CN111972806B

CN111972806B - Handle structure of hair drier

Info

Publication number: CN111972806B
Application number: CN202010071691.XA
Authority: CN
Inventors: 叶洪新
Original assignee: Dongguan Leifen Electronic Technology Co ltd
Current assignee: Dongguan Leifen Electronic Technology Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2023-07-11
Anticipated expiration: 2040-01-21
Also published as: CN111972806A

Abstract

The invention provides a handle structure of a hair dryer, which comprises a handle inner shell, wherein the lower end of the handle inner shell is provided with an extension part, the lower end of the extension part is provided with a wire passing opening, the outer surface of the extension part is provided with a wire passing groove through which a power supply wire passes outwards, the wire passing groove is communicated with the wire passing opening, the outer surface of the handle inner shell is provided with a plurality of groups of wire clamping openings distributed along the length direction of the handle inner shell, the outer surface of the upper end of the handle inner shell is provided with a switch, the wires penetrate through the wire passing opening and pass outwards along the wire passing groove and pass through the wire clamping openings from bottom to top to be electrically connected with the switch, the upper side and the lower side of the wire passing opening are provided with wire clamping holes, the two sides of the wire clamping holes are respectively communicated with the wire dividing groove and the wire passing opening, and the wire passing groove is communicated with the wire dividing groove. The invention can simplify the handle structure, is easy to assemble and disassemble, is convenient to repair and maintain, has high assembly efficiency, reduces the production cost of enterprises, and simultaneously improves the air suction smoothness and the air suction efficiency, so that the air blowing effect is better.

Description

Handle structure of hair drier

Technical Field

The invention relates to a hand-held appliance, in particular to a handle structure of a hair dryer.

Background

The basic principle of the blower is that the air is rolled inside the blower body, and the blower is used in the fields of blowing, punishing, drying or dedusting after temperature adjustment and speed adjustment. The hair-dryer mainly comprises main part and handle, sets up the fluid outlet in the main part, sets up fluid inlet, switch and electric wire on the handle, and traditional handle structure sets up complicacy, adopts inside wiring, and the switch installation adopts screw fastening and mount pad, on assembling the handle with the mount pad, such structure is difficult for the installation and disassembly, is inconvenient for maintenance, and packaging efficiency is low, and enterprise manufacturing cost is high, and simultaneously, fluid inlet wind all around can be joined in fluid inlet below, and the mutual interference produces turbulent phenomenon, causes induced draft unsmoothly, and induced draft inefficiency influences the effect of blowing of hair-dryer.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention provides the handle structure of the blower, which can simplify the handle structure, is easy to assemble and disassemble, is convenient to repair and maintain, has high assembly efficiency, reduces the production cost of enterprises, and simultaneously improves the air suction smoothness and the air suction efficiency, so that the blowing effect is better.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a handle structure of hair-dryer, includes the handle inner shell, the handle inner shell lower extreme is equipped with the extension, the lower extreme of extension is equipped with logical line mouth, the surface of extension is equipped with the outside wire groove of wearing out of power supply line, wire groove and logical line mouth intercommunication, the surface of handle inner shell is equipped with the multiunit and follows the line mouth that presss from both sides that handle inner shell length direction distributes, the surface of handle inner shell upper end is equipped with the switch, the electric wire penetrates along the outside wire groove of wearing out from the wire groove to upwards pass a plurality of line mouthfuls and switch electric connection from the bottom.

As a preferable scheme, the wire clamping hole above the wire through hole is provided with wire dividing grooves on two sides of the wire clamping hole, the upper end and the lower end of the wire clamping hole are respectively communicated with the wire dividing grooves and the wire through hole, and the wire through grooves are communicated with the wire dividing grooves.

As a preferred scheme, the surface of handle inner shell is equipped with the multiunit and follows the card line subassembly that handle inner shell length direction distributes, multiunit card line subassembly all includes the spacing post that two intervals set up, the one end of spacing post outwards protrudes from the surface of handle inner shell, two form the line mouth that presss from both sides between the spacing post that the interval set up.

As a preferable scheme, a plurality of stop block bulges which are arranged in a staggered way are arranged on the outer surface of the extension part, and a wire clamping area is formed by surrounding the stop block bulges.

As a preferred scheme, the surface of handle inner shell upper end has the mounting platform that inwards concave formation, be equipped with the mounting panel that two intervals set up on the mounting platform, two the mounting panel is vertical to be located the middle part surface of mounting platform, two form the installation space between the mounting panel, the switch is located in the installation space.

