Wireless hair dryer

Abstract

The application provides a wireless hair dryer, which comprises a wind tube, a handle connected to the wind tube, a charging battery assembly, and a fan assembly. The wind tube is provided with an air outlet channel. The handle is provided with an air inlet channel communicating with the air outlet channel. The charging battery assembly comprises a charging battery arranged in the wind tube, a charging connector arranged at the end of the handle, and an electric wire connected between the charging battery and the charging connector. The electric wire is arranged in the peripheral wall of the handle. The fan assembly is arranged in the air inlet channel of the handle. The fan assembly works to make the airflow produced by the fan assembly enter the air inlet channel and then be discharged from the wind tube through the air outlet channel. Since the electric wire does not occupy the space of the air inlet channel, the electric wire will not block the airflow produced by the fan assembly, the air inlet channel is kept smooth, the air pressure of the wireless hair dryer is stronger and more concentrated, the working efficiency is higher, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of hair dryer, in particular to a wireless hair dryer. BACKGROUND

[0002] The existing hair dryer generally includes a handle and a nozzle provided at one end of the handle, the nozzle is provided with a heating wire assembly and a fan, the handle is provided with a rechargeable battery, the rechargeable battery is connected with the heating wire assembly and the fan through an electric wire. One end of the nozzle is provided with an air inlet, the opposite end of the nozzle is provided with an air outlet, the rotation of the fan makes the airflow flow into the air inlet, and then flows out of the air outlet after passing through the nozzle. However, the electric wire of the existing hair dryer blocks part of the airflow, thereby affecting the smoothness of the air duct. SUMMARY

[0003] The present application aims to provide a wireless hair dryer with more smooth airflow.

[0004] In order to solve the above technical problems, the present application provides a wireless hair dryer, which includes a nozzle, a handle connected to the nozzle, a rechargeable battery assembly, and a fan assembly, the nozzle is provided with an air outlet channel, the handle is provided with an air inlet channel connected to the air outlet channel, the rechargeable battery assembly includes a rechargeable battery arranged in the nozzle, a charging connector arranged at the end of the handle, and an electric wire connected between the rechargeable battery and the charging connector, the electric wire is arranged in the peripheral wall of the handle, the fan assembly is arranged in the air inlet channel of the handle, and the fan assembly works to make the airflow enter the air inlet channel and then flow out of the nozzle through the air outlet channel.

[0005] The rechargeable battery of the wireless hair dryer provided by the present application is arranged in the nozzle, the charging connector is arranged at the end of the handle, the electric wire connected between the rechargeable battery and the charging connector is arranged in the peripheral wall of the handle, the fan assembly is arranged in the air inlet channel of the handle, and the fan assembly works to make the airflow enter the air inlet channel and then flow out of the nozzle through the air outlet channel. Since the electric wire does not occupy the space of the air inlet channel, the electric wire will not block the airflow produced by the fan assembly, so that the air inlet channel remains smooth, thereby making the air pressure of the wireless hair dryer stronger and more concentrated, improving the working efficiency and improving the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0006] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described in the following are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor.

[0007] Figure 1is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0008] Figure 2 is Figure 1 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0009] Figure 3 is Figure 2 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0010] Figure 4 is Figure 2 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0011] Figure 5 is Figure 4 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0012] Figure 6 is Figure 2 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0013] Figure 7 is Figure 6 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0014] Figure 8 is Figure 7 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0015] Figure 9 is Figure 8 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0016] Figure 10 is Figure 7 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0017] Figure 11 is Figure 7 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0018] Figure 12 is Figure 2 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0019] Figure 13 is Figure 1 is a perspective view of a wireless hair dryer according to an embodiment of the present invention;

