CN209463499U - A kind of hair dryer - Google Patents

Abstract

The utility model relates to household appliance technical fields, in order to solve the problems, such as that the air quantity of hair dryer booting moment and wind pressure are excessive in the prior art, provide a kind of hair dryer, Handleset, fan unit air inlet and air outlet including shell and cage connection；Fan unit enters hair dryer from air inlet and blows out to form main air duct from air outlet for suction airstream, wherein, main air duct includes the axial section extended along the axis direction of shell, it is equipped in shell and has notch cylinder jaggy, the cylindrical wall of notch cylinder and interior of shell limits the axial section, notch has the maximum width A perpendicular to notch cylinder axial direction along the projection perpendicular to notch cylinder axis, notch cylinder has the maximum width D perpendicular to notch cylinder axial direction, 0.1≤A/D≤1 along the projection perpendicular to notch cylinder axis.Keep hair dryer smaller in the air quantity and wind pressure of booting moment, prepares to user psychology, then air quantity and wind pressure become larger and tend to the constant hair dryer convenient for flash baking hair.

Description

A kind of hair dryer

Technical field

The utility model relates to household appliance technical field more particularly to a kind of hair dryers.

Background technique

In the prior art, hair dryer includes shell, conduit, and being drawn into the air-flow in hair dryer by fan unit includes The axial section extended between shell and conduit, the air-flow is roughly annular, and such mode is conducive to the air-flow edge in shell The guiding of the side wall of shell and conduit quickly blown out from hair dryer.

But such mode, after hair dryer is powered, fan unit is drawn into the air-flow in hair dryer and can rapidly blow out, If when in use, the position face face of air outlet, the air-flow of hair dryer blowout blows against one's face, especially Wind Volume, strong wind The hair dryer of pressure can make one to get a fright, temporarily hold the breath under the action of air-flow；Alternatively, making air outlet be directed at hair When (long hair schoolgirl may first be blown afloat from the hair tip), scalp, after hair dryer booting, the air-flow moment of big wind pressure blows to hair, scalp, So that hair, scalp moment is born biggish power, causes discomfort.Small wind file position is first opened, then switches to strong wind gear, operation is compared again Trouble.Moreover, the reduction of hair drying efficiency can be made by having if air quantity and wind pressure are smaller.

Utility model content

In order to solve the problems in the prior art, the utility model provide one kind can under same gear booting moment wind Amount, wind pressure are smaller, and with the extension of available machine time, air quantity, wind pressure become larger, stablize, and airflow pressure loss lesser one Kind hair dryer, gives the good usage experience of user.

The technical solution of the utility model is as follows:

A kind of hair dryer, including shell, with the Handleset of cage connection, fan unit, heating unit, air inlet and go out Air port；

The fan unit enters hair dryer from air inlet and blows out to form main air duct from air outlet for suction airstream, institute Heating unit is stated for heating the air-flow；

The fan unit includes flabellum and the motor for driving the flabellum to rotate；

Wherein, the main air duct includes the axial section extended along the axis direction of shell, and being equipped in the shell has The cylindrical wall of the notch cylinder of notch, the notch cylinder and interior of shell limits the axial section, and the notch is along perpendicular to scarce The projection of mouth cylinder axis has the maximum width A perpendicular to notch cylinder axial direction, and the notch cylinder is along perpendicular to notch cylinder axis Project the maximum width D having perpendicular to notch cylinder axial direction, 0.1≤A/D≤1.

Benefit be can to hair dryer start moment air quantity and wind pressure buffer and reduce wind loss；Work as A/D When > 1, notch is too big, blow out a large amount of air-flow accumulation cannot from air outlet in time inside the shell, keeps wind loss serious；When When A/D > 0.1, notch is too small, and the buffering effect of air quantity and wind pressure to hair dryer starting moment is unobvious.

Preferably, the notch extends along the axis direction of notch cylinder, and the notch is along the throwing perpendicular to notch cylinder axis Shadow also has maximum length B, the A < B for being parallel to notch cylinder axial direction.Benefit is the air quantity and wind that can start moment to hair dryer It is pressed into row buffering, and wind loss can be reduced.

Preferably, 0.1≤A/D≤1/2.

Preferably, the cylindrical wall is the inner sidewall of shell, the axial section by shell inner sidewall and notch cylinder Lateral wall limits, and benefit is that structure is simple, and cost is relatively low, and assembling process is simple；Alternatively, the cylindrical wall is an independent component, Institute's axial section is limited by the inner sidewall of cylindrical wall and the lateral wall of notch cylinder, and benefit is when heating unit is arranged in axial section When middle, which can play heat-insulated effect, and making hair dryer, shell will not become warm to hot after prolonged use, make outer The temperature rise of shell is in the acceptable scope of human body.

Preferably, the fan unit is set in Handleset, and the air inlet is set on Handleset, the cylindrical wall It is equipped with air flow inlet, enters interior of shell from the air flow inlet by the air-flow that fan unit is drawn into Handleset, institute It states notch to extend at air flow inlet, and notch is arranged in a staggered manner with air flow inlet.

Benefit is to make the air-flow of axial section in cylindrical wall and notch cylinder after guaranteeing that air-flow is able to enter in shell Limit lower extend from simultaneously air outlet blowout.

Preferably, the notch is located at the top of cylindrical wall axis.

Benefit is, when blowing hair using hair dryer, the position of position more below above housing axis is relatively distant from head Epidermis face, wind pressure and air quantity are relatively small at the setting position of the corresponding internal notch of air outlet, make air outlet wind pressure and air quantity compared with The big position long period against hair, is conducive to flash baking hair.

Preferably, the notch is oppositely arranged with air flow inlet.

