CN101671936B

CN101671936B - Drum type washing machine

Info

Publication number: CN101671936B
Application number: CN200910170770XA
Authority: CN
Inventors: 若松英俊; 松冈真二; 寺井谦治; 吉田裕一; 桑山卓也
Original assignee: Nippon Steel Corp; Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2008-09-12
Filing date: 2009-09-11
Publication date: 2012-06-06
Anticipated expiration: 2029-09-11
Also published as: EP2163676A3; JP2010088875A; RU2009134163A; RU2427677C2; JP4961461B2; CN101671936A; TW201026924A; CN201538899U; EP2163676A2

Abstract

A drum type washing machine includes a housing, a drum accommodated in the housing, a motor accommodated in the housing. The side plate has plural dents provided therein extending in a longitudinal direction extending horizontally. Widths of plural dents in a vertical direction are larger than a width of an area between dents adjacent to each other out of the plural dents in the vertical direction. The side plate is rigid, accordingly preventing the drum type washing machine from vibrating even when the rotation speed of the drum increases.

Description

Tumbling-box washing machine

Technical field

The present invention relates to a kind of tumbling-box washing machine with shell.

Background technology

Fig. 6 is the stereogram that discloses the existing tumbling-box washing machine of being put down in writing in communique 2007-195859 number 501 at Japan Patent.This tumbling-box washing machine 501 has shell 121.Shell 121 is the case shape basically, has: be located at the guidance panel 5 on the front surface; Be located at the protecgulum 112 on the front surface; Cover the preceding lower cover 113 of protecgulum 112 belows; The base 114 of leg 114A is installed; Be located at the loam cake 111 on the upper surface; Be located at the right panel 102 on the right lateral surface; With the Left-Hand Panel 101 that is located on the left-hand face.Various control buttons and display are installed on guidance panel 5.Gate 2 is installed on the protecgulum 112.The synthetic resin materials processing that loam cake 111, protecgulum 112, preceding lower cover 113 and base 114 usefulness are convenient to process forms.Right panel 102 has high-intensity steel plate with Left-Hand Panel 101 usefulness and processes, and is set as left-right symmetric.In fact shell 121 is the rectangular shape of lengthwise.

Fig. 7 is the stereogram that constitutes the framework 121A of shell 121.Framework 121A is that shell 121 removes loam cake 111, protecgulum 112, preceding lower cover 113, base 114, leg 114A etc. by part remaining behind the synthetic resin materials processing parts.Header board frame plate 103 is striden the front portion of establishing and being fixed on Left-Hand Panel 101 and right panel 102.Header board frame plate 103 supports gate 2 through door-hinge with the mode that opens and closes freely.Gate 2 is provided with the transparent form 53 that processes with transparent materials such as heat resistant glasses and transparent form 53 is fixed on its inner window frame 52.

Upper forepart stiffener 105 is striden the top of establishing and being fixed on Left-Hand Panel 101 and right panel 102 with last rear portion stiffener 106.Anterior stiffener 104 is striden the preceding bottom of establishing and being fixed on Left-Hand Panel 101 and right panel 102, constitutes framework 121A thus.Above-mentioned header board frame plate 103, upper forepart stiffener 105, go up rear portion stiffener 106, anterior stiffener 104 usefulness steel plates process.

In tumbling-box washing machine 501, the parts that constitute shell 121 support by right panel 102 and Left-Hand Panel 101, so right panel 102 and Left-Hand Panel 101 are had certain intensity requirements.On the other hand, for the weight that reduces shell 121 and save rapidoprint, the steel plate thickness of slab that requires to be used to make right panel 102 and Left-Hand Panel 101 grades again will approach.In order to satisfy above requirement, on right panel 102 and Left-Hand Panel 101, be formed with the recess 120 of a plurality of above-below directions.When the thickness of slab of

side panel

101 and 102 was 0.6mm, the degree of depth of recess 120 was about 1mm.

Under the less situation of the rigidity of shell 121, rotate when running of dewatering at a high speed at cylinder,

side panel

101 and 102 vibration are very big.Particularly the vibration frequency of the eigentone of

side panel

101 and 102 and dehydration running near the time,

side panel

101 and 102 can resonate, its Oscillation Amplitude is increasing further.In order to stand such vibration, make the steel plate thickness attenuation that constitutes

side panel

101 and 102 will become very difficult.

In addition; Under the state that gate 2 is opened above gate 2 or shell 121 above add under the situation of bigger pressure loading; These loadings will all be supported by

side panel

101 and 102, make the steel plate thickness of

side panel

101 and 102 be difficult to attenuate like this.

