CN107549970B - Novel hair curler - Google Patents

Abstract

The invention discloses a novel hair curler, which comprises: the heating device comprises a first shell and a second shell which can be opened and closed relatively, wherein a containing groove which is opposite to each other is formed in each of the first shell and the second shell, a heating roller component is arranged in each containing groove, each heating roller component comprises a roller with a gear-shaped cross section and a heating body component, and the heating body components are arranged in the rollers. The novel hair curler adopts the two heating roller components, the heating amount is large, the purposes of high hair waving efficiency and short time can be realized, each heating roller component is positioned in the outer shell, the heating roller components are not exposed, scalding can be effectively prevented, the novel hair curler adopts the two rollers with gear-shaped cross sections which correspond to each other to realize hair waving, and the hair waving shape obtained by waving is uniform and continuous due to uniform distribution of the roller gears.

Description

Novel hair curler

Technical Field

The invention relates to the technical field of hairdressing equipment, in particular to a novel hair curler.

Background

At present, the curler is one of the common tools for beauty lovers to make hair and beauty. Hair curlers are frequently used for hair styling, are hand-held hair-dressing electronic products used for ironing and curling hair, and can be used for greatly facilitating people to style hair.

The existing hair curler mainly comprises a hair curler body, a heating body, a handle and other parts. The hair curler of this kind of structure has only one hair curler body and a heating element, and its hair waving efficiency is low, the hair perming time is long, moreover current hair curler body mostly exposes, scald the user easily, and current hair curler mostly adopts cylindric cylinder to realize the hair waving, generally needs the one section of boiling hot of professional, and if the user himself/herself operates the hair curler and carries out the hair waving then makes the hair wave that the hair that scalds uneven, and perhaps makes the wave that the hair that scalds not easy to continue, the section difference appears.

In view of the above, it is necessary to provide a novel hair curler which is effective in preventing scalding, has high hair waving efficiency, and is uniform in waving shape of the hair to be ironed, so as to solve the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to solve the technical problem of providing a novel hair curler which can effectively prevent scalding, has high hair waving efficiency and has uniform wave shape of the scalded hair.

In order to solve the above technical problems, the present invention provides a novel hair curler, comprising: the heating device comprises a first shell and a second shell which can be opened and closed relatively, wherein a containing groove which is opposite to each other is formed in each of the first shell and the second shell, a heating roller component is arranged in each containing groove, each heating roller component comprises a roller with a gear-shaped cross section and a heating body component, and the heating body components are arranged in the rollers. Based on the design, novel hair curler adopts two cylinder subassemblies that generate heat, and its calorific capacity is big, can realize the purpose that perming is efficient, the time is short, and every the cylinder subassembly that generates heat all is located the shell body, and the cylinder subassembly that generates heat is not exposed, can effectively prevent to scald, and this novel hair curler adopts two cross sections that correspond each other to be gear-like cylinder and realizes perming, because of cylinder gear distribution is even, and then the hair wave shape that scalds is comparatively even continuous.

The further technical scheme is as follows: each heating roller component further comprises two conductive connecting mechanisms, the two conductive connecting mechanisms are respectively arranged at two ends of the roller, each conductive connecting mechanism comprises a support, an electrode shaft, a bearing, an electrode plate and an electrode seat, the support is connected with one end of the roller through a fastener, the bearing is sleeved on the support, the electrode seat is sleeved on the bearing, the electrode shaft penetrates through the support, the electrode plate is wrapped on the electrode shaft and is fixed on the electrode seat. Based on the design, the electrode shaft can rotate along with the roller, and the electrode plates and the electrode shaft replace wires in the traditional hair curler to supply power for the heating roller component. The electrode holder can fix the electrode plate, so that the relative position of the electrode plate and the electrode shaft is not changed, and the power supply is stable.

The further technical scheme is as follows: the heating body component comprises a PTC heating body and two heat transfer bodies which are respectively clung to the upper surface and the lower surface of the PTC heating body. Based on the design, the PTC heating element has stable power, low power consumption, safety and reliability, and can bring better product experience to users.

The further technical scheme is as follows: the heat transfer body is of a conical cylindrical structure.

