Hot air comb

Abstract

The utility model discloses a hot air comb, and relates to the field of hair care equipment, and the hot air comb comprises: a comb tooth housing, which is internally provided with an air channel; the comb tooth assembly is arranged on the side wall of the comb tooth shell; the comb tooth assembly comprises a metal comb plate which is provided with a first surface and a second surface which are oppositely arranged, and the second surface is arranged towards the air channel; the plurality of metal comb teeth are convexly arranged on the first surface along one side deviating from the second surface; a plurality of first air outlet holes are formed in the metal comb plate and are adjacent to the metal comb teeth, and the first air outlet holes are configured to guide airflow flowing out of the air channel to flow through the surfaces of the metal comb teeth. The first air outlet holes are formed in the positions adjacent to the metal comb teeth, so that hot air flow is blown to the second surface through the air duct and then blown out through the multiple first air outlet holes along the second surface, and the hot air flow makes contact with the metal comb teeth and heats the metal comb teeth. Meanwhile, the metal comb plate can conduct heat to the metal comb teeth, the temperature of the metal comb teeth is further increased, and the hair styling effect of the hot air comb is improved.

Description

Technical Field

[0001] The present application relates to the field of hair care equipment, in particular to a hot air comb. Background Art

[0002] A hot air comb is a hair styling tool. It combines the functions of a comb and a hair dryer, blowing out hot air while combing your hair. This helps dry your hair quickly, styling it, and adding volume and smoothness. Compared to using a hair dryer and comb separately, a hot air comb is more convenient to use.

[0003] To optimize the comb and hair dryer's performance, currently available hot air combs feature nylon rods or metal teeth with PTC technology. When in operation, the motor blades rotate the hot air comb, drawing air in through the bottom air inlet, passing through the motor, and blowing through the heating element. This air removes the heat generated by the heating element and is then blown out through the top air duct through the comb outlet. Hot air combs also use PTC technology to heat the metal teeth, achieving a straightening effect. However, a common problem with hot air combs on the market is the low temperature of the teeth, resulting in poor hair straightening results. Utility Model Content

[0004] In view of this, the purpose of the present application is to provide a hot air comb to solve the technical problem in the prior art that the comb teeth of the hot air comb have low temperature and poor hair straightening effect.

[0005] To achieve at least one of the above objectives, this application provides the following technical solutions:

[0006] An embodiment of the present application provides a hot air comb, comprising:

[0007] A comb shell, wherein an air duct is provided inside the comb shell; and

[0008] The comb tooth assembly is arranged on the side wall of the comb tooth housing, and the comb tooth assembly includes:

[0009] a metal comb plate, the metal comb plate having a first surface and a second surface disposed opposite to each other, with the second surface disposed toward the air duct; and

[0010] a plurality of metal comb teeth, the plurality of metal comb teeth being protrudingly disposed on the first surface along a side facing away from the second surface;

[0011] The metal comb plate is further provided with a plurality of first air outlet holes, which are arranged adjacent to the metal comb teeth and are further configured to guide the airflow flowing out of the air duct to flow through the surface of the metal comb teeth.

[0012] In some embodiments, the cross-sectional area of the first air outlet decreases gradually from the second surface to the first surface.

[0013] In some embodiments, a plurality of first air outlet holes and a plurality of metal comb teeth are alternately arranged with each other in a first direction.

[0014] In some embodiments, a plurality of first air outlet holes are arranged in a row in the first direction and at least two rows are arranged in the second direction;

[0015] A first guiding structure is provided on the second surface, and the first guiding structure is arranged between two adjacent first air outlet holes in the second direction;

[0016] The first guiding structure is further configured to divert the air flow flowing out of the air duct to two adjacent first air outlet holes in the second direction.

[0017] In some embodiments, the first guiding structure includes:

[0018] A rib, the rib extends along the first direction; and

[0019] Two inclined surfaces, the two inclined surfaces are oppositely arranged on both sides of the rib in the second direction;

[0020] Wherein, the rib protrudes in a direction away from the first surface relative to the two inclined surfaces.

