CN111972806A - Handle structure of hair drier - Google Patents

Abstract

The invention provides a handle structure of a hair drier, which comprises a handle inner shell, wherein an extension part is arranged at the lower end of the handle inner shell, a wire through hole is formed in the lower end of the extension part, a wire through groove through which a power supply wire penetrates outwards is formed in the outer surface of the extension part, the wire through groove is communicated with the wire through hole, a plurality of groups of wire clamping holes distributed along the length direction of the handle inner shell are formed in the outer surface of the handle inner shell, a switch is arranged on the outer surface of the upper end of the handle inner shell, the wire penetrates through the wire through hole and penetrates outwards along the wire through groove and penetrates through the wire clamping holes from bottom to top to be electrically connected with the switch, a wire clamping hole is formed above the wire through hole, wire distributing grooves are formed in two sides of the wire clamping hole, the upper end and the lower end. The invention can simplify the handle structure, is easy to install and disassemble, is convenient to 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 handheld appliance, in particular to a handle structure of a hair drier.

Background

The basic principle of the blower is that the air mat is rolled inside the blower body and is used in the fields of blowing, drying or dust removal and the like after temperature adjustment and speed adjustment. The hair-dryer mainly comprises main part and handle, set up the fluid outlet in the main part, set up fluid inlet on the handle, switch and electric wire, traditional handle structure sets up complicacy, adopt inside the line of walking, screw-fastening and mount pad are adopted in the switch installation, on assembling the handle with the mount pad, such structure is difficult for installing and disassembling, the maintenance of being not convenient for, the packaging efficiency is low, enterprise manufacturing cost is high, and simultaneously, fluid inlet wind all around can join in fluid inlet below, mutual interference produces the turbulent phenomenon, cause induced draft unsmooth, the inefficiency that induced drafts, influence the effect of blowing of hair-dryer.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the handle structure of the hair drier, which can simplify the handle structure, is easy to install and disassemble, convenient to maintain and high in 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.

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

the utility model provides a handle structure of hair-dryer, includes the handle inner shell, handle inner shell lower extreme is equipped with the extension, the lower extreme of extension is equipped with the wire passing mouth, the surface of extension is equipped with the wire passing groove that the power supply line was outwards worn out, wire passing groove and wire passing mouth intercommunication, the surface of handle inner shell is equipped with the multiunit and follows the double-layered line mouth 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 wire passing groove outwards to pass a plurality of double-layered line mouths and switch electric connection from bottom to top.

As a preferable scheme, the wire clamping hole is arranged above the wire through hole, wire dividing grooves are arranged 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 card line subassembly that the multiunit distributes along handle inner shell length direction, the multiunit card line subassembly all includes the spacing post of two interval settings, the outside protrusion of surface of handle inner shell is followed to the one end of spacing post, two form the double-layered line mouth between the spacing post that the interval set up.

Preferably, the outer surface of the extension part is provided with a plurality of stop block protrusions which are arranged in a staggered mode, and a wire clamping area is defined by the stop block protrusions.

As an optimal scheme, the surface of handle inner shell upper end has the mounting platform of inwards recessed formation, the last mounting panel that is equipped with two intervals and sets up of mounting platform, two the vertical mounting platform's of locating middle part surface of mounting panel, two form installation space between the mounting panel, the switch is located in the installation space.

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

As a preferred scheme, the handle inner shell overcoat is equipped with the handle shell, be equipped with on the handle shell and supply shifting block and the button that shifting block and button expose to step down hole and button hole of stepping down.

Preferably, a fluid inlet is arranged at the joint of the extension part and the inner handle shell, and is positioned on the lower end surface of the inner handle shell, the fluid inlet is an inlet in the axial direction of the inner handle shell, the extension part comprises a left extension part and a right extension part, the left extension part and the right extension 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 preferred scheme, a front air guide groove and a rear air guide groove are formed on the front side and the rear side of the fourth partition plate respectively, the front air guide groove and the rear air guide groove are communicated with the front inlet and the rear inlet respectively, the front air guide groove and the rear air guide groove are arranged in a horn shape, and the front air guide groove and the rear air guide groove are gradually enlarged from bottom to top.