The further technical scheme is as follows: the first shell comprises a first upper cover and a first lower cover connected with the first upper cover through a fastener, the first lower cover comprises a first front cover and a first rear cover which is in butt joint with the second shell, a spring is arranged at the butt joint position, and the heating roller component is arranged between the first front cover and the first rear cover; the first rear cover is provided with a first switch, the accommodating groove is formed in the first upper cover, two ends of the accommodating groove are provided with two limiting cylinders, and the heating roller component is correspondingly provided with two elastic pieces which can be clamped into the limiting cylinders, so that the heating roller component is arranged in the first shell in a manner of floating up and down. Based on the design of the limit cylinder and the elastic piece matched with the limit cylinder, the floating position of the heating roller assembly can be limited.

The further technical scheme is as follows: comb teeth are arranged on one side of the first upper cover. Based on the structural design, the comb teeth can straighten hair.

The further technical scheme is as follows: the first front cover and the second shell are provided with a V-shaped boss on the opposite surface, and the second shell is correspondingly provided with a clamping groove matched with the V-shaped boss. Based on the design, the V-shaped boss and the clamping groove matched with the V-shaped boss can limit the positions of the first shell and the second shell when the hair curler is closed.

The further technical scheme is as follows: the second shell comprises a second lower cover and a second upper cover connected with the second lower cover through a fastener, the second upper cover comprises a second front cover and a second rear cover which is in butt joint with the first shell, the heating roller component is arranged between the second front cover and the second rear cover, the clamping groove matched with the V-shaped boss is formed in the second front cover, an inverted L-shaped boss is arranged on the second rear cover, and an indicator lamp and a second switch are further arranged on the second rear cover; the accommodating groove is formed in the second lower cover, two limiting cylinders are arranged at two ends of the accommodating groove, two elastic pieces which can be clamped into the limiting cylinders are correspondingly arranged on the heating roller component, and therefore the heating roller component is arranged in the second shell in a manner of being capable of floating up and down.

The further technical scheme is as follows: comb teeth are arranged on one side of the second lower cover.

The further technical scheme is as follows: the second shell is internally provided with a rotating device which comprises a reduction gearbox and a motor, the motor is connected with the roller through the reduction gearbox, and the second shell is also provided with a third switch for controlling the rotating device.

Compared with the prior art, the novel hair curler disclosed by the invention adopts two heating roller assemblies, the heating amount is large, the purposes of high hair waving efficiency and short time can be realized, each heating roller assembly is positioned in the outer shell, the heating roller assemblies are not exposed, scalding can be effectively prevented, and the novel hair curler disclosed by the invention realizes hair waving by adopting two rollers with gear-shaped cross sections, which correspond to each other, and the hair waving shapes obtained by waving are relatively uniform and continuous due to uniform roller gear distribution.

Drawings

Figure 1 is a schematic perspective view of a first embodiment of the novel curling iron of the invention with the first and second housings in an open position.

Figure 2 is a schematic exploded view of the novel curling iron of figure 1.

Figure 3 is a schematic top view of the novel curling iron of figure 1.

Figure 4 is a cross-sectional view taken along A-A of the novel curling iron of figure 3.

Fig. 5 is a schematic perspective view of the heat-generating roller assembly of fig. 2.

Figure 6 is a schematic perspective view of the first and second housings in a closed position of the novel curling iron of the first embodiment of the invention.

Figure 7 is a schematic top view of the novel curling iron of figure 6.

Figure 8 is a cross-sectional view in the direction B-B of the novel curling iron of figure 7.

Figure 9 is a schematic top view of a second embodiment of the novel curling iron of the invention with the first and second housings in an open position.

Figure 10 is a cross-sectional view in the direction C-C of the novel curling iron of figure 9.

Detailed Description

The present invention will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present invention to those skilled in the art.

