CN111407059A - Hand-held hair drier - Google Patents
Hand-held hair drier Download PDFInfo
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- CN111407059A CN111407059A CN202010213724.XA CN202010213724A CN111407059A CN 111407059 A CN111407059 A CN 111407059A CN 202010213724 A CN202010213724 A CN 202010213724A CN 111407059 A CN111407059 A CN 111407059A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 91
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000007142 ring opening reaction Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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Classifications
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- 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
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- 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
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- Cleaning And Drying Hair (AREA)
Abstract
The invention relates to a handheld blower, which is designed for solving the technical problems of inconvenient production and assembly of an air duct structure and poor firmness and stability caused by poor structural design of the conventional like products. The key point is that a circuit board assembly is arranged at one end of a heating frame of the hair drier, a display screen is arranged on a circuit board of the circuit board assembly, a second sealing ring is arranged on the outer diameter of a display cover above the display screen, and keys of the display cover extend out of key holes of a rear cover shell and a rear cover shell; the air inlet hole at one side of the inner sleeve and the air drum shell is communicated with the air inlet hole in the handle shell, one side of the air inlet hole of the inner sleeve and the air drum shell is fixed on the inner shell of the handle shell through screws, the handle shell is sleeved and fixed on the inner shell, and the inner shell is provided with a motor fan assembly; the electronic component of the circuit board assembly in the inner sleeve is positioned on one side of the heating frame in the air sleeve, the column base on one side of the heating cylinder extends out of the circuit board and is sleeved in the column sleeve on one side of the display sleeve, the electronic component, the heating frame and the column sleeve are connected into a whole, and a first sealing ring is arranged at the opening of the heating cylinder on one side of the circuit board of the heating frame.
Description
Technical Field
The invention relates to a hair drier, in particular to a handheld hair drier.
Background
The hair drier, also called as hair drier, is a hairdressing tool for drying hair by enhancing instant ventilation effect through a fan, and the air outlet effect comprises hot air outlet after being heated by an electric heating wire and cold air outlet without being heated. Some existing hair dryers are convenient to carry and small in size, and the fan structure is arranged in the handle; such as application No. 201910767696.3, application publication No. 2019.12.06, entitled "hand-held implement", which is disclosed in chinese patent document; application No. 201910866038.X, application publication No. 2019.11.22, entitled "hand-held hair dryer", disclosed in chinese patent literature; application No. 201910103449.3, published as 2019.04.30, published in chinese patent literature entitled "blower"; the invention discloses an application number 201810864146.9 in Chinese patent literature, application publication 2018.12.11 and the name of a hair dryer. But the dryer structural design of above-mentioned product and similar product is not good enough, and the production assembly is comparatively inconvenient, and the difficult integrative assembly of working of plastics and circuit spare is separately assembled, and the air outlet loading and unloading is comparatively inconvenient.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a handheld blower for the field, so that the technical problems of inconvenience in production and assembly of an air duct structure and poor firmness and stability caused by poor structural design of the existing similar products are solved. The purpose is realized by the following technical scheme.
