CN116473339A

CN116473339A - Electric hair drier

Info

Publication number: CN116473339A
Application number: CN202310568791.7A
Authority: CN
Inventors: 别正业; 黄远辉
Original assignee: Guangdong Jinye Meijian Technology Co ltd
Current assignee: Guangdong Jinye Meijian Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-07-25

Abstract

The invention relates to an electric hair drier, comprising: the shell component is provided with a first installation cavity, an air inlet and an air outlet; the air duct assembly is positioned in the first mounting cavity, the air duct assembly is provided with an air inlet hole, the air duct assembly is provided with a first annular air duct and a second annular air duct, the air inlet hole is positioned at the inner side of the first annular air duct, the second annular air duct is positioned at the outer side of the first annular air duct, and the air inlet, the first mounting cavity, the air inlet hole, the first annular air duct, the second annular air duct and the air outlet are sequentially communicated; the heating component is positioned in the second annular air duct; and the motor assembly is at least partially positioned in the air inlet hole. The utility model discloses an electric hair drier, its wind channel subassembly's air inlet hole is located the inboard in its first annular wind channel, and its second annular wind channel is located the outside in first annular wind channel, and motor assembly and heating element are located the air inlet hole respectively with the second annular wind channel to can make full use of horizontal space, make housing assembly length reduce.

Description

Electric hair drier

Technical Field

The invention relates to the technical field of household appliances, in particular to an electric hair drier.

Background

The hair drier is one of the indispensable small household appliances for beauty and care in life, is mainly used for drying and shaping hair, and can also be used for drying and art designing in other aspects. Traditional hairdryer includes dryer and handle, and the rear end of dryer is provided with the air intake, and the front end of dryer is provided with the air outlet, is provided with the passageway of intercommunication air intake and air outlet in the dryer, and heating element sets up in the passageway, and when gas flow through heating element, with heating element production heat exchange to can make the hairdryer blow out hot-blast.

The prior electric hair drier heating component, the fan component and the control panel are mostly arranged in the air cylinder and are arranged along the length direction of the air cylinder, so that the volume of the air cylinder main body is larger, the use is more inconvenient, and the storage is not easy. Meanwhile, a heating component in the electric hair drier is positioned at the front side of the air duct, and the mass is large, so that the problem that the electric hair drier tilts forward when a user holds the electric hair drier can occur, and the using hand feeling of the user is affected.

Disclosure of Invention

Based on this, it is necessary to provide an electric hair dryer for the problems that the volume of the dryer main body is large, the use is inconvenient, and the storage is not easy.

An electric hair dryer, comprising: the shell assembly is provided with a first installation cavity, the shell assembly is provided with an air inlet and an air outlet, and the first installation cavity is respectively communicated with the air inlet and the air outlet; the air duct assembly is arranged on the shell assembly, the air duct assembly is positioned in the first installation cavity, the air duct assembly is provided with an air inlet hole, the air duct assembly is provided with a first annular air duct and a second annular air duct, the air inlet hole is positioned at the inner side of the first annular air duct, the second annular air duct is positioned at the outer side of the first annular air duct, and the air inlet, the first installation cavity, the air inlet hole, the first annular air duct, the second annular air duct and the air outlet are sequentially communicated; the heating component is arranged on the air duct component and is positioned in the second annular air duct; the motor assembly is arranged on the air duct assembly, at least part of the motor assembly is positioned in the air inlet hole, and the motor assembly generates negative pressure in the air duct assembly.

The application discloses hairdryer, the wind channel subassembly is equipped with the fresh air inlet, first annular wind channel and second annular wind channel, the inboard in first annular wind channel is located in the wind channel of second annular wind channel, the air intake, first installation cavity, the fresh air inlet, first annular wind channel, second annular wind channel and air outlet communicate in proper order, motor assembly and heating element are located the fresh air inlet respectively in second annular wind channel, can set up the fan subassembly in heating element's inboard through adopting above-mentioned structure, thereby can improve make full use of horizontal space, make the length of casing subassembly reduce, still can form the air insulating layer through setting up in second annular wind channel, can avoid heating element intensification to the influence that fan subassembly caused from this.

In one embodiment, the air duct assembly comprises an outer shell and an inner shell, the outer shell is provided with a first cavity, the outer shell is provided with an opening, the opening is communicated with the first cavity, an air inlet column is formed on one side of the bottom wall of the outer shell, which faces the opening, the air inlet column is provided with an air inlet hole, at least part of the inner shell penetrates through the opening and stretches into the first cavity, the inner shell is sleeved on the outer side of the air inlet column, the inner wall of the inner shell and the air inlet column enclose to form an air distribution cavity and a first annular air duct, the side wall of the inner shell and the side wall of the outer shell enclose to form a second annular air duct, and the air inlet hole, the air distribution cavity, the first annular air duct and the second annular air duct are sequentially communicated. Through adopting above-mentioned structure, its outer diapire forms the air inlet post towards its opening direction, and the air inlet post encloses with the shell inner wall and closes and form annular first cavity, and the air inlet post is equipped with the fresh air inlet that link up, and when the inner shell cover was established in the air inlet post outside, inner shell and shell cooperation separated annular first cavity and formed into wind chamber, first annular wind channel and second annular wind channel, and first annular wind channel is located the inboard in second annular wind channel, and fresh air inlet, divide wind chamber, first annular wind channel, second annular wind channel communicate in proper order, through adopting above-mentioned structure, can form multilayer wind channel, be convenient for respectively set up motor assembly and heating element in the inboard and the outside in wind channel respectively, make full use of horizontal space.

