The specific embodiment
Below, the embodiment that present invention will be described in detail with reference to the accompanying.Fig. 1 is the side view of the outward appearance of expression hair dryer of the present invention, and Fig. 2 is the side sectional view of hair dryer.
As Fig. 1 and shown in Figure 2, the hair dryer 1 of present embodiment possesses main part 2 and handle portion 8.In Fig. 1, user mode shown in Figure 2, the outward appearance of main part 2 and handle portion 8 is roughly T font.Handle 8 can be folding at linking part 11, and under the state (non-working condition, collapsed state) after folding, handle portion 8 becomes along the posture of main part 2.
Main part 2 has the housing 9 that becomes its shell.This housing 9 is combined by dividing body 10L and the dividing body 10R cut apart on the rotating shaft direction (direction perpendicular to paper of Fig. 1, Fig. 2) of handle portion 8, and forms roughly cylindric.
End in length direction one side (right side among Fig. 1,2) of the barrel of main part 2 is formed with the suction inlet 5 that extraneous air is brought into, and be formed with the blow-off outlet 6 that the air with body interior blows out to the outside in the end of an other side (left side among Fig. 1,2), be formed with from suction inlet 5 to blow-off outlet 6 air flow circuit 12 in the inside of main part 2.
Begin to dispose blowing portion 3, rectification part 15 and heating part 4 at air flow circuit 12 from upstream side.In addition, in the present embodiment, between suction inlet 5 and blowing portion 3, dispose filter house 18.Therefore, flow into by suction inlet 5 in the tube of main parts 2 and the air by filter house 18 after by 3 air-supplies of blowing portion, by rectification part 15 rectifications, blow out by heating part 4 heating and from blow-off outlet 6.
Blowing portion 3 comprises motor 16 and the fan 17 that is driven by these motor 16 rotations, by motor 16 rotation drive fan 17, produces air stream in air flow circuit 12.In addition, the action of motor 16 is by the switch 8a control that is located at handle portion 8.
Rectification part 15 has a plurality of flanks 13 and rectifying wings 14.In the present embodiment, utilize this flank 13 that motor 16 is fixed in the air flow circuit 12.
Heating part 4 comprises the heater (for example ceramic heater, not shown) that is housed in the maintenance frame 19 cylindraceous.In addition, heating part 4 can be opened and closed by the switch 2a that is located at main part 2.That is also heated air flow and directly using not.
4 the downstream in the heating part, air stream be because of the blast mouth of pipe 20 interior speed that further improve by the diameter space littler than the outlet 4a of the opposite side of the length direction of heating part 4, blows out to the outside from blow-off outlet 6 then.As shown in Figure 2, in the present embodiment, further the assembly mouth of pipe 21 is installed removably, with the flow velocity of adjusting the air that blows out from blow-off outlet 6a aptly and range of scatter etc. in the end of the opposite side of the length direction of main part 2.
In the tube of main part 2, be formed with the air flow circuit 12a that air flow point Lu Bingxiang mist generating unit 22 is imported from air flow circuit 12.In addition, (Fig. 1,2 upside) is formed with the spray painting outlet 7 that forms emission direction roughly the same with blow-off outlet 6 near the blow-off outlet 6 of main part 2.
In the present embodiment, mist generating unit 22 comprises electrostatic atomization portion 23 that carries out the electrostatic atomization effect in order to produce micronized water droplet (mist) and the circuit part 24 that drives electrostatic atomization portion 23.
Electrostatic atomization portion 23 possesses sparking electrode, earth electrode and Po Er and pastes element (Peltier Element) on substrate 25a; pasting element by Po Er makes airborne hydrogenesis and generates water droplet; by the high-tension electricity that is carried between sparking electrode and the earth electrode is played a role, make the water droplet micronize then.Micronized mist blows out to the outside from spray painting outlet 7.Circuit part 24 comprises substrate 25b and is installed in a plurality of electronic units 26 on the substrate, and its generation makes high-tension electricity that electrostatic atomization portion 23 plays a role and the generation of the mist of electrostatic atomization portion 23 is controlled.In addition, for mist generating unit 22, can switch the generation of mist by the switch 2b that is located at main part 2 and stop.