As a preferred scheme, the installation space is from last first division board, second division board and the third division board that down be equipped with the interval setting in proper order, enclose into first mounting groove between first division board, second division board and the two mounting panels, enclose into the second mounting groove between third division board and the two mounting panels, the switch is including the toggle switch that is used for controlling the power and the button switch that is used for controlling the gear, the toggle switch is located in the first mounting groove, the button switch is located in the second mounting groove, the toggle switch originally includes the toggle switch body and locates the shifting block on the toggle switch body, the button switch includes the PCB board and locates the button on the PCB board.

As a preferable scheme, a handle outer shell is sleeved outside the handle inner shell, and a shifting block abdication hole and a key abdication hole for exposing a shifting block and a key are arranged on the handle outer shell.

As a preferable scheme, a fluid inlet is arranged at the joint of the extending part and the inner handle shell, the fluid inlet is positioned at the lower end face of the inner handle shell, the fluid inlet is an inlet in the axial direction of the inner handle shell, the extending part comprises a left extending part and a right extending part, the left extending part and the right extending part are connected through a partition plate, and the partition plate divides the fluid inlet into a front inlet and a rear inlet.

As a preferable scheme, the front side and the rear side of the fourth partition plate are respectively provided with a front air guide groove and a rear air guide groove, the front air guide groove and the rear air guide groove are respectively communicated with the front inlet and the rear inlet, the front air guide groove and the rear air guide groove are respectively arranged in a horn shape, and the front air guide groove and the rear air guide groove are gradually increased from bottom to top.

As a preferable scheme, the inside of fluid inlet is equipped with the muffler, the outside of fluid inlet is equipped with the outer filter screen that is the tube-shape setting, the lateral wall of outer filter screen is equipped with a plurality of air inlets that communicate with fluid inlet, the outside of extension is located to outer filter screen cover, outer filter screen and extension magnetism actuation are connected.

Compared with the prior art, the electric wire assembling device has obvious advantages and beneficial effects, in particular, the extending part is arranged at the lower end of the inner handle shell, the wire through holes and the wire through grooves communicated with the wire through holes are arranged on the extending part, the plurality of groups of wire clamping holes are arranged on the outer surface of the inner handle shell, the switch is arranged on the outer surface of the upper end of the inner handle shell, and the electric wire can penetrate from the wire through holes, pass outwards along the wire through grooves and pass through the plurality of wire clamping holes from bottom to top to be electrically connected with the switch, so that the electric wire assembling is more convenient, the assembling efficiency is improved, and the production cost of enterprises is reduced; the outer surface of the upper end of the handle inner shell is provided with an installation platform, two installation plates are arranged at intervals on the installation platform, an installation space for installing a switch is formed between the two installation plates, the installation structure of the switch is simplified, the assembly process is reduced, the assembly efficiency is improved, the production cost of enterprises is reduced, and the disassembly and the maintenance are convenient; the outer filter screen is connected with the extending part in a magnetic attraction way, so that the mounting and dismounting modes between the outer filter screen and the handle are simplified, and the outer filter screen is conveniently dismounted for internal cleaning; through setting up fourth division board connection left extension and right extension, the wind in fluid entry outside is along the front and back both sides direction front entry and the back entry of fourth division board respectively, avoids the front and back both sides wind mutual interference of fourth division board to produce turbulent phenomenon for induced draft is more smooth and easy, improves induced draft efficiency, strengthens the blowing effect of hair-dryer.

For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic diagram of a blower according to an embodiment of the present invention;

FIG. 2 is an exploded view of the handle of an embodiment of the present invention;

figure 3 is a front view of a blower according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view at A-A in FIG. 3;

FIG. 5 is a schematic view of the assembly of the wires and the inner housing of the handle according to an embodiment of the present invention;

FIG. 6 is an exploded view of an extension of an embodiment of the present invention;

FIG. 7 is a schematic view of the assembly of the wires, switch and inner housing of the handle of an embodiment of the present invention;

FIG. 8 is an exploded view of the switch and handle inner housing of an embodiment of the present invention;

FIG. 9 is a partially enlarged schematic illustration of portion B of FIG. 8;

FIG. 10 is a schematic view of the handle housing structure of an embodiment of the present invention;

FIG. 11 is an exploded view of the inner handle shell of an embodiment of the present invention;

FIG. 12 is a schematic view of a positioning frame according to an embodiment of the present invention;

FIG. 13 is an exploded schematic view of an outer screen, an inner screen and an extension of an embodiment of the present invention;

FIG. 14 is a schematic view showing the internal structure of an outer screen according to an embodiment of the present invention;

FIG. 15 is a schematic view of the inner housing of the handle according to the embodiment of the present invention;

FIG. 16 is an exploded view of another view of the inner handle shell of an embodiment of the present invention.

