Hair drier

Abstract

The invention relates to the technical field of hair driers, and particularly discloses a hair dryer which is characterized in that a front air inlet area and a side air inlet area are respectively arranged on a rear cover at an air inlet end, so that when the hair dryer is used, airflow can respectively enter an air duct from the front air inlet area and the side air inlet area; according to the air blower, the inner shell assembly and the outer shell assembly are arranged, so that the situation that airflow flows from the same area at the same time, consequently, the airflow collides at the moment of entering, and wind noise is generated is avoided, and then noise generated when the air blower is used is reduced; in this way, after air flow enters from the air inlet end, the pressurizing barrel can gather and pressurize the air flow, so that the air speed of the air flow blown out when the hair drier is used can be greatly increased, and the use experience feeling is enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of hair dryers, and in particular to a hair dryer. Background Art

[0002] A hair dryer is a household appliance mainly used for drying and shaping hair. Some of them are also used in laboratories, physiotherapy rooms, industrial production, art, etc. for local drying, heating and physiotherapy. The hair dryer is driven by an electric motor to drive the rotor to rotate the fan blades, blowing out hot and cold air to achieve the purpose of drying and shaping.

[0003] The experience of using a hair dryer generally comes from various factors such as the wind speed and the noise generated. However, current hair dryers often ignore these two factors during production, which affects the user experience.

[0004] The technical problem to be solved by this application is to design a hair dryer that can increase wind speed and reduce noise. Summary of the invention

[0005] In order to overcome the deficiencies of the prior art, an object of the present invention is to provide a hair dryer capable of increasing wind speed and reducing noise.

[0006] The technical solution adopted by the present invention is: a hair dryer, including a handle and a wind tube, the wind tube includes an air inlet end and an air outlet end, the wind tube includes an outer shell assembly and an inner shell assembly, the outer shell assembly includes a rear cover located at the air inlet end, the rear cover is respectively provided with a front air inlet area and a side air inlet area for avoiding air flow collision and thus reducing wind noise, the inner shell assembly includes a booster cylinder, the booster cylinder is horn-shaped and is used to pressurize the air flow and increase the wind speed.

[0007] In some embodiments, the front air inlet area includes a plurality of first strip-shaped air inlets disposed at the bottom of the rear cover, and the side air inlet area includes a plurality of second strip-shaped air inlets disposed at the side of the rear cover.

[0008] In some embodiments, a first filter screen for dust prevention is provided in the back cover, a plurality of first connecting columns are provided at the bottom of the back cover, a plurality of first connecting holes are provided on the first filter screen corresponding to the first connecting columns, and the first connecting columns and the first connecting holes are limitedly matched.

[0009] In some embodiments, a second filter screen for dust prevention is provided at the end of the boost cylinder close to the rear cover, a plurality of second connecting columns are provided on the boost cylinder, a plurality of second connecting holes are provided on the second filter screen corresponding to the second connecting columns, and the second connecting columns and the second connecting holes are limitedly matched.

[0010] In some embodiments, a limiting column is provided at the inner bottom of the rear cover, and a limiting slot is provided at the boost cylinder corresponding to the limiting column, and the limiting column and the limiting slot are engaged with each other.

[0011] In some embodiments, the booster cylinder includes an air gathering end and an air supply end, the air supply end is in a bell-mouth shape, and the diameter of the air gathering end is smaller than the caliber of the air supply end.

[0012] In some embodiments, a brushless motor is provided in the boost cylinder, and a heating component for controlling hot and cold air is also provided at the air supply end of the boost cylinder, and the heating component includes a plurality of mica sheets distributed in a fan shape.

[0013] In some embodiments, the inner shell assembly further includes mica paper located at the air supply end of the boost cylinder, the mica paper is cylindrical, and the heating assembly is located inside the mica paper.

[0014] In some embodiments, the inner shell assembly also includes an inner liner for heat insulation located at the air supply end of the booster cylinder, mica paper is arranged inside the inner liner, the outer shell assembly includes a front air ring located at one end of the inner liner, the outer shell assembly also includes a cylinder body located between the front air ring and the rear cover, the handle is connected to the cylinder body, and a circuit control board is arranged in the handle.

