thermostatic curling iron

15 2022.01.10

Summary

The utility model relates to a constant temperature hair curler, comprising: a handle component, a heating component connected to the handle component, and a clamping component pivotally connected to the heating component; a temperature control circuit board is arranged inside the handle component; the heating component comprises: an electric connection temperature control The heating rope of the circuit board, the mica paper sleeve sleeved on the outside of the heating rope, and the metal sleeve sleeved on the outside of the mica paper sleeve; , and an outer layer fiber sleeve sleeved outside the inner layer fiber sleeve and wrapping the resistance wire; the resistance wire is electrically connected to the temperature control circuit board; one end of the metal sleeve is connected to the handle assembly. The above-mentioned constant temperature hair curler, after the electric heating rope is energized, heats up quickly, which is convenient to provide an efficient and stable heat source, so that the metal sleeve quickly heats up and maintains a constant temperature, providing a stable curling temperature.

1 . A constant temperature hair curler, comprising: a handle assembly, a heating assembly connected to the handle assembly, and a clamping assembly pivotally connected to the heating assembly; a temperature control circuit board is provided inside the handle assembly; The heating assembly includes: a heating rope electrically connected to the temperature control circuit board, a mica paper sleeve sleeved on the outside of the heating rope, and a metal sleeve sleeved on the outside of the mica paper sleeve; the heating rope includes : an inner layer fiber sleeve, a resistance wire wound on the inner layer fiber sleeve, and an outer layer fiber sleeve sleeved outside the inner layer fiber sleeve and wrapping the resistance wire; the resistance wire The temperature control circuit board is electrically connected; one end of the metal sleeve is connected to the handle assembly.

2 . The thermostatic hair curler according to claim 1 , wherein the handle assembly further comprises a switch and a power cord respectively electrically connected to the temperature control circuit board.

3 . The thermostatic hair curler according to claim 2 , wherein the handle assembly further comprises an indicator light electrically connected to the temperature control circuit board.

4 . The thermostatic hair curler of claim 1 , wherein the handle assembly further comprises a bushing connected to the metal sleeve.

5 . The thermostatic hair curler according to claim 4 , wherein the heating assembly further comprises a sealing member connected to one end of the metal sleeve away from the handle assembly; the surface of the sealing member is provided with a ring.

6 . The thermostatic hair curler according to claim 1 , wherein the clamping assembly comprises: a flip seat pivotally connected to one end of the metal sleeve and connected to one end of the handle assembly, a flip seat mounted on the flip seat and the an elastic piece between the metal sleeves, a clip with one end connected to the flip seat, and a support frame pivotally connected to one end of the metal sleeve connected to the handle assembly; the clip is closely arranged on the metal sleeve surface of the sleeve.

7 . The thermostatic hair curler according to claim 6 , wherein a pressing block is provided at one end of the flip seat away from the clip, and a surface of the pressing block is provided with anti-slip stripes.

Background technique

A hair curler is a handheld electronic product for curling hair, which mainly includes a handle and a heating element. The handle is intended for the user to hold and has a built-in control circuit. Under the control of the control circuit, the heating component is energized to generate heat to generate the heat source required for curling the hair. The heating elements used in the heating components of traditional hair curlers include: ceramic heating elements, PTC heating elements and heating wire heating elements. Among them, the heating speed of the general heating wire heating body is slow, and the temperature fluctuation is obvious, so it is difficult to provide a stable ironing temperature.

Utility model content

Based on this, the utility model provides a constant temperature hair curler with stable curling temperature.

A thermostatic hair curler, comprising: a handle component, a heating component connected to the handle component, and a clamping component pivotally connected to the heating component; a temperature control circuit board is arranged inside the handle component; the heating component includes: a heating component electrically connected to the temperature control circuit board A rope, a mica paper sleeve sleeved on the outside of the heating rope, and a metal sleeve sleeved on the outside of the mica paper sleeve; the heating rope includes: an inner fiber sleeve, a resistance wire wound on the inner fiber sleeve, and a sleeve The outer fiber sleeve is outside the inner fiber sleeve and wraps the resistance wire; the resistance wire is electrically connected to the temperature control circuit board; one end of the metal sleeve is connected to the handle assembly.