[0021] In some embodiments, the hot air comb further includes:

[0022] An air guiding cylinder, the air guiding cylinder is rotatably arranged inside the comb housing, an air duct is arranged inside the air guiding cylinder, and an air outlet communicating with the air duct is opened on the side wall of the air guiding cylinder;

[0023] The air guiding cylinder is further configured such that at least when the air outlet of the air guiding cylinder is oppositely arranged with the comb tooth assembly, the air flow passing through the air duct can flow to the first air outlet hole through the air outlet.

[0024] In some embodiments, the hot air comb further includes:

[0025] A concentrated air nozzle, the concentrated air nozzle has an inner cavity and an air inlet and an air outlet communicating with the inner cavity;

[0026] The air guiding cylinder is further configured such that when the air outlet of the air guiding cylinder is oppositely arranged with the concentrated air nozzle, the air inlet is communicated with the air outlet.

[0027] In some embodiments, the cross-sectional area of the air inlet is greater than or equal to the cross-sectional area of the air outlet.

[0028] In some embodiments, the cross-sectional area of the inner cavity decreases in the direction from the air inlet to the air outlet.

[0029] In some embodiments, when the air outlet of the air guiding cylinder is oppositely arranged with the concentrated air nozzle, there is an air inlet passage between the air guiding cylinder and the concentrated air nozzle.

[0030] In the above technical solution, a first air outlet hole is provided at a position adjacent to the metal comb teeth, so that during the operation of the hot air comb, the hot air flow blows from the air duct to the comb tooth assembly. The hot air flow first contacts the second surface of the metal comb plate, and then the hot air flow blows out along the second surface through a plurality of first air outlet holes, so that the hot air flow passes through the metal comb plate and contacts the metal comb teeth on the outer side of the comb tooth housing and can heat the metal comb teeth. At the same time, the metal comb plate can conduct heat to the metal comb teeth, further improving the temperature of the metal comb teeth and improving the effect of shaping the hair by the hot air comb. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0032] Figure 1 Structural schematic diagram of a comb tooth housing provided in some embodiments of the present application;

[0033] Figure 2 Structural schematic diagram of a comb tooth assembly provided in some embodiments of the present application;

[0034] Figure 3 Structural schematic diagram of a hot air comb provided in some other embodiments of the present application;

[0035] Figure 4 Partial structural schematic diagram of the second surface in a comb tooth assembly provided in some other embodiments of the present application;

[0036] Figure 5 Structural schematic diagram of a first guiding structure in a comb tooth assembly provided in some other embodiments of the present application;

[0037] Figure 6 Structural schematic diagram of an air guiding cylinder provided in some other embodiments of the present application;

[0038] Figure 7 Schematic diagram of the state when the air outlet and the concentrated air nozzle are oppositely arranged provided in some other embodiments of the present application;

[0039] Figure 8 Cross-sectional view of a concentrated air nozzle provided in some other embodiments of the present application;

[0040] Figure 9 For Figure 7 Partial enlarged view of part A in

[0041] The reference numerals are as follows:

[0042] 1. Comb tooth housing; 11. Nylon rod;

[0043] 2. Comb tooth assembly; 21. Metal comb plate; 211. First surface; 212. Second surface; 2121. First guiding structure; 21211. Rib; 21212. Inclined surface; 2122. Second guiding structure; 22. Metal comb teeth; 221. First air outlet hole; 222. Second air outlet hole;

[0044] 3. Air guide tube; 31. Air duct; 32. Air outlet;

[0045] 4. Concentrated air nozzle; 41. Inner cavity; 42. Air inlet; 43. Air outlet;

[0046] 5. Air inlet channel;

[0047] 6. Knob;

[0048] 7. Handheld part. Detailed implementation manners

[0049] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. Through these descriptions, the features and advantages of the present application will become clearer and more definite.

[0050] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as commonly understood by those skilled in the technical field to which the present application belongs; the terms used in the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" and any variations thereof in the specification and the above accompanying drawings are intended to cover non-exclusive inclusion.

[0051] The "embodiment" mentioned in the present application means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase at various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described in the present application can be combined with other embodiments.

[0052] The special term "exemplary" mentioned in the present application means "serving as an example, an embodiment or an illustration". Among them, any embodiment described as "exemplary" does not have to be interpreted as superior to or better than other embodiments. Although various aspects of the embodiments are shown in the drawings, unless otherwise specified, the drawings do not have to be drawn to scale.

