Heating plate for hair iron

Abstract

A heating plate for a hair iron, according to the present invention, is equipped with a heat diffusion plate between a ceramic heating plate and a ceramic heater, thereby enabling heat from the ceramic heater to make contact with a wide region on the ceramic heating plate, and thus having the effect of enabling a thermal equilibrium state of the ceramic heating plate and the heat diffusion plate to be reached within a short time.

Description

Hot plate for curling iron

[0001] The present invention relates to a heating plate for a hair iron, and more specifically, to a heating plate for a hair iron in which a flat portion is formed in the center of a ceramic heating plate that comes into direct contact with hair, and gently rounded separation portions are formed on both sides to prevent marks from being left on the hair when the hair iron is used, and a ceramic heater as a heat source and a heat diffusion plate that widely distributes and transmits the heat of the ceramic heater are combined inside the ceramic heating plate.

[0002] Typically, a curling iron has an electric heater built into the upper and lower facing plates, and power is applied to the electric heater to heat the plates and straighten or roll the hair into the desired shape.

[0003] Technologies are being proposed to effectively change the shape of hair with these hair irons, while preventing the heat of the electric heater from being transferred to the outside of the plate or the heat from being concentrated in a specific area of ​​the plate, thereby damaging the hair.

[0004] As a related prior art, Korean Utility Model Registration No. 20-0491139 (February 19, 2020) discloses a 'heat plate structure of a hair iron'.

[0005] The above conventional technology, as shown in Fig. 1, is a heating plate (100) of a hair iron that is installed on the front lower part of the upper body (10) and the front upper part of the lower body (20) and contacts each other when styling hair.

[0006] The above heating plate (100) comprises a rectangular heating member (110) made of any one of ceramic, a mineral with good heat transfer, and a carbon material, such that the outer surface (111) that contacts each other is formed as a curved surface that protrudes convexly toward the center and the inner surface (112) is formed as a flat surface; a plate spring (40) provided on both sides of the inner surface (112) of the heating member (110) to press the heater (30) against the inner surface (112) and a support means (S) that supports the cover (50),

[0007] The above support means (S) is formed in a "T" shape integrally including a vertical piece (S1) arranged longitudinally on the inner surface (112) of the heat-conducting member (110) and a hook piece (S2) (S3) bent at right angles inward and outward from one end of the vertical piece (S1), and is characterized in that a fixing groove (112a) is formed longitudinally on both sides of the inner surface (112) of the heat-conducting member (110) into which the other end of the vertical piece (S1) is fitted and fixed by adhesive or force-fit.

[0008] The above-mentioned conventional technology had a problem in that the curved surface protruding convexly toward the center of the heating plate could not prevent the tip of the hair from curling when the head was straightened.

[0009] In addition, the above-mentioned conventional technology has a problem in that, although it is easy to slide on hair due to the curved structure of the heating plate (100), the heat of the heating element (110) is not evenly transferred during initial heating.

[0010] The present invention was created to solve the problems of the prior art as described above, and the purpose of the present invention is to provide a hair iron heating plate having a ceramic heating plate having a flat portion in the center and rounded separation portions on both left and right sides of the flat portion, a heat diffusion plate on the upper inner surface of the ceramic heating plate, and a ceramic heater arranged on the upper side of the heat diffusion plate, so that the entire surface of the ceramic heating plate is heated to a set temperature to easily form curls in hair, and a heating plate for preventing pressed marks from remaining on the ends of the hair depending on the configuration of the flat portion and the separation portion.

[0011] In order to achieve the above-described purpose, the present invention provides a hair iron hot plate that uses a heated hot plate to form curls in hair, comprising: a ceramic hot plate having a contact end that directly contacts the hair on the lower surface; and a joining end formed by protruding both sides of the upper surface corresponding to the contact end; a heat diffusion plate fitted to the upper surface of the joining end; and a ceramic heater that is in close contact with the upper portion of the heat diffusion plate.

[0012] The above contact portion is characterized by comprising a flat portion that directly contacts the hair and a pair of spaced portions extending upward in a rounded manner from the left and right ends of the flat portion.

[0013] The lower surface of one of the insulating plates is provided with a thermistor sensor for detecting the temperature of the ceramic heater, and a Kapton tape for fixing the thermistor sensor, and the upper part of both sides of the connecting section is provided with a catch protruding inwardly and outwardly, and the connecting section is characterized in that it is provided with a plurality of insulating plates for preventing the heat of the ceramic heater from being conducted upward, and a plate spring that catches the catch protrusion so as to be in close contact with the upper surface of the insulating plate.

[0014] The upper part of the above-mentioned connecting member is further characterized by having an upper cover coupled to surround the upper part of the above-mentioned plate spring.

[0015] The above heat diffusion plate is characterized in that it is made of either aluminum or magnesium material.