Preferably, the perforation for entering the air-flow of main air duct in notch cylinder, the twelve punch y are additionally provided on the notch cylinder In cylindrical wall axis lower section and be oppositely arranged with air flow inlet.

Benefit is to enter air-flow in notch cylinder by shortest path, reduces wind loss.

Preferably, the notch cylinder is equipped with air-flow guide part, and the air-flow guide part makes the air-flow entered in notch cylinder Axis direction along shell extends.

Benefit is to change the direction for entering notch cylinder air-flow by the setting of air-flow guide part, prolong it in the axial direction It stretches, drives the flowing of shell interior air-flow, the especially flowing of the air-flow of indentation, there storage, blow out it from interior of shell.

Preferably, the front end of the notch cylinder is equipped with an auxiliary air-outlet, and the air-flow in the notch cylinder goes out from the auxiliary Air port blowout.Benefit is to increase air quantity and wind pressure.

Detailed description of the invention

Fig. 1 is the complete machine structure schematic diagram of hair dryer described in the utility model.

Fig. 2 is the cross-sectional view 1 of S meaning in Fig. 1 in an example described in the utility model.

Fig. 3 is the cross-sectional view 2 of S meaning in Fig. 1 in another example described in the utility model.

Fig. 4 is the cross-sectional view 3 of S meaning in Fig. 1 in another example described in the utility model.

Fig. 5 is the structural schematic diagram of notch cylinder in an example described in the utility model.

Fig. 6 is another angled arrangement schematic diagram of notch cylinder described in the utility model.

Fig. 7 is the another angled arrangement schematic diagram of notch cylinder described in the utility model.

Fig. 8 is the structural schematic diagram of the first air outlet described in the utility model.

Fig. 9 is the structural schematic diagram of another angle of the first air outlet described in the utility model.

Figure 10 is the schematic diagram of another structure of notch cylinder described in the utility model.

Figure 11 is the schematic diagram of the another structure of notch cylinder described in the utility model.

Figure 12 is the schematic diagram of notch cylinder described in the utility model another structure again.

Figure 13 is the another structural schematic diagram of the first air outlet described in the utility model.

Figure 14 is the structural schematic diagram of non-close pipeline described in the utility model.

Figure 15 is the structural schematic diagram of heating unit described in the utility model.

Figure 16 is the structural schematic diagram in auxiliary air duct described in the utility model.

Figure 17 is the structural schematic diagram of commutation access described in the utility model.

Figure 18 is the another structural schematic diagram of commutation access.

Marked the names of the parts are as follows in figure:

1, shell；2, Handleset；3, heating unit；301, mica sheet；3011, free end；302, heating wire；4, first Air inlet；5, the first air outlet, 6, axial section；7, notch cylinder；701, notch；702, it perforates；703, the second notch；8, tubular Wall；9, communication port；10, air flow inlet；11, auxiliary air-outlet；12, open end；13 opening portions；14, extension；15, it second lacks Mouthful；16, it is open；17, outlet air component；171, barriers；172, outer ring；173, rib；18, non-close pipeline；19, first Point；20, second part；21, barrier flaps；22, auxiliary air duct；2201, entrance；2202, outlet section；23, the second air outlet；24, Mixed airflow outlet；25, commutate access；26, wind-guiding inclined-plane.

Specific embodiment

The content of the utility model is described in detail with reference to the accompanying drawing.

As shown in Figures 1 to 6, a kind of hair dryer including shell 1, the Handleset connecting with shell 12, fan unit, adds Hot cell 3, the first air inlet 4 and the first air outlet 5；

The fan unit enters hair dryer from the first air inlet 4 for suction airstream and blows out shape from the first air outlet 5 At main air duct, the heating unit 3 is for heating the air-flow；

The fan unit includes flabellum and the motor for driving the flabellum to rotate (fan unit is being not shown in the figure)；

Wherein, the main air duct includes the axial section 6 extended along the axis direction of shell 1, is equipped with tool in the shell 1 Jagged 701 notch cylinder 7, the notch cylinder 7 limit the axial section 6 with the cylindrical wall 8 inside shell 1.Axial section 6 Air flow direction arrow is signified such as in 2,3,4.

Fan unit can be set in shell 1, at this point, the first air inlet 4 is located at the rear end of shell 1, air port at first Positioned at the front end of shell 1, heating unit 3 is set in shell 1, and is located in axial section 6；Fan unit also can be set in hand In handle component 2, at this point, the first air inlet 4 is set on Handleset 2, and the first air inlet 4 is located at the lower section of fan unit, Air outlet is located at the front end of shell 1, and heating unit 3 can be set in shell 1, and be located in axial section 6, also can be set In Handleset 2.

As shown in Figure 2,4, the cylindrical wall 8 inside shell 1 can be the inner sidewall of shell 1, the axial section 6 of main air duct by The inner sidewall of shell 1 and the lateral wall of notch cylinder 7 limit；It is also possible to the inner cylinder being arranged in shell 1, is an individual structure The axial section 6 of part, main air duct is limited by the inner sidewall of inner cylinder and the lateral wall of notch cylinder 7.

By the setting of the notch 701, so that the fraction of axial section 6 is scarce at this in the moment of hair dryer starting Collect at mouthfuls 701 and stores or the air-flow of axial section 6 enters the inner space of notch cylinder 7, residual air by notch 701 It flows along cylindrical wall 8 with the spatially extended of 7 lateral wall of notch cylinder restriction and from air outlet blowout, thus reduces the wind for starting moment Amount and wind pressure；With the lengthening of hair dryer working time, the air-flow at notch 701 or in notch cylinder 7 gradually collects until full With, air quantity and wind pressure are also gradually increased, are gradually constant, improve user experience.