[0053] In the description of this application, technical terms such as "first", "second", "third", etc. are only used to distinguish different objects, and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity, specific order or primary-secondary relationship of the indicated technical features.

[0054] In the description of this application, the technical term "and / or" is merely a description of the relationship between associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, the character " / " in this text generally indicates an "or" relationship between the associated objects before and after.

[0055] In the description of this application, the orientation or positional relationship indicated by technical terms such as "upper", "lower", "inner", "outer", "front", "rear", "left", "right", "top", "bottom", etc. is the orientation or positional relationship based on the working state of this application. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the indicated device or component must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on this application.

[0056] In the description of this application, unless otherwise clearly specified and defined, technical terms such as "installed", "connected", "joined", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can also be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0057] In the description of this application, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0058] In the description of this application, the meaning of "a plurality of" is two or more (including two), unless otherwise clearly and specifically defined.

[0059] In the description of the present application, the same reference numerals represent the same components, and for the sake of brevity, in different embodiments, the detailed description of the same components is omitted. It should be understood that the thickness, length and other dimensions of various components in the embodiments of the present application shown in the drawings, as well as the overall thickness, length and other dimensions of the integrated device are only for illustrative purposes and should not constitute any limitation to the present application.

[0060] As part of the creative concept of the present application, before describing the embodiments of the present application, it is necessary to analyze the reasons for the problem of the relatively low temperature at the air outlet of the hot air comb in the related art, and obtain the technical solutions of the embodiments of the present application through reasonable analysis.

[0061] In the related art, the development of hair styling tools has experienced a transition from manual control to electric control, and from single-function to multi-functional integrated tools. With the wide application of electric motors in various industries, electric hair styling tools have provided convenience for people and become new styling devices. Among them, the hot air comb, as one of the electric hair styling tools, combines a comb and a hair dryer. The core technology of the hot air comb is to heat the heating element and then conduct the heat to the comb teeth to make them heat up. However, the temperature that the comb teeth can reach only by the conducted heat is limited, and thus the styling effect on the hair is not very good.

[0062] For this reason, the present application provides a hot air comb, which includes a comb tooth housing with an air duct arranged inside to provide hot air flow; a comb tooth assembly arranged on the side wall of the comb tooth housing; the comb tooth assembly includes a metal comb plate and metal comb teeth arranged on the metal comb plate; a plurality of first air outlet holes are formed on the metal comb plate and are arranged adjacent to the metal comb teeth; the first air outlet holes are configured to guide the air flow flowing out of the air duct to flow through the surface of the metal comb teeth and heat the surface of the metal comb teeth. Thereby solving the technical problem that the temperature of the comb teeth of the hot air comb in the prior art is relatively low and the straightening effect is poor.

[0063] The following elaborates in detail on the technical solutions of the embodiments of the present application with reference to the drawings. The technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0064] Refer to Figure 1 and Figure 2 , Figure 1 which shows a schematic structural diagram of the comb tooth housing provided by some embodiments of the present application, Figure 2 which shows a schematic structural diagram of the comb tooth assembly provided by some embodiments of the present application.

[0065] Some embodiments of the present application provide a hot air comb, as shown in Figure 1 and Figure 2As shown, in this embodiment, a hot air comb includes a comb housing 1. The specific shape of the comb housing 1 is not limited in this embodiment; it can be any shape that can accommodate other components or serve as a carrier for other components, such as a cylindrical or rectangular parallelepiped shape. This embodiment uses the cylindrical shape of the comb housing 1 as an example for illustration. It should be noted that other components include, but are not limited to, comb teeth.

[0066] Specifically, an air duct 31 is provided inside the comb housing 1. The function of the air duct 31 is to guide the air flow inside the hot air comb to the side wall of the comb housing 1, and blow it outward from the side wall of the comb housing 1.

[0067] The hot air comb also includes a comb assembly 2. Wherein, the effect of the comb assembly 2 is to comb the hair and shape the hairstyle. Specifically, the comb assembly 2 is arranged on the side wall of the comb housing 1 so that it can contact with the hair.

[0068] In the embodiment of the present application, the comb assembly 2 includes a metal comb plate 21. The metal comb plate 21 supports the comb teeth, allowing them to contact the hot air flow from the air duct 31 and transfer heat to the comb teeth. The present application does not specify the material of the metal comb plate 21; any heat-conducting material, such as aluminum, silver, or copper, is sufficient. The present embodiment uses aluminum as an example for the metal comb plate 21.

