CN113812744A

CN113812744A - Portable hair drier

Info

Publication number: CN113812744A
Application number: CN202111196249.0A
Authority: CN
Inventors: 胡小姜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2021-12-21
Anticipated expiration: 2041-10-14
Also published as: CN113812744B

Abstract

The invention belongs to the technical field of hair dryers, in particular to a portable hair dryer, which comprises: the electric heating fan comprises a machine body, wherein a fan blade driven by a motor, a heating wire capable of generating heat, a circuit board for connecting the motor and the heating wire, and a power line extending outwards are arranged in the machine body, the power line is connected with the circuit board, a blowing switch for controlling the motor and a temperature switch for controlling the heating wire are formed on the circuit board, an air outlet and an air inlet are formed in the machine body, and the heating wire is positioned between the air outlet and the fan blade; the handle is connected to the lower end of the machine body and can rotate relative to the machine body; the handle accessible magnetic force adsorbs in the fuselage lower extreme when rotating, is formed with the portion of holding on the handle, is formed with the trunking that is used for bringing into the power cord in the portion of holding. The hair drier can reduce the occupied space of the hair drier when the hair drier is carried about, and is suitable for different use scenes.

Description

Portable hair drier

Technical Field

The invention belongs to the technical field of hair dryers, and relates to a portable hair dryer.

Background

The hair drier is a household appliance which is internally provided with a heating wire and a fan and can blow out cold air and hot air. The existing hair dryer is generally composed of a hair dryer body and a handle, and is in an L shape which is convenient to hold, and the hair dryer is inconvenient for a user to carry about due to the shape structure, so that the usable place of the hair dryer is greatly limited.

For example, CN201921484812.2 discloses a portable household hair dryer with a cord collecting device disposed inside a handle for collecting power cords, which solves the problem of storage of power cords when carrying, but does not improve the shape of the hair dryer which is not portable, so that the convenience of carrying the hair dryer when a user goes out cannot be improved.

In view of the above, a blower having a more portable structure can be devised.

Disclosure of Invention

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a portable hair dryer which can be more conveniently carried around by changing the shape of the hair dryer.

The purpose of the invention is realized as follows:

a portable hair dryer comprising: the electric heating fan comprises a machine body, wherein a fan blade driven by a motor, a heating wire capable of generating heat, a circuit board for connecting the motor and the heating wire, and a power line extending outwards are arranged in the machine body, the power line is connected with the circuit board, a blowing switch for controlling the motor and a temperature switch for controlling the heating wire are formed on the circuit board, an air outlet and an air inlet are formed in the machine body, the heating wire is bent and extended between the air outlet and the fan blade and is limited with a linear air channel, and air flow blown out by the fan blade passes through the air channel along the straight line and leaves from the air outlet; the handle is connected to the lower end of the machine body and can rotate relative to the machine body; the handle accessible magnetic force when rotating adsorbs in the fuselage lower extreme, be formed with the portion of holding on the handle, be formed with in the portion of holding and be used for bringing into the line concentration groove of power cord.

Further, the fuselage includes the casing, and the casing is inlayed to have the thermal-insulated box and the heat dissipation box that are linked together, the heating wire is located in the thermal-insulated box, the fan blade is located in the heat dissipation box, it has the position to inlay on the thermal-insulated box the mica sheet at both ends about the heating wire, the circuit board connect in the rear end of heat dissipation box, and to the casing exposes outward switch and temperature switch blow, be connected with on the casing cover in decorative board on the circuit board.

Furthermore, an arc-shaped wind shield is formed in the heat insulation box, a wind shielding groove for the wind blade to extend into is limited in the heat insulation box by the wind shield, and the wind shield is blocked between the wind blade and the electric heating wire and is limited with a ventilation opening between the wind shield and the inner wall of the heat insulation box.