[0016] The above-mentioned plate spring is characterized in that it has a pressing surface in the center that is in close contact with the upper part of the insulating plate, and an insertion surface bent upward on both sides of the pressing surface, and the insertion surface has an inclined end cut diagonally so that it rotates and is inserted when inserted into the connecting end, so that they are inserted in opposite directions.

[0017] In this way, the hot plate for a hair iron according to the present invention has the following effects.

[0018] First, the contact point of the ceramic heating plate, which directly contacts the hair and transmits heat, is composed of a flat portion and a separated portion, so that it can prevent the hair from being pressed when forming a hair curl.

[0019] Second, the heat of the ceramic heater is transferred to the heat diffusion plate made of aluminum or magnesium with high thermal conductivity, so that the heat of the ceramic heater, which quickly heats only a specific area, can be transferred to a wide area by spreading it on the heat diffusion plate.

[0020] Third, a heat diffusion plate is attached to the joint of the ceramic heating plate, and a ceramic heater is installed on the upper part of the heat diffusion plate, so that partial heating of the ceramic heating plate is prevented, and the hair can be heated by the ceramic heating plate through which heat is evenly conducted, thereby forming excellent curls.

[0021] Fourth, since a plurality of insulating plates and plate springs are each attached to the upper portion of the ceramic heating plate and are in close contact with the back surface of the ceramic heater, the heat of the ceramic heater is prevented from being released to the back surface, and the heat can be evenly transferred to the heat diffusion plate.

[0022] Figure 1 is a drawing showing a heating plate of a hair iron according to the prior art.

[0023] Figure 2 is a drawing showing a hair iron hot plate according to the present invention.

[0024] Figure 3 is a drawing explaining a ceramic heating plate according to the present invention.

[0025] Figure 4 is a drawing showing a heat diffusion plate and a ceramic heater according to the present invention.

[0026] Figure 5 is a drawing illustrating an insulating plate and a plate spring according to the present invention.

[0027] Hereinafter, an embodiment of the present invention will be described in detail with reference to the attached drawings.

[0028] The hot plate for a hair iron of the present invention, as illustrated in FIGS. 2 to 5, is a hot plate for a hair iron that forms curls in hair using a heated hot plate, and comprises a ceramic hot plate (10) having a contact end (11) that directly contacts the hair on the lower surface, and a connecting end (12) formed on the upper surface corresponding to the contact end (11) with both sides of the wall protruding upward; a heat diffusion plate (20) fitted to the upper surface of the connecting end (12); and a ceramic heater (30) that is in close contact with the upper portion of the heat diffusion plate (20).

[0029] Here, the hair iron is composed of a pair of upper and lower ceramic plates (10) connected to a handle, and when in use, hair is inserted between the contact ends (11) of the ceramic plates (10), the ceramic plates (10) are pressed against the outer surface of the hair, and then the handle is held and the hair is slid to form curls. Since the ceramic heater (30) quickly heats a specific area when external power is applied, and there is a limit to spreading and transferring heat to a wide area, the heat is transferred to the ceramic plates (10) through the heat diffusion plate (20).

[0030] Meanwhile, the above contact portion (11) is composed of a flat portion (11a) that directly contacts the hair, and a pair of spaced portions (11b) that extend upward in a rounded manner from the left and right ends of the flat portion (11a), thereby preventing a mark from being pressed on the hair when curling.

[0031] At this time, the left-right width of the flat portion (11a) is formed to be at least twice as large as the left-right width of the spaced portion (11b). That is, the left-right width of the flat portion (11a) is formed to be larger than the sum of the widths of the spaced portions (11b) on both sides.

[0032] And, the upper part of both sides of the connecting section (12) is provided with a catch (12a) protruding inward and outward, and the connecting section (12) is provided with a plurality of insulating plates (13) that prevent the heat of the ceramic heater (30) from being conducted upward, and a plate spring (14) that is caught by the catch (12a) so as to be in close contact with the upper surface of the insulating plate (13), so that the ceramic heater (30) is configured to be in close contact with the back surface of the heat diffusion plate (20) with an even pressure. Here, the insulating plate (13) is provided with a silicone material.

[0033] In addition, a thermistor sensor (not shown) for detecting the temperature of the ceramic heater (30) and a Kapton tape (not shown) for fixing the thermistor sensor are provided on the lower surface of one of the insulating plates (13). Here, silicone grease may be further applied to the upper surface of the thermistor sensor, and the silicone grease improves the characteristic of heat conducted from the ceramic heater (30) being transferred to the thermistor sensor, and the Kapton tape has excellent characteristics of stable heat resistance at high temperatures.

[0034] The upper part of the above-mentioned connecting section (12) is further provided with an upper cover (15) that is coupled to cover the upper part of the above-mentioned plate spring (14), thereby preventing heat from being transferred to the upper part of the connecting section (12).

[0035] Meanwhile, the heat diffusion plate (20) is made of either aluminum or magnesium, which have high thermal conductivity, so that the heat transferred from the ceramic heater (30) is evenly conducted, so that the heat is transferred to the ceramic heating plate (10) over the entire area.

