CN218407846U - Hair drier - Google Patents

Hair drier Download PDF

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Publication number
CN218407846U
CN218407846U CN202222294209.6U CN202222294209U CN218407846U CN 218407846 U CN218407846 U CN 218407846U CN 202222294209 U CN202222294209 U CN 202222294209U CN 218407846 U CN218407846 U CN 218407846U
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China
Prior art keywords
motor
duct
wall
hair dryer
support ring
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CN202222294209.6U
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Chinese (zh)
Inventor
纪正干
上官云杰
王兜石
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Globe Jiangsu Co Ltd
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Globe Jiangsu Co Ltd
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Abstract

The utility model belongs to the technical field of garden instrument, concretely relates to hair-dryer, include: the air conditioner comprises a shell, a fan and a fan, wherein an air duct is formed inside the shell, and an air inlet and an air outlet of the air duct are formed on the surface of the shell; the duct is detachably arranged in the shell, a plurality of guide vanes are arranged along the circumferential direction of the inner wall of the duct, an installation seat is arranged in the duct, one end of each guide vane is connected with the inner wall of the duct, and the other end of each guide vane extends towards the center of the duct and is at least partially connected with the outer wall of the installation seat; the motor blade assembly is arranged in the duct and comprises a motor and blades, one end of the motor is rotatably connected with the blades through a rotating shaft, the other end of the motor is fixedly connected with the mounting seat, and the outer wall of the motor is exposed in the duct. The motor dispels the heat simultaneously from inside and outside both sides, very big promotion the radiating efficiency of motor to make the motor keep high load operation for a long time, improved the whole working property of hair-dryer.