[0020] Figure 14 is Figure 1 is a perspective view of a wireless hair dryer according to an embodiment of the present invention; DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0022] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationship indicated by the terms such as "thickness" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not imply or indicate that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] Please refer to Figures 1 to 7 The present application provides a wireless hair dryer 100, which comprises a barrel 20, a handle 30 connected to the barrel 20, a rechargeable battery assembly 50, a fan assembly 60 and an electric heating assembly 80. The barrel 20 is provided with an air outlet passage 201, and the handle 30 is provided with an air inlet passage 301 communicating with the air outlet passage 201. The rechargeable battery assembly 50 comprises a plurality of rechargeable batteries 51 arranged in the barrel 20, a charging connector 52 arranged at the end of the handle 30, and an electric wire 53 connected between the rechargeable batteries 51 and the charging connector 52. The electric wire 53 is arranged in the peripheral wall of the handle 20. The fan assembly 60 is arranged in the air inlet passage 301 of the handle 30. The fan assembly 60 works to make the airflow enter the air inlet passage 301 and then be discharged from the barrel 20 through the air outlet passage 201. The electric heating assembly 80 is arranged in the air outlet passage 201 to provide hot airflow for the user.

[0024] The rechargeable battery 51 of the wireless hair dryer 100 provided by the present application is arranged in the barrel 20, the charging connector 52 is arranged at the end of the handle 30, the electric wire 53 connected between the rechargeable battery 51 and the charging connector 52 is arranged in the peripheral wall of the handle 20, and the fan assembly 60 is arranged in the air inlet passage 301 of the handle 30. The fan assembly 60 works to make the airflow enter the air inlet passage 301 and then be discharged from the barrel 20 through the air outlet passage 201. Since the electric wire 43 does not occupy the space of the air inlet passage 301, the electric wire 43 will not block the airflow produced by the fan assembly 60, so that the air inlet passage 301 remains smooth, thereby making the air pressure of the wireless hair dryer 100 stronger and more concentrated, improving the working efficiency and improving the user experience.

[0025] The air duct 20 comprises a hollow main housing 21, a front shell 22 arranged at the front end of the main housing 21, and a rear cover 24 arranged at the rear end of the main housing 21, and an air outlet channel 201 penetrates the main housing 21 along the axial direction of the main housing 21. In this embodiment, the main housing 21 is approximately in a cylindrical structure, and a wind guide 210 is arranged at the middle of the front end of the main housing 21. Specifically, the wind guide 210 is a semispherical structure which is recessed along the axial direction of the main housing 21 towards the air outlet channel 201. The front end of the main housing 21 is provided with an air outlet 211 around the wind guide 210 which is connected to the air outlet channel 201. The front end of the main housing 21 is provided with a clamping ring 212 which is protruded along the axial direction of the main housing 21 towards the front end around the air outlet 211, and the front shell 22 is sleeved on the clamping ring 212. In this application, the front end refers to the end which is directed to the user during the normal use of the hair dryer 100, and the rear end refers to the end which is away from the user during the normal use of the hair dryer 100.

[0026] As shown in the drawings, Figures 8-9 The front end of the main housing 21 is provided with a plurality of connecting columns 213 around the clamping ring 212, and each connecting column 213 is provided with a locking hole along the axial direction of the connecting column 213. The connecting columns 213 are used to connect the front shell 22 to the main housing 21. The front end of the main housing 21 is provided with a plurality of first supporting columns 214 which are arranged in the air outlet channel 201 around the clamping ring 212, and each first supporting column 214 is provided with a connecting hole 2140 along the axial direction of the main housing 21. The first supporting columns 214 are used to connect the rechargeable battery assembly 50 to the main housing 21. In this embodiment, the front end of the main housing 21 is provided with a plurality of air outlets 211 which are arranged in at least one circle around the clamping ring 212. The inner circumferential surface of the air outlet channel 201 is provided with a plurality of positioning strips 216 which are arranged in a circle around the axial direction of the main housing 21, and the positioning strips 216 are used to position the rechargeable battery assembly 50.