The attached drawings are used for identifying and describing:

90-body; 91-fluid outlet; 100-handle; 101-a fluid inlet;

102-a fan assembly; 103-a handle housing; 104-guiding ribs; 105-a first mounting hole;

106-a shifting block abdication hole; 107-button relief holes; 108-a handle inner housing; 109-guide grooves;

110-first screw holes; 111-an inner front wall; 112-an inner rear wall; 113-a limit column;

114-a wire clamping port; 115-clamping plates; 116-extension; 117-left extension;

118-right extension; 119-a first forearm; 120-a second forearm; 121-a first trailing arm;

122-a second trailing arm; 123-line port; 124-a first extrusion block; 125-a second extrusion block;

126-wire clamping holes; 127-branching block; 128-wire dividing grooves; 129-line slots;

130-stop tab; 131-a wire clamping area; 132-a power line; 140-mounting a platform;

141-a mounting plate; 142-a first divider plate; 143-a second divider; 144-third separator plate;

145-a first mounting groove; 146-second mounting groove; 147-a third mounting groove; 148-a first yield slot;

149-second relief groove; 150-a wire opening; 151-line notch; 152-a first limiting block;

153-locating holes; 154-second screw holes; 155-a switch cover plate; 156-toggle cap;

157—a key cap; 158-a second mounting hole; 159-toggle switch; 160-toggle switch body;

161-dial; 162-a first conductive sheet; 163-a second conductive sheet; 164-push button switch;

165-a PCB board; 166-key press; 167-a first limit groove; 170-an inner anterior chamber;

171-an inner posterior chamber; 172-positioning grooves; 173-locating strips; 174-a second limit groove;

175-positioning the bumps; 176—a positioning frame; 177-relief via; 178-a second limiting block;

179-honeycomb panel; 180-honeycomb holes; 181-a first positioning notch; 190-a first magnetic component;

191-a third limit groove; 192-third screw holes; 193-second locating notch; 194-inserting holes;

195-a yielding opening; 200-an outer filter screen; 201-an air inlet hole; 202-a bottom endplate;

203-positioning convex columns; 204-positioning grooves; 205-a second magnetic component; 206-positioning the through holes;

207-inner screen support; 208-upper ring; 209-lower ring; 210-a connecting arm;

211-positioning convex strips; 212-a third limiting block; 213-a third mounting hole; 214-an inner screen;

215-sidewalls; 220-front inlet; 221-rear inlet; 222-a front wind guide groove;

223-a rear air guide groove; 224-fourth separator plate; 225-fourth screw holes; 226-fourth mounting holes;

227-limit notch; 228-limit bump.

Detailed Description

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-4, a handle structure of a hair dryer comprises a main body 90 and a handle 100 detachably connected with the main body 90, wherein a fluid outlet 91 is arranged on the main body 90, the handle 100 comprises a handle inner shell 108 and a handle outer shell 103 sleeved outside the handle inner shell 108, a fluid inlet 101 is arranged on the handle inner shell 108, the fluid inlet 101 is communicated with the fluid outlet 91 to form a fluid channel, a fan assembly 102 is arranged in the fluid channel, the fan assembly 102 is positioned in the handle 100, the fan assembly 102 comprises fan blades and a motor for driving the fan blades to rotate, the handle inner shell 108 comprises an inner front wall 111 and an inner rear wall 112 which are detachably connected, a guide groove 109 is formed on the outer surface of the inner front wall 111, a guide rib 104 corresponding to the guide groove 109 is arranged on the inner surface of the handle outer shell 103, a first screw hole 110 is formed in the lower end of the handle inner shell 108, and a first mounting hole 105 corresponding to the first screw hole 110 is formed in the handle outer shell 103.