A hand-held hair drier, the handle shell, air inlet cover, air duct shell and back cover shell of the hair drier form the body, the inner shell in the handle shell has assembly of the electric machine fan, there are buttons on one side of the handle shell, there are inner skleeves in the air duct shell, there are heating racks and circuit board assemblies in the inner skleeve; the structure design key points are that one end of the heating frame is provided with a circuit board component, the other end of the heating frame is sleeved into the inner sleeve towards the air outlet, the air outlet of the inner sleeve is provided with an air outlet nozzle, the circuit board of the circuit board component is provided with a display screen, a display cover is arranged above the display screen, the outer diameter of the display cover is provided with a second sealing ring, the display cover is sealed by the second sealing ring and is fixed in the rear cover shell in a buckling way, or the display cover is sealed in the inner sleeve through a second sealing ring, one side of the display cover is provided with a key, the key corresponds to the key switch of the circuit board, the key extends out of the key holes of the rear cover shell and the rear cover, a round display window protruding in the middle of the display cover extends out of the central hole of the rear cover, the key holes are respectively arranged on the outer rings of the center sides of the rear cover shell, the rear cover shell and the display cover, and the rear cover shell are buckled and connected into a whole; the air inlet hole at one side of the inner sleeve and the air drum shell is communicated with the air inlet hole in the handle shell, one side of the air inlet hole of the inner sleeve and the air drum shell is fixed on the inner shell of the handle shell through screws, a sealing gasket is arranged at the fixing position, and the handle shell is sleeved and fixed on the inner shell; the electronic component of the circuit board assembly in the inner sleeve is positioned on one side of the heating frame in the air sleeve, a column base on one side of the heating cylinder of the heating frame is inserted into the circuit board fixed on the circuit board assembly, the column base extending out of the circuit board is sleeved into the column sleeve on one side of the display sleeve, the heating frame and the circuit board assembly are connected into a whole, and a first sealing ring is arranged at a cylinder opening of the heating cylinder on one side of the circuit board of the heating frame. The heating frame and the circuit board assembly are connected into a whole and fixed in the rear cover assembly with the display cover, the rear cover shell and the rear cover integrated, so that the assembly of the air duct assembly is facilitated; the heating frame and the circuit board assembly are arranged in the inner sleeve of the air duct casing, so that the heat insulation effect of the air duct assembly is ensured.
The outer diameters of two ends of the inner sleeve are respectively provided with a raised outer ring diameter and a sealing rib, one side of the peripheral surface of the inner sleeve is provided with a guide groove, the guide groove of the inner sleeve is inserted into an inner rib with a raised inner diameter of the air duct shell, the outer ring diameter and the sealing rib of the inner sleeve are abutted against the inner diameter of the air duct shell, the sealing rib of the inner sleeve is buckled with an inner buckling rib of the air duct shell, and the inner buckling rib is arranged at the inner diameter of a rear section opening of the inner sleeve; the outer diameter of the cylinder opening of the inner sleeve is provided with a cylinder tooth rib groove, and the cylinder tooth rib groove of the inner sleeve is screwed and fixed with the cover tooth rib groove of the rear cover shell. So that the inner sleeve and the air duct shell are buckled and connected into a whole.
The inner wall of the air duct shell is provided with an inner buckling rib, and the outer ring diameter of the inner sleeve is buckled with the inner buckling rib of the air duct shell. Thereby the inner sleeve and the air duct shell are further buckled and connected into a whole.
The air outlet of inner skleeve one side nozzle is equipped with preceding magnetic ring, preceding magnetic ring centre gripping is fixed in air outlet department between dryer shell and the inner skleeve, inner skleeve one side bottom of preceding magnetic ring is equipped with preceding packing ring and preceding circle frame, air outlet one side of preceding magnetic ring is equipped with bellied inner ring, the diameter of inner ring is less than the diameter of bottom circle, the external diameter is equipped with the step groove between preceding magnetic ring inner ring and the bottom circle, the inner ring of preceding magnetic ring stretches out the air outlet internal diameter of dryer shell, dryer shell one side nozzle of air outlet is equipped with iron ring or magnetic ring, the inner ring top of preceding magnetic ring is equipped with the circle groove that the equidistance distributes. Thereby be convenient for preceding magnetic ring to be fixed in the air outlet between air duct shell and the inner skleeve, the air outlet nozzle adsorbs the air outlet of being fixed in this hair-dryer through preceding magnetic ring.
The air outlet nozzle comprises an inner nozzle shell and an outer nozzle shell, wherein an outer tooth rib is arranged on the outer diameter of a conical cavity ring opening of the inner nozzle shell, an L-shaped raised outer guide rib is arranged between a conical cavity and a waist-shaped cavity of the outer nozzle shell, an inner tooth rib is arranged on the inner diameter of the conical cavity ring opening of the outer nozzle shell, a raised inner convex groove is arranged between the conical cavity and the waist-shaped cavity of the inner diameter of the outer nozzle shell, the inner nozzle shell is sleeved with the outer nozzle shell, the outer guide rib of the inner nozzle shell is inserted into the inner convex groove of the outer nozzle shell, the outer tooth rib of the inner nozzle shell is buckled with the outer tooth rib of the outer nozzle shell, the inner nozzle shell is an iron inner nozzle shell and is adsorbed and fixed to an air outlet of the air duct shell through a front magnetic ring, or the inner nozzle shell is a plastic inner nozzle shell, a magnet is arranged at a shell opening of the inner nozzle shell, and is adsorbed and fixed to the front magnetic ring of the air duct shell through the magnet, the concrete structure of the air outlet nozzle.
