CN213281872U - Automatic hair curler - Google Patents

Abstract

The utility model discloses an automatic curler, include: the heating device comprises a shell and a heating component, wherein the shell is provided with a positioning groove; the heating component is provided with a convex structure which can be inserted and matched with the positioning groove; one of the protruding structure and the side wall of the positioning groove is provided with a clamping groove, the other one of the protruding structure and the side wall of the positioning groove is provided with an elastic piece capable of being matched with the clamping groove, and/or the protruding structure and the side wall of the positioning groove are provided with a magnetic attraction structure, and the protruding structure can be matched with the side wall of the positioning groove in a magnetic attraction manner through the magnetic attraction structure. The hair curler can conveniently replace heating components of different specifications, and then hair waves of different sizes can be conveniently rolled out.

Description

Automatic hair curler

Technical Field

The utility model relates to a hairdressing tool technical field, in particular to automatic curler.

Background

At present, some curlers on the market, its heating element are non-detachable, and the stick that generates heat in the heating element is big or small differently, and its hair wave size that can roll out is also different, consequently, need purchase the curler of multiple different specification styles just can roll out the hair wave of equidimension, and the acquisition cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an automatic curler can conveniently change the heating element of different specifications, and then rolls up out the hair wave of equidimension not.

According to the utility model discloses an automatic curler of embodiment, include: the heating device comprises a shell and a heating component, wherein the shell is provided with a positioning groove; the heating component is provided with a convex structure which can be inserted and matched with the positioning groove; one of the protruding structure and the side wall of the positioning groove is provided with a clamping groove, the other one of the protruding structure and the side wall of the positioning groove is provided with an elastic piece capable of being matched with the clamping groove, and/or the protruding structure and the side wall of the positioning groove are provided with a magnetic attraction structure, and the protruding structure can be matched with the side wall of the positioning groove in a magnetic attraction manner through the magnetic attraction structure.

According to the utility model discloses automatic curler has following beneficial effect at least: the heating component is transversely positioned by inserting and matching the convex structures and the positioning grooves, and the heating component is positioned in the vertical direction by matching the elastic pieces and the clamping grooves, so that the heating component can be stably fixed on the shell; the elastic piece can elastically deform, and the elastic piece and the clamping groove can be conveniently separated from each other, so that the current heating assembly can be conveniently detached, the heating assemblies with different specifications can be replaced, hair waves with different sizes can be rolled out, different hair qualities can be adapted, a plurality of hair curlers with different specification styles do not need to be purchased, and the purchase cost is saved; in addition, the magnetic attraction structure on the protruding structure and the positioning groove can also effectively position the heating component in the up-and-down direction, so that the heating component can be stably fixed on the shell.

According to some embodiments of the present invention, the elastic member includes a compression spring and a protrusion, wherein the slot is disposed on the protrusion, the side wall of the positioning slot is provided with a receiving slot, one end of the compression spring is connected or abutted to an end wall of the receiving slot, the other end of the compression spring is connected or abutted to the protrusion, the protrusion is slidably disposed on the receiving slot, and the protrusion can be inserted into and fitted with the slot; or the draw-in groove is located the lateral wall of constant head tank, protruding structure is equipped with the holding tank, compression spring's one end with the end wall of holding tank is connected or the butt, compression spring's the other end with the lug is connected or the butt, lug slidable is located the holding tank, the lug can with the draw-in groove is inserted and is established the cooperation. The convex structure is inserted into the positioning groove and is contacted with the elastic piece, the side wall of the convex structure pushes the convex block towards the accommodating groove, meanwhile, the compression spring applies elastic pressure to the convex block, so that the convex block has a tendency of extending out of the accommodating groove, and when the convex block corresponds to the clamping groove, the convex block is pushed into the clamping groove by the elastic pressure of the compression spring, so that the heating assembly is positioned; on the contrary, when the heating component is to be taken out, the heating component is pulled upwards by force, the lug is pressed into the accommodating groove again by the side wall of the protruding structure, so that the lug is separated from the clamping groove, the heating component is conveniently taken out, and the replacement of different heating components is facilitated.

According to some embodiments of the utility model, the lug is equipped with first spacing bulge loop, the holding tank lateral wall be equipped with the spacing protruding edge of first spacing bulge loop butt. Through first spacing bulge loop and spacing protruding butt of following, prevent that the lug from being released outside the holding tank and breaking away from the holding tank by compression spring, improve the action reliability and the structural stability of elastic component.