In one embodiment, a plurality of protrusions are formed on one side of the bottom wall of the outer shell, facing the inner shell, the protrusions are distributed at intervals along the circumferential direction of the outer shell, the protrusions are abutted to the peripheral wall of the inner shell, an air passing gap is formed between the peripheral wall of the inner shell and the bottom wall of the outer shell, and the first annular air channel is communicated with the second annular air channel through the air passing gap. The bulge is formed on the bottom wall of the outer shell and is used for propping against the peripheral wall of the inner shell, so that an air passing gap can be formed between the bottom wall of the outer shell and the peripheral wall of the inner shell, and the air passing gap is positioned at one side far away from the air dividing cavity, so that air flow can be ensured to fully flow through the second annular air channel to form an air heat insulating layer.

In one embodiment, the inner shell comprises an inner shell body and an end cover, the inner shell body is a hollow column, the inner shell body is sleeved on the outer side of the air inlet column, the end cover is arranged on one side, far away from the air inlet column, of the inner shell body, the end cover and the inner shell body are enclosed to form the air distribution cavity, the peripheral wall of the inner shell body and the peripheral wall of the air inlet column are enclosed to form the first annular air channel, and the second annular air channel is formed between the peripheral wall of the inner shell body and the peripheral wall of the outer shell. Through adopting above-mentioned structure, after the air current gets into the branch wind chamber through the fresh air inlet, the air current collides with structures such as end cover and changes flow direction and flows in first annular wind channel and second annular wind channel in proper order.

In one embodiment, the peripheral wall of the inner shell abuts against the bottom wall of the outer shell, a plurality of air passing holes are formed in one side, close to the bottom wall of the outer shell, of the peripheral wall of the inner shell, the air passing holes are distributed at intervals along the circumferential direction of the inner shell, and the first annular air channel is communicated with the second annular air channel through the air passing holes.

In one embodiment, a limiting protrusion is formed on a side of the bottom wall of the outer shell, which faces the inner shell, and a first limiting groove adapted to the limiting protrusion is formed on a side of the Zhou Bichao of the inner shell, which faces the bottom wall of the outer shell. Through the spacing protruding and first spacing groove structure that forms looks adaptation at shell and inner shell respectively, first spacing recess can be to spacing protruding formation spacing positioning action for quick alignment when shell and inner shell are connected improves installation rate, makes its connection more firm simultaneously, thereby makes the installation of internal components such as heating element more stable.

In one embodiment, a plurality of buckles are formed on one side, far away from the second annular air duct, of the peripheral wall of the shell, the buckles are distributed at intervals along the circumferential direction of the shell, and a clamping groove matched with the buckles is formed on the side wall of the shell, facing the shell, of the shell assembly. Through adopting above-mentioned structure, can make things convenient for the location installation of wind channel subassembly, simultaneously through buckle connected mode, can make the installation of wind channel subassembly dismantle convenient and fast more, need not to borrow the instrument, improve assembly efficiency.

In one embodiment, the end cap is connected to the side wall of the inner housing body by a cambered surface. By adopting the cambered surface connection structure, the airflow at the transition part can flow stably, the change degree of the airflow velocity at the transition part is slowed down, and the noise is reduced.

In one embodiment, a convex column is formed on one side of the end cover facing the wind distributing cavity, and the central axis of the convex column is overlapped with the central axis of the air inlet hole. Through adopting above-mentioned structure, the projection is met with the air current that gets into the wind channel subassembly through the fresh air inlet and makes its reposition of redundant personnel get into first annular lane from different directions, has improved reposition of redundant personnel efficiency from this to make the air current evenly flow.

In one embodiment, the heating component comprises a support and heating wires, the support is arranged on the outer shell and/or the inner shell, the support is located in the second annular air duct, the support is annular, the support is provided with a second cavity, the second cavity is communicated with the second annular air duct, a plurality of limiting plates are formed on one side of the side wall of the support towards the inner shell, the limiting plates are distributed on the side wall of the support at intervals, the number of the heating wires is multiple, two adjacent limiting plates are connected through a plurality of heating wires, and the heating wires are located in the second cavity. Through adopting above-mentioned structure, the heating wire can evenly lay in annular support inboard for the air current of each position on the second annular wind channel can fully contact with the heating wire, promotes heat exchange efficiency.

In one embodiment, the inner housing Zhou Bichao is formed with a plurality of first mounting grooves on one side of the second annular air duct, the plurality of first mounting grooves are distributed on the peripheral wall of the inner housing at intervals, and the plurality of first mounting grooves are matched with the plurality of limiting plates. Through adopting above-mentioned structure, can form the installation space and be used for the connection of support and inner shell, first mounting groove forms spacing effect to the limiting plate, and the heating element of being convenient for sets up in the annular wind channel of second steadily, can reduce the possibility that takes place to loosen when it receives the impact and take place to take off the damage, ensures that it can last effective steady operation.

In one embodiment, the inner casing Zhou Bichao is formed with wind-guiding ribs towards one side of the second annular air duct, the wind-guiding ribs are arranged along the axial direction of the inner casing, the number of the wind-guiding ribs is multiple, a first mounting groove is formed between two adjacent wind-guiding ribs, two adjacent wind-guiding ribs are in a group, and multiple groups of wind-guiding ribs are distributed on the peripheral wall of the inner casing at intervals. Through the setting of wind-guiding muscle, the air current can flow to the air outlet of air-out lid more orderly under the guide of wind-guiding muscle, and two adjacent wind-guiding muscle can form first mounting groove simultaneously, and the limiting plate on the heating element inserts with the adaptation and establishes in first mounting groove, and first mounting groove forms spacing effect to the limiting plate, ensures that the air current in the second annular wind channel can fully contact with the heating element.

