CN216753764U

CN216753764U - High-speed hair drier

Info

Publication number: CN216753764U
Application number: CN202220162855.4U
Authority: CN
Inventors: 沈程胜
Original assignee: Dongguan Meiruida Technology Co ltd
Current assignee: Dongguan Meiruida Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-17
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a high-speed hair drier, which comprises a complete high-speed hair drier main body part through an operation component, a heating component, a fan component and a dustproof component, wherein the operation component can be assembled on an inner support easily to realize an operation structure which accords with the operation habit of a user and an assembly structure which is convenient for assembling and disassembling a blowing accessory, the heating component is easy to assemble, heat insulation sleeves are arranged on the periphery of a heating wire frame to avoid the influence of handheld heating on the experience of the user, the fan component is easy to assemble and high in reliability, an air inlet mesh part is integrated with a fan base and a fan cover, the dustproof structure which can be used for cleaning and replacing a dustproof mesh conveniently is realized through the dustproof component, the integral structure is simple and high in reliability, and the assembly is more convenient.

Description

High-speed hair drier

Technical Field

The utility model relates to the technical field of high-speed blowers, in particular to a high-speed blower with an improved structure.

Background

Since the Dyson high speed hair dryer HD01, there have been more and more high speed hair dryers on the market. Manufacturers push high-speed hair dryers from the same company. The high-speed blower mainly has the same difference with a common blower, mainly the difference of the rotating speed of the blower, matched components and air inlet and outlet structures, for example, an air inlet is arranged at the tail part of a handle.

For example, chinese utility model patent publication nos. CN204483373U and CN204742992U, which disclose the basic structure and composition of a straight-barrel type high-speed hair dryer, but do not provide a solution to how to provide a reliable and easily assembled high-speed hair dryer structure.

Accordingly, there is a need to develop or improve a high speed blower mechanism that is more reliable and more easily assembled.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a high-speed blower aiming at the defects of the prior art.

The embodiment of the utility model provides a high-speed blower, which comprises: the fan comprises a wind barrel handle, an assembling fastener, a control button, an inner support, a fan base, a fan cover, a heat insulation sleeve, a heating wire frame, a fan, a circuit main board, an outer mesh enclosure, a dust screen and a power line; the assembly fastener, the control key and the outer part of the inner support form an operation assembly, wherein the outer part of the inner support is provided with an assembly sliding groove, the assembly fastener is assembled on the assembly sliding groove in a sliding mode, and the control key is assembled on the outer part of the inner support; the heating assembly is composed of the inner part of the inner support, the heat insulation sleeve and the heating wire rack, wherein the heat insulation sleeve is sleeved outside the heating wire rack, the inner support is sleeved outside the heat insulation sleeve, the front end of the inner support is provided with a heating air outlet, and the rear end of the inner support is provided with a heating air inlet; the fan, the fan base, the fan cover, the circuit main board and the power line form a fan assembly, wherein the fan base and the fan cover are assembled to form an assembly space of the fan, the circuit main board and the power line, the front end surface of the assembly space is provided with a fan air outlet, the side surface of the rear part of the assembly space is provided with a fan air inlet, the front part of the assembly space is used for assembling the fan, the middle part of the assembly space is used for assembling the circuit main board, the rear part of the assembly space is used for assembling the power line, and the circuit main board is respectively and electrically connected with the fan, the power line, the heating wire of the heating wire rack and the control key; the outer net cover and the dust screen form a dust-proof assembly, the dust screen is assembled on the outer surface of the air inlet of the fan, and the outer net cover is sleeved on the outer surface of the dust screen; the rear end of the inner support is assembled with the front end of the fan base and the front end of the fan cover assembly, so that the heating air inlet of the heating assembly is communicated with the fan air outlet of the fan assembly, and the fan air inlet, the fan air outlet, the heating air inlet and the heating air outlet form a complete air duct; the wind cylinder handle is sleeved on the peripheries of the inner support, the wind cylinder base and the wind cylinder cover, and the fastener control part of the assembling fastener and the key control part of the control key are externally arranged on the outer surface of the wind cylinder handle.

