CN212630181U - Electric hair drier - Google Patents

Abstract

The utility model provides a hair drier, include: the air conditioner comprises a shell, an air inlet duct and an air outlet duct, wherein the air inlet duct and the air outlet duct are formed in the shell, and an air inlet and an air outlet which are communicated with the air inlet duct are respectively formed in two ends of the shell; the air speed cover is connected to one end, provided with the air outlet, of the shell, an air outlet channel is formed in the air speed cover, the air speed cover is further provided with an airflow inlet and an airflow outlet, the airflow inlet is communicated with the air outlet, and the airflow outlet is an annular air outlet; wherein, the air inlet duct with the air outlet duct is the contained angle setting. The technical scheme of the utility model, can increase the air-out wind speed of hairdryer, do not increase the energy consumption of hairdryer again.

Description

Electric hair drier

Technical Field

The utility model relates to an hairdryer technical field, in particular to hairdryer.

Background

At present, electric hair dryers in the market suck external air flow through a fan in the electric hair dryer, accelerate the air flow and blow the air flow out in a high-speed mode; in order to increase the flow velocity of the air flow, the related art generally increases the rotation speed of the motor of the fan; however, increasing the motor speed causes the hair dryer to consume more energy.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a hairdryer, aim at increasing the air-out wind speed of hairdryer, and do not increase the energy consumption of hairdryer.

In order to achieve the above object, the utility model provides a hair drier, include:

the air conditioner comprises a shell, an air inlet duct and an air outlet duct, wherein the air inlet duct and the air outlet duct are formed in the shell, and an air inlet and an air outlet which are communicated with the air inlet duct are respectively formed in two ends of the shell;

the air speed cover is connected to one end, provided with the air outlet, of the shell, an air outlet channel is formed in the air speed cover, the air speed cover is further provided with an airflow inlet and an airflow outlet, the airflow inlet is communicated with the air outlet, and the airflow outlet is an annular air outlet;

wherein, the air inlet duct with the air outlet duct is the contained angle setting.

Optionally, the wind speed cover and the shell are of an integrated structure;

or the wind speed cover and the shell are of a split structure.

Optionally, the casing includes section of gripping, changeover portion and air inlet section, the changeover portion is located the section of gripping with between the air inlet section, and connect the air inlet section with the section of gripping, the section of gripping the changeover portion and the air inlet section intercommunication forms the air inlet duct, the section of gripping deviates from the one end of changeover portion is seted up the air outlet, the air inlet section has been seted up the air intake.

Optionally, the wind speed cover includes an inner annular wall, an outer annular wall and a bottom wall, the outer annular wall and the inner annular wall are convexly disposed on the same side surface of the bottom wall, the inner annular wall is located inside the outer annular wall, and the inner annular wall and the outer annular wall are disposed at an interval;

the outer ring wall, the inner ring wall and the bottom wall enclose to form the air outlet duct, the outer ring wall is provided with the airflow inlet which is communicated with the air outlet duct and the air outlet, and one end of the outer ring wall, which is far away from the bottom wall, and one end of the inner ring wall, which is far away from the bottom wall, enclose to form the airflow outlet.

Optionally, the inner annular wall gradually gets away from the outer annular wall from the bottom wall along the air outlet direction of the airflow outlet.

Optionally, the bottom wall is disposed obliquely from an end of the outer annular wall facing away from the airflow outlet to the airflow outlet.

Optionally, the electric hair dryer further comprises a speed-adjusting fan cover, the speed-adjusting fan cover is inserted into the airflow outlet and extends to the bottom wall, the speed-adjusting fan cover is arranged around the inner side wall of the outer annular wall and is spaced from the outer annular wall, and the speed-adjusting fan cover is provided with a flow guide opening communicated with the airflow inlet;

and/or the inner side wall of the outer ring wall is provided with a heat insulation layer.

Optionally, the housing includes a housing main body and a bottom cover, the housing main body is a cylindrical structure with two open ends, one end of the housing main body is open to form the air outlet, and the bottom cover is disposed at the other end of the housing main body and is open;

the air inlets are arranged in a plurality, and the air inlets are distributed on the bottom cover and the side wall of one end of the shell main body, which is close to the bottom cover.