Figures 1 through 8 illustrate a first embodiment of the novel curling iron 10 of the invention. In the embodiment shown in the drawings, the novel hair curler 10 includes a first casing 11 and a second casing 12 that can be opened and closed relatively, a receiving groove 110 and a receiving groove 120 that are opposite to each other are formed in the first casing 11 and the second casing 12, a heat generating roller assembly 14 is disposed in each receiving groove, each heat generating roller assembly 14 includes a roller 141 with a gear-shaped cross section and a heat generating body assembly 142, and the heat generating body assembly 142 is disposed in the roller 141. Preferably, the working surface of the roller 141 is higher than the inner surface of the housing in this embodiment. The first housing 11 and the second housing 12 that are relatively openable and closable refer to: the relative positions of the first housing 11 and the second housing 12 can be changed, the first housing 11 can be opened relative to the second housing 12, hair can be placed between two rollers 141, referring to fig. 1, and the first housing 11 and the second housing 12 are closed, and the rollers 141 are attached to each other, referring to fig. 6. In the present invention, one ends of the first housing 11 and the second housing 12 may be hinged by a latch or a hinge. It is understood that the second housing 12 is also openable and closable relative to the first housing 11. Based on the above design, the novel hair curler 10 adopts two heating roller assemblies 14, which have large heating value, can achieve the purpose of high hair waving efficiency and short time, each heating roller assembly 14 is positioned in the outer shell, the heating roller assemblies 14 are not exposed, and can effectively prevent scalding, and the novel hair curler 10 adopts two rollers 141 with gear-shaped cross sections corresponding to each other to realize hair waving, in this embodiment, two ways can be adopted to carry out hair waving, one way is to place a certain amount of hair between the two rollers 141, the first shell 11 and the second shell 12 are held by hands, so that the two rollers are mutually close to clamp the hair between the two rollers 141, at this moment, the hair curler 10 can be manually moved slowly towards the hair tip direction at uniform speed, the rollers 141 rotate due to the rolling friction force of the hair, and the wave shapes of the rollers 141 are uniformly distributed, so that the hair waving is relatively uniform and continuous; the other is to put the hair between two rollers, then put the hair curler 10 on the place where the hair is to be curled for a certain period of time, and then move the hair curler 10 to another place along the direction of the hair tips for styling.

In some embodiments, for example, referring to fig. 2 and 4, each heat generating roller assembly 14 further includes two conductive connection mechanisms 15, where the two conductive connection mechanisms 15 are respectively disposed at two ends of the roller 141, each conductive connection mechanism 15 includes a bracket 151, an electrode shaft 152, a bearing 153, and an electrode holder 156, referring to fig. 5, each bracket 151 includes a first cylinder 1511, an elliptical disk 1512 formed at an end of the first cylinder 1511, a second cylinder 1513 extending vertically from the elliptical disk 1512, and a third cylinder 1514 extending vertically from the second cylinder 1513, where a diameter of the first cylinder 1511 is larger than a diameter of the second cylinder 1513, a diameter of the second cylinder 1514 is larger than a diameter of the third cylinder 1514, two mounting holes 1515 for mounting fasteners 154 (such as screws or the like) are provided on the elliptical disk 151, the bracket 151 is connected to the roller 141 through one end of the fasteners 154, preferably the two brackets 141 are disposed at positions corresponding to the two bearings 151 and the electrode holder 153, and the electrode holder 153 is fixed to the electrode holder 153, and the electrode holder 153 is disposed on the two bearings 151 and the electrode holder 153 is fixed to the electrode holder 153. Based on the above design, the electrode shaft 152 can rotate along with the roller 141, and when the roller 141 rotates under the driving of the rolling friction force, the roller 141 rotates more flexibly and smoothly without jamming due to the effect of the bearing 153; as can be seen from the drawings, the electrode plate 155 is wrapped on the electrode shaft 152, the electrode plate 155 and the electrode shaft 152 can replace the wires in the conventional hair curler 10 to supply power to the heating roller assembly 14, and the electrode holder 156 can fix the electrode plate 155 so that the electrode plate 155 does not rotate along with the electrode shaft 152, so that the relative positions of the electrode plate 155 and the electrode shaft 152 are not changed, and the power supply current is continuously stable. And the manufacturing process of the groove 1411 for assembling the fastener 153 in the drum 141 is direct molding of the drawn profile, and the drilling process can be omitted.

Referring to fig. 5, in the embodiment shown in the drawings, the heating element assembly 142 includes a PTC heating element 1421 and two heat transfer bodies 1422 respectively attached to the upper and lower surfaces of the PTC heating element 1421, wherein the heat transfer bodies 1422 have a tapered cylindrical structure. As can be seen from the drawings, one end of the PTC heater 1421 is fixed in the holder 151 in a penetrating manner, and can be rotated in synchronization with the drum 141 when the drum 141 rotates. As can be appreciated, in the novel curling iron 10 of the present invention, heat generated from the PTC heating body 1421 is transferred to the upper and lower rollers 141 through the heat transfer bodies 1422 closely attached to the upper and lower surfaces thereof. Based on the design, the PTC heating element 1421 is adopted to replace the traditional heating element, the PTC heating element 1421 generates heat quickly, has stable power and low power consumption, is safe and reliable, and can bring better product experience to users. Preferably, the heat transfer body 1422 in this embodiment is made of an aluminum material with good heat conduction and light weight.

