Hair curling cup, curling head and curling device

Abstract

The utility model relates to hairdressing equipment technical field provides a hair cup, curling head and curling iron. The inside of hair cup forms at least the cavity for accommodating hair, is equipped with the opening for the hair of processing to enter the cavity and is equipped with curling groove for accommodating the hair of entering via the opening and carrying out curling processing in hair cup, and the opening, curling groove and cavity all intercommunicate, and the curling groove is at least spaced apart and equipped with two. Through adopting two at least spacing apart and being equipped with curling groove, each curling groove can distinguish the position of hair putting into hair cup, and provides structural basis for realizing the function of position identification of curling iron. The sensor and control part can be arranged on the curling head and curling iron, so that the user only needs to put the hair into one of the curling grooves according to the curling requirement, and the sensor can identify the position of the hair, and the control part can control the curling iron to automatically perform various operations, thereby reducing manual operation and improving the use experience.

Description

Technical Field

[0001] This utility model relates to the field of hair styling equipment technology, specifically to a hair cup, a hair curling head, and a hair curler. Background Technology

[0002] Curling irons are a common type of hair styling device that can curl hair into preset shapes and shape it using heat or hair styling agents. Currently, automatic curling irons on the market automatically wrap hair around a heating element, eliminating the need for manual winding and making them more convenient to use.

[0003] Automatic hair curlers in related technologies can only rotate and curl hair in one direction, or the direction of rotation requires manual control, which is prone to errors and has poor ease of use, affecting the user experience. Utility Model Content

[0004] In view of this, the present invention provides a hair cup, a hair curling head, and a hair curler to solve the problem that the existing hair curlers are not very convenient to use and thus affect the user experience.

[0005] To solve the above problems, the technical solution of this utility model is implemented as follows:

[0006] A hair cup is applied to a curling head. The interior of the hair cup has at least a cavity for accommodating hair. The hair cup has an opening for allowing hair to be processed to enter the cavity and a curling groove for accommodating hair entering through the opening for curling. The opening, the curling groove, and the cavity are all interconnected. At least two curling grooves are provided at intervals.

[0007] In some embodiments, the hair cup includes: a cup body with a hollow interior forming the cavity, an opening at the top of the cup body, and curling grooves on the side wall of the cup body, with a partition wall formed between two adjacent curling grooves; wherein, along the height direction of the cup body, the height of the partition wall is lower than the height of the side wall, so as to form an entry channel connecting the opening and each of the curling grooves.

[0008] In some embodiments, the height difference between the partition wall and the side wall is 10mm to 25mm.

[0009] In some embodiments, the sidewall is provided with a protrusion facing into the inlet channel, and at least a portion of the protrusion is located above the partition wall.

[0010] In some embodiments, the protrusions are respectively provided on two opposite sidewalls located within the same inlet / outlet channel, and the two protrusions are spaced apart.

[0011] In some embodiments, one of the two opposing sidewalls located within the same inlet / outlet channel is provided with the protrusion.

[0012] In some embodiments, the outline shape of the protrusion is set to "arc".

[0013] In some embodiments, the sidewall is provided with a positioning notch for positioning the hair to be entered into the curling groove.

[0014] In some embodiments, the cup body has a "circular" cross-section perpendicular to the height direction; wherein, in the radial direction of the cross-section, the positioning notch and the inlet / outlet channel are arranged opposite each other.

[0015] In some embodiments, the width of the positioning notch is the same as the width of the inlet / outlet channel.

[0016] In some embodiments, the width of the curling groove is smaller than the width of the hair inlet channel or the width of the positioning notch.

[0017] This utility model embodiment also provides a hair curling head, applied to a hair curler, comprising: the aforementioned hair cup; a heating element for heating hair, the heating element being at least partially disposed within the cavity; and a hair wrapping element disposed between the hair cup and the heating element, and rotating relative to the heating element, the hair wrapping element being used to wrap the hair to be processed around the heating element.

[0018] This utility model embodiment also provides a hair curler, including a main body and the above-mentioned curling head, wherein the main body is connected to the curling head.

[0019] In some embodiments, the curling head further includes a sensor for identifying the position of the hair insertion; wherein the main body is provided with at least a control element for controlling the rotation direction of the hair-wrapping component, and the sensor is electrically connected to the control element.