Handle portion 8 has the handle housing 8b as its shell.Handle housing 8b is combined by dividing body 27L and the dividing body 27R cut apart on the rotating shaft direction (direction perpendicular to paper among Fig. 1,2) of handle 8.Mains cord 29 is drawn from the leading section of handle portion 8 with the state that is coated the sleeve 28 that is roughly tubular.
In addition, in the present embodiment, handle portion 8 can be that center of rotation makes its front rotate and fold with linking part 11.Main part 2 sides at linking part 11 are provided with as base end side base end side linking part 30 partly.In addition, handle portion 8 sides at linking part 11 are provided with as front front linking part 31 partly.And, screw is run through be formed on the through hole 33 of base end side linking part 30 and be formed on the through hole 42 of front linking part 31, thereby under base end side linking part 30 and front linking part 31 relatively turnable states, link the two.
And the hair dryer 1 in the present embodiment is provided with the buckle structure that brings click effect in handle portion 8 jackknife action processes.Below, with reference to Fig. 3 to Fig. 6 instruction card buckle structure.Fig. 3 is the stereogram of buckle structure of the linking part of the expression main part that is located at hair dryer, Fig. 4 is formed in the enlarged drawing of accommodating recess of the recess of base end side linking part, Fig. 5 is the vertical view of expression engaging bearing part, in addition, Fig. 6 be from the end on observation of turning cylinder to the handle of hair dryer and the vertical view that is installed in the buckling body on the handle.
In the present embodiment, at base end side linking part 30 deck parts 36 are installed, these deck parts 36 have the projection 45 of the portion that is stuck to the outstanding conduct of the direction inwardly radially of turning cylinder A.In addition, at front linking part 31 buckling body 44 is installed, this buckling body 44 has to the outstanding projection 44c as the holding section of the radial outward direction of turning cylinder A.And, when base end side linking part 30 and front linking part 31 are relatively rotated,, these projections can obtain click effect by being crossed each other.
As shown in Figure 3, be formed with the annular recessed portion that is roughly ring-type 35 of accommodating the buckling body 44 that is roughly ring-type at base end side linking part 30, on inner peripheral surface 32a, be formed with to outstanding a plurality of projections 45 of direction inwardly radially as the side of the radial outward direction of this annular recessed portion 35.In a side (front of handle portion 8, the downside among Fig. 3), be provided with roughly certain width and be the rib wall 41 that extends circular-arcly with respect to annular recessed portion 35 connector shanks 8.Be located at projection 41a on this rib wall 41 as making rib wall 41 itself in a plurality of projections 45 to the outstanding projection 41a of direction inwardly radially.Three projection 45a, 45b, 45c being provided with beyond rib wall 41 are located on the deck parts 36.
As shown in Figure 4, deck parts 36 possess: the roughly strap 37 of extending along the circular arc that with turning cylinder A is the center, a plurality of (the present embodiment the being three) 37b of wall portion that extend to direction outwardly radially from strap 37 and erect the cylindrical portion 37c that is provided with along turning cylinder A direction in the front of the 37b of wall portion.And,, be formed with the cross section in the part of the radially inner side that becomes turning cylinder A and be the projection of arch (raised line) 38a roughly at cylindrical portion 37c.
Be formed with corresponding with the strap 37 roughly circular-arc recess 35b that accommodates at the bottom surface of annular recessed portion 35 35a, strap 37 embeds this and accommodates in the recess 35b.
As shown in Figure 5, the inner peripheral surface 32a of annular recessed portion 35 be formed with the abutment portion 37e corresponding groove shape of the radial outside that becomes turning cylinder A accommodate recess 32A, abutment portion 37e is embedded in this and accommodates in the recess 32A.And, be formed with engaging protuberance 32f, 32e, 32g respectively at the bottom surface 32b that accommodates recess 32A and side 32c, 32d, be formed with respectively and engage protuberance 32f, engaging recessed part 38f, 38e, 38g that 32d, 32g are corresponding at the bottom surface of abutment portion 37e 38b and side 38c.In this structure, the engaging protuberance 32f that is located at the bottom surface 32b that accommodates recess 32A has and prevents the effect of cylindrical portion 37c to the circumferential disengagement of turning cylinder A, and engaging protuberance 32e, the 32g that is located at the side of accommodating recess 32A has the effect that prevents that this cylindrical portion 37c from throwing off to direction inwardly radially.In addition, by adjusting the height of engaging protuberance 32f, the intensity of the elastic force click effect in the time of can changing the thickness of projection 45a, 45b, 45c and projection 44c and cross projection 45a, 45b, 45c.Mould during based on resin forming with the degree of depth that engages the protuberance corresponding concave part, can adjust the height of engaging protuberance 32f with comparalive ease.