Notch 701 is specifically described below, as shown in figure 5, axis (b- of the notch 701 along notch cylinder 7 B ') direction extension, not less than 1/2, the length of notch 701 is L1 for the length of the notch 701 and the length ratio of notch cylinder 7, The maximum length B of notch cylinder 7.Notch 701 can extend since the upstream end thereof of notch cylinder 7, can also be from close to upstream end The position in portion is extended." upstream " refers to that, close to 1 back-end location of shell, " downstream " refers to far from shell 1 in the utility model The position of rear end.In this example, the length of notch 701 and the length ratio of notch cylinder 7 are 0.95.Increase storage wind region area, has Effect buffers the air quantity and wind pressure of electric motor starting moment.

The notch 701 has the maximum width A axial perpendicular to notch cylinder 7 along the projection perpendicular to 7 axis of notch cylinder, The notch cylinder 7 has the maximum width D, 0.1≤A/D axial perpendicular to notch cylinder 7 along the projection perpendicular to 7 axis of notch cylinder ≤ 1, benefit be can to hair dryer start moment air quantity and wind pressure buffer and reduce wind loss；As A/D > 1 When, notch 701 is too big, and accumulating in a large amount of air-flow in shell 1 cannot blow out from air outlet in time, keeps wind loss serious； As A/D > 0.1, notch 701 is too small, and the buffering effect of air quantity and wind pressure to hair dryer starting moment is unobvious.It is preferred that 0.1 ≤ A/D≤0.5, A/D=0.3 in this example.Further, the notch 701 extends along the axis direction of notch cylinder 7, the notch 701 also have maximum length B, A the < B for being parallel to 7 axial direction of notch cylinder along the projection perpendicular to 7 axis of notch cylinder, and benefit is both The air quantity of moment can be started to hair dryer and wind pressure buffers, and wind loss can be reduced.

As shown in fig. 6, the central angle of the notch 701 is α, 15 °≤α≤180 °, benefit is can to start to hair dryer The air quantity and wind pressure of moment plays buffering, and can guarantee that the loss of wind pressure and air quantity is not serious, flash baking hair；When 15 ° of α < When, notch 701 is too small, and the buffering effect of air quantity and wind pressure to hair dryer starting moment is unobvious；When 180 ° of α >, notch 701 is too big, and accumulating in a large amount of air-flow in shell 1 cannot blow out from air outlet in time, keeps wind loss serious.More into one Step, 15 °≤α≤90 °, wherein it is preferred that 30 °≤α≤60 °, α=45 ° in this example.Central angle alpha is to form the both ends of notch 701 to arrive The longest two lines of 7 axis of notch cylinder are formed by angle.

As shown in Figure 2,3, 4, the Handleset 2 forms the communication port 9 for being connected to the two with 1 junction of shell, described Notch 701 extends to the upstream side of communication port 9；Alternatively, the Handleset 2 is connected to the two with the formation of 1 junction of shell Communication port 9, the notch 701 extend to/cross the downstream side of communication port 9；Or the notch 701 extends to communication port 9 Between upstream side and downstream side.In this example, notch 701 crosses the downstream side of communication port 9.

The communication port 9 is arranged in a staggered manner with notch 701, and " being staggered " in the utility model refers to that the edge of notch 701 is equal It is staggered with communication port 9, communication port 9 is reached on notch cylinder 7 apart from the shortest side wall for notch cylinder 7.The notch 701 is located at outer The top of 1 axis of shell, further, notch 701 are arranged about the axisymmetrical of Handleset 2.

As shown in FIG. 3 to 7, the notch cylinder 7 is equipped with the perforation 702 for making the air-flow of main air duct enter notch cylinder 7, described Perforation 702 and the projection of notch 701 are at least partly overlapped.Perforation 702 is parallel with the projection of the axis of notch 701 or is overlapped, excellent The projection of the projection covering perforation 702 of notch 701 is selected, that is, the projection of the axis of perforate 702 and notch 701 is overlapped.It is lacked in this example The axis of mouth 701 is parallel with axis (b-b ') of notch cylinder 7.

Further, as shown in figure 5,702 width of perforation can be of same size with notch 701；Alternatively, perforation 702 Width is less than the width of notch 701；Alternatively, the width of perforation 702 is greater than the width of notch 701.In this example, perforate 702 width Degree is less than the width of notch 701.The width of perforation 702 is K1, is referred to along the direction projection perpendicular to 7 axis of notch cylinder, vertically In the maximum width of 7 axis of notch cylinder；The length of perforation 702 is K2, is referred to along the direction projection perpendicular to 7 axis of notch cylinder, It is parallel to the maximum length of 7 axis of notch cylinder.

Further, perforate 702 length be less than notch 701 length, to reduce the loss of air quantity, wind pressure.

Further, perforate 702 center line (kc-kc ') it is parallel with the projection of the center line of Handleset 2 or be overlapped. It should be understood that the center line of perforation 702 intersects with the projection of 2 center line of Handleset.

Further, the perforation 702 is located at the lower section of 8 axis of cylindrical wall and is oppositely arranged with air flow inlet 10.

Further, the notch cylinder 7 is equipped with air-flow guide part, and the air-flow guide part makes to enter in notch cylinder 7 Air-flow extends along the axis direction of shell 1.Air-flow guide part is not show in wind-guiding inclined-plane 26(figure on 7 side wall of notch cylinder Out), the inclined-plane is preferably streamlined, reduces wind loss；It is also possible to be located on the other structures part inside notch cylinder 7 Wind-guiding inclined-plane 26.

Further, the front end of the notch cylinder 7 is equipped with an auxiliary air-outlet 11, the air-flow in the notch cylinder 7 from this Auxiliary air-outlet 11 is blown out, and benefit is to increase air quantity and wind pressure.