In some embodiments, the assembly sliding grooves include a first assembly sliding groove and a second assembly sliding groove, the first assembly sliding groove and the second assembly sliding groove are arranged along an axial direction of the inner support, a through hole is formed between the first assembly sliding groove and the second assembly sliding groove, two side groove walls of the second assembly sliding groove are provided with guide holes along a sliding direction, the assembly fastener is provided with a spring seat, a guide rod, a limit buckle and a fastener control portion, the guide rod is slidably inserted into the guide holes, the assembly fastener is provided with a spring through the spring seat and between the rear wall of the second assembly sliding groove, the limit buckle is made to slidably slide from the second assembly sliding groove to the first assembly sliding groove, and when the limit buckle is located in the first assembly sliding groove, the limit buckle is used for limiting a clamping block in the first assembly sliding groove so as to achieve assembly and fixation of the inner support and the blowing accessory.

In some embodiments, the control key comprises a key circuit board, a button and a light guide column, the key circuit board is welded with an LED chip, the light guide column is fixed on the outer support leg of the inner support, and light emitted by the LED chip is emitted outwards through the light guide column.

In some embodiments, the control key and the assembly fastener are respectively located at two radial ends of the inner support.

In some of these embodiments, the surface cover of fan is equipped with the silica gel cover.

In some embodiments, the rear portion of the fan base is provided with a first fan air inlet mesh, the rear portion of the fan cover is provided with a second fan air inlet mesh, and the first fan air inlet mesh and the second fan air inlet mesh form a fan air inlet.

In some of these embodiments, the dust screen includes a first dust screen and a second dust screen, the first dust screen detachably fits outside the first fan air inlet mesh, and the second dust screen detachably fits outside the second fan air inlet mesh.

In some embodiments, the first dust screen comprises a front end with a direct insertion block and a rear end with a buckle hook, the front end of the first dust screen is directly inserted into the front slot at the rear part of the fan base through the direct insertion block, and the rear end of the first dust screen is buckled in the buckle slot at the rear end surface of the fan base through the buckle hook; the second dust screen has the same structure as the first dust screen.

In some embodiments, the rear portion of the outer mesh enclosure has a via hole, and the power line passes through the via hole and is electrically connected with the circuit board.

In some of these embodiments, the blowing accessory is one of a blowing comb, a blowing cartridge, or a blowing wand.

Compared with the prior art, the high-speed hair drier provided by the embodiment of the utility model has the advantages that the operation component, the heating component, the fan component and the dustproof component form a complete main body part of the high-speed hair drier, wherein the operation component can be assembled on the inner support easily to realize an operation structure which accords with the operation habit of a user and an assembly structure which is convenient for assembling and disassembling a blowing accessory, the heating component is easy to assemble, the heat insulation sleeve is arranged around the heating wire frame to avoid the influence on the user experience caused by handheld heating, the fan component is easy to assemble and high in reliability, the air inlet mesh part is integrated with the fan frame and the fan cover into a whole, the dustproof structure which can be cleaned and replaced conveniently is realized through the dustproof component, the whole structure is simple and high in reliability, and the assembly is more convenient.

The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is an overall configuration diagram of a high-speed blower according to an embodiment of the present invention.

Figure 2 is a partially exploded view of a first embodiment of a high speed hair dryer in accordance with the present invention.

Fig. 3 is a partially exploded view of the high speed blower according to the embodiment of the present invention.

Fig. 4 is an external structural view of a blower fan assembly of an embodiment of the present invention.

Fig. 5 is a structural view of an external fitting slide groove of an inner bracket according to an embodiment of the present invention.

Fig. 6 is a view showing the structure of an external mounting fastener of the internal bracket according to the embodiment of the present invention.