[0027] The front shell 22 is provided with a through hole 220 which corresponds to the air outlet 211, and the side of the front shell 22 which is away from the main housing 21 is provided with a first suction member 221. In this embodiment, the first suction member 221 is in a ring structure, and the first suction member 221 is arranged around the through hole 220. The wireless hair dryer 100 further comprises an air nozzle 70 which is detachably arranged on the front shell 22. Specifically, the air nozzle 70 comprises an air nozzle housing 71 and a second suction member 73 which is arranged on the side of the air nozzle housing 71 which faces the front shell 22. The air nozzle housing 71 is provided with an air outlet through hole 75 along the axial direction of the air nozzle housing 71, and the second suction member 73 is arranged around the air outlet through hole 75. When the air nozzle 70 is arranged on the air duct 20, the first suction member 221 and the second suction member 73 are attracted to each other so that the air nozzle 70 is positioned on the air duct 20, and the air outlet through hole 75 is connected to the through hole 220. In this embodiment, the first suction member 221 and the second suction member 73 are both magnets.

[0028] In other embodiments, the first suction member 221 is a ring of iron and the second suction member 73 is a magnet; or, the first suction member 221 is a magnet and the second suction member 73 is a ring of iron.

[0029] In other embodiments, the first suction member 221 is an electromagnet electrically connected to the rechargeable battery 51, and the second suction member 73 is a magnet or a piece of iron. Specifically, in one embodiment, the first suction member 221 is always electrically connected to the rechargeable battery 51 so that the first suction member 221 remains magnetic, facilitating the attachment of the second suction member 73 to the first suction member 221; in another embodiment, the hair dryer 100 further comprises a switch for controlling whether the first suction member 221 is electrically connected to the rechargeable battery 51, when the nozzle 70 is needed, the switch is turned on so that the first suction member 221 is magnetic, facilitating the attachment of the first suction member 221 to the second suction member 73; when the nozzle 70 is needed to be removed, the switch is turned off so that the electrical connection between the first suction member 221 and the rechargeable battery 51 is broken, the magnetic property of the first suction member 221 disappears, facilitating the removal of the nozzle 70.

[0030] The rear cover 24 is connectable to the rear end of the main housing 21 to position the rechargeable battery assembly 50 within the main housing 21. Specifically, the rear cover 24 comprises a cover plate 241 and a flange 243 protruding from the edge of the cover plate 241, the side of the cover plate 241 facing away from the flange 243 is provided with a plurality of countersunk holes 244. The outer peripheral surface of the flange 243 is provided with a positioning groove 246 along the circumferential direction thereof. The rear cover 24 further comprises a sealing ring 247 received in the positioning groove 246 and a decorative sheet 248 attached to the cover plate 241 facing away from the flange 243.

[0031] The peripheral wall of the handle 30 is provided with a wire groove 303, the electric wire 53 is received in the wire groove 303 to avoid occupying the space of the air inlet passage 301 of the handle 30, preventing the electric wire 53 from blocking part of the airflow, making the airflow in the air inlet passage 301 smoother.

[0032] In the present embodiment, the handle 30 comprises a handle body 31 connected to the main housing 21, a handle cover 33 detachably buckled to the handle body 31, and a sleeve 35 sleeved to the handle body 31 and the handle cover 33, the handle body 31 and the handle cover 33 form a cylindrical body after buckling. The fan assembly 60 is clamped between the handle body 31 and the handle cover 33, and the electric wire 53 is arranged between the sleeve 35 and the handle body 31 and / or the handle cover 33. Specifically, the outer peripheral surface of the handle body 31 is provided with a wire groove 303 extending along the length direction of the handle body 31 from one end to the other end, the electric wire 53 is received in the wire groove 303, and the sleeve 35 is sleeved to the handle body 31 to position the electric wire 53.

[0033] In other embodiments, the outer circumferential surface of the handle cover 33 can also be provided with a wire groove extending from one end to the opposite end of the handle cover 33, and the wire 53 is accommodated in the wire groove, and the sleeve 35 is sleeved on the outer circumferential surface of the handle cover 33 to position the wire 53.

[0034] In other embodiments, the inner circumferential surface of the handle body 31 and / or the handle cover 33 is provided with a wire groove extending along the extension direction of the air inlet channel 301, and the wire 53 is clamped in the wire groove.

[0035] In other embodiments, the inner circumferential surface of the handle body 31 and / or the handle cover 33 is provided with a wire groove extending along the extension direction of the air inlet channel 301, and the wire 53 is clamped in the wire groove.