Be provided with at the central part of annular recessed portion 35 and form the axle sleeve 34 (with reference to Fig. 3) as bearing roughly cylindraceous.In the tube of this axle sleeve 34, be formed with the through hole 33 that is penetrated with the bolt that makes handle portion 8 and main part 2 bindings.In addition, when being provided with at end on observation, the outer peripheral face of axle sleeve 34 is roughly fan-shaped a pair of projection 34a.
The buckling body 44 that is housed in the annular recessed portion 35 is installed in leading section linking part 31.As shown in Figure 6, be provided with under the state after the assembling bearing surface 31a with bearing surface 30a (with reference to Fig. 3) butt of base end side linking part 30 at front linking part 31.Outstanding being provided with a pair ofly is roughly fan-shaped projection 43a when observing vertically on this bearing surface 31a, and surrounds with the radial outside from turning cylinder A outside the mode of this projection 43a and be embedded with the buckling body 44 that is roughly ring-type.Outer peripheral face at projection 43a is formed with chimeric recess 43b, embeds the base portion 44a that has from the ring-type of buckling body 44 to the outstanding fitting projection 44b of radially inner side at this chimeric recess 43b.In addition, the approximate centre portion at bearing surface 31a is formed with the through hole 42 that is penetrated with screw and runs through through hole 33.
Buckling body 44 is provided with from base portion 44a to the outstanding projection 44c of radial outside.In the present embodiment, be that two positions that the center becomes symmetric position promptly are provided with projection 44c in 180 degree along the circumferential interval of turning cylinder A with turning cylinder A.
According to said structure, if assembling base end side linking part 30 and leading section linking part 31, the buckling body 44 that then is installed in front linking part 31 is housed in the annular recessed portion 35 of base end side linking part 30.If turning handle portion 8, then the projection 44c as the holding section engages with the projection 45 that conduct is stuck portion, if further rotate, then the projection 44c that is pushed down by projection 45 flexibly is retracted into radially inner side, and projection 44c, 45 crosses each other, thereby obtains click effect.Base portion 44a by ring-type is to flatten ground mode generation strain, and the projection 44c of buckling body 44 forms and is retracted into.And, be provided with a pair of projection 32h at the inner peripheral surface 32a of annular recessed portion 35 to radially inner side is outstanding, described a pair of projection 32h be positioned at turning cylinder A be the center symmetry and with as on different other positions of the projection 45 that is stuck portion.When the base portion 44a of the ring-type of buckling body 44 distortion, the outer peripheral face butt of these projections 32h and this base portion 44a is the excessive deformation of buckling body 44 to bloating of radial outside thereby limit base portion 44a.
Below, with reference to Fig. 7 to Fig. 9, the action of buckling body during to turning handle and deck parts describes.Fig. 7 be the end on observation of turning cylinder to only contain the vertical view of the state of buckling body at the base end side linking part, it shows the state of handle after stretching, extension; Fig. 9 be from the end on observation of turning cylinder to only contain the vertical view of the state of buckling body at the base end side linking part, it shows the state of handle after folding; Fig. 8 be from the end on observation of turning cylinder to only contain the vertical view of the state of buckling body at the base end side linking part, it shows the state that handle is in the centre position of Fig. 7 and Fig. 9.
If begin with respect to main part 2 turning handle portions 8 from state shown in Figure 7, then the projection 44c of buckling body 44,44c will cross projection 45a, the 45c of deck parts 36 and become state shown in Figure 8.If with respect to main part 2 turning handle portions 8, then the projection 44c of buckling body 44,44c will cross the projection 41a of the projection 45b of deck parts 36 and rib wall 41 and become state shown in Figure 9 from state shown in Figure 8.