Fig. 7 is a block diagram of an assembly fastener of an embodiment of the present invention.

In the figure, 1, a wind barrel handle; 2. assembling a fastener; 3. a control key; 4. an inner support; 5. a fan base; 6. a blower cover; 7. a heat insulation sleeve; 8. a heating wire frame; 9. a fan; 10. a circuit main board; 11. an outer mesh enclosure; 12. a dust screen; 13. a power line; 14. a first assembly chute; 15. a second assembly chute; 16. a through hole; 17. groove walls; 18. a guide hole; 19. a spring seat; 20. a guide rod; 21. a limit buckle; 22. a fastener operating part; 23. a key circuit board; 24. a button; 25. a light guide pillar; 26. an outer leg; 27. a spring; 28. a heating air outlet; 29. a heating air inlet; 30. an air outlet of the fan; 31. an air inlet of the fan; 32. turning a tail seat; 33. an upper positioning block; 34. a lower positioning block; 35. an upper positioning hole; 36. a lower positioning hole; 37. a via hole; 38. the first fan is provided with air inlet meshes; 39. air inlet mesh holes of the second fan; 40. a first dust screen; 41. a second dust screen; 42. directly inserting blocks; 43. buckling; 44. a front slot; 45. and (6) buckling grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, belong to the protection scope of the present invention. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description of the utility model are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in reference to the present invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1-2, a high-speed hair dryer according to an embodiment of the present invention includes: the air duct comprises an air duct handle 1, an assembling fastener 2, a control key 3, an inner support 4, a fan base 5, a fan cover 6, a heat insulation sleeve 7, a heating wire frame 8, a fan 9, a circuit main board 10, an outer screen cover 11, a dust screen 12 and a power line 13. Wherein, the outside of assembly fastener 2, control button 3 and inner support 4 constitutes operating element, and the inside of inner support 4, radiation shield 7 and the line frame 8 that generates heat constitute heating element, and fan 9, fan seat 5, fan lid 6, circuit board 10 and power cord 13 constitute fan subassembly, and outer screen cover 11 and dust screen constitute dustproof component. The assembly that the operating element changed briefly on inner support 4 can realize the structure of controlling that accords with user's operation custom and be convenient for assemble and dismantle the assembly structure of the accessory of blowing, and the assembly of heating element is simple and easy, wire frame 8 has the insulator 7 all around and avoids handheld the experience that generates heat and influence the user, the assembly of fan subassembly again is simple and the good reliability, integrate air inlet mesh portion and fan frame 5 and fan cover 6 as an organic whole, and realize the dustproof construction that can convenient washing and change dust screen 12 through dustproof subassembly, holistic simple structure and good reliability, and the assembly of being convenient for more.

As shown, the operation components of the present embodiment: the outer part of the inner bracket 4 is provided with an assembling sliding groove near the front end, the assembling fastener 2 is assembled on the assembling sliding groove in a sliding way, and the control key 3 is assembled on the outer part of the inner bracket 4. Specifically, the assembly chute comprises a first assembly chute 14 positioned on the outer side and a second assembly chute 15 positioned on the inner side, the first assembly chute 14 and the second assembly chute 15 are arranged along the axial direction of the inner support 4, a through hole 16 is formed between the first assembly chute 14 and the second assembly chute 15, two side chute walls 17 of the second assembly chute 15 are provided with guide holes 18 along the sliding direction, the assembly fastener 2 is provided with a spring seat 19, a guide rod 20, a limit buckle 21 and a fastener operating part 22, the guide rod 20 is slidably inserted into the guide holes 18, and the assembly fastener 2 is provided with a spring through the spring seat 19 and the rear wall of the second assembly chute 15, so that the limit buckle 21 slidably slides from the second assembly chute 15 to the first assembly chute 14; when the position-limiting buckle 21 is located in the first assembling sliding groove 14, the position-limiting buckle 21 is used for limiting a clamping block in the first assembling sliding groove 14 so as to realize the assembling and fixing of the inner bracket 4 and the blowing accessory, and when the position-limiting buckle 21 exits from the first assembling sliding groove 14, the clamping block of the blowing accessory can exit from the first assembling sliding groove 14 so as to detach the blowing accessory from the inner bracket 4. The operating assembly of the embodiment has simple structure and strong reliability.

