WO2020087706A1 - Dispositif de séchage de cheveux - Google Patents

Dispositif de séchage de cheveux Download PDF

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Publication number
WO2020087706A1
WO2020087706A1 PCT/CN2018/122859 CN2018122859W WO2020087706A1 WO 2020087706 A1 WO2020087706 A1 WO 2020087706A1 CN 2018122859 W CN2018122859 W CN 2018122859W WO 2020087706 A1 WO2020087706 A1 WO 2020087706A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
drying device
hair drying
outlet
tube body
Prior art date
Application number
PCT/CN2018/122859
Other languages
English (en)
Chinese (zh)
Inventor
陈旭
孟凡迪
Original Assignee
舒可士（深圳）科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 舒可士（深圳）科技有限公司 filed Critical 舒可士（深圳）科技有限公司
Publication of WO2020087706A1 publication Critical patent/WO2020087706A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans

Definitions

  • the present invention relates to the technical field of blowing equipment, and in particular to a hair drying device.
  • Hair drying equipment is mostly used for drying and shaping hair, and can also be used for other aspects of drying and art.
  • the hair drying equipment in the technology generally directly drives the fan blades to rotate by the motor.
  • the air can enter from the air inlet, and then blow out from the air outlet through the air cylinder to form an airflow, so as to achieve drying, Plastic surgery and other purposes.
  • the air output of the ordinary hair drying equipment in the prior art is basically equal to the air volume sucked into the hair drying equipment by the fan blades.
  • the power of the motor must be increased.
  • the technical problem to be solved by the present invention is to provide a hair drying device that can increase the air output without increasing the power of the motor, while reducing the volume of the hair drying device.
  • a hair drying device including:
  • a handle a first fluid inlet is provided on the handle;
  • the body includes a casing and a pipe body penetrating the casing, the casing is connected to the handle, and a first fluid is provided between the second open end of the pipe body and the casing An outlet, wherein the first fluid inlet communicates with the first fluid outlet to form a first fluid channel; the first open end of the tube body is provided with a second fluid inlet, and the second open end of the tube body is provided There is a second fluid outlet, the second fluid inlet and the first The two fluid outlets are connected to form a second fluid channel;
  • a fan assembly provided in the first fluid channel, for sucking a first fluid through the first fluid inlet into the first fluid channel;
  • An end cover is provided at the first open end of the tube body, and a first gap is provided between the first open end of the tube body, and the first gap constitutes the second fluid inlet;
  • an end cover is provided at the second open end of the tube body, and a second gap is provided between the second open end of the tube body, and the second gap constitutes the second fluid outlet;
  • end caps are provided on the first open end and the second open end of the tube body, and are respectively provided with a first gap and a second gap between the first open end and the second open end of the tube body A gap, the first gap constitutes the second fluid inlet, and the second gap constitutes the second fluid outlet.
  • the hair drying device of the present invention is provided with a separate first fluid channel and a second fluid channel, a fan assembly is provided in the first fluid channel, so that the air flow from the first fluid outlet faster Due to Bernoulli effect, the air flow in the second fluid channel can be guided to flow out from the second fluid outlet, which not only increases the total air volume, but also does not need to increase the power of the motor, which can save electrical energy;
  • the invention provides an end cover at the second fluid inlet and / or the second fluid outlet of the second fluid channel, which not only can ensure the normal air intake of the second fluid channel, but also the end cover can protect the inside of the second fluid channel, so Place other components in the second fluid channel to reduce the volume of the hair drying device.
  • FIG. 1 is a schematic diagram of the overall structure of a hair drying device according to an embodiment of the present invention
  • FIG. 2 is an overall cross-sectional view of a hair drying device according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of a body portion of a hair drying device according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a first part of a hair drying device according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a second part and a third part of a tube body of a hair drying device according to an embodiment of the present invention
  • FIG. 6 is a schematic structural view of a hair drying device according to an embodiment of the present invention with a tuyere
  • first fluid outlet; 223, second fluid outlet; 224 confluence outlet; 230, housing; 240, pipe body; 241, first part; 2412, first connection part; 242, second part; 243, first Three parts; 2432, inlet end; 2434, outlet end; 244, outer cylinder; 250, first end cap; 2502, connecting rib; 260, second seal; 270, second end cap; 2702, bottom face; 2704 , Side; 272, external part; 274, second connection part; 280, third seal;
  • FIG. 3 is designated as an abstract drawing.
  • the first embodiment of the present invention is: a hair drying device 10, which can be used for drying or shaping hair or other aspects.
  • the hair drying device 10 includes a handle 100 and a body 200, the handle 100 and the body 200 communicate with each other, the handle 100 is provided with a first fluid inlet 112, the body 200 is provided with a first fluid outlet 22, the first fluid inlet 112 communicates with the first fluid outlet 222 to form a first fluid channel 101.
