CN218581841U

CN218581841U - Axial flow blower

Info

Publication number: CN218581841U
Application number: CN202222637923.0U
Authority: CN
Inventors: 陈强; 汤亚斌; 上官云杰
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-07
Anticipated expiration: 2032-10-09

Abstract

The utility model provides an axial flow hair-dryer, include housing assembly, assemble fixed air inlet subassembly, air-out subassembly and connect the motor duct subassembly between air inlet subassembly and air-out subassembly with housing assembly, the motor duct subassembly includes the duct main part, fixes the inside motor of duct main part, with the water conservancy diversion awl of duct main part's one end cooperation installation and with the fan blade of duct main part's other end cooperation installation, the fan blade is fixed on the motor shaft of motor, just the diameter of fan blade is 64mm ~ 100mm, the diameter of motor is 30mm ~ 50mm, makes axial flow hair-dryer's power more than or equal to 2000W, blowing power more than or equal to 2500g. Compared with the prior art, the utility model discloses an axial compressor hair-dryer has realized high power and high blowing power, can compete with the petrol hair-dryer completely, has improved market advantage.

Description

Axial-flow blower

Technical Field

The utility model relates to an axial flow hair-dryer belongs to hair-dryer technical field.

Background

The existing hair dryers comprise a gasoline hair dryer and a lithium-ion electric hair dryer, and for the gasoline hair dryer, the diameter of a fan blade is usually more than 250mm, the blowing force is more than 3000g, and the power is about 4 KW; for a lithium electric hair drier, the diameter of a fan blade is usually 80mm-90mm, the power is 1500W-2000W, and the blowing force is generally below 2000g, so that the lithium electric hair drier cannot compete with a gasoline hair drier.

In view of the above, there is a need for an improved lithium hair dryer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axial compressor hair-dryer, this axial compressor hair-dryer can improve power and blowing power for axial compressor hair-dryer's wholeness can be promoted, thereby can compete with the petrol hair-dryer, improve market advantage.

In order to achieve the above object, the utility model provides an axial-flow hair drier, including casing assembly, with casing assembly equipment fixed air inlet subassembly, air-out subassembly and connect the motor duct subassembly between air inlet subassembly and air-out subassembly, the motor duct subassembly includes the duct main part, fixes the inside motor of duct main part, with the water conservancy diversion awl of the one end cooperation installation of duct main part and with the fan blade of the other end cooperation installation of duct main part, the fan blade is fixed on the motor shaft of motor, just the diameter of fan blade is 64mm ~ 100mm, the diameter of motor is 30mm ~ 50mm, makes axial-flow hair drier's power more than or equal to 2000W, blowing power more than or equal to 2500g.

As a further improvement of the utility model, the fan blade isThe density of the metal fan blade is less than or equal to 6.8g/cm ³ So that the dynamic balance value of the fan blade is 2 mg-20 mg.

As a further improvement, the fan blade is accommodated in the duct main body in the diameter direction of the fan blade, the end of the fan blade with a gap is left between the inner wall surface of the duct main body.

As a further improvement of the utility model, the clearance is less than or equal to 1.2mm.

As a further improvement, the air inlet subassembly includes first air intake and the air-supply line that links to each other with first air intake, the air-supply line with the duct main part links to each other, just be equipped with on the inside wall of air-supply line and fall the sponge of making an uproar to noise when reducing the air inlet.

As a further improvement, the air-out subassembly includes the return bend, with return bend fixed connection's bellows, with bellows fixed connection's play tuber pipe and install handle assembly on the play tuber pipe, the return bend with the duct main part links to each other, be equipped with on the inside wall of bellows and fall the sponge of making an uproar to noise when reducing the wind.

As a further improvement, the thickness of the noise reduction sponge is more than or equal to 4mm.

As a further improvement of the utility model, axial-flow hair-dryer is still including setting up power supply module in the casing subassembly, power supply module includes the battery package and is located the circuit board of battery package below, seted up on the lateral wall of air-supply line with the first louvre that first air intake is linked together, first louvre with the circuit board corresponds the setting, with through first louvre will the heat that produces distributes away in the circuit board working process.