[0015] In some embodiments, the air outlet end of the air duct is further provided with an adapter, and a positioning slot for connecting functional accessories is provided in the adapter.

[0016] The present invention has the following technical effects: by respectively providing a front air inlet area and a side air inlet area on the rear cover of the air inlet end, when the hair dryer is in use, the airflow can enter the air duct from the front air inlet area and the side air inlet area respectively, thereby avoiding the airflow flowing from the same area at the same time, which would cause the airflow to collide at the moment of entering and generate wind noise, thereby reducing the noise generated by the hair dryer when in use, and a booster cylinder is also provided in the inner shell assembly, wherein the booster cylinder is shaped like a trumpet, so that after the airflow enters from the air inlet end, the booster cylinder can converge and pressurize the airflow, thereby greatly improving the wind speed of the airflow blown out by the hair dryer when in use, thereby enhancing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a hair dryer in Embodiment 1 of the present invention;

[0018] Figure 2 This is a schematic diagram of the internal structure of the hair dryer in Example 1 of the present invention;

[0019] Figure 3 This is a schematic diagram of the disassembled structure of the hair dryer in Example 1 of the present invention;

[0020] Figure 4 This is a schematic diagram of the rear cover structure of the hair dryer in Example 1 of the present invention;

[0021] Figure 5 It is a schematic diagram of the structure between the booster cylinder and the rear cover of the hair dryer in Example 1 of the present invention;

[0022] Figure 6 This is a schematic diagram of the booster cylinder structure of the hair dryer in Example 1 of the present invention;

[0023] Figure 7 Schematic diagram of the structure of the hair dryer in Example 2 of the present invention.

[0024] The numbers and names in the figure correspond to each other as follows: 1. handle; 2. air cylinder; 3. air inlet end; 4. air outlet end; 5. outer shell assembly; 6. inner shell assembly; 50. back cover; 51. front air inlet area; 52. side air inlet area; 60. booster cylinder; 510. first strip air inlet; 520. second strip air inlet; 53. first filter; 54. first connecting column; 530. first connecting hole; 55. second filter; 601. second connecting column; 550. second connecting hole; 56. limiting column; 602. limiting slot; 61. air gathering end; 62. air supply end; 63. brushless motor; 64. mica sheet; 65. mica paper; 66. liner; 57. front air ring; 58. cylinder body; 7. adapter; 70. slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example 1, please refer to Figure 1-6 The present invention provides a technical solution: a hair dryer, comprising a handle 1 and a wind tube 2, the wind tube 2 comprising an air inlet end 3 and an air outlet end 4, the wind tube 2 comprising an outer shell assembly 5 and an inner shell assembly 6, the outer shell assembly 5 comprising a barrel 58 and a rear cover 50 located at the air inlet end 3, and the rear cover 50 is respectively provided with a front air inlet area 51 and a side air inlet area 52 for avoiding air flow collision and thus reducing wind noise, so that when the hair dryer is started, the air flow can enter the wind tube 2 from the front air inlet area 51 and the side air inlet area 52 respectively, thereby avoiding The airflows enter from the same air inlet area at the same time and collide to generate wind noise, thereby reducing the noise generated by the hair dryer when in use and improving the comfort of use. The inner shell assembly 6 also includes a booster cylinder 60 connected to the rear cover 50, wherein the booster cylinder 60 is a bell-mouthed setting, so that when the airflow entering from the air inlet end 3 flows through the booster cylinder 60, the booster cylinder 60 can converge the airflow to play a role of boosting, so that the speed of the airflow when flowing out of the booster cylinder 60 can be accelerated, thereby increasing the wind speed of the hair dryer when in use.

