The principle and function of the perm and curler

12 2022.01.13

summary

The utility model discloses a hair perm and curler, comprising a heat preservation clip and a hollow hair curling core, the heat preservation clip forms a hollow box-shaped inner cavity when the clip body is closed, and the curling core is placed in the hollow box In the shape of the inner cavity, the outer surface of the curling core has a through hole that communicates with the hollow inner hole, and the hollow inner hole is also connected to the outer surface of the perm and curler through a joint. When the utility model works, the high-temperature heat conduction medium first enters the hollow inner hole of the curling core through the joint, and then enters the hollow box-shaped inner cavity formed when the insulating clip body is closed through the through hole on the outer surface of the curling core that communicates with the inner hole. The box-shaped inner cavity is completely filled with high-temperature heat-conducting medium, and the hair wound on the curling core is all surrounded by high-temperature heat-conducting medium, the two are in direct contact, with high thermal efficiency, the rolled hair is heated evenly, and the curling effect is better than the traditional perm curling.

1. a perm hair curler, comprising a thermal insulation clip and a hollow curling core, characterized in that the two ends of the thermal insulation clip have sidewalls, and a hollow box-shaped inner cavity is formed when the clip body is closed, and the curling The core is placed in the hollow box-shaped inner cavity, the outer surface of the curling core has a through hole communicating with the hollow inner hole, and the hollow inner hole is also communicated with the outside of the perm and curler through a joint.

2. The hair perm and curling iron according to claim 1, wherein the inner wall of the thermal insulation clip has a layer of thermal insulation layer.

3. The hair perm and curler according to claim 1, wherein the joint is a quick joint.

4. The hair perm and curler according to claim 1 or 2, wherein both ends of the hollow inner hole of the curling core are communicated with the outside of the perm and curler through joints.

5. The hair perm and curler according to any one of claims 1 to 3, wherein the box-shaped inner cavity is cylindrical, and the hair curling core is coaxial with the box-shaped inner cavity.

background technique

Commonly used hair irons are electric hair irons and steam hair irons. The heating and heating function of the electric hair iron is realized by the resistance wire or other heating element installed inside. When using, the hair bundle is wound on the curling core, and the curling core is heated by electricity. spread out. The disadvantages of this iron are:

In order to ensure that the outermost layer of hair gets the right temperature for good curling results, the surface temperature of the curling core must be set to a higher value, which can easily damage the inner layers of hair that are wound around the curling core. In addition, the excessively high temperature will also make this type of hair iron dangerous, and if it is not handled properly, it will also burn the scalp. One form of the steam perm uses a steam generator and a curling iron, using steam as a heat transfer medium, and the curling device communicates with the steam generator through a conduit. Because the working temperature of water vapor generally does not exceed 100 ° C. So it won’t damage the hair wrapped around the curling core like an electric iron.

In addition, in order to further improve the working efficiency of the hair iron, if the steam is replaced by a heat conduction medium with a higher working temperature, for example, high temperature air is used as the heat conduction medium, the working temperature can reach more than 150°C. In this case, the flaws of traditional curling irons are further revealed.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide a perm hair curler with high thermal efficiency, uniform heating of hair and good curling effect.

In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is, a hair perm and curling device, comprising a heat preservation clip and a hollow hair curling core, the two ends of the heat preservation clip have side walls, and a hollow is formed when the clip body is closed. There is a box-shaped inner cavity, the hair curling core is placed in the hollow box-shaped inner cavity, the outer surface of the curling core has a through hole that communicates with the hollow inner hole, and the hollow inner hole is also connected to the outside of the perm and curler through a joint. Connected.

In the above-mentioned hair perm and curler, the inner wall of the heat preservation clip preferably has a layer of heat preservation layer.

In the above-mentioned hair perm and curler, the box-shaped inner cavity is cylindrical, and the hair curling core is coaxial with the box-shaped inner cavity.

When the utility model works, the high-temperature heat conduction medium first enters the hollow inner hole of the curling core through the joint, and then enters the hollow box-shaped inner cavity formed when the insulating clip body is closed through the through hole on the outer surface of the curling core that communicates with the inner hole. The box-shaped inner cavity is completely filled with high-temperature heat-conducting medium, and the hair wound on the curling core is all surrounded by high-temperature heat-conducting medium. The two are in direct contact, not only heat conduction, but also heat convection, high thermal efficiency, and the curled hair is heated evenly , the curly hair effect is good.