As a further improvement, the second louvre that is linked together with first air intake has still been seted up on the roof of air-supply line, casing assembly is equipped with the confession and accepts the battery package cavity of battery package, the bottom of battery package cavity with the second louvre intercommunication, the third louvre with outside intercommunication is seted up at the top of battery package cavity.

As a further improvement, the housing assembly further comprises a fan arranged close to the third heat dissipation hole, the fan is driven to start up, the first air inlet enters the air flow in the air inlet pipe passes through the second heat dissipation hole enters the battery pack cavity and then flows out through the third heat dissipation hole to take away the heat in the battery pack cavity.

As a further improvement, the battery pack is provided with two and is connected in parallel, the battery pack cavity is also provided with two for accommodating two battery packs.

As a further improvement of the present invention, the ratio of the weight of the battery pack to the weight of the axial flow blower is greater than or equal to 30%.

As a further improvement, the duct main part be close to fan blade one side and seted up the second air intake, the air outlet has been seted up to keeping away from fan blade one side of water conservancy diversion awl, the second air intake with the air outlet intercommunication, with form the wind current channel in the duct main part.

As a further improvement, be equipped with the confession in the duct main part and accept the portion of acceping of motor, it accepts the chamber to be formed with in the portion of acceping, the motor is acceptd accept the intracavity, the second air intake is seted up the portion of acceping is close to fan blade one side, the wind current channel certainly the second air intake passes the motor with it reachs to accept the chamber the air outlet.

As a further improvement of the present invention, the axial flow blower is a backpack blower or a hand-held blower.

The beneficial effects of the utility model are that: the utility model discloses an axial compressor hair-dryer is through setting up the diameter of fan blade at 64mm ~ 100mm, sets up the diameter of motor at 30mm ~ 50mm simultaneously to axial compressor hair-dryer's power can more than or equal to 2000W and blow power more than or equal to 2500g, has realized high power and high blow power, can compete with the petrol hair-dryer completely, has improved market advantage.

Drawings

Fig. 1 is a perspective view of an axial flow blower according to the present invention.

Fig. 2 is a schematic view of the axial flow blower shown in fig. 1 with the battery pack exploded.

FIG. 3 is an exploded view of the axial flow blower of FIG. 1 with the air delivery assembly and battery pack removed.

Fig. 4 is a perspective view of the housing assembly of fig. 1 with the upper cover and the battery pack removed.

Fig. 5 is an exploded view of the intake assembly of fig. 3.

Fig. 6 is a perspective view of the battery pack cavity of fig. 3.

Figure 7 is an exploded view of the motor bypass assembly of figure 3.

Fig. 8 is another angular schematic of fig. 7.

Figure 9 is a side view of the motor bypass assembly shown in figure 7.

Fig. 10 is a perspective view of the air outlet assembly in fig. 3.

Fig. 11 is a perspective view of the handle assembly of fig. 10.

Fig. 12 is another angular perspective view of the handle assembly of fig. 11.

Fig. 13 is a schematic view of the rotation of the air outlet assembly of the axial flow blower of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model discloses an axial flow hair-dryer, this axial flow hair-dryer both can be knapsack formula design, forms knapsack formula hair-dryer, also can be the hand-held type design, forms the hand-held type hair-dryer, does not do the restriction here. For convenience of description, the following will take a backpack type blower as an example, and the detailed structure of the axial flow blower of the present invention will be described in detail with reference to the accompanying drawings, but it should not be limited thereto.

As shown in fig. 1 to 3, the axial flow blower 100 includes a casing assembly 10, a power supply assembly (not numbered) assembled in the casing assembly 10, an air inlet assembly 30 assembled and fixed with the casing assembly 10, an air outlet assembly 40, and a motor duct assembly 50 connected between the air inlet assembly 30 and the air outlet assembly 40.

The housing assembly 10 includes a back plate 11, a back strap (not shown), and a housing 12 assembled with the back plate 11. The housing 12 is assembled and fixed to one side wall of the back plate 11, and the strap is disposed on the other side wall of the back plate 11, and when the strap is around the body of the operator, the other side wall of the back plate 11 is attached to the back of the operator. The housing 12 includes a rear cover 121 attached to the back plate 11, a front cover 122 assembled and fixed with the rear cover 121, a battery pack cavity 123 accommodated in an accommodating space defined by the rear cover 121 and the front cover 122, and an upper cover 124 assembled and fixed with the front cover 122 to cover the battery pack cavity 123.