It should be understood that the notch cylinder 7 is equipped with the perforation 702 for making the air-flow of main air duct enter notch cylinder 7, it is described to wear Hole 702 is located at the upstream side of 701 starting point of notch, and the two is oppositely arranged.

When fan unit is arranged in Handleset 2, the first air inlet 4 is arranged on Handleset 2, and the first air inlet Mouthfuls 4 are located at the lower section of fan unit, and the main air duct includes the vertical section limited by Handleset 2, the Handleset 2 with 1 junction of shell limits the air flow inlet 10 that air-flow enters axial section 6 from vertical section, the notch 701 and air flow inlet 10 are arranged in a staggered manner.Air flow inlet 10 is arranged in cylindrical wall 8 and air flow inlet 10 and communication port 9 are correspondingly arranged, and air flow inlet 10 center line is identical as the center line of Handleset 2.The notch 701 is located at the top of 8 axis of cylindrical wall (a-a '), makes to erect Most of air-flow is directly blown out from air outlet after the air-flow of straight section enters axial section 6, reduces the loss of air quantity and wind pressure；Together When be conducive to flash baking hair again；And further, the notch 701 is oppositely arranged with air flow inlet 10.Further, described Notch cylinder 7 is equipped with the perforation 702 for entering the air-flow of main air duct in notch cylinder 7, and the perforation 702 is located at 8 axis of cylindrical wall Lower section and be oppositely arranged with air flow inlet 10, benefit is that the air-flow of vertical section is made to enter notch cylinder 7 by shortest distance Inside reduces the loss of air quantity.

Another example, the notch 701 are the perforation 702 allowed airflow into notch cylinder 7.

As shown in Fig. 8 to 14, first air outlet 5 is positioned at the non-closed gap of 6 end of axial section.This is practical new In type, " non-closed gap " refers to that the first air outlet 5 has that there are two shapes between open end 12 and open end 12 as a whole At region (referred to as opening portion 13) be not used in main air duct 6 air-flow of axial section blowout long and narrow gap.It is non-closed Gap can be the gap that a continuous air-flow for main air duct axial section 6 is blown out；It is also possible to multiple small be used for The gap of the air-flow blowout of main air duct axial section 6 is composed and (can regard as and pass through muscle among a continuous gap Item 173 is interrupted to increase intensity), opening portion is formed between the starting point of first small gap and the end of the last one small gap It can be entity or other forms between 13 open ends 12.

By make first air outlet 5 " non-closed slit " benefit be from the first air outlet 5 blow out air-flow wind pressure compared with Greatly, which drives the air-flow of the opening portion 13 of non-closed slit to flow, this strand of air-flow wind pressure is smaller, outside hair dryer 5 certain distance of the first air outlet of distance and two strands of air-flows pool one air-flow before not reaching hair surface, suitably reduction wind pressure, When blowing long hair, it is not easy to the angle of waving for blowing hair is excessive, blow during hair and after having blown it is more in disorder；When hair compared with In short-term, smaller to the dynamics of root of hair application, when user only needs to dry up hair without moulding, blow to for a long time One direction will not change the original direction of root of hair, and the hair after having blown is made to be easier to arrange.

As shown in figure 9, the width in the non-closed gap is d, 1mm≤d≤20mm, wind pressure can be improved and make list Air output in the time of position is more；As d < 1mm, the air output in the unit time is less, and more air-flow accumulates in shell 1 It is internal；As d > 20mm, air-flow is not concentrated when blowing out from the first air outlet 5, and hair drying efficiency is slow.Further, 5mm≤d ≤ 10mm, preferably d=8mm.The width in the non-closed gap is d, length L, and 0.05≤d/L≤0.5, benefit is to take into account out Air quantity and wind pressure；As d/L < 0.05, in the case where length L is certain, less, the more gas of air output in the unit time Stream accumulates in inside shell 1, in the case where width d is certain, machine volume can be made to become larger, unsightly and not easily contained；Work as d/L When > 0.5, in the case where length L is certain, air-flow in shell 1 can quickly be blown out from the first air outlet 5, but wind pressure compared with It is small, it is unfavorable for dispelling wet hair, in the case where width d is certain, the air-flow blowout being unfavorable in shell 1 accumulates in air-flow outer Inside shell 1, air quantity generates loss.Width d, which refers to, carries out non-closed gap along the centerline direction perpendicular to non-closed gap Section, the line being parallel on non-closed gap between the farthest two o'clock of distance of the center line vertical line；Length L refers to that the two is non- The length of line between the center and distal center two o'clock of the starting point of closed gap is bent if it is the line between two o'clock Line, the length for the camber line that the shape of the curve is close with the shape in non-closed gap are that L(is being not shown in the figure).

The non-closed gap has an opening portion 13, the central angle β of the opening portion 13, and 15 °≤β≤180 °, benefit is, The wind pressure for reaching hair reduction, air-flow can be made to blow out out of shell 1 in time and wind pressure is made to generate greater loss；Work as β At 15 ° of <, wind pressure reducing effect is unobvious, hair be easy to be blown it is in disorder, if in order to dry up hair for a long time against root of hair It blows, is easy that root of hair is made to obtain undesired trend；When β > 180 is only, the first air outlet 5 is too small, is easy to accumulate in air-flow It can be blown out in time from the first air outlet 5 inside shell 1, cause wind loss.Central angle β refers to that the both ends of opening portion 13 are (i.e. non- The starting point and end of closed gap) angle formed by line with the center in non-closed gap；If the both ends of opening portion 13 It is in irregular shape with certain width or end, then it is the line of centres length with non-closed gap respectively on the both ends The smallest two lines angulation.Further, 15 °≤β≤90 °, preferably β=45 °.It is non-that central angle β refers to that open end 12 is arrived The longest two lines of closed gap center line are formed by angle.The 701 notch cylinder 7 of center line and notch in non-closed gap Axis is identical.The air-flow portion of main air duct is blown out from opening portion 13.

