CN112754131A

CN112754131A - Electric hair drier

Info

Publication number: CN112754131A
Application number: CN202110259412.7A
Authority: CN
Inventors: 杨昌良; 曾祥贻; 卢淑
Original assignee: Shenzhen Point Technology Co ltd
Current assignee: Shenzhen Point Technology Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-05-07

Abstract

The invention discloses an electric hair drier which is internally provided with a heating wire (4) and a motor (5), wherein an air outlet (6) and an air inlet hole (10) are formed in a shell, the motor (5) sucks air into the electric hair drier from the air inlet hole (10) and finally blows the air out of the air outlet (6), an air guide device (3) is further arranged in the electric hair drier, and the air flows through the air guide device (3) so that the air outlet direction of the air outlet (6) forms a certain angle with the air direction in the electric hair drier. After the scheme is adopted, the air guide device can reduce the loss of air quantity and air pressure to the maximum extent when the air direction needs to be changed; meanwhile, the extra noise generated when the wind direction changes can be reduced; but also can effectively reduce the surface temperature of the product.

Description

Electric hair drier

Technical Field

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

Background

The whole shape of the traditional hair drier is generally similar to a figure 7 shape or a letter T shape; by the body with handle two parts constitution, and body one end becomes certain angle with handle one end and is connected, perhaps handle and the perpendicular fixed connection in body middle part, above-mentioned two kinds of modes, these structures make whole hairdryer volume great, cause to carry inconveniently. If can unite two parts into one, then can reduce the volume of hairdryer greatly, promote user experience.

Because the air inlet 1513 and the air outlet 1514 of the traditional hair dryer are usually located at both ends of the body, so that the hair dryer is located on the same axis (as shown in fig. 1), the air direction does not need to be changed, and the air volume hardly has attenuation and loss, so that the air duct structure of the traditional hair dryer does not need to be designed with a special structure and is usually a regular cylindrical structure.

If the body and the handle are combined into a whole in order to reduce the volume of the hair dryer, how to design the air duct structure, the air volume and the air pressure loss are reduced to the maximum when the air inlet and the air outlet are not in the same direction, and the correction of the air outlet direction and the maximum reduction of the air noise become new problems.

Disclosure of Invention

The invention aims to solve the technical problem of providing a hair drier with an air guide device.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a hair drier is characterized in that a heating wire (4) and a motor (5) are arranged inside the hair drier, an air outlet (6) and an air inlet hole (10) are formed in a shell, the motor (5) sucks air into the hair drier from the air inlet hole (10), and finally the air is blown out from the air outlet (6), an air guide device (3) is further arranged inside the hair drier, and the air flows through the air guide device (3), so that the air outlet direction of the air outlet (6) forms a certain angle with the air direction in the hair drier.

Preferably, the electric hair drier has a cylindrical structure.

Preferably, the air guide device is of an irregular cylindrical structure, one end of the air guide device close to the air outlet (6) is gradually reduced, and the other end of the air guide device is gradually opened to be close to the inner wall of the electric hair drier.

Preferably, the air guide device is internally provided with an air guide sheet (301), the front surface of the air guide sheet is in a transverse straight shape, the air guide sheet is longitudinally distributed, and the cross section of the air guide sheet is in an L shape.

Preferably, one end of the air guide sheet (301) is located at the air outlet (303), the other end of the air guide sheet is located at the heating wire (308), and a certain included angle is formed between the air outlet and the heating wire, so that the original direction of the air is changed after the air passes through the air guide device.

Preferably, the corners of the air guide sheet (301) are processed into arc shapes by setting R angles.

Preferably, a through hole (304) is formed in the side face of the cylindrical structure of the air guide device, so that the outside of the air guide device is connected with the inside of the air guide device.

Preferably, an anion device is arranged, penetrates through the through hole (304), and is finally arranged below the wind guide plate.

Preferably, the outer side of the air guide device is provided with a fixed glue position, and the middle of the fixed glue position is provided with a groove.

Preferably, the negative ion connecting line is disposed in the middle slot.

After the scheme is adopted, the air guide device can reduce the loss of air quantity and air pressure to the maximum extent when the air direction needs to be changed; meanwhile, the extra noise generated when the wind direction changes can be reduced; but also can effectively reduce the surface temperature of the product.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The present invention will be described in detail below with reference to the accompanying drawings so that the above advantages of the present invention will be more apparent. Wherein the content of the first and second substances,

FIG. 1 is a schematic view showing the direction of an air inlet and an air outlet of a conventional hair dryer;

FIG. 2 is a schematic view of the wind direction of the air-blowing wand of the present invention;

fig. 3 is an exploded view showing the overall structure of a blowing rod according to an embodiment of the present invention;

fig. 4 is a perspective view of an air guiding device according to an embodiment of the present invention;

fig. 5 is an exploded view of an air guiding device according to an embodiment of the present invention;

fig. 6 is a schematic view of a flow guiding structure according to another embodiment of the present invention.

The specific reference numbers in the figures are as follows:

1. cylindrical structure 2, tail cover 3, air ducting 4, heater 5, motor 6, air outlet 7, tuyere 8, button 9, PCB board 10, air inlet net 11, power

301. Air guide sheet 304, through holes 306, fixing glue positions 307 and wire passing grooves

1511. Body 1512, handle, 1513, air outlet 1514, air inlet

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

The technical scheme of the invention is further explained in the following by combining the attached drawings.