Furthermore, the front end of the heat insulation box is provided with a mounting frame extending out of the front end of the shell, an air outlet guide piece is connected to the mounting frame, and the air outlet is formed in the air outlet guide piece and is distributed with air deflectors.

Further, both ends all are formed with the installation breach about the casing, be formed with on the heat dissipation box and be distribution from top to bottom to stretch into the intraoral mount pad of installation breach, the side of mount pad forms and presss from both sides the spread groove of the installation breach department of casing.

Furthermore, the air inlet is formed in the mounting seat at the upper end of the heat dissipation box.

Further, the mount pad of heat dissipation box lower extreme is embedded to have the sheetmetal to be connected with the support, the support is embedded to have and is adsorbed in the magnet of sheetmetal, be formed with on the support peg graft in fastener in the mount pad, the handle rotate connect in the support, be formed with the constant head tank on the support, be formed with on the handle and can embed when it rotates the cooperation portion of constant head tank.

Furthermore, a positioning groove is formed in the mounting seat at the lower end of the heat dissipation box, the motor is fixed in the positioning groove, and the fan blade covers the motor and is positioned between the mounting seats at the upper end and the lower end.

Furthermore, anti-skid lugs located on two sides of the line collecting groove are formed on the holding portion of the handle, and anti-skid grooves are formed between the anti-skid lugs.

Furthermore, one end on the handle is formed with the inlet wire breach, the power cord is followed the inlet wire breach extends in the line concentration inslot.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

1. the user accessible twist grip changes its shape when carrying this hair-dryer, the handle can reduce the whole occupation space of carrying the in-process of this hair-dryer after pasting in the fuselage, can make this hair-dryer remain stable portable shape because the absorption of magnetic force between fuselage and the handle, the handle can also effectively be accomodate through the line concentration groove to the power cord on the hair-dryer simultaneously, the convenience when further improving this hair-dryer and hand-carrying, the use scene of this hair-dryer has been enriched.

2. The straight air duct defined by the heating wire in the hair drier can effectively reduce the interference of the heating wire to the circulated air when the air sheet blows outwards, so that the air can be sent out of the air outlet in a straight line, simultaneously, the resonance generated between the air flow and the heating wire in the blowing process of the air sheet is weakened, and the noise generated in the use process of the hair drier is effectively eliminated.

3. This hair-dryer can prevent effectively that this hair-dryer from appearing overheated phenomenon in the use through casing, thermal-insulated box and the cooperation structure of heat dissipation box to carry out stable air-out work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.

Fig. 1 is a first perspective view of the present invention.

Fig. 2 is a second perspective view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a schematic exploded view of the present invention.

Fig. 5 is a perspective view of the insulation box.

Fig. 6 is a perspective view of the heat dissipation box.

Fig. 7 is a perspective view of the stand.

1-a body, 11-a motor, 12-a vane, 13-an electric heating wire, 131-a mica sheet, 14-a circuit board, 141-a blowing switch, 142-a temperature switch, 15-a power line, 16-an air outlet, 17-an air inlet, 2-a handle, 21-a holding part, 22-a line collecting groove, 23-a matching part, 24-an anti-skid bump, 25-an anti-skid groove, 26-a line inlet notch, 3-a shell, 31-a mounting notch, 4-a heat insulation box, 41-a wind screen, 42-a wind screen groove, 43-a ventilation opening, 44-a mounting rack, 5-a heat dissipation box, 51-a mounting seat, 511-a connecting groove, 512-a positioning groove, 52-a metal sheet, 6-a decorative plate and 7-an air outlet guide piece, 71-air deflector, 8-bracket, 81-magnet, 82-fastener, 83-positioning groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The invention will be further described in the following with reference to specific embodiments thereof,