In the present embodiment, with respect to a pair of projection 44c, the 44c that are located at buckling body 44, be a pair of projection 45a, the 45c of center balanced configuration with turning cylinder A at deck parts 36, corresponding with another projection 41a to projection 45b and rib wall 41.Thus, can make the pressing force when crossing with respect to buckling body 44 and deck parts 36 is center generation effect and counteracting symmetrically with turning cylinder A.Therefore, utilize projection 44c, 45 pressing force each other when crossing, can suppress radial load to base end side linking part 30 or 31 effects of front linking part.
And a pair of projection 45a, the 45c in the projection 45 of deck parts 36 plays a role as projection 45a, the 45c of the extended configuration that keeps handle portion 8, and another then becomes projection 45b, the 41a of the folded state that keeps handle portion 8 to projection 45b, 41a.
At this, in the present embodiment, make base end side linking part 30 different with the material of deck parts 36, especially use the sliding material higher to form deck parts 36 than the material of base end side linking part 30.Particularly, for example use acrylonitrile-butadiene-styrene (ABS) (ABS), Merlon amorphism plastic materials such as (PC) to form base end side linking part 30 (housings 9).In addition, for example use polyamide (PA), polyformaldehyde (POM), PETG (PET), polypropylene sulfide crystallinity plastic materials such as (PPS) to form deck parts 36.The material of base end side linking part 30 is suiting aspect hear resistance, low flammability, the aesthetic property, and the material of deck parts 36 is suiting aspect sliding, the rigidity.
As mentioned above, in the present embodiment, make as the material of the projection 45 that is stuck portion different with the material of the base end side linking part 30 of the base end side part that the deck parts 36 with this projection 45 are installed regularly.Therefore, for housing 9 integrated base end side linking parts 30, can select the desired material of shell (housing) with character such as hear resistance, low flammability and surface aesthetic are good.In addition, for deck parts 36, can select to have the material of the character that the stress that produces is repeatedly remained valid.That is, be stuck portion and base end side linking part 30 and can select suitable material respectively, more can improve the durability of buckle structure than the situation that forms the portion that is stuck at base end side linking part 30 with suitable material.
In addition, in the present embodiment, formed projection 45 than base end side linking part 30 higher materials with sliding.Therefore, can suppress to concentrate, and further improve the durability of buckle structure with respect to the stress of deck parts 36.
In addition, in the present embodiment, formed projection 45 with the crystallinity plastic material.Therefore, can suppress to concentrate, and further improve the durability of buckle structure with respect to the stress of deck parts 36.
In addition, in the present embodiment, be provided with deck parts 36 with a plurality of projections 45.Therefore, a plurality of projections 45 can be installed once, thereby can further boost productivity.
In addition, in the present embodiment, be provided with the engaging protuberance 32e, 32f, the 32g that suppress the anticreep that projection 45 deviates from from base end side linking part 30.Therefore, can on base end side linking part 30, install more securely as the deck parts 36 that are stuck portion.
In addition, in the present embodiment, the projection 41a that is configured in front that is located in a plurality of projections 45 of base end side linking part 30 is located on the rib wall 41, will be located at projection 41a on the rib wall 41 as the part of base end side linking part 30, and adopts identical material.Therefore, even for form embedding accommodating recess 32A and can't guaranteeing that the position of wall thickness radially also can be provided with projection 45 (41a) of deck parts 36.That is, can make the structure miniaturization more of linking part 11.
More than, though preferred implementation of the present invention is illustrated, the invention is not restricted to this, it also can have various distortion.For example, in said embodiment, though is that example be described with this part that is stuck portion is installed regularly as different parts will be stuck portion, also can be by being stuck portion and this part that is stuck portion is installed will regularly carry out dual-color forming so that the two material is different.
In addition, as shown in Figure 2, in said embodiment, for the mist generating unit 22 that is built in main part 2, though formed substrate 25a that the electrostatic atomization portion 23 that carries out the electrostatic atomization effect is installed and the substrate 25b that the electronic unit 26 that drives electrostatic atomization portion 23 is installed respectively, but also electrostatic atomization portion 23 and electronic unit 26 can be installed on the substrate 25 as shown in figure 10.