Optionally, the bottom cover comprises a bottom plate and a rotating part circumferentially arranged along the bottom plate, the rotating part is rotatably connected with the bottom plate, the bottom plate is fixed to the shell main body, and one side of the rotating part facing the shell main body is lapped on one end face of the shell main body;

the electric hair drier also comprises a switch assembly, wherein the switch assembly comprises a power supply control board, an electronic switch and a switch cap, the power supply control board is arranged in the shell and fixed on the bottom plate, a sliding groove is formed in the power supply control board, the electronic switch is slidably inserted in the sliding groove, and the switch cap is fixedly connected with one end of the electronic switch, which is far away from the power supply control board;

an insertion part is convexly arranged on one side of the bottom plate facing the shell main body, the insertion part is inserted into the shell main body, a guide groove is formed in the insertion part, a limit groove is formed in the switch cap, and the inner edge of the guide groove is clamped in the limit groove so that the switch cap is connected with the bottom plate in a sliding mode;

one end of the switch cap, which is far away from the power control board, is fixed on the rotating part, and the switch cap slides in the guide groove along with the rotation of the rotating part so as to drive the electronic switch to slide in the sliding groove and control the on-off of the electric hair drier.

Optionally, the hair dryer further comprises:

the two ends of the heat insulation cylinder are opened, the outer side wall of the heat insulation cylinder and the inner side wall of the shell are arranged at intervals, one end of the heat insulation cylinder is opened towards the air inlet, the other end of the heat insulation cylinder is opened towards the air outlet, and a heating space is formed in the heat insulation cylinder;

a heating member disposed in the heating space.

According to the technical scheme of the utility model, the electric hair drier is provided with an air speed cover communicated with the air outlet, and an air outlet duct is formed in the air speed cover; the blower in the electric hair drier introduces external airflow into the shell and blows the airflow out of the air outlet of the shell to flow to the air outlet duct; furthermore, the air outlet of the air speed cover, which is communicated with the air outlet duct, is an annular air outlet, so that the area of the air outlet of the electric hair drier can be reduced, the air pressure at the air outlet is increased, and the flow rate of the air flowing through the air outlet is increased. Namely, the technical scheme of the utility model, can increase the air current velocity of flow that the hairdryer blew off through the wind speed cover, need not the motor rotational speed through improving the fan, avoided the energy consumption increase of hairdryer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of an embodiment of the hair dryer of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a cross-sectional view of the hair dryer of fig. 1;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a schematic structural view of the fan, the wire frame and the heat insulation cylinder in FIG. 3;

fig. 6 is a schematic view of the air path of the hair dryer of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Electric hair drier	31	Flow guide port
10	Shell body	32	Stop part
				11	Shell main body	40	Switch assembly
12	Bottom cover	41	Power supply control panel
				121	Rotating part	411	Sliding chute
122	Base plate	42	Switch cap
				1221	Guide groove	421	Clamping bulge
1222	Insertion part	43	Electronic switch
				13	Air outlet	50	Heat insulation cylinder
14	Air inlet	60	Fan structure
				20	Wind speed cover	61	Fan blower
21	Bottom wall	611	Fan blade
				211	Plug-in groove	612	Motor
22	Outer annular wall	62	Fan fixing frame
				23	Inner ring wall	70	Wire frame structure
24	Airflow inlet	71	Wire holder
				25	Air flow outlet	72	Wire rack fixing frame
30	Speed regulation fan cover	80	Power line

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a hairdryer 100.

Referring to fig. 1, in some embodiments of the present invention, the electric hair dryer 100 includes a housing 10 and an air speed cover 20, an air inlet duct is formed in the housing 10, and an air inlet 14 and an air outlet 13 communicating with the air inlet duct are respectively disposed at two ends of the housing 10; the air speed cover 20 is connected to one end of the shell 10, where the air outlet 13 is arranged, an air outlet channel is formed in the air speed cover 20, the air speed cover 20 is further provided with an air inlet 24 and an air outlet 25, the air inlet 24 is communicated with the air outlet 13, and the air outlet 25 is an annular air outlet; wherein, the air inlet duct with the air outlet duct is the contained angle setting.

Specifically, in this embodiment, the housing 10 is a hollow structure, an air inlet duct is formed inside the housing 10, the housing 10 has a length direction, an air inlet 14 and an air outlet 13 are respectively formed at two ends of the housing along the length direction, and both the air inlet 14 and the air outlet 13 are communicated with the air inlet duct; specifically, a fan 61 is arranged in the housing 10, the fan 61 is arranged between the air inlet 14 and the air outlet 13 along the length direction of the housing 10, the fan 61 includes a motor 612 and a plurality of blades 611, an output shaft of the motor 612 extends along the length direction of the housing 10, and the plurality of blades 611 are arranged around the output shaft at intervals in the circumferential direction and are fixedly connected with the output shaft; when the motor 612 of the fan 61 rotates, the output shaft drives the plurality of blades 611 to rotate so as to form a wind pressure in the housing 10, and further drives the airflow to enter the air inlet duct from the air inlet 14, and blows the airflow out from the air outlet 13.

