CN102002839A

CN102002839A - Drum-type washing machine

Info

Publication number: CN102002839A
Application number: CN 201010258034
Authority: CN
Inventors: 中村俊介; 黑泽干夫
Original assignee: Hitachi Appliances Inc
Current assignee: Hitachi Appliances Inc
Priority date: 2009-08-27
Filing date: 2010-08-18
Publication date: 2011-04-06
Anticipated expiration: 2030-08-18
Also published as: JP2011045513A; TW201116661A; JP5260448B2; CN102002839B; TWI421388B

Abstract

The invention provides a drum-type washing machine capable of increasing the cleaning force, comprising a rotary drum capable of stretching and retracting clothings; a plurality of raisers arranged on the inner wall of the rotary drum; an outer groove for stretching and retracting the rotary drum and storing the water for washing; an electric machine for driving the rotary drum; a machine box for supporting the outer groove; a plurality of protuberance parts arranged on the bottom wall of the rotary drum and extending in the radial shape from the center and a plurality of convex saliences on the flat part of the bottom wall. According to the structure, the coiled clothings turned up by the raisers mutually rub the convex saliences by rotating the rotary drum, so as to increase the dirt removing effect.

Description

Tumbling-box washing machine

Technical field

The roller washing machine of the cleaning strength when the present invention relates to improve washing in the tumbling-box washing machine.

Background technology

Roller washing machine has for example structure shown in the TOHKEMY 2008-125804 communique (patent documentation 1).

This roller washing machine has: the swing roller of folding and unfolding washings; Be built-in with rotation freely swing roller and accumulate the water jacket of washings; Rotation drives the drive motor of washing inside groove; And the vibration proof mechanism of water jacket is supported in vibrationproof.

Swing roller has: housing cylindraceous; The diapire of housing rear end side; Be located at the distolateral front side reinforcing ring in front side of above-mentioned housing; And the annular fluid balancer that is supported by the front side reinforcing ring etc.

And, in the tumbling-box washing machine shown in the TOHKEMY 2005-334565 communique (patent documentation 2), irregular in order to reduce washing, on the interior week of swing roller, equally spaced dispose the lifter of rolling washings, between this lifter, be provided with the low little lifter of height of aspect ratio lifter.

In addition, in the tumbling-box washing machine shown in the TOHKEMY 2005-253567 communique (patent documentation 3), carry out fully in order not make the washings biasing and to make to stir, rotary part is set, a plurality of projection bodies are set on this rotary part in the bottom surface of swing roller.

Patent documentation 1: TOHKEMY 2008-125804 communique

Patent documentation 2: TOHKEMY 2005-334565 communique

Patent documentation 3: TOHKEMY 2005-253567 communique

In the accompanying dirt,, therefore clean the size that situation depends on the swing roller internal diameter to a great extent on the clothing in cleaning tumbling-box washing machine owing to carry out clothing is applied the method for cleaning that mechanical force is utilized mechanical force.

Promptly, under the situation of tumbling-box washing machine, in the inboard of swing roller a plurality of lifters are set, clothing is rolled in rotation by swing roller, in swing roller, clothing is fallen through maximum height, apply mechanical force and the clean mode of washing clothes to clothing, want to remove preferably the dirt of clothing, need make the internal diameter of swing roller become big.

But, make the internal diameter change of swing roller that body of the washing machine is also become greatly, there is the problem that is difficult to be arranged on general dwelling house.

Therefore, demand does not strengthen the internal diameter of swing roller and removes attached to the dirt on the clothing, and applies the washing machine that can also reduce the irregular mechanical force of washing to clothing.

Summary of the invention

The internal diameter that the objective of the invention is to realize not strengthen swing roller can reduce and remove attached to the not even raising cleaning strength of the washing of the dirt on the clothing.

For achieving the above object, the present invention has: the swing roller of folding and unfolding clothing; Be located at the lifter on the inner peripheral surface of above-mentioned swing roller; The above-mentioned swing roller of folding and unfolding and be configured in the coaxial water jacket of going up and accumulating slurry with swing roller; Drive the motor of above-mentioned swing roller; And the cabinet that supports above-mentioned water jacket, the feature of this tumbling-box washing machine is, connect at above-mentioned swing roller on the diapire of above-mentioned swing roller of above-mentioned motor rotation axis and have many protrusions with radial extension, and have the projection of a plurality of convex forms in the par of above-mentioned diapire from central authorities.