As shown in fig. 5-6, the lower end of the inner handle shell 108 is provided with an extension portion 116, a connection portion between the extension portion 116 and the inner rear wall 112 is provided with a clamping plate 115, the lower end of the extension portion 116 is sequentially provided with a wire through hole 123 and a wire clamping hole 126 located above the wire through hole 123, two sides of the wire clamping hole 126 are provided with wire dividing grooves 128, the upper end and the lower end of the wire clamping hole 126 are respectively communicated with the wire dividing grooves 128 and the wire through holes 123, the outer surface of the extension portion 116 is provided with wire through grooves 129 through which a power supply wire penetrates outwards, the wire through grooves 129 are communicated with the wire dividing grooves 128, the outer surface of the inner handle shell 108 is provided with a plurality of groups of wire clamping assemblies distributed along the length direction of the inner handle shell 108, each group of wire clamping assemblies comprises two spacing columns 113, one ends of the spacing columns 113 protrude outwards from the outer surface of the inner handle shell 108, the two spacing columns 113 form wire clamping holes 114, and the wires sequentially penetrate into the wire through grooves 128 and the wire clamping holes 129 outwards through the wire through holes 123 and the wire through holes 129, and pass through the wire through grooves 129, and pass through the wire clamping holes 114 upwards through the wire clamping holes 114.

The fluid inlet 101 is arranged at the connection part of the extension part 116 and the inner handle shell 108, the fluid inlet 101 is arranged at the lower end surface of the inner handle shell 108, the fluid inlet 101 is an inlet in the axial direction of the handle 100, the extension part 116 comprises a left extension part 117 and a right extension part 118, the left extension part 117 and the right extension part 118 are connected through a fourth division plate 224, the left extension part 117 comprises a first front arm 119 and a first rear arm 121 which are arranged at the front side and the rear side of one end of the fourth division plate 224, the right extension part 118 comprises a second front arm 120 and a second rear arm 122 which are arranged at the front side and the rear side of the other end of the fourth division plate 224, the first front arm 119 and the second front arm 120 are integrally connected with the inner front wall 111, the first rear arm 121 and the second rear arm 122 are integrally connected with the inner rear wall 112, the through-line port 123 is arranged between the left extension part 117 and the right extension part 118, the upper part of the wire through hole 123 is provided with a first extrusion block 124 and a second extrusion block 125 which are relatively protruded, a wire clamping hole 126 is formed between the first extrusion block 124 and the second extrusion block 125, the first extrusion block 124 and the second extrusion block 125 are integrally formed with the extension part 116, one sides of the first extrusion block 124 and the second extrusion block 125, which face the inner handle shell 108, are respectively provided with a wire dividing block 127, a wire dividing groove 128 is formed between the first extrusion block 124 and the second extrusion block 125 and the corresponding wire dividing block 127, the first extrusion block 124 is provided with two, the two first extrusion blocks 124 are respectively and relatively formed on the first front arm 119 and the first rear arm 121, the two second extrusion blocks 125 are respectively and relatively formed on the second front arm 120 and the second rear arm 122, the wire dividing groove 129 is positioned on the second rear arm 122, the outer surface of the second rear arm 122 is provided with a plurality of staggered stop blocks 130, the plurality of stopper protrusions 130 enclose a wire clamping area 131 therebetween.

Through arranging the extension part 116 at the lower end of the handle inner shell 108, arranging the wire through hole 123, the wire clamping hole 126, the wire dividing groove 128 and the wire through groove 129 on the extension part 116, arranging a plurality of groups of wire clamping assemblies distributed along the length direction of the handle inner shell 108 on the outer surface of the handle inner shell 108, wherein each group of wire clamping assemblies comprises two spacing columns 113 arranged at intervals, the wire clamping hole 114 is formed between the two spacing columns 113 arranged at intervals, wires sequentially penetrate through the wire through hole 123 and the wire clamping hole 126, outwards penetrate out along the wire dividing groove 128 and the wire through groove 129 and are distributed through the plurality of wire clamping holes 114 from bottom to top, so that the wire assembly is more convenient, the assembly efficiency is improved, and the production cost of enterprises is reduced; through set up relative convex first extrusion piece 124 and second extrusion piece 125 in lead to line mouth 123, form clamp line hole 126 between first extrusion piece 124 and the second extrusion piece 125 to first extrusion piece 124 and second extrusion piece 125 all with extension 116 integrated into one piece, thereby need not to set up the fixed electric wire of locating piece alone, simplify the structure, reduce material cost.