Further, the electric hair dryer 100 further comprises an air speed cover 20, the air speed cover 20 is covered on the air outlet 13, an air outlet duct is formed inside the air speed cover 20, the air inlet duct and the air outlet duct are arranged at an included angle, the air speed cover 20 is further provided with an airflow inlet 24 and an airflow outlet 25 which are communicated with the air outlet duct, and the airflow inlet 24 is communicated with the air outlet 13 of the shell 10, so that airflow blown out from the air outlet 13 enters the air outlet duct along the airflow inlet 24; further, the airflow outlet 25 is an annular air outlet, so that the air outlet area of the airflow outlet 25 is smaller than the air inlet area of the airflow inlet 24, and further the airflow velocity passing through the airflow outlet 25 is increased.

According to the technical scheme of the utility model, the electric hair drier 100 is provided with an air speed cover 20 communicated with the air outlet 13, and an air outlet duct is formed in the air speed cover 20; the blower 61 in the electric hair dryer 100 introduces the external air flow into the housing 10, and then blows the air flow out from the air outlet 13 of the housing 10 to flow to the air outlet duct, further, the air outlet 25 in the air speed cover 20, which is communicated with the air outlet duct, is an annular air outlet, so that the area of the air outlet 25 of the electric hair dryer 100 is reduced, the air pressure at the air outlet 25 is increased, and the flow speed of the air flow passing through the air outlet 25 is increased. That is, the technical scheme of the utility model, the air velocity of the air current that can increase hairdryer 100 through wind speed cover 20 blows off need not the motor 612 rotational speed through improving fan 61, has avoided hairdryer 100's energy consumption to increase.

In some embodiments of the present invention, the wind speed cover and the housing are an integral structure; or the wind speed cover and the shell are of a split structure. Specifically, the wind speed cover 20 and the shell 10 are of an integrated structure, so that the integrated injection molding is facilitated, the processing technology is reduced, and the cost is reduced; of course, the wind speed cover 20 and the housing 10 may also be a split structure, so that the flow speed of the air current blown by the electric hair dryer 100 can be adjusted by replacing the wind speed cover 20 with different sizes, and the use is more convenient.

It should be noted that, when the wind speed cover 20 and the housing 10 are a split structure, the connection manner between the wind speed cover 20 and the housing 10 includes, but is not limited to, a snap connection, a screw connection, or a magnetic attraction manner, and is not limited specifically herein.

Referring to fig. 2, the housing 10 includes a holding section 15, a transition section 16 and an air inlet section 17, the transition section is disposed between the holding section 15 and the air inlet section 17 and is connected to the air inlet section 17 and the holding section 15, the transition section 16 and the air inlet section 17 are communicated to form the air inlet duct, the air outlet 13 is disposed at one end of the holding section 15 away from the transition section 16, and the air inlet 14 is disposed at the air inlet section 17. In the technical scheme of the present invention, the housing 10 has a length direction, and an air inlet 14 and an air outlet 13 are respectively formed at two ends of the length direction; in this embodiment, the housing 10 includes a holding section 15, a transition section 16, and an air inlet section 17 sequentially communicated along a length direction of the housing 10, the holding section 15, the transition section 16, and the air inlet section 17 are communicated to form an air inlet duct, the air outlet 13 is disposed at one end of the holding section 15 away from the transition section 16, and the air inlet 14 is disposed at the air inlet section 17; according to the technical scheme of the embodiment, the shell 10 is arranged in a straight cylinder shape, the holding section 15 is formed on the shell 10, a user can take the electric hair drier 100 by directly holding the holding section 15 without additionally arranging a handle, the size of the electric hair drier 100 is reduced, and the electric hair drier 100 is more portable and convenient to store.

Furthermore, the cross-sectional area of the holding section 15 is smaller than that of the air inlet section 17, so that when a user holds the holding section 15 to take the electric hair drier 100, the electric hair drier 100 is not easy to slide off; and the air duct area of the holding section 15 is smaller than the air duct area of the transition section 16 and the air inlet section 17, so that the air duct air pressure in the holding section 15 is increased, and the flow rate of the air flow flowing through the holding section 15 is improved.