In one embodiment, the housing assembly comprises a wind barrel and a handle, the wind barrel is provided with the first installation cavity, the wind barrel is provided with the air outlet, the handle is arranged on the side wall of the wind barrel, the handle is provided with the air inlet, and the wind channel assembly is arranged on the wind barrel. Through adopting above-mentioned structure, can simplify dryer structure with the air intake setting on the handle, improve bigger design space for reducing dryer volume, set up the risk that the hair was inhaled the hair-dryer on the handle simultaneously also can be reduced.

In one embodiment, the air duct comprises an air duct body and an air outlet cover, the air duct body is provided with a first installation cavity, the air duct body is provided with a first installation opening, the first installation opening is communicated with the first installation cavity, the air outlet cover is arranged on the first installation opening, the air outlet cover is propped against the air duct assembly, the air outlet cover is provided with an air outlet, and the air outlet and the second annular air duct are oppositely arranged. Through adopting above-mentioned structure, the air-out lid offsets with the wind channel subassembly, and the air-out end and the air-out lid tight connection of second annular wind channel to ensure that the air current of second annular wind channel will fully flow out the wind gap and blow out the machine body and do not take place to leak.

In one embodiment, the number of the air outlets is multiple, and the multiple air outlets are combined to form an annular air outlet end. Through setting up annular air outlet structure accessible reduction air-out area makes out the wind speed and improves, and the amount of wind is stronger.

In one embodiment, the inner side wall of the air outlet cover extends from the air outlet to the peripheral wall of the air duct assembly, and the vertical distance between the inner side wall of the air outlet cover and the central axis of the air outlet cover is larger and larger. By adopting the structure, when the air flow flows through the inner side wall of the air outlet cover, the air flow naturally flows to the air outlet due to the wall attaching effect, so that collision noise is reduced.

In one embodiment, a first connecting hole is formed in one side, facing the air duct assembly, of the air outlet cover, and a second connecting hole is formed in the air duct assembly and is opposite to the first connecting hole. Through set up the connecting hole on air-out lid and end cover, adopt screw connection mode to make wind channel subassembly can stably assemble with the air-out lid.

In one embodiment, the air duct further comprises a rear cover, a second mounting opening is formed in one side, far away from the first mounting opening, of the air duct body, and the rear cover is arranged on the second mounting opening. By arranging the detachable rear cover, convenience can be provided for assembling parts such as an air duct component of the electric hair drier

In one embodiment, a limiting part is arranged on one side of the inner shell body away from the air inlet column, and the limiting part is matched with the air outlet cover. The setting through spacing portion can be convenient for through the air-out lid location installation of end cover and hairdryer for the second annular wind channel can better aim at the air outlet, improves installation effectiveness.

In one embodiment, a second limiting groove is formed on one side, away from the air inlet column, of the limiting portion, and the second limiting groove is matched with the air outlet cover.

In one embodiment, the side wall of the limiting portion extends from the connection position of the limiting portion and the inner shell body to a direction away from the inner shell body, and the vertical distance between the limiting portion and the central axis of the inner shell body is larger. By adopting the structure, when the air flow flows through the side wall of the limiting part, the air flow naturally flows to the air outlet of the electric hair drier due to the wall attaching effect, so that collision noise is reduced.

In one embodiment, the second connection hole is formed in the protruding column.

In one embodiment, the handle further comprises a driving assembly, the handle comprises a handle body and an air inlet cover, the handle body is provided with a second installation cavity, the driving assembly is arranged on the handle body, at least part of the driving assembly is located in the second installation cavity, the air inlet cover is arranged on the handle body, the air inlet cover is provided with an air inlet, and the air inlet, the second installation cavity, the first installation cavity and the air inlet hole are sequentially communicated. Through adopting above-mentioned structure, with drive assembly setting in the second installation cavity, can make dryer inner assembly simplify on the one hand, can further reduce the dryer volume, on the other hand air current gets into through the second installation cavity through the air intake and can take away drive assembly's work heat, forms the radiating effect, can make drive assembly work more stable.

In one embodiment, the air inlet cover further comprises a filter assembly, wherein the filter assembly is arranged on the handle body or the air inlet cover, and the filter assembly is positioned in the second installation.

In one embodiment, the motor assembly comprises a motor body and a limiting cover, the limiting cover is arranged on the air duct assembly, the motor body is arranged on the limiting cover, and the motor body is matched with the air inlet. Through the setting of spacing lid, can make the motor body set up in the fresh air inlet steadily.

In one embodiment, the air duct assembly further comprises a negative ion assembly, a second mounting groove is formed in one side, away from the air outlet, of the air duct assembly, and the negative ion assembly is matched with the second mounting groove. The anion component can be stably arranged in the installation space formed on the air duct component through the arrangement of the second installation groove, so that the internal structure is compact, and the space utilization rate can be effectively improved. Through installing anion subassembly, sustained release anion in the use, the positive charge that the neutralization hair carried plays smooth frizzy, the effect of compliance hair.

In one embodiment, the plasma device further comprises a plasma component, a third mounting groove is formed in one side, away from the air outlet end, of the annular housing, and the plasma component is matched with the third mounting groove. The plasma component can be stably installed in an installation space formed on the air duct component through the arrangement of the third installation groove, and air entering the electric hair drier can be further purified through the arrangement of the negative ion component.