  • the first fluid can enter the first fluid channel 101 from the first fluid inlet 112 on the handle 100 and flow out from the first fluid outlet 222 of the body 200.
  • the body 200 is further provided with a second fluid inlet 211 and a second fluid outlet 223 disposed adjacent to the first fluid outlet 222, the second fluid inlet 211 communicates with the second fluid outlet 223 to form a second fluid channel 201, The second fluid may enter the second fluid channel 201 from the second fluid inlet 211 and flow out from the second fluid outlet 223.
  • the handle 100 includes an outer shell 130 and a bottom shell 160, the top end of the shell 130 is connected to the body 200, the bottom end of the outer shell 130 is connected to the bottom shell 160, and the first fluid inlet 112 is provided at the bottom shell 160 on.
  • the first fluid inlet 112 includes a plurality of through holes, and the plurality of through holes are evenly distributed on the bottom case 160, and a filter 910 is provided inside the bottom case 160.
  • the connection between the housing 130 and the body 200 is provided with a first seal 150, which can ensure the tightness of the first fluid channel 101.
  • the extending direction of the body 200 and the handle 100 is substantially perpendicular.
  • the first fluid channel 101 includes two segments connected to each other, namely a first segment 103 and a second segment 105, and the outlet of the first segment 103 is The inlets of the second segment 105 are connected, the first segment 103 is located in the handle 100, the second segment 105 is located in the body 200, and the extending direction of the first segment 103 is substantially perpendicular to the extending direction of the second segment 105.
  • the first fluid channel 101 is provided with a fan assembly 400 for sucking the first fluid through the first fluid inlet 112 into the first fluid channel 101.
  • the fan assembly 400 is located in the first section 103 That is, the fan assembly 400 is located in the housing 130 of the handle 100.
  • the fan assembly 400 may also be disposed in the body 200.
  • the fan assembly 400 includes a motor 420, a fan 410, and a motor sleeve 430.
  • the motor sleeve 430 is sleeved outside the motor 420.
  • the motor sleeve 430 is in contact with the inner wall of the housing 130.
  • the motor 420 The power output end of is connected to the fan 410, and the motor 420 drives the fan 410 to rotate, drawing the first fluid into the handle 100 to accelerate, and ejecting the first fluid from the first fluid outlet 222 of the body 200.
  • the fan assembly 400 drives the airflow in the first fluid channel 101 to be ejected from the first fluid outlet 222 at a high speed, due to the Bernoulli effect, the high-speed airflow can drive the air at the adjacent second fluid outlet 223 to guide The second fluid in the second fluid channel 201 flows out, increasing the air volume.
  • the body 200 includes a housing 230 and a tube 240 disposed in the housing 230, the housing 230 and the tube 240 are both cylindrical, and the tube 240 and the shell
  • the body 230 is axially parallel, the first fluid channel 101 passes between the housing 230 and the tube body 240, and the second fluid channel 201 passes through the inside of the tube body 240.
  • the housing 230 is specifically cylindrical, and the housing 230 and the tube body 240 are coaxially disposed.
  • the second fluid channel 201 passes through the inside of the tube body 240; the first fluid channel 101 passes between the tube body 240 and the housing 230. That is, the first fluid channel 101 surrounds the periphery of the second fluid channel 201 in a ring shape.
  • the first fluid outlet 222 also surrounds the periphery of the second fluid outlet 223 in a ring shape.
  • the tube body 240 includes a first open end and a second open end, the first open end is an end near the handle 100, and the second open end is an end away from the handle 100.
  • the first fluid outlet 222 is disposed between the second open end of the tube body 240 and the housing 230, the second fluid inlet 211 is disposed on the first open end, and the second fluid outlet 223 is disposed on the second open end.
  • the tube body 240 includes a first part 241, a second part 242, and a third part 243, a first part 241, a second part 242, and a third Part 243 is coaxially arranged.
  • the first open end is provided on the first portion 241, and the second open end is provided on the third portion 243.
  • the first part 241, the second part 242, and the third part 243 may be integrally formed; the three parts may also be detachably connected; or the first part 241 and the second part 24 may be integrally formed, and the second part 242 It can be detachably connected to the third part 243; the second part 242 and the third part 243 can also be integrally formed, and the first part 241 and the second part 242 can be detachably connected.
  • the first part 241 is generally trumpet-shaped, and in this embodiment, the side wall of the first part 241 is curved, and the curved first part 241 can better guide the fluid along the side of the first part 241
  • the wall enters the inside of the first part 241.
  • the large end of the first part 241 is connected to one end of the housing 230, and a third seal 280 is provided between the large end of the first part 241 and the housing 230; the small end of the first part 241 is connected to the second part 2 42 .
  • the second part 242 is cylindrical, and the third part 243 includes an inlet end 2432 and an outlet end 243 4.
  • the inlet end 2432 is connected to the second part 242, the outlet end 2434 is the end away from the second part 242, and the first fluid outlet 222 is between the outlet end 2434 and the housing 230, and the port of the outlet end 2434 is larger than the inlet end 243 2 Port.