Description

Hair drier
Technical Field
The utility model belongs to the technical field of garden instrument, concretely relates to hair-dryer.
Background
Axial compressor hair-dryer on the market generally adopts the design of fixed duct motor group, the duct generally includes outer tube and inner tube, the water conservancy diversion awl is connected to the play wind side of inner tube, the motor is installed in the inner tube, be about to the motor fix in inner tube and water conservancy diversion awl subassembly, form two inside and outside wind channels, inside wind channel dispels the heat to the motor, outside wind channel is used for realizing the function of blowing, however in hair-dryer working process, in case the electric current is higher, the motor heaies up too fast, will lead to the heat dissipation difficulty, lead to the machine to damage or stop the heat dissipation very easily, so the heat dispersion of motor has restricted the work efficiency of hair-dryer.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings in the prior art, an object of the present invention is to provide a hair dryer capable of improving heat dissipation performance of a motor and further improving work efficiency of the hair dryer.
To achieve the above and other related objects, the present invention provides a hair dryer, comprising:
the air conditioner comprises a shell, a fan and a fan, wherein an air duct is formed inside the shell, and an air inlet and an air outlet of the air duct are formed on the surface of the shell;
the duct is detachably installed in the shell, a plurality of guide vanes are arranged on the inner wall of the duct in the circumferential direction, an installation seat is arranged in the duct, one end of each guide vane is connected with the inner wall of the duct, and the other end of each guide vane extends towards the center of the duct and is at least partially connected with the outer wall of the installation seat;
the motor blade assembly is arranged in the duct and comprises a motor and blades, one end of the motor is rotatably connected with the blades through a rotating shaft, the other end of the motor is fixedly connected with the mounting seat, and the outer wall of the motor is exposed in the duct.
In an optional embodiment of the present invention, the end portion of the other end of the guide vane is connected to the mounting base, and the remaining portion of the other end of the guide vane is disposed at the periphery of the motor and a gap is provided between the motor and the guide vane.
In an optional embodiment of the present invention, the motor is an external rotor motor.
In an optional embodiment of the present invention, the guide vane is a non-planar structure, and the guide vane drives the air flow to generate circumferential deflection while flowing along the axial direction.
In an optional embodiment of the present invention, the front end of the motor is an open structure, the fan blade is installed at the front end of the motor, the rear end of the motor has a hollow rear end cap, and the rear end cap is fixedly connected to the mounting base.
The utility model discloses an optional embodiment, the fan blade includes wheel hub, support ring, main blade and vice blade, wheel hub is located the center of support ring, vice blade is located wheel hub with between the support ring, in order to connect wheel hub with the support ring, main blade is located on the outer wall of support ring, main blade with vice blade sets up a plurality ofly respectively, and follows respectively the circumference setting of support ring.
In an optional embodiment of the present invention, the wheel hub is connected to the rotating shaft of the motor, and the wheel hub, the auxiliary blade and the supporting ring cover the front end of the motor to form the front end cover of the motor.
In an optional embodiment of the present invention, the outer wall of the support ring has the same diameter as the outer wall of the motor.
In an optional embodiment of the present invention, the rear end of the mounting seat is provided with a flow guiding cone, and the tail of the flow guiding cone is provided with a through hole.
In an optional embodiment of the present invention, the guide cone is detachably connected to the mounting base.
Motor fan blade assembly motor fan blade assembly
In an optional embodiment of the present invention, the air inlet is formed at both sides and/or a bottom of the casing.
In an optional embodiment of the present invention, a control circuit board is disposed in the casing, and the control circuit board is electrically connected to the motor blade assembly.
In an optional embodiment of the present invention, a battery pack bin is disposed on the housing, a detachable battery pack is disposed in the battery pack bin, and the battery pack is electrically connected to the control circuit board.
The technical effects of the utility model lie in:
the utility model provides a what the inside closed mounting structure that is not used for holding the motor of duct replaced is a discoid mount pad to the inner of each stator forms the mounting groove of a fretwork, and when the motor was installed on the mount pad, the outer wall of motor was exposed in the duct through the gap between each stator, and the outside that makes the air current in the duct can follow the motor dispels the heat to the motor, and then improves the radiating efficiency of motor, promotes the performance and the life of hair-dryer.
The open front end and the rear end cap of fretwork can make the inside of motor form a runner that link up both ends around the motor, and this runner can be followed the motor and cooled off inside, further improves cooling efficiency.
The main leaf blade is used for producing the working air current of hair-dryer, and vice leaf blade then is used for producing the inside cooling air current of motor of flowing through, the utility model discloses an open front end housing design to the air current that produces through vice leaf blade cools off inside the motor, and the air current that cooperation main leaf blade produced cools off the motor from the outside of motor, has realized that the motor dispels the heat simultaneously from inside and outside both sides, very big promotion the radiating efficiency of motor, thereby make the motor can keep the high load operation for a long time, improved the whole working property of hair-dryer.
The utility model discloses owing to removed the inside closed mounting structure of duct, consequently reduced motor mounting structure's diameter, this makes under the certain circumstances of duct diameter, has bigger through-flow area between motor and the duct inner wall to the length of main fan blade can be done longer, has further promoted the working property of hair-dryer.
Drawings
Figure 1 is a perspective view of a hair dryer provided in an embodiment of the present invention;