According to the present invention, during rotary drum rotating, the clothing of being rolled by lifter and the projection of diapire rub mutually and are lifted, and, when falling, also rub mutually under the land with the projection of diapire.Thus, the effect that not only can obtain utilizing the bat that falls to wash, the effect that can also obtain washing by rubbing with the hands has improved the effect of removing the clothing dirt.

Description of drawings

Fig. 1 is the outline drawing of expression drum-type washing drying machine of the present invention.

Fig. 2 is the side view of the internal structure of expression drum-type washing drying machine of the present invention.

Fig. 3 is the figure that represents to comprise the dry main unit of washing of washing and dewatering groove, water jacket, motor for the internal structure of representing drum-type washing drying machine of the present invention.

Fig. 4 is from the substantial middle portion slit shearing of fore-and-aft direction and represent the cutaway view of diapire face with the washing and dewatering groove of drum-type washing drying machine of the present invention.

Fig. 5 is from the substantial middle portion slit shearing of fore-and-aft direction and represent the cutaway view of diapire face with the washing and dewatering groove of drum-type washing drying machine of the present invention.

Fig. 6 is from the substantial middle portion slit shearing of fore-and-aft direction and represent the cutaway view of diapire face with the washing and dewatering groove of drum-type washing drying machine of the present invention.

Fig. 7 is from the substantial middle portion slit shearing of fore-and-aft direction and represent the cutaway view of diapire face with the washing and dewatering groove of drum-type washing drying machine of the present invention.

Fig. 8 is from the substantial middle portion slit shearing of fore-and-aft direction and represent the cutaway view of diapire face with the washing and dewatering groove of drum-type washing drying machine of the present invention.

Among the figure:

The 1-cabinet, 2-water jacket, 3-washing and dewatering groove, 3b-lifter, 3d-periphery wall, 3e-diapire, 30-projection.

The specific embodiment

Utilize description of drawings an embodiment of the invention below.

Embodiment 1

Fig. 1 is the outline drawing of the drum-type washing drying machine of an embodiment of the invention.Fig. 2 is the side view of expression internal structure, and Fig. 3 is the figure that represents to comprise the dry main unit of washing of washing and dewatering groove, water jacket, motor for the expression internal structure.

Reference numeral 1 is the cabinet that forms exterior contour.Cabinet 1 is installed on the base 1h, and cabinet 1 comprises: left plate 1a, right plate (not shown), radiator grille 1c, rear mask 1d, last face shield 1e and bottom radiator grille 1f.Left side plate 1a, 1b be by the last girth member (not shown) of コ font, preceding girth member (not shown), post-reinforcing spare (not shown) be combined into, comprises base 1h and form the cabinet 1 of case shape, has full intensity as cabinet.

Reference numeral 9 is doors that are used to put into the input port of taking out clothing of blocking the substantial middle that is located at radiator grille 1c, by the hinge on the girth member before being located at can open and close supported.By by giving as security door open button 9d locking device (not shown) thus the door that come off is opened, thereby be lockable and close by door being pressed into radiator grille 1c.The peristome of preceding girth member and water jacket described later has the peristome that is used to put into the circle of taking out clothing with one heart.

Reference numeral 6 is provided in a side of the operation panel of the center upper portion of cabinet 1, possesses: power switch 39, beginning switch 12, pushbutton switch 13 and display 14.Operation panel 6 is electrically connected on the control device 38 that is located at cabinet 1 bottom.

Reference numeral 3 is rotatably supported washing and dewatering grooves cylindraceous (swing roller), is provided with a plurality of through holes that are used for water flowing and ventilation on its cylinder periphery wall 3d, is provided with in anterior end surface to be used to put into the peristome 3a that takes out clothing.Possesses fluid balancer 3c with washing and dewatering groove 3 one in the outside of peristome 3a.Be formed with therefrom many radial protrusion 3f of mind-set outer edge extension at the diapire 3e of washing and dewatering groove 3.On the inboard of periphery wall 3d, be provided with a plurality of lifter 3b that extend vertically.The rotary middle spindle of washing and dewatering groove 3 becomes level or is inclined to peristome 3a side to uprise.

Reference numeral 2 is water jackets cylindraceous, on coaxial in bag washing and dewatering groove 3, the front is an opening, motor 4 is installed by central authorities in the outside of rear side end face.The rotating shaft of motor 4 connects water jacket 2, combines with the center of the diapire 3e of washing and dewatering groove 3.Peristome in front is provided with water jacket cover 2d, and making can water storage in water jacket.Front center at water jacket cover 2d is provided with the peristome 2c that is used to put into the taking-up clothing.This peristome 2c is connected the water-stop water jacket 2 by closing door 9 with peristome on being located at preceding girth member (not shown) by the bellows 10 of rubber system.Be provided with water discharge outlet 2b at water jacket 2 bottom surface foots, be connected with drainpipe 26.Drainpipe 26 be provided with draining valve (not shown) midway, supply water by closing draining valve, accumulate water at water jacket 2, open draining valve the water in the water jacket 2 be discharged to machine exterior.