Referring to fig. 3, in some embodiments of the present invention, the wind speed cover 20 includes an inner annular wall 23, an outer annular wall 22 and a bottom wall 21, the outer annular wall 22 and the inner annular wall 23 are protruded from a same side surface of the bottom wall 21, the inner annular wall 23 is located inside the outer annular wall 22, and the inner annular wall 23 and the outer annular wall 22 are spaced apart from each other; the outer annular wall 22, the inner annular wall 23 and the bottom wall 21 enclose to form the air outlet duct, the outer annular wall 22 is provided with the airflow inlet 24 communicating the air outlet duct and the air outlet 13, and one end of the outer annular wall 22 departing from the bottom wall 21 and one end of the inner annular wall 23 departing from the bottom wall 21 enclose to form the airflow outlet 25. Specifically, in this embodiment, the wind speed cover 20 includes an inner annular wall 23 and an outer annular wall 22, a side wall of the outer annular wall 22 is connected to one end of the casing 10 where the air outlet 13 is disposed, the inner annular wall 23 and the outer annular wall 22 are both annular, the outer annular wall 22 is sleeved outside the inner annular wall 23, the outer annular wall 22 and the inner annular wall 23 are disposed at an interval, the wind speed cover 20 further includes a bottom wall 21 for connecting the inner annular wall 23 and the outer annular wall 22, the bottom wall 21 is disposed between the inner annular wall 23 and the outer annular wall 22, the bottom wall 21 is respectively connected to one end of the inner annular wall 23 and one end of the outer annular wall 22 located on the same side, the bottom wall 21, the inner annular wall 23 and the outer annular wall 22 enclose to form the air outlet channel, one end of the inner annular wall 23 facing away from the bottom wall 21 and one end of the outer annular wall 22 facing away from the bottom wall 21 enclose to form, so that the airflow outlet 25 is an annular air outlet; referring further to fig. 2, in this embodiment, the air outlet duct is an annular duct, the airflow enters the air outlet duct from the air outlet 13 of the housing 10, and the airflow flows along the air outlet duct to form a vortex, so that the air pressure in the air outlet duct is increased, the extraction of the airflow in the housing 10 is accelerated, the flow rate of the airflow is increased, and then the airflow is blown out from the airflow outlet 25.

Further, an airflow inlet 24 communicating with the air outlet duct is formed in a side wall of the outer annular wall 22 connected to the housing 10, the airflow inlet 24 faces the air outlet 13 of the housing 10, and airflow directions of the airflow outlet 25 and the airflow inlet 24 are arranged in an angle. Referring to fig. 3, in this embodiment, the airflow blown out from the air outlet 13 enters the annular air duct along the airflow inlet 24, and is blown out from the airflow outlet 25 after being accelerated in the wind speed cover 20, and the airflow direction of the airflow inlet 24 is perpendicular to the airflow direction of the airflow outlet 25, so that the vortexes formed in the air outlet duct all face the same direction when being blown out from the airflow outlet 25, and do not overflow around.

Referring to fig. 3, in some embodiments of the present invention, the inner annular wall 23 gradually moves away from the outer annular wall 22 from the bottom wall 21 along the air outlet direction of the airflow outlet 25. Specifically, in the technical solution of the present invention, the airflow enters the air outlet duct and flows along the air outlet duct to form a vortex, so as to increase the air pressure in the air outlet duct, accelerate the extraction of the airflow in the housing 10, and increase the airflow velocity; in this embodiment, one end of the inner annular wall 23 is connected to one end of the outer annular wall 22 on the same side, and the inner annular wall 23 is gradually separated from the outer annular wall 22 along the air outlet direction of the airflow outlet 25 from the bottom wall 21, so that the inner annular wall 23 is disposed in an inclined manner, and the airflow direction of the airflow inlet 24 and the airflow outlet 25 is disposed at an included angle, so that the airflow blown out from the air outlet 13 directly impacts the inner annular wall 23, and a part of the airflow is turned back in the air outlet direction away from the air outlet 13, which results in an increase of the airflow resistance blown out from the air outlet 13; in the technical solution of this embodiment, the inner annular wall 23 is obliquely disposed, so that a part of the airflow blown out from the air blowing opening flows to the airflow outlet 25 along the inclined plane of the inner annular wall 23, thereby reducing the airflow resistance blown out from the air outlet 13 and increasing the airflow velocity.