[0020] This utility model provides a hair cup, a curling head, and a hair curler. The hair cup has an internal cavity, and an opening and a curling groove communicating with the cavity are formed on the hair cup. By using at least two curling grooves spaced apart, each curling groove can distinguish the position of the hair placed in the hair cup, providing a structural basis for the hair curler to realize the position recognition function. The curling head includes the aforementioned hair cup, heating element, and hair winding element. The hair curler includes a main body and the aforementioned curling head. By using a sensor to identify the position of the hair placed on the curling head and a control element on the main body, the user only needs to place the hair into any one of the curling grooves according to the curling requirements. The sensor can identify the position of the hair placed in the groove, and the hair curler can automatically determine the direction of hair winding, thereby enabling the user's hair to be shaped as expected. This eliminates the need for the user to manually select the direction of hair winding when using the hair curler, making the operation more convenient and significantly reducing the possibility of operational errors, resulting in a better user experience. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the hair curler provided in this embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the first type of steaming cup provided in this embodiment of the utility model;

[0023] Figure 3 This is a front view of the first type of steaming cup provided in this embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the second type of fermentation cup provided in this embodiment of the present invention;

[0025] Figure 5 This is an exploded view of the curling head provided in an embodiment of this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Hair cup; 10. Cup body; 11. Cavity; 12. Opening; 13. Curling groove; 14. Divider wall; 15. Hair inlet channel; 16. Cup base; 17. Protrusion; 18. Positioning notch; 20. Curling head; 21. Heating element; 22. Hair winding element; 30. Main body; 100. Curling iron. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] The specific technical features described in the specific embodiments can be combined in any suitable manner without contradiction. For example, different combinations of specific technical features can form different embodiments and technical solutions. To avoid unnecessary repetition, the various possible combinations of the specific technical features in this utility model will not be described separately.

[0030] In the following description, the terms "first," "second," etc., are used merely to distinguish different objects and do not indicate that the objects have the sameness or relationship. It should be understood that the directional descriptions "above," "below," "outside," and "inside" refer to the orientation under normal use conditions, while "left" and "right" refer to the left and right directions shown in the corresponding diagrams, which may or may not be the left and right directions under normal use conditions.

[0031] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. "A plurality of" means two or more.

[0032] like Figure 1 and Figure 2 As shown, this embodiment of the invention provides a hair cup 1, which is applied to the curling head 20 of a curling iron 100 and is a component constituting the outer shell of the curling head 20. The hair to be processed is inserted into the hair cup 1, and the hair cup 1 limits the position of the hair to assist in shaping it. Specifically, the hair cup 1 has at least one cavity 11 for accommodating the hair, and the hair cup 1 has an opening 12 for the hair to be processed to enter the cavity 11 and a curling groove 13 for accommodating the hair entering through the opening 12 for curling. The opening 12, the curling groove 13, and the cavity 11 are all interconnected. At least two curling grooves 13 are spaced apart.

[0033] Specifically, the cavity 11 formed inside the hair cup 1, in addition to accommodating the hair to be treated, is also typically used to accommodate the related components of the curling head 20, providing a covering and protection for these components. The opening 12 on the hair cup 1 communicates with the cavity 11, allowing the hair to be treated to enter the cavity 11 when the curling iron 100 is used. The opening 12 can also be used to accommodate the related components of the curling head 20 within the cavity 11; for example, components used for heating the hair can also be inserted into the cavity 11 through this opening 12. The curling groove 13 and opening 12 on the hair cup 1 are both connected to the cavity 11. Before the hair curler 100 is started, the curling groove 13 can limit and guide the winding position of the hair to be processed. Specifically, the hair is put into the cavity 11 through the opening 12 and placed into the corresponding curling groove 13, so that the hair passes through the curling groove 13 and extends outward. Through the limiting effect of the curling groove 13, the part of the hair that begins to be wound is fixed in the cavity 11. When the hair curler 100 is started, this part of the hair is first wound under the action of the curling head 20, and then the hair outside the curling groove 13 is wound into the cavity 11 through the curling groove 13 and gradually wound on the shaping component (such as the component for heating), and finally the hair is shaped into curls.