Summary of the invention

The present invention aims to provide a kind of tumbling-box washing machine, comprises shell, is incorporated in the cylinder in the shell and is incorporated in the motor in the shell.Shell is provided with the side panel that processes with steel plate.Side panel is provided with upwardly extending a plurality of recesses in horizontal length side.The above-below direction width of these recesses part between the adjacent recess between the width on the above-below direction is than a plurality of recesses is big.

Like this, because side panel has very strong rigidity, so also be difficult for producing big vibration even improve the rotating speed of this drum type washing machine cylinder.

Description of drawings

Figure 1A is the stereogram of the tumbling-box washing machine in one embodiment of the present of invention.

Figure 1B is the sectional view of this tumbling-box washing machine.

Fig. 2 A is the front view of the side panel in this tumbling-box washing machine.

Fig. 2 B is the sectional view along the 2B-2B line of the side panel among Fig. 2 A.

Fig. 2 C is the resonant frequency of the side panel in the present embodiment.

Fig. 3 A is the front view of the another kind of side panel in the present embodiment.

Fig. 3 B is that side panel among Fig. 3 A is along the sectional view of 3B-3B line.

Fig. 4 A is the front view of the another kind of side panel in the present embodiment.

Fig. 4 B is that side panel among Fig. 4 A is along the sectional view of 4B-4B line.

Fig. 5 A is the front view of the another kind of side panel in the present embodiment.

Fig. 5 B is that side panel among Fig. 5 A is along the sectional view of 5B-5B line.

Fig. 6 is the stereogram of existing tumbling-box washing machine.

Fig. 7 is the stereogram that constitutes the framework of existing tumbling-box washing machine shell.

The specific embodiment

Come with reference to the accompanying drawings one embodiment of the present of invention are elaborated.It is pointed out that such embodiment does not have the effect that limits the scope of the invention.

Figure 1A and Figure 1B are respectively the stereogram and the sectional views of the tumbling-box washing machine 1001 in the present embodiment.Shown in Figure 1A, tumbling-box washing machine 1001 has the rectangular-shaped shell 41 that is longitudinal basically.Shell 41 comprises: be located at the loam cake 30 on the upper surface; Be located at the guidance panel 31 of front surface top; Be located at the protecgulum 33 of front surface central authorities; Be located at the preceding cover 34 down of front surface below; Be located at the base 35 and the

side panel

36,56 that is located at the side of below.On guidance panel 31, be provided with action button and display part.Gate 32 is installed on protecgulum 33.Leg 39 is installed on base 35.The rectangular steel plates that

side panel

36,56 usefulness are longitudinal basically processes very much, with the total weight of base 35 supporting shells 41.

Side panel

36,56 and protecgulum 33 link together.

Tumbling-box washing machine 1001 comprises: shell 41; Be arranged on the tube 82 that is filled with water of enclosure; With tube 82 dampings 84 that are fixed on the shell 41 that are filled with water; Be fixed on the motor 81 on the tube 82 that is filled with water; Be incorporated in the cylinder 83 in the tube 82 that is filled with water; With the drive part that is used for drive motors 81 85.Can pack into after cylinder 83 is set as door 32 the opened structure of washings such as clothes.That is damping 84, motor 81 and cylinder 83 are incorporated in the shell 41.Cylinder 83 is center rotation with rotating shaft 81A under the driving of motor 81, carries out the washing and the dehydration of washings.

On side panel 36, be provided with when moving tumbling-box washing machine 1001 the handle part 38 that can hand be stretched into and in order to paste the planar section 40 of reminding the warning printing mark that the user should be noted that in use.On the handle portion 38 and other part beyond the planar section 40 of side panel 36, be provided with a plurality of recesses 37 that on horizontal length direction 1001A, extend.These recesses 37 are configured to from the side, and the leading edge 36C of the surperficial 36A of plate 36 extends to back edge 36D always.Side panel 56 is identical with side panel 36, also is formed with a plurality of recesses.These recesses 37 have improved the rigidity of 36,56 whole of side panels.

