EP3501330A1 - Structure améliorée pour sèche-cheveux - Google Patents

Structure améliorée pour sèche-cheveux Download PDF

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Publication number
EP3501330A1
EP3501330A1 EP16913395.6A EP16913395A EP3501330A1 EP 3501330 A1 EP3501330 A1 EP 3501330A1 EP 16913395 A EP16913395 A EP 16913395A EP 3501330 A1 EP3501330 A1 EP 3501330A1
Authority
EP
European Patent Office
Prior art keywords
device housing
housing part
central
inner sleeve
tapered inner
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP16913395.6A
Other languages
German (de)
English (en)
Other versions
EP3501330A4 (fr
Inventor
Shih-Ling Hsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3501330A1 publication Critical patent/EP3501330A1/fr
Publication of EP3501330A4 publication Critical patent/EP3501330A4/fr
Withdrawn legal-status Critical Current

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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
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • F26B23/06—Heating arrangements using electric heating resistance heating

Definitions

  • the present invention relates to an improved construction for hair dryers.
  • the hair dryer is a commonly used household product and its construction is quite simple.
  • a fan unit and a heating unit are arranged in the device body.
  • the ambient air outside the apparatus body can be sucked into the apparatus body in the form of an air flow by means of the fan unit, thus producing a forward air flow.
  • the forward air flow can be heated by means of the heating unit and thus converted into a hot air flow, then this is led out via the air outlet of the device body.
  • the fan unit of the conventional hair dryer must be powered by a standardized motor product, ie the fan impeller of the fan unit must be driven by a motor unit.
  • the outside ambient air can be introduced via the air inlet of the hair dryer in the form of an air flow in the interior of the hair dryer.
  • a heater may be disposed in front of the fan unit and the motor unit. In this way, the heated forward air flow can be led out through the air outlet of the hair dryer.
  • a heater is usually a conventional device such as heating resistor and mica heater used.
  • the internal structure of the conventional hair dryer can be seen that their design has changed little and is always the same, ie it must be a standardized motor used and the axis of the motor is connected to the fan of the fan unit. By such a design, the air supply function of the hair dryer can be easily achieved.
  • the forward-directed air flow led out by this method has a hot and dry temperature. In use, the upper layer of hair tends to become dry and hot, leaving the lower layer still wet. In use, there are still deficiencies.
  • An improved construction for hair dryers wherein the apparatus body of the hair dryer comprises: a front device housing part, one end of which is provided with a closed surface, wherein a central annular seat with a central air outlet at the location of the central axis of the closed surface of the front device housing part is provided, wherein a plurality of spaced air guide plates are arranged on the outer circumference of the central annular seat, wherein a plurality of swirl air outlets are formed between the air guide plates, wherein a peripheral wall from the outer periphery of the closed surface extending above, wherein an opening is formed at the end of the peripheral wall; a rear housing body portion, one end of which is provided with a closed surface, wherein a central annular wall is provided with a central air inlet at the location of the central axis of the closed surface, wherein a plurality of outer ring air inlets pass through the outer periphery of the central annular wall
  • the tapered inner sleeve, central tube, heater, power assembly, and fan wheel are inserted through the opening in the front device housing part, then the rear device housing opening is combined with the front device housing opening to cover it, with the central annular wall of the rear device housing part firmly against the second end of the central tube.
  • the air guide plates of the front device housing part each have a twisted, curved surface, whereby the inner air flow is converted into a forward-flowing fluidized air flow, wherein a straight SchuLitestrom and a circulating SchuLitestrom be blown through the fluidized air outlet.
  • a plurality of spaced-apart ribs extending from the closed surface of the front device housing portion to the opening of the front device housing portion, disposed on the peripheral wall of the front device housing part, wherein a front handle portion extends from the peripheral wall of the front device housing part to the outside.
  • a plurality of spaced radial rib plates are arranged on the inside of the closed surface of the rear device housing part, wherein the radial arrangement extends from the central annular wall outwardly to the peripheral wall of the rear device housing part, wherein a rear handle portion extends from the peripheral wall of the rear device housing part.
  • the flange of the tapered inner sleeve abuts the outer end of the ribs located in the front device housing part near the opening, and after insertion, a thermal insulation layer between the inner tapered sleeve and the peripheral wall of the front device housing part is provided, wherein a gap between the outer peripheral wall of the tapered inner sleeve and the ribs is provided, wherein an auxiliary part is arranged on the outer side of the notch recess of the tapered inner sleeve, wherein the auxiliary part for reinforced attachment of the tapered inner sleeve is used.