  • the distance between the outlet end 2434 and the housing 230 of the third part 243 is smaller than the distance between the inlet end 2432 and the housing 230, that is, the first fluid passage 101 becomes narrower at the first fluid outlet 222 .
  • the side wall of the third portion 243 gradually expands outward, that is, the portion of the first fluid passage 101 corresponding to the third portion 243 is As it gradually narrows, the flow rate of the first fluid in the first fluid passage 101 will also gradually increase, and it reaches the maximum at the outlet end 2434 of the third portion 243.
  • the third portion 243 is of a trumpet shape, the side wall of the third portion 243 is inclined with respect to the axis of the tube body 240, and the inclination angle is 0-90. It can be understood that the inclination angle is the angle between the side wall of the third portion 243 and the axis of the tube 240.
  • the range of the inclination angle is 10-60.
  • the body 200 of the hair drying device 10 does not need to be made very long, so that the distance between the outlet end 2434 and the housing 230 can be reduced to an appropriate
  • the range can not only allow a larger fluid flow between the outlet end 2434 and the housing 230, but also enable the fluid to have a higher flow rate.
  • 20 °, 30 °, and 40 can be specifically selected. Or 50.
  • the specific setting is 45. .
  • the third portion 243 may also have a structure in which the side wall has undulations, that is, the side wall of the third portion 243 may be an irregular structure with depressions or protrusions, the first fluid channel 101 and the third portion
  • the inner diameter of the portion corresponding to 243 may first become larger and then smaller, and finally becomes the smallest at the outlet end 2434.
  • the third portion 243 is connected to the inner side of the housing 230 through the outer cylindrical portion 244, the outer cylindrical portion 244 is ring-shaped, the outer side wall of the outer cylindrical portion 244 abuts the inner side of the housing 230, and the inner wall of the outer cylindrical portion 244 is opposite to
  • the axis of the tube body 240 is inclined, and the inclined direction of the inner wall of the outer cylindrical portion 244 is opposite to the inclined direction of the side wall of the third portion 243.
  • the first fluid in the first fluid passage 101 flows out between the outer cylindrical portion 244 and the third portion 243, and the inclination of the inner wall of the outer cylindrical portion 244 can exacerbate the reduced speed of the first fluid passage 101.
  • the shape of the first fluid outlet 222 is ring-shaped, and the width of the first fluid outlet 222 is 1.5-4 mm.
  • the width of the first fluid outlet 222 may be 2 mm, 2.5 mm, 3 mm, 3.5 mm, and other sizes.
  • the width of the first fluid outlet 222 is the distance between the outlet end 2434 and the housing 230.
  • the end cap includes a first end cap 250, and the first end cap 250 is disposed at the first open end of the tube body 240 (that is, the first portion 241 At the opening end), and a first gap is provided between the periphery of the first end cap 250 and the first opening end of the tube 240, and the first gap constitutes the second fluid inlet 211.
  • the setting of the first end cap 250 not only does not affect the normal air intake of the second fluid channel 201, but also can protect the inside of the second fluid channel 201, so other components (such as a high-pressure control part, etc.) can be disposed in the second fluid In the channel 201, the volume of the hair drying device 10 is reduced.
  • the shape of the second fluid inlet 211 is a ring shape, and the width of the second fluid inlet 211 is 1 to 6 mm.
  • the width of the second fluid inlet 211 here refers to the distance between the first portion 241 and the first end cap 250. When the width of the second fluid inlet 211 is within this range, it can be ensured that the second fluid can enter the second fluid channel 201 from the second fluid inlet 211 at the optimized flow rate and flow rate.
  • the width of the second fluid inlet 211 may be 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, etc.
  • a first connecting portion 2412 is provided inside the first portion 241, and the first end cap 250 is connected to the first portion 241 through the first connecting portion 2412.
  • the first end cap 250 and the first connecting portion 2412 are connected by a snap.
  • the first end cap 250 and the first connecting portion 2412 may be screwed or fixedly connected .
  • the periphery of the first end cap 250 is also provided with a plurality of connecting ribs 2502.
  • the plurality of connecting ribs 2502 are in contact with the first portion 241.
  • the plurality of connecting ribs 2502 are located at the second fluid inlet 211, which can block debris from entering the first Two fluid channels 201.
  • the end cover includes a second end cover 270, the second end cover 270 is provided at the outlet end 2434 of the third portion 243, and the second end A second gap is provided between the cover 270 and the outlet end 2434 of the third portion 243, and the second gap constitutes a second fluid outlet 223.
  • the shape of the second fluid outlet 223 is ring-shaped, and the width of the second fluid outlet 223 is 1-6 mm. When the width of the second fluid outlet 223 is within this range, it can be ensured that the second fluid in the second fluid channel 201 flows out of the second fluid outlet 223 at the optimized flow rate and flow rate.
  • the width of the second fluid outlet 223 may be 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm and other sizes.