[0069] Specifically, the metal comb plate 21 has a first surface 211 and a second surface 212 that are arranged opposite each other, with the second surface 212 facing the air duct 31. The second surface 212 facing the air duct 31 allows the hot air flow from the air duct 31 to contact the second surface 212, thereby increasing the temperature of the metal comb plate 21. The metal comb plate 21 can then transfer the heat to the comb teeth, thereby increasing the temperature of the comb teeth. When the comb teeth come into contact with the hair, the high temperature makes the hair softer and easier to shape, thereby improving the hair-shaping effect of the hot air comb.

[0070] The comb assembly 2 also includes a plurality of metal comb teeth 22. In this application, the term "plurality of metal comb teeth 22" specifically refers to two or more metal comb teeth 22, such as two metal comb teeth 22, five metal comb teeth 22, ten metal comb teeth 22, fourteen metal comb teeth 22, fifteen metal comb teeth 22, twenty metal comb teeth 22, etc. In this embodiment, the comb assembly 2 is described as including fourteen metal comb teeth 22.

[0071] Specifically, the plurality of metal comb teeth 22 are protrudingly provided on the first surface 211 along a side away from the second surface 212 , so that the plurality of metal comb teeth 22 protrude from the comb tooth housing 1 , so that the metal comb teeth 22 can contact the hair to shape the hair style.

[0072] Among them, a plurality of first air outlet holes 221 are further formed in the metal comb plate 21. The function of the first air outlet holes 221 is to enable the hot air flow blown out from the air duct 31 to pass through the metal comb plate 21 and contact the metal comb teeth 22 on the outer side of the comb tooth housing 1, and be able to heat the metal comb teeth 22.

[0073] The plurality of first air outlet holes 221 specifically refer to two or more first air outlet holes 221 in this application. For example: two first air outlet holes 221, five first air outlet holes 221, ten first air outlet holes 221, fifteen first air outlet holes 221, sixteen first air outlet holes 221, twenty first air outlet holes 221, etc. In the embodiment of this application, the case where the comb tooth assembly 2 further includes sixteen first air outlet holes 221 is taken as an example for illustration.

[0074] Specifically, the first air outlet holes 221 are arranged adjacent to the metal comb teeth 22, and the first air outlet holes 221 are further configured to guide the hot air flow flowing out from the air duct 31 to flow through the surface of the metal comb teeth 22 to heat the metal comb teeth 22.

[0075] In the above technical solution, at least one first air outlet hole 221 is arranged at a position adjacent to each metal comb tooth 22, so that during the operation of the hot air comb, the hot air flow is blown from the air duct 31 to the comb tooth assembly 2. The hot air flow first contacts the second surface 212 of the metal comb plate 21, and then the hot air flow blows out through the plurality of first air outlet holes 221 along the second surface 212, so that the hot air flow passes through the metal comb plate 21 and contacts the metal comb teeth 22 on the outer side of the comb tooth housing 1 and is able to heat the metal comb teeth 22. At the same time, the metal comb plate 21 can conduct heat to the metal comb teeth 22, further increasing the temperature of the metal comb teeth 22 and improving the effect of the hot air comb in styling the hair.

[0076] In the embodiment of this application, the cross-sectional area of the first air outlet holes 221 decreases in the direction from the second surface 212 to the first surface 211, so that the first air outlet holes 221 have a "flare" structure, and the "flare" structure of the first air outlet holes 221 is a constricted structure in the direction from the second surface 212 to the first surface 211, which is beneficial to guiding the hot air flow blown from the air duct 31 to the first surface 211, enabling the hot air flow to contact the surface of the metal comb teeth 22 to heat the metal comb teeth 22. It can also enable the hot air flow blown from the air duct 31 to fully contact the inner wall of the first air outlet holes 221, increasing the temperature of the inner wall of the first air outlet holes 221, and the inner wall of the first air outlet holes 221 can also conduct heat to the metal comb teeth 22, further increasing the temperature of the metal comb teeth 22.