The control key 3 comprises a key circuit board 23, a button 24 and a light guide column 25, wherein the key circuit board 23 is welded with an LED chip, the light guide column 25 is fixed on an external support leg 26 of the inner support 4, and light emitted by the LED chip is diffused outwards through the light guide column 25. The control key 3 and the assembly fastener 2 are respectively positioned at the radial two ends of the inner bracket 4, so that the thumb and the forefinger of a user can be conveniently operated on the upper side surface and the lower side surface respectively.

As shown, the heat generating component of the present embodiment: the heating wire rack 8 is externally sleeved with a heat insulation sleeve 7, the heat insulation sleeve 7 is externally sleeved with an inner support 4, the front end of the inner support 4 is provided with a heating air outlet 28 with a barrier structure, and the rear end of the inner support 4 is provided with a heating air inlet 29. The heat insulation sleeve 7 of the embodiment adopts mica sheets, so that heat can be prevented from being directly conducted to the inner support 4 and the air duct handle 1. The heating assembly of the embodiment has a simple structure and a thermal protection function.

As shown, the fan assembly of the present embodiment: the fan base 5 and the fan cover 6 are assembled to form an assembly space of the fan 9, the circuit board 10 and the power line 13, the front end face of the assembly space is provided with a fan air outlet 30 connected with the heating component, the side surface of the rear portion of the assembly space is provided with a fan air inlet 31 used for air inlet of the whole machine, the front portion of the assembly space is used for assembling the fan 9, the middle portion of the assembly space is used for assembling the circuit board 10, the rear portion of the assembly space is used for assembling the power line 13, and the circuit board 10 is respectively electrically connected with the fan 9, the power line 13, the heating line of the heating line frame 8 and the control key 3. The circuit board 10 is electrically connected to a transition seat 32, the transition seat 32 has an electrical connection jack, the power cord 13 is a transition power cord 13, and the transition power cord 13 has an electrical connection plug, and is inserted into the electrical connection jack through the electrical connection plug to realize rotatable electrical connection. As can be seen from the figure, the assembly structure between the inner support 4 and the fan base 5 and the fan cover 6 is as follows: the rear side surface of the inner bracket 4 is provided with an upper positioning block 33 and a lower positioning block 34, the fan base 5 is provided with a lower positioning hole 36, the fan cover 6 is provided with an upper positioning hole 35, the fan base 5 is sleeved on the lower portion of the rear side surface of the inner bracket 4 through the sleeving connection of the lower positioning hole 36 and the lower positioning block 34, the fan cover 6 is sleeved on the upper portion of the rear side surface of the inner bracket 4 through the sleeving connection of the upper positioning hole 35 and the upper positioning block 33, and the fan cover 6 and the fan base 5 are fixed through a locking screw. The outer surface of the fan 9 is sleeved with a silica gel sleeve and then assembled in the fan seat 5 and the fan cover 6.

As shown, the dust-proof assembly of the present embodiment: the dust screen 12 is assembled on the outer surface of the air inlet 31 of the fan, and the outer screen cover 11 is sleeved on the outer surface of the dust screen 12; the rear end of the inner support 4 is assembled with the front end of the fan base 5 and the front end of the fan cover 6, so that the heating air inlet 29 of the heating component is communicated with the fan air outlet 30 of the fan component, and the fan air inlet 31, the fan air outlet 30, the heating air inlet 29 and the heating air outlet 28 form a complete air duct. The rear portion of the outer mesh enclosure 11 has a via hole 37, and the power line 13 passes through the via hole 37 and is electrically connected to the circuit board 10.