In some embodiments of the present invention, the bottom wall 21 is inclined from one end of the outer annular wall 22, which is away from the airflow outlet 25, to the airflow outlet 25. In the technical scheme of the present invention, the air flow is blown out from the air outlet 13 and flows to the air outlet duct, and a vortex is formed in the air outlet duct along the annular air duct; in this embodiment, the bottom wall 21 is arranged obliquely, so that a flow dead angle is prevented from existing in the air outlet duct, and the airflow resistance in the air outlet duct is increased; the bottom wall 21 is obliquely arranged from the outer ring wall 22 to the inner side of the outer ring wall 22, so that the airflow in the air outlet duct can flow along the inclined surface of the bottom wall 21, the airflow wind resistance in the air outlet duct is reduced, and the airflow flow rate is increased.

Referring to fig. 4, in some embodiments of the present invention, the electric hair dryer 100 further includes a speed-adjusting fan cover 30, the speed-adjusting fan cover 30 is inserted into the airflow outlet 25 and extends to the bottom wall 21, the speed-adjusting fan cover 30 is disposed around the inner sidewall of the outer annular wall 22 and spaced from the outer annular wall 22, and the speed-adjusting fan cover 30 is provided with a flow guide opening 31 communicating with the airflow inlet 24; and/or, the inner side wall of the outer ring wall 22 is provided with a heat insulation layer. Specifically, in this embodiment, the air flow flows out along the air outlet 25 of the air speed cover 20, the air speed cover 20 is further connected to a speed-adjusting fan cover 30 at the position of the air outlet 25, the speed-adjusting fan cover 30 is inserted into the air outlet 25 and is disposed around the air outlet 25, one end of the speed-adjusting fan cover 30 inserted into the air outlet 25 extends to the bottom wall 21, the inner wall of the speed-adjusting fan cover 30 and the inner annular wall 23 enclose to form an annular speed-adjusting air duct, the speed-adjusting fan cover 30 is provided with a flow guide opening 31 communicated with the air outlet 25, and the air flow enters the speed-adjusting air duct from the air outlet 25 along the flow guide opening 31 and is blown out, so that the air flow blown out by the hair dryer 100 keeps the same; further, the speed-regulating fan housing 30 and the outer annular wall 22 are spaced from each other, so that heat carried by the airflow is prevented from being transferred to the outer annular wall 22, and a user is prevented from being scalded.

Further, in some embodiments of the present invention, the bottom wall 21 faces one side of the speed regulation air duct to be provided with an insertion groove 211, the speed regulation fan housing 30 is inserted into one end of the wind speed cover 20 and inserted into the insertion groove 211, so that the speed regulation fan housing 30 and the outer annular wall 22 are arranged at intervals.

In some embodiments, the inner sidewall of the outer annular wall 22 is provided with a heat insulation layer (not shown), so as to prevent heat carried by the airflow from being transferred to the outer annular wall 22 and prevent scalding of the user; the thermal insulation layer may be, but not limited to, a porous material, a heat reflective material, and a vacuum material, and may be, but not limited to, asbestos or mica sheets, and the like, and is not particularly limited herein. It should be noted that in the technical solution of this embodiment, the electric hair dryer 100 at least includes one of the speed-adjusting air cover 30 and the heat insulation layer, so as to play a role of heat insulation and prevent scalding a user.

Further, the speed-regulating wind shield 30 further has a stopping portion 32, the stopping portion 32 is convexly disposed on an outer side wall of one end of the speed-regulating wind shield 30, which is exposed from the wind speed cover 20, the stopping portion 32 is circumferentially disposed along the outer side wall of the speed-regulating wind shield 30, and the stopping portion 32 abuts against an end surface of the outer annular wall 22, which is provided with the airflow outlet 25, so as to increase the sealing property between the speed-regulating wind shield 30 and the airflow outlet 25.