The power supply assembly is accommodated in the battery pack cavity 123 and used for supplying power to the motor 52, the power supply assembly is carried on the back of a human body through the shell assembly 10 and comprises a battery pack 21 and a circuit board 22 positioned below the battery pack 21, the circuit board 22 is electrically connected with the motor 52 and the battery pack 21, and electric energy output by the battery pack 21 is transmitted to the circuit board 22 and then transmitted to the motor 52. The battery pack 21 is detachably inserted into the battery pack cavity 123 in a sliding manner. In this embodiment, two battery packs 21 are disposed and connected in parallel, and two battery pack cavities 123 are correspondingly disposed for accommodating two battery packs 21, but the disclosure should not be limited thereto.

As shown in fig. 4, the upper cover 124 is pivotally connected to the front cover 122, so that the battery pack 21 can be loaded into the corresponding battery pack cavity 123 by opening the upper cover 124, and after the battery pack 21 is mounted, dust and water can not enter the battery pack cavity 123 by closing the upper cover 124, thereby achieving the dustproof and waterproof effects. In order to realize the automatic closing of the upper cover 124, a torsion spring may be added at the rotating shaft to realize the automatic recovery of the upper cover 124, and two magnets 126 may be added on the battery pack cavity 123 to ensure the firm closing of the upper cover 124.

The technical scheme of the utility model in, set two battery package 21 to mutual parallelly connected discharge, set the weight of two battery package 21 to with the ratio more than or equal to 30% of axial compressor hair-dryer 100's weight simultaneously to can increase axial compressor hair-dryer 100's complete machine capacity.

As shown in fig. 5 and fig. 6 in combination with fig. 3, the air intake assembly 30 is disposed below the power module, and includes an air window 31 and an air intake pipe 32 assembled and fixed with the air window 31, the air window 31 is opened with a first air intake 311, and the first air intake 311 is communicated with an inner cavity of the air intake pipe 32 to form a complete air intake channel.

In order to reduce noise in the air intake process, a noise reduction sponge 33 is arranged on the inner side wall of the air inlet pipe 32, and the thickness of the noise reduction sponge 33 is more than or equal to 4mm. The sidewall of the air inlet pipe 32 is provided with a first heat dissipation hole 321, and the first heat dissipation hole 321 is disposed corresponding to the circuit board 22 to increase the air flow at the position of the circuit board 22, so that the heat generated during the operation of the circuit board 22 can be dissipated through the first heat dissipation hole 321, thereby reducing the temperature of the circuit board 22.

The top wall of the air inlet pipe 32 is provided with a second heat dissipation hole 322, the bottom of the battery pack cavity 123 is communicated with the second heat dissipation hole 322, and the top of the battery pack cavity 123 is provided with a third heat dissipation hole 125 communicated with the outside. The housing assembly 10 further includes a fan 13 disposed near the third heat dissipation hole 125, when the fan 13 is started, the fan can drive the airflow entering the air inlet pipe 32 from the first air inlet 311 to enter the battery pack cavity 123 through the second heat dissipation hole 322, and the airflow flows out from the third heat dissipation hole 125 from bottom to top in the battery pack cavity 123 to take away the heat in the battery pack cavity 123. Preferably, the fan 13 is fixed to the back plate 11.

In other words, by forming the first heat dissipation holes 321 on the side wall of the air inlet duct 32, when the axial flow blower 100 operates, the circuit board 22 can be dissipated through the first air inlet 311 and the first heat dissipation holes 321, so that the operation time of the circuit board 22 is prolonged; the second heat dissipation holes 322 are formed in the top wall of the air inlet pipe 32, and the third heat dissipation holes 125 are formed in the top of the battery pack cavity 123, so that when the axial flow blower 100 operates, a heat dissipation channel is formed in the battery pack cavity 123 through the second heat dissipation holes 322 and the third heat dissipation holes 125, and heat dissipation is performed on the battery pack 21; by additionally arranging the fan 13 on the back plate 11, the heat in the battery pack cavity 123 can be extracted from the third heat dissipation hole 125 by using the fan 13, so that the cooling and heat dissipation are realized, and the operation time of the battery pack 21 is prolonged.