as shown in fig. 1-4, a portable hair dryer includes: the air conditioner comprises a machine body 1, wherein an air flap 12 driven by a motor 11, a heating wire 13 capable of generating heat, a circuit board 14 connected with the motor 11 and the heating wire 13, and a power line 15 extending outwards are arranged in the machine body 1, the power line 15 is connected with the circuit board 14, a blowing switch 141 used for controlling the motor 11 and a temperature switch 142 used for controlling the heating wire 13 are formed on the circuit board 14, an air outlet 16 and an air inlet 17 are arranged on the machine body 1, the heating wire 13 is positioned between the air outlet 16 and the air flap 12 and extends in a bending manner and is limited to form a linear air duct, and air flow blown out by the air flap 12 passes through the air duct along a straight line and leaves from the air outlet; the handle 2 is connected to the lower end of the machine body 1 and can rotate relative to the machine body 1; the handle 2 can be attracted to the lower end of the body 1 through magnetic force when rotating, a holding part 21 is formed on the handle 2, and a line collecting groove 22 for accommodating the power line 15 is formed in the holding part 21. Specifically, the motor 11 drives the fan blade 12 to rotate to realize blowing, the air blown out by the fan blade 12 when rotating is blown out from the air outlet 16 after passing through the heating wire 13, when the temperature switch 142 is turned on, the heating wire 13 generates heat, gaps which are uniformly distributed are formed in the heating wire 13 and can be used for air circulation, the air blown out by the fan blade 12 is converted into hot air after passing through the heating wire and blown out, the motor 11 is controlled by the blowing switch 141, the control of the motor 11 by the blowing switch 141 is divided into two gears, the rotating speeds of the two gears are 8000 rpm and 25000 rpm, respectively, the heating wire 13 can only be heated when the blowing switch 141 is turned on, and the motor 11 works. When carrying, handle 2 through rotate can paste in the lower extreme of fuselage 1 to through setting up 1 lower extreme of fuselage or magnetic force in the handle 2 adsorbs the piece and fixes, simultaneously power cord 15 can twine in handle 2, and by line concentration groove 22 concentrates.

The fan can be carried about and used, and can be connected beside a driver seat in an inserting mode during driving to blow air. The shape of fuselage 1 can be designed for squarely, and the size is equivalent to the smart mobile phone commonly used, the use and the carrying of the more multi-scene of being convenient for.

Compared with the traditional hair drier, the hair drier can prevent noise when being carried and used, and avoids influencing other people. The resistance wire wound in a spiral shape in the traditional hair dryer is easy to block airflow flowing at a high speed when the hair dryer blows out air, and causes resonance of the airflow and the resistance wire, and finally generates huge noise, in the hair dryer of the invention, the electric heating wire 13 is bent and extended and simultaneously defines a uniformly distributed linear air duct, so that the airflow blown out by the air vane piece 12 in the rotating process linearly passes through the electric heating wire 13 and finally leaves from the air outlet 16, and the electric heating wire 13 reduces blocking of the airflow through the linear air duct when the hair dryer blows out, thereby achieving a good noise reduction effect.

As shown in fig. 4-6, the fuselage 1 includes the casing 3, and the casing 3 is embedded to have thermal-insulated box 4 and heat dissipation box 5 that are linked together, the heating wire 13 is located in the thermal-insulated box 4, the fan blade 12 is located in the heat dissipation box 5, it has the mica sheet 131 that is located to inlay on the thermal-insulated box 4 both ends about the heating wire 13, circuit board 14 connect in the rear end of heat dissipation box 5, and to the casing 3 exposes outward switch 141 and temperature switch 142 of blowing, be connected with on the casing 3 cover in decorative board 6 on the circuit board 14. Specifically, casing 3 adopts aluminum alloy material, thermal-insulated box 4 adopts high temperature resistant plastic material with heat dissipation box 5, thermal-insulated box 4 cooperation mica sheet 131 can heating wire 13 during operation is insulating effectively and thermal-insulated, heat dissipation box 5 can assist the heat dissipation, finally plays the problem of preventing the inside and outside overheated of hair-dryer.