Referring to fig. 1, in some embodiments of the present invention, the casing 10 includes a casing main body 11 and a bottom cover 12, the casing main body 11 is a cylindrical structure with two open ends, one end of the casing main body 11 is open to form the air outlet 13, and the bottom cover 12 covers the other end of the casing main body 11; the air inlets 14 are provided with a plurality of air inlets 14, and the plurality of air inlets 14 are distributed on the bottom cover 12 and the side wall of the shell main body 11 near one end of the bottom cover 12. In the technical scheme of the utility model, an air inlet 14 and an air outlet 13 which are communicated with an air channel of the shell 10 are respectively arranged at two ends of the shell 10; in this embodiment, the housing 10 includes a housing main body 11 and a bottom cover 12 connected to each other, the housing main body 11 is a cylindrical structure with two through ends, an opening at one end of the housing main body 11 forms the air outlet 13, and the bottom cover 12 covers the opening at the other end of the housing main body 11; furthermore, the electric hair dryer 100 is provided with a plurality of air inlets 14, and the plurality of air inlets 14 are arranged on the bottom cover 12 and the side wall of the shell main body 11 near one end of the bottom cover 12, so as to increase the air inlet area of the shell 10 and improve the airflow flowing efficiency.

The casing 10 is inside still to be fixed with subassembly such as fan 61 and to drive the air current and flow in casing 10 and follow the air outlet 13 of casing 10 blows off, need to introduce wire rods such as power cord 80 simultaneously and be used for fan 61 provides the electric energy, shell main part 11 with bottom 12 can be dismantled and be connected, just bottom 12 is offered and is used for wearing to establish the through-hole of power cord 80, and the installation of fan 61 is fixed and the wire rod is walked for being convenient for.

Referring to fig. 5, in some embodiments of the present invention, the bottom cover 12 includes a bottom plate 122 and a rotating portion 121 disposed around the circumference of the bottom plate 122, the rotating portion 121 is rotatably connected to the bottom plate 122, the bottom plate 122 is fixed to the shell main body 11, and one side of the rotating portion 121 facing the shell main body 11 is lapped on an end surface of the shell main body 11; the electric hair drier 100 further comprises a switch assembly 40, the switch assembly 40 comprises a power supply control board 41, an electronic switch 43 and a switch cap 42, the power supply control board 41 is arranged inside the casing 10 and fixed on the bottom plate 122, the power supply control board 41 is provided with a sliding groove 411, the electronic switch 43 is slidably inserted in the sliding groove 411, and the switch cap 42 is fixedly connected with one end of the electronic switch 41 departing from the power supply control board 41; an insertion portion 1222 is convexly disposed on a side of the bottom plate 122 facing the case main body 11, the insertion portion 1222 is inserted into the case main body 11, the insertion portion 1222 is formed with a guide groove 1221, the switch cap 42 is formed with a limit groove, and an inner edge of the guide groove 1221 is clamped in the limit groove, so that the switch cap 42 is slidably connected to the bottom plate 122; one end of the switch cap 42, which is away from the power control board 41, is fixed to the rotating part 121, and the switch cap 42 slides in the guiding groove 1221 along with the rotation of the rotating part 121, so as to drive the electronic switch 43 to slide in the sliding groove 411, so as to control the electrical on/off of the electric hair dryer 100. In this embodiment, the bottom plate 122 of the bottom cover 12 is provided with an insertion portion 1222 protruding toward one side plate surface of the case main body 11, the insertion portion 1222 is circumferentially arranged along the circumference of the bottom plate 122, and the insertion portion 1222 is inserted into the case main body 11 to fix the bottom plate 122 to the case main body 11; further, the hair dryer 100 is provided with a switch assembly 40, the switch 40 comprises a power control board 41 and an electronic switch 43 slidably connected with the power control board 41, and the electronic switch 43 slides in a sliding slot 411 of the power control board 41 to control the on-off of the power; the power control board 41 is fixed on the bottom plate 122; the bottom cover 12 further includes a rotating portion 121 disposed around the bottom plate 122 in a circumferential direction, the rotating portion 121 is rotatably connected to the bottom plate 122 and rotates along the circumferential direction of the bottom plate 122, the switch assembly 40 further includes a switch cap 42, the switch cap 42 is connected to an end of the electronic switch 43 away from the power control board 41 and is configured to drive the electronic switch 43 to slide in the sliding slot 411, the switch cap 42 is fixed to the rotating portion 121, and when the rotating portion 121 rotates relative to the bottom plate 122, the switch cap 42 is driven to move so as to drive the electronic switch 43 to slide in the sliding slot 411 of the power control board 41, so as to control the electrical connection and disconnection of the hair dryer 100. In the technical scheme of the embodiment, the switch assembly 40 is accommodated in the housing 10, so that the switch assembly 40 is prevented from being exposed, the hair dryer 100 is prevented from being turned on due to misoperation, and potential safety hazards are avoided; and the switch is accommodated in the housing 10, so that the ornamental value is improved.