The outer nozzle shell is characterized in that a protruding block is arranged on the inner wall of a conical cavity of the outer nozzle shell, the protruding block of the outer nozzle shell abuts against the outer diameter of the inner nozzle shell, a flanging is arranged on a ring opening of the conical cavity of the inner nozzle shell, a ring hole of the ring is formed in the diameter of the flanging, a magnet is arranged in the ring hole of the ring of the inner nozzle shell, the magnet of the inner nozzle shell is aligned with and adsorbed fixedly by a front magnetic ring of an inner sleeve, and a cylinder ring hole is formed in the inner diameter of the front magnetic ring of the inner sleeve. Thereby further improving the heat insulation and ventilation effects of the air outlet nozzle.
The button is the arc and is equipped with three touch-control point including touch control piece, key seat and button cover, and the touch control piece sets up the key switch of circuit board on the circuit board subassembly, and the key seat sets up in the button hole that shows the cover, and the button cover merges the button hole that stretches out back lid shell and back housing with the key seat cover. The above is the specific structure of the key.
The heating frame includes cartridge heater and heating plate, and the external diameter of cartridge heater is equipped with bellied slice groove piece, and the air outlet one end nozzle of cartridge heater is equipped with open-ended inserted sheet groove, and the heating plate is the L font, and the one end of heating plate is inserted the slice groove piece that is fixed in the cartridge heater, and the other end bending of heating plate inserts the inserted sheet groove of being fixed in the cartridge heater, and the heating plate is vertical even equidistance distribution and sets up global in the one end external diameter of cartridge heater, and the heating plate is the mica sheet, the aforesaid is the concrete structure of heating frame.
The column base of the heating frame is symmetrically arranged on the outer diameter of the opening of the heating cylinder in a pairwise manner, the column base of the heating frame penetrates through a circuit board of the circuit board assembly and is inserted into a column sleeve on one side of the display cover, auxiliary columns symmetrically arranged are arranged between the column bases on one side of the heating frame and are aligned with the opening of the heating cylinder, the auxiliary columns on one side of the column base are fixed on the circuit board of the circuit board assembly through screws, and the auxiliary columns of the heating cylinder are symmetrically arranged on the inner diameter of the other opening of the heating cylinder. The auxiliary foot on the other side is fixed in the inner foot groove of the air outlet of the air duct shell through a screw, the foot groove of the air duct shell is arranged on the outer diameter of the central cavity groove, and the inner nozzle cover is arranged in the central cavity groove of the air duct shell on the air outlet side.
The rear cover shell omits a rear cover, and the rear cover shell and the rear cover are integrally injection-molded.
The invention has reasonable structural design, convenient production and assembly, good stability, safety and firmness and good heat dissipation and insulation effects; the air duct is suitable for being used as an air duct of a similar hair dryer and the structural improvement of a similar product.
Drawings
Fig. 1 is a schematic view of an explosion structure in an air duct casing according to an embodiment of the present invention, wherein a framed part is enlarged.
Fig. 2 is a schematic diagram of an explosion structure in the air duct shell of fig. 1.
Fig. 3 is a schematic perspective view of the first embodiment of fig. 1.
Fig. 4 is a schematic perspective view of fig. 1.
Fig. 5 is a first schematic sectional view of fig. 4.
Fig. 6 is a schematic sectional structure diagram ii of fig. 4.
Fig. 7 is a schematic view of the internal structure of the wind sleeve of fig. 4.
Fig. 8 is a schematic view of the connection structure of the circuit board assembly and the heating rack of fig. 1.