The width in the non-closed gap is d, and opening portion 13 is along the projection tool perpendicular to non-closed slit centers line direction There are maximum width d1,0.1≤d/d1≤1, benefit is that opening portion 13 can be made to play the role of reducing whole wind pressure and make to lead The air-flow in air duct is blown out in time, is prevented air-flow from accumulating in inside shell 1 and is caused wind loss；As d/d1 < 0.1, opening portion 13 Too big, air loss is larger, is unfavorable for scatter wet hair, reduction drying efficiency, d is too small, is easy to accumulate in air-flow inside shell 1 Cause wind loss；As d/d1 > 1, opening portion 13 is too small, and wind pressure reducing effect is unobvious, more in disorder after hair dryer, d It is too big, it is unfavorable for improving wind pressure, scatter wet hair.

The opening portion 13 is located at the side of non-closed slit centers line, and such situation illustrates non-closed gap around its center Line setting, the center in non-closed gap make the main air duct air-flow blown out from the first air outlet 5 and by this strand of air-flow band on the inside of it Air-flow at dynamic opening portion 13 forms whole circle, and the first air outlet 5 is at a distance from hair when sending out according to user's blow head, this two strands of gas Stream can converge into one before reaching hair, and hair effect is blown in raising.

The opening portion 13 is located at the top of 1 center line of shell.According to user, hand takes the habit of hair dryer during blowing hair Used, the region below 1 center line of shell is the part to play a major role always during entirely blowing hair, the gas at opening portion 13 Stream is mainly driven by the main air duct air-flow blown out from the first air outlet 5 and is generated, and air quantity and wind pressure are all relatively small, if user practises It is used to blow the first air outlet 5 of hair dryer close to hair, then two strands of air-flows just reach hair table before converging into one not yet Face, opening portion 13, which is located at, is conducive to that greater pressure, more air-flow is made to blow to hair above 1 center line of shell, reaches quick baking The purpose of dry hair.

The both ends of the opening portion 13 are located at the two sides of 2 center line of Handleset.It the both ends of opening portion 13 can be about hand It the two sides of 2 center line of handle component symmetrically can also be asymmetric.

As shown in figure 9, the non-closed projection is surrounded by multiple curves are end to end, i.e., non-closed gap is by multiple structures Part limits.Further, it is equipped with notch cylinder 7 in the shell 1, the axial section 6 is by the cylinder inside notch cylinder 7 and shell 1 Shape wall 8 limits, and the non-closed gap is limited by notch cylinder 7 and cylindrical wall 8.The notch 701 prolongs along the axis direction of shell 1 It stretches, notch 701 can also prolong from the upstream end of notch cylinder 7 to extending downstream from the downstream of notch cylinder 7 to its upstream It stretches.One of example in non-closed gap, the cylindrical wall 8 are equipped with the extension 14 extended downwardly, the extension 14 The partial gap between notch cylinder 7 and cylindrical wall 8 is closed to form the non-closed gap, a kind of situation, notch cylinder 7 and tubular Gap between wall 8 is annular, and a part that extension 14 closes the annular gap obtains the non-closed gap, extension 14 with The lateral wall of notch cylinder 7 leans, and opening portion 13 is shown extension 14.The non-closed gap is C-shaped, the similar shapes such as U-shaped； Another situation, as shown in Figure 10, the notch 701 are set to the front end of notch cylinder 7, and the extension 14 closes the notch 701 at least part, the non-closed gap is C-shaped, the similar shapes such as U-shaped.Further, the notch 701 of stating is from notch The front end of cylinder 7 extends back, and the length of the notch 701 and the length ratio of notch cylinder 7 are not less than 1/2.The extension 14 The notch 701 is closed, the shape before making the air-flow of axial section 6 reach the non-close gap is roughly the same with its, makes axis It is blown from the first air outlet 5 rapidly to the air-flow of section 6 along the restriction of the side wall of extension 14,7 side wall of notch cylinder and cylindrical wall 8 Out, air-flow is not accumulated in shell 1, reduces wind loss.

Another example, as shown in Figure 11,12, the front end of the notch cylinder 7 are equipped with and notch 701 spaced second Notch 15703701, the extension 14 close second notch 15703701 to form the non-closed gap.It is described non- Closing gap has opening portion 13, and with notch 701 towards same direction, opening portion 13 is the second notch for the opening portion 13 15703701, preferably, the same axis of opening portion 13 and notch 701, benefit are, reduce wind loss.

Another example, as shown in figure 13, the end of the shell 1 have opening 16, are equipped with outlet air in the opening 16 Component 17, the outlet air component 17 include positioned at the barriers 171 at middle part and positioned at external outer ring 172, outer ring 172 and barrier Part 171 is connected by rib 173, and the non-closed gap is limited by outer ring 172 and barriers 171.Alternatively, in shown shell 1 It is additionally provided with inner cylinder, the above-mentioned installation of outlet air component 17 is on the inner cylinder.

Another example, the cylindrical wall 8 is interior to be equipped with barriers 171, and the barriers 171 and cylindrical wall 8 pass through rib 173 connections, the non-closed gap is limited by cylindrical wall 8 and barriers 171.

It should be understood that the air-flow of the axial section 6 includes the air-flow before reaching non-closed gap in a ring, the ring Shape air-flow is blown out from non-closed gap；In that case, be equipped with inner cylinder in shell 1, the annular flow by inner cylinder lateral wall It is limited with the cylindrical wall 8 inside shell 1.