According to some embodiments of the invention, the one end of lug is equipped with wedge portion, wedge portion can insert the draw-in groove. Through setting up wedge portion, be favorable to the lug to slide into and the roll-off draw-in groove along the inclined plane of wedge portion, make heating element easily install and dismantle, conveniently change heating element.

According to the utility model discloses a some embodiments still include driving piece and carousel, the driving piece is located the casing, the driving piece with the carousel links to each other in order to drive the carousel rotates, the carousel is equipped with curly hair spare, and the driving piece passes through the carousel and drives curly hair spare rotation, twines the bending to hair, and the cooperation heating element reaches the effect of crooked design hair.

According to some embodiments of the utility model, curly hair spare with be equipped with spacing fin between the heating element, spacing fin with curly hair spare can dismantle the connection. Spacing fin through setting up different width adjusts spacing fin and heating element's interval to make and hold different volume of sending out between curly hair claw and the heating element, can carry out the adaptability adjustment to the hair of different volume of sending out promptly, and then roll up out the curly hair of different curls of degree.

According to some embodiments of the present invention, one of the rotary plate and the hair curling member is provided with an insertion portion, and the other is provided with a slot engaged with the insertion portion. Through grafting portion and slot cooperation, realize the carousel and be connected with dismantling of curly hair piece, conveniently dismantle and change curly hair piece, and then adjust the interval of curly hair piece and heating element through changing spacing fin.

According to some embodiments of the utility model, the heating element include fixed sleeve and with fixed muffjoint's the stick that generates heat, protruding structure is located fixed sleeve's bottom, curly hair spare with the carousel is equipped with the confession the through-hole that the stick that generates heat passes through makes curly hair spare and carousel can overlap and locate the stick that generates heat, and the stick that generates heat is located the central axis position of curly hair spare and carousel, therefore curly hair spare and carousel can rotate for the stick that generates heat, are favorable to curly hair operation.

According to some embodiments of the utility model, the through-hole is equipped with presses the hair piece, press the hair piece with the stick that generates heat rotates to be connected, press the hair piece with the carousel or curly hair piece fixed connection curls the hair in-process, to the less condition of stick width that generates heat very much, presses the hair piece and can reduce the hair and the distance that generates heat the stick, improves curly hair efficiency, and carousel or curly hair piece rotate the in-process and can drive to press the hair piece and rotate together, effectively support and press the hair.

According to some embodiments of the utility model, the curly hair spare is equipped with the holding cavity, the holding cavity has the under shed, fixed sleeve is equipped with the spacing bulge loop of second, the spacing bulge loop of second is located the holding cavity, the roof of holding cavity with the roof of casing is right the spacing bulge loop centre gripping of second is spacing, and from this, fixed sleeve is fixed in the holding cavity, and heating element and curly hair spare form the firm whole of connection, have improved the connection steadiness of heating element and curly hair spare.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of an automatic hair curler according to an embodiment of the present invention;

FIG. 2 is an enlarged view of area A shown in FIG. 1;

FIG. 3 is an exploded view of the hair curling element and the turntable of the automatic hair curling device shown in FIG. 1;

FIG. 4 is a schematic view of the heating element and hair curling element of another embodiment of the automatic hair curling device of FIG. 1 in cooperation;

FIG. 5 is a schematic view of the heating element and hair curling element of another embodiment of the automatic hair curling device of FIG. 1 in cooperation;

FIG. 6 is a schematic view of a stationary sleeve of the automatic curling iron shown in FIG. 1;

fig. 7 is a schematic view of an automatic hair curler according to another embodiment of the present invention;

FIG. 8 is an exploded view of the automatic curling iron shown in FIG. 7;

FIG. 9 is another angle schematic of the automatic curling iron shown in FIG. 8;

fig. 10 is a schematic view of the heating element of the automatic curling iron shown in fig. 9.