In some embodiments, for example, referring to fig. 2, 4 and 6, the first housing 11 includes a first upper cover 111 and a first lower cover connected to the first upper cover 111 by a fastener, the first lower cover includes a first front cover 1121 and a first rear cover 1122 abutted to the second housing 12, in this embodiment, the first front cover 1121 and the first rear cover 1122 are provided with a second groove 114 for accommodating the conductive connection mechanism 15, and the heat generating roller assembly 14 is mounted between the first front cover 1121 and the first rear cover 1122; the first rear cover 1122 is provided with a first switch 113, the accommodating groove 110 is formed in the first upper cover 111, two limiting cylinders 1111 are disposed at two ends of the accommodating groove, and two elastic members 1112 capable of being engaged with the limiting cylinders 1111 are correspondingly disposed on the heating roller assembly 14, so that the heating roller assembly 14 is disposed in the first housing 11 in a manner capable of floating up and down. Based on the design of the restraining cylinder 1111 and the resilient member 1112 engaged therewith, it can restrain the position of the heat generating roller assembly 14 floating within the housing. In this embodiment, the first switch 113 is configured to control opening and closing of the first housing 11 and the second housing 12, and includes a locking button 1131, a connecting piece 1132, and a clamping piece 1133, where the locking button 1131 is fixedly connected with the connecting piece 1132 through a fastening piece 1134, a circular hole 1135 is formed in the clamping piece 1133, and the connecting piece 1132 penetrates through the circular hole 1135. Preferably, in this embodiment, the first upper cover 111 is provided with comb teeth 1113 on one side. Based on this structural design, the comb 1113 may straighten hair while the hair curler 10 shapes hair.

In some embodiments, for example, in this embodiment, a V-shaped boss 1123 is disposed on an opposite surface of the first front cover 1121 and the second housing 12, and a slot 1223 is correspondingly disposed on the second housing 12 and cooperates with the V-shaped boss 1123. Based on the above design, the V-shaped boss 1123 and the catch 1223 mating therewith limit the position of the first housing 11 and the second housing 12 when the hair curler 10 is closed.

In the embodiment shown in the drawings, the second housing 12 includes a second lower cover 121 and a second upper cover connected to the second lower cover 121 by a fastener, the second upper cover includes a second front cover 1221 and a second rear cover 1222 abutted to the first rear cover 1122 in the first housing 11, a spring 18 is disposed at the abutting position, the second front cover 1221 and the second rear cover 1222 are both provided with a third groove 123 for accommodating the conductive connection mechanism 15, the heat-generating roller assembly 14 is mounted between the second front cover 1221 and the second rear cover 1222, the slot 1223 matched with the V-shaped boss 1123 is provided on the second front cover 1221, the second rear cover 1222 is provided with an inverted L-shaped boss 1224 matched with the first switch 113, and an indicator lamp 1225 and a second switch 1226 are also provided on the second rear cover 1222; the accommodating groove 120 is formed in the second lower cover 121, two limiting cylinders 1211 are disposed at two ends of the accommodating groove, and two elastic members 1212 capable of being engaged with the limiting cylinders 1211 are correspondingly disposed on the heating roller assembly 14, so that the heating roller assembly 14 is disposed in the second housing 12 in a manner of being capable of floating up and down. Preferably, the second lower cover 121 in this embodiment is provided with comb teeth 1213 on the side of the first upper cover 111, which is offset from the first upper cover 111 with comb teeth 1113.