As shown in figure 14, the projection in the non-closed gap is surrounded by single closed curve, that is, non-closed gap is by one Component limits.More specifically, non-close pipeline 18, the gas identical with non-closed seam shape are equipped in the shell 1 Stream is limited by non-close pipeline 18, and the non-closed gap is located at the end of the non-close pipeline 18, the axial section 6 Air-flow is included in non-closed gap and reaches preceding air-flow identical with its shape, which blows out from non-closed gap.

As shown in Fig. 1 to 15, heating unit 3 is arranged in axial section 6, and the heating unit 3 includes notch cylinder 7, institute Stating notch cylinder 7 has the notch 701 extended along its axis direction, and the notch cylinder 7 limits institute with the cylindrical wall 8 inside shell 1 State axial section 6.It is the inside that air-flow can temporarily collect in shell 1 by the setting of notch cylinder 7, keeps air-flow and heating single Member 3 has time enough to carry out heat transmission, then blows out under the drive of other air-flows from the first air outlet 5 again, avoids generating heat Silk 302 is rubescent, and use is safer.

The length ratio of a kind of example, the length of the notch 701 and notch cylinder 7 is not less than 1/2, formed outlet air region with Heating unit 3 carries out heat exchange, prevents heating wire 302 rubescent.Further, the length of notch 701 is not less than 7 length of notch cylinder 2/3.The heating unit 3 further includes the multiple mica sheets 301 being mounted on notch cylinder 7, is wound on multiple mica sheets 301 Heating wire 302, the multiple mica sheet 301 at least be set to notch 701 two sides；Further, the multiple mica sheet 301 Axial uniform intervals along notch cylinder 7 are arranged.The heating wire 302 is around whole circle；Or the heating wire 302 is only wound on peace The top of bracket is filled, the notch 701 opens wide.

Another example, the corresponding notch 701 of at least one of the multiple mica sheet 301 is arranged, and the mica Piece 301 has free end 3011 towards notch 701 and axially extending along mounting bracket.In such cases, notch cylinder 7 is corresponding lacks It is equipped with the structure for fixing the mica sheet 301 at 701 settings of mouth, especially when 701 length of notch is longer, the two of notch cylinder 7 End is equipped with the card slot of fixed mica sheet 301；Mica sheet 301 is identical as the extending direction of notch 701, and the setting of mica sheet 301 exists The surface of notch 701.

Another example, the notch cylinder 7 are ceramic heat device.

Further, the fan unit is set in Handleset 2, and the cylindrical wall 8 is equipped with air flow inlet 10, described Air-flow in Handleset 2 enters in shell 1 from air flow inlet 10, and the notch 701 is arranged in a staggered manner with air flow inlet 10.

Further, the notch cylinder 7 is equipped with the perforation 702 being oppositely arranged with air flow inlet 10, and the air-flow passes through The perforation 702 enters the inside of notch cylinder 7, which can promote the air-flow at notch 701 to flow, collect at notch 701 Air-flow blown out from the first air outlet 5, take away heat.

The utility model further relates to a kind of heating unit 3 of hair dryer, including multiple mica sheets 301 and is wound on mica sheet Heating wire 302 on 301, wherein the heating unit 3 further includes the mounting bracket with hollow channel, the multiple mica Piece 301 is mounted in the mounting bracket, and the mounting bracket has along its axially extending notch 701, the multiple mica Piece 301 is at least set to the two sides of notch 701.One of example, hollow mounting bracket are above-mentioned notch cylinder 7.

The mounting bracket further includes second peripherally and outwardly extended in 19 rear end of first part along first part 19 Divide 20, the rear end of the mica sheet 301 and the medial surface of second part 20 lean.Benefit is to improve the fixation of mica sheet 301 Reliability.First part 19 is notch cylinder 7, and second part 20 is in a ring or round or U-shaped or C-shaped.

The rear end of the mica sheet 301 has card slot, and the periphery of the card slot and second part 20 leans.

Barrier flaps 21 are equipped in the hollow channel, the barrier flaps 21 are arranged close to the front end of hollow channel, and benefit is When 701 length of notch is longer, the intensity of hollow mounting bracket is improved by barrier flaps 21, prevents mounting bracket from deforming, is caused Biggish windage is generated to the air-flow of axial section 6, causes wind loss.

As shown in Fig. 1 to 18, a kind of hair dryer including shell 1, the Handleset connecting with shell 12, fan unit, adds Hot cell 3, the first air inlet 4 and the first air outlet 5；

The fan unit enters hair dryer from the first air inlet 4 for suction airstream and blows out shape from the first air outlet 5 At main air duct, the heating unit 3 is for heating the air-flow；

The fan unit includes flabellum and the motor for driving the flabellum to rotate；

The hair dryer further includes around the auxiliary air duct 22 that the axial section 6 extends, and the auxiliary air duct 22 is at least partly Air-flow is blown out after mixing in shell 1 at least partly air-flow of axial section 6.If two strands of air-flows are first independent blowouts, 1 external mix of shell, if that two strands of air-flows are not mixed and arrived when the first air outlet 5 is not remote enough apart from hair surface Hair is reached, the dynamics that the same area is experienced can be variant, due to the difference of two strands of air current flows and wind-force, so that same area The hair that domain has is done, and some hairs are not dry；The air-flow in auxiliary air duct 22 be cold airflow, axial section 6 air-flow be thermal current, two It is blown out after person's mixing, prevents the generation of hot spot, when so that the same area of long period against scalp being blown, will not feel boiling hot.When When the air-flow in auxiliary air duct 22 is the air-flow of same nature, mixing is carried out in shell 1 by two strands of air-flows makes air-flow reach hair Though when 5 distance of the first air outlet distance, the dynamics experienced of the same area is not much different, and the hair of the same area can be same When be dried, mobile hair dryer blows the hair in other regions, or is not dried up first according to personal habits, and carrying out blowback can also With the hair of, whole region close to being dried simultaneously, the hair being dried will not be by blowing repeatedly, and wet hair accounting will not be very It is more, reduce the probability that hair causes damage.