[0036] Meanwhile, the plate spring (14) is provided with a pressing surface (14a) that is in close contact with the upper part of the insulating plate (13) at the center, and a fitting surface (14b) that is bent upward on both sides of the pressing surface (14a), and the fitting surface (14b) is provided with an inclined end (141) that is cut diagonally so that it rotates and is joined when joined to the joining end (12), so that the assembly of the hot plate becomes easy.

[0037]

[0038] The operation of the hot plate for a hair iron according to the present invention having the above configuration is as follows.

[0039] According to the present invention, the hot plate for a hair iron is connected to a heat diffusion plate (20) and a ceramic heater (30) in that order, as illustrated in FIGS. 2 to 5, to a connecting portion (12) provided on the upper portion of the ceramic hot plate (10) so that heat is evenly transferred to the ceramic hot plate (10). In addition, the contact portion (11), which is the lower surface of the ceramic hot plate (10), is a surface that contacts the hair and transfers heat. In order to prevent the hair from being pressed by the shape of the ceramic hot plate (10), a flat portion (11a) is provided in the center, and rounded separation portions (11b) are provided on both sides of the flat portion (11a), thereby preventing an unintended mark from being left by the contact portion (11) of the ceramic hot plate (10) when forming a hair curl.

[0040] And, the catch (12a) of the above-mentioned connecting member (12) extends in the longitudinal direction so that the plate spring (14) is caught and bound.

[0041] That is, when the above plate spring (14) is coupled to the catch (12a), a plurality of insulating plates (13) are attached to the upper surface of the ceramic heater (30) so that the plate springs (14) are in close contact with the upper surface of the insulating plates (13).

[0042] At this time, the above-mentioned plate spring (14) is inserted while the inclined end (141) slides against the tip of the connecting end (12), and the fitting surface (14b) is caught on the inner lower surface of the connecting end (12).

[0043] Meanwhile, the heat diffusion plate (20) is made of either aluminum or magnesium, which have high thermal conductivity, so that it receives heat from the ceramic heater (30) and is in close contact with the entire area of ​​the ceramic heating plate (10) to transmit the heat, thereby maintaining the temperature of the ceramic heating plate (10) in close contact with the hair constant over the entire area.

[0044] In this way, the heating plate for a hair iron according to the present invention has a flat portion (11a) and a separated portion (11b) of a ceramic heating plate (10) through which heat is evenly conducted, which come into contact with the hair, allowing the user to form curls without leaving marks on the hair.

[0045] The present invention is not limited to the specific preferred embodiments described above, and anyone with ordinary skill in the art to which the invention pertains can make various modifications without departing from the gist of the present invention as claimed in the claims, and such modifications are within the scope of the claims.

Claims

1. In a heat plate for a hair iron that forms curls in hair using a heated heat plate, A ceramic heating plate (10) having a contact end (11) that directly contacts the hair on the lower surface, and a joining end (12) formed by protruding both sides of the upper surface corresponding to the contact end (11); a heat diffusion plate (20) fitted to the upper surface of the joining end (12); and a ceramic heater (30) that is in close contact with the upper portion of the heat diffusion plate (20); is provided. A hot plate for a hair iron, characterized in that the above contact portion (11) is composed of a flat portion (11a) that directly contacts the hair, and a pair of spaced portions (11b) that extend upward in a rounded manner from the left and right ends of the flat portion (11a).

2. In paragraph 1, The upper part of both sides of the above-mentioned connecting member (12) is provided with a catch (12a) protruding inward and outward. A heating plate for a hair iron, characterized in that the above-mentioned connecting member (12) is provided with a plurality of insulating plates (13) that prevent the heat of the ceramic heater (30) from being conducted upward, and a plate spring (14) that is caught by the catch (12a) so that the insulating plates (13) are in close contact with the upper surface of the ceramic heater (30).

3. In paragraph 2, On the lower surface of one of the above insulating plates (13), a thermistor sensor for detecting the temperature of the ceramic heater (30) and a Kapton tape for fixing the thermistor sensor are provided. At the upper part of the above connecting section (12) A hot plate for a hair iron, characterized in that it further comprises an upper cover (15) coupled to wrap around the upper portion of the above-mentioned plate spring (14).

4. In paragraph 1, A heat plate for a hair iron, characterized in that the above heat diffusion plate (20) is made of either aluminum or magnesium material.

5. In paragraph 2, The above plate spring (14) is provided with a pressing surface (14a) that is in close contact with the upper part of the insulating plate (13) in the center, and a fitting surface (14b) that is bent upward on both sides of the pressing surface (14a). A hair iron hot plate characterized in that the above fitting surface (14b) is provided with inclined ends (141) cut diagonally so that they rotate and are joined when joined to the above joining end (12) and are provided facing each other.

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