In this embodiment, the inverted L-shaped boss 1224 cooperates with the first switch 113 in the first housing 11, when the key-locking push button 1131 of the first switch 113 is pushed forward, the clamping member 1133 moves forward under the action of the connecting member 1132 until the clamping member is clamped into the inverted L-shaped boss 1224, at this time, the spring 18 is compressed, the upper and lower rollers 141 are in a state of being attached, and the first housing 11 and the second housing 12 are locked and cannot be opened, so that the space required for storing the novel hair curler 10 can be reduced, and the novel hair curler is convenient to store; when the key push button 1131 of the first switch 113 is pushed backward, the locking member 1133 moves backward under the action of the connecting member 1132 and moves out of the inverted L-shaped boss 1224, the spring 18 is gradually opened, the first casing 11 and the second casing 12 are opened under the action of the spring 18, and when the hair curler 10 is used, when hair is put between the upper and lower rollers 141 for shaping, the first casing 11 and the second casing 12 are held by hand, the first casing 11 and the second casing 12 move toward each other, and when the hand slowly releases the first casing 11 and the second casing 12, the first casing 11 and the second casing 12 can be opened freely.

In the embodiment shown in the drawings, the hinged ends of the first and second housings 11 and 12 are connected by a connection 16 to a power cord 17 for providing power to the new hair curler 10. While the second switch 1226 in the present embodiment is used for turning on or off the power, when the second switch 1226 is pushed forward after the power cord 17 is turned on, the hair curler 10 is turned on, the indicator light 1225 is turned on, and the upper and lower rollers 141 generate heat; when the second switch 1226 is pushed backward, the curling iron 10 is turned off, and at this time, even if the power cord 17 is turned on, the indication lamp 1225 is turned off, and the upper and lower rollers 141 do not generate heat.

As can be appreciated, when the novel hair curler 10 of the present invention is used, the key push button 1131 of the first switch 113 is pushed back, at this time, the spring 18 is gradually opened, the first housing 11 and the second housing 12 are opened under the action of the spring 18, the power is turned on, the second switch 1226 is operated to start the hair curler 10, at this time, the indicator 1225 is turned on, the PTC heater 1421 in the heating roller assembly 14 generates heat, and the heat is transferred to the upper and lower rollers 141 through the heat transfer bodies 1422 closely attached to the upper and lower surfaces thereof, a proper amount of hair is placed between the two rollers 141, the first housing 11 and the second housing 12 are held by hand, so that the two rollers 141 are close to each other to clamp the hair between the two rollers 141, the user can select which mode to use according to own hair quality, i.e. if the user's hair quality is small and hair quality is thin, the hair curler 10 can be manually moved slowly in the hair tip direction at a uniform speed, and the temperature of the novel hair curler 10 of the present invention is 220 ℃ and the hair setting effect can be better if the hair setting effect is achieved. The roller 141 rotates due to the rolling friction force of the hair, and the wave shape of the hair is uniform and continuous due to the uniform gear distribution of the roller 141; if the hair is thicker and more hair is used, the hair is clamped between the two rollers 141, and then the hair curler 10 is placed at the position where the hair is to be curled for a certain period of time, and the hair curler 10 is moved to another position along the hair tip direction for styling, so as to obtain better hair curling effect. When all the hair is curled, the second switch 1226 is pushed backward, so that the curler 10 is turned off, and at this time, even if the power line 17 is powered on, the indicator 1225 is turned off, and the upper and lower rollers 141 do not generate heat; after the curler 10 is placed for a period of time and the upper and lower rollers 141 are cooled, when the locking button 1131 of the first switch 113 is pushed forward, the clamping piece 1133 moves forward under the action of the connecting piece 1132 until being clamped into the inverted-L-shaped boss 1224, at this time, the spring 18 is compressed, the upper and lower rollers 141 are in a attached state, the first housing 11 and the second housing 12 are locked and cannot be opened, and the design can reduce the space required for storing the novel curler 10, so that the novel curler is convenient to store. As can be seen from the above, the novel curling iron 10 of this embodiment is simple to operate, and the rotation of the roller 141 is controlled manually and mechanically, which is more convenient for a beginner to use.