As a preferred scheme, the inboard of fluid entry is equipped with the muffler, 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 fresh air inlets that communicate with the fluid entry, 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 invention has obvious advantages and beneficial effects, particularly, the lower end of the inner shell of the handle is provided with the extension part, the extension part is provided with the wire port and the wire groove communicated with the wire port, the outer surface of the inner shell of the handle is provided with a plurality of groups of wire clamping ports, the outer surface of the upper end of the inner shell of the handle is provided with the switch, and the wire can penetrate through the wire port and outwards pass through the wire groove and then penetrate through the wire clamping ports from bottom to top to be electrically connected with the switch, so that the wire can be assembled more conveniently, the assembly efficiency is improved, and the production cost of enterprises is reduced; the outer surface of the upper end of the inner handle shell is provided with the mounting platform, the mounting platform is provided with two mounting plates which are arranged at intervals, and a mounting space for mounting the switch is formed between the two mounting plates, so that the mounting structure of the switch is simplified, the assembly procedures are reduced, the assembly efficiency is improved, the production cost of an enterprise is reduced, and the disassembly and maintenance are convenient; by arranging the magnetic attraction connection between the outer filter screen and the extension part, the mounting and dismounting mode between the outer filter screen and the handle is simplified, and the outer filter screen is conveniently dismounted for internal cleaning; connect left extension and right extension through setting up the fourth division board, the wind in the fluid entry outside is followed the front and back both sides side guide of fourth division board respectively and is entered the mouth with the back entry, avoids the fourth division board around both sides wind mutual interference to produce turbulent phenomenon for it is more smooth and easy to induced draft, improves the efficiency of induced drafting, strengthens the effect of blowing of hair-dryer.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions attained thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

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

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

fig. 3 is a main view of a hair dryer according to an embodiment of the present invention;

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

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

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

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

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

FIG. 9 is an enlarged partial schematic view of portion B of FIG. 8;

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

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

FIG. 12 is a schematic diagram 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 portion of an embodiment of the present invention;

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

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

FIG. 16 is an exploded view of an alternative perspective of the inner shell of the handle according to an embodiment of the present invention.

The attached drawings indicate the following:

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

102-a fan assembly; 103-a handle housing; 104-a guide rib; 105-a first mounting hole;

106-shifting block yielding holes; 107-key abdication holes; 108-a handle inner shell; 109-a guide groove;

110-a first screw hole; 111-inner front wall; 112-inner rear wall; 113-a spacing post;

114-a wire clamping port; 115-snap gauge; 116-an extension; 117-left extension;

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

122-a second rear arm; 123-a wire port; 124-a first extrusion block; 125-a second extrusion block;

126-a suture hole; 127-a branching block; 128-wire dividing groove; 129-a through wire slot;

130-a stopper protrusion; 131-a wire clamping area; 132-a power line; 140-a mounting platform;

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

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

149-a second abdicating groove; 150-through opening; 151-pass notch; 152-a first stopper;

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

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

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

165-a PCB board; 166-push button; 167-a first restraint slot; 170-inner anterior chamber;

171-inner posterior chamber; 172-positioning grooves; 173-positioning bar; 174-a second retaining groove;

175-positioning lugs; 176-a positioning frame; 177-abdicating through holes; 178-a second stopper;

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

191-a third limiting groove; 192-third screw hole; 193-a second positioning notch; 194-an insertion hole;

195-a yield opening; 200-outer filter screen; 201-air inlet holes; 202-bottom end plate;

203-positioning convex columns; 204-positioning groove; 205-a second magnetic component; 206-positioning vias;

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

211-positioning ribs; 212-a third stopper; 213-third mounting hole; 214-inner screen;

215-side wall; 220-front inlet; 221-rear entrance; 222-front air guide groove;

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

227-limit notch; 228-stop tab.