[0034] It should be noted that in this embodiment of the invention, each curling groove 13 is used to guide and position the hair to be processed into the cavity 11 through the opening 12, rather than for the hair to be placed into the cavity 11 from one curling groove 13 and protrude from another. In this way, each curling groove 13 can position the hair to be processed in different positions, thus distinguishing the placement location of the hair. Combined with the position identification component in the curling iron 100, the specific placement location of the hair can be identified. Depending on the identified location, the curling iron 100 can perform different operations. For example, when the curling iron 100 identifies the hair as being in one of the curling grooves 13, it performs clockwise winding; when it identifies the hair as being in another curling groove 13, it performs counterclockwise winding. For example, in some implementations, multiple curling slots 13 are provided. When the curling iron 100 detects hair in one portion of the curling slots 13, it winds the hair clockwise; when it detects hair in another portion of the curling slots 13, it winds the hair counterclockwise. The above example uses the position of the hair to determine the direction of hair winding. It is understandable that the curling iron 100 can also perform other operations based on the position of the hair, such as determining the winding speed and the heating time. This design is more flexible and eliminates the need for manual input of operating instructions, simplifying operation and improving ease of use.

[0035] In some implementation schemes, to help users identify the operation of the curling iron 100 corresponding to each curling slot 13, different text or patterns can be added near each curling slot 13 for explanation, or each curling slot 13 can be set to have different shapes and sizes for easy differentiation. This design provides better user guidance and prompts, helps users quickly familiarize themselves with the usage process, and is more user-friendly.

[0036] The hair cup 1 provided in this embodiment of the utility model has a cavity 11 inside, and an opening 12 and a curling groove 13 communicating with the cavity 11 are provided on the hair cup 1. By using at least two curling grooves 13 spaced apart, each curling groove 13 can guide and position the hair to be processed, and the different curling grooves 13 can distinguish the position where the hair is placed, providing a structural basis for the curling iron 100 to realize the position recognition function. Then, by judging whether there is hair in the corresponding curling groove 13, the rotation direction command can be automatically obtained, without the need for the user to manually input the rotation direction operation command. The automatic curling action is accurate, the operation is more convenient, and the user experience is improved.

[0037] In some embodiments, such as Figure 2 As shown, the hair cup 1 includes a cup body 10, the interior of which is hollow, forming a cavity 11. An opening 12 is formed at the top of the cup body 10, and curling grooves 13 are formed on the side wall of the cup body 10. A partition wall 14 is formed between two adjacent curling grooves 13. The height of the partition wall 14 is lower than the height of the side wall of the cup body 10 along the height direction of the cup body 10, forming an inlet channel 15 connecting the opening 12 and each curling groove 13. In some embodiments, the hair cup 1 also includes a cup holder 16 connected to the cup body 10, which can be used to connect to related components of the curling iron 100. Of course, it is understood that the hair cup 1 may also not include the cup holder 16, in which case the cup body 10 can be directly connected to the related components of the curling iron 100.

[0038] Optionally, in some embodiments, the partition wall 14 can be integrally formed with the cup body 10; in other embodiments, the partition wall 14 can be set as an independent component and installed on the cup body 10. When the partition wall 14 is set as an independent component, the connection between the partition wall 14 and the cup body 10 can be a detachable connection such as snap-fit ​​or threaded connection, or a non-detachable connection such as adhesive or welding. To achieve adjustment of the width of the curling groove 13, in some embodiments, the partition wall 14 can be set as a flexible structure, which can adjust the width of the curling groove 13 by generating a certain deformation; in other embodiments, the partition wall 14 can be set as a foldable or telescopic structure. With such a design, the width of the curling groove 13 can be adjusted as needed, which can better adapt to different hair volumes or user preferences, making the adjustment flexible and improving the adaptability.

[0039] In the above embodiment, the height of the partition wall 14 is set to be lower than the height of the side wall of the cup body 10, thereby forming a hair inlet channel 15 above the partition wall 14. The hair inlet channel 15 can provide a certain guiding effect before the hair is put into the curling groove 13, and can gather the hair in the hair inlet channel 15, reduce the dispersion of the hair, and make it easier for the user to locate the position of the curling groove 13, thus making it easier to put the hair into the desired curling groove 13.

[0040] In some embodiments, such as Figure 3 As shown, the height difference D between the partition wall 14 and the side wall of the cup body 10 is set to 10mm to 25mm. With this design, the depth of the hair inlet channel 15 formed above the partition wall 14 is moderate, preventing hair from easily detaching from the channel 15 and providing good hair guidance. Simultaneously, it meets the depth requirements of the curling groove 13 formed between the partition wall 14 and the side wall of the cup body 10. Of course, it is understood that this height difference D can also be set to other values, depending on user needs and other factors. In some implementation schemes, the partition wall 14 can also be set as a flexible or foldable structure, allowing for height adjustment and greater flexibility to adapt to different needs.