Drawings

Fig. 1 is a perspective view of an electric hair dryer according to an embodiment;

fig. 2 is an overall cross-sectional view of an electric hair dryer according to an embodiment;

fig. 3 is a first partial cross-sectional view of an electric hair dryer according to an embodiment;

fig. 4 is a second partial cross-sectional view of an electric hair dryer according to an embodiment;

fig. 5 is an exploded view of an electric hair dryer according to an embodiment;

FIG. 6 is a perspective view of an air duct assembly according to an embodiment;

FIG. 7 is a first cross-sectional view of an air chute assembly according to an embodiment;

FIG. 8 is a second cross-sectional view of an air chute assembly according to an embodiment;

FIG. 9 is a first perspective view of an inner housing of an embodiment;

FIG. 10 is a second perspective view of an inner housing of an embodiment;

FIG. 11 is a first perspective view of a housing of an embodiment;

FIG. 12 is a second perspective view of an embodiment of a housing;

fig. 13 is a perspective view of a motor assembly of an embodiment.

Wherein, the correspondence between the reference numerals and the component names is:

1 a shell component, 101 a first installation cavity, 102 an air inlet, 103 an air outlet, 104 a second installation cavity, 11 an air duct, 111 an air duct body, 112 an air outlet cover, 113 a rear cover, 12 a handle, 121 a handle body and 122 an air inlet cover;

the air duct assembly, the air inlet hole, the first annular air duct 202, the second annular air duct 203, the air distribution cavity 204, the air passing gap 205, the first limit groove 206, the second connecting hole 207, the second limit groove 208, the first mounting groove 209, the second mounting groove 2091, the third mounting groove 2092, the outer shell 21, the air inlet column 211, the convex 212, the limiting convex 213, the 214 buckle, the inner shell 22, the inner shell 221, the end cover 222, the air guide rib 223 and the limiting part 224;

3 heating components, 31 brackets and 32 heating wires;

4 motor components, 41 motor bodies and 42 limit covers;

5 a drive assembly;

6, a filtering component;

7, an anion assembly;

8 plasma assembly.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

Some embodiments of the hair dryer according to the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present embodiment discloses an electric hair dryer, including: the shell comprises a shell component 1, wherein a first installation cavity 101 is formed in the shell component 1, an air inlet 102 and an air outlet 103 are formed in the shell component 1, and the first installation cavity 101 is respectively communicated with the air inlet 102 and the air outlet 103; the air duct assembly 2 is arranged on the shell assembly 1, the air duct assembly 2 is positioned in the first mounting cavity 101, the air duct assembly 2 is provided with an air inlet 201, the air duct assembly 2 is provided with a first annular air duct 202 and a second annular air duct 203, the air inlet 201 is positioned at the inner side of the first annular air duct 202, the second annular air duct 203 is positioned at the outer side of the first annular air duct 202, and the air inlet 102, the first mounting cavity 101, the air inlet 201, the first annular air duct 202, the second annular air duct 203 and the air outlet 103 are sequentially communicated; the heating component 3, the heating component 3 is arranged on the air duct component 2, and the heating component 3 is positioned in the second annular air duct 203; motor assembly 4, motor assembly 4 is provided on duct assembly 2, and at least part of motor assembly 4 is located in inlet opening 201, and motor assembly 4 generates negative pressure in duct assembly 2.

The application discloses hairdryer, wind channel subassembly 2 is equipped with fresh air inlet 201, first annular wind channel 202 and second annular wind channel 203, fresh air inlet 201 is located the inboard of first annular wind channel 202, second annular wind channel 203 is located the outside of first annular wind channel 202, air intake 102, first installation cavity 101, fresh air inlet 201, first annular wind channel 202, second annular wind channel 203 and air outlet 103 communicate in proper order, motor assembly 4 and heating element 3 are located fresh air inlet 201 and second annular wind channel 203 respectively, can set up the fan assembly in heating element's inboard through adopting above-mentioned structure, thereby can improve make full use of horizontal space, make the length of casing assembly 1 reduce, can also form the air insulating layer through the setting of second annular wind channel 203 simultaneously, can avoid heating element to heat up the influence that causes fan assembly from this.

As shown in fig. 3, 6 and 7, this embodiment further defines, in addition to the features of the above-described embodiment: the air duct assembly 2 comprises an outer shell 21 and an inner shell 22, wherein the outer shell 21 is provided with a first cavity, the outer shell 21 is provided with an opening, the opening is communicated with the first cavity, an air inlet column 211 is formed on one side, facing the opening, of the bottom wall of the outer shell 21, an air inlet hole 201 is formed in the air inlet column 211, at least part of the inner shell 22 penetrates through the opening to extend into the first cavity, the inner shell 22 is sleeved on the outer side of the air inlet column 211, the inner wall of the inner shell 22 and the air inlet column 211 enclose to form an air separating cavity 204 and a first annular air duct 202, the side wall of the inner shell 22 and the side wall of the outer shell 21 enclose to form a second annular air duct 203, and the air inlet hole 201, the air separating cavity 204, the first annular air duct 202 and the second annular air duct 203 are sequentially communicated. Through adopting above-mentioned structure, its shell 21 diapire forms the air inlet post 211 towards its opening direction, the air inlet post 211 encloses with the shell 21 inner wall and closes and form annular first cavity, the air inlet post 211 is equipped with the air inlet 201 that link up, when the inner shell 22 cover was established in the air inlet post 211 outside, inner shell 22 and shell 21 cooperation separate annular first cavity formation wind chamber 204, first annular wind channel 202 and second annular wind channel 203, first annular wind channel 202 is located the inboard of second annular wind channel 203, the air inlet 201, divide wind chamber 204, first annular wind channel 202, second annular wind channel 203 communicates in proper order, through adopting above-mentioned structure, can form multilayer wind channel, be convenient for respectively set up motor assembly 4 and heating element in the inboard and the outside in wind channel respectively, make full use of horizontal space.