In the above-mentioned constant temperature hair curler, the temperature control circuit board is used to connect the external power supply and control the current and voltage supplied to the heating element. The heating rope in the heating component is a three-layer structure, the resistance wire is wound on the inner fiber sleeve, and the outer fiber sleeve is sleeved on the inner fiber sleeve wrapped with the resistance wire. When the resistance wire is energized and heated, , and then transfer heat to the outer insulating mica paper sleeve through the outer fiber sleeve. The metal sleeve is sleeved outside the mica paper sleeve, and the mica paper sleeve transmits heat to the metal sleeve, so that the metal sleeve heats up evenly, and the resistance wire heats up quickly after being energized, which is convenient to provide an efficient and stable heat source, making the metal sleeve heat up. The sleeve heats up quickly and maintains a constant temperature, providing a stable ironing temperature.

In one of the embodiments, the handle assembly further includes a switch and a power cord respectively electrically connected to the temperature control circuit board.

In one embodiment, the handle assembly further includes an indicator light electrically connected to the temperature control circuit board.

In one of the embodiments, the handle assembly further includes a bushing connected to the metal sleeve.

In one embodiment, the heating assembly further includes a sealing member connected to one end of the metal sleeve away from the handle assembly; the surface of the sealing member is provided with an annular protrusion; the radius of the annular protrusion is larger than that of the metal sleeve.

In one embodiment, the clamping assembly includes: a flip seat pivotally connected to one end of the metal sleeve connecting handle assembly, an elastic member installed between the flip seat and the metal sleeve, a clip connected to the flip seat at one end, and a pivot The support frame connected to one end of the metal sleeve connecting handle assembly; the clip is closely arranged on the surface of the metal sleeve.

In one embodiment, a pressing block is provided at one end of the flip seat away from the clip, and the surface of the pressing block is provided with anti-slip stripes.

Description of drawings

1 is a schematic structural diagram of a thermostatic hair curler according to an embodiment of the present invention;

Fig. 2 is the exploded schematic diagram of the constant temperature hair curler shown in Fig. 1;

The meanings of the symbols in the accompanying drawings are:

10- thermostatic curling iron; 20- handle assembly, 21- shell, 23- temperature control circuit board, 24- bushing, 25- switch, 26- power cord, 27- indicator light, 28- upper shell, 29- lower shell ; 30- Heating component, 31- Heating rope, 32- Mica paper sleeve, 33- Metal sleeve, 34- Seal; 40- Clamping component, 41- Flip seat, 42- Elastic piece, 43- Clip, 44 -Support frame, 45-Press block.

detailed description

In order to further understand the features, technical means, specific purposes and functions of the present invention, and to analyze the advantages and spirit of the present invention, the following detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments can be further understood.

Referring to FIG. 1 and FIG. 2 , it is a thermostatic hair curler 10 according to an embodiment of the present invention.

The thermostatic hair curler 10 includes a handle assembly 20 , a heating assembly 30 connected to the handle assembly 20 , and a clamping assembly 40 pivotally connected to the heating assembly 30 .

The handle assembly 20 includes: a cylindrical casing 21, a temperature control circuit board 23 and a shaft sleeve 24 installed in the casing 21, and a switch 25, a power cord 26, and an indicator light 27 electrically connected to the temperature control circuit board 23 respectively. . In this embodiment, the casing 21 is provided in a cylindrical structure with two ends open, and includes an upper casing 28 and a lower casing 29 that are connected to each other. The shaft sleeve 24 is connected to the opening at one end of the housing 21 , and is used for connecting the heating element 30 . The power cord 26 is connected to the opening at the other end of the housing 21 for connecting to an external power source, such as 120VAC/60HZ or an AC grid of other voltages and frequencies. The indicator light 27 lights up when the temperature control circuit board 23 starts the heating function, so as to remind the user to pay attention to safety. The external current enters from the power line 26 and is then adjusted by the temperature control circuit board 23 .