For example, adding a layer of thermal insulation layer on the inner wall of the clip of the thermal insulation clip can reduce the heat dissipation of the clip body, improve the working temperature in the box-shaped inner cavity, and further improve the thermal efficiency and culing effect.

Description of drawings

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is an exploded view of the parts of Embodiment 1 of the hair perm and curler of the present invention.

FIG. 2 is a left side view of Embodiment 2 of the hair perm and curler of the present invention.

FIG. 3 is a cross-sectional view taken along the line A in FIG. 2 .

FIG. 4 is a cross-sectional view of Embodiment 3 of the hair perm and curler of the present invention.

FIG. 5 is a cross-sectional view of Embodiment 4 of the hair perm and curler of the present invention.

FIG. 7 is a cross-sectional view of Embodiment 5 of the hair perm and curler of the present invention.

FIG. 8 is a cross-sectional view of an integral curling core in Embodiment 6 of the hair perm and curler of the present invention.

detailed description

In Embodiment 1 of the hair perm and curler of the present invention shown in FIG. 1 , it is composed of a heat preservation clip, a curling core, a heat preservation tile and an air inlet joint. The heat preservation clip includes an upper clip la, a lower clip lb, a pin shaft le and a torsion spring ld. Because the upper clip la and the lower clip lb have side walls lal and lbl, they rotate around the pin shaft le under the elastic force of the torsion spring ld, and a hollow box-shaped cavity is formed between the upper and lower clips when the clip body is closed. In order to improve the thermal insulation effect of the thermal insulation clip and increase the working temperature in the clip, the upper and lower inner cavities of the thermal insulation clip are respectively embedded with tile-shaped thermal insulation layers 3a and 3b. The curling core is composed of a hollow core body 2a, a closed high temperature plug 2b and a ventilated high temperature plug 2c. The core body 2a is made of aluminum material, and the outer surface is sprayed with ceramic powder.

There are many hot phoenix holes in the section. The two ends of the core body 2a have evenly distributed grooves along the circumference, and the inner holes of the high temperature plugs 2b and 2c have corresponding protrusions, and the three are pressed together and will not rotate. The periphery of the high temperature plugs 2b and 2c is provided with grooves for the elastic band to fix the hair. The air inlet connector is a quick connector composed of connecting head 4a, air nozzle 4b and air valve 4c. The connecting head 4a is used to connect the conduit to the outside, and the air valve 4c is pushed by the protrusion in the middle of the high temperature plug 2c after the quick connector is installed in the hair perm and curler. Valve 4c is unplugged from the perm and curler at the quick connector

Under the action of air pressure, the sealing surface of the air outlet of the air nozzle 4b is pressed to close the high temperature air source.

Figures 2 and 3 show the structure and working principle of the second embodiment of the hair perm and curler of the present invention. Example 2 Except that the thermal insulation layers 3a and 3b are covered with all the inner cavities of the thermal insulation clips, which are different from those in Example 1, the rest are the same as those in Example 1. As can be seen from the figure, the box-shaped inner cavity of the heat preservation clip is cylindrical, and the curling core is coaxial with the box-shaped inner cavity. The air valve 4c is pushed away from the sealing surface of the air outlet of the air nozzle 4b by the protrusion 2cl in the middle of the high temperature plug 2c after the quick connector is installed in the perm and curler. The high-temperature airflow enters the core body 2a and the hollow inner hole of the curling core from the conduit and the connecting head 4a through the air outlet of the air nozzle 4b. Then, it enters the box-shaped inner cavity closed by the heat preservation clip through the hot hole on the wall of the core body 2a. When perming, the box-shaped inner cavity is completely filled with high-temperature gas, and the hair wound on the curling core is all surrounded by high-temperature gas, and the two are in direct contact, not only heat conduction, but also heat convection.

The third embodiment of the hair perm and curler of the present invention shown in FIG. 4 is a simple structure. In this embodiment, the air inlet connection 4 is a common air inlet connection.

The fourth embodiment of the hair perm and curler of the present invention shown in FIG. 5 is a double joint structure. This structure can make one connector intake air and the other connector air out. In this way, multiple perm and curling irons can be used in series.

The feature of Embodiment 5 of the hair perm and curler of the present invention shown in FIG. 6 is that the outer wall of the core body 2a of the curling core has no hot hole, while the high temperature plug 2c has a radial hot hole, and the box between the upper and lower Shaped cavity to transport hot phoenix.

Figures 7 and 8 show two simplified curling core structures. Figure 7 shows an integral curling core for use with a common air inlet connector. Figure 8 shows a combined curling core for use with quick connectors.


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