  • the heating unit a mica heater or heating resistor is used, and the inner space of the tapered inner sleeve surrounding the outer periphery of the heating unit serves as a heating layer.
  • one of the power assemblies of the power assembly is an annular coil winding, the other power accessory being a ring magnet, more specifically a magnetic ring.
  • the structural design of the front device body, the rear body, the inner liner, the center tube, the heater, the power assembly, and the fan are used as follows: the tapered inner sleeve, the center tube, the heater, the power assembly, and the fan Fan wheel are inserted through the opening of the front housing body part in the front part of the device housing, then the opening of the rear device housing part with the opening the front device housing part combined, thus covering them, wherein the central annular wall of the rear device housing part rests firmly on the second end of the central tube.
  • the fan wheel is driven by the power assembly for rotation so that an outside ambient air flow is sucked into the apparatus body and an internal air flow is generated in the hair dryer, said inner air flow is guided through the multi-guide ways constructive design of the device body, so that the In use, the hair dryer has improved penetrability, produces a stronger airflow, causes noise reduction and produces balanced cold and hot air, while effectively reducing the high internal temperature in the device body in a timely manner.
  • the present invention provides an improved construction for hair dryers.
  • the apparatus body 10 of the hair dryer comprises a front device housing part 1 and a rear device housing part 2, the two can be combined with each other to form an inner hollow body device 10, wherein a fan unit through which an external ambient air flow F sucked into the device body 10 and an internal air flow in the hair dryer is generated, and a heating unit 5 are housed in the device body, wherein the heating unit 5 can heat the cold air generated by the fan unit so that hot air is formed, then the hot air is blown through the air outlet of the device body 10.
  • One end of the front device housing part 1 is provided with a closed surface 11, wherein a central annular seat 111 is provided with a central air outlet 112 at the location of the central axis of the closed surface 11, wherein a plurality of spaced air guide plates 113 on the outer periphery of the central annular seat 111 are arranged, wherein the air guide plates 113 each have a twisted, curved surface, whereby vortex air outlets 114 are formed between the air guide plates 113, wherein a peripheral wall 13 extends from the outer periphery of the closed surface 11 upwards, wherein an opening 12 is formed at the end of the peripheral wall wherein a plurality of spaced ribs 131 extending from the closed surface 11 to the opening 12 are disposed on the peripheral wall 13 with a front grip portion 14 extending outwardly from the peripheral wall 13.
  • One end of the rear device housing part 2 is provided with a closed surface 21, wherein a central annular wall 211 with a central air inlet 212 at the location of the central axis of the closed surface 21 is provided, wherein a plurality of outer ring air inlets 213 pass through the outer periphery of the central annular wall 211, wherein a peripheral wall 23 extends from the outer periphery of the closed surface 21 upwards, wherein an opening 22 at the end of the peripheral wall 23 is formed, wherein a plurality of spaced radial rib plates 214 are arranged on the inside of the closed surface 21, wherein the radial arrangement extends from the central annular wall 211 outwardly to the peripheral wall 23, wherein a rear handle portion 24 extends from the peripheral wall 23.
  • a flange 31 extends from the end of the large opening to the outside, wherein a notch recess 32 is recessed from the flange 32 toward the other end, wherein an auxiliary part 33 is disposed on the outside of the notch recess 32, wherein the auxiliary part 33 for reinforced attachment of the tapered inner sleeve 3 is used.
  • the tapered inner sleeve 3 is inserted into the front device housing part 1, with the flange 31 of the tapered inner sleeve 3 abutting the outer end of the ribs 131 located in the front device housing part 1 in the vicinity of the opening 12.
  • a heat insulating layer 8 is provided between the tapered inner sleeve 3 and the peripheral wall 13 of the front device housing part 1, with a gap 81 provided between the outer peripheral wall of the tapered inner sleeve 3 and the ribs 131 (see FIG. Fig. 3 ).
  • the central tube 4 has a first end 41 and a second end 42, wherein a flow channel 43 passes through the interior of the central tube 4.
  • the central tube 4 is housed in the front device housing part 1, wherein the first end 41 of the central tube 4 rests against the central annular seat 111 of the front device housing part 1, wherein the central tube 4 within the tapered inner sleeve. 3 located.
  • the heating unit 5 a mica heater, heating resistor, etc. can be used.
  • the heating unit 5 surrounds the central tube 4 and is located within the tapered inner sleeve 3.
  • the interior of the tapered inner sleeve 3, which surrounds the outer periphery of the heating unit 5, serves as a heating layer.