Detailed Description

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

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 the main body 90 is provided with a fluid outlet 91, the handle 100 comprises a handle inner shell 108 and a handle outer shell 103 sleeved outside the handle inner shell 108, the handle inner shell 108 is provided with a fluid inlet 101, the fluid inlet 101 is communicated with the fluid outlet 91 to form a fluid passage, a fan assembly 102 is arranged in the fluid passage, the fan assembly 102 is located in the handle 100, the fan assembly 102 comprises a fan blade and a motor driving the fan blade to rotate, the handle inner shell 108 comprises an inner front wall 111 and an inner rear wall 112 detachably connected, the outer surface of the inner front wall 111 is provided with a guide groove 109, the inner surface of the handle outer shell 103 is provided with a guide rib 104 corresponding to the guide groove 109, and the lower end of the handle inner shell 108 is provided with a first screw hole, the handle housing 103 is provided with a first mounting hole 105 corresponding to the first screw hole 110.

As shown in fig. 5-6, an extension portion 116 is disposed at the lower end of the handle inner shell 108, a clamping plate 115 is disposed at the connection between the extension portion 116 and the inner rear wall 112, a wire passing port 123 and a wire clamping hole 126 located above the wire passing port 123 are sequentially disposed at the lower end of the extension portion 116, wire dividing grooves 128 are disposed at two sides of the wire clamping hole 126, 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 passing port 123, a wire passing groove 129 through which a power supply wire passes is disposed on the outer surface of the extension portion 116, the wire passing groove 129 is communicated with the wire dividing grooves 128, a plurality of sets of wire clamping assemblies distributed along the length direction of the handle inner shell 108 are disposed on the outer surface of the handle inner shell 108, each set of wire clamping assembly includes two spacing pillars 113 disposed at intervals, one end of each spacing pillar 113 protrudes outward from the outer surface of the handle inner shell 108, and a wire, the wires sequentially penetrate from the wire through opening 123 and the wire clamping hole 126, penetrate outwards along the wire distributing groove 128 and the wire through groove 129, and are distributed through the plurality of wire clamping openings 114 from bottom to top.

The fluid inlet 101 is disposed at the connection position of the extension portion 116 and the inner handle shell 108, the fluid inlet 101 is disposed 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 portion 116 includes a left extension portion 117 and a right extension portion 118, the left extension portion 117 and the right extension portion 118 are connected by a fourth partition plate 224, the left extension portion 117 includes a first front arm 119 and a first rear arm 121 disposed at the front and rear sides of one end of the fourth partition plate 224, the right extension portion 118 includes a second front arm 120 and a second rear arm 122 disposed at the front and rear sides of the other end of the fourth partition 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 disposed between the left extension portion 117 and the right extension portion 118, a first pressing block 124 and a second pressing block 125 are disposed above the through-line 123, a pinch hole 126 is formed between first extrusion block 124 and second extrusion block 125, each of first extrusion block 124 and second extrusion block 125 is integrally formed with extension 116, the sides of the first squeezing block 124 and the second squeezing block 125 facing the inner handle shell 108 are provided with line-dividing blocks 127, a parting line groove 128 is formed between the first extrusion block 124 and the second extrusion block 125 and the corresponding parting line block 127, two first pressing blocks 124 are provided, the two first pressing blocks 124 are respectively and oppositely formed on the first front arm 119 and the first rear arm 121, two second squeezing blocks 125 are provided, two second squeezing blocks 125 are oppositely formed on the second front arm 120 and the second rear arm 122 respectively, the through line groove 129 is located on the second rear arm 122, a plurality of stop protrusions 130 arranged in a staggered manner are arranged on the outer surface of the second rear arm 122, and a line clamping area 131 is defined between the stop protrusions 130.