As shown in fig. 7, 8 and 11, this embodiment further defines, in addition to the features of the above-described embodiment: the bottom wall of the outer shell 21 is formed with a plurality of protrusions 212 towards one side of the inner shell 22, the protrusions 212 are distributed at intervals along the circumferential direction of the outer shell 21, the protrusions 212 are propped against the circumferential wall of the inner shell 22, an air passing gap 205 is formed between the circumferential wall of the inner shell 22 and the bottom wall of the outer shell 21, and the first annular air channel 202 is communicated with the second annular air channel 203 through the air passing gap 205. By forming the protrusion 212 on the bottom wall of the outer casing 21 for abutting against the peripheral wall of the inner casing 22, an air passing gap 205 can be formed between the bottom wall of the outer casing 21 and the peripheral wall of the inner casing 22, and the air passing gap 205 is located at a side far away from the air dividing chamber 204, so that the air flow can be ensured to sufficiently flow through the second annular air duct 203 to form an air heat insulating layer.

As shown in fig. 7 and 9, this embodiment further defines, in addition to the features of the above-described embodiment: the inner shell 22 comprises an inner shell body 221 and an end cover 222, the inner shell body 221 is a hollow column, the inner shell body 221 is sleeved on the outer side of the air inlet column 211, the end cover 222 is covered on one side, far away from the air inlet column 211, of the inner shell body 221, the end cover 222 and the inner shell body 221 are enclosed with the peripheral wall, far away from the air inlet column 211, of the inner shell body 221 to form an air separating cavity 204, the peripheral wall of the inner shell body 221 and the peripheral wall of the air inlet column 211 are enclosed to form a first annular air channel 202, and a second annular air channel 203 is formed between the peripheral wall of the inner shell body 221 and the peripheral wall of the outer shell 21. By adopting the structure, after the air flow enters the air distribution cavity 204 through the air inlet 201, the air flow collides with the end cover 222 and other structures to change the flow direction and flows into the first annular air channel 202 and the second annular air channel 203 in sequence.

In addition to the features of the above embodiments, the present embodiment further defines: the peripheral wall of the inner shell 22 abuts against the bottom wall of the outer shell 21, a plurality of through-air holes are formed in one side, close to the bottom wall of the outer shell 21, of the peripheral wall of the inner shell 22, the through-air holes are distributed at intervals along the circumferential direction of the inner shell 22, and the first annular air channel 202 is communicated with the second annular air channel 203 through the through-air holes.

As shown in fig. 8 and 11, this embodiment further defines, in addition to the features of the above-described embodiment: a side of the bottom wall of the outer shell 21 facing the inner shell 22 is formed with a limit projection 213, and a side of the peripheral wall of the inner shell 22 facing the bottom wall of the outer shell 21 is formed with a first limit groove 206 adapted to the limit projection 213. Through the spacing protruding 213 and the first spacing recess 206 structure that form looks adaptation respectively at shell 21 and inner shell 22, first spacing recess 206 can form spacing locate action to spacing protruding 213 for quick alignment when shell 21 is connected with inner shell 22 improves the installation rate, makes its connection more firm simultaneously, thereby makes the installation of internal components such as heating element more stable.

As shown in fig. 11 and 12, this embodiment further defines, in addition to the features of the above-described embodiment: the side of the peripheral wall of the housing 21, which is far away from the second annular air duct 203, is provided with a plurality of buckles 214, the plurality of buckles 214 are distributed at intervals along the circumferential direction of the housing 21, and the side wall of the housing assembly 1, which faces the housing 21, is provided with a clamping groove matched with the buckles 214. Through adopting above-mentioned structure, can make things convenient for the location installation of wind channel subassembly 2, simultaneously through buckle 214 connected mode, can make the installation of wind channel subassembly 2 dismantle convenient and fast more, need not to borrow the instrument, improve assembly efficiency.

As shown in fig. 7, this embodiment further defines, in addition to the features of the above-described embodiment: the end cap 222 is connected to the sidewall of the inner case body 221 through an arc surface. By adopting the cambered surface connection structure, the airflow at the transition part can flow stably, the change degree of the airflow velocity at the transition part is slowed down, and the noise is reduced.

As shown in fig. 7, this embodiment further defines, in addition to the features of the above-described embodiment: the end cover 222 is formed with a boss on a side facing the wind separating chamber 204, and a central axis of the boss overlaps with a central axis of the wind inlet 201. By adopting the above structure, the convex column is opposite to the air flow entering the air duct assembly 2 through the air inlet 201 and makes the air flow split into the first annular channel from different directions, thereby improving the split efficiency and making the air flow uniformly.

As shown in fig. 4, this embodiment further defines, in addition to the features of the above-described embodiment: the heating element 3 includes a support 31 and an electric heating wire 32, the support 31 is arranged on the outer shell 21 and/or the inner shell 22, the support 31 is located in the second annular air duct 203, the support 31 is annular, the support 31 is provided with a second cavity, the second cavity is communicated with the second annular air duct 203, a plurality of limiting plates are formed on one side of the side wall of the support 31, which faces the inner shell 22, of the support 31, the limiting plates are distributed on the side wall of the support 31 at intervals, the number of the electric heating wires 32 is multiple, two adjacent limiting plates are connected through the plurality of electric heating wires 32, and the plurality of electric heating wires 32 are located in the second cavity. Through adopting above-mentioned structure, heating wire 32 can evenly lay in annular support 31 inboard for the air current of each position on the second annular wind channel 203 can fully contact with heating wire 32, promotes heat exchange efficiency.