  • the power assembly 6 is composed of power accessories 61, 62 and a bearing 63, wherein the power accessory 61 is an annular coil winding and the power accessory 62 is a ring magnet, more specifically a magnetic ring, with the power accessory 62 located on the outer periphery of the power accessory 61.
  • the fan unit is a fan 7 having a front-to-rear central axial bore 70, one end of the fan 7 having a blocking wall 71 whose diameter tapers inwardly, the outer periphery of the fan 7 having a plurality of spaced apart blades 72 is provided.
  • the power unit 6 is housed in the central axial bore 70 of the fan wheel 7, the bearing 63 of the power unit 6 abutting against the blocking wall 71 and being interposed between the central tube 4 and the fan wheel 7, with the above-mentioned power accessories 62 on the inner wall of the central axial bore 70 of the fan 7 is fixed, the other power accessory 61 is attached to the central tube 4, wherein a gap 64 is provided between the power accessories 61, 62, as in Fig. 5 shown.
  • the fan 7 is driven by the power assembly 6 for rotation such that an outside ambient air flow F is sucked into the apparatus body 10 and an inner air flow is generated in the hair dryer, said inner air flow is guided through the multiple guide ways having structural design of the present invention, so that the Hair dryer in use has an improved penetrating ability, generates a stronger air flow, causes a noise reduction and produces balanced cold and hot air, the high internal temperature in the device body 10 can be effectively reduced in time.
  • the forward-flowing swirl air flow of the present invention does not move straight forward and does not blow on the top layer of hair in a single straight direction but swirls forward, so that the invention achieves the function of penetrating the upper layer of hair and swirling penetration into the lower layer of the user's hair.
  • the improved permeability can accelerate the drying process of wet hair.
  • the internal heat can be dissipated in the apparatus body 10, wherein the other part of the outside ambient air flow F is introduced into the heating layer 9, ie the outside ambient air flow F circulates in the heating layer 9 located between the tapered inner sleeve 3 and the heating unit 5 thus forming a hot air flow D.
  • the hot air flow D is directed toward the closed face 11 of the front device housing part 1 and then through the fluidized air outlet 114, the forward flowing airflow through the twisted curved surface of the air guide plates 113 can be converted to a forwardly swirling airflow, with an approximately rectilinear flow Heating air flow A and a circulating heating air flow B are blown through the fluidized air outlet 114.
  • the condition is in Fig.
  • the heating air flow B circulates around the outer periphery of the device body 10 around and then goes back into the device body 10, wherein the SchuLitestrom B the mixed outdoor ambient air flow E entrains in the central air inlet 212 and the flow channel 43 of the device body 10, then a vortex air stream W is blown through the central air outlet 112.
  • the mixed fluidized air flow W therefore does not resemble the original hot air.
  • the vortex air stream W exhausted via the central air outlet 112 is used as an air flow to give the user a cooler and more comfortable feeling.
  • the guided through multiple routes forward airflow of the hair dryer can penetrate into the hair, so that the layered hair can be easily adjusted and dried.
  • the improved dryer construction of the present invention when used by the multiple-pass forwarded airflow, has improved penetrability, creates a stronger airflow, provides noise reduction, and produces balanced cold and hot air, with the high internal temperature in the apparatus body 10 being effective in a timely manner can be lowered.
  • the heating airflow B may be mixed with the outside ambient airflow E, such that the hair dryer has improved penetration capability in use and produces balanced cold and hot air. Due to the improved permeability, the drying process of the wet hair can be accelerated. Thanks to the function of mixing the heating air flow B and the outside ambient air flow E, the fluidizing air flow W used as the air flow can not be made to have a hot and dry temperature but an ideal cool temperature, so that the user feels comfortable during the blowing process is taught.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning And Drying Hair (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP16913395.6A 2016-08-19 2016-11-18 Structure améliorée pour sèche-cheveux Withdrawn EP3501330A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/242,409 US10485320B2 (en) 2016-08-19 2016-08-19 Hair dryer
PCT/CN2016/106320 WO2018032640A1 (fr) 2016-08-19 2016-11-18 Structure améliorée pour sèche-cheveux

Publications (2)

Publication Number Publication Date
EP3501330A1 true EP3501330A1 (fr) 2019-06-26
EP3501330A4 EP3501330A4 (fr) 2020-04-15

Family

ID=61190593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16913395.6A Withdrawn EP3501330A4 (fr) 2016-08-19 2016-11-18 Structure améliorée pour sèche-cheveux

Country Status (5)

Country Link
US (1) US10485320B2 (fr)
EP (1) EP3501330A4 (fr)
JP (1) JP2019524333A (fr)
CN (1) CN109640734A (fr)
WO (1) WO2018032640A1 (fr)

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Also Published As

Publication number Publication date
US10485320B2 (en) 2019-11-26
JP2019524333A (ja) 2019-09-05
EP3501330A4 (fr) 2020-04-15
CN109640734A (zh) 2019-04-16
US20180049532A1 (en) 2018-02-22
WO2018032640A1 (fr) 2018-02-22

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