CN200970789Y

CN200970789Y - Hair clippers

Info

Publication number: CN200970789Y
Application number: CNU2006201369442U
Authority: CN
Inventors: 益子佳典; 小川仁志; 侧垣智
Original assignee: Matsushita Electric Works Ltd
Current assignee: Panasonic Electric Works Co Ltd
Priority date: 2005-10-11
Filing date: 2006-10-10
Publication date: 2007-11-07
Anticipated expiration: 2016-10-10
Also published as: DE602006011550D1; JP4349353B2; CN1947964A; EP1775080B1; EP1775080A1; JP2007105119A; ATE454250T1

Abstract

A hair clipper includes a hair clipper main body having a cutter unit for cutting hair at a leading end thereof; a hair suctioning section for suctioning the hair cut by the cutter unit therethrough; a fan unit incorporating a centrifugal fan for generating a suction force in the hair suctioning section; and a diffuser unit installed at downstream of the fan unit. A cross section of an air flow path of the diffuser unit gradually expands in a downstream direction.

Description

Clippers

Technical field

The utility model relates to clippers, has the function of the hair that suction cut.

Background technology

Usually, known clippers have the hair suction part (for example, seeing that application number is the Japanese patent application of No.2002-253878) that is used to suck the hair of having cut.Hair sucks part by utilizing and is included in the motor rotary fan in the main body of clippers and generates the suction that is used to suck dod.Yet,, just need more powerful suction in order to suck the hair of pruning continuously on one's own initiative.In order to satisfy this requirement, motor preferably has high output and big size.Yet, under this this situation, will increase the size and the weight of whole clippers, this can cause the problem of user's inconvenience and power consumption increase and so on.

The utility model content

Therefore, a purpose of the present utility model provides a kind of small-sized clippers, and it can suck the hair of pruning and can not increase the size of the motor that is used for rotary fan and the hair that sucks pruning with the power consumption that reduces forcefully by generating bigger suction.

According to the utility model, a kind of clippers are provided, comprising: the clippers main body, have the cut cells that is used to have hair cut, cut cells is installed in the front end of clippers main body; Hair sucks part, is used to suck be sheared the hair that the unit is cut, and fan unit comprises the centrifugal fan that is used for generating in hair suction part suction; With the diffuser unit that is installed in the fan unit downstream, wherein, the cross section of the air flow path of diffuser unit enlarges along downstream direction.

In having the clippers of above-mentioned configuration, can generate powerful suction by small-sized centrifugal fan.In addition, recover because send to the static pressure that the air in centrifugal fan downstream experiences gradually when passing the diffuser unit, air just can efficiently be exported and not lose like this.Therefore, can generate powerful suction and needn't increase the size of the motor that is used for the rotary and centrifugal type fan, this just can obtain a kind ofly not increase its size and suck the clippers of the hair of pruning with low power consumption strong.

The utility model can provide a kind of small-sized clippers, and it can generate powerful suction and can not improve the size of the motor that is used for rotary fan, therefore can suck the hair of pruning with the power consumption that reduces strong.

Description of drawings

From the subsequent descriptions of the preferred embodiment that provides in conjunction with the accompanying drawings, above-mentioned and other purpose of the present utility model and characteristics will become obviously, wherein:

Figure 1A and 1B represent the overall structure according to the clippers of preferred embodiment of the present utility model, and wherein Figure 1A is the rearview of these clippers, and Figure 1B is the cross sectional view along the X-X line of Figure 1A;

Fig. 2 provides the perspective view of clippers;

Fig. 3 shows that the suction inlet of clippers return the perspective view of clippers under the state;

Fig. 4 has described to suck the perspective view of the clippers that vessel shell takes off from it;

Fig. 5 A and 5B show the suction vessel shell of clippers, and wherein Fig. 5 A is the rearview that sucks vessel shell, and Fig. 5 B is the cross sectional view of coupling part;