As shown in fig. 7-10, the outer surface of the upper end of the inner handle shell 108 is provided with an installation platform 140 formed by inward recessing, two installation plates 141 arranged at intervals are arranged on the installation platform 140, two installation plates 141 are vertically arranged on the outer surface of the middle part of the installation platform 140, an installation space is formed between the two installation plates 141, a switch is arranged in the installation space, a first separation plate 142, a second separation plate 143 and a third separation plate 144 which are arranged at intervals are sequentially arranged in the installation space from top to bottom, a first installation groove 145 is formed by surrounding the first separation plate 142, the second separation plate 143 and the two installation plates 141, a second installation groove 146 is formed by surrounding the third separation plate 144 and the two installation plates 141, a line notch 151 is arranged on one side of the second installation groove 146, a first limit block 152 is arranged at the lower end of the second installation groove 146, the PCB 165 is provided with a first limit groove 167 corresponding to the first limit block 152, a third mounting groove 147 is formed by enclosing the second partition plate 143, the third partition plate 144 and the two mounting plates 141, one side of the third mounting groove 147 is provided with a wire opening 150, the switch comprises a toggle switch 159 for controlling a power supply and a button switch 164 for controlling a gear, the toggle switch 159 is arranged in the first mounting groove 145, the button switch 164 is arranged in the second mounting groove 146, the toggle switch 159 comprises a toggle switch body 160 and a shifting block 161 arranged on the toggle switch body 160, the button switch 164 comprises a PCB 165 and a key 166 arranged on the PCB 165, the length and the width of the toggle switch body 160 are matched with those of the first mounting groove 145, the length and the width of the PCB 165 are matched with those of the second mounting groove 146, the upper and lower both ends of toggle switch body 160 are equipped with first conducting strip 162 and second conducting strip 163 respectively, first conducting strip 162 and second conducting strip 163 respectively with the main control circuit board and the power cord 132 electric connection of hair-dryer, first division board 142 and second division board 143 are equipped with the first groove 148 and the second groove 149 of stepping down that give up that supply first conducting strip 162 and second conducting strip 163 outwards stretch out respectively, first conducting strip 162 is equipped with two, two first conducting strip 162 distributes along the open width direction of first groove 148 of stepping down, the open width of first groove 148 is greater than the open width of second groove 149 of stepping down, still be equipped with switch apron 155 on mounting platform 140, be equipped with respectively on the switch apron 155 with the corresponding stirring cap 156 of shifting block 161 and button 166 157, stirring cap 156 and shifting cap 166 contact connection, stirring cap 156 and 166 pass respectively on the handle housing 103 and step down the button 166 and stretch out the button cap 157 and pass respectively and put down the corresponding screw cap 155 of the second screw hole of setting up hole of the second cover plate 153 and the corresponding screw hole of the second cover plate 153 and the corresponding hole of the screw cap 155 is equipped with the second hole of the mounting platform 153.

The mounting platform 140 is arranged on the outer surface of the upper end of the inner handle shell 108, the mounting plates 141 are arranged on the mounting platform 140 at two intervals, the two mounting plates 141 are vertically arranged on the outer surface of the middle of the mounting platform 140, and a mounting space for mounting the switch is formed between the two mounting plates 141, so that a mounting seat is not required to be additionally and independently arranged for mounting the switch, the mounting structure of the switch is simplified, the assembly process is reduced, the assembly efficiency is improved, the production cost of enterprises is reduced, and the disassembly and maintenance are facilitated.

As shown in fig. 11-12, the muffler includes a muffler cotton (not shown) disposed on the inner side of the fluid inlet 101 and a positioning frame 176 for fixing the muffler cotton, the muffler cotton is disposed between the positioning frame 176 and the inner handle shell 108, a yielding through hole 177 exposing the muffler cotton is disposed on the positioning frame 176, a honeycomb plate 179 is disposed at one end of the positioning frame 176 near the fluid inlet 101, a plurality of closely arranged honeycomb holes 180 are disposed on the honeycomb plate 179, the honeycomb holes 180 penetrate through the upper and lower sides of the honeycomb plate 179, a positioning cavity is disposed on the inner surface of the inner handle shell 108, a plurality of positioning grooves 172 disposed on one end of the positioning cavity near the fluid inlet 101, a plurality of muffler cotton are disposed in the corresponding positioning grooves 172, the positioning grooves 172 are not greater than 9mm in width along the fluid inflow direction, two ends of the positioning cavity are respectively provided with positioning strips 173, a second limiting groove 174 is disposed on the positioning strip 173, the positioning frame 176 is disposed on the inner side of the positioning frame opposite to the first limiting block 170, and the inner handle shell 170 is disposed on the inner side of the positioning frame and is correspondingly provided with a first limiting block 170, and a positioning groove 181 disposed on the inner wall of the inner handle shell 112 and is correspondingly disposed on the inner wall of the inner handle shell 112, and the positioning groove 170 is correspondingly disposed on the inner wall of the inner shell 112.