The lower end of the handle inner shell 108 is provided with the extension part 116, the extension part 116 is provided with the wire through port 123, the wire clamping hole 126, the wire branching groove 128 and the wire through groove 129, the outer surface of the handle inner shell 108 is provided with a plurality of groups of wire clamping assemblies distributed along the length direction of the handle inner shell 108, the plurality of groups of wire clamping assemblies respectively comprise two spacing columns 113 arranged at intervals, a wire clamping port 114 is formed between the two spacing columns 113 arranged at intervals, wires sequentially penetrate through the wire through port 123 and the wire clamping hole 126, and penetrate out along the wire branching groove 128 and the wire through groove 129 and are distributed by penetrating through the plurality of wire clamping ports 114 from bottom to top, so that the wires can be assembled more conveniently, 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 wire clamping 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 handle inner shell 108 has an installation platform 140 formed by inward recessing, two installation plates 141 arranged at intervals are arranged on the installation platform 140, the two installation plates 141 are vertically arranged on the outer surface of the middle portion 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 partition plate 142, a second partition plate 143 and a third partition plate 144 arranged at intervals are sequentially arranged in the installation space from top to bottom, a first installation groove 145 is defined between the first partition plate 142, the second partition plate 143 and the two installation plates 141, a second installation groove 146 is defined between the third partition plate 144 and the two installation plates 141, a through line gap 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, a first limit groove 167 corresponding to the first limit block 152 is arranged on the PCB 165, a third mounting groove 147 is defined between the second separation plate 143, the third separation plate 144 and the two mounting plates 141, a wire opening 150 is arranged on one side of the third mounting groove 147, 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 button 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, and the upper and lower ends of the toggle switch body 160 are respectively provided with a first conductive sheet 162 and a second conductive sheet 163, the first conducting strip 162 and the second conducting strip 163 are respectively electrically connected with a main control circuit board and a power line 132 of the hair dryer, the first separating plate 142 and the second separating plate 143 are respectively provided with a first abdicating groove 148 and a second abdicating groove 149 for the first conducting strip 162 and the second conducting strip 163 to extend outwards, the first conducting strip 162 is provided with two, the two first conducting strips 162 are distributed along the opening width direction of the first abdicating groove 148, the opening width of the first abdicating groove 148 is greater than that of the second abdicating groove 149, the mounting platform 140 is further provided with a switch cover plate 155, the switch cover plate 155 is respectively provided with a toggle cap 156 and a key 166 cap 157 corresponding to the toggle block 161 and the key 166, the toggle cap 156 is connected with the toggle block 161, the key 166 cap 157 is in contact connection with the key 166, the toggle cap 156 and the key 166 cap 157 respectively pass through the toggle block 161 abdicating hole 106 and the key 166 abdicating hole 107 on the handle shell 103 to extend outwards, the mounting platform 140 is further provided with a positioning hole 153, the switch cover plate 155 is provided with a positioning column (not shown) corresponding to the positioning hole 153, the second mounting groove 146 is further provided with a second screw hole 154, and the switch cover plate 155 is provided with a second mounting hole 158 corresponding to the second screw hole 154.

Through the surface setting mounting platform 140 of handle inner shell 108 upper end, the last mounting panel 141 that sets up two intervals of setting of mounting platform 140, the vertical middle part surface of locating mounting platform 140 of two mounting panels 141 to form the installation space who is used for installing the switch between two mounting panels 141, thereby need not to set up the mount pad alone in addition and be used for installing the switch, simplify the mounting structure of switch, reduce the equipment process, improve the packaging efficiency, reduce enterprise manufacturing cost, be convenient for disassemble the maintenance.