Specifically, the electric hair drier is provided with a heating wire (4) and a motor (5) inside, an air outlet (6) and an air inlet hole (10) are formed in a shell, the motor (5) sucks air into the electric hair drier from the air inlet hole (10) and finally blows the air out of the air outlet (6), an air guide device (3) is further arranged inside the electric hair drier, and the air flows through the air guide device (3), so that the air outlet direction of the air outlet (6) forms a certain angle with the air direction in the electric hair drier.

Preferably, the electric hair drier has a cylindrical structure.

Preferably, the negative ion connecting line is disposed in the middle slot.

In one embodiment, the electric hair drier has a cylindrical structure 1, and the internal elements of the electric hair drier at least comprise a power line 11, a motor 5, a circuit board 9, a heating wire 4, a key 8, a shell 1, a wind nozzle 7 and the like; the cylindrical structure 1 is provided with an air outlet 6 and an air inlet 10, the motor 5 sucks air into the air blowing rod from the air inlet 10 and finally blows out the air from the air outlet 6, the air guide device 3 is arranged in the air blowing rod, one end of the air guide device faces the air outlet 6, the other end of the air guide device is close to the heating wire 4 and faces the cylindrical internal air duct, air flows through the air guide device 3, so that the air direction of the air discharged from the air outlet 6 and the air direction in the air blowing rod form a certain angle (typically 90 degrees), as shown in fig. 2, and the dotted line tip in the figure represents the air direction and the air direction in the air blowing rod.

Wherein, air ducting 3 be irregular tubular structure, air ducting reduce gradually (as figure 4) in the one end that is close to the air outlet, other end D opens gradually to being close columnar structure's inner wall (as figure four), can reduce the loss of amount of wind pressure, also can effectively reduce hairdryer surface temperature simultaneously.

The material of the cylindrical structure of the air guide device 3 is PA66+ GF, wherein the mass percent of the GF is 10-40%.

The air guide device is characterized in that an air guide sheet 301 is further arranged inside the tubular structure of the air guide device, the front surface of the air guide sheet 301 is in a horizontal straight shape, the air guide sheet is longitudinally and uniformly distributed at the air outlet, the section is in an L shape, one end of the air guide sheet is located at the air outlet 303, the other end of the air guide sheet is located at the heating wire 308, and a certain included angle is formed between the air outlet and the heating wire, so that the original direction of air is changed after the air passes through the.

And an R angle is arranged at the corner of the air guide sheet of the air guide device for treatment, so that the loss of air speed and air volume is further reduced, and the wind resistance is reduced.

A through hole 304 is formed in the side face of the cylindrical structure of the air guide device, so that the outside of the air guide device is connected with the inside of the air guide device, and the negative ion device is implanted into the air guide device.

Wherein. The outer side of the cylindrical structure of the air guide device is provided with a fixed glue position 306, so that the air guide device can be fixed on the handle, the middle of the fixed glue position is provided with a wire passing groove 307, and the anion connecting wire is embedded into the wire passing groove.

The invention has the advantages and effects that: the air guide device can reduce the loss of air quantity and air pressure to the maximum extent when the air direction needs to be changed; meanwhile, the extra noise generated when the wind direction changes can be reduced; but also can effectively reduce the surface temperature of the product; the air guide sheet is added in the air conditioner, so that the air outlet direction can be further corrected, and the noise is reduced; is beneficial to providing a simple and portable hair drying and nursing tool with breakthrough appearance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The electric hair drier is characterized in that a heating wire (4) and a motor (5) are arranged inside the electric hair drier, an air outlet (6) and an air inlet hole (10) are formed in a shell, the motor (5) sucks air into the electric hair drier from the air inlet hole (10) and finally blows the air out of the air outlet (6), an air guide device (3) is further arranged inside the electric hair drier, the air flows through the air guide device (3), and the air outlet direction of the air outlet (6) and the air direction inside the electric hair drier form a certain angle.

2. The hair dryer of claim 1, wherein said hair dryer is of cylindrical configuration.

3. The hair dryer according to claim 1 or 2, characterized in that the air guide device is of an irregular cylindrical structure, and the air guide device is gradually reduced at one end close to the air outlet (6), and the other end is gradually opened to be close to the inner wall of the hair dryer.

4. The electric hair drier according to claim 1 or 2, characterized in that a wind guide plate (301) is arranged in the wind guide device, the front surface of the wind guide plate is in a horizontal I shape, the wind guide plate is longitudinally distributed, and the cross section of the wind guide plate is in an L shape.

5. The hair dryer according to claim 4, characterized in that one end of the air guiding plate (301) is located at the air outlet (303), the other end is located at the heating wire (308), and the air outlet and the heating wire form a certain included angle, so that the wind changes its original direction after passing through the air guiding device.

6. The hair dryer according to claim 4, characterized in that the corners of the air guiding sheet (301) are treated to be arc-shaped by setting R angle.

7. A hair dryer according to claim 3, characterized in that the side of the tubular structure of the air guide is provided with a through hole (304) for connecting the outside of the air guide with the inside.

8. Hair dryer according to claim 7, characterized in that it is provided with an anion device which passes through said through hole (304) and is finally arranged under the air deflector.

9. The hair dryer of claim 8, wherein the outside of the air guide device is provided with a fixing glue position, and the middle of the fixing glue position is provided with a groove.

10. A hair dryer according to claim 9, characterized in that the anion connecting wire is arranged in the middle slot.