As shown in Figure 16,17, the auxiliary air duct 22 includes entrance 2201 and outlet section 2202, in 2201 place of entrance The air-flow of the air-flow and entrance 2201 of stating axial section 6 is mutually indepedent.In a kind of example, the first air inlet 4 is set to shell 1 Rear end, is equipped with inner cylinder in shell 1, inner cylinder by fan unit be drawn into air-flow shell 1 inside separate supplemented by air duct 22 and lead Air duct (being the axial section 6 of main air duct in this), entrance 2201 is limited by the lateral wall of inner cylinder and the inner sidewall of shell 1, Axial section 6 includes being limited by the inner sidewall of inner cylinder, and the air-flow in two air ducts is first mutually indepedent, at the first air outlet 5 In 1 internal mix of shell, then blown out from same outlet.Same export can be the first air outlet 5 of main air duct, can also be with It is other outlets set in addition.

Further, the fan unit is set in Handleset 2, and first air inlet 4 is located on Handleset 2, The back-end sealing of the axial section 6 is arranged, and benefit is the air loss for reducing main air duct.Further, after the shell 1 End is equipped with the second air inlet (not shown) in auxiliary air duct 22, and first air inlet 4 is located at the downstream of the second air inlet.

Another example, 1 front end of shell include mixed airflow outlet 24, the fraction of the axial section 6 and auxiliary From 24 blowout of mixed airflow outlet after at least partly air-flow mixing in air duct 22, the fraction of the axial section 6 is from the The blowout of one air outlet 5.First air outlet 5 is located at the outside of mixed airflow outlet 24, and the first air outlet 5 is around the mixing Air stream outlet 24 is arranged, and benefit is that the air-flow that blows out in such cases from the first air outlet 5 is annular in shape or sub-circular, ring Shape air ring can promote the air-flow blown out from the first air outlet 5 to flow forward along the axis of shell 1 around the air-flow to move along a straight line It is dynamic to reach hair surface." sub-circular " includes that the small outlet at multiple intervals is integrally formed rings cyclic annular or with jagged 701 (such as U-shaped, c-type) and other approximate shapes.Further, the front end of the shell 1 is additionally provided with the second air outlet 23, described auxiliary The fraction in air duct 22 is individually blown out from the second air outlet 23.Second air outlet 23 is located at the outside of the first air outlet 5, And second air outlet 23 be arranged around the first air outlet 5.It in the example, including is three air stream outlets, the air-flow of axial section 6 and auxiliary The air-flow in air duct 22 is respectively divided into two strands, after the fraction of axial section 6 is mixed with the fraction in auxiliary air duct 22 in shell 1 From 24 blowout of mixed airflow outlet, other air-flows of axial section 6 are blown out from the first air outlet 5, other air-flows in auxiliary air duct 22 It is blown out from the second air outlet 23.

Another example, the air-flow in the auxiliary air duct 22 import axial section 6 and blow out from the first air outlet 5, this kind of feelings Under condition, air stream outlet only has the first air outlet 5, and whole air-flows in auxiliary air duct 22 import axial section 6；Or the shell 1 Front end be additionally provided with the second air outlet 23, the fraction in the auxiliary air duct 22 imports main air duct and simultaneously blows from the first air stream outlet Out, remainder air-flow is blown out from the second air outlet 23.

Further, it is equipped with the inner cylinder for separating axial section 6 and auxiliary air duct 22 in the shell 1, the inner cylinder is equipped with Air-flow for auxiliary air duct 22 enters the channel of axial section 6.When heating unit 3 be arranged in axial section 6 when, inner cylinder play every Heat effect, prevent blow for a long time hair rear casing 1 overheat it is hot.

The main air duct includes the axial section 6 extended along the axis direction of shell 1, is equipped with inner cylinder, institute in the shell 1 Axial section 6 is stated at least to be limited by inner cylinder, the hair dryer further include around the axial section 6 extend auxiliary air duct 22, it is described Auxiliary air duct 22 is limited by inner cylinder and shell 1, and the inner cylinder is equipped with commutation access 25, and the air-flow in the auxiliary air duct 22 passes through commutation Access 25, which changes after wind direction is mixed with the air-flow of axial section 6, to be blown out.Commutation access 25 is the channel of setting on the inner cylinder.

The inner cylinder is equipped with the wind-guiding inclined-plane 26 for making the air-flow in auxiliary air duct 22 enter commutation access 25.Pass through wind-guiding inclined-plane 26 setting reduces air-flow because entering the 25 bring wind loss of access that commutates.Wind-guiding inclined-plane 26 along shell 1 axis direction from The upstream of shell 1 to downstream extends.The center line of the commutation access 25 and the center line of the axial section 6 are angled, and The angle is not more than 90 °.Benefit is to cause air flow through after commutation access 25 changes direction, is reduced in axial direction blowing out The active force of air-flow reduces wind loss；When angle be greater than 90 ° when, by commutate access 25 air-flow generate with axially forward Air flow opposite effect power reduces the wind-force for reaching hair surface, is unfavorable for dispelling wet hair, reduces drying efficiency.Into The angle of one step is not less than 10 °, and air-flow is made to realize mixing by shorter path, reduces wind loss, when the angle is less than At 10 °, in order to realize that mixed airflow needs to will cause wind loss by longer path, and mixing efficiency and wind are reduced Speed.The center line of this example commutation access 25 and the center line of the axial section 6 are angled 90 °；Further, wind-guiding inclined-plane 26 with commutation access 25 center line angulation be γ, 10 °≤γ≤60 °, benefit be by air-flow import commutation access 25 In, reduce air-flow because entering the 25 bring wind loss of access that commutates；When 60 ° of γ >, air-flow will cause in wind-guiding inclined-plane 26 Wind loss is caused with the corner of commutation access 25；When 10 ° of γ <, air-flow enters commutation access 25 by wind-guiding inclined-plane 26 When be easy to cause wind loss；Preferred γ=30 ° of air guiding tunnel gas flow.