Figure number and name: 1. the air inlet device comprises a handle shell, 2, an air inlet cover, 3, an outlet sleeve, 4, an outer nozzle shell, 401, an inner tooth rib, 402, an inner convex groove, 5, an inner nozzle shell, 501, an outer tooth rib, 502, an outer guide rib, 6, an air duct shell, 601, an inner buckling rib, 7, a front magnetic ring, 8, a front gasket, 9, a front ring frame, 10, an inner nozzle cover, 11, an inner sleeve, 1101, an outer ring diameter, 1102, a sealing rib, 1103, a cylinder tooth rib groove, 12, a heating frame, 1201, a heating cylinder, 1202, a heating sheet, 13, a first sealing ring, 14, a sealing gasket, 15, a circuit board assembly, 16, a touch control sheet, 17, a second sealing ring, 18, a display cover, 19, a key base, 20, a key sleeve, 21, a rear cover shell, 22 and a rear cover.
Detailed Description
The construction and use of the invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-8, an inner casing is arranged in a handle shell 1 of the hair dryer, the inner casing is provided with a motor fan assembly, one side of the handle shell is provided with a button, an inner sleeve 11 is arranged in an air duct shell 6, a heating frame 12 and a circuit board assembly 15 are arranged in the inner sleeve, one end of the heating frame is provided with the circuit board assembly, the other end of the heating frame is sleeved in the inner sleeve towards an air outlet, the air outlet of the inner sleeve is provided with an air outlet nozzle, a circuit board of the circuit board assembly is provided with a display screen, a display cover 18 is arranged above the display screen, the outer diameter of the display cover is provided with a second sealing ring 17, the display cover is sealed by the second sealing ring and is fixed. One side of the display cover is provided with a key, the key corresponds to a key switch of the circuit board, the key extends out of key holes of the rear cover shell 21 and the rear cover 22, a circular display window which is raised in the middle of the display cover extends out of a center hole of the rear cover, the key holes are aligned with a center display window of the rear cover, the key holes are respectively arranged on an outer ring on one side of the center of the rear cover shell, the rear cover and the display cover, and the rear cover is connected with the lock of the rear cover shell into a whole. The air inlet hole at one side of the inner sleeve and the air drum shell is communicated with the air inlet hole in the handle shell, one side of the air inlet hole of the inner sleeve and the air drum shell is fixed on the inner shell of the handle shell through screws, a sealing gasket 14 is arranged at the fixing position, and the handle shell is sleeved and fixed on the inner shell. The electronic component of the circuit board assembly in the inner sleeve is positioned on one side of the heating frame in the air sleeve, a column base on one side of the heating cylinder 1201 of the heating frame is inserted into the circuit board fixed on the circuit board assembly, a column base extending out of the circuit board is sleeved into a column sleeve on one side of the display sleeve, the heating frame and the circuit board assembly are connected into a whole, and a first sealing ring 13 is arranged at a cylinder opening of the heating cylinder on one side of the circuit board of the heating frame.
The outer diameters of two ends of the inner sleeve are respectively provided with a raised outer ring diameter 1101 and a sealing rib 1102, one side of the peripheral surface of the inner sleeve is provided with a guide groove, the guide groove of the inner sleeve is inserted into an inner rib with a raised inner diameter of the air duct shell, the outer ring diameter and the sealing rib of the inner sleeve are abutted against the inner diameter of the air duct shell, the sealing rib of the inner sleeve is buckled with an inner buckling rib 601 of the air duct shell, and the inner buckling rib is arranged at the inner diameter of a rear barrel opening of the inner sleeve; the outer diameter of the barrel opening of the inner sleeve is provided with a barrel tooth rib groove 1103, the barrel tooth rib groove of the inner sleeve is fixedly screwed with the cover tooth rib groove of the rear cover shell, meanwhile, the inner wall of the air barrel shell is also provided with an inner buckling rib, and the outer ring diameter of the inner sleeve is buckled with the inner buckling rib of the air barrel shell. The air outlet of inner skleeve one side mouth is equipped with preceding magnetic ring 7, preceding magnetic ring centre gripping is fixed in air outlet department between dryer shell and the inner skleeve, inner skleeve one side bottom of preceding magnetic ring is equipped with preceding packing ring 8 and preceding circle frame 9, air outlet one side of preceding magnetic ring is equipped with bellied inner ring, the diameter of inner ring is less than the diameter of bottom circle, the external diameter is equipped with the step groove between preceding magnetic ring inner ring and the bottom circle, the inner ring of preceding magnetic ring stretches out the air outlet internal diameter of dryer shell, dryer shell one side mouth of air outlet nozzle is equipped with iron ring or magnetic ring, the inner ring top of preceding magnetic ring is equipped with the circle groove that the equidistance distributes.