Fig. 6 A and 6B represent to suck the parts of vessel shell, and wherein Fig. 6 A is the rearview of downstream module, and Fig. 6 B is the front view of up-stream module;

Fig. 7 presents the perspective view that is contained in the blower module on the clippers;

Fig. 8 A and 8B represent the parts of blower module, Fig. 8 A perspective view that is fan cover when blower module takes off state wherein, and Fig. 8 B is the perspective view of diffuser unit;

Fig. 9 A represents to be equipped with the clippers of associate member to 9C, and wherein Fig. 9 A and 9B are respectively the rearview and the side views of clippers, and Fig. 9 C is the side view under the pruning length change state of clippers;

Figure 10 provides the perspective view of the clippers with assembling associate member thereon;

Figure 11 illustrates the perspective view of the clippers under the pruning length change state of clippers;

Figure 12 shows the perspective view of the clippers that another kind of associate member has been installed.

The specific embodiment

Hereinafter, preferred embodiment of the present utility model will be described with reference to the drawings.With reference to the overall structure of Figure 1A to clippers according to the utility model preferred embodiment shown in Figure 3, these clippers comprise: have from the hair-cutting part A of the outstanding cut cells 2 of its front end; With the suction force generation portion C that has as the centrifugal fan 3 of exhauster(-tor.The hair-cutting part A is arranged in the two opposite vertically upsides at Figure 1A (being called " front " hereinafter) of end of housing 1, housing 1 forms the container of elongated clippers main body, the clippers body design is to hold with one, and suction force generation portion C is arranged in the downside (hereinafter be called " bottom end side ") of housing 1 at Figure 1A.Hair-cutting part A and suction force produce portion C and are provided with

motor

4 and 5 therein respectively as they drive sources separately.These two parts A and C are formed in the housing 1 with predetermined interval (it is set to approximately and the equal in length of each part A or C) therebetween at longitudinally.In addition, hair sucks the inner space that part B is positioned at housing 1, and housing 1 comprises the rear portion of the part A of having hair cut and the interval between two parts A and the C.Extraneous air around cut cells 2 front ends of hair-cutting part A sucks part B by hair and sucks suction force generation portion C.

Here, because longitudinally is identical with the suction direction that hair sucks in part B and the suction force generation portion C, above-mentioned " front " can be defined as upstream side, and " bottom end side " can be defined as the downstream simultaneously.Term " rear portion " also defines with respect to the people who is getting a haircut.

Below, will at length introduce the structure of A to each part of C.At first, the hair-cutting part A has shear module 9 at its front end, and shear module 9 has cut cells 2.In addition, the hair-cutting part A is provided with motor 4 as power source therein, the driving cam 7 on the fastening output shaft 4a that is installed in motor 4 and be installed in the locational driving shaft 8 of the central axis that departs from driving cam 7.Driving shaft 8 is connected with the boot disk 10 that is arranged on shear module 9 places, so that rotatablely moving, the off-centre of driving shaft 8 passes to cut cells 2 by changing into by boot disk 10 to move back and forth, therefore with respect to the fixed blade 11 of cut cells 2, allow the removable blade 12 of cut cells 2 on the width of clippers main body, to move back and forth.Action button 30 (seeing Fig. 2 or 3) be exposed to housing 1 side surface so that it can on the longitudinally of clippers main body, slide.By control operation button 30, control offers the power of motor 4.

Next will introduce hair and suck part B.It is the approximate circle cylinder that hair sucks part B, has out near the suction inlet 13 the rear portion of the cut cells 2 of hair-cutting part A.The bottom end side that is formed on the hair suction passage 6 of cylinder inside produces portion C with suction force and links to each other.

