WO2024027118A1

WO2024027118A1 - Hair dryer accessory and hair dryer

Info

Publication number: WO2024027118A1
Application number: PCT/CN2023/074361
Authority: WO
Inventors: 黄振杰
Original assignee: 追觅创新科技(苏州)有限公司
Priority date: 2022-08-01
Filing date: 2023-02-03
Publication date: 2024-02-08
Also published as: CN218527975U

Abstract

A hair dryer accessory and a hair dryer. The hair dryer accessory comprises: an air inlet (141); an air output face (1311), which is arranged facing away from the air inlet (141), the air output face (1311) being provided with at least one air outlet (1312); and a flow guide structure (300), which is connected between the air output face (1311) and the air inlet (141), wherein the flow guide structure (300) is suitable for guiding at least some of an airflow blown out through the air outlet (1312) to flow along a surface of the air output face (1311). By providing the flow guide structure (300), an airflow is used for combing hair so as to achieve overall smoothness of the hair, the operation is convenient, the problem of the hair warping when being blown is effectively solved, and hair damage can also be avoided.

Description

Hair dryer accessories and hair dryers

This application requires the priority of the following patent application: a Chinese patent application submitted to the China Patent Office on August 2, 2022, with the application number 202221997787. This reference is incorporated into this application.

Technical field

The present application relates to the technical field of hair dryers, and in particular to a hair dryer accessory and a hair dryer.

Background technique

A hair dryer is a commonly used household appliance, mainly used to dry hair and comb it. Usually, in order to improve the hair smoothing effect, existing hair dryers are equipped with accessories with comb teeth at the air outlet end to improve the combing quality of the hair during the drying process.

However, when the current hair dryer blows hair, the hair is usually blown away from the attachment perpendicularly to the longitudinal surface of the attachment. Therefore, even with comb teeth, it is still easy to cause the hair to fly, causing great inconvenience to combing the hair.

Therefore, it is necessary to improve the prior art to overcome the defects in the prior art.

Contents of the invention

The purpose of this application is to provide a hair dryer accessory and a hair dryer to solve the above problems.

The purpose of this application is to be achieved through the following technical solutions: a hair dryer accessory, including: an air inlet; an air outlet surface, arranged back to the air inlet, and the air outlet surface is provided with at least one air outlet; and a flow guide structure, Received between the air outlet surface and the air inlet; wherein, the air guide structure is adapted to guide at least part of the airflow blown out from the air outlet to flow along the surface of the air outlet surface.

Further, the air guide structure includes: an air supply surface; a windward surface, which is arranged opposite to the air supply surface; wherein, the air supply surface and the windward surface cooperate to form an air outlet duct, and the air outlet The air duct extends to the air outlet.

Further, the air supply surface includes a first end, a second end, and a first arc surface extending between the first end and the second end, and the first end is in contact with the air outlet surface. Arc transition, the second end is provided at the air inlet end of the air outlet duct; the windward surface includes a third end, a fourth end and extends between the third end and the fourth end The second arc surface, the fourth end is arranged at the air inlet end of the air outlet air duct; the first arc surface and the second arc surface cooperate to form the air outlet air duct, and the air outlet air duct There is an angle between the air outlet direction of the air duct and the air outlet surface.

Further, the angle between the part of the first arc surface near the second end and the air outlet surface is greater than the angle between the part of the second arc surface near the fourth end and the air outlet surface. angle.

Further, the hair dryer accessory includes an air cavity, and the air cavity is communicated with the air inlet and the air outlet duct respectively.

Furthermore, a plurality of the air outlets are provided at intervals along the longitudinal direction of the air outlet surface, and the air guide structures correspond to the air outlets one by one.

Further, the hair dryer accessory includes: a main body part having the air outlet surface and the air inlet; wind shields arranged on both sides of the main body part in the longitudinal direction; wherein, the wind shields It cooperates with the main body part to form the air cavity.

Further, the wind shield protrudes relative to the air outlet surface, and a limiting space for limiting hair is formed between the two wind shields.

Further, the hair dryer attachment includes a roller close to the wind outlet side of the windward surface, and the two ends of the roller respectively extend to the two windshields and are rotationally connected with the windshields.

Further, the roller is made of thermally conductive material.

Furthermore, a groove is provided at one end of the windward surface close to the air outlet surface, and at least part of the roller is disposed in the groove.

In addition, this application also provides a hair dryer, including the aforementioned hair dryer attachment.

Compared with the prior art, this application has the following beneficial effects: This application provides a guide structure that can guide the air flow blown out of the air outlet to flow along the surface of the air outlet surface. When the hair is blown close to the air outlet surface, , the hair can be blow-dried and straightened against the air outlet surface, and the hair dryer can be moved along the air outflow direction of the hair dryer attachment to achieve the purpose of combing the hair; this application uses air flow to comb the hair and achieve overall smoothness of the hair, and is easy to operate , effectively solves the problem of flying hair when blow-drying, and also prevents hair damage.