As shown in the figure, the rear portion of the fan base 5 of this embodiment has first fan air inlet mesh 38, the rear portion of the fan cover 6 has second fan air inlet mesh 39, the fan air inlet 31 is composed of the first fan air inlet mesh 38 and the second fan air inlet mesh 39, the fan air inlet 31 is formed on the fan base 5 and the fan cover 6 by assembling and combining, and the structure of the fan air inlet 31 is simplified. The dust screen 12 includes a first dust screen 40 and a second dust screen 41, the first dust screen 40 being detachably fitted outside the first fan inlet air mesh holes 38, the second dust screen 41 being detachably fitted outside the second fan inlet air mesh holes 39. The first dust-proof net 40 and the second dust-proof net 41 can be quickly disassembled and assembled through a detachable structure. The first dust screen 40 comprises a straight insertion block 42 at the front end and a buckle 43 at the rear end, the front end of the first dust screen 40 is inserted into a front slot 44 at the rear part of the fan base 5 through the straight insertion block 42, and the rear end of the first dust screen 40 is buckled in a buckle slot 45 at the rear end face of the fan base 5 through the buckle 43; the second dust screen 41 has the same structure as the first dust screen 40, except that the second dust screen 41 is assembled on the blower cover 6, and the rest is not described herein again. First dust screen 40 and second dust screen 41 all can be followed fan seat 5, fan lid 6's rear end face respectively and assembled along the axial cut straightly, and assembly structure is simple and the good reliability compares and dismantles in prior art's annular dust screen more easily.

As shown in the figure, the air duct handle 1 of the present embodiment is sleeved on the peripheries of the inner support 4, the fan seat 5 and the fan cover 6 to expose the fan air inlet 31, and the fastener control part 22 of the assembly fastener 2 and the key control part (the button 24) of the control key 3 are externally arranged on the outer surface of the air duct handle 1. The outer net cover 11 is fastened to the rear end portions of the fan base 5 and the fan cover 6 by screwing to cover the fan inlet 31.

Optionally, the blowing accessory is one of a blowing comb, a blowing barrel, or a blowing curling iron.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A high speed hair dryer, comprising: the air duct comprises an air duct handle (1), an assembling fastener (2), a control key (3), an inner support (4), a fan seat (5), a fan cover (6), a heat insulation sleeve (7), a heating wire frame (8), a fan (9), a circuit main board (10), an outer net cover (11), a dust screen and a power line (13);

the assembling fastener (2), the control key (3) and the outer part of the inner support (4) form an operation assembly, wherein the outer part of the inner support (4) is provided with an assembling sliding groove, the assembling fastener (2) is assembled on the assembling sliding groove in a sliding manner, and the control key (3) is assembled on the outer part of the inner support (4);

the heating assembly is composed of the interior of the inner support (4), a heat insulation sleeve (7) and a heating wire rack (8), wherein the heat insulation sleeve (7) is sleeved outside the heating wire rack (8), the inner support (4) is sleeved outside the heat insulation sleeve (7), the front end of the inner support (4) is provided with a heating air outlet (28), and the rear end of the inner support (4) is provided with a heating air inlet (29);

the fan assembly comprises a fan (9), a fan base (5), a fan cover (6), a circuit main board (10) and a power line (13), wherein the fan base (5) and the fan cover (6) are assembled to form an assembly space of the fan (9), the circuit main board (10) and the power line (13), the front end face of the assembly space is provided with a fan air outlet (30), the side surface of the rear part of the assembly space is provided with a fan air inlet (31), the front part of the assembly space is used for assembling the fan (9), the middle part of the assembly space is used for assembling the circuit main board (10), the rear part of the assembly space is used for assembling the power line (13), and the circuit main board (10) is respectively and electrically connected with the fan, the power line (13), a heating wire of a heating wire frame (8) and a control key (3);