As shown in fig. 11-12, the silencer includes silencing cotton (not shown) annularly distributed inside the fluid inlet 101 and a positioning frame 176 for fixing the silencing cotton, the silencing cotton is located between the positioning frame 176 and the handle inner shell 108, the positioning frame 176 is provided with a abdicating through hole 177 for exposing the silencing cotton, one end of the positioning frame 176 near the fluid inlet 101 is provided with a honeycomb plate 179, the honeycomb plate 179 is provided with a plurality of closely arranged honeycomb holes 180, the honeycomb holes 180 penetrate through the upper and lower sides of the honeycomb plate 179, the inner surface of the handle inner shell 108 is provided with a positioning cavity, one end of the positioning cavity near the fluid inlet 101 is provided with a plurality of positioning grooves 172 annularly distributed, the silencing cotton is provided with a plurality of silencing cotton, the silencing cotton is installed in the corresponding positioning grooves 172, the width of the positioning grooves 172 in the fluid inflow direction is not more than 9mm, the width of the silencing cotton is adapted to the width of the positioning grooves 172, the both ends in location chamber all are equipped with location strip 173, be equipped with second spacing groove 174 on the location strip 173, be equipped with the second stopper 178 that corresponds with second spacing groove 174 on the location frame 176, handle inner shell 108 is including dismantling interior antetheca 111 and interior back wall 112 of connection, the location chamber is including being located interior antetheca 170 and interior back cavity 171 on antetheca 111 and the interior back wall 112 respectively, the lower extreme of location frame 176 is equipped with first location breach 181, be equipped with the location lug 175 that corresponds with first location breach 181 on the interior antetheca 170.

The sound-deadening cotton of the present invention may be replaced with felt.

As shown in fig. 13-14, an outer filter screen 200 disposed in a cylindrical shape is disposed on an outer side of the fluid inlet 101, a plurality of air inlet holes 201 communicated with the fluid inlet 101 are disposed on a sidewall 215 of the outer filter screen 200, the outer filter screen 200 is sleeved on an outer side of the extension portion 116, a first magnetic component 190 is disposed on the extension portion 116, a second magnetic component 205 is disposed on the outer filter screen 200, the outer filter screen 200 and the extension portion 116 are magnetically attracted and connected by the first magnetic component 190 and the second magnetic component 205, the first magnetic component 190 is disposed on a lower end surface of the extension portion 116, a bottom end plate 202 is disposed at a lower end of the sidewall 215, an accommodating cavity is defined between the sidewall 215 and the bottom end plate 202, the second magnetic component 205 is disposed on an inner surface of the bottom end plate 202, a plurality of positioning pillars 203 distributed in an annular shape are disposed on an inner surface of the bottom end plate 202, and a positioning through hole 206 corresponding to the positioning pillars 203 is disposed on, the lower extreme of extension 116 is equipped with the inlay hole 194 that is used for installing first magnetic component 190, inlay hole 194 has the opening of stepping down 195 that supplies first magnetic component 190 to expose the lower terminal surface of extension 116, first magnetic component 190 is the magnet, second magnetic component 205 is the hoop, outer filter screen 200's inboard still is equipped with interior filter screen 214 and the interior filter screen support 207 that is the tube-shape setting, interior filter screen 214 is located between extension 116 and the interior filter screen support 207, interior filter screen support 207 includes ring 208 and the lower ring 209 that is located ring 208 below, go up ring 208 and lower ring 209 and pass through connecting arm 210 and connect, the external diameter of going up ring 208 is greater than the external diameter of ring 209 down, the outside of connecting arm 210 is equipped with location sand grip 211, location sand grip 211 upper end is passed and is upwards stretched out by last ring 208, 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 positioning groove 204 with location sand grip 211 adaptation, 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 magnet may also be disposed on the outer filter screen 200, and the iron ring is correspondingly disposed on the extension 116.