Fig. 2 A is the front view of side panel 36, and Fig. 2 B is the sectional view of the side panel 36 shown in Fig. 2 A along the 2B-2B line.Side panel 36 has surperficial 36A and surperficial 36A opposite surfaces 36B.On the surperficial 36A of side panel 36, be provided with a plurality of recesses 37 that extend along horizontal length direction 1001A.Also be provided with on the side panel 36 between the recess 37 adjacent in a plurality of recesses 37, with recess 37 portions joined 87.Recess 37 has concave surface 37A and the convex surface 37B opposite with concave surface 37A of the part of the surperficial 36A that is all side panel 36.Convex surface 37B is the part of surperficial 36B.The part 87 of side panel 36 comprise a part that is all surperficial 36A surperficial 87A and with surperficial 87A opposite surfaces 87B.Surface 87B is the part of surperficial 36B.The surperficial 87A of the part 87 on the side panel 36 is connected with the concave surface 37A of recess 37, and surperficial 87B is connected with the convex surface 37B of recess 37.Recess 37 has width P on above-below direction 1001B, the concave surface 37A of recess 37 has degree of depth Q simultaneously.In addition, the part between the adjacent recesses 37 87 has width T on above-below direction 1001B.Recess 37 carries out local punch process by the steel plate that constitutes

side panel

36,56 and forms.Through this operation, plastic deformation takes place in recess 37, but part 87 does not deform.Because shell 41 is rectangular shape basically, so side panel 36 (56) is bigger than the width on the horizontal direction (the degree direction 1001A of recess 37) in the length on the above-below direction 1001B.

The width P of recess 37 sets for bigger than the width T of the part 87 of 37 of recesses.That is a plurality of recesses 37 are big at the width T of the width P of the above-below direction part 87 between the adjacent recess 37 in than a plurality of recesses 37.Like this, for the part that does not deform 87, can strengthen the part that plastic deformation takes place in the side panel 36 (56) is the area of recess 37, thereby can improve the surface rigidity of side panel 36 (56).

The inventor has also made a laboratory sample of side panel 36 (56).The sample of present embodiment uses thickness of slab to process as the steel plate of 0.6mm, and the quantity of recess 37 is specially 11, and the width P of recess 37 on above-below direction 1001B approximately is 50mm, and degree of depth Q is about 3.5mm.

Simultaneously, the inventor also utilize the steel plate of 0.6mm thickness of slab processed existing roller washing machine 501 as shown in Figure 6 side plate 10 relatively use sample.Be 4 with sample in the quantity of the recess 120 of above-below direction arrangement relatively, the degree of depth of recess 120 is 1mm.

Fig. 2 C shows embodiment sample and the resonant frequency of relatively using sample.Can find out that from Fig. 2 C any one resonant frequency in the first resonance frequency of embodiment sample, subresonance frequency, three subresonance frequencies, the four subresonance frequencies all compares high with

sample.Side panel

36 and 102 adds on approaching the resonant frequency shown in Fig. 2 C when shaking, and very big vibration can take place, and it is big that the vibration of shell also can become.

The rotating speed of cylinder 83 is generally about 1600 rev/mins during the dehydration running, and vibration frequency is 26.6Hz.Compare with the first resonance frequency 37.6Hz of embodiment sample, relatively the first resonance frequency 18.8 with sample more approaches this vibration frequency 26.6Hz.Therefore, compare with existing tumbling-box washing machine 501, the tumbling-box washing machine 1001 that is equipped with in the present embodiment of side panel 36 (56) more is difficult for producing vibration when the dehydration running.

Through forming a plurality of recesses 37, improved the surface rigidity of side panel 36, improve the resonant frequency of side panel 36, the vibration frequency during away from the dehydration running can reduce the vibration of shell 41.Like this, can improve dehydrating speed, shorten the duration of runs of dewatering, also can reduce the thickness of side panel 36, process side panel 36 with less material.

Side panel 36 is bigger than the width of horizontal direction at the height of above-below direction 1001B, in fact is vertically long rectangle.Therefore, if after the width P of recess 37 is set at the value of regulation, just can a plurality of recesses 37 be arranged on the side panel 36, thus the surface rigidity of side panel 36 can be improved.

Being made as apart from S between the neighboring of side panel 36 such as back edge 36D and the recess 37 is littler than the width P of recess 37.Like this, the area of the recess 37 through adding large plastometric set part as far as possible, thus can further improve the surface rigidity of side panel 36.

Fig. 3 A is the front view of the another kind of side panel 136 among the embodiment.Fig. 3 B is that side panel 136 among Fig. 3 A is along the sectional view of 3B-3B line.Fig. 3 A has put on identical reference marks with Fig. 3 B with the side panel 36 identical parts shown in Fig. 2 A and Fig. 2 B, at this it is omitted the explanation to it.