[0077] In the embodiments of the present application, a plurality of first air outlet holes 221 and a plurality of metal comb teeth 22 are alternately arranged with each other in the first direction. Specifically, in the embodiments of the present application, the plurality of first air outlet holes 221 and the plurality of metal comb teeth 22 are arranged alternately in turn and at intervals in the first direction, so that each first air outlet hole 221 can be adjacent to at least one metal comb tooth 22. Furthermore, the hot air flow flowing out from the first air outlet hole 221 will contact the adjacent metal comb tooth 22, thereby increasing the temperature of the metal comb tooth 22.

[0078] Reference Figure 3 , Figure 3 shows a schematic structural diagram of a hot air comb provided in some other embodiments of the present application.

[0079] The hot air comb further includes a handheld part 7. The function of the handheld part 7 is to provide a position for the user to hold. In the embodiments of the present application, the specific shape of the handheld part 7 is not limited, and any shape that is convenient for the user to hold is acceptable, such as: cylindrical shape, cuboid shape, etc. In the embodiments of the present application, the specific shape of the handheld part 7 is taken as an example of a cylindrical shape for illustration.

[0080] A plurality of first air outlet holes 221 are arranged in a row in the first direction and at least two rows are arranged in the second direction.

[0081] Among them, the first direction is the direction pointing from the handheld part 7 of the hot air comb to the comb tooth housing 1 of the hot air comb. In the present application, the shape of the comb tooth housing 1 is taken as an example of a cylindrical shape for illustration, and the first direction is parallel to the axial direction of the cylindrical comb tooth housing 1.

[0082] The second direction intersects the first direction, and preferably the second direction is perpendicular to the first direction.

[0083] In the embodiments of the present application, the fact that a plurality of first air outlet holes 221 are arranged in at least two rows specifically means that a plurality of first air outlet holes 221 are arranged in two rows or more, such as: the first air outlet holes 221 are arranged in two rows, the first air outlet holes 221 are arranged in three rows, the first air outlet holes 221 are arranged in four rows, the first air outlet holes 221 are arranged in five rows, the first air outlet holes 221 are arranged in six rows, etc. In the embodiments of the present application, the case where a plurality of first air outlet holes 221 are arranged in two rows in the second direction is taken as an example for illustration.

[0084] Refer to Figure 4 and Figure 5 , Figure 4 shows a partial structural schematic diagram of the second surface in the comb tooth assembly provided in some other embodiments of the present application, Figure 5 shows a structural schematic diagram of the first guiding structure in the comb tooth assembly provided in some other embodiments of the present application.

[0085] In the embodiment of the present application, a first guiding structure 2121 is provided on the second surface 212. The first guiding structure 2121 is disposed between two adjacent first air outlet holes 221 along the second direction. Wherein, the first guiding structure 2121 is configured to split the air flow blown out from the air duct 31 to two adjacent first air outlet holes 221 along the second direction, so that the hot air flow blown out from the air duct 31 flows to two adjacent first air outlet holes 221 along the second direction under the splitting action of the first guiding structure 2121.

[0086] The number of the first guiding structures 2121 is multiple, and the multiple first guiding structures 2121 are arranged at intervals along the first direction.

[0087] In the above technical solution, by providing the first guiding structure 2121 on the second surface 212, the air flow blown out from the air duct 31 can be split to two adjacent first air outlet holes 221 along the second direction, meeting the need of guiding the hot air flow by the two rows of first air outlet holes 221, and further meeting the need of heating the two rows of metal comb teeth 22 provided on the first surface 211.

[0088] In the embodiment of the present application, the first guiding structure 2121 includes rib strips 21211. The rib strips 21211 extend along the first direction. Wherein, the function of the rib strips 21211 is to separate the air flow. For example, the hot air flow blown out from the air duct 31 is separated and then flows to two adjacent first air outlet holes 221 along the second direction respectively.

[0089] The first guiding structure 2121 further includes two inclined surfaces 21212. Wherein, the function of the inclined surfaces 21212 is to guide the air flow. For example, the hot air flow is guided to the first air outlet hole 221.

[0090] Specifically, the two inclined surfaces 21212 are oppositely arranged on both sides of the rib strips 21211 along the second direction, so that the hot air flow separated by the rib strips 21211 can flow to two adjacent first air outlet holes 221 along the second direction respectively along the surfaces of the two inclined surfaces 21212 on both sides of the rib strips 21211.