In some embodiments, the insertion portion 1222 of the bottom plate 122 is provided with a guide slot 1221, the switch cap 42 is inserted into the guide slot 1221, when the rotating portion 121 rotates relative to the bottom plate 122, the switch cap 42 slides along the guide slot 1221 to drive the electronic switch 43 to slide in the sliding slot 411 to control the electrical on/off of the hair dryer 100, and the guide slot 1221 plays a guiding role to prevent the switch cap 42 from being deviated; further, the switch cap 42 is provided with a limit groove, and the inner edge of the guide groove 1221 is clamped in the limit groove, so as to prevent the switch cap 42 from moving along the radial direction of the shell main body 11; still further, the inner wall of rotation portion 121 is equipped with the joint groove (not shown in the figure), switch cap 42 orientation the one end of rotation portion 121 is equipped with joint arch 421, switch cap 42 pass through joint arch 421 with the joint cooperation in joint groove with rotation portion 121 fixed connection, so that switch cap 42 along with rotation portion 121 rotates together.

In this embodiment, the connection between the bottom cover 12 and the housing body 11 may be a snap connection, a magnetic attraction, or an adhesion, and is not limited in this respect.

Referring to fig. 1, in some embodiments of the present invention, the electric hair dryer 100 further includes a heat insulation cylinder 50 and a heating element, two ends of the heat insulation cylinder 50 are open, an outer side wall of the heat insulation cylinder 50 is spaced from an inner side wall of the housing 10, one end of the heat insulation cylinder 50 is open to the air inlet 14, the other end of the heat insulation cylinder 50 is open to the air outlet 13, and a heating space is formed in the heat insulation cylinder 50; the heating member is provided in the heating space. In the electric hair dryer 100 of the embodiment, in addition to accelerating the air flow to form high-speed air, a heating element is further provided, and the heating element is located in the air inlet duct and heats the air flow flowing through the air inlet duct to form hot air to be blown out, so that the air drying efficiency is improved; further, in the technical solution of the present embodiment, a heat insulation cylinder 50 is further provided, the heat insulation cylinder 50 has a cylindrical structure with two through ends, one end of the heat insulation cylinder 50 opens toward the air outlet 13 of the housing 10, the other end of the heat insulation cylinder 50 opens toward the air inlet 14, after entering the housing 10 through the air inlet 14, the airflow flows through the inside of the heat insulation cylinder 50, flows toward the air outlet 13, and is blown out from the air outlet 13; the heating element is arranged on the inner side of the heat insulation cylinder 50 to heat the air flow to form hot air, the heat insulation cylinder 50 is used for isolating the heat of the hot air, and the heat insulation cylinder 50 and the inner side wall of the shell 10 are arranged at intervals to prevent the heat insulation cylinder 50 from being directly contacted with the shell 10 to transfer the heat to the shell 10, so that the heat is prevented from being transferred to the outside along the side wall of the shell 10 to cause heat loss and waste of resources; while preventing heat from being conducted to the housing 10, resulting in scalding of the user.

With further reference to fig. 6, in some embodiments, the hair dryer 100 further includes a wire frame 71, the wire frame 71 is fixed inside the heat insulation barrel 50, and the heat generating component is fixed on the wire frame 71. Specifically, the hair dryer 100 includes a wire frame structure 70, the wire frame structure 70 includes a wire frame 71 and a wire frame fixing frame 72, the wire frame fixing frame 72 is fixed to an opening at one end of the heat insulation cylinder 50 and is arranged around the opening of the heat insulation cylinder 50, a wire frame fixing groove is formed in an inner edge of the wire frame fixing frame 72, and the wire frame 71 is inserted into the wire frame fixing groove to be fixed inside the heat insulation cylinder 50. The heating element is fixed to the wire frame 71, and in some embodiments, the heating element is a heating wire wound around the wire frame 71.

In some embodiments, a fan structure 60 is disposed in the hair dryer 100, the fan structure 60 includes a fan fixing frame 62 and a fan 61, and the fan 61 is fixed in the heat insulation barrel 50 through the fan fixing frame 62, so that the fan 61 generates wind pressure in the heat insulation barrel 50 to make an air flow pass through the inside of the heat insulation barrel 50, and further the heat generating element heats the air flow.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. A hair dryer, characterized in that, includes:

the air conditioner comprises a shell, an air inlet duct and an air outlet duct, wherein the air inlet duct and the air outlet duct are formed in the shell, and an air inlet and an air outlet which are communicated with the air inlet duct are respectively formed in two ends of the shell;

the air speed cover is connected to one end, provided with the air outlet, of the shell, an air outlet channel is formed in the air speed cover, the air speed cover is further provided with an airflow inlet and an airflow outlet, the airflow inlet is communicated with the air outlet, and the airflow outlet is an annular air outlet;

wherein, the air inlet duct with the air outlet duct is the contained angle setting.