[0036] In the embodiment, the radial cross section of the handle body 31 is a semicircular ring, and the inner circumferential surface of the handle body 31 away from one end of the main shell 21 is provided with a positioning groove 312 extending along the circumferential direction of the handle body 31 and penetrating through the two side surfaces of the handle body 31, and the positioning groove 312 is used for positioning the fan assembly 60. The two side walls of the handle body 31 are respectively provided with a connecting hole 314. The end of the handle body 31 is provided with a tail frame 311, and the tail frame 311 is provided with an air inlet 315 communicating with the air inlet channel 301, i.e. the air inlet 315 is located at the end of the handle body 31 away from the shell 21. The side surface of the tail frame 311 facing the cover 33 is provided with a clamping hole 3110. The inner circumferential surface of the handle body 31 close to the shell 21 is provided with a first control switch 316 and a second control switch 317, the first control switch 316 is used for controlling the air volume of the fan assembly 60, and the second control switch 317 is used for controlling whether the electric heating assembly 80 is turned on to heat. The first control switch 316 and the second control switch 317 are respectively driven by a toggle key 318 to realize the operation of the first control switch 316 and the second control switch 317. Specifically, the outer circumferential surface of the handle body 31 is respectively provided with two mutually spaced guide sliding grooves 319 corresponding to the first control switch 316 and the second control switch 317, and the two toggle keys 318 are respectively inserted into the corresponding guide sliding grooves 319 and connected to the first control switch 316 and the second control switch 317.

[0037] As shown in Figure 10 Each toggle key 318 includes a toggle piece 3180, two spaced guide sliding hooks 3182 provided on one side surface of the toggle piece 3180, and an anti-skid strip 3184 provided on the opposite side surface of the toggle piece 3180. The two guide sliding hooks 3182 are respectively inserted into the two corresponding guide sliding grooves 319 of the handle body 31, so that the toggle key 318 is slidingly connected to the handle body 31 along the guide sliding groove 319, and the two toggle keys 318 are respectively connected to the first control switch 316 and the second control switch 317.

[0038] As shown in Figures 4 to 7As shown, the handle cover 33 has a structure similar to that of the handle body 31, specifically, the radial cross section of the handle cover 33 is a semi-circular ring, and the inner circumferential surface of the handle cover 33 is provided with a positioning groove 332 at the end away from the main housing 21, the positioning groove 332 extends along the circumferential direction of the handle cover 33 and penetrates through the two side surfaces of the handle cover 33, and the handle cover 33 is used for positioning the fan assembly 60. The two side walls of the handle cover 33 are respectively provided with through holes 334. The end of the handle cover 33 is provided with a tail frame 331, and the tail frame 331 is provided with an air inlet 335 communicating with the air inlet channel 301, that is, the air inlet 335 is located at the end of the handle cover 33 away from the housing 21. The side surface of the tail frame 331 facing the handle body 31 is provided with a clamping block 3310. The inner circumferential surface of the handle cover 33 is provided with two abutting pieces 336 near the housing 21, and the two abutting pieces 336 are used for abutting the first control switch 316 and the second control switch 317. Each abutting piece 336 is parallel to the extension direction of the air inlet channel 301, so as to reduce the obstruction of the abutting piece 336 to the airflow. In its embodiment, the abutting piece 336 can also be omitted, or a abutting needle is used instead of the abutting piece 336, so as to further reduce the obstruction to the airflow.

[0039] The circumferential wall of the sleeve 35 is provided with a guide groove 350 communicating with the inner cavity of the sleeve 35 corresponding to the knob 318, and the knob 318 can slide in the guide groove 350. The inner circumferential surface of the sleeve 35 is provided with a connecting ring 351 at the end away from the main housing 21, and the connecting ring 351 is provided with a clamping groove 352 along the circumferential direction thereof.