[0027] The front air inlet area 51 includes a plurality of first strip air inlets 510 arranged at the bottom of the rear cover 50, and the side air inlet area 52 includes a plurality of second strip air inlets 520 arranged at the side of the rear cover 50. By arranging the air inlets of the front air inlet area 51 and the side air inlet area 52 in a long strip shape, the airflow is less likely to be scattered when entering through the strip air inlets compared to a circular arrangement, and the strip air inlets are also arranged in layers, so that the airflow is also distributed in layers when entering through the air inlets, thereby avoiding collision between the airflows and generating wind noise.

[0028] A first filter 53 for dust prevention is also provided in the rear cover 50, a plurality of first connecting posts 54 are provided at the bottom of the rear cover 50, a plurality of first connecting holes 530 are provided on the first filter 53 corresponding to the first connecting posts 54, and the first connecting posts 54 and the first connecting holes 530 are limitedly matched so that the first filter 53 is installed inside the rear cover 50, and a second filter 55 is also provided at the end of the boost cylinder 60 close to the rear cover 50, a plurality of second connecting posts 601 are provided on the boost cylinder 60, and a plurality of first connecting holes 530 are provided on the second filter 55 corresponding to the second connecting posts 601. The second connecting hole 550 and the second connecting column 601 are limitedly cooperated with each other with the second connecting hole 550 so that the second filter 55 can be installed on the boost cylinder 60. A limiting column 56 is also provided at the bottom of the rear cover 50. The boost cylinder 60 is provided with a limiting groove 602 corresponding to the limiting column 56. The limiting column 56 and the limiting groove 602 are fixedly cooperated with each other so that the rear cover 50 and the boost cylinder 60 are connected. In addition, by providing the first filter 53 and the second filter 55, it can prevent the hair or other debris from being sucked into the hair dryer during use, thereby causing a burnt smell.

[0029] The boost cylinder 60 includes an air gathering end 61 and an air supply end 62, wherein the air supply end 62 is in the shape of a trumpet, and the air gathering end 61 is a straight cylinder, and the diameter of the air gathering end 61 is smaller than the diameter of the air supply end 62. Therefore, after the air flow is sucked in from the rear cover 50, it first flows through the air gathering end 61 of the boost cylinder 60 to be gathered and pressurized, thereby increasing the wind speed.

[0030] A brushless motor 63 is provided in the boost cylinder 60. The use of the brushless motor 63 can further increase the wind speed. The air supply end 62 of the boost cylinder 60 is also provided with a heating component for controlling hot and cold air. The heating component includes a plurality of mica sheets 64 distributed in a fan shape. By distributing the mica sheets 64 in a fan shape, the heating area can be increased and the heating effect can be improved. The inner shell component 6 also includes a mica paper 65 located at the air supply end 62 of the boost cylinder 60. The mica paper 65 is cylindrical, wherein the heating component is located in the mica paper 65. The mica paper 65 can be provided to insulate and prevent scalding when the hair dryer is in use. The inner shell component 6 also includes an inner liner 66 for heat insulation located at the air supply end 62 of the boost cylinder 60. The mother paper 65 is arranged inside the inner liner 66. By providing the inner liner 66, it can also be further insulated to prevent the barrel 58 from getting hot during use. The inner liner 66 is connected to the air supply end 62, which can also ensure smooth air supply and gather the blown airflow, thereby further increasing the wind speed. The outer shell assembly 5 also includes a front wind circle 57 located at one end of the inner liner 66, wherein the barrel 58 is connected to the front wind circle 57 and the rear cover 50, the front wind circle 57 can fix the inner liner 66, and the handle 1 is connected to the barrel 58. A circuit control board is provided in the handle 1, wherein the circuit control board is electrically connected to the brushless motor 63 and the mica sheet 64, and is used to control the start-up and hot and cold wind states of the hair dryer.

[0031] Example 2, please refer to Figure 7 The present invention provides another technical solution: a hair dryer, which is provided with any hair dryer structure in the above-mentioned embodiment 1, and the air cylinder 2 of the hair dryer is also provided with an adapter 7 at the air outlet end 4, wherein the inner wall of the adapter 7 is provided with a plurality of clamping grooves 70 for connecting functional accessories. By providing the adapter 7, various functional accessories can be installed on the adapter 7 by using the clamping grooves 70, such as installing a curling iron, a hot air comb, etc., so that it can be used as a hair dryer and have other hairdressing functions, thereby improving the versatility of use.