As shown in fig. 7 and 8 in combination with fig. 3, the motor duct assembly 50 is connected between the air inlet assembly 30 and the air outlet assembly 40, and is powered by the power supply assembly. The motor duct assembly 50 comprises a duct main body 51, a motor 52 fixed inside the duct main body 51, a flow guide cone 53 installed in a matched manner with one end of the duct main body 51, and a fan blade 54 installed in a matched manner with the other end of the duct main body, wherein one end of the duct main body 51, on which the fan blade 54 is installed, is connected with the air inlet pipe 32, and one end, on which the flow guide cone 53 is installed, is connected with the air outlet assembly 40. The fan blades 54 are fixed on the motor shaft of the motor 52, so that when the motor 52 is started, the fan blades 54 are driven to rotate, negative pressure is generated at the first air inlet 311, external air is promoted to enter the air inlet pipe 32 through the first air inlet 311 and flow to the motor duct assembly 50, and then flows out along the air outlet assembly 40 under the action of the diversion cone 53.

Specifically, a second air inlet 511 is formed in one side of the duct main body 51 close to the fan blades 54, an air outlet 531 is formed in one side of the diversion cone 53 far from the fan blades 54, and the second air inlet 511 is communicated with the air outlet 531, so that an air flow passage is formed in the duct main body 51, and therefore negative pressure generated at the first air inlet 311 can enter the air flow passage through the second air inlet 511 and then flow out from the air outlet 531, and the temperature of the motor 52 is reduced. Preferably, an accommodating portion 512 for accommodating the motor 52 is arranged in the duct main body 51, an accommodating chamber 513 is formed in the accommodating portion 512, the motor 52 is accommodated in the accommodating chamber 513, the second air inlet 511 is arranged at a side of the accommodating portion 512 close to the fan blades 54, and the air flow channel passes through the motor 52 and the accommodating chamber 413 from the second air inlet 511 to reach the air outlet 531.

In order to strengthen the blowing power of the axial flow blower 100, the utility model discloses set up the diameter of fan blade 54 to be located between 64mm ~ 100mm, set up the diameter of motor 52 to be located between 30mm ~ 50mm simultaneously to axial flow blower 100's power can reach to be greater than or equal to 2000W, the blowing power can reach to be greater than or equal to 2500g. For example: as shown in the following table, when the diameter of the fan blade 54 is 89mm, under the same condition, the rotation speed of the motor 52 can reach 34220rpm, the power of the axial flow blower 100 can reach 2500W, the wind speed can reach 210MPH, the wind volume can reach 718CFM, the blowing force can reach 3215g, and the performance of the axial flow blower can be completely comparable to that of a gasoline blower.

The material of the duct body 51 and the wind blades 54 is replaced by a low-density metal having a density of 6.8g/cm or less ³ For example: magnesium alloy and aluminum alloy, thereby improving the stability and ensuring that the dynamic balance value of the fan blade 54 is 2 mg-20 mg.

As shown in fig. 9, the fan blade 54 is accommodated in the duct main body 51, and a gap a is left between the end of the fan blade 54 and the inner wall surface of the duct main body 51 in the diameter direction of the fan blade 54, and the gap a is less than or equal to 1.2mm, so as to reduce the performance loss of the fan blade 54 in the rotation process.

As shown in fig. 10 to 13 in combination with fig. 3, the air outlet assembly 40 includes an elbow 41, a bellows 42 fixedly connected to the elbow 41, an air outlet pipe 43 fixedly connected to the bellows 42, a handle assembly 44 mounted on the air outlet pipe 43, and an air blowing pipe 45 connected to the air outlet pipe 43, wherein the elbow 41 is connected to the bypass main body 51 and is used for guiding the air flow flowing out through the bypass main body 51 into the air outlet pipe 43. One end of the elbow 41 is inserted into the duct main body 51 and is connected with the port of the duct main body 51 in a movable manner, so that the elbow 41 can rotate coaxially with the duct main body 51, the rotation angle is greater than or equal to 90 degrees, an operator can conveniently adjust the angle of the air outlet assembly 40, the operation in a large-range area is realized, and the operation can be specifically referred to fig. 13. Of course, one end of the elbow 41 is also designed to be respectively fastened and fixed to the front cover 122 and the rear cover 121, so that the elbow 41 is not detached and the rotation of the elbow 41 relative to the ducted body 51 is not affected.