Reference numerals:

the hair curler comprises a shell 100, an elastic piece 110, a bump 111, a first limit convex ring 111a, a wedge part 111b, a compression spring 112, a positioning groove 120, a limit convex edge 130, a heating component 200, a heating rod 210, a fixing sleeve 220, a convex structure 221, a clamping groove 222, a second limit convex ring 223, a turntable 300, a plug part 310, a gear ring 320, a driving piece 400, a gear structure 410, a hair curler 500, a limit fin 510, a slot 520, a groove 530, a hair pressing piece 600 and a bump 610.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, an automatic hair curler according to an embodiment of the present invention includes: the heating element comprises a shell 100 and a heating component 200, wherein the shell 100 is provided with a positioning groove 120; the heating element 200 is provided with a protrusion structure 221 capable of being inserted into the positioning groove 120, the protrusion structure 221 is provided with a clamping groove 222, the side wall of the positioning groove 120 is provided with an elastic member 110 capable of being matched with the clamping groove 222, the protrusion structure 221 and the side wall of the positioning groove 120 are provided with a magnetic attraction structure, and the protrusion structure 221 can be magnetically attracted to be matched with the side wall of the positioning groove 120 through the magnetic attraction structure.

Specifically, the protrusion structure 221 and the positioning groove 120 are inserted and matched to realize the transverse positioning of the heating assembly 200, and the elastic member 110 and the clamping groove 222 are matched to realize the vertical positioning of the heating assembly 200, so that the heating assembly 200 can be stably fixed on the housing 100; elastic component 110 self can elastic deformation, and elastic component 110 and draw-in groove 222 can conveniently break away from the cooperation, consequently can conveniently dismantle current heating element 200 and change the heating element 200 of different specifications, come the hair wave of roll-out equidimension not, adapt to different hair qualities, need not to purchase the curler of a plurality of different specification styles, have practiced thrift the purchase cost. Of course, in some embodiments, the positions of the elastic member 110 and the locking slot 222 may be interchanged, and the effects are the same. In addition, the magnetic attraction structure on the protruding structure 221 and the positioning groove 120 can also effectively position the heating element 200 in the up-and-down direction, so that the heating element 200 can be stably fixed on the casing 100, and the elastic clamping fit of the elastic part 110 and the clamping groove 222 can further improve the fit compactness of the protruding structure 221 and the positioning groove 120, and further the casing 100 is not easily separated from the heating element 200.

In some embodiments of the present invention, the protrusion structures 221 and the side walls of the positioning groove 120 are only provided with the elastic members 110 and the locking grooves 222, so that the heating assembly 200 and the housing 100 can be firmly fixed, and can be easily detached; in other embodiments, the protrusion structures 221 and the sidewalls of the positioning groove 120 are only provided with magnetic attraction structures, so that the heat generating component 200 and the housing 100 can be firmly fixed and easily detached by the magnetic attraction of the magnetic attraction structures. The structure adopted for the vertical positioning of the protrusion structure 221 and the positioning groove 120 can be selected and set according to actual requirements, and is not limited herein.

Further, in some embodiments of the present invention, the magnetic attraction structure may be a second magnet corresponding to and including the first magnet and the first magnet, the first magnet is embedded and fixed on the protrusion structure 221, the second magnet is embedded and fixed on the sidewall of the positioning groove 120, when the protrusion structure 221 is inserted into the positioning groove 120, the first magnet and the second magnet are close to each other and magnetically attract the matching, so that the protrusion structure 221 is firmly fixed in the positioning groove 120. It is contemplated that in some embodiments, the magnetic structure may also include a magnet and a magnetic metal component, the magnet and the magnetic metal component are respectively disposed on the sidewalls of the positioning slot 120 and the protrusion structure 221, and the positions of the magnet and the magnetic metal component can be interchanged, when the protrusion structure 221 is inserted into the positioning slot 120, the magnet and the magnetic metal component approach each other, and the magnetic structure can also be magnetically coupled to position the protrusion structure 221 in the vertical direction. The magnetic metal piece can be made of iron materials and nickel materials; the magnet can be preferably a rubidium magnet block commonly seen in the market, and has stable magnetic attraction capacity.