[0040] The handle 30 further comprises a tail cover 36, which is detachably connected to the end of the handle body 31 and / or the handle cover 33, and the tail cover 36 is provided with air permeable holes 360; when the tail cover 36 is connected to the handle body 31 and / or the handle cover 33, the air permeable holes 360 communicate with the air inlets 315, 335. Specifically, the tail cover 36 has a cylindrical structure, and the circumferential wall of the tail cover 36 is provided with a plurality of strip-shaped air permeable holes 360 arranged along the circumferential direction of the handle 30. Preferably, the air permeable holes 360 are uniformly and evenly spaced along the circumferential direction of the handle 30. The end surface of the tail cover 36 facing the handle body 31 is provided with a clamping strip 362 extending along the circumferential direction of the tail cover 36. The end of the tail cover 36 away from the clamping strip 362 is provided with a mounting hole 364, and the mounting hole 364 is used for fixing the charging connector 52.

[0041] Preferably, a detachable filter screen 37 is arranged between the tail cover 36 and the handle body 31 and / or the handle cover 33, and the filter screen 37 has a cylindrical structure. In this embodiment, the filter screen 37 is detachably arranged between the tail cover 36 and the tail frame 311 of the handle body 31 and the tail frame 311 of the handle cover 33. Figure 12 As shown, the end of the filter screen 37 is provided with a clamping groove, and the clamping groove is clamped in the tail cover 36, so that the filter screen 37 is positioned in the tail cover 36.

[0042] Please refer toFigures 6-7 and Figure 11 The fan assembly 60 includes a locating cylinder 62, a motor 64 arranged in the locating cylinder 62, and a fan blade 66 connected to the motor 64. When the locating cylinder 62 is clamped by the handle body 31 and the handle cover body 33, the rotation axis of the fan blade 66 is coaxial with the center line of the air inlet channel 301. The outer circumferential surface of the locating cylinder 62 is provided with a plurality of locating protrusions 67, which abut against the inner circumferential surface of the handle body 31 and the inner circumferential surface of the handle cover body 33, so as to position the fan assembly 60 in the handle 30.

[0043] As shown in Figure 6 and Figure 7 The charging battery assembly 50 further includes an electric core support 55 for mounting a plurality of charging batteries 51, which are arranged along the circumferential direction of the electric core support 55. The electric core support 55 includes a plurality of second support columns 551, which are in one-to-one correspondence with the plurality of first support columns 214 of the main housing 21. The end of each second support column 551 is provided with a fixing hole 5510 along the axial direction thereof. The main control board 56 is electrically connected to the charging batteries 51, the fan assembly 60, the charging connector 52, the first control switch 316, and the second control switch 317. The main control board 56 is used to control the charging of the charging batteries 51 and the rotation of the motor 64.

[0044] The electric heating assembly 80 is located at one end of the charging battery assembly 50. Specifically, the electric heating assembly 80 includes a heating wire support 81 connected to the electric core support 55 and a heating wire 83 wound on the heating wire support 81. The heating wire 83 is electrically connected to the main control board 56. The charging batteries 51 provide electric power for the motor 64, the heating wire 83, and the main control board 56.

[0045] Please refer to Figures 1 to 13When the wireless hair dryer 100 is assembled, the combination of the charging battery assembly 50 and the electric heating assembly 80 is placed in the air outlet passage 201 of the main housing 21, so that the second support columns 551 are one-to-one connected with the first support columns 214, and the fasteners such as the bolts are inserted into the connecting holes 2140 of the first support columns 214 and locked in the corresponding fixing holes 5510, so that the charging battery assembly 50 and the electric heating assembly 80 are fixed to the main housing 21. At this time, the electric heating assembly 80 is close to the air outlet 211 of the main housing 21, the charging battery assembly 50 and the main control board 56 are located at the end of the air outlet passage 201 away from the air outlet 211, and the end of the charging battery assembly 50 and the main control board 56 close to the electric heating assembly 80 is opposite to the air inlet passage 301; therefore, the airflow generated by the operation of the fan assembly 60 flows from the air inlet passage 301 into the air outlet passage 201, part of the airflow passes through the charging battery 51 and the main control board 56 and then passes through the electric heating assembly 80, and the other part of the airflow directly passes through the electric heating assembly 80 from the air inlet passage 301 and is discharged from the air outlet 211. The sealing ring 247 is sleeved on the positioning groove 246 of the rear cover 24, and the rear cover 24 is covered on the rear end of the main housing 21 until the flange 243 of the rear cover 24 abuts against the positioning strip 216, the fasteners are inserted into the countersunk holes 244 of the rear cover 24 and locked in the corresponding fixing holes of the battery support 55, so that the charging battery assembly 50 and the electric heating assembly 8 are firmly fixed in the main housing 21. The front shell 22 is installed on the front end of the main housing 21, specifically, the front shell 22 is sleeved on the snap ring 212 of the main housing 21, and the fasteners such as the bolts are inserted into the locking holes of the corresponding connecting columns 213 to fix the front shell 22 to the main housing 21.