  • the width of the second fluid outlet 223 is the distance between the outlet end 2434 of the third portion 243 and the second end cap 270.
  • the second end cap 270 may be bowl-shaped, conical, hemispherical, semi-ellipsoidal or other similar with a concave in the middle The recessed shape, and the middle of the second end cap 270 is recessed toward the inside of the housing 230.
  • the second end cap 270 can better guide the second fluid in the second fluid channel 201 to flow out of the body 200 along the second end cap 270.
  • the second end cap 270 is bowl-shaped.
  • the second end cap 270 has a bottom surface 2702 and a side surface 2704 extending around the bottom surface 2702.
  • the bottom surface 2702 is disposed perpendicular to the axis of the third portion 243, and the area of the bottom surface 2702 is less than The port area of the outlet end 2434 of the third portion 243.
  • the side 2704 of the second end cap 270 has an included angle with the axis of the tube 240, and the included angle is 0-90 °. Further, the range of the included angle is 10-60 °. When the included angle is set within this range, the width of the second fluid outlet 223 can be reduced to a suitable range without making the depression of the second end cap 270 deep.
  • the inclined side surface 2704 can have a better drainage effect on the second fluid, so that the second fluid flows out of the second fluid channel 201 along the side surface 2704.
  • the angle between the side 2704 of the second end cap 270 and the axis of the tube 240 is greater than or equal to the inclination angle of the side wall of the third portion 243, that is, the inclination of the side 2 704 of the second end cap 270 is greater than or equal to the first The slope of the side wall of the three parts 243.
  • the angle between the side surface 2704 of the second end cap 270 and the axis of the tube body 240 is specifically set to 45 °.
  • the second fluid in the second fluid channel 201 passes between the side surface 2704 of the second end cap 270 and the side wall of the third portion 243, and finally flows out from the second fluid outlet 223.
  • the end cap includes a first end cap 250 and a second end cap 270, the first end cap
  • the 250 is provided at the first open end of the tube body 240, and a first gap is provided between the first open end of the tube body 240, the first gap constitutes a second fluid inlet 211; the second end cap 270 is provided at the tube body 240 And a second gap between the second open end of the tube 240 and the second open end of the tube 240, the second gap constitutes a second fluid outlet 223.
  • the first end cap 250 and the second end cap 270 simultaneously protect the rear ends of the second fluid channel 201.
  • a heater 300 is provided in the first fluid channel 101, and the heater 300 can heat the first fluid in the first fluid channel 101 to change the first fluid exiting the first fluid outlet 222 It is a hot fluid.
  • a controller 500 is provided in the second fluid channel 201, and the controller 500 can control the operation of the heater 300. Setting the controller 500 in the second fluid channel 201 can further reduce the volume of the handle 100, and the presence of the first end cap 250 and the second end cap 270 can protect the controller 500 without affecting the first The normal flow of the second fluid in the two-fluid channel 201.
  • the body 200 further includes a second connecting portion 274 and an external portion 272, the external portion 272 is connected to the housing 230, specifically , The external portion 272 is connected to the housing 230 A second seal 260 is provided between the outer portion 272 and the housing 230; the second end cap 270 is located in the outer portion 272, and the second end cap 270 is connected to the outer portion 272 through the second connecting portion 274.
  • the second end cap 270, the second connecting portion 274, and the outer portion 272 are integrally formed.
  • the three may also be independent of each other.
  • a third gap is provided between the outer portion 272 and the second end cap 270.
  • the third gap constitutes a confluent outlet 224, which is used to supply the first fluid in the first fluid channel 101 and the second fluid channel 201
  • the second fluid inside merges and flows out.
  • the shape of the confluence outlet 224 is ring-shaped, the width of the confluence outlet 224 is 1.5-6.5 mm, and when the width of the confluence outlet 224 is set within this range, the flow and velocity at the confluence outlet 224 can be optimized.
  • the width of the bus outlet 224 may be 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm and other sizes.
  • the width of the confluent outlet 224 is greater than the width of the first fluid outlet 222, less than or equal to the sum of the width of the first fluid outlet 222 and the width of the second fluid outlet 223.
  • the width of the first fluid outlet 222 is 2 mm
  • the width of the second fluid outlet 223 is 4 mm
  • the width of the confluent outlet 224 is 5 mm.
  • the hair drying device 10 may further include an air nozzle 900, and the user may install the air nozzle 900 according to needs or not according to needs.
  • the air nozzle 900 is detachably connected to the body 200.
  • the hair drying device 10 provided by the present invention has a simple structure, which can not only increase the total air volume, but also does not need to increase the power of the motor 420, which can save electrical energy; in addition, the end cover is arranged not only to ensure the second fluid
  • the normal inlet and outlet air of the channel 201 can also protect the inside of the second fluid channel 201, so other components can be disposed in the second fluid channel 201 to reduce the volume of the hair drying device 10.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Cleaning And Drying Hair (AREA)