In order to reduce noise during wind, it is preferable that a noise reduction sponge (not shown) is also provided on the inner side wall of the bellows 42, and the thickness of the noise reduction sponge is 4mm or more, so as to reduce noise during the operation of the whole machine.

As shown in fig. 11 and 12, the handle assembly 44 is used for an operator to grasp and start the axial flow blower 100, and the handle assembly 44 is connected to the power supply assembly (specifically, the circuit board 22) through a control line, so as to realize the normal starting of the axial flow blower 100. The utility model discloses in, because of battery package 21 is provided with two, in order to let the electric quantity of knowing current battery package 21 that the user can be clear, the event has set up display screen 441 in handle assembly 44, is equipped with the second display portion 443 that is used for showing the first display portion 442 of the current electric quantity of battery package 21 and is used for showing battery package 21 quantity on this display screen 441, first display portion 442 is located the left side of second display portion 443, comprises four display lamps, and second display portion 443 is located the right side of first display portion 442, comprises two display lamps.

When a single battery pack 21 is inserted into the battery pack cavity 123, the corresponding display lamp in the second display portion 443 is turned on, and the first display portion 442 displays the current electric quantity of the single battery pack 21; when both battery packs 21 are inserted into the battery pack cavity 123, the two display lamps in the second display portion 443 are all turned on, and at this time, the first display portion 442 preferentially displays the power of the battery pack 21 with a large power and the battery pack 21 with a large power is preferentially discharged, and when the battery pack 21 with a large power runs to the same power as the other battery pack 21, the two battery packs 21 are simultaneously discharged to ensure the running battery pack capacity of the axial flow blower 100.

The handle assembly 44 is also provided with an acceleration button 444, a constant speed button 445 and a switch panel 446, wherein the display screen 441 is arranged at the top of the handle assembly 44, so that an operator can conveniently look straight; the acceleration button 444 is arranged below the display screen 441, so that an operator can conveniently operate the acceleration button with the thumb to realize multi-gear acceleration; the constant speed button 445 is disposed on the left side of the handle assembly 44, and the trigger 446 is disposed below the handle assembly 44 to facilitate gripping operation with four fingers. When in use, the switch panel 446 is pressed by four fingers to start the axial flow blower 100; then, the acceleration button 444 is pressed to switch the axial flow blower 100 at different wind speed gears; after the wind speed gear is selected, the specific wind speed is adjusted by pressing the trigger 446; finally, the constant speed button 445 is rotated to lock the current wind speed, and after the constant speed button 445 is released, the axial flow blower 100 can be fixed to operate at the current wind speed. After the operation is completed, the axial flow blower 100 is turned off by releasing the switch panel 446.

Referring to fig. 10 again, the blowing pipe 45 is connected to the end of the air outlet pipe 43, and an air outlet channel is formed in the inner cavity of the blowing pipe 45 for air outlet. In this embodiment, the blowing pipe 45 comprises two parts, and these two parts are assembled each other along axial direction, on the one hand, can prolong the air-out passageway of blowing pipe 45 according to actual need, and on the other hand can dismantle and accomodate after the use is accomplished, and is very convenient. Of course, in other embodiments, the blowpipe 45 may be provided with only one portion, and the other portion may be eliminated, without limitation.

To sum up, the utility model discloses an axial compressor hair-dryer 100 sets up at 64mm ~ 100mm through the diameter with fan blade 54, sets up the diameter of motor 52 at 30mm ~ 50mm simultaneously to axial compressor hair-dryer 100's power can more than or equal to 2000W and blow power more than or equal to 2500g, has realized high power and high blow power, has promoted axial compressor hair-dryer 100's wholeness ability, can compete with the petrol hair-dryer completely, has improved market advantage.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an axial flow hair-dryer, includes casing assembly, the air inlet subassembly fixed with casing assembly equipment, air-out subassembly and connect the motor duct subassembly between air inlet subassembly and air-out subassembly, its characterized in that: the motor duct assembly comprises a duct main body, a motor fixed inside the duct main body, a flow guide cone installed at one end of the duct main body in a matched mode, and a fan blade installed at the other end of the duct main body in a matched mode, the fan blade is fixed on a motor shaft of the motor, the diameter of the fan blade is 64 mm-100 mm, the diameter of the motor is 30 mm-50 mm, and therefore the power of the axial flow blower is larger than or equal to 2000W, and the blowing force is larger than or equal to 2500g.