Suck part B about tubular hair, hair suction passage 6 is formed by the inner surface 14a of the half round post suction vessel shell 14 of part of the bent back on the outer surface one side 1a of housing 1 and the outer surface that is connected housing 1 separably.In addition, be formed with a pair of hook-type fastener 15 in the two side ends of the back portion of housing 1, they stretch to the rear portion (see figure 4) of hairclipper main body.In addition, form hook-type fastener 16 at the bottom end side that sucks vessel shell 14, it stretches to the bottom end side (seeing Fig. 5 and 6A) of housing 1.Be hooked in the both side ends that sucks vessel shell 14 by fastener 15, suck that vessel shell 14 can be connected on the housing 1 so that it can slide on longitudinally housing 1.In addition, contact with the end difference 17 that is formed on downstream module 20 front ends by the bottom that makes the up-stream module 19 that sucks vessel shell 14 is peripheral, and make the fastener 16 that sucks vessel shell 14 be hooked in (see figure 1) on the engaging groove 18 that is arranged at housing 1 back portion thereafter, suction vessel shell 14 is prevented from respect to the slip of housing 1, and suck the outer surface that vessel shell 14 is fixed on housing 1, therefore form hair and suck part B.

By being connected to form half-cylindrical up-stream module 19 that sucks vessel shell 14 upstream portion and the half-cylindrical downstream module that is positioned at up-stream module 19 downstreams 20 formation suction vessel shells 14, so that up-stream module 19 overlaps on the downstream module 20, wherein up-stream module 19 is provided with suction inlet 13 at its front end.Downstream module 20 is the parts that are fixed on the housing 1, and up-stream module 19 is the parts that are connected on the downstream module 20, so that can slide on longitudinally when it overlaps on the downstream module 20.By the slippage of control up-stream module 19, the degree that whole suction vessel shell 14 forward end are outstanding can be changed.

Fig. 5 B and Fig. 6 A and 6B represent the joint between up-stream module 19 and the downstream module 20.Downstream module 20 is provided with slidingsurface 21 in its front.Slidingsurface 21 is connected on the downstream module 20 by end difference 17, so that it is lower than downstream module 20.In addition, up-stream module 19 so disposes with downstream module 20: when covering on the slidingsurface 21 when up-stream module 19 contacts with end difference 17, the outer surface of up-stream module 19 and downstream module 20 is connected together each other becomes continuous surface.In addition, the a pair of part 22 that is slidably engaged is given prominence to inner surface in up-stream module 19 in parallel to each other, its each have hook shaped cross section and extend at longitudinally, and two pairs are slidably engaged part 23 and are formed on the slidingsurface 21 in a parallel manner highlightedly, its each have hook shaped cross section, be used on longitudinally slidably and be slidably engaged part 22 and engage.

In addition, by being slidably engaged part 22 and being slidably engaged slidably engaging of part 23, up-stream module 19 can be moved between as shown in Figure 2 extrusion position and retracted position as shown in Figure 3, at the extrusion position place, the suction inlet 13 that is arranged on up-stream module 19 front ends fully stretches to the front end of hairclipper main body, reach the degree identical with the front end of cut cells 2, at the retracted position place, the suction of up-stream module 19 inlet 13 fully moves back bottom end side to the hairclipper main body from the front end of cut cells 2.In addition, the Reference numeral 24 shown in Fig. 6 A is represented claw component, its easy strain and being fixed on the slidingsurface 21 of downstream module 20.Reference numeral 25 shown in Fig. 6 B is a pair of from the outstanding pawl copulational protuberance 25 of the inner surface of up-stream module 19, and pawl copulational protuberance 25 is kept an interval of being scheduled to away from each other between it on longitudinally.When claw component 24 moves past pawl copulational protuberance 25 in strain the time, the user will feel clatter, and when claw component 24 moved past on pawl copulational protuberance 25, up-stream module 19 was maintained at giving prominence to or retracted position of it by the load that applies thereon.