[0091] Wherein, the rib strips 21211 protrude along the direction away from the first surface 211 relative to the two inclined surfaces 21212, so that the rib strips 21211 first contact the hot air flow and split the hot air flow, and the split hot air flow flows to the first air outlet hole 221 along the surfaces of the two inclined surfaces 21212.

[0092] In the embodiment of the present application, a plurality of nylon rods 11 are further provided outside the comb-shaped housing 1. Herein, the plurality of nylon rods 11 specifically refer to two or more nylon rods 11, such as: two nylon rods 11, five nylon rods 11, ten nylon rods 11, fifteen nylon rods 11, sixteen nylon rods 11, twenty nylon rods 11, etc. In the embodiment of the present application, it is described by taking that there are sixteen nylon rods 11 provided outside the comb-shaped housing 1 as an example.

[0093] Specifically, the plurality of nylon rods 11 and the plurality of first air outlet holes 221 are alternately arranged along the second direction.

[0094] A plurality of second air outlet holes 222 are further provided outside the comb-shaped housing 1. Herein, the plurality of second air outlet holes 222 specifically refer to two or more second air outlet holes 222, such as: two second air outlet holes 222, five second air outlet holes 222, ten second air outlet holes 222, fifteen second air outlet holes 222, sixteen second air outlet holes 222, eighteen second air outlet holes 222, etc. In the embodiment of the present application, it is described by taking that there are eighteen second air outlet holes 222 provided outside the comb-shaped housing 1 as an example.

[0095] Specifically, the plurality of nylon rods 11 and the plurality of second air outlet holes 222 are alternately arranged along the first direction.

[0096] Since the plurality of nylon rods 11 and the plurality of first air outlet holes 221 are alternately arranged along the second direction, and the plurality of nylon rods 11 and the plurality of second air outlet holes 222 are alternately arranged along the first direction, the plurality of first air outlet holes 221 and the plurality of second air outlet holes 222 are arranged in a staggered manner in the second direction.

[0097] In the embodiment of the present application, a second guiding structure 2122 is provided on the second surface 212. The second guiding structure 2122 is configured to split the air flow blown out from the air duct 31 to two adjacent second air outlet holes 222 along the second direction, so that the hot air flow blown out from the air duct 31 flows to two adjacent second air outlet holes 222 under the splitting action of the second guiding structure 2122.

[0098] The number of the second guiding structures 2122 is multiple, and the multiple second guiding structures 2122 and the multiple first guiding structures 2121 are alternately arranged along the first direction.

[0099] The specific structure of the second guiding structure 2122 is the same as that of the first guiding structure 2121, and will not be elaborated herein.

[0100] Reference Figure 6 , Figure 6 shows a schematic structural diagram of an air guiding cylinder provided in some other embodiments of the present application.

[0101] The hot air comb further includes a wind guiding cylinder 3. The function of the wind guiding cylinder 3 is to control the flow direction of the hot air flow inside the comb tooth housing 1. The present application does not limit the specific shape of the wind guiding cylinder 3, and any shape that can control the flow direction of the hot air flow inside the hot air comb is acceptable, such as a cylindrical shape, a cuboid shape, etc. In the embodiment of the present application, the specific shape of the wind guiding cylinder 3 is taken as an example of a cylindrical shape for illustration.

[0102] Specifically, the wind guiding cylinder 3 is rotatably arranged inside the comb tooth housing 1. There are various ways for the wind guiding cylinder 3 to rotate inside the comb tooth housing 1. Since both the wind guiding cylinder 3 and the comb tooth housing 1 are arranged in a cylindrical shape or a cuboid shape, the wind guiding cylinder 3 can rotate around its own axis inside the comb tooth housing 1.

[0103] An air duct 31 is arranged inside the wind guiding cylinder 3, and an air outlet 32 communicating with the air duct 31 is formed on the side wall of the wind guiding cylinder 3. The hot air flow in the internal air duct 31 of the wind guiding cylinder 3 is blown out to the outside of the wind guiding cylinder 3 through the air outlet 32.

[0104] The wind guiding cylinder 3 is further configured such that at least when the wind guiding cylinder 3 rotates to a position where the air outlet 32 is disposed opposite to the comb tooth assembly 2, the hot air flow passing through the air duct 31 can flow through the air outlet 32 to the first air outlet hole 221.