In some embodiments of the present invention, as shown in fig. 1 and fig. 2, the elastic member 110 includes a compression spring 112 and a protrusion 111, wherein the engaging groove 222 is disposed on the protrusion structure 221, the sidewall of the positioning groove 120 is provided with an accommodating groove, one end of the compression spring 112 is connected or abutted to an end wall of the accommodating groove, the other end of the compression spring 112 is connected or abutted to the protrusion 111, the protrusion 111 is slidably disposed on the accommodating groove, and the protrusion 111 can be inserted into and engaged with the engaging groove 222; or the clamping groove 222 is arranged on the side wall of the positioning groove 120, the protrusion structure 221 is provided with an accommodating groove, one end of the compression spring 112 is connected with or abutted against the end wall of the accommodating groove, the other end of the compression spring 112 is connected with or abutted against the projection 111, the projection 111 is slidably arranged on the accommodating groove, and the projection 111 can be inserted into the clamping groove 222 for matching. The protrusion structure 221 is inserted into the positioning groove 120 and contacts with the elastic element 110, the side wall of the protrusion structure 221 presses the protrusion 111 into the receiving groove, meanwhile, the compression spring 112 applies elastic pressure to the protrusion 111, so that the protrusion 111 has a tendency of extending out of the receiving groove, when the protrusion 111 corresponds to the slot 222, the protrusion 111 is pushed into the slot 222 by the elastic pressure of the compression spring 112, thereby positioning the heating element 200; on the contrary, when the heating element 200 is to be taken out, the heating element 200 is pulled upwards, the side wall of the protrusion structure 221 presses the protrusion 111 into the accommodating groove again, so that the protrusion 111 is disengaged from the slot 222, the heating element 200 is taken out conveniently, and the replacement of different heating elements 200 is facilitated.

Further, in some embodiments of the present invention, as shown in fig. 1 and 2, the bump 111 is provided with a first limiting convex ring 111a, and the side wall of the accommodating groove is provided with a limiting convex edge 130 abutting against the first limiting convex ring 111 a. The first limit convex ring 111a is abutted with the limit convex edge 130, so that the lug 111 is prevented from being pushed out of the accommodating groove by the compression spring 112 and being separated from the accommodating groove, and the action reliability and the structural stability of the elastic piece 110 are improved.

Further, in some embodiments of the present invention, as shown in fig. 2, one end of the protrusion 111 is provided with a wedge portion 111b, and the wedge portion 111b can be inserted into the slot 222. Through setting up wedge portion 111b, be favorable to lug 111 to slide in and the roll-off draw-in groove 222 along the inclined plane of wedge portion 111b, make heating element 200 easily install and dismantle, conveniently change heating element 200.

In some embodiments of the present invention, as shown in fig. 1 and fig. 8, the hair styling device further includes a driving member 400 and a rotating disc 300, the driving member 400 is disposed on the casing 100, the driving member 400 is connected to the rotating disc 300 to drive the rotating disc 300 to rotate, the rotating disc 300 is provided with a hair curling member 500, the driving member 400 drives the hair curling member 500 to rotate through the rotating disc 300, the hair is twisted and bent, and the heating element 200 is engaged to achieve the effect of bending and styling the hair. Specifically, the driving member 400 is a motor, the output shaft of the motor is provided with a gear structure 410, the turntable 300 is provided with a gear ring 320 meshed with the gear structure 410, and the gear structure 410 is meshed with the gear ring 320, so that the motor drives the turntable 300 to rotate, the assembly and disassembly of the turntable 300 and the motor are facilitated, and the maintenance is convenient. In some embodiments, the gear structure 410 may be provided with only one gear, and the gear is fixedly connected to the output shaft, so that the motor drives the turntable 300 to rotate; of course, in other embodiments, the gear structure 410 may also be a gear assembly composed of a plurality of gears with different transmission ratios, wherein one gear is fixedly connected to the output shaft of the motor, and the other gear is engaged with the gear ring 320, and the gear engaged with the gear ring 320 can be decelerated through the gear assembly, so as to facilitate the operation of the hair curling assembly; in addition, in other embodiments, the rotating shaft of the motor may also be directly and fixedly connected to the turntable 300 to drive the turntable 300 to rotate.

As shown in fig. 8 and 9, the casing 100 includes two half shells clamped and matched with each other and a fixed shell located between the half shells, the motor and gear structure 410 is disposed on the fixed shell, the turntable 300 is sleeved on the fixed shell and can rotate relative to the fixed shell, and the positioning slot 120 is located at the middle position of the top of the fixed shell to facilitate the insertion of the protrusion structure 221; in addition, electric connection contacts matched with each other are arranged between the fixing shell and the fixing sleeve 220, so that the heating rod 210 is conveniently powered.

Further, in some embodiments of the present invention, as shown in fig. 3 and 4, a limiting fin 510 is disposed between the hair curling element 500 and the heating element 200, and the limiting fin 510 is detachably connected to the hair curling element 500. In practical application, as shown in fig. 4 and 5, the spacing between the limiting fins 510 and the heating element 200 is adjusted by arranging the limiting fins 510 with different widths, so that different hair volumes can be accommodated between the hair curling claw and the heating element 200, that is, hair with different hair volumes can be adaptively adjusted, and curled hair with different curling degrees can be curled.

