Hair drier

Abstract

The utility model relates to the technical field of household appliances, in particular to a hair drier. The hair dryer comprises a shell and a handle which are connected with each other, the shell is provided with a main air duct, a first air inlet and a first air outlet, the first air inlet and the first air outlet are communicated with the main air duct, and a fan is arranged in the main air duct; the handle is provided with a heat dissipation air channel, a second air inlet and a second air outlet, wherein the second air inlet and the second air outlet are communicated with the heat dissipation air channel. A control circuit board is arranged in the heat dissipation air channel. Wherein the second air outlet is communicated with the main air duct, and negative pressure is formed when the fan is started, so that airflow sequentially passes through the second air inlet, the heat dissipation air duct and the second air outlet and then enters the main air duct. According to the hair dryer, the heat dissipation airflow can be formed in the handle during blowing, so that the control circuit board of the hair dryer is cooled, and the influence of the control circuit board on the blowing volume and the blowing speed can be avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, in particular to a hair dryer. BACKGROUND

[0002] At present, the main control board of the hair dryer products on the market is placed between the air inlet and the air outlet of the main air duct, which can cool the main control board while achieving hair drying. However, the main control board of this kind of hair dryer will affect the air intake while cooling, thereby affecting the air volume and air speed. CONTENT

[0003] The embodiments of the present application at least provide a hair dryer, which can form a cooling air flow in the handle when blowing, so as to cool the control circuit board of the hair dryer, and can avoid the influence of the control circuit board on the air volume and air speed.

[0004] The embodiments of the present application provide a hair dryer, which comprises a shell and a handle connected with each other.

[0005] The shell is provided with a main air duct, a first air inlet and a first air outlet which are communicated with the main air duct, and a fan is arranged in the main air duct.

[0006] The handle is provided with a cooling air duct, a second air inlet and a second air outlet which are communicated with the cooling air duct, and a control circuit board is arranged in the cooling air duct.

[0007] The second air outlet is communicated with the main air duct, and the fan forms a negative pressure when starting, so that the air flow enters the main air duct after passing through the second air inlet, the cooling air duct and the second air outlet in sequence.

[0008] In an optional embodiment, the second air outlet is specifically communicated with the air inlet side of the fan.

[0009] In an optional embodiment, a guide plate is arranged in the main air duct, and the guide plate is used for communicating the second air outlet with the air inlet side of the fan.

[0010] In an optional embodiment, the second air inlet is located at one end of the handle which is away from the shell, and the second air outlet is located at one end of the handle which is close to the shell.

[0011] In an optional embodiment, the control circuit board has opposite first and second side surfaces along the thickness direction thereof, and the first and second side surfaces are respectively spaced apart from the handle.

[0012] In an alternative embodiment, the control circuit board is embedded in a first recess and a second recess respectively, and the first recess and the second recess are arranged on the inner wall of the handle.

[0013] In an alternative embodiment, the handle is provided with a sling, and the sling is used for hanging the hair dryer.

[0014] In an alternative embodiment, the handle is provided with the sling at an end away from the housing.

[0015] In an alternative embodiment, the handle is provided with a mounting hole, and the sling is arranged in the mounting hole.

[0016] In an alternative embodiment, the mounting hole penetrates the thickness of the handle.

[0017] The above technical solutions of the present application have the following beneficial technical effects:

[0018] The hair dryer of the present application has the control circuit board arranged in the handle, and can form a cooling air flow in the handle during hair drying, so as to cool the control circuit board of the hair dryer. Compared with the prior art, the hair dryer can cool the control circuit board while avoiding the influence of the control circuit board on the air volume and air speed of the hair dryer.

[0019] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. The drawings are incorporated into the specification and form a part of the specification, which show the embodiments consistent with the present application, and are used to illustrate the technical solutions of the present application together with the specification. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0021] Figure 1 Fig. 1 shows a structural schematic diagram of a hair dryer provided by an embodiment of the present application;

[0022] Reference signs: DETAILED DESCRIPTION

[0023] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. Note that the relative arrangement of the components and steps illustrated in these embodiments, numerical expressions, and numerical values are merely examples, and do not limit the scope of the present application unless otherwise specifically stated.