figure 2 is a perspective cross-sectional view of a hair dryer provided in an embodiment of the present invention;
fig. 3 is a perspective view of an axial flow fan assembly provided by an embodiment of the present invention;
fig. 4 is a perspective cross-sectional view of an axial flow fan assembly provided by an embodiment of the present invention;
fig. 5 is an air flow distribution schematic diagram of an axial flow fan assembly provided by an embodiment of the present invention;
fig. 6 is an exploded view of an axial flow fan assembly provided by an embodiment of the present invention;
fig. 7 is an exploded view of an alternative perspective of an axial flow fan assembly provided by an embodiment of the present invention;
figure 8 is a perspective view of a duct provided by an embodiment of the present invention;
fig. 9 is a perspective view of a fan blade according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
The utility model discloses an in the expression, "front side", "front end", "rear side", "rear end" etc. are based on the general title of this area to the motor position to the description of fore-and-aft direction, and the one end of motor shaft output is the front end promptly, and the other end is the rear end, embodies the utility model discloses an in the concrete scheme be exactly that the air inlet side is the front end of motor, the air-out side is the rear end of motor.
Referring to fig. 1 to 9, the technical solution of the present invention will be described in detail below with reference to a hand-held hair dryer, it is understood that the present invention is not limited to the specific form of the hair dryer, for example, the hair dryer may be a backpack hair dryer.
Referring to fig. 1-9, a hand-held hair dryer includes a casing 10, a duct 20 and a motor blade assembly 30, and the specific structure thereof is as follows:
referring to fig. 2, an air duct is formed inside the casing 10, an air inlet 11 and an air outlet of the air duct are formed on the surface of the casing 10, and a cutting pipe 40 may be connected to the air outlet to extend the air outlet; in this embodiment, a handle portion is formed on the casing 10, for example, the handle portion may be formed by injection molding integrally with the casing 10, a necessary control device is provided on the handle portion, the control device may be, for example, a mechanical switch, such as a trigger, a button, or an electronic switch, such as a touch button, and these switches are connected to a control circuit board in the casing 10, and may be used to control, for example, start/stop of the blower, wind power, and the like. In a particular embodiment, the casing 10 can be assembled, for example, from two half-shells, which are symmetrical in structure, each of which is separately injection-moulded for the purpose of demoulding after moulding, and the handle portion can, for example, also be divided into two parts and located on each of the two half-shells.
Referring to fig. 3-8, the duct 20 is detachably installed in the air duct, a plurality of guide vanes 21 are arranged on an inner wall of the duct 20 and are inwardly suspended, each guide vane 21 is uniformly arranged along the circumferential direction of the duct 20, one end of each guide vane 21 is provided with an installation seat 22, and the installation seats 22 connect the guide vanes 21 into a whole; in this embodiment, the duct 20 is a one-piece molded structure, and the duct 20 may be integrally formed from a plastic or metal material, for example. It can be understood, the utility model provides a duct 20 is inside not to be used for holding the closed mounting structure of motor, the substitute is a discoid mount pad 22 to the inner of each stator 21 forms the mounting groove of a fretwork, when the motor is installed on mount pad 22, the outer wall of motor exposes in duct 20 through the gap between each stator 21, make the air current in duct 20 can dispel the heat to the motor from the outside of motor, and then improve the radiating efficiency of motor, promote the performance and the life of hair-dryer, in a specific embodiment, mount pad 22 passes through bolt 23 and is connected with the motor.
Referring to fig. 7 and 8, in an embodiment, the guide vane 21 may be curved into a spiral shape, for example, and it can be understood that the spiral guide vane 21 can deflect the airflow in the circumferential direction while flowing in the axial direction, so as to alleviate the turbulence at the air outlet side of the duct 20 and reduce the wind resistance and the noise.
Referring to fig. 3 to 9, the motor blade assembly 30 includes a motor 31 and a wind blade 32, the blade 32 is connected to a rotating shaft of the motor 31, the motor 31 is accommodated between the guide vanes 21, so that an outer wall of the motor 31 is exposed in the duct 20, and one end of the motor 31, which is far away from the blade 32, is fixedly connected to the mounting seat 23; a control circuit board is arranged in the casing 10 and electrically connected with the motor fan blade assembly 30.
Referring to fig. 3-9, in an embodiment, the front end of the motor 31 is an open structure, and the rear end of the motor 31 has a hollow rear end cover 311; it can be understood that the open front end and the hollow rear end cover 311 can form a flow channel through the front end and the rear end of the motor 31 inside the motor 31, and the flow channel can cool the motor from inside the motor 31, so as to further improve the cooling efficiency, as shown in fig. 4, a main flow channel W1 is shown by a line head, and a cooling flow channel W2 is shown by a dashed arrow.
Referring to fig. 9, the fan blade 32 includes a hub 321, a support ring 322, a main blade 323 and an auxiliary blade 324, the hub 321 is located in the center of the support ring 322, the auxiliary blade 324 is located between the hub 321 and the support ring 322 to connect the hub 321 and the support ring 322, the main blade 323 is located on the outer wall of the support ring 322, and the main blade 323 and the auxiliary blade 324 are respectively provided in plurality and are respectively arranged along the circumferential direction of the support ring 322 at intervals; the hub 321 is connected to a rotating shaft of the motor 31, and the hub 321, the auxiliary blade 324 and the support ring 322 cover the front end of the motor 31 to form a front end cover of the motor 31.
It can be understood, main fan blade 32 is used for producing the working air current of hair-dryer, and vice fan blade 32 then is used for producing the inside cooling air current of motor 31 of flowing through, the utility model discloses an open front end housing design to the air current that produces through vice fan blade 32 cools off motor 31 is inside, and the air current that cooperation main fan blade 32 produced cools off motor 31 from the outside of motor 31, has realized that the motor dispels the heat simultaneously from inside and outside both sides, very big promotion the radiating efficiency of motor, thereby make the motor can keep the high load operation for a long time, improved the whole working property of hair-dryer.