[0105] The hot air comb further includes a knob 6. The knob 6 is fixedly connected to the wind guiding cylinder 3.

[0106] In the above technical solution, by providing the wind guiding cylinder 3, the flow direction of the hot air flow inside the wind guiding cylinder 3 can be controlled. For example, when it is necessary to make the hot air flow flow to the comb tooth assembly 2, the knob 6 is rotated to drive the wind guiding cylinder 3 to rotate inside the comb tooth housing 1 to a position opposite to the comb tooth assembly 2. Then the hot air flow inside the air duct 31 is blown towards the comb tooth assembly 2 through the air outlet 32.

[0107] Refer to Figure 7 and Figure 8 , Figure 7 which shows a schematic diagram of the state when the air outlet and the concentrated air nozzle are disposed opposite to each other according to some other embodiments of the present application, Figure 8 which shows a cross-sectional view of the concentrated air nozzle according to some other embodiments of the present application.

[0108] The hot air comb in the embodiment of the present application further includes a concentrated air nozzle 4. The function of the concentrated air nozzle 4 is to precisely control the wind direction so that the blown air is concentrated in a smaller area. And the concentrated air flow can increase the intensity of the wind force, which helps to create a straighter, more three-dimensional and layered hairstyle.

[0109] Specifically, the concentrated air nozzle 4 has an inner cavity 41, an air inlet 42 and an air outlet 43 that communicate with the inner cavity 41. The cross-sectional area of the inner cavity 41 decreases in the direction from the air inlet to the air outlet. By setting the cross-sectional area of the inner cavity 41 to decrease in the direction from the air inlet to the air outlet, the inner cavity 41 is in a necked-down shape in the direction from the air inlet to the air outlet, which is beneficial to concentrating the hot air flow.

[0110] The air guide cylinder 3 is further configured such that when the air guide cylinder 3 rotates to a position where the air outlet 32 is disposed opposite to the concentrated air nozzle 4, the air inlet 42 communicates with the air outlet 32, so that the hot air flow blown out from the air outlet 32 enters the inner cavity 41 through the air inlet 42.

[0111] In the embodiment of the present application, the cross-sectional area of the air inlet 42 is greater than or equal to the cross-sectional area of the air outlet 32. Specifically, the cross-sectional area of the air inlet 42 being greater than or equal to the cross-sectional area of the air outlet 32 in the embodiment of the present application means that the cross-sectional area of the air inlet 42 is greater than the cross-sectional area of the air outlet 32 or the cross-sectional area of the air inlet 42 is equal to the cross-sectional area of the air outlet 32. In the embodiment of the present application, the case where the cross-sectional area of the air inlet 42 is greater than the cross-sectional area of the air outlet 32 is taken as an example for illustration.

[0112] When the air guide cylinder 3 rotates to a position where the air outlet 32 is disposed opposite to the concentrated air nozzle 4, the air inlet 42 faces the air outlet 32. Since the cross-sectional area of the air inlet 42 is greater than or equal to the cross-sectional area of the air outlet 32, the air flow blown out from the air outlet 32 will not be blocked by the edge structure of the air inlet 42, reducing the resistance during the process of the air flow flowing from the air outlet 32 into the air inlet 42.

[0113] Reference Figure 9 , Figure 9 shows Figure 7 a partial enlarged view of part A in

[0114] When the air guide cylinder 3 rotates to a position where the air outlet 32 is disposed opposite to the concentrated air nozzle 4, there is an air inlet passage 5 between the air guide cylinder 3 and the concentrated air nozzle 4.

[0115] Among them, the specific structure of the air inlet passage 5 is not limited in the present application, and any structure that can allow the air flow to pass through is acceptable.

[0116] As an optional technical solution, the air inlet passage 5 is the gap formed between the air guide cylinder 3 and the concentrated air nozzle 4 when the air guide cylinder 3 rotates to a position where the air outlet 32 is disposed opposite to the concentrated air nozzle 4. The size of the gap ranges from 0.3 mm to 0.5 mm. Preferably, the size of the gap is 0.4 mm.