[0024] Embodiments of the present application will be described below in detail with reference to the accompanying drawings, in which the same or similar components have the same or similar reference numbers throughout. Embodiments described below by reference to the accompanying drawings are examples for explaining the present application and are not to be construed as limiting the present application. All other embodiments obtained by those skilled in the art based on the embodiments disclosed in the present application without creative work fall within the scope of the present application.

[0025] The terms "first", "second" in the specification and claims of the present application can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally means that the front and rear associated objects are in an "or" relationship.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In the description of the present application, it should be noted that unless otherwise specifically stated and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Reference Figure 1 The present application provides a hair dryer 3, comprising a housing 1 and a handle 2 connected.

[0029] In some embodiments, the housing 1 is provided with a main air duct 11 and a first air inlet 12 and a first air outlet 13 connected to the main air duct 11. A fan 3 is provided inside the main air duct 11. When the fan 3 is started, the airflow can pass through the first air inlet 12, the main air duct 11 and the first air outlet 13 in sequence, thereby realizing air blowing.

[0030] In some embodiments, a guide assembly 4 is also provided in the main air duct 11, and the guide assembly 4 is located between the fan 3 and the first air outlet 13. During use, the guide assembly 4 is used to guide the airflow from the fan 3 to the first air outlet 13, ensuring that the airflow is evenly distributed inside the main air duct 11 and avoiding the airflow from being concentrated or unevenly dispersed in certain areas.

[0031] In some embodiments, a heating component 5 is also provided within the main air duct 11, located between the fan 3 and the first air outlet 13. During use, the heating component 5 is used to heat the airflow so that the blower 3 can blow out hot air. In a specific configuration, the heating component 5 may be an electric heating wire evenly distributed circumferentially along the main air duct 11.

[0032] In some embodiments, the handle 2 is provided with a heat dissipation duct 21 and a second air inlet 22 and a second air outlet 23 connected to the heat dissipation duct 21. A control circuit board 6 is provided inside the heat dissipation duct 21, and the second air outlet 23 is connected to the main air duct 11. Figure 1 As shown, in this embodiment, the second air inlet 22 is located at the end of the handle 2 furthest from the housing 1, and the second air outlet 23 is located at the end of the handle 2 closest to the housing 1. The second air outlet 23 can create negative pressure when the fan 3 is started, so that the airflow passes sequentially through the second air inlet 22, the heat dissipation duct 21, and the second air outlet 23 before entering the main air duct 11. Specifically, the control circuit board 6 of the hair dryer 3 is disposed in the handle 2, and can form a heat dissipation airflow in the handle 2 when blowing air, so as to cool the control circuit board 6 of the hair dryer 3. Compared with the prior art, the hair dryer 3 can cool the control circuit board 6 while avoiding the influence of the control circuit board 6 on the airflow volume and wind speed. However, this application embodiment does not limit this in any way.

[0033] In some embodiments, the second air outlet 23 is specifically connected to the air inlet side of the fan 3. This arrangement allows the cooling airflow to flow to the first air outlet 13 after passing through the fan 3 and the air guide assembly 4, ensuring that the cooling airflow does not affect the uniform distribution of airflow inside the main air duct 11 after entering the main air duct 11. However, this application embodiment does not impose any limitations on this.

[0034] In some embodiments, a guide vane 41 is provided inside the main air duct 11, which connects the second air outlet 23 to the air inlet side of the fan 3. Figure 1As shown, in the embodiment, the guide plate 41 is located at the position of the main air duct 11 close to the second air outlet 23, and a channel is formed between the rear end of the guide plate 41 and the shell 1, which connects the second air outlet 23 and the air inlet side of the fan 3. In this way, the position of the fan 3 and the handle 2 relative to the shell 1 can be flexibly designed. It should be understood that, in specific implementations, the guide plate 41 can be part of the air guide assembly 4. However, the embodiments of the present application do not make any limitation in this regard.