Wherein, can set up on the curly hair claw and supply spacing fin 510 sliding fit's slot 520, spacing fin 510 inserts slot 520 from the bottom surface of curly hair claw, then carries on spacingly by the stopper to spacing fin 510 to prevent that spacing fin 510 from droing. It is contemplated that in some embodiments, the limiting fin 510 may also be configured to engage with the hair curling claw by a conventional engaging structure, for example, an L-shaped buckle is disposed on the limiting fin 510, and a groove body is disposed on the hair curling claw to engage with the buckle, so that the limiting fin 510 can be easily detached and replaced.

In some embodiments of the present invention, as shown in fig. 3, 4 and 5, the top of the rotating plate 300 is provided with a plug portion 310, and the bottom of the hair curling element 500 is provided with a slot 520 engaged with the plug portion 310. Through the cooperation of plug part 310 and slot 520, realize the dismantlement of carousel 300 and curling iron 500 and be connected, conveniently dismantle and change curling iron 500, and then adjust the interval of curling iron 500 and heating element 200 through changing spacing fin 510. In some embodiments, the positions of the plug 310 and the slot 520 may be interchanged, and the effect of the function is not changed. Specifically, as shown in fig. 3, the hair curling member 500 is a claw-shaped member formed by a circular disc body and a plurality of cylindrical bodies, the circular disc body and the cylindrical bodies can be molded together by injection, so that the processing is convenient, the structural stability of the hair curling member 500 is improved, the cylindrical bodies can be set to be two, three, four, etc., so that the hair can be effectively wound, the hair curling operation is performed by matching with the heating assembly 200, and the number of the cylindrical bodies can be correspondingly set according to the practical application without limitation.

It is understood that, in some embodiments of the present invention, as shown in fig. 7, 8 and 9, the hair curling element 500 and the rotating plate 300 can be connected into a single structure, and can be integrally formed by injection molding, so as to facilitate the processing and save the cost.

It should be noted that fig. 1 and 7 respectively illustrate two embodiments of the automatic curling iron, which are different in that fig. 1 illustrates the automatic curling iron, the curling element 500 and the turntable 300 are detachably coupled, fig. 2 to 6 correspond to the automatic curling iron of fig. 1, while fig. 7 illustrates the automatic curling iron, the curling element and the turntable 300 as a single structure, and fig. 8 to 10 correspond to the automatic curling iron of fig. 2; in addition to the above differences, other structural features are substantially identical and interchangeable.

In some embodiments of the present invention, as shown in fig. 8 and 9, the heating assembly 200 includes a fixing sleeve 220 and a heating rod 210 connected to the fixing sleeve 220, the protrusion 221 is disposed at the bottom of the fixing sleeve 220, the hair curling member 500 and the turntable 300 are provided with through holes for the heating rod 210 to pass through, so that the hair curling member 500 and the turntable 300 can be sleeved on the heating rod 210, and the heating rod 210 is located at a central axis position of the hair curling member 500 and the turntable 300, so that the hair curling member 500 and the turntable 300 can rotate relative to the heating rod 210, which is beneficial for curling hair. The protrusion structure 221 may substantially form a cylindrical structure, so as to be conveniently inserted into and engaged with the positioning groove 120.

In some embodiments of the utility model, as shown in fig. 8 and 9, the through-hole is equipped with presses send out a 600, press send out a 600 and generate heat the stick 210 and rotate and be connected, press send out a 600 and carousel 300 or curly hair piece 500 fixed connection, curly hair in-process, to the less condition of stick 210 width that generates heat very much, press send out a 600 and can reduce hair and generate heat the distance of stick 210, improve curly hair efficiency, carousel 300 or curly hair piece 500 rotate the in-process and can drive and press send out a 600 and rotate together, effectively support and press the hair.

Specifically, the hair press 600 comprises a ring structure and a rotating hook, wherein the rotating hook is positioned at one side of the ring structure and can rotate around the central axis of the ring structure; as shown in fig. 8, in order to make the hair curling element effectively drive the hair pressing element to rotate integrally, a protrusion 610 may be disposed on a side wall of the hair pressing element 600, and a groove 510 engaged with the protrusion 610 may be disposed on the hair curling element 500, and in some embodiments, the positions of the protrusion 610 and the groove 510 may be interchanged.