[0046] The fan assembly 60 is installed to the handle 30, specifically, a part of the positioning cylinder 62 of the fan assembly 60 is accommodated in the positioning groove 312 of the handle body 31, then the handle cover 33 is buckled on the handle body 31, another part of the positioning cylinder 62 is accommodated in the positioning groove 332 of the handle cover 33, the clamping blocks 3310 of the tail frame 311 are clamped in the clamping holes 3110 of the tail frame 311 respectively, the plurality of locking members such as screws are inserted into the plurality of through holes 334 and locked in the corresponding connecting holes 314 respectively, so that the fan assembly 60 is clamped between the handle body 31 and the handle cover 33, the rotation axis of the fan blade 66 of the fan assembly 60 is collinear with the axis of the handle 30, that is, the center line of the air inlet channel 301 is collinear with the rotation axis of the fan blade 66, the abutting pieces 336 of the handle cover 33 abut the first control switch 316 and the second control switch 317 respectively. The wire 53 is accommodated in the wire groove 303 of the handle body 31, the sleeve 35 is sleeved outside the handle body 31 and the handle cover 33 until the guide groove 350 of the sleeve 35 is opposite to the guide sliding groove 319 of the handle body 31, the guide sliding hooks 3182 of the two toggle keys 318 are inserted into the corresponding guide sliding grooves 319 and connected to the first control switch 316 and the second control switch 317 respectively. The charging connector 52 is installed into the mounting hole 364 of the tail cover 36, and the filter screen 37 is attached to the inner circumferential surface of the tail cover 36. Then the tail cover 36 is connected to the tail end of the sleeve 35, specifically, the tail cover 36 is sleeved on the tail frames 311, 331, and the clamping strip 362 of the tail cover 36 is detachably clamped in the clamping groove 352 of the sleeve 35, at this time, the sleeve 35 is exposed outside the air inlet 315, the air permeable hole 360 of the tail cover 36, the through hole of the filter screen 37 and the air inlet 315 are communicated with each other.

[0047] As Figure 14As shown, when the wireless hair dryer 100 is used, the nozzle 70 is installed to the barrel 20, i.e. the second suction member 73 of the nozzle 70 is suction positioned to the first suction member 221 of the barrel 20, and the air passage hole 75 is communicated to the through hole 220 of the front shell 22. The toggle key 318 is operated to trigger the first control switch 316, which sends a signal to the main control board 56, which receives the signal and controls the motor 64 to work to drive the fan blade 66 to rotate, so that the air flow enters the air inlet passage 301 from the air permeable hole 360 of the tail cover 36 through the filter screen 37, and then is discharged from the air outlet 211 through the air outlet passage 201, the through hole 220 and the air outlet hole 75. When it is needed to adjust the air volume of the wireless hair dryer 100, the toggle key 318 is only needed to be slid to make the first control switch 316 connected to different gears, so as to control the power of the motor 64 through the main control board 56 to adjust the rotating speed of the fan blade 66, thereby realizing the adjustment of the air volume. When hot air is needed, the toggle key 318 is operated to trigger the second control switch 317, which sends a signal to the main control board 56, which receives the signal and controls the heating wire 83 to heat, so that the air flow exchanges heat with the heating wire 83 when passing through the heating wire 83, so that the wireless hair dryer 100 blows out hot air flow. In addition, the heating power of the heating wire 83 can also be adjusted by operating the second control switch 317 to meet the needs of users for hot air flow of different temperatures.