[0035] In some embodiments, the control circuit board 6 has opposite first and second sides along its thickness direction, and the first and second sides are respectively spaced apart from the handle 2. In this way, the two sides of the control circuit board 6 are both passed through by the cooling air flow, which is conducive to improving the cooling effect of the control circuit board 6. However, the embodiments of the present application do not make any limitation in this regard.

[0036] In some embodiments, the control circuit board 6 is respectively embedded in the first and second recesses at its two ends in the transverse direction, and the first and second recesses are both arranged on the inner wall of the handle 2. Specifically, the control circuit board 6 is fixed by its two ends in the transverse direction, which makes the two sides of the control circuit board 6 not need to be attached to the fixing surface, and facilitates the distribution of the cooling air flow through the two sides of the control circuit board 6. However, the embodiments of the present application do not make any limitation in this regard.

[0037] In some embodiments, the handle 2 is provided with a hanging strap 7. In this way, the hanging of the hair dryer 3 can be realized, so as to facilitate the subsequent use. However, the embodiments of the present application do not make any limitation in this regard. In other embodiments, the hanging strap 7 can also be arranged on the shell 1.

[0038] In some embodiments, the hanging strap 7 is a flexible belt structure. In this way, the hanging strap 7 can be attached to the surface of the hair dryer 3, so as to reduce the overall size of the hair dryer 3, and facilitate the carrying and storage of the hair dryer 3 relative to the use of a solid hanging strap 7. However, the embodiments of the present application do not make any limitation in this regard.

[0039] In some embodiments, the hanging strap 7 is arranged at the end of the handle 2 away from the shell 1. In this way, the hanging strap 7 can be away from the air outlet and the heating assembly 5, so as to avoid overheating and deformation or damage of the hanging ring. In addition, the arrangement of the hanging strap 7 at the end of the handle 2 away from the shell 1 can ensure the overall aesthetics of the hair dryer 3. However, the embodiments of the present application do not make any limitation in this regard.

[0040] In some embodiments, the handle 2 is provided with a mounting hole 24, and the hanging strap 7 is arranged in the mounting hole 24. As shown in FIG. 2, the mounting hole 24 is arranged on the outer wall of the handle 2, and the hanging strap 7 is arranged in the mounting hole 24. In this way, the hanging strap 7 can be arranged on the handle 2, and the overall aesthetics of the hair dryer 3 can be ensured. Figure 1As shown, in the embodiment, the two ends of the sling 7 are connected and fixed through the connecting block 71, and when installed, the sling 7 can pass through the installation hole 24, but the connecting block 71 can limit the sling 7 to pass through the installation hole 24 completely, thereby achieving the installation of the sling 7. In this way, the sling 7 can be conveniently disassembled and replaced. However, the present application does not make any limitation in this regard.

[0041] In some embodiments, the installation hole 24 penetrates the thickness of the handle 2. That is, the sling 7 can pass through the installation hole 24 from the inside of the handle 2 and extend to the outside of the handle 2. In this way, the installation trace of the sling 7 can be hidden, and the sling 7 needs to be removed from the inside of the handle 2, thereby avoiding being arbitrarily removed by people. However, the present application does not make any limitation in this regard.

[0042] In some embodiments, the handle 2 is provided with a first limiting portion 25, and the sling 7 is provided with a second limiting portion 72, and the first limiting portion 25 and the second limiting portion 72 are limited to cooperate to limit the axial movement of the sling 7 along the installation hole 24. As shown, Figure 1 As shown, in the embodiment, the first limiting portion 25 is arranged on the inner wall of the installation hole 24, and the first limiting portion 25 is a clamping groove, and the second limiting portion 72 is arranged on the connecting block 71, and the second limiting portion 72 is a buckle. When the connecting block 71 penetrates into the installation hole 24, the buckle can be clamped into the clamping groove to limit the axial movement of the sling 7 along the installation hole 24. In this way, the sling 7 can be fixed to avoid retracting into the handle 2. It should be understood that in specific implementation, the positions of the clamping groove and the buckle can also be interchanged. However, the present application does not make any limitation in this regard.