[0041] In some embodiments, such as Figure 4 As shown, a protrusion 17 is provided on the side wall of the cup body 10 facing the hair inlet channel 15, and at least a portion of the protrusion 17 is located above the partition wall 14. Optionally, the protrusion 17, like the partition wall 14 in the above embodiment, can be integrally formed with the cup body 10, or it can be set as a separate component and installed on the cup body 10. In some embodiments, the protrusion 17 can also be set as a flexible structure or a foldable, stretchable structure, etc., so that the size of the protrusion 17 can be flexibly adjusted according to the amount of hair to be processed or user preferences, thereby improving adaptability. By using the protrusion 17 facing the hair inlet channel 15 in the above embodiment, the width of the hair inlet channel 15 can be reduced, making the hair inlet channel 15 narrower, thereby enhancing the hair gathering effect of the hair inlet channel 15 and further reducing hair dispersion. Furthermore, by employing a protrusion 17 that is at least partially located above the partition wall 14, the protrusion 17 has a blocking effect on one end of the hair curling groove 13 that connects to the hair inlet channel 15. In this way, when the user uses the hair curler 100, the hair located in the hair curling groove 13 is less likely to come out of the hair curling groove 13 due to loosening, and the hair is better positioned.

[0042] In some embodiments, such as Figure 4As shown, protrusions 17 are respectively provided on the side walls of two opposing cups 10 within the same hair inlet channel 15, and the two protrusions 17 are spaced apart. With this design, the two protrusions 17 extend from both sides of the hair inlet channel 15 towards the center, further reducing the width of the hair inlet channel 15 and enhancing the hair-gathering effect of the hair inlet channel 15. Furthermore, the two protrusions 17 can respectively cover the curling grooves 13 on both sides of the same partition wall 14, providing a concealing effect on multiple curling grooves 13. In addition, the hair cup 1 structure with this design is more symmetrical and aesthetically pleasing. Of course, it is understood that in some embodiments, the protrusions 17 may only be provided on one of the two opposing side walls within the same hair inlet channel 15. This design also has the effects of reducing the width of the hair inlet channel 15, reducing hair dispersion, and concealing the curling grooves 13.

[0043] In some embodiments, such as Figure 4 As shown, the outline of the protrusion 17 is set to an "arc shape." "Arc shape" can be understood as a shape with a smooth transition at the edge, such as a circular arc or an elliptical arc. When the outline of the protrusion 17 adopts this shape, it improves the tactile feel of the edge of the protrusion 17, preventing discomfort caused by sharp edges. Furthermore, when the user inserts hair along the hair inlet channel 15, it is less likely to get stuck or experience noticeable pulling, resulting in better comfort. In addition, the outline of the protrusion 17 also has a good guiding effect, guiding the hair to naturally slide into the hair inlet channel 15 along the outline edge of the protrusion 17. Of course, it is understandable that the protrusion 17 can also be set to other shapes, as long as it serves to reduce the width of the hair inlet channel 15, reduce hair scattering, and cover the curling groove 13, allowing for a high degree of design flexibility.

[0044] In some embodiments, such as Figure 4 As shown, a positioning notch 18 is provided on the side wall of the cup body 10 for positioning the hair to be inserted into the curling groove 13. For example, in some embodiments, the positioning notch 18 can be provided at the top of the side wall of the cup body 10 and communicate with the opening 12. When inserting hair, the user can first place the middle part of the hair in the positioning notch 18, and then insert the hair into the curling groove 13 along the opening 12 and the hair inlet channel 15. In some embodiments, such as Figure 4 As shown, the outline shape of the positioning notch 18 can be set to "U" shape, and the edge of the positioning notch 18 can be set to a smooth transition arc. This design can improve the surface smoothness of the positioning notch 18, prevent sharp edges from causing hair damage or discomfort, and better guide the hair into the positioning notch 18.

[0045] The above embodiment uses the positioning notch 18 to position the inserted hair, which can effectively prevent the hair from sliding or spreading along the edge of the opening 12 at the top of the cup body 10 during the insertion process, thereby ensuring that the hair is stably placed in the desired position.