Abstract

L'invention concerne un dispositif de séchage de cheveux (10) qui comprend une poignée (100), une partie de corps (200), un ensemble ventilateur (400) et des capuchons d'extrémité (250, 270). Une première entrée de flux d'air (112) est disposée au niveau de la poignée (100). La partie de corps (200) comprend un boîtier (230) et un élément tubulaire (240) inséré dans boîtier (230). Le boîtier (230) est relié à la poignée (100). Une première sortie de flux d'air (222) est située entre une seconde extrémité d'ouverture de l'élément tubulaire (240) et le boîtier (230). La première entrée de flux d'air (112) et la première sortie de flux d'air (222) communiquent l'une avec l'autre pour former un premier canal de flux d'air (101). Une seconde entrée de flux d'air (211) est située au niveau d'une première extrémité d'ouverture de l'élément tubulaire (240). Une seconde sortie de flux d'air (223) est disposée au niveau de la seconde extrémité d'ouverture de l'élément tubulaire (240). La seconde entrée de flux d'air (211) et la seconde sortie de flux d'air (223) communiquent l'une avec l'autre pour former un second canal de flux d'air (201). L'ensemble ventilateur (400) est disposé dans le premier canal de flux d'air (101). Les capuchons d'extrémité (250, 270) sont disposés au niveau de la première extrémité d'ouverture et/ou de la seconde extrémité d'ouverture de l'élément tubulaire (240). Un premier espace et un second espace sont respectivement agencés entre les capuchons d'extrémité et la première extrémité d'ouverture et la seconde extrémité d'ouverture de l'élément tubulaire (240). Le premier espace constitue la seconde entrée de flux d'air (211). Le second espace constitue la seconde sortie de flux d'air (223).
PCT/CN2018/122859 2018-10-31 2018-12-21 Dispositif de séchage de cheveux WO2020087706A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811288674.0 2018-10-31
CN201811288674.0A CN109156966A (zh) 2018-10-31 2018-10-31 毛发干燥装置

Publications (1)

Publication Number Publication Date
WO2020087706A1 true WO2020087706A1 (fr) 2020-05-07

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CN109998258A (zh) * 2019-05-16 2019-07-12 上海飞科电器股份有限公司 电吹风
CN111336123A (zh) * 2020-04-03 2020-06-26 广东省无叶科技有限公司 空气放大式吹风机

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CN107259762A (zh) * 2017-08-11 2017-10-20 浙江金达电机电器有限公司 大风量吹风机
CN207461647U (zh) * 2017-11-24 2018-06-08 廖伟彬 一种降噪音的家用吹风机
CN108175169A (zh) * 2018-02-26 2018-06-19 深圳科利电器有限公司 一种可吸入水份的吹风机
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Publication number Priority date Publication date Assignee Title
US20030150126A1 (en) * 2002-02-12 2003-08-14 Timothy Chang Device for introduction of a substance into a propelled fluid
CN104420432A (zh) * 2013-08-28 2015-03-18 苏州宝时得电动工具有限公司 吹风装置
CN205250656U (zh) * 2014-12-16 2016-05-25 戴森技术有限公司 手持式器具
CN206428629U (zh) * 2015-10-22 2017-08-22 苏州宝时得电动工具有限公司 吹风机
CN108175168A (zh) * 2018-02-05 2018-06-19 深圳市边锋智驱科技有限公司 一种吹风机

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