Now with reference to Figure 1A, 1B, 7 and 8 describe suction force produces portion C.Suction force produces portion C and comprises the blower module 29 that is fixed on housing 1 inner surface.Blower module 29 has: fan unit 27 comprises centrifugal fan 3 in fan cover 27; Be formed with the diffuser unit 28 of gas channel, wherein, the cross section of gas channel is expanded gradually at downstream direction, so that for the static pressure of air recovers, the air velocity of being introduced by fan unit 27 is reduced; With the motor 5 of the centrifugal fan 3 that is used for 27 inside, drive fan unit, wherein fan unit 27, diffuser unit 28 and motor 5 are installed on downstream direction in this order, are connected in one continuously each other simultaneously.In addition, the hair that filter 40 is installed in housing 1 suck among the part B hair suction passage 6 with its in be provided with on the space 50 contacted parts of blower module 29, and steam vent 31 is arranged on the bottom of housing 1 so that communicate with space 50.Be incorporated into hair from the outside of housing 1 front by air intake 13 and suck air in the part B flows through 50 inside, space via filter 40 fan unit 27 and diffuser unit 28, after the clearance space between the inner surface that passes motor 5 and housing 1, finally be discharged to the outside of housing 1 bottom end side from steam vent 31.

By the periphery 32a of the cylinder 32 of the shell of formation diffuser unit 28 being installed in the groove of being located on housing 1 inner surface, blower module 29 is supported in housing 1 volume inside 50.In addition, blower module 29 so arranges so that its maximum gauge part is pushed by housing 1, thereby prevents the vibration that blower module 29 produces owing to the rotation of centrifugal fan 3.In addition, in order to prevent generation of vibration more reliably, more preferably be that the peripheral surface in diffuser unit 28 adheres to the padded coaming (not shown), so that padded coaming is between the periphery 32a and the groove on housing 1 inner surface of diffuser unit 28.

Fan cover 26 forms the shell of fan units 27, and it is to hold up the member that sidewall 26b forms by the periphery from bottom 26a with centre bore.By at the edge of the cylinder 32 fixed sidewall 26b of the place front ends of diffuser unit 28, between fan cover 26 and diffuser unit 28, form the space that holds centrifugal fan 3.A plurality of blades 34 on hub 33 form centrifugal fan 3 by hub 33 and radial arrangement.

Shown in Fig. 8 B, diffuser unit 28 is blade-carrying diffusers.Especially, diffuser unit 28 has the blade 36 of a plurality of radial arrangement, is used for the periphery of cylinder 32 is divided into some gas channels 37.In addition, the core at cylinder 32 forms the output shaft 5a that through hole 38 is used to admit motor 5.Each gas channel 37 is formed with the area of section of expanding gradually along the axial direction of cylinder 32.Motor 5 is fixed on the diffuser unit 28 when its output shaft 5a inserts in the through hole 38 of diffuser unit 28.Output shaft 5a by making motor 5 is connected with the centrifugal fan 3 in the fan unit 27, and the revolving force of motor 5 can pass to centrifugal fan 3.

About said fans module 29, the quantity n of the quantity m of the blade 36 of diffuser unit 28 and the blade 34 of centrifugal fan 3 is different natural numbers, and two number m and n preferably are arranged to prime number each other.In a preferred embodiment, m and n are made as 9 and 7 respectively.Suppose when the blade 34 of centrifugal fan 3 near adjacent structures (promptly, the blade 36 of diffuser unit 28) time, the pneumatic noise of centrifugal fan 3 increases, by as the example here is provided with m and n can prevent each blade 34 produced simultaneously pneumatic noise, therefore reduce the noise of whole blower module 29.

In addition, by the blower module 29 with said structure is installed in the space in housing 1 50, form air discharging channel, be used for to enter the air importing bottom end side that hair sucks part B by the rotation of centrifugal fan 3, finally this air discharged by steam vent 31 by the blower module 29 in space 50.Air discharging channel 39 forms after the fan cover 26 that makes in the air contact fan unit 27, the air that to be sent into along centrifugal direction by centrifugal fan 3 allows air in axial direction to flow to bottom end side by each gas channel 37 in diffuser unit 28 along the axial direction bottom end side that leads then.In addition, air discharging channel 39 forms the air that is sent to bottom end side by this passage is contacted with the outer surface of motor 5, and cooling motor 5 thus.Also can so form air discharging channel 39; The steam vent 31 of air along the direction relative with cut cells 2 from housing 1 bottom end side discharged, prevent that like this air row to the user, making the user uncomfortable.