The noise damping cotton in the present invention may be replaced by felt.

As shown in fig. 13-14, the outside of the fluid inlet 101 is provided with an outer filter screen 200 in a cylindrical shape, a sidewall 215 of the outer filter screen 200 is provided with a plurality of air inlet holes 201 communicated with the fluid inlet 101, the outer filter screen 200 is sleeved on the outside of the extension portion 116, the extension portion 116 is provided with a first magnetic component 190, the outer filter screen 200 is provided with a second magnetic component 205, the extension portion 116 is magnetically attracted and connected with the outer filter screen 200 through the first magnetic component 190 and the second magnetic component 205, the first magnetic component 190 is arranged on the lower end surface of the extension portion 116, the lower end of the sidewall 215 is provided with a bottom end plate 202, a containing cavity is formed by enclosing the sidewall 215 and the bottom end plate 202, the second magnetic component 205 is positioned on the inner surface of the bottom end plate 202, the inner surface of the bottom end plate 202 is provided with a plurality of positioning convex columns 203 in annular distribution, the second magnetic component 205 is provided with positioning through holes 206 corresponding to the positioning convex columns 203, the lower end of the extension part 116 is provided with an embedded hole 194 for installing a first magnetic component 190, the embedded hole 194 is provided with a yielding opening 195 for exposing the lower end face of the extension part 116 by the first magnetic component 190, the first magnetic component 190 is a magnet, the second magnetic component 205 is an iron ring, the inner side of the outer filter screen 200 is also provided with an inner filter screen 214 and an inner filter screen bracket 207 which are arranged in a cylindrical shape, the inner filter screen 214 is positioned between the extension part 116 and the inner filter screen bracket 207, the inner filter screen bracket 207 comprises an upper circular ring 208 and a lower circular ring 209 positioned below the upper circular ring 208, the upper circular ring 208 and the lower circular ring 209 are connected by a connecting arm 210, the outer diameter of the upper circular ring 208 is larger than the outer diameter of the lower circular ring 209, the outer side of the connecting arm 210 is provided with a positioning raised strip 211, the upper end of the positioning raised strip 211 extends upwards through the upper circular ring 208, the handle 100 lower extreme is equipped with the second location breach 193 with the end adaptation that stretches out of location sand grip 211, the internal surface of outer filter screen 200 is equipped with the constant head tank 204 with the adaptation of location sand grip 211, the lower extreme of extension 116 is equipped with third spacing groove 191, be equipped with third screw hole 192 in the third spacing groove 191, the inboard of lower ring 209 is equipped with the third stopper 212 that corresponds with third spacing groove 191, be equipped with the third mounting hole 213 that corresponds with third screw hole 192 on the third stopper 212.

It should be noted that, in the present invention, the magnets may be disposed on the outer screen 200, and the iron rings are disposed on the extension 116 correspondingly.

Through arranging the extension part 116 at the lower end of the handle 100 and the outer filter screen 200 in a cylindrical shape, the outer filter screen 200 is sleeved on the outer side of the extension part 116, and the outer filter screen 200 is in magnetic attraction connection with the extension part 116, the outer filter screen 200 and the handle 100 can be separated by a user only by using a certain force during disassembly through magnetic attraction connection, and the outer filter screen 200 can be automatically attracted only by sleeving the extension part 116 during installation, so that the installation and disassembly modes between the outer filter screen 200 and the handle 100 are simplified, and the outer filter screen 200 is convenient to detach for internal cleaning; by providing the insertion hole 194 at the lower end of the extension 116, the magnet can be directly inserted into the insertion hole 194, and the magnet can be assembled conveniently.