The air-flow in the auxiliary air duct 22 changes airflow direction, and the air-flow with axial section 6 by the commutation access 25 Generate intersection spatially.In this embodiment, commutation access 25 has certain length and width, the air-flow in commutation access 25 It is independent from each other, more specifically, the air-flow in commutation access 25 and edge in axial section 6 with the air-flow of axial section 6 The air-flow that its center line extends is mutually indepedent.

The commutation access 25 to the extension 14 that 1 axial direction of shell extends from limiting on inner cylinder, the extension 14 Across the first air outlet 5.In this embodiment, at least partly air-flow in auxiliary air duct 22 realizes the gas with main air duct by commutation access 25 Stream mixing, the air-flow of axial section 6 is divided into two strands inside shell 1, and wherein one blows out from the first air outlet 5, in addition one From 24 blowout of mixed airflow outlet for being located at 5 inside of the first air outlet after being mixed with the air-flow in auxiliary air duct 22.Further, described Heating unit 3 is arranged in inner cylinder, and the heating unit 3 includes the mounting bracket with hollow channel, the mounting bracket End limits mixed airflow outlet 24, the fraction in auxiliary air duct 22 mixed with the air-flow of axial section 6 after from the mixed airflow 24 blowout of outlet, first air inlet 4 are limited by inner cylinder and mounting bracket.Further, the mounting bracket, which is equipped with, lacks Mouth 701, the extension 14 blocks the notch 701.

The second air outlet 23 is additionally provided on the inner cylinder, the fraction in the auxiliary air duct 22 is blown from the second air outlet 23 Out.First air outlet 5 is located between the second air outlet 23 and mixed airflow outlet 24.The outside of inner cylinder is equipped with annular ring, The lateral wall of annular ring and inner cylinder is connected by dowel, and the second air outlet 23 is annular；Second air outlet can also be by inner cylinder Interlayer between shell limits.

In the present invention, the center line of shell, the axis of shell, the center line of inner cylinder, the axis of inner cylinder, notch cylinder Center line, the axis of notch cylinder it is identical.

Above embodiment is only the optimal enforcement mode of the utility model, is not the whole embodiments of the utility model, Principle according to the present utility model, those skilled in the art can make various modifications, without departing from the essence of the utility model Mind should belong to range defined in claim described in the utility model.

Claims (10)

1. a kind of hair dryer, Handleset, fan unit, heating unit, air inlet and outlet air including shell and cage connection Mouthful；

The fan unit enters hair dryer from air inlet and blows out to form main air duct from air outlet for suction airstream, described to add Hot cell is for heating the air-flow；

The fan unit includes flabellum and the motor for driving the flabellum to rotate；

It is characterized in that, the main air duct includes the axial section extended along the axis direction of shell, tool is equipped in the shell The cylindrical wall of notch cylinder jaggy, the notch cylinder and interior of shell limits the axial section, the notch along perpendicular to The projection of notch cylinder axis has the maximum width A perpendicular to notch cylinder axial direction, and the notch cylinder is along perpendicular to notch cylinder axis Projection have perpendicular to notch cylinder axial direction maximum width D, 0.1≤A/D≤1.

2. hair dryer according to claim 1, which is characterized in that the notch extends along the axis direction of notch cylinder, institute Stating notch also has maximum length B, the A < B for being parallel to notch cylinder axial direction along the projection perpendicular to notch cylinder axis.

3. hair dryer according to claim 2, which is characterized in that 0.1≤A/D≤1/2.

4. according to claim 1 to hair dryer described in 3 any one, which is characterized in that the cylindrical wall is the inside of shell Wall, the axial section are limited by the inner sidewall of shell and the lateral wall of notch cylinder；Alternatively, the cylindrical wall is an independent structure Part, institute's axial section are limited by the inner sidewall of cylindrical wall and the lateral wall of notch cylinder.

5. according to claim 1 to hair dryer described in 3 any one, which is characterized in that the fan unit is set to handle group In part, the air inlet is set on Handleset, and the cylindrical wall is equipped with air flow inlet, is drawn into handle by fan unit The air-flow of component enters interior of shell from the air flow inlet, and the notch extends at air flow inlet, and notch and gas flow into Mouth is arranged in a staggered manner.

6. hair dryer according to claim 5, which is characterized in that the notch is located at the top of cylindrical wall axis.

7. hair dryer according to claim 6, which is characterized in that the notch is oppositely arranged with air flow inlet.

8. hair dryer according to claim 5, which is characterized in that be additionally provided on the notch cylinder make the air-flow of main air duct into Enter the perforation in notch cylinder, the perforation is located at the lower section of cylindrical wall axis and is oppositely arranged with air flow inlet.

9. hair dryer according to claim 8, which is characterized in that the notch cylinder is equipped with air-flow guide part, the gas Stream guide part extends the air-flow entered in notch cylinder along the axis direction of shell.

10. hair dryer according to claim 8, which is characterized in that the front end of the notch cylinder is equipped with an auxiliary air-outlet, Air-flow in the notch cylinder is blown out from the auxiliary air-outlet.