The lower end of the handle 100 is provided with the extension part 116 and the outer filter screen 200 which is arranged in a cylindrical shape, the outer filter screen 200 is sleeved on the outer side of the extension part 116, the outer filter screen 200 is connected with the extension part 116 in a magnetic attraction manner, the magnetic attraction connection is adopted, a user can separate the outer filter screen 200 from the handle 100 only by using a certain force during disassembly, the outer filter screen 200 can be automatically attracted only by sleeving the outer filter screen 200 into the extension part 116 during installation, the installation and disassembly mode between the outer filter screen 200 and the handle 100 is simplified, and the outer filter screen 200 is conveniently disassembled 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 assembly is convenient.

As shown in fig. 15 to 16, the fluid inlet 101 is divided into a front inlet 220 and a rear inlet 221 by a fourth partition plate 224 on the extension portion 116, the first front arm 119 and the second front arm 120 are connected by the fourth partition plate 224, a front air guiding groove 222 is formed by enclosing the first front arm 119, the second front arm 120 and the fourth partition plate 224, a rear air guiding groove 223 is formed by enclosing the first rear arm 121, the second rear arm 122 and the fourth partition plate 224, the front air guiding groove 222 and the rear air guiding groove 223 are respectively communicated with the front inlet 220 and the rear inlet 221, the front air guiding groove 222 and the rear air guiding groove 223 are both arranged in a horn shape, the front air guiding groove 222 and the rear air guiding groove 223 are gradually enlarged 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 both provided with a fourth screw hole 225, the first rear arm 121 and the second rear arm 122 are both provided with a fourth screw hole 226 corresponding to the fourth screw hole 225, the first front arm 119 and the second front arm 120 are both provided with a limiting notch 227, and the first rear arm 121 and the second rear arm 122 are both provided with a limiting lug 228 corresponding to the limiting notch 227.

It should be noted that, in the present invention, the fourth dividing plate 224 may also be integrally formed with the first rear arm 121 and the second rear arm 122, and two fourth dividing plates 224 may also be provided, wherein one of the fourth dividing plates 224 is integrally formed with the first front arm 119 and the second front arm 120, and the other fourth dividing plate 224 is integrally formed with the first rear arm 121 and the second rear arm 122.

The extension part 116 is arranged at the lower end of the handle inner shell 108, the fluid inlet 101 is arranged at the joint of the extension part 116 and the handle inner shell 108, the extension part 116 comprises the left extension part 117 and the right extension part 118, the left extension part 117 and the right extension part 118 are connected through the fourth partition plate 224, the fourth partition plate 224 divides the fluid inlet 101 into the front inlet 220 and the rear inlet 221, when the hair dryer 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 partition plate 224, the phenomenon of turbulence caused by mutual interference of the wind on the front side and the rear side of the fourth partition plate 224 is avoided, the wind suction is smoother, the wind suction efficiency is improved, and the blowing; by adopting the front air guiding groove 222 and the rear air guiding groove 223 which are arranged in a horn shape, the resistance of the sucked air entering the fluid inlet 101 along the front air guiding groove 222 or the rear air guiding groove 223 is gradually reduced, and the air suction efficiency is improved.

In summary, the extension part 116 is arranged at the lower end of the inner handle shell 108, the extension part 116 is provided with the wire port 123 and the wire groove 129 communicated with the wire port 123, the outer surface of the inner handle shell 108 is provided with the plurality of wire clamping ports 114, the outer surface of the upper end of the inner handle shell 108 is provided with the switch, and the wire can penetrate through the wire port 123 and outwards penetrate out along the wire groove 129 and penetrate through the plurality of wire clamping ports 114 from bottom to top to be electrically connected with the switch, so that the wire can be assembled more conveniently, the assembly efficiency is improved, and the production cost of enterprises is reduced; 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, and a mounting space for mounting the switch is formed between the two mounting plates 141, so that the mounting structure of the switch is simplified, the assembly procedures are reduced, the assembly efficiency is improved, the production cost of an enterprise is reduced, and the disassembly and maintenance are convenient; by arranging the magnetic attraction connection between the outer filter screen 200 and the extension part 116, the mounting and dismounting mode between the outer filter screen 200 and the handle 100 is simplified, and the outer filter screen 200 is conveniently dismounted for internal cleaning; connect left extension portion 117 and right extension portion 118 through setting up fourth partition plate 224, the wind in the fluid entry outside leads along the front and back both sides side of fourth partition plate 224 respectively and enters 220 and back entry 221, avoids fourth partition plate 224 front and back both sides wind to disturb each other and produces turbulent phenomenon for it is more smooth and easy to induced draft, improves the efficiency of induced drafting, strengthens the effect of blowing of hair-dryer.