the outer mesh enclosure (11) and the dust screen form a dust-proof assembly, the dust screen is assembled on the outer surface of the air inlet (31) of the fan, and the outer mesh enclosure (11) is sleeved on the outer surface of the dust screen;

the rear end of the inner support (4) is assembled with the front end of the fan base (5) and the front end of the fan cover (6), so that a heating air inlet (29) of the heating component is communicated with a fan air outlet (30) of the fan component, and the fan air inlet (31), the fan air outlet (30), the heating air inlet (29) and the heating air outlet (28) form a complete air duct;

the air duct handle (1) is sleeved on the peripheries of the inner support (4), the fan seat (5) and the fan cover (6), and the fastener control part (22) of the assembly fastener (2) and the key control part of the control key (3) are arranged on the outer surface of the air duct handle (1) externally.

2. A high-speed hair dryer according to claim 1, wherein the assembly sliding groove comprises a first assembly sliding groove (14) and a second assembly sliding groove (15), the first assembly sliding groove (14) and the second assembly sliding groove (15) are arranged along the axial direction of the inner bracket (4), a through hole (16) is formed between the first assembly sliding groove (14) and the second assembly sliding groove (15), a guide hole (18) is formed in the two side groove walls (17) of the second assembly sliding groove (15) along the sliding direction, the assembly fastener (2) is provided with a spring seat (19), a guide rod (20), a limit buckle (21) and the fastener operating part (22), the guide rod (20) is slidably inserted in the guide hole (18), and the assembly fastener (2) is assembled with a spring through the spring seat (19) and the rear wall of the second assembly sliding groove (15), the limiting buckle (21) can slide from the second assembling sliding groove (15) to the first assembling sliding groove (14) in a sliding mode, and when the limiting buckle (21) is located in the first assembling sliding groove (14), the limiting buckle (21) is used for limiting a clamping block in the first assembling sliding groove (14) to achieve assembling and fixing of the inner support (4) and the blowing accessory.

3. A high-speed hair dryer according to claim 2, characterized in that said control button (3) comprises a button circuit board (23), a button (24) and a light guide pillar (25), said button circuit board (23) is soldered with an LED chip, said light guide pillar (25) is fixed on the outer leg (26) of said inner support (4), the light emitted by said LED chip is emitted outwards through said light guide pillar (25).

4. A high-speed hair dryer according to claim 3, characterized in that said control button (3) and said fitting fastener (2) are located at the radial ends of said inner support (4), respectively.

5. A high speed hair dryer as claimed in claim 1, wherein the outer surface of said blower (9) is fitted with a silicone sleeve.

6. A high speed hair dryer according to claim 1, wherein the rear portion of said blower base (5) has a first blower inlet opening (38), the rear portion of said blower cover (6) has a second blower inlet opening (39), said first blower inlet opening (38) and said second blower inlet opening (39) forming said blower inlet opening (31).

7. A high speed hair dryer according to claim 6, wherein said dust screen comprises a first dust screen (40) and a second dust screen (41), said first dust screen (40) being removably fitted over said first blower inlet mesh opening (38), said second dust screen (41) being removably fitted over said second blower inlet mesh opening (39).

8. The high-speed hair dryer of claim 7, wherein the first dust screen (40) comprises a front end with a straight insertion block (42) and a rear end with a buckle hook (43), the front end of the first dust screen (40) is inserted through the straight insertion block (42) to a front insertion slot (44) at the rear part of the blower base (5), and the rear end of the first dust screen (40) is buckled in a buckle slot (45) at the rear end surface of the blower base (5) through the buckle hook (43); the second dust screen (41) has the same structure as the first dust screen (40).

9. A high-speed hair dryer according to claim 1, wherein the rear part of the outer mesh enclosure (11) is provided with a through hole (37), and the power line (13) passes through the through hole (37) and is electrically connected with the circuit main board (10).

10. A high speed hair dryer as claimed in claim 2, wherein said blowing accessory is one of a blowing comb, a blowing barrel or a blowing wand.