Description of the drawings

Figure 1 is a schematic structural diagram of the hair dryer accessory of the present application.

Figure 2 is a schematic structural diagram of Figure 1 with the windshield removed.

Figure 3 is a schematic cross-sectional view of the hair dryer attachment of the present application.

Figure 4 is a partial enlarged view of Figure 3 at position A.

In the figure: 100. Main part; 110. First part; 120. Second part; 130. Third part; 131. First wall; 1311. Air outlet surface; 1312. Air outlet; 132. Second wall; 140. air inlet duct; 141. Air inlet; 150. Butt portion; 200. Wind deflector; 300. Guide structure; 310. Air supply surface; 311. First end; 312. Second end; 313. First arc surface; 320. Windward surface; 321, third end; 322, fourth end; 323, second arc surface; 330, air outlet duct; 340, groove; 400, air cavity; 500, roller.

Detailed ways

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The present application will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, as long as there is no conflict, the embodiments and features in the embodiments of this application can be combined with each other.

It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

In this application, unless otherwise specified, the directional words used such as "upper, lower, top, and bottom" usually refer to the direction shown in the drawings, or to the vertical or vertical position of the component itself. Vertically or in the direction of gravity; similarly, for ease of understanding and description, "inside and outside" refers to the inside and outside relative to the outline of each component itself, but the above directional terms are not used to limit this application.

In this application, unless otherwise explicitly stated and limited, terms such as "connected" and "connected" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, a movable connection, or an integral body; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an internal connection between two elements. interaction relationship. 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.

Please refer to FIG. 1 , which corresponds to a hair dryer attachment according to a preferred embodiment of the present application. It is used for docking with the hair dryer to improve the combing quality of hair during the blow drying process.

Referring to FIGS. 2 and 3 , the hair dryer accessory includes an air inlet 141 , an air outlet surface 1311 , and a flow guide structure 300 connected between the air inlet 141 and the air outlet surface 1311 . The air inlet 141 is used to receive air flow from the air outlet end of the hair dryer. The air inlet 141 is generally annular in shape so that it can form an airtight sealing connection with the generally annular air outlet end of the hair dryer. The air outlet surface 1311 is arranged away from the air inlet 141, and the air outlet surface 1311 is provided with at least one air outlet 1312 for ejecting the air flow out of the hair dryer attachment. The air guide structure 300 is connected between the air outlet surface 1311 and the air inlet 141 . The air guide structure 300 is suitable for guiding at least part of the air flow blown out from the air outlet 1312 to flow along the surface of the air outlet surface 1311 .

This application provides a guide structure 300 that can guide the airflow blown out of the air outlet 1312 to flow along the surface of the air outlet surface 1311. When the hair is blown close to the air outlet surface 1311, the hair can be close to the air outlet surface 1311. Achieve blow-drying and straightening, and move the hair dryer along the direction of the air flow out of the hair dryer attachment to achieve the purpose of combing the hair; this application uses air flow to comb the hair and achieve overall smoothness of the hair. It is easy to operate and effectively solves the problem of flying hair when blowing. problem, and can also avoid hair damage.

Further, the air guide structure 300 includes an air supply surface 310 and a windward surface 320 arranged opposite to the air supply surface 310. The air supply surface 310 and the windward surface 320 cooperate to form an air outlet duct 330, and the air outlet duct 330 extends to the outlet. tuyere1312. The airflow flowing out from the air inlet 141 can flow along the surface of the air outlet surface 1311 under the guidance of the air outlet duct 330 .

Referring to Figure 4, the air supply surface 310 includes a first end 311, a second end 312, and a first arc surface 313 extending between the first end 311 and the second end 312. The first end 311 and the air outlet surface 1311 arc transition, the second end 312 is set at the air inlet end of the air outlet duct 330. The windward surface 320 includes a third end 321 , a fourth end 322 and a second arc surface 323 extending between the third end 321 and the fourth end 322 . The fourth end 322 is provided at the air inlet end of the air outlet duct 330 . The first arc surface 313 is curved toward the second arc surface 323 , the second arc surface 323 is curved toward the first arc surface 313 , and the first arc surface 313 and the second arc surface 323 cooperate to form an air outlet duct 330 . The air outlet direction of the air outlet duct 330 has an included angle with the air outlet surface 1311. This included angle is suitable for making the air outlet direction not perpendicular to the longitudinal direction of the air outlet surface 1311, thereby preventing the airflow from directly flowing along the air outlet surface 1311. 1311 blows out from the air outlet 1312 in an orthogonal direction. In this embodiment, the longitudinal direction of the air outlet surface 1311 specifically refers to the flow direction of the fluid on the air outlet surface 1311 .