The air outlet nozzle comprises an inner nozzle shell 5 and an outer nozzle shell 4, an outer tooth rib 501 is arranged on the outer diameter of a conical cavity ring opening of the inner nozzle shell, an L-shaped raised outer guide rib 502 is arranged between a conical cavity and a waist-shaped cavity of the outer nozzle shell, an inner tooth rib 401 is arranged on the inner diameter of the conical cavity ring opening of the outer nozzle shell, a raised inner convex groove 402 is arranged between the conical cavity and the waist-shaped cavity of the inner diameter of the outer nozzle shell, the inner nozzle shell and the outer nozzle shell are sleeved together, the outer guide rib of the inner nozzle shell is inserted into the inner convex groove of the outer nozzle shell, the outer tooth rib of the inner nozzle shell is buckled with the outer tooth rib of the outer nozzle shell, the inner nozzle shell is a plastic inner nozzle shell, a magnet is arranged at the opening of the inner nozzle shell, the inner nozzle shell is fixed on a front magnetic ring of an air duct shell through magnet adsorption, a raised block is arranged on the inner wall of the conical cavity of the outer nozzle shell, the raised block of the outer nozzle shell is abutted against the outer diameter of the outer nozzle shell, an outer nozzle shell is arranged in the conical cavity ring opening of the inner nozzle shell, an outer flanging ring hole is arranged in alignment with the inner nozzle ring of the inner nozzle shell, and the inner nozzle ring hole of the inner nozzle.
The key comprises a touch control sheet 16, a key seat 19 and a key sleeve 20, the key is arc-shaped and is provided with three touch control points, the touch control sheet is arranged on a key switch of a circuit board on a circuit board assembly, the key seat is arranged in a key hole of a display cover, the key sleeve and the key seat sleeve are combined to extend out a key hole of a rear cover shell and a rear cover, a heating frame comprises a heating cylinder 1201 and a heating sheet 1202, the outer diameter of the heating cylinder is provided with a raised sheet groove block, a cylinder opening at one end of an air outlet of the heating cylinder is provided with an open sheet insertion groove, the heating sheet is L-shaped, the sheet groove block fixed on the heating cylinder is inserted into one end of the heating sheet, the other end of the heating sheet is inserted into the sheet insertion groove fixed on the heating cylinder at the bending part, the heating sheet is vertically and uniformly distributed at the periphery of the outer diameter of one end of the heating cylinder, the heating sheet is a mica sheet, two pairs of column feet of the heating frame are symmetrically arranged on the outer diameter of the cylinder opening of the heating cylinder, the column foot of the heating frame penetrates through the circuit board assembly, the column of the circuit board is inserted into a column sleeve at one side of the display cover shell, auxiliary column is arranged between the inner diameter of the inner side of the heating cylinder cover shell, the inner side of the.
This hair-dryer blows off the air outlet through the wind that the motor fan subassembly in the handle shell produced, with the heat that the interior heating frame of dryer subassembly produced, and the back shroud subassembly passes through the second sealing washer with heating frame, circuit board assembly and shows that the cover is sealed, and the heat can not flow from the back shroud subassembly.