As shown in fig. 4 and 10, this embodiment further defines, in addition to the features of the above-described embodiment: a plurality of first mounting grooves 209 are formed on one side of the peripheral wall of the inner shell 22 facing the second annular air duct 203, the plurality of first mounting grooves 209 are distributed on the peripheral wall of the inner shell 22 at intervals, and the plurality of first mounting grooves 209 are matched with the plurality of limiting plates. Through adopting above-mentioned structure, can form the installation space and be used for the connection of support 31 with inner shell 22, first mounting groove 209 forms spacing effect to the limiting plate, and the heating element 3 of being convenient for sets up in second annular wind channel 203 steadily, can reduce the possibility that takes place to loosen and take place to take off the damage when it receives the impact, ensures that it can last effective steady operation.

As shown in fig. 4 and 10, this embodiment further defines, in addition to the features of the above-described embodiment: the side of inner shell 22 week wall towards second annular wind channel 203 is formed with wind-guiding muscle 223, and wind-guiding muscle 223 sets up along the axis direction of inner shell 22, and the quantity of wind-guiding muscle 223 is a plurality of, forms first mounting groove 209 between two adjacent wind-guiding muscle 223, and two adjacent wind-guiding muscle 223 are a set of, multiunit wind-guiding muscle 223 interval distribution on the week wall of inner shell 22. Through the setting of wind-guiding muscle 223, the air current can flow to the air outlet 103 of air-out lid 112 more orderly under the guide of wind-guiding muscle 223, and two adjacent wind-guiding muscle 223 can form first mounting groove 209 simultaneously, and the limiting plate on the heating element 3 inserts with the adaptation and establishes in first mounting groove 209, and first mounting groove 209 forms spacing effect to the limiting plate, ensures that the air current in the second annular wind channel 203 can fully contact with heating element 3.

As shown in fig. 2 and 5, this embodiment further defines, in addition to the features of the above-described embodiment: the housing assembly 1 comprises a wind barrel 11 and a handle 12, wherein the wind barrel 11 is provided with a first installation cavity 101, the wind barrel 11 is provided with an air outlet 103, the handle 12 is arranged on the side wall of the wind barrel 11, the handle 12 is provided with an air inlet 102, and the wind channel assembly 2 is arranged on the wind barrel 11. Through adopting above-mentioned structure, set up the dryer 11 structure with air intake 102 on handle 12, for reducing dryer 11 volume and improving bigger design space, set up the risk that air intake 102 also can reduce the hair and be inhaled the hair-dryer on the handle 12 simultaneously.

As shown in fig. 1, 2 and 5, this embodiment further defines, in addition to the features of the above-described embodiment: the dryer 11 includes dryer body 111 and air-out lid 112, and dryer body 111 is equipped with first installation cavity 101, and first installation mouth has been seted up to dryer body 111, and first installation mouth and first installation cavity 101 intercommunication, air-out lid 112 lid are established on first installation mouth, and air-out lid 112 offsets with wind channel subassembly 2, and air-out lid 112 is equipped with air outlet 103, and air outlet 103 sets up with second annular wind channel 203 relatively. By adopting the structure, the air outlet cover 112 is propped against the air duct assembly 2, and the air outlet end of the second annular air duct 203 is tightly connected with the air outlet cover 112, so that the air flow of the second annular air duct 203 is ensured to fully flow out of the air outlet 103 and not leak.

As shown in fig. 1, this embodiment further defines, in addition to the features of the above-described embodiment: the number of the air outlets 103 is multiple, and the air outlets 103 are combined to form an annular air outlet end. Through setting up annular air outlet structure accessible reduction air-out area makes out the wind speed and improves, and the amount of wind is stronger.

As shown in fig. 3, this embodiment further defines, in addition to the features of the above-described embodiment: the inner side wall of the air outlet cover 112 extends from the air outlet 103 to the peripheral wall of the air duct assembly 2, and the vertical distance between the inner side wall and the central axis of the air outlet cover 112 is larger and larger. By adopting the above structure, when the air flow flows through the inner side wall of the air outlet cover 112, the air flow will naturally flow to the air outlet 103 due to the coanda effect, so as to reduce the collision noise.

As shown in fig. 7, this embodiment further defines, in addition to the features of the above-described embodiment: the air outlet cover 112 is provided with a first connecting hole towards one side of the air duct assembly 2, the air duct assembly 2 is provided with a second connecting hole 207, and the second connecting hole 207 is opposite to the first connecting hole. By providing the connecting holes on the air outlet cover 112 and the end cover 222, the air duct assembly 2 and the air outlet cover 112 can be stably assembled in a screw connection mode.

As shown in fig. 5, this embodiment further defines, in addition to the features of the above-described embodiment: the air duct 11 further comprises a rear cover 113, a second mounting opening is formed in one side, far away from the first mounting opening, of the air duct body 111, and the rear cover 113 is arranged on the second mounting opening in a covering mode. By arranging the detachable rear cover 113, convenience can be provided for assembling parts such as the air duct component 2 of the electric hair drier

As shown in fig. 3 and 7, this embodiment further defines, in addition to the features of the above-described embodiment: the side of the inner shell body 221 far away from the air inlet column 211 is provided with a limiting part 224, and the limiting part 224 is matched with the air outlet cover 112. The arrangement of the limiting part 224 can facilitate the positioning and the installation of the end cover 222 and the air outlet cover 112 of the electric hair drier, so that the second annular air duct 203 can be better aligned with the air outlet 103, and the installation efficiency is improved.