The heating assembly 30 includes: a heating wire 31 electrically connected to the temperature control circuit board 23 , a mica paper sleeve 32 sleeved on the outside of the heating wire 31 , a cylindrical metal sleeve 33 sleeved on the outside of the mica paper sleeve 32 , and the connection Seal 34 at the end of metal sleeve 33 remote from handle assembly 20 . The heating rope 31 is arranged in a U-shaped structure, which includes: a U-shaped inner layer fiber sleeve, a resistance wire wound on the inner layer fiber sleeve, and an outer layer sleeved outside the inner layer fiber sleeve and wrapping the resistance wire Fiber casing. The resistance wire is electrically connected to the temperature control circuit board 23 to obtain the current adjusted by the temperature control circuit board 23 and generate heat. The fiber sleeve has high temperature resistance, thermal insulation, flame retardant, electrical insulation, chemical stability, weathering resistance and cold resistance, etc., which is conducive to the rapid and uniform heat transfer of the resistance wire, and the heat is transferred efficiently. to mica paper sleeve 32. The mica paper sleeve 32 is insulated and resistant to high temperature. It can also play an insulating role while transferring heat efficiently and improve the safety of electricity use. One end of the metal sleeve 33 is connected to the handle assembly 20, which generates heat after the mica paper sleeve 32 conducts heat, and acts as a direct medium for curling hair. The sealing member 34 is made of high temperature resistant and insulating material (for example, a wooden plug), and its surface is provided with an annular protrusion, and the radius of the annular protrusion is larger than the radius of the metal sleeve 33. When the thermostatic hair curler 10 is placed on the table , the metal sleeve 33 can be lifted to avoid its Direct contact with the countertop.

The clamping assembly 40 includes: an inversion seat 41 pivotally connected to one end of the metal sleeve 33 connected to the handle assembly 20 , an elastic member 42 installed between the inversion seat 41 and the metal sleeve 33 , and a clip 43 connected to the inversion seat 41 at one end , and a support frame 44 pivotally connected to one end of the metal sleeve 33 connecting the handle assembly 20 . The clip 43 is a circular arc metal sheet, and is closely arranged on the surface of the metal sleeve 33 . A pressing block 45 is provided at one end of the flip seat 41 away from the clip 43 , and the surface of the pressing block 45 is provided with anti-slip stripes. When the user presses the pressing block 45 , the turning base 41 turns over and drives the clip 43 to lift up, and a space for holding the hair is formed between the clip 43 and the metal sleeve 33 . The elastic member 42 can provide the driving force required for the reversing seat 41 to reset and clamp the hair. The function of the support frame 44 is the same as that of the annular protrusion, and it is also used to lift the metal sleeve 33 when the thermostatic hair curler 10 is placed on the table to prevent it from directly contacting the table, and can be used in conjunction with the annular protrusion.

   In the above-mentioned constant temperature hair curling iron 10 , the temperature control circuit board 23 is used to connect the external power supply and control the current and voltage supplied to the heating element 30 . The heating rope 31 in the heating assembly 30 has a three-layer structure, the resistance wire is wound on the inner fiber sleeve, and the outer fiber sleeve is sleeved outside the inner fiber sleeve wound with the resistance wire. When the resistance wire is energized After heating, the heat is transferred to the outer insulating mica paper sleeve 32 through the outer fiber sleeve. The metal sleeve is sleeved outside the mica paper sleeve 32, and the mica paper sleeve 32 transmits heat to the metal sleeve 33, so that the metal sleeve 33 generates heat evenly, and the resistance wire heats up quickly after being energized, which is convenient to provide efficient and stable The heat source makes the metal sleeve 33 rapidly heat up and maintains a constant temperature to provide a stable ironing temperature.


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