[0046] In some embodiments, such as Figure 4 As shown, the cup body 10 has a circular cross-section perpendicular to its height, and in the radial direction of this cross-section, the positioning notch 18 and the hair inlet channel 15 are arranged opposite each other. In some embodiments, when there are multiple hair inlet channels 15, the positioning notch 18 can be arranged in multiple ways according to the number of hair inlet channels 15, and each positioning notch 18 is arranged opposite to one hair inlet channel 15. By using the positioning notch 18 and the hair inlet channel 15 to be arranged opposite each other in the above embodiment, the hair can pass through the positioning notch 18 and the hair inlet channel 15 sequentially in the radial direction of the cup body 10, so that the position of the hair corresponds to the middle position of the cup body 10. In this way, the cup body 10 has a better fixing effect on the hair, and the structure is symmetrical and beautiful.

[0047] In some embodiments, such as Figure 4 As shown, the width d1 of the positioning notch 18 is the same as the width d2 of the hair inlet channel 15. This design ensures that the amount of hair that the positioning notch 18 and the hair inlet channel 15 can accommodate is matched. As long as the hair can be placed within the positioning notch 18, it can pass smoothly through the hair inlet channel 15. Therefore, the user only needs to determine the amount of hair to put in based on the width of the positioning notch 18, improving ease of use. Furthermore, the space occupied by the positioning notch 18 and the hair inlet channel 15 can be fully utilized simultaneously, without causing space redundancy, resulting in a reasonable structural arrangement.

[0048] In some embodiments, such as Figure 4 As shown, the width d3 of the curling groove 13 is smaller than the width d2 of the hair inlet channel 15 or the width d1 of the positioning notch 18. With this design, when hair is placed into the curling groove 13 along the positioning notch 18 and the hair inlet channel 15, the relatively narrow curling groove 13 can further tighten and gather the hair, which has a better effect of reducing hair dispersion.

[0049] like Figure 5 As shown, this embodiment of the present invention also provides a curling head 20 for use in a curling iron 100, including a hair cup 1 as described above, a heating element 21 for heating hair, and a hair-wrapping element 22 for winding hair to be processed onto the heating element 21. The heating element 21 is at least partially disposed in the cavity 11 (see reference). Figure 2As shown, the hair-wrapping component 22 is positioned between the hair cup 1 and the heating element 21, and can rotate relative to the heating element 21. Specifically, the curling head 20 wraps the hair placed in the cavity 11 around the heating element 21 via the hair-wrapping component 22, and the heating element 21 heats the hair. After a period of time, the hair is curled. By using the hair cup 1 described in any of the above embodiments, the curling head 20 can automatically determine the curling direction through different curling grooves 13, improving the accuracy and convenience of the automatic curling operation.

[0050] In some embodiments, the curling head 20 also includes a sensor for identifying the position of the hair inserted to at least control the rotation direction around the hair member 22. Specifically, since the hair cup 1 has at least two curling slots 13, each with a different position, when the user places hair into any of the curling slots 13, the sensor can identify the position of the hair and output different signals for the curling head 100 to control the rotation direction around the hair member 22. With this design, the user only needs to place the hair into the designated curling slot 13 without manually selecting the rotation direction around the hair member 22, resulting in a better user experience. In some embodiments, the position signal identified by the sensor can also be used by the curling head 100 to implement other control functions, such as controlling the rotation speed of the hair member 22, the heating power of the heating element 21, or the heating time. Optionally, the sensor can be a photoelectric sensor, an ultrasonic sensor, a Hall sensor, etc., as long as it can identify different positions.

[0051] The hair curling head 20 provided in this embodiment includes the hair cup 1, heating element 21, and hair winding element 22 described in the above embodiment. By having at least two curling grooves 13 spaced apart on the hair cup 1, the position of the hair can be distinguished. At the same time, by using a sensor to identify the position of the hair, the hair curler 100 can automatically perform the corresponding operation, which has a high degree of intelligence, reduces manual operation, and improves the ease of use of the hair curling head 20.

[0052] like Figure 1 As shown, this embodiment of the utility model also provides a hair curler 100, including a main body 30 and the aforementioned curling head 20, with the main body 30 connected to the curling head 20. Optionally, the main body and the curling head 20 can be non-detachable or detachable. When the main body and the curling head 20 are detachably connected, the curling head 20 can be replaced as needed, and can also be designed in various types, such as different curling shapes and different curling capacities, for selection, offering high configuration flexibility.