Side panel 136 has identical shaped neighboring with the side panel 36 shown in Fig. 2 A and Fig. 2 B.Form recess 137 on the side panel 136, replaced the recess 37 on the side panel 36 shown in Fig. 2 A and Fig. 2 B.Recess 137 is different with the cross sectional shape of recess 37 on above-below direction 1001B; Basically be circular-arc cross section; Like this can the material extending rate of reduced side panel 136 on above-below direction 1001B, and camber and torsion resistance can reduce punching press the time, and the matched moulds strength during punching press also can reduce; So both can reduce the equipment investment expense, can improve the resonant frequency of side panel 136 again.In the present embodiment, the radius R of circular shape approximately is 90mm, and depth capacity Q approximately is 3.5mm.

Fig. 4 A is the front view of the another kind of side panel 236 among the embodiment, and Fig. 4 B is that side panel 236 among Fig. 4 A is along the sectional view of 4B-4B line.Fig. 4 A has only put on identical reference marks with Fig. 4 B with the side panel 136 identical parts shown in Fig. 3 A and Fig. 3 B, omits the explanation to it at this.

Side panel 236 has the neighboring identical shaped with side panel shown in Fig. 3 A and Fig. 3 B 136.Be formed with recess 237 on the side panel 236, replaced the recess 137 on the side panel 136 shown in Fig. 3 A and Fig. 3 B.Same among recess 237 and Fig. 3 A and Fig. 3 B, the circular section that on above-below direction 1001B, is.Recess 237 is different with the shape at the both ends of recess 37 on horizontal length direction 1001A, has the both ends 237C and the 237D that are half-circle-arc shape that is circular shape.Under the effect of the both ends of half-circle-arc shape 237C and 237D, recess 237 has the mild concave surface that rises and falls, so camber and torsion resistance can reduce punching press the time.In the present embodiment, the width P of recess 237 approximately is 50mm, and depth capacity Q approximately is 3.5mm, and the radius V of the circular shape of both ends 237C, 237D approximately is 25mm.

Fig. 5 A is the front view of the another side panel 336 among the embodiment, and Fig. 5 B is the sectional view of the side panel 336 shown in Fig. 5 A along the 5B-5B line.Only put on identical reference marks with the side panel 136 identical parts shown in Fig. 3 A and Fig. 3 B among Fig. 5 A and Fig. 5 B, omitted explanation it at this.

Side panel 336 has the neighboring identical shaped with side panel shown in Fig. 3 A and Fig. 3 B 136.Form recess 337 on the side panel 336, replaced the recess 137 of the side panel 136 shown in Fig. 3 A and Fig. 3 B.Recess 337 on above-below direction 1001B, also have with Fig. 3 A and Fig. 3 B in identical circular shape cross section.Recess 337 is different with the both ends shape of recess 37 on horizontal length direction 1001A, and the both ends 337C of the horizontal direction of

recess

337 and 337D have along the shape of the outer rim 336C of

side panel

336 and 336D (keeping certain distance with it).In addition, 337C and 337D place also are provided with the angle of relative horizontal direction 1001A inclination regulation and have the inclined plane 45 until recess 337 bottom surfaces at both ends.Like this, the surperficial 336A of side panel 336 can be connected with the bottom of recess 337 smoothly, thus camber and torsion resistance both can reduce punching press the time, the vibration in the time of can reducing the dehydration running again, and have good surface appearance.In the present embodiment, the width P of recess 337 approximately is 50mm, and degree of depth Q approximately is 3.5mm.

Claims

1. tumbling-box washing machine is characterized in that comprising:

Protecgulum;

Shell with the side panel that connects above-mentioned protecgulum;

Formation take in washings shape, be incorporated in the cylinder in the above-mentioned shell;

Make above-mentioned rollers running, be incorporated in the motor in the above-mentioned shell; With

Be used for the gate on the above-mentioned protecgulum above-mentioned washings of taking-up/input, that be installed in above-mentioned shell in the above-mentioned cylinder,

Above-mentioned side panel is to process with steel plate;

On above-mentioned side panel, be provided with a plurality of recesses that extend along the horizontal length direction;

The width of above-mentioned a plurality of recess on above-below direction is bigger than the width on the above-mentioned above-below direction of the part between the adjacent recesses in above-mentioned a plurality of recesses.

2. tumbling-box washing machine as claimed in claim 1 is characterized in that:

The cross section of above-mentioned a plurality of recess on above-below direction is circular shape.

3. according to claim 1 or claim 2 tumbling-box washing machine is characterized in that:

The both ends of above-mentioned a plurality of recess on above-mentioned length direction are circular shape.

4. according to claim 1 or claim 2 tumbling-box washing machine is characterized in that:

The both ends of above-mentioned a plurality of recess on above-mentioned length direction are along the outer peripheral shape of above-mentioned side panel.