Figures 9 through 10 illustrate a second embodiment of the novel curling iron 10 of the invention. In this embodiment, a rotating device 13 is further disposed in the second housing 12, the rotating device 13 includes a reduction gearbox 132 and a motor 131, the motor 131 is connected to the drum 141 through the reduction gearbox 132, in this embodiment shown in the drawings, the reduction gearbox 132 is sleeved on the electrode shaft 152, and a third switch 133 for controlling the rotating device 13 is further disposed on the second housing 12. Based on the above design, the novel hair curler 10 in this embodiment can drive the rollers 141 in the second housing 12 to rotate through the motor 131, and further drive the rollers 141 in the first housing 11 to rotate, when the hair is clamped between the two rollers 141, the third switch 133 can be pressed down, so that the rollers 141 rotate, and the styling can be performed according to the mode of self hair; it should be understood that instead of automatically driving the roller 141 by the motor 131, the roller 141 may be controlled to rotate manually or mechanically, i.e. the curler 10 is slowly moved in the direction of the tip of the hair at a constant speed, and the roller 141 is rotated by the friction of the hair rolling.

In summary, the novel hair curler provided by the invention adopts two heating roller assemblies, the heating amount is large, the purposes of high hair waving efficiency and short time can be realized, each heating roller assembly is positioned in the outer shell, the heating roller assemblies are not exposed, scalding can be effectively prevented, and the novel hair curler provided by the invention realizes hair waving by adopting two rollers with gear-shaped cross sections, which correspond to each other, and the hair waving shapes of the hair waving are uniform and continuous due to uniform roller gear distribution.

The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present invention.

Claims (5)

1. A novel hair curler, characterized in that it comprises: a first shell and a second shell which can be opened and closed relatively, wherein a containing groove which is opposite to each other is respectively formed in the first shell and the second shell, a heating roller component is arranged in each containing groove, each heating roller component comprises a roller with a gear-shaped cross section and a heating body component, the heating body component is arranged in the roller,

The first shell comprises a first upper cover and a first lower cover connected with the first upper cover through a fastener, the first lower cover comprises a first front cover and a first rear cover which is in butt joint with the second shell, a spring is arranged at the butt joint position, and the heating roller component is arranged between the first front cover and the first rear cover; the first rear cover is provided with a first switch which is used for controlling the opening and closing of the first shell and the second shell and comprises a locking key push button, a connecting piece and a clamping piece, wherein the locking key push button is fixedly connected with the connecting piece through a fastening piece, the clamping piece is provided with a round hole, the connecting piece penetrates through the round hole, the accommodating groove is formed in the first upper cover, two limiting cylinders are arranged at two ends of the accommodating groove, and two elastic pieces which can be clamped into the limiting cylinders are correspondingly arranged on the heating roller component so that the heating roller component can be arranged in the first shell in an up-down floating mode;

the first front cover and the second shell are provided with a V-shaped boss on the opposite surface, the second shell is correspondingly provided with a clamping groove matched with the V-shaped boss, the second shell comprises a second lower cover and a second upper cover connected with the second lower cover through a fastener, the second upper cover comprises a second front cover and a second rear cover which is abutted with the first shell, the heating roller component is arranged between the second front cover and the second rear cover, the clamping groove matched with the V-shaped boss is arranged on the second front cover, the second rear cover is provided with an inverted L-shaped boss, and the second upper cover is also provided with an indicator lamp and a second switch; the accommodating groove is formed in the second lower cover, two limiting cylinders are arranged at two ends of the accommodating groove, two elastic pieces which can be clamped into the limiting cylinders are correspondingly arranged on the heating roller component, so that the heating roller component is arranged in the second shell in a manner of floating up and down, and comb teeth are arranged on one side of the second lower cover, which is staggered with the first upper cover, respectively.

2. The novel curling iron of claim 1, wherein: each heating roller component further comprises two conductive connecting mechanisms, the two conductive connecting mechanisms are respectively arranged at two ends of the roller, each conductive connecting mechanism comprises a support, an electrode shaft, a bearing, an electrode plate and an electrode seat, the support is connected with one end of the roller through a fastener, the bearing is sleeved on the support, the electrode seat is sleeved on the bearing, the electrode shaft penetrates through the support, the electrode plate is wrapped on the electrode shaft and is fixed on the electrode seat.

3. The novel curling iron of claim 1, wherein: the heating body component comprises a PTC heating body and two heat transfer bodies which are respectively clung to the upper surface and the lower surface of the PTC heating body.

4. A novel curling iron according to claim 3, wherein: the heat transfer body is of a conical cylindrical structure.

5. The novel curling iron of any one of claims 1-4, wherein: the second shell is internally provided with a rotating device which comprises a reduction gearbox and a motor, the motor is connected with the roller through the reduction gearbox, and the second shell is also provided with a third switch for controlling the rotating device.