Specifically, the second end 312 of the first arc surface 313 is deflected to the second arc surface 323, and the third end 321 of the second arc surface 323 is deflected to the arc-shaped transition structure, so that the first arc surface 313 and the second arc surface 323 can block the air flow in the direction orthogonal to the air outlet surface 1311, preventing the air flow from blowing directly to the air outlet 1312, and enabling the air flow entering the air outlet duct 330 to flow to the air supply surface 310 under the guidance of the windward surface 320. . Since the air supply surface 310 is an arc surface, and the air supply surface 310 and the air outlet surface 1311 transition in an arc, the airflow entering the air outlet duct 330 can follow the surface of the air supply surface 310 under the action of the Coanda effect. flow to change the flow direction, and cause the air flow to flow along the surface of the air outlet surface 1311 when flowing out from the air outlet 1312 .

Preferably, the angle between the part of the first arc surface 313 close to the second end 312 and the air outlet surface 1311 is greater than the angle between the part of the second arc surface 323 close to the fourth end 322 and the air outlet surface 1311, so that The windward surface 320 has more windward area to guide more fluid into the outlet air duct 330 .

Further, as shown in FIGS. 1 to 3 , the hair dryer accessory includes a main body 100 and a windshield 200 . The main body 100 has an air outlet surface 1311 and an air inlet 141 . The windshield 200 is disposed in the longitudinal direction of the main body 100 . The two sides of the main body 100 form an air cavity 400 . The air cavity 400 is connected to the air inlet 141 and the air outlet duct 330 respectively. The air flow entering the hair dryer attachment from the air inlet 141 can be concentrated in the air cavity 400 and enter the air outlet duct 300 . Preferably, the air outlet 1312 extends to the two wind baffles 200 along the width direction of the air outlet surface 1311, so as to increase the air outlet area and achieve the optimal air outlet volume. In this embodiment, the width direction specifically refers to the direction orthogonal to the longitudinal direction. The number of air outlets 1312 is 1 to 6, and the width of the air outlets 1312 is 1.5 mm to 4 mm. When there are multiple air outlets 1312 , they are spaced apart along the longitudinal direction of the air outlet surface 1311 . Correspondingly, there are multiple air guide structures 300 , corresponding to the air outlets 1312 one-to-one. The airflow in the air cavity 400 can flow out from different air outlets 1312 under the guidance of the multiple air guide structures 300 and flow along the surface of the air outlet surface 1311, so that air can be discharged from multiple positions on the air outlet surface 1311. , improve the hair smoothing effect and hair smoothing area.

The main body part 100 includes a first part 110 and a second part 120 connected with the first part 110 . The first part 110 and the second part 120 are preferably integrally formed to simplify assembly steps. The first part 110 has a generally conical shape, and the first part 110 has a hollow through structure in its axial direction. The end of the first part 110 with the smaller cross-section forms an air flow inlet end, and the air flow inlet end is generally circular in shape. The second part 120 has a generally hemispherical shape. The second part 120 is coaxially disposed within the first part 110. The end surface of the second part 120 is substantially flush with the airflow inlet end of the first part 110. The inner peripheral side of the first part 110 and There is a gap between the outer peripheral sides of the second part 120, and the first part 110 and the second part 120 are fixed to each other through connecting ribs. An air inlet duct 140 having an air inlet 141 is formed between the first part 110 and the second part 120 , and the air inlet duct 140 is connected to the air cavity 400 . The air inlet duct 140 is formed by using the tapered first part 110 and the hemispherical second part 120 so that the size of the inlet air duct 140 increases in the direction from the air inlet end to the air outlet end, so as to guide the air flow. Flows uniformly to various areas of the air cavity 400 .

The main body 100 further includes a third portion 130 , and an end of the first portion 110 opposite to the airflow inlet end is connected to the third portion 130 . The third portion 130 includes a first wall 131 and a second wall 132 arranged oppositely. The first wall 131 is bent toward the air inlet duct 140 and toward the air outlet end away from the air inlet duct 140 . The second wall 132 is connected to the air outlet end of the air inlet duct 140 and is bent away from the first wall 131 The first wall 131 and the second wall 132 are bent in a direction where the sides are connected and enclose a cavity with a through structure in the width direction of the air outlet surface 1311 . The air inlet duct 140 is preferably disposed in the middle of the second wall 132. The second wall 132 has an opening corresponding to the position of the air inlet duct 140, and the air flow can flow into the cavity from the opening of the first wall 131. The outer surface of the first wall 131 facing away from the air inlet duct 140 is the air outlet surface 1311. Since the air outlet surface 1311 is curved in a direction away from the first wall 131, an arc surface is formed to prevent the airflow from flowing out from the air outlet 1312. It can flow better along the surface of the air outlet surface 1311 under the action of Coanda effect. The air guide structure 300 is disposed on the inner surface of the first wall 131 facing the air inlet duct 140. The air guide structure 300 is preferably integrally formed with the first wall 131 to simplify the assembly steps.