As shown in fig. 3 and 7, this embodiment further defines, in addition to the features of the above-described embodiment: a second limiting groove 208 is formed on one side of the limiting part 224 away from the air inlet column 211, and the second limiting groove 208 is matched with the air outlet cover 112.

As shown in fig. 3 and 7, this embodiment further defines, in addition to the features of the above-described embodiment: the side wall of the limiting portion 224 extends from the connection portion of the limiting portion and the inner shell body 221 in a direction away from the inner shell body 221, and the vertical distance between the limiting portion and the central axis of the inner shell body 221 is larger and larger. By adopting the structure, when the air flow flows through the side wall of the limit part 224, the air flow naturally flows to the air outlet 103 of the electric hair drier due to the coanda effect, so that the collision noise is reduced.

As shown in fig. 7, this embodiment further defines, in addition to the features of the above-described embodiment: the stud is provided with a second connection hole 207.

As shown in fig. 2, this embodiment further defines, in addition to the features of the above-described embodiment: still include drive assembly 5, handle 12 includes handle body 121 and air inlet lid 122, and the second installation cavity 104 has been seted up to handle body 121, and drive assembly 5 sets up on handle body 121, and drive assembly 5's at least part is located second installation cavity 104, and air inlet lid 122 lid is established on handle body 121, and air intake 102 has been seted up to air inlet lid 122, and air intake 102, second installation cavity 104, first installation cavity 101, fresh air inlet 201 communicate in proper order. Through adopting above-mentioned structure, with drive assembly 5 setting in second installation cavity 104, on the one hand can make dryer 11 internal component simplify, can further reduce dryer 11 volume, on the other hand air current gets into through air intake 102 and flows through second installation cavity 104 and can take away drive assembly 5's work heat, forms the radiating effect, can make drive assembly 5 work more stable.

As shown in fig. 5, this embodiment further defines, in addition to the features of the above-described embodiment: also included is a filter assembly 6, the filter assembly 6 being disposed on the handle 121 or the air intake cover 122, the filter assembly 6 being located within the second mount.

As shown in fig. 3 and 13, this embodiment further defines, in addition to the features of the above-described embodiment: the motor assembly 4 comprises a motor body 41 and a limiting cover 42, the limiting cover 42 is arranged on the air duct assembly 2, the motor body 41 is arranged on the limiting cover 42, and the motor body 41 is matched with the air inlet 201. By the arrangement of the limit cover 42, the motor body 41 can be stably arranged in the air inlet 201.

As shown in fig. 5 and 12, this embodiment further defines, in addition to the features of the above-described embodiment: the air duct assembly 2 further comprises a negative ion assembly 7, a second mounting groove 2091 is formed on one side of the air duct assembly 2 away from the air outlet 103, and the negative ion assembly 7 is matched with the second mounting groove 2091. The anion assembly 7 can be stably arranged on the air duct assembly 2 in a mounting space through the arrangement of the second mounting groove 2091, so that the internal structure is compact, and the space utilization rate can be effectively improved. Through installing anion subassembly 7, sustained release anion in the use, the positive charge that the neutralization hair carried plays smooth frizzy, the effect of compliance hair.

As shown in fig. 5 and 12, this embodiment further defines, in addition to the features of the above-described embodiment: and further comprises a plasma component 8, a third mounting groove 2092 is formed on one side of the annular housing 21 away from the air outlet end, and the plasma component 8 is matched with the third mounting groove 2092. The plasma component 8 can be stably installed in an installation space on the air duct component 2 through the arrangement of the third installation groove 2092, and air entering the electric hair drier can be further purified through the arrangement of the negative ion component 7.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. An electric hair dryer, comprising:

the device comprises a shell assembly (1), wherein a first installation cavity (101) is formed in the shell assembly (1), an air inlet (102) and an air outlet (103) are formed in the shell assembly (1), and the first installation cavity (101) is respectively communicated with the air inlet (102) and the air outlet (103);

the air duct assembly (2), the air duct assembly (2) is arranged on the shell assembly (1), the air duct assembly (2) is positioned in the first installation cavity (101), an air inlet hole (201) is formed in the air duct assembly (2), the air duct assembly (2) is provided with a first annular air duct (202) and a second annular air duct (203), the air inlet hole (201) is positioned at the inner side of the first annular air duct (202), the second annular air duct (203) is positioned at the outer side of the first annular air duct (202), and the air inlet (102), the first installation cavity (101), the air inlet hole (201), the first annular air duct (202), the second annular air duct (203) and the air outlet (103) are sequentially communicated;

the heating component (3) is arranged on the air duct component (2), and the heating component (3) is positioned in the second annular air duct (203);

the motor assembly (4), motor assembly (4) set up on wind channel subassembly (2), at least part of motor assembly (4) are located in inlet opening (201), motor assembly (4) are in wind channel subassembly (2) internal negative pressure.

2. The hair dryer according to claim 1, wherein the air duct assembly (2) comprises an outer shell (21) and an inner shell (22), the outer shell (21) is provided with a first cavity, the outer shell (21) is provided with an opening, the opening is communicated with the first cavity, an air inlet column (211) is formed on one side of the bottom wall of the outer shell (21) towards the opening, the air inlet column (211) is provided with an air inlet hole (201), at least part of the inner shell (22) penetrates through the opening to extend into the first cavity, the inner shell (22) is sleeved outside the air inlet column (211), an inner wall of the inner shell (22) is enclosed with the air inlet column (211) to form an air separating cavity (204) and a first annular air duct (202), the side wall of the inner shell (22) is enclosed with the side wall of the outer shell (21) to form a second annular air duct (203), and the air inlet hole (201), the air separating cavity (204), the first annular air duct (202) are sequentially communicated with the second annular air duct (203).