As shown in fig. 15-16, the fourth partition plate 224 on the extension 116 separates the fluid inlet 101 into a front inlet 220 and a rear inlet 221, the first front arm 119 and the second front arm 120 are connected by the fourth partition plate 224, a front air guide groove 222 is formed by surrounding the first front arm 119, the second front arm 120 and the fourth partition plate 224, a rear air guide groove 223 is formed by surrounding the first rear arm 121, the second rear arm 122 and the fourth partition plate 224, the front air guide groove 222 and the rear air guide groove 223 are respectively communicated with the front inlet 220 and the rear inlet 221, the front air guide groove 222 and the rear air guide groove 223 are respectively in a horn shape, the front air guide groove 222 and the rear air guide groove 223 are gradually increased from bottom to top, the first front arm 119, the second front arm 120 and the fourth partition plate 224 are integrally formed, the first front arm 119 and the second front arm 120 are respectively provided with a fourth screw hole 225, the first rear arm 121 and the second rear arm 122 are respectively provided with a fourth mounting hole 226 corresponding to the fourth front arm 228 and the fourth front arm 122, and the first rear arm 122 are respectively provided with a first notch 227 and a second notch 227 corresponding to the first front arm 121 and the second front arm 122.

In the present invention, the fourth partition plate 224 may be integrally formed with the first rear arm 121 and the second rear arm 122, and two fourth partition plates 224 may be provided, wherein one of the fourth partition plates 224 is integrally formed with the first front arm 119 and the second front arm 120, and the other fourth partition plate 224 is integrally formed with the first rear arm 121 and the second rear arm 122.

By arranging the extension part 116 at the lower end of the inner handle shell 108, arranging the fluid inlet 101 at the joint of the extension part 116 and the inner handle shell 108, wherein the extension part 116 comprises a left extension part 117 and a right extension part 118, the left extension part 117 and the right extension part 118 are connected through a fourth division plate 224, the fourth division plate 224 divides the fluid inlet 101 into a front inlet 220 and a rear inlet 221, when the blower works, wind outside the fluid inlet 101 is respectively guided to the front inlet 220 and the rear inlet 221 along the front side and the rear side of the fourth division plate 224, and the phenomenon that turbulence is generated by mutual interference of wind at the front side and the rear side of the fourth division plate 224 is avoided, so that the suction is smoother, the suction efficiency is improved, and the blowing effect of the blower is enhanced; by adopting the front air guide groove 222 and the rear air guide groove 223 which are arranged in a horn shape, the resistance of the sucked air entering the fluid inlet 101 along the front air guide groove 222 or the rear air guide groove 223 is gradually reduced, and the air suction efficiency is improved.

In summary, according to the invention, the extension part 116 is provided at the lower end of the inner handle shell 108, the extension part 116 is provided with the wire through hole 123 and the wire through groove 129 communicated with the wire through hole 123, the outer surface of the inner handle shell 108 is provided with the plurality of groups of wire clamping holes 114, the outer surface of the upper end of the inner handle shell 108 is provided with the switch, and the wires can penetrate from the wire through hole 123, pass outwards along the wire through groove 129, and pass through the plurality of wire clamping holes 114 from bottom to top to be electrically connected with the switch, thereby facilitating the assembly of the wires, improving the assembly efficiency and reducing the production cost of enterprises; the outer surface of the upper end of the inner handle shell 108 is provided with the mounting platform 140, the mounting platform 140 is provided with two mounting plates 141 arranged at intervals, a mounting space for mounting the switch is formed between the two mounting plates 141, the mounting structure of the switch is simplified, the assembly process is reduced, the assembly efficiency is improved, the production cost of enterprises is reduced, and the disassembly and the maintenance are convenient; by arranging the outer filter screen 200 and the extension part 116 to be connected in a magnetic attraction way, the mounting and dismounting modes between the outer filter screen 200 and the handle 100 are simplified, and the outer filter screen 200 is convenient to demount for internal cleaning; through setting up fourth division board 224 and connecting left extension 117 and right extension 118, the wind in fluid entry outside is along the front and back both sides direction front entry 220 and back entry 221 of fourth division board 224 respectively, avoids the front and back both sides wind mutual interference of fourth division board 224 to produce turbulent phenomenon for induced draft is more smooth and easy, improves induced draft efficiency, strengthens the blowing effect of hair-dryer.

The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present invention are still within the scope of the present invention.