2. The hair dryer of claim 1, characterized in that said wind speed cover and said casing are of a unitary structure;

or the wind speed cover and the shell are of a split structure.

3. The hair dryer of claim 1, wherein the housing comprises a holding section, a transition section and an air inlet section, the transition section is arranged between the holding section and the air inlet section and is connected with the air inlet section and the holding section, the transition section and the air inlet section are communicated to form the air inlet duct, the end of the holding section, which is away from the transition section, is provided with the air outlet, and the air inlet section is provided with the air inlet.

4. The hair dryer of claim 1, wherein the wind speed cover comprises an inner annular wall, an outer annular wall and a bottom wall, the outer annular wall and the inner annular wall are convexly arranged on the same side surface of the bottom wall, the inner annular wall is positioned inside the outer annular wall, and the inner annular wall and the outer annular wall are arranged at intervals;

the outer ring wall, the inner ring wall and the bottom wall enclose to form the air outlet duct, the outer ring wall is provided with the airflow inlet which is communicated with the air outlet duct and the air outlet, and one end of the outer ring wall, which is far away from the bottom wall, and one end of the inner ring wall, which is far away from the bottom wall, enclose to form the airflow outlet.

5. The hair dryer of claim 4 wherein said inner annular wall is gradually spaced from said outer annular wall from said bottom wall in the direction of the air exiting from said air outlet.

6. An electric hair dryer according to claim 4 wherein said bottom wall is inclined to said air outlet from an end of said outer annular wall facing away from said air outlet.

7. The hair dryer of claim 4 further comprising a speed-adjustable air cover, said speed-adjustable air cover being inserted into said air outlet and extending to said bottom wall, said speed-adjustable air cover being circumferentially disposed along an inner sidewall of said outer annular wall and spaced from said outer annular wall, said speed-adjustable air cover being provided with a flow guide opening communicating with said air inlet;

and/or the inner side wall of the outer ring wall is provided with a heat insulation layer.

8. The hair dryer of claim 1, wherein the housing comprises a housing main body and a bottom cover, the housing main body is a cylindrical structure with two open ends, one end of the housing main body is open to form the air outlet, and the bottom cover is arranged at the other end of the housing main body and is open;

the air inlets are arranged in a plurality, and the air inlets are distributed on the bottom cover and the side wall of one end of the shell main body, which is close to the bottom cover.

9. The hair dryer of claim 8, wherein said bottom cover includes a bottom plate and a rotating portion circumferentially disposed along said bottom plate, said rotating portion being rotatably connected to said bottom plate, said bottom plate being fixed to said housing main body, said rotating portion being engaged with an end surface of said housing main body at a side thereof facing said housing main body;

the electric hair drier also comprises a switch assembly, wherein the switch assembly comprises a power supply control board, an electronic switch and a switch cap, the power supply control board is arranged in the shell and fixed on the bottom plate, a sliding groove is formed in the power supply control board, the electronic switch is slidably inserted in the sliding groove, and the switch cap is fixedly connected with one end of the electronic switch, which is far away from the power supply control board;

an insertion part is convexly arranged on one side of the bottom plate facing the shell main body, the insertion part is inserted into the shell main body, a guide groove is formed in the insertion part, a limit groove is formed in the switch cap, and the inner edge of the guide groove is clamped in the limit groove so that the switch cap is connected with the bottom plate in a sliding mode;

one end of the switch cap, which is far away from the power control board, is fixed on the rotating part, and the switch cap slides in the guide groove along with the rotation of the rotating part to drive the electronic switch to slide in the sliding groove so as to control the on-off of the electric hair drier.

10. A hair dryer according to claim 1, characterized in that it further comprises:

the two ends of the heat insulation cylinder are opened, the outer side wall of the heat insulation cylinder and the inner side wall of the shell are arranged at intervals, one end of the heat insulation cylinder is opened towards the air inlet, the other end of the heat insulation cylinder is opened towards the air outlet, and a heating space is formed in the heat insulation cylinder;

a heating member disposed in the heating space.

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