[0117] As another alternative technical solution, the air inlet passage 5 is a circular hole formed between the air guide cylinder 3 and the concentrated air nozzle 4 when the air guide cylinder 3 rotates to a position where the air outlet 32 is opposite to the concentrated air nozzle 4. The diameter of the circular hole ranges from 0.3 mm to 0.5 mm. Preferably, the diameter of the circular hole is 0.4 mm.

[0118] In the above technical solution, when the air guide cylinder 3 rotates to a position where the air outlet 32 is opposite to the concentrated air nozzle 4, there is an air inlet passage 5 between the air guide cylinder 3 and the concentrated air nozzle 4. During the operation of the hot air comb, since the hot air flow rapidly flows from the air outlet 32 of the air guide cylinder 3 to the air inlet 42 of the concentrated air nozzle 4, a negative pressure is formed between the air outlet 32 of the air guide cylinder 3 and the air inlet 42 of the concentrated air nozzle 4. As a result, the hot air flow between the comb tooth housing 1 and the air guide cylinder 3 is pressured to flow through the air inlet passage 5 to the air inlet 42 of the concentrated air nozzle 4, increasing the air volume and air pressure in the inner cavity 41 and improving the hot air velocity blown out from the air outlet 43.

[0119] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be covered within the scope of the claims and the description of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A hot air comb, characterized in that, include: A comb tooth housing, wherein an air duct is provided inside the comb tooth housing; as well as A comb assembly, the comb assembly being arranged on a side wall of the comb housing, and the comb assembly comprising: a metal comb plate, the metal comb plate having a first surface and a second surface disposed opposite to each other, wherein the second surface is disposed toward the air duct; and a plurality of metal comb teeth, the plurality of metal comb teeth being protrudingly disposed on the first surface along a side facing away from the second surface; The metal comb plate is further provided with a plurality of first air outlet holes, which are arranged adjacent to the metal comb teeth, and the first air outlet holes are further configured to guide the airflow flowing out of the air duct to flow through the surface of the metal comb teeth.

2. The hot air comb according to claim 1, characterized in that The cross-sectional area of the first air outlet decreases gradually from the second surface to the first surface.

3. The hot air comb according to claim 1, characterized in that The plurality of first air outlet holes and the plurality of metal comb teeth are alternately arranged along a first direction.

4. The hot air comb according to claim 3, characterized in that The plurality of first air outlet holes are arranged in a row along the first direction and at least two rows are arranged along the second direction; A first guide structure is provided on the second surface, and the first guide structure is provided between two adjacent first air outlet holes along the second direction; The first guide structure is further configured to divert the airflow flowing out of the air duct to two adjacent first air outlet holes along the second direction.

5. The hot air comb according to claim 4, characterized in that The first guide structure comprises: ribs, the ribs extending along the first direction; and two inclined surfaces, the two inclined surfaces being arranged opposite to each other on both sides of the rib along the second direction; Wherein, the rib is protruded relative to the two inclined surfaces in a direction away from the first surface.

6. The hot air comb according to any one of claims 1 to 5, characterized in that: The hot air comb also includes: An air guide tube, the air guide tube being rotatably arranged inside the comb tooth housing, the air duct being arranged inside the air guide tube, and an air outlet communicating with the air duct being opened on a side wall of the air guide tube; The air guide tube is further configured so that at least when the air guide tube is rotated to the air outlet and is arranged opposite to the comb tooth assembly, the air flow through the air duct can flow to the first air outlet through the air outlet.

7. The hot air comb according to claim 6, characterized in that The hot air comb also includes: A concentrated air nozzle, the concentrated air nozzle having an inner cavity and an air inlet and an air outlet communicated with the inner cavity; The air guide tube is further configured such that when the air guide tube is rotated to the point where the air outlet is arranged opposite to the concentrated air nozzle, the air inlet is communicated with the air outlet.

8. The hot air comb according to claim 7, characterized in that: The cross-sectional area of the air inlet is greater than or equal to the cross-sectional area of the air outlet.

9. The hot air comb according to claim 7, characterized in that, The cross-sectional area of the inner cavity decreases in the direction from the air inlet to the air outlet.

10. The hot air comb according to claim 7, characterized in that, When the air guide tube rotates to a position where the air outlet is disposed opposite to the centralized air nozzle, an air inlet passage exists between the air guide tube and the centralized air nozzle.

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