2. The axial flow hair dryer of claim 1, wherein: the fan blades are metal fan blades, and the density of the metal fan blades is less than or equal to 6.8g/cm ³ So that the dynamic balance value of the fan blade is 2 mg-20 mg.

3. The axial flow hair dryer of claim 1, wherein: the fan blade is accommodated in the duct main body, and a gap is reserved between the tail end of the fan blade and the inner wall surface of the duct main body in the diameter direction of the fan blade.

4. The axial flow hair dryer of claim 3, wherein: the clearance is less than or equal to 1.2mm.

5. The axial flow hair dryer of claim 1, wherein: the air inlet assembly comprises a first air inlet and an air inlet pipe connected with the first air inlet, the air inlet pipe is connected with the duct main body, and a noise reduction sponge is arranged on the inner side wall of the air inlet pipe to reduce noise during air inlet.

6. The axial flow hair dryer of claim 5, wherein: the air-out subassembly includes the return bend, with return bend fixed connection's bellows, with bellows fixed connection's play tuber pipe and install handle assembly on the play tuber pipe, the return bend with the duct main part links to each other, be equipped with the sponge of making an uproar of falling on the inside wall of bellows to noise when reducing the air-out.

7. The axial flow hair dryer according to claim 5 or 6, wherein: the thickness of the noise reduction sponge is more than or equal to 4mm.

8. The axial flow hair dryer of claim 5, wherein: the axial flow blower further comprises a power supply assembly arranged in the shell assembly, the power supply assembly comprises a battery pack and a circuit board located below the battery pack, a first heat dissipation hole communicated with the first air inlet is formed in the side wall of the air inlet pipe, and the first heat dissipation hole corresponds to the circuit board so as to dissipate heat generated in the working process of the circuit board through the first heat dissipation hole.

9. The axial flow hair dryer of claim 8, wherein: the top wall of the air inlet pipe is further provided with a second heat dissipation hole communicated with the first air inlet, the shell assembly is provided with a battery pack cavity for accommodating the battery pack, the bottom of the battery pack cavity is communicated with the second heat dissipation hole, and the top of the battery pack cavity is provided with a third heat dissipation hole communicated with the outside.

10. The axial flow hair dryer of claim 9, wherein: the shell assembly further comprises a fan which is close to the third heat dissipation holes, after the fan is started, the fan drives air flow entering the air inlet pipe from the first air inlet to enter the battery pack cavity through the second heat dissipation holes, and then the air flow flows out through the third heat dissipation holes to take away heat in the battery pack cavity.

11. The axial flow hair dryer of claim 9, wherein: the battery pack is provided with two batteries which are connected in parallel, and the battery pack cavity is also provided with two batteries for accommodating the two batteries.

12. The axial flow hair dryer of claim 11, wherein: the ratio of the weight of the two battery packs to the weight of the axial flow blower is greater than or equal to 30%.

13. The axial flow hair dryer of claim 1, wherein: the duct main body is provided with a second air inlet at one side close to the fan blade, the diversion cone is provided with an air outlet at one side far away from the fan blade, and the second air inlet is communicated with the air outlet so as to form an air flow channel in the duct main body.

14. The axial flow hair dryer of claim 13, wherein: the duct main body is internally provided with an accommodating part for accommodating the motor, an accommodating cavity is formed in the accommodating part, the motor is accommodated in the accommodating cavity, the second air inlet is formed in one side, close to the fan blade, of the accommodating part, and the air flow channel penetrates through the motor and the accommodating cavity from the second air inlet to reach the air outlet.

15. The axial flow hair dryer of claim 1, wherein: the axial flow blower is a backpack blower or a handheld blower.