Fuselage 1 design is when square and size and smart mobile phone are similar, does not use under the condition of handle 2, the user can be directly right fuselage 1 is held and is used, the insulating thermal-insulated effect of casing 3, thermal-insulated box 4 and heat dissipation box 5 can make holding that the user can be safe fuselage 1 can not because of fuselage 1 is overheated and causes the phenomenon that is difficult to hold.

As a modified example, an arc wind deflector 41 is formed in the heat insulation box 4, the wind deflector 41 defines a wind deflector groove 42 in the heat insulation box 4 for the wind blade 12 to extend into, and the wind deflector 41 is blocked between the wind blade 12 and the heating wire 13 and defines a ventilation opening 43 with the inner wall of the heat insulation box 4. Specifically, when the vane 12 rotates to blow, the heat insulation box 4 concentrates the air blown from the vane 12 to pass through the ventilation opening 43 and then the electric heating wire 13 through the wind shield 41, and the arc wind shield 42 plays a role in guiding the air outlet, so that the air outlet of the hair dryer is concentrated and stably heated by the electric heating wire 13.

As an improved embodiment, a mounting bracket 44 extending from the front end of the casing 1 is formed at the front end of the heat insulation box 4, an air outlet guide 7 is connected to the mounting bracket 44, and the air outlet 16 is formed in the air outlet guide 7 and distributed with air deflectors 71. Specifically, the air outlet guide 7 can control the direction of the air when the hair dryer is blowing air, and the air blown out from the air outlet 16 is uniformly divided and guided by the air guide plate 71.

As a modified example, the upper and lower ends of the housing 3 are both formed with mounting notches 31, the heat dissipation box 5 is formed with mounting seats 51 which are distributed vertically and extend into the mounting notches 31, and the side surfaces of the mounting seats 51 are formed with connecting grooves 511 which clamp the mounting notches 31 of the housing 3. Specifically, the case 3 is fixed to the heat dissipation box 5 by inserting the side wall of the installation notch 31 into the connection groove 511 of the heat dissipation box 5, so that the heat dissipation box 5 is easy to assemble and disassemble.

As a modified embodiment, the air inlet 17 is formed in the mounting seat 51 at the upper end of the heat dissipation box 5. Specifically, when the hair dryer is in operation, the air blades 12 suck in the outside air through the air inlet 17.

As shown in fig. 4 and 7, a metal sheet 52 is embedded in a mounting seat 51 at the lower end of the heat dissipation box 5 and connected to a bracket 8, a magnet 81 attached to the metal sheet 52 is embedded in the bracket 8, a fastener 82 inserted into the mounting seat 51 is formed on the bracket 8, the handle 2 is rotatably connected to the bracket 8, a positioning groove 83 is formed on the bracket 8, and a matching portion 23 capable of being inserted into the positioning groove 83 when the handle 2 rotates is formed on the handle 2. Specifically, the bracket 8 is fixed to the mounting seat 51 at the lower end of the heat dissipation box 5 by the clip 82, and is reinforced by the magnet 81 embedded inside to adsorb the metal sheet 52 in the mounting seat 51, when the hair dryer is carried, the handle 2 is rotated, and the matching part 23 of the handle 2 is embedded into the positioning groove 83 at the lower end of the bracket 8 and is fixed by the adsorption of the magnet 81.

As a modified embodiment, a positioning groove 512 is formed in the mounting seat 51 at the lower end of the heat dissipation box 5, the motor 11 is fixed in the positioning groove 512, and the fan blade 12 covers the motor 11 and is located between the mounting seats 51 at the upper and lower ends. Specifically, the heat dissipation box 5 is installed with the motor 11 through the positioning groove 512, and is connected to the vane 12.

As a modified example, the grip portion 22 of the handle 2 is formed with anti-slip projections 24 on both sides of the line collecting groove 22, and anti-slip grooves 25 are formed between the anti-slip projections 24. Specifically, when the user holds the hair dryer by holding the holding part 22 of the handle 2, the anti-slip protrusions 24 can increase the friction between the hand of the user and the holding part 22, and when the hair dryer is carried, the power cord 15 can be wound on the handle 2 through the anti-slip grooves 25.