It is understood that, in some embodiments, as shown in fig. 9 and 10, for some heating rods 210 with larger widths, after being mounted in the housing 100, the hair-compressing member 600 can be removed without affecting the assembly of the heating assembly 200 because the distance between the columns of the hair-compressing member 500 and the heating rod 210 is small, so that effective hair-compressing can be performed.

According to some embodiments of the present invention, as shown in fig. 3, 4 and 5, the hair curling element 500 is provided with a receiving cavity having a lower opening, the fixing sleeve 220 is provided with a second limit protruding ring 223, the second limit protruding ring 223 is provided in the receiving cavity, the top wall of the receiving cavity and the top wall of the housing 100 clamp and limit the second limit protruding ring 223, specifically, the rotary plate 300 is sleeved on the fixing shell between the two half shells, the hair curling element 500 is detachably mounted on the rotary plate through the above-mentioned inserting portion 310 and the inserting slot 520, a clamping gap is formed between the top wall of the fixing case and the top wall of the receiving cavity to effectively limit the second limit convex ring 223 in the up-and-down direction, therefore, the fixing sleeve 220 is fixed in the accommodating cavity, the heating assembly 200 and the hair curling element 500 form a whole with stable connection, and the connection stability of the heating assembly 200 and the hair curling element 500 is improved.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.

Claims (10)

1. An automatic hair curler, comprising:

the device comprises a shell, a positioning groove and a positioning groove, wherein the shell is provided with the positioning groove;

the heating component is provided with a convex structure which can be inserted and matched with the positioning groove;

one of the protruding structure and the side wall of the positioning groove is provided with a clamping groove, and the other is provided with an elastic piece capable of being matched with the clamping groove, and/or

The protruding structure and the side wall of the positioning groove are provided with magnetic attraction structures, and the protruding structure can be matched with the side wall of the positioning groove in a magnetic attraction mode through the magnetic attraction structures.

2. The automatic curling iron of claim 1,

the elastic member includes a compression spring and a protrusion, wherein,

the clamping groove is arranged on the protruding structure, an accommodating groove is formed in the side wall of the positioning groove, one end of the compression spring is connected with or abutted against the end wall of the accommodating groove, the other end of the compression spring is connected with or abutted against the convex block, the convex block is slidably arranged in the accommodating groove, and the convex block can be inserted into and matched with the clamping groove; or

The draw-in groove is located the lateral wall of constant head tank, protruding structure is equipped with the holding tank, compression spring's one end with the end wall of holding tank is connected or the butt, compression spring's the other end with the lug is connected or the butt, the lug slidable is located the holding tank, the lug can with the draw-in groove is inserted and is established the cooperation.

3. The automatic curling iron of claim 2,

the lug is equipped with first spacing bulge loop, the holding tank lateral wall be equipped with the spacing protruding edge of first spacing bulge loop butt.

4. The automatic curling iron of claim 2 or 3,

one end of the lug is provided with a wedge-shaped part, and the wedge-shaped part can be inserted into the clamping groove.

5. The automatic curling iron of claim 1,

the hair curler is characterized by further comprising a driving piece and a rotary table, wherein the driving piece is arranged on the shell, the driving piece is connected with the rotary table to drive the rotary table to rotate, and the rotary table is provided with a hair curling piece.

6. The automatic curling iron of claim 5,

the hair curling piece and the heating component are provided with limiting fins, and the limiting fins are detachably connected with the hair curling piece.

7. Automatic hair curler according to claim 5 or 6,

one of the rotary disc and the hair curling piece is provided with an inserting part, and the other is provided with a slot matched with the inserting part.

8. The automatic curling iron of claim 7,

the heating assembly comprises a fixing sleeve and a heating rod connected with the fixing sleeve, the protruding structure is arranged at the bottom of the fixing sleeve, and the hair curling piece and the rotary disc are provided with through holes for the heating rod to pass through.

9. The automatic curling iron of claim 8,

the through hole is provided with a hair pressing piece, the hair pressing piece is rotationally connected with the heating rod, and the hair pressing piece is fixedly connected with the rotary disc or the hair curling piece.

10. Automatic hair curler according to claim 8 or 9,

the hair curler is provided with an accommodating cavity, the accommodating cavity is provided with a lower opening, the fixing sleeve is provided with a second limiting convex ring, the second limiting convex ring is arranged in the accommodating cavity, and the top wall of the accommodating cavity and the top wall of the shell clamp and limit the second limiting convex ring.

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