Claims (10)
1. A hand-held hair drier comprises a shell body which is composed of a handle shell (1), an air inlet cover (2), an air duct shell (6) and a rear cover shell (21), wherein a motor fan component is arranged in an inner shell in the handle shell, a button is arranged on one side of the handle shell, an inner sleeve (11) is arranged in the air duct shell, and a heating frame (12) and a circuit board component (15) are arranged in the inner sleeve; it is characterized in that one end of the heating frame (12) is provided with a circuit board assembly (15), the other end of the heating frame is sleeved into the inner sleeve (11) towards the air outlet, the air outlet of the inner sleeve is provided with an air outlet nozzle, the circuit board of the circuit board assembly is provided with a display screen, a display cover (18) is arranged above the display screen, the outer diameter of the display cover is provided with a second sealing ring (17), the display cover is sealed by the second sealing ring and is fixed in the rear cover shell in a buckling manner, or the display cover is sealed in the inner sleeve by the second sealing ring, one side of the display cover is provided with a key which corresponds to a key switch of the circuit board, the key extends out of key holes of the rear cover shell (21) and the rear cover (22), a round display window protruding in the middle of the display cover extends out of a center hole of the rear cover and is aligned with a center display window of the rear, the rear cover and the rear cover shell are buckled and connected into a whole; an air inlet hole at one side of the inner sleeve and the air drum shell (6) is communicated with an air inlet hole in the handle shell (1), one side of the air inlet hole of the inner sleeve and the air drum shell is fixed on an inner shell of the handle shell through a screw, a sealing gasket (14) is arranged at the fixing position, and the handle shell is sleeved and fixed on the inner shell; the electronic component of circuit board subassembly (15) is located wind sleeve intraductal heating frame one side in the inner skleeve, and the circuit board that is fixed in circuit board subassembly is inserted to heating barrel (1201) one side column base of heating frame, and the column base that stretches out the circuit board embolias the column sleeve of display cover one side, and the heating frame is even as an organic whole with circuit board subassembly, and the circuit board one side heating barrel mouth of heating frame is equipped with first sealing washer (13).
2. The hand-held hair drier according to claim 1, characterized in that the outer diameters of both ends of the inner sleeve (11) are respectively provided with a convex outer ring diameter (1101) and a sealing rib (1102), one side of the peripheral surface of the inner sleeve is provided with a guide groove, the guide groove of the inner sleeve is inserted into an inner rib which is convex in the inner diameter of the air duct shell (6), the outer ring diameter and the sealing rib of the inner sleeve are abutted against the inner diameter of the air duct shell, the sealing rib of the inner sleeve is buckled with an inner buckling rib (601) of the air duct shell, and the inner buckling rib is arranged in the inner diameter of a rear barrel opening of the inner sleeve; the outer diameter of the cylinder opening of the inner sleeve (11) is provided with a cylinder tooth rib groove (1103), and the cylinder tooth rib groove of the inner sleeve is screwed and fixed with the cover tooth rib groove of the rear cover shell (21).
3. The hand-held hair dryer as claimed in claim 2, wherein the inner wall of the air duct shell (6) is provided with an inner buckling rib (601), and the outer ring diameter (1101) of the inner sleeve is buckled with the inner buckling rib of the air duct shell.
4. The hand-held hair drier according to claim 1, characterized in that a front magnetic ring (7) is arranged at the mouth of the inner sleeve (11) on the side of the air outlet, the front magnetic ring is clamped and fixed at the air outlet between the air barrel shell (6) and the inner sleeve, a front gasket (8) and a front ring frame (9) are arranged at the bottom of the inner sleeve on the side of the front magnetic ring, a raised inner ring is arranged at the side of the air outlet of the front magnetic ring, the diameter of the inner ring is smaller than that of the bottom ring, a step groove is arranged at the outer diameter between the inner ring of the front magnetic ring and the bottom ring, the inner ring of the front magnetic ring extends out of the inner diameter of the air outlet of the air barrel shell, an iron ring or a magnetic ring is arranged at the mouth of the air barrel shell on the air outlet nozzle.