Claims

1. The handle structure of the hair dryer is characterized by comprising a handle inner shell, wherein the lower end of the handle inner shell is provided with an extension part, the lower end of the extension part is provided with a wire through opening, the outer surface of the extension part is provided with a wire through groove through which a power supply wire passes outwards, the wire through groove is communicated with the wire through opening, the outer surface of the handle inner shell is provided with a plurality of groups of wire clamping openings distributed along the length direction of the handle inner shell, the outer surface of the upper end of the handle inner shell is provided with a switch, and a wire penetrates from the wire through opening, passes outwards along the wire through groove, and passes through the wire clamping openings from bottom to top to be electrically connected with the switch;

the connecting part of the extension part and the inner handle shell is provided with a fluid inlet, the inner side of the fluid inlet is provided with a silencer, the silencer comprises silencing cotton annularly distributed on the inner side of the fluid inlet and a positioning frame for fixing the silencing cotton, the silencing cotton is positioned between the positioning frame and the inner handle shell, the positioning frame is provided with a yielding through hole for exposing the silencing cotton, one end of the positioning frame, which is close to the fluid inlet, is provided with a honeycomb plate, a plurality of closely arranged honeycomb holes are formed in the honeycomb plate, and the honeycomb holes penetrate through the upper side and the lower side of the honeycomb plate;

the outside of fluid entry is equipped with the outer filter screen that is the tube-shape setting, the lateral wall of outer filter screen is equipped with a plurality of air inlet that communicate with fluid entry, the outside of extension is located to outer filter screen cover, be equipped with first magnetic component on the lower terminal surface of extension, the lower extreme of lateral wall is equipped with the end plate, be equipped with second magnetic component on the internal surface of end plate, outer filter screen and extension are connected through first magnetic component and second magnetic component magnetism actuation, the internal surface of end plate is equipped with a plurality of annular distribution's location projection, be equipped with the locating through-hole that corresponds with the location projection on the second magnetic component, the lower extreme of extension is equipped with the embedding hole that is used for installing first magnetic component, the embedding hole has the opening of stepping down that supplies first magnetic component to expose the lower terminal surface of extension.

2. The handle structure of a hair dryer according to claim 1, wherein a wire clamping hole is arranged above the wire through hole, wire dividing grooves are formed in two sides of the wire clamping hole, the upper end and the lower end of the wire clamping hole are respectively communicated with the wire dividing grooves and the wire through hole, and the wire through grooves are communicated with the wire dividing grooves.

3. The handle structure of a hair dryer according to claim 1, wherein a plurality of groups of wire clamping assemblies distributed along the length direction of the handle inner shell are arranged on the outer surface of the handle inner shell, each group of wire clamping assemblies comprises two spacing columns arranged at intervals, one ends of the spacing columns protrude outwards from the outer surface of the handle inner shell, and a wire clamping opening is formed between the two spacing columns arranged at intervals.

4. The handle structure of claim 1, wherein the outer surface of the extension portion is provided with a plurality of stop protrusions arranged in a staggered manner, and a wire clamping area is defined between the plurality of stop protrusions.

5. The handle structure of a hair dryer according to claim 1, wherein the outer surface of the upper end of the inner handle shell is provided with an installation platform which is concaved inwards, two installation plates which are arranged at intervals are arranged on the installation platform, the two installation plates are vertically arranged on the outer surface of the middle part of the installation platform, an installation space is formed between the two installation plates, and the switch is arranged in the installation space.

6. The handle structure of a hair dryer according to claim 5, wherein the installation space is provided with a first separation plate, a second separation plate and a third separation plate which are arranged at intervals from top to bottom in sequence, a first installation groove is formed by surrounding the first separation plate, the second separation plate and two installation plates, a second installation groove is formed by surrounding the third separation plate and two installation plates, the switch comprises a toggle switch used for controlling a power supply and a button switch used for controlling a gear, the toggle switch is arranged in the first installation groove, the button switch is arranged in the second installation groove, the toggle switch comprises a toggle switch body and a shifting block arranged on the toggle switch body, and the button switch comprises a PCB board and a key arranged on the PCB board.

7. The handle structure of claim 6, wherein the handle inner housing is externally sleeved with a handle outer housing, and the handle outer housing is provided with a shifting block abdication hole and a key abdication hole for exposing a shifting block and a key.

8. The handle structure of a blower according to claim 1, wherein the fluid inlet is located at a lower end surface of the handle inner case, the fluid inlet being an inlet in an axial direction of the handle inner case, the extension portion including a left extension portion and a right extension portion, the left extension portion and the right extension portion being connected by a fourth partition plate that partitions the fluid inlet into a front inlet and a rear inlet.

9. The handle structure of a hair dryer according to claim 8, wherein the front and rear sides of the fourth partition plate are respectively formed with a front air guide groove and a rear air guide groove, the front air guide groove and the rear air guide groove are respectively communicated with the front inlet and the rear inlet, the front air guide groove and the rear air guide groove are respectively arranged in a horn shape, and the front air guide groove and the rear air guide groove are gradually increased from bottom to top.