Furthermore, the hair dryer accessory further includes a docking portion 150, which is disposed on the second part 120 and protrudes relative to the outlet end of the air inlet duct 140. The docking portion 150 is used to detachably plug and fit with the hair dryer.

Furthermore, the number of the wind baffles 200 is two, and they cover the two opening sides of the first wall 131 and the second wall 132 respectively, so as to cooperate with the first wall 131 and the second wall 132 to form the wind cavity 400 . Preferably, the windshield 200 protrudes relative to the air outlet surface 1311, and a limiting space for hair is formed between the two windshields 200, so as to better concentrate the hair on the air outlet surface 1311 and ensure that the wind is discharged The wind blown out by the air duct 330 accurately acts on the hair between the wind shields 200, thereby further optimizing the combing effect of the hair.

Further, the hair dryer attachment also includes a roller 500 close to the wind outlet side of the windward surface 320. The axial direction of the roller 500 is consistent with the width direction of the air outlet surface 1311. The two ends of the roller 500 extend to the two windshields respectively. plate 200, and is rotatably connected with the windshield 200. The roller 500 can automatically rotate under the blowing of the fluid to comb the hair during the rotation process to further improve the hair smoothing effect. In this embodiment, the material of the roller 500 is a thermally conductive material. When the air flow is a hot air flow, it can transfer heat to the roller 500 and heat and iron the hair when the roller 500 contacts the hair. Effect.

Preferably, as shown in FIG. 4 , a groove 340 is provided at one end of the windward surface 320 close to the air outlet surface 1311 , and at least part of the roller 500 is disposed in the groove 340 to cooperate with the windward surface 320 to form an air outlet channel 330 part to improve the drainage effect of the air outlet duct 330.

The above is only a specific embodiment of the present application, and any other improvements made based on the concept of the present application shall be deemed to be within the protection scope of the present application.

Claims

A hair dryer accessory, which is characterized in that it includes:

Inlet;

An air outlet surface is provided facing away from the air inlet, and the air outlet surface is provided with at least one air outlet; and

A flow guide structure is connected between the air outlet surface and the air inlet;

Wherein, the air guide structure is adapted to guide at least part of the air flow blown out from the air outlet to flow along the surface of the air outlet surface.
The hair dryer accessory according to claim 1, wherein the flow guide structure includes:

air supply side;

The windward side is arranged opposite to the air supply surface;

Wherein, the air supply surface and the windward surface cooperate to form an air outlet duct, and the air outlet duct extends to the air outlet.
The hair dryer accessory according to claim 2, wherein the air supply surface includes a first end, a second end, and a first arc surface extending between the first end and the second end, The first end has an arc-shaped transition with the air outlet surface, and the second end is provided at the air inlet end of the air outlet duct;

The windward surface includes a third end, a fourth end and a second arc surface extending between the third end and the fourth end, and the fourth end is provided at the air inlet of the air outlet duct. end;

The first arcuate surface and the second arcuate surface cooperate to form the air outlet air duct, and the air outlet direction of the air outlet air duct has an included angle with the air outlet surface.
The hair dryer accessory of claim 3, wherein the angle between the part of the first arc surface close to the second end and the air outlet surface is larger than the angle between the part of the first arc surface close to the fourth end and the part of the second arc surface close to the fourth end. The angle between the partial arc surface of the end and the air outlet surface.
The hair dryer accessory according to claim 2, wherein the hair dryer accessory includes an air cavity, and the air cavity is respectively connected with the air inlet and the air outlet duct.
The hair dryer accessory according to claim 1, wherein a plurality of the air outlets are provided at intervals along the longitudinal direction of the air outlet surface, and the flow guide structures correspond to the air outlets one by one.
The hair dryer accessory according to claim 5, wherein the hair dryer accessory includes:

The main body part has the air outlet surface and the air inlet;

Windshields are provided on both sides of the main body in the longitudinal direction;

Wherein, the wind deflector and the main body part cooperate to form the wind cavity.
The hair dryer accessory according to claim 7, wherein the windshield is opposite to the The air outlet surface is protruding, and a limiting space for limiting hair is formed between the two wind deflectors.
The hair dryer accessory according to claim 7, characterized in that the hair dryer accessory includes a roller close to the wind outlet side of the windward surface, and both ends of the roller extend to the two wind shields respectively. , and is rotationally connected with the windshield.
The hair dryer accessory according to claim 9, wherein the roller is made of a thermally conductive material.
The hair dryer accessory according to claim 9, wherein a groove is provided at one end of the windward surface close to the air outlet surface, and at least part of the roller is disposed in the groove.
A hair dryer, characterized by comprising the hair dryer attachment according to any one of claims 1 to 11.