gist of the invention. The embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention and its equivalents described in the claims. [Explanation of symbols]

[0080] 1: Hair iron 2: Grip section 21: Grip body 22:Operation unit 221: Power button 222: Temperature adjustment button 223: Display panel 224: Suction button 23: Legs 3: Iron section 31: Iron body 311 :Aperture 312: Inlet 32: Electrode 321: Contact 322: Wiring 33: Electrode holder 34: Light emitting part 341: LED 342: LED holder 3421: Fixed hole 3422: Spring groove 343: LED cover 3431 :Aperture 3432:Translucent cover 344: Bis 35: Silicone cushion 36: Spring cushion 37: Silicone cushion holder 371 :Aperture 372: Fixed leg 3721 :Fixed claw 3722: Shaft 38: Heater 381: Heater holder 39: Thermal fuse 391: Thermal fuse body 392: Lead wire 310: Temperature sensor 4: Clamp section 41: Retaining plate 411 :Aperture 42: Finger rest 6: Cap 7: Power supply section

Claims

1. A hair iron, A grip portion configured to be held by a user; and an iron part provided at the tip side of the grip part and used for wrapping and curling hair. The iron unit of the hair iron has a cylindrical main body and a pair of electrodes provided at opposing positions on the circumferential surface of the main body and exposed from the main body.

2. The hair iron according to claim 1, Each of the electrodes is elongated and arranged along the longitudinal direction of the main body.

3. The hair iron according to claim 1, A hair iron, wherein each of the electrodes has a function of introducing and emitting ions to and from the hair.

4. The hair iron according to claim 1, The hair iron, wherein the iron section further includes a pair of heaters disposed inside the main body and facing each other on the inside of the pair of electrodes.

5. The hair iron according to claim 4, Each of the heaters has an elongated shape and is provided along the longitudinal direction of the main body.

6. The hair iron according to claim 4, Each of the heaters has a heating element and an insulator that covers the heating element, and the insulator is mainly composed of aluminum oxide.

7. The hair iron according to claim 1, The hair iron further includes a plate-shaped pressing part that is capable of approaching and moving away from the iron part and is configured to press the hair wrapped around the iron part toward the iron part, The presser portion has an opening penetrating therethrough in a thickness direction.

8. A hair iron, A grip portion configured to be held by a user; An iron part provided at the tip side of the grip part and used for wrapping and curling hair; a plate-shaped pressing part that is provided so as to be capable of approaching and moving away from the iron part and is configured to press the hair wrapped around the iron part against the iron part; The ironing section has a cylindrical main body, The presser portion has an opening penetrating therethrough in a thickness direction.

9. The hair iron according to claim 7 or 8, The iron unit further includes a light emitting unit provided at the upper position of the main body when the pressing unit side is positioned upward, The hair iron is configured such that, when the pressing portion is brought close to the main body, the light emitted by the light emitting portion passes through the opening.

10. The hair iron according to any one of claims 1 to 8, The hair iron further includes a plate-shaped pressing part that is capable of approaching and moving away from the iron part and is configured to press the hair wrapped around the iron part toward the iron part, The hair iron, wherein the iron unit further has a light-emitting unit provided at an upper position of the main body when the pressing unit side is at an upper position.

11. The hair iron according to claim 10, The light-emitting section of the hair iron has a light-emitting element and a support body that supports the light-emitting element.

12. The hair iron according to claim 11, A hair iron, wherein a plurality of the light-emitting elements are provided along the longitudinal direction of the main body.

13. The hair iron according to claim 10, The hair iron, wherein the iron unit further includes a biasing member that biases the light-emitting unit upward from the main body.

14. The hair iron according to claim 10, The hair iron, wherein the iron unit further includes a stress relaxation member provided above the main body relative to the light emitting unit.

15. The hair iron according to claim 14, The iron unit of the hair iron further includes a fixing member that fixes the stress relaxation member to the light-emitting unit and has an opening through which light emitted by the light-emitting unit can pass.

16. The hair iron according to any one of claims 1 to 8, The hair iron further includes a plate-shaped pressing part that is capable of approaching and moving away from the iron part and is configured to press the hair wrapped around the iron part toward the iron part, The hair iron, wherein the pressing portion further has a stress relaxation member provided on a surface of the iron portion.

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