Referring to fig. 5, the outer wall of the support ring 322 is flush with the outer wall of the motor 31; it can be understood that the utility model discloses owing to removed duct 20 internally sealed mounting structure, consequently reduced motor mounting structure's diameter, this makes under the certain circumstances of duct 20 diameter, has bigger flow area between motor and the duct 20 inner wall to main fan blade 32's length can be done longer, has further promoted the working property of hair-dryer.
Referring to fig. 3-7, in an embodiment, a guiding cone 24 is disposed at a rear end of the mounting seat 23, and a through hole is disposed at a tail portion of the guiding cone 24. It can be understood that the guide cone 24 can prevent the blowing side of the motor from generating turbulence, and the air flow inside the motor 31 can be discharged from the through hole at the tail of the guide cone 24 to form an open inner and outer cooling flow channel, so as to avoid the accumulation of hot air.
Referring to fig. 3-7, the guiding cone 24 is detachably connected to the mounting seat 23. The front end of the guide cone 24 can be provided with an elastic buckle, for example, the mounting seat 23 can be provided with a clamping groove matched with the elastic buckle, and the elastic buckle can be clamped in the clamping groove in a deformation mode to realize relative fixation between the guide cone 24 and the mounting seat 23.
Referring to fig. 1 and 2, in the present embodiment, the air inlet 11 is formed at two sides and/or a bottom of the housing 10. It should be noted that the present invention is not limited to the specific form of the air inlet 11, for example, in other alternative embodiments of the present invention, the air inlet 11 may also be disposed at the end of the casing 10.
Referring to fig. 1 and 2, in the present embodiment, a battery pack bin 12 is disposed on the casing 10, a detachable battery pack is disposed in the battery pack bin 12, and the battery pack is electrically connected to the control circuit board. It will be appreciated that the battery pack compartment 12 is provided with the necessary electrical terminals which cooperate with the electrodes on the battery pack to provide electrical power, and that the battery pack compartment 12 may also be provided with locking structures, for example, to maintain the battery pack in an inserted position after insertion of the battery pack.
It will be appreciated that the present invention may also be applied to a backpack hair dryer, for example, and may further include a backpack battery pack, and the control circuit board may be electrically connected to the backpack battery pack, for example.
To sum up, the inside of the duct 20 of the present invention is not replaced by a closed installation structure for accommodating the motor, and a disc-shaped installation seat 23 is provided, and the inner end of each guide vane 21 forms a hollow installation groove, when the motor is installed on the installation seat 23, the outer wall of the motor is exposed in the duct 20 through the gap between the guide vanes 21, so that the airflow in the duct 20 can radiate the motor from the outside of the motor, thereby improving the heat radiation efficiency of the motor, and improving the performance and the service life of the hair dryer; the open front end and the hollow rear end cover 311 can enable the interior of the motor 31 to form a flow channel penetrating through the front end and the rear end of the motor 31, and the flow channel can cool the motor from the interior of the motor, so that the cooling efficiency is further improved; the main fan blade 32 is used for generating working airflow of the hair dryer, the auxiliary fan blade 32 is used for generating cooling airflow flowing through the inside of the motor 31, the utility model discloses an open front end cover design is adopted, the inside of the motor 31 is cooled through the airflow generated by the auxiliary fan blade 32, the airflow generated by the main fan blade 32 is matched to cool the motor 31 from the outside of the motor 31, the heat dissipation of the motor from the inner side and the outer side is realized, the heat dissipation efficiency of the motor is greatly improved, so that the motor can keep high-load operation for a long time, and the overall working performance of the hair dryer is improved; the utility model discloses owing to removed duct 20 inside closed's mounting structure, consequently reduced motor mounting structure's diameter, this makes under the certain circumstances of duct 20 diameter, has bigger through-flow area between motor and the 20 inner walls of duct to main fan blade 32's length can be done longer, has further promoted the working property of hair-dryer.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Reference throughout this specification to "one embodiment," "an embodiment," or "particular embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention, and not necessarily in all embodiments. Thus, respective appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It is to be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the present invention.
It will also be appreciated that one or more of the elements shown in the drawings/figures can also be implemented in a more separated or integrated manner, or even removed because it is not operational in certain circumstances or may be provided as useful in accordance with a particular application.
Additionally, any reference arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise expressly specified. Further, as used herein, the term "or" is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, "a," "an," and "the" include plural references unless otherwise indicated. Also, as used in the description herein and throughout the claims that follow, the meaning of "in \8230; includes" in 8230; and "on \8230; unless otherwise indicated.
The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As noted, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the invention and are to be included within the spirit and scope of the present invention.
The system and method have been described herein in general terms as providing details to facilitate the understanding of the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.
Thus, although the present invention has been described herein with reference to particular embodiments thereof, freedom of modification, various changes and substitutions are also within the foregoing disclosure, and it should be understood that in some instances some features of the present invention will be employed without a corresponding use of other features without departing from the scope and spirit of the present invention as set forth. Accordingly, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.