[0032] The working principle of the present invention is as follows: by respectively providing a front air inlet area 51 and a side air inlet area 52 on the rear cover 50 of the air inlet end 3, when the hair dryer is in use, the airflow can enter the air duct 2 from the front air inlet area 51 and the side air inlet area 52 respectively, thereby avoiding the airflow flowing from the same area at the same time, which would cause the airflow to collide at the moment of entering and generate wind noise, thereby reducing the noise generated by the hair dryer when in use, and a booster cylinder 60 is also provided in the inner shell assembly 6, wherein the booster cylinder 60 is shaped like a trumpet, so that after the airflow enters from the air inlet end 3, the booster cylinder 60 can converge and pressurize the airflow, thereby greatly improving the wind speed of the airflow blown out by the hair dryer when in use, thereby enhancing the user experience.

[0033] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hair dryer, comprising a handle and a wind tube, wherein the wind tube comprises an air inlet end and an air outlet end, and the wind tube comprises an outer shell component and an inner shell component, wherein: The outer shell assembly includes a rear cover located at the air inlet end, and the rear cover is respectively provided with a front air inlet area and a side air inlet area for avoiding airflow collision and thus reducing wind noise. The inner shell assembly includes a booster cylinder, and the booster cylinder is trumpet-shaped and is used to pressurize the airflow and increase the wind speed.

2. The hair dryer according to claim 1, characterized in that: The front air inlet area includes a plurality of first strip-shaped air inlets arranged at the bottom of the rear cover, and the side air inlet area includes a plurality of second strip-shaped air inlets arranged at the side of the rear cover.

3. The hair dryer according to claim 1, characterized in that: A first filter net for dust prevention is arranged in the rear cover, a plurality of first connecting posts are arranged at the bottom of the rear cover, a plurality of first connecting holes are arranged on the first filter net corresponding to the first connecting posts, and the first connecting posts are limitedly matched with the first connecting holes.

4. The hair dryer according to claim 1, characterized in that: The end of the boost cylinder close to the rear cover is also provided with a second filter for dust prevention. The boost cylinder is provided with a plurality of second connecting columns. The second filter is provided with a plurality of second connecting holes corresponding to the second connecting columns. The second connecting columns and the second connecting holes are limitedly matched.

5. The hair dryer according to claim 1, characterized in that: A limiting column is provided at the inner bottom of the rear cover, and a limiting slot is provided at the boost cylinder corresponding to the limiting column, and the limiting column and the limiting slot are engaged with each other.

6. The hair dryer according to claim 1, characterized in that: The booster cylinder comprises an air gathering end and an air supply end, the air supply end is in a bell-mouth shape, and the diameter of the air gathering end is smaller than the caliber of the air supply end.

7. The hair dryer according to claim 6, characterized in that: A brushless motor is arranged in the boost cylinder, and a heating component for controlling hot and cold air is also arranged at the air supply end of the boost cylinder, wherein the heating component comprises a plurality of mica sheets distributed in a fan shape.

8. The hair dryer according to claim 7, characterized in that: The inner shell component also includes mica paper located at the air supply end of the booster cylinder, the mica paper is cylindrical, and the heating component is located inside the mica paper.

9. The hair dryer according to claim 8, characterized in that: The inner shell assembly also includes an inner liner located at the air supply end of the booster cylinder for heat insulation, the mica paper is arranged inside the inner liner, the outer shell assembly includes a front air ring located at one end of the inner liner, the outer shell assembly also includes a cylinder body located between the front air ring and the rear cover, the handle is connected to the cylinder body, and a circuit control board is arranged in the handle.

10. The hair dryer according to claim 1, characterized in that: The air outlet end of the air duct is also provided with an adapter, and a clamping groove for connecting functional accessories is provided in the adapter.

Images