As a modified embodiment, an inlet notch 26 is formed at one end of the handle 2, and the power cord 15 extends into the collecting groove 22 along the inlet notch 26. Specifically, when carrying the hair dryer and storing the power cord 15, the power cord 15 will pass through the notch 26 and be received in the trunking 22, so as to reduce the space occupied by the hair dryer when carrying the hair dryer.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A portable hair dryer, comprising:

the electric heating fan comprises a machine body, wherein a fan blade driven by a motor, a heating wire capable of generating heat, a circuit board for connecting the motor and the heating wire, and a power line extending outwards are arranged in the machine body, the power line is connected with the circuit board, a blowing switch for controlling the motor and a temperature switch for controlling the heating wire are formed on the circuit board, an air outlet and an air inlet are formed in the machine body, the heating wire is bent and extended between the air outlet and the fan blade and is limited with a linear air channel, and air flow blown out by the fan blade passes through the air channel along the straight line and leaves from the air outlet;

the handle is connected to the lower end of the machine body and can rotate relative to the machine body;

the handle accessible magnetic force when rotating adsorbs in the fuselage lower extreme, be formed with the portion of holding on the handle, be formed with in the portion of holding and be used for bringing into the line concentration groove of power cord.

2. The portable hair drier of claim 1, wherein the body comprises a casing, a heat insulation box and a heat dissipation box which are communicated with each other are embedded in the casing, the heating wire is located in the heat insulation box, the fan blades are located in the heat dissipation box, mica sheets located at the upper end and the lower end of the heating wire are embedded in the heat insulation box, the circuit board is connected to the rear end of the heat dissipation box, the air blowing switch and the temperature switch are exposed out of the casing, and a decorative plate covering the circuit board is connected to the casing.

3. The portable hair dryer of claim 2, wherein an arc-shaped wind shield is formed in the heat insulation box, a wind shielding groove for the wind blade to extend into is defined in the heat insulation box, and the wind shield is blocked between the wind blade and the heating wire and defines a ventilation opening with the inner wall of the heat insulation box.

4. The portable hair dryer of claim 2, wherein a mounting frame extending from the front end of the housing is formed at the front end of the heat insulation box, an air outlet guide is connected to the mounting frame, and the air outlet is formed in the air outlet guide and is distributed with air deflectors.

5. The portable hair dryer of claim 2, wherein the housing has mounting notches formed at both upper and lower ends thereof, the heat dissipating box has mounting seats formed thereon and extending into the mounting notches, and the mounting seats have side surfaces formed with coupling grooves for clamping the mounting notches of the housing.

6. The portable hair dryer of claim 5, wherein said air inlet is formed in a mounting seat at an upper end of said heat dissipating box.

7. The portable hair dryer of claim 5, wherein a metal plate is embedded in a mounting seat at a lower end of the heat dissipation box, a bracket is connected to the mounting seat, a magnet attached to the metal plate is embedded in the bracket, a fastener inserted into the mounting seat is formed on the bracket, the handle is rotatably connected to the bracket, a positioning groove is formed on the bracket, and a matching portion capable of being inserted into the positioning groove when the handle rotates is formed on the handle.

8. The portable hair dryer of claim 5, wherein a positioning groove is formed in the mounting seat at the lower end of the heat dissipation box, the motor is fixed in the positioning groove, and the fan blade covers the motor and is positioned between the mounting seats at the upper end and the lower end.

9. The portable hair dryer of claim 1, wherein the grip portion of the handle is formed with anti-slip projections on both sides of the collecting groove, and anti-slip grooves are formed between the anti-slip projections.

10. The portable hair dryer of claim 1, wherein an inlet notch is formed at one end of said handle, and said power cord extends into said collection duct along said inlet notch.