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

Claims (10)

1. The utility model provides a handle structure of hair-dryer, a serial communication port, includes the handle inner shell, handle inner shell lower extreme is equipped with the extension, the lower extreme of extension is equipped with the wire passing mouth, the surface of extension is equipped with the wire passing groove that the power supply line was outwards worn out, wire passing groove and wire passing mouth intercommunication, the surface of handle inner shell is equipped with the multiunit and follows the double-layered line mouth 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 wire passing groove outwards from the wire passing mouth to pass a plurality of double-layered line mouths and switch electric connection from bottom to top.

2. The handle structure of the hair dryer of claim 1, wherein a wire clamping hole is arranged above the wire passing hole, wire dividing grooves are arranged 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 passing hole, and the wire passing grooves are communicated with the wire dividing grooves.

3. The handle structure of the hair dryer of claim 1, wherein the outer surface of the inner handle shell is provided with a plurality of wire clamping assemblies distributed along the length direction of the inner handle shell, each wire clamping assembly comprises two spacing columns arranged at intervals, one end of each spacing column protrudes outwards from the outer surface of the inner handle shell, and a wire clamping port is formed between the two spacing columns arranged at intervals.

4. The handle structure for hair dryer of claim 1, wherein said extension has a plurality of stop protrusions formed on an outer surface thereof in a staggered arrangement, and a wire-clamping area is defined between the stop protrusions.

5. The handle structure of hair dryer of claim 1, wherein the outer surface of the upper end of the inner handle shell is provided with a mounting platform formed by inward concave, the mounting platform is provided with two mounting plates arranged at intervals, the two mounting plates are vertically arranged on the outer surface of the middle part of the mounting platform, a mounting space is formed between the two mounting plates, and the switch is arranged in the mounting space.

6. The handle structure of hair dryer of claim 5, wherein the installation space is provided with a first partition plate, a second partition plate and a third partition plate which are arranged at intervals in sequence from top to bottom, the first partition plate, the second partition plate and the two installation plates define a first installation groove therebetween, the third partition plate and the two installation plates define a second installation groove therebetween, the switch comprises a toggle switch for controlling the power supply and a button switch for controlling the 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 toggle block arranged on the toggle switch body, and the button switch comprises a PCB and a button arranged on the PCB.

7. The handle structure of hair dryer of claim 6, wherein said handle inner shell is externally sleeved with a handle outer shell, said handle outer shell is provided with a shifting block abdicating hole and a key abdicating hole for exposing the shifting block and the key.

8. The handle structure of the hair dryer of claim 1, wherein the fluid inlet is provided at the connection of the extension part and the inner handle casing, and is located at the lower end surface of the inner handle casing, the fluid inlet is an inlet in the axial direction of the inner handle casing, the extension part comprises a left extension part and a right extension part, the left extension part and the right extension part are connected by a fourth partition plate, and the fourth partition plate divides the fluid inlet into a front inlet and a rear inlet.

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

10. The handle structure of hair dryer of claim 8, wherein a silencer is disposed at the inner side of the fluid inlet, an outer filter screen disposed in a cylindrical shape is disposed at the outer side of the fluid inlet, a plurality of air inlet holes communicated with the fluid inlet are disposed at the side wall of the outer filter screen, the outer filter screen is sleeved at the outer side of the extension portion, and the outer filter screen and the extension portion are magnetically connected in an attraction manner.

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