Shown in Fig. 9 A to 11, the clippers with said structure comprise also and are used to adjust the associate member 41 that hair is pruned length that wherein associate member 41 is fixed on the clippers separably.Associate member 41 has: semicolumn base portion 42, and it is on the outer surface of the housing 1 that is slidably mounted in the hairclipper main body on the longitudinally; Be arranged on the base portion 42 from the outstanding comb teeth shape part 43 of base portion 42.Base portion 42 is installed on the outer surface 1b (front) opposite with surperficial 1a (back side) of housing 1, sucks vessel shell 14 and is installed in surperficial 1a place.Therefore, can independently finish the installation that sucks vessel shell 14/take off and suck vessel shell 14 in the adjustment of an outer surface 1a upper process degree and the installation of associate member 41/take off and the control of slip associate member 41 on another outer surface 1b, and can not hinder each other.

Be installed in a pair of groove 44 (seeing Fig. 2 and 3) by dual-side semicolumn base portion 42, associate member 41 is slidably mounted on the outer surface of housing 1, a pair of groove is respectively formed at the outer surface 1a of housing 1 and the dual-side place between the 1b, along the longitudinally extension of housing 1.In addition, engage on the part that is covered by associate member 41 of an outer surface 1b that button 45 (see figure 1)s are arranged on housing, it is freely outstanding or recessed wherein to engage button 45, and is being kept pressurized by the wind spring (not shown) on housing 1 rear side on the projected direction.Engage button 45 and insert in one of them engaging groove (not shown) by making, the slippage of associate member 41 is maintained certain degree by a setting in a plurality of steps, the engaging groove of keeping a predetermined space between it is positioned on the inner surface of associate member 41.

In addition, no matter how many slippages of associate member 41 is, the two side ends of the comb teeth shape part 43 of associate member 41 covers the two side ends of cut cells 2 on reciprocating direction.Here it is, and when seeing from the side, the two side ends of comb teeth shape part 43 extends to the degree that cut cells 2 is hidden by them.Therefore, by covering the two side ends of cut cells 2, the wall that the two side ends of comb teeth shape part 43 is disperseed as the hair that prevents to cut.

In order to get a haircut with the clippers with associate member 41, when action button 30 was closed, associate member 41 suitably slided on clippers, and associate member 41 is fastened on the housing 1 at desirable sliding position.Then,, the plug of AC adapter is located in the jack 47 of housing 1 bottom by being inserted, and while opening operation button 30, power supply is supplied with the motor 4 of hair-cutting part A and the motor 5 that suction force produces portion C.Therefore, in the hair-cutting part A, removable blade 12 moves back and forth with respect to fixed blade 1, and produce in the portion C in suction force, centrifugal fan 3 is rotated, therefore produce suction force, be used for that the air that hair sucks part B is drawn into suction force and produce portion C, this air is discharged from steam vent 31 the most at last.

When comb teeth shape part 43 maintenances of associate member 41 contact with the people's that got a haircut head, if the clippers main body is moved, people's hair is sheared unit 2 and cuts continuously, and the hair of cutting is inhaled into hair by near the inlet of the suction cut cells 2 13 and sucks in the hair suction passage 6 of part B together with extraneous air.The extraneous air that sucks is inhaled into suction force by filter 40 and produces in the portion C, and the hair of cutting that sucks is stacked in the hair suction passage 6.Be imported into suction force and produce air in the portion C after through fan unit 27 and diffuser unit 28, by the clearance space between motor 5 and the housing 1, finally the steam vent 31 by housing 1 bottom is discharged from.