Claims (13)

1. A hair dryer, comprising:
a casing, an air channel is formed inside the casing, an air inlet and an air outlet of the air duct are formed on the surface of the shell;
the duct is detachably installed in the shell, a plurality of guide vanes are arranged on the inner wall of the duct in the circumferential direction, an installation seat is arranged in the duct, one end of each guide vane is connected with the inner wall of the duct, and the other end of each guide vane extends towards the center of the duct and is at least partially connected with the outer wall of the installation seat;
the motor blade assembly is arranged in the duct and comprises a motor and blades, one end of the motor is rotatably connected with the blades through a rotating shaft, the other end of the motor is fixedly connected with the mounting seat, and the outer wall of the motor is exposed in the duct.
2. The hair dryer of claim 1, wherein an end of the other end of the guide vane is connected to the mounting base, and a remaining portion of the other end of the guide vane is disposed on an outer periphery of the motor with a gap therebetween.
3. The blower of claim 2, wherein the motor is an external rotor motor.
4. The blower of claim 1, wherein the guide vane is a non-planar structure that produces circumferential deflection while entraining the airflow in an axial direction.
5. The hair dryer of claim 1, wherein the front end of the motor is of an open structure, the fan blade is mounted at the front end of the motor, the rear end of the motor is provided with a hollow rear end cover, and the rear end cover is fixedly connected with the mounting seat.
6. The hair dryer of claim 1, wherein the fan blades comprise a hub, a support ring, a main blade and an auxiliary blade, the hub is located in the center of the support ring, the auxiliary blade is located between the hub and the support ring to connect the hub and the support ring, the main blade is located on the outer wall of the support ring, and the main blade and the auxiliary blade are respectively provided in a plurality and are respectively arranged along the circumferential direction of the support ring.
7. The hair dryer of claim 6, wherein said hub is connected to a rotating shaft of said motor, and said hub, said secondary blades and said support ring are covered on a front end of said motor to form a front end cover of said motor.
8. The hair dryer of claim 6, wherein an outer wall of said support ring is the same diameter as an outer wall of said motor.
9. The hair dryer of claim 1, wherein a flow guiding cone is arranged at the rear end of the mounting seat, and a through hole is formed in the tail of the flow guiding cone.
10. The hair dryer of claim 9, wherein said deflector cone is removably attached to said mounting base.
11. The hair dryer of claim 1, wherein said air inlet is formed at both sides and/or bottom of said housing.
12. The hair dryer of claim 1, wherein a control circuit board is disposed within said housing, said control circuit board being electrically connected to said motor blade assembly.
13. The hair dryer of claim 12, wherein a battery pack bin is arranged on the housing, a detachable battery pack is arranged in the battery pack bin, and the battery pack is electrically connected with the control circuit board.
CN202222294209.6U 2022-08-29 2022-08-29 Hair drier Active CN218407846U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222294209.6U CN218407846U (en) 2022-08-29 2022-08-29 Hair drier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222294209.6U CN218407846U (en) 2022-08-29 2022-08-29 Hair drier

Publications (1)

Publication Number Publication Date
CN218407846U true CN218407846U (en) 2023-01-31

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CN202222294209.6U Active CN218407846U (en) 2022-08-29 2022-08-29 Hair drier

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Country Link
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