3. The hair dryer of claim 2, wherein the hair dryer comprises a hair dryer body,

a plurality of protrusions (212) are formed on one side, facing the bottom wall of the outer shell (21), of the inner shell (22), the protrusions (212) are distributed at intervals along the circumferential direction of the outer shell (21), the protrusions (212) are propped against the circumferential wall of the inner shell (22), an air passing gap (205) is formed between the circumferential wall of the inner shell (22) and the bottom wall of the outer shell (21), and the first annular air channel (202) is communicated with the second annular air channel (203) through the air passing gap (205); and/or

The inner shell (22) comprises an inner shell body (221) and an end cover (222), the inner shell body (221) is a hollow column, the inner shell body (221) is sleeved on the outer side of the air inlet column (211), the end cover (222) is covered on one side, far away from the air inlet column (211), of the inner shell body (221), the end cover (222) and the inner shell body (221) are far away from the circumferential wall of the air inlet column (211) to form the air distribution cavity (204), the circumferential wall of the inner shell body (221) and the circumferential wall of the air inlet column (211) are surrounded to form the first annular air channel (202), and the second annular air channel (203) is formed between the circumferential wall of the inner shell body (221) and the circumferential wall of the outer shell (21).

4. The hair dryer according to claim 2, wherein the heating component (3) comprises a support (31) and heating wires (32), the support (31) is arranged on the outer shell (21) and/or the inner shell (22), the support (31) is located in the second annular air duct (203), the support (31) is annular, the support (31) is provided with a second cavity, the second cavity is communicated with the second annular air duct (203), a plurality of limiting plates are formed on one side of the side wall of the support (31) facing the inner shell (22), the limiting plates are distributed on the side wall of the support (31) at intervals, the number of the heating wires (32) is multiple, two adjacent limiting plates are connected through the heating wires (32), and the heating wires (32) are located in the second cavity.

5. The hair dryer according to claim 4, wherein a plurality of first mounting grooves (209) are formed in the inner housing (22) Zhou Bichao toward one side of the second annular air duct (203), the plurality of first mounting grooves (209) are distributed on the peripheral wall of the inner housing (22) at intervals, and the plurality of first mounting grooves (209) are matched with the plurality of limiting plates.

6. The hair dryer according to claim 1, characterized in that the housing assembly (1) comprises a dryer (11) and a handle (12), the dryer (11) is provided with the first installation cavity (101), the dryer (11) is provided with the air outlet (103), the handle (12) is arranged on the side wall of the dryer (11), the handle (12) is provided with the air inlet (102), and the air duct assembly (2) is arranged on the dryer (11).

7. The hair dryer according to claim 6, wherein the air duct (11) comprises an air duct body (111) and an air outlet cover (112), the air duct body (111) is provided with the first installation cavity (101), the air duct body (111) is provided with a first installation opening, the first installation opening is communicated with the first installation cavity (101), the air outlet cover (112) is covered on the first installation opening, the air outlet cover (112) is propped against the air duct assembly (2), the air outlet cover (112) is provided with the air outlet (103), and the air outlet (103) and the second annular air duct (203) are oppositely arranged.

8. The hair dryer of claim 7, wherein the hair dryer comprises a hair dryer body,

the number of the air outlets (103) is multiple, and the air outlets (103) are combined to form annular air outlet ends; and/or

The inner side wall of the air outlet cover (112) extends from the air outlet (103) to the peripheral wall of the air duct assembly (2), and the vertical distance between the inner side wall of the air outlet cover and the central axis of the air outlet cover (112) is larger and larger; and/or

A first connecting hole is formed in one side, facing the air duct assembly (2), of the air outlet cover (112), a second connecting hole (207) is formed in the air duct assembly (2), and the second connecting hole (207) is opposite to the first connecting hole; and/or

The air duct (11) further comprises a rear cover (113), a second mounting opening is formed in one side, far away from the first mounting opening, of the air duct body (111), and the rear cover (113) is arranged on the second mounting opening in a covering mode.

9. The hair dryer according to claim 6, further comprising a driving assembly (5), wherein the handle (12) comprises a handle body (121) and an air inlet cover (122), a second mounting cavity (104) is formed in the handle body (121), the driving assembly (5) is arranged on the handle body (121), at least part of the driving assembly (5) is located in the second mounting cavity (104), the air inlet cover (122) covers the handle body (121), the air inlet (102) is formed in the air inlet cover (122), and the air inlet (102), the second mounting cavity (104), the first mounting cavity (101) and the air inlet (201) are sequentially communicated.

10. The hair dryer of claim 1, wherein the hair dryer comprises a hair dryer body,

the motor assembly (4) comprises a motor body (41) and a limiting cover (42), the limiting cover (42) is arranged on the air duct assembly (2), the motor body (41) is arranged on the limiting cover (42), and the motor body (41) is matched with the air inlet (201); and/or

The air duct assembly (2) is provided with a second installation groove (2091) at one side far away from the air outlet (103), and the negative ion assembly (7) is matched with the second installation groove (2091); and/or

The plasma device further comprises a plasma component (8), a third mounting groove (2092) is formed in one side, far away from the air outlet end, of the annular shell (21), and the plasma component (8) is matched with the third mounting groove (2092).