Here, suck the suction force generation device that part B sucks the hair of cutting because centrifugal fan 3 is installed in the suction force generation portion C as a kind of hair that passes, it is small-sized that let it be to the greatest extent, but can obtain very strong suction force.In addition,, be sent to the static pressure that the air in centrifugal fan 3 downstreams experience gradually and recover when passing the diffuser unit by diffuser unit 28 is installed, thus efficient lossless to spread out of air be possible with consuming.Therefore, under the situation that does not increase motor 5 sizes wherein, can produce very strong suction force according to clippers of the present utility model.Like this, clippers can keep the undersized while to suck the hair of cutting powerfully.

When needs change pruning length, can only realize by slip associate member 41 on the longitudinally of housing 1.In addition, the adjustment of suction inlet 13 projecting degrees can only realize by the upper module 19 that sucks vessel shell 14 that slides on longitudinally.In addition, because associate member 41 and suck vessel shell 14 and be installed in independently on two the

opposed surface

1a and 1b of front that housing 1 is provided with the hair-cutting part A, two

parts

41 and 14 installation/take off and the control of sliding can be carried out under the mode that does not hinder mutually each other independently.

Here, another kind of associate member 41 ' can be used to replace associate member 41, one of them represents that in Figure 12 associate member 41 ' has the comb teeth shape part 43 ' of differing heights, and in them one front end that is connected housing 1 in a kind of mode that does not allow to slide.By suitably changing the associate member 41 ' of comb teeth shape part 43 ', can change pruning length with differing heights.

Resonable distribute after, shutoff operation button 30 stops the reciprocating motion of cut cells 2 and the rotation of centrifugal fan 3.Then, take off suction vessel shell 14, suck part B from hair and remove the hair of cutting from housing 1.Here,, suck vessel shell 14, open whole hair near suction inlet 13 (just in time filter 40 the place ahead) centrifugal fan 3 and suck part B by taking off according to preferred embodiment.Therefore, the hair of cutting that is deposited in the hair suction passage 6 can be removed fully, efficiently.

In addition, for example, although do not use associate member 41 when shearing by the hair around haircut people's the ear, the peripheral part that sucks the suction inlet 13 of vessel shell 14 contacts with people's head, hinders the haircut action.For this reason, up-stream module 19 is return when the hair cut around the ear.Similarly, control the overhang of aspirating inlet 13, can improve user convenience according to the zone of the hair of cutting.

The utility model show with relevant preferred embodiment is described in, do not break away from as the defined the utility model scope of follow-up claim, those skilled in the art should be understood that and can make various changes and modification.

Claims

1, a kind of clippers, it comprises the clippers main body, and described clippers main body has the cut cells that is used to have hair cut, and cut cells is installed in the front end of clippers main body; It is characterized in that described clippers also comprise:

Hair sucks part, is used to suck be sheared the hair that the unit is cut,

Fan unit comprises the centrifugal fan that is used for generating in hair suction part suction; With

Be installed in the diffuser unit in fan unit downstream,

Wherein, the cross section of the air flow path of diffuser unit enlarges along downstream direction.

2, clippers as claimed in claim 1 is characterized in that, exhaust pathway forms by the diffuser unit with around the fan cover of the centrifugal fan of fan unit, and air is just with respect to the front end discharge that has set cut cells in the clippers main body like this.

3, clippers as claimed in claim 1 or 2, it is characterized in that, described diffuser unit is the diffuser with a plurality of blades, and centrifugal fan has a plurality of blades, and the number of the blade of diffuser is arranged to be different from number and two numbers of the blade of centrifugal fan and is arranged to be each other prime number.

4, clippers as claimed in claim 1 or 2, it is characterized in that, also comprise blower module, described blower module comprises fan unit, diffuser unit and is used for being rotated in the motor of the centrifugal fan of fan unit, wherein, fan unit in the described blower module, diffuser unit and motor connect as one, and described blower module is fixed to via the periphery of diffuser unit on the inner surface of housing of clippers main body.

5, clippers as claimed in claim 4 is characterized in that, between the inner surface of the periphery of padded coaming insertion diffuser unit and the housing of clippers main body.