[0048] In the use of the wireless hair dryer 100, since a part of the air flow flowing from the air inlet passage 301 into the air outlet passage 201 passes through the charging battery 51 and the main control board 56, the heat generated by the charging battery 51 and the main control board 56 when working is dissipated in time by the air flow flowing from the air inlet passage 301 into the air outlet passage 201, so that the working of the wireless hair dryer 100 is more stable, and the charging battery 51 and the main control board 56 are prevented from being damaged due to high temperature, thereby improving the service life of the wireless hair dryer 100.

[0049] Preferably, the main control board 56 is further provided with a battery protection circuit module, which is used to effectively protect the charging battery 51 in the machine body 20, i.e. to prevent overcharging, over-discharging, over-current and short-circuit protection of the charging battery 51, etc.

[0050] Preferably, the wireless hair dryer 100 is further provided with a display module electrically connected to the main control board 56, which is used to display the working state of the wireless hair dryer 100, so that the user can know the working state of the wireless hair dryer 100 in time by observing the display module.

[0051] In other embodiments, the main shell 21 can also be a rectangular cavity, an oval cavity, a polygonal cavity, etc.

[0052] The above is the implementation of the embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements are also considered to be within the scope of the present application.

Claims

1. A cordless hair dryer, characterized by The fan includes a barrel, a handle connected to the barrel, a rechargeable battery assembly, and a fan assembly. The barrel is provided with an air outlet channel. The handle is provided with an air inlet channel communicating with the air outlet channel. The rechargeable battery assembly includes rechargeable batteries arranged in the barrel, a cell holder for mounting the rechargeable batteries, a charging connector provided at the end of the handle, and a wire connected between the rechargeable batteries and the charging connector. The rechargeable batteries are arranged along the circumference of the cell holder. The handle is provided with a wire groove in the peripheral wall, and the wire is accommodated in the wire groove. The fan assembly is arranged in the air inlet channel of the handle. The fan assembly works to make air flow into the air inlet channel and out of the barrel through the air outlet channel.

2. The wireless hair dryer of claim 1, wherein, The handle includes a handle body connected to the barrel, a handle cover detachably buckled to the handle body, and a sleeve arranged on the handle body and the handle cover. The fan assembly is clamped between the handle body and the handle cover. The wire is arranged between the sleeve and the handle body and / or the handle cover.

3. The wireless hair dryer of claim 2, wherein, The peripheral surface of the handle body and / or the handle cover is provided with a wire groove, and the wire is accommodated in the wire groove. The sleeve positions the wire.

4. The wireless hair dryer of claim 2, wherein, The handle further includes a tail cover provided with air permeable holes. The tail cover is detachably connected to the end of the handle body and the handle cover. The end of the handle body and / or the handle cover is provided with an air inlet. The air inlet is exposed outside the sleeve. The air permeable holes communicate with the air inlet.

5. The wireless hair dryer of claim 4, wherein, The tail cover and the handle body and / or the handle cover are provided with a detachable filter screen.

6. The wireless hair dryer of claim 2, wherein, The fan assembly includes a positioning cylinder, a motor arranged in the positioning cylinder, and a fan blade connected to the motor. The positioning cylinder is clamped by the handle body and the handle cover. The rotational axis of the fan blade is coaxial with the center line of the air inlet channel.

7. The wireless hair dryer of claim 6, wherein, The peripheral surface of the positioning cylinder is provided with a plurality of positioning protrusions. The positioning protrusions abut against the inner peripheral surface of the handle body and the inner peripheral surface of the handle cover.

8. The wireless hair dryer of claim 1, wherein, The rechargeable battery assembly is located at one end of the air outlet channel. At least part of the air flow out of the air inlet channel passes through the rechargeable battery assembly and then out of the barrel through the air outlet channel.

9. The wireless hair dryer of claim 8, wherein, The fan further includes an electric heating assembly arranged in the air outlet channel. The electric heating assembly is located at one end of the rechargeable battery assembly. The air flow after passing through the rechargeable battery assembly passes through the electric heating assembly and then out of the air outlet channel.

10. The wireless hair dryer of claim 1, wherein, The fan further includes a main control board arranged in the air outlet channel. The air flow generated by the operation of the fan assembly passes through the main control board and then out of the air outlet channel.

Images