5. The hand-held hair drier according to claim 1, wherein the air outlet nozzle comprises an inner nozzle shell (5) and an outer nozzle shell (4), an outer tooth rib (501) is arranged on the outer diameter of a conical cavity ring opening of the inner nozzle shell, an L-shaped raised outer guide rib (502) is arranged between a conical cavity and a waist-shaped cavity of the outer diameter of the inner nozzle shell, an inner tooth rib (401) is arranged on the inner diameter of a conical cavity ring opening of the outer nozzle shell, a raised inner convex groove (402) is arranged between the conical cavity and the waist-shaped cavity of the inner diameter of the outer nozzle shell, the outer guide rib of the inner nozzle shell is inserted into the inner convex groove of the outer nozzle shell while the inner nozzle shell is sleeved with the outer nozzle shell, the outer tooth rib of the inner nozzle shell is buckled with the outer tooth rib of the outer nozzle shell, the inner nozzle shell is an iron inner nozzle shell, the inner nozzle shell is fixed on the air outlet of the air duct shell through the front magnetic ring (7) in an adsorption mode, or the inner nozzle shell is a plastic inner nozzle shell, a magnet is arranged at a shell opening of the inner nozzle shell.
6. The hand-held hair drier according to claim 5, characterized in that the inner wall of the conical cavity of the outer nozzle shell (4) is provided with a convex block, the convex block of the outer nozzle shell is abutted against the outer diameter of the inner nozzle shell, the ring opening of the conical cavity of the inner nozzle shell (5) is provided with a flanging, the diameter of the flanging is provided with a nozzle ring hole, a magnet is arranged in the nozzle ring hole of the inner nozzle shell, the magnet of the inner nozzle shell is aligned with and adsorbed and fixed to the front magnetic ring (7) of the inner sleeve (11), and the inner diameter of the front magnetic ring of the inner sleeve is provided with a sleeve ring hole.
7. The hand-held hair dryer as claimed in claim 1, wherein the button comprises a touch control sheet (16) having an arc shape and provided with three touch control points, a button base (19) provided on a button switch of the circuit board on the circuit board assembly (15), and a button cover (20) provided in a button hole of the display cover (18), the button cover and the button base cover being combined to protrude from the button holes of the rear cover case (21) and the rear cover case (22).
8. The hand-held hair drier of claim 1, wherein the heating frame (12) comprises a heating cylinder (1201) and a heating plate (1202), the outer diameter of the heating cylinder is provided with a raised piece slot block, a barrel mouth at one end of the air outlet of the heating cylinder is provided with an open piece slot, the heating plate is L-shaped, one end of the heating plate is inserted into the piece slot block fixed on the heating cylinder, the other end of the heating plate is inserted into the piece slot fixed on the heating cylinder at a bend, the heating plate is vertically, uniformly and equidistantly distributed on the peripheral surface of the outer diameter at one end of the heating cylinder, and the heating plate is a mica plate.
9. The hand-held hair drier as claimed in claim 8, wherein the legs of the heating frame (12) are symmetrically arranged two by two on the outer diameter of the nozzle of the heating cylinder (1201), the legs of the heating frame are inserted into the column sleeve on one side of the display cover (18) through the circuit board of the circuit board assembly (15), symmetrically arranged sub-columns are arranged between the legs on one side, the sub-columns are aligned with the nozzle of the heating cylinder, the sub-column on one side of the leg is fixed on the circuit board of the circuit board assembly through screws, the sub-column on the other side of the heating cylinder is arranged on the inner diameter of the nozzle of the other side of the leg, the sub-column on the other side of the leg is fixed on the inner diameter leg slot of the air outlet of the air cylinder shell (6) through screws, the leg slot of the air cylinder shell is arranged on the outer diameter of the central cavity slot, and.
10. Hand-held hair dryer according to claim 1, characterized in that the rear cover shell (21) omits a rear cover (22), the rear cover shell and the rear cover being integrally injection molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213724.XA CN111407059A (en) | 2020-03-24 | 2020-03-24 | Hand-held hair drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213724.XA CN111407059A (en) | 2020-03-24 | 2020-03-24 | Hand-held hair drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111407059A true CN111407059A (en) | 2020-07-14 |
Family
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Family Applications (1)
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| CN202010213724.XA Pending CN111407059A (en) | 2020-03-24 | 2020-03-24 | Hand-held hair drier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082759A1 (en) * | 2021-11-09 | 2023-05-19 | 莱克电气绿能科技(苏州)有限公司 | Hair drying appliance |
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