[0043] In some embodiments, the first limiting portion 25 and the second limiting portion 72 are arranged to be able to be released from the limiting under the action of an external force. That is, the user can release the first limiting portion 25 and the second limiting portion 72 by pulling the connecting block 71 from the inside of the handle 2. In this way, the sling 7 still has a detachable function. However, the present application does not make any limitation in this regard.

[0044] In some embodiments, the handle 2 is provided with a bottom cover 26, the bottom cover 26 covers the installation hole 24 and is provided with a threading hole 27, and the sling 7 passes through the installation hole 24 and the threading hole 27 in sequence and extends to the outside of the handle 2. In this way, the fixing effect of the handle 2 on the sling 7 can be improved. It should be understood that in specific implementation, the threading hole 27 can also be used to pass the power line 8, which can reduce the number of openings of the bottom cover 26, is conducive to reducing the process difficulty, and improving the reliability of the bottom cover 26. However, the present application does not make any limitation in this regard.

[0045] In some embodiments, the threading hole 27 and the mounting hole 24 are arranged in a staggered manner. In this way, the threading path of the sling 7 can be more complex, so as to reduce the risk of the sling 7 falling off the handle 2. Compared with the straight arrangement of the mounting hole 24 and the threading hole 27, the staggered arrangement can provide a better fixing effect and ensure the stability of the sling. However, the embodiments of the present application are not limited in this regard.

[0046] It is intended that the embodiments of the present specification cover all such alternatives, modifications and variations of the embodiments of the present specification as come within the scope of the appended claims and their equivalents. Any further modifications in the scope of the application should be considered as falling within the scope of the application.

[0047] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any modification or replacement within the technical scope disclosed by the present application can be easily conceived by those skilled in the art, and should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A hair dryer characterized by, The utility model relates to a handheld hair dryer, including: a connected shell and handle; the shell is provided with main air duct and first air inlet and first air outlet with main air duct intercommunication, be provided with fan in main air duct; the handle is provided with heat dissipation air duct and second air inlet and second air outlet with heat dissipation air duct intercommunication, be provided with control circuit board in heat dissipation air duct; Wherein, the second air outlet is communicated with the main air duct, and the fan forms negative pressure when starting, so that the airflow enters the main air duct after passing through the second air inlet, the heat dissipation air duct and the second air outlet in turn; The handle is provided with a sling, and the sling is used for hanging the hair dryer.

2. The hair dryer of claim 1, wherein The second air outlet is in particular communicated with the air inlet side of the fan.

3. The hair dryer of claim 2, wherein, The main air duct is provided with a guide plate, which is used for connecting the second air outlet with the air inlet side of the fan.

4. The hair dryer of claim 1, wherein The second air inlet is located at the end of the handle away from the shell, and the second air outlet is located at the end of the handle close to the shell.

5. The hair dryer of claim 1, wherein, The control circuit board has opposite first and second side surfaces along its thickness direction, and the first and second side surfaces are respectively spaced apart from the handle.

6. The hair dryer of claim 5, wherein, The control circuit board is embedded in the first and second recesses at the two ends in the transverse direction, and the first and second recesses are arranged on the inner wall of the handle.

7. The hair dryer of claim 1, wherein The handle is provided with the sling at the end away from the shell.

8. The hair dryer of claim 1, wherein, The handle is provided with a mounting hole, and the sling is arranged in the mounting hole.

9. The hair dryer of claim 8, wherein, The mounting hole penetrates the thickness of the handle.

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