[0053] In some embodiments, the main body 30 is provided with at least one tool for controlling the hair-winding component 22 (see reference). Figure 5The control component (shown) controls the rotation direction, and the sensor is electrically connected to the control component. Specifically, when the user places hair into any of the curling slots 13, the sensor can identify the position of the hair and output a position signal to the control component. The control component can then control the rotation direction of the hair-wrapping component 22 based on the position signal. This way, the user only needs to place the hair into the correct curling slot 13 according to their curling needs, without having to manually select the rotation direction of the hair-wrapping component 22. This makes operation more convenient and significantly reduces the possibility of operational errors, resulting in a better user experience. In some implementations, in addition to controlling the rotation direction of the hair-wrapping component 22, the control component can also have other control functions. For example, the control component can also control the rotation speed of the hair-wrapping component 22, the heating power of the heating element 21, or the heating time, which further improves the ease of use of the curling iron 100.

[0054] The hair curler 100 provided in this embodiment includes a main body 30 and a curling head 20 as described in the above embodiment. The curling head 20 uses the hair cup 1 of the above embodiment. By having at least two curling grooves 13 spaced apart on the hair cup 1, the position of the hair can be distinguished. At the same time, by using a sensor to identify the position of the hair, and by using a control component on the main body 30 to control the rotation direction around the hair member 22 according to the position signal output by the sensor, manual operation is reduced, significantly reducing the possibility of operational errors, improving the ease of use of the hair curler 100, and providing a better user experience.

[0055] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hair cup, applied to a curling head, characterized in that, The hair cup has an interior cavity for accommodating hair, and the hair cup has an opening for the hair to be processed to enter the cavity and a curling groove for accommodating the hair that enters through the opening for curling. The opening, the curling groove and the cavity are all interconnected. The hair curling grooves are provided at least twice, spaced apart.

2. The steaming cup as described in claim 1, characterized in that, The inflation cup includes: The cup body has a hollow interior forming the cavity, the opening is located at the top of the cup body, the hair curling groove is located on the side wall of the cup body, and a partition wall is formed between two adjacent hair curling grooves; Wherein, along the height direction of the cup body, the height of the partition wall is lower than the height of the side wall, so as to form an entry channel connecting the opening and each of the curling grooves.

3. The steaming cup as described in claim 2, characterized in that, The height difference between the partition wall and the side wall is 10mm to 25mm.

4. The steaming cup as described in claim 2, characterized in that, The sidewall is provided with a protrusion facing the inlet / outlet channel, and at least a portion of the protrusion is located above the partition wall.

5. The steaming cup as described in claim 4, characterized in that, The two opposite sidewalls located within the same inlet / outlet channel are respectively provided with the protrusions, and the two protrusions are spaced apart.

6. The steaming cup as described in claim 4, characterized in that, One of the two opposing sidewalls located within the same inlet / outlet channel is provided with the protrusion.

7. The steaming cup as described in claim 4, characterized in that, The outline shape of the protrusion is set to "arc".

8. The steaming cup as described in claim 2, characterized in that, The side wall has a positioning notch for positioning the hair to be entered into the curling groove.

9. The steaming cup as described in claim 8, characterized in that, The cup body has a circular cross-section perpendicular to its height; wherein, in the radial direction of the cross-section, the positioning notch and the inlet / outlet channel are arranged opposite each other.

10. The steaming cup as described in claim 8, characterized in that, The width of the positioning notch is the same as the width of the inlet / outlet channel.

11. The steaming cup as described in claim 8, characterized in that, The width of the curling groove is less than the width of the hair inlet channel or the width of the positioning notch.

12. A curling head, used in a hair curler, characterized in that, include: The cup as described in any one of claims 1 to 11; A heating element for heating hair, said heating element being at least partially disposed within the cavity; A hair-wrapping component is disposed between the hair cup and the heating element and rotates relative to the heating element. The hair-wrapping component is used to wrap the hair to be processed around the heating element.

13. A hair curler, characterized in that, It includes a main body and a curling head as described in claim 12, wherein the main body is connected to the curling head.

14. The curling iron as claimed in claim 13, characterized in that, The curling head also includes a sensor for identifying the position of the hair insertion; wherein, the main body is provided with at least a control component for controlling the rotation direction of the hair-winding component, and the sensor is electrically connected to the control component.

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