Water jacket 2 is supported by vibrationproof by the draft hitch 5 (being made of helical spring and buffer) that downside is fixed on the base 1h.And the upside of water jacket 2 is supported by the secondary spring (not shown) that is installed on the girth member of top, prevent water jacket 2 forwards, backwards direction fall down.

Fig. 4 is the longitudinal section of the diapire 3e of expression washing and dewatering groove 3.

If at washing, rotation washing drying and dehydrating groove 3 when dry, then repeat the action that clothing rises, falls because of gravity by lifter 3b and centrifugal force and along periphery wall 3d.

The projection 30 of the clothing that lifts by lifter 3b and the par that is located at bottom 3e rub mutually (arrow 20).And, under the land that when falling, also can rub mutually (arrow 21) with the projection 30 of diapire 3e.By repeating this action, the effect that not only can obtain utilizing the bat that falls to wash, the effect that can also obtain washing by rubbing with the hands has improved the effect of removing the clothing dirt.In addition, be in the suds, because swing roller repeats positive and negative rotation, the effect that therefore not only can obtain utilizing the bat that falls to wash, the effect that can also obtain washing by rubbing with the hands has improved the effect of removing the clothing dirt.

Fig. 5 is the form example of shape for lugs of the washing and dewatering groove 3 diapire 3e of first embodiment, and the A-A cutaway view is represented the section shape of projection.The feature of present embodiment example is the projection 30a of the convex form of quadrangular pyramid, and configuration is a plurality of side by side on diapire 3e.The length W1 on one side of quadrangular pyramid bottom is 17mm, and height H 1 is 4mm.

Though the high more clean effect of the above-mentioned height H 1 of above-mentioned projection 30a is good more, but owing to diapire 3e is to be that the corrosion resistant plate of 0.6mm carries out stretch process and forms with thickness of slab, and therefore the above-mentioned height H 1 of above-mentioned projection 30a is the bad the suitableeest size that can carry out stretch process of processing that breaking of corrosion resistant plate etc. do not taken place when forming.And, owing to do not need large stamping die just can form, therefore do not need the change significantly and the equipment investment of manufacturing equipment yet.In other embodiment described later, with same reason, the decision optimum size.

Embodiment 2

Fig. 6 is another form example of shape for lugs of the washing and dewatering groove 3 diapire 3e of the 2nd embodiment, and the B-B cutaway view is represented the section shape of projection.The feature of present embodiment example is the projection 30b that becomes concentrically ringed rib shapes on circular arc line, and configuration is a plurality of side by side at certain intervals on diapire 3e.The rib width W 2 of circular arc line is 6mm, and rib heights H2 is 3mm.

Embodiment 3

Fig. 7 is another form example of shape for lugs of the washing and dewatering groove 3 diapire 3e of the 3rd embodiment, and the C-C cutaway view is represented the section shape of projection.The feature of present embodiment example is extending to the projection 30c of rib dress arranged side by side on a certain the parallel straight line many radial protrusion 3f of outer edge with center from diapire 3e, and is a plurality of with certain spacing parallel arranging configuration on diapire 3e.3 6mm of rib width W, height H 3 is 3mm.

Embodiment 4

Fig. 8 is another form example of shape for lugs of the washing and dewatering groove 3 diapire 3e of the 4th embodiment, and the D-D cutaway view is represented the section shape of projection.The feature of present embodiment example is the projection 30d of hemispheric convex form, and configuration is a plurality of side by side on diapire 3e.Hemispheric diameter of a circle W4 is 20mm, and height H 4 is 4mm.

More than, according to the foregoing description, during rotary drum rotating, the clothing of being rolled by lifter rubs mutually with the projection (quadrangle cone shape, the projection that becomes concentrically ringed rib shapes, linearity on circular arc line, hemispheric projection) of diapire and is lifted, and, owing to when falling, also rub mutually under the land with the projection of diapire, the effect that therefore not only can obtain utilizing the bat that falls to wash, the effect that can also obtain washing by rubbing with the hands has improved the effect of removing the clothing dirt.

Claims

1. a tumbling-box washing machine has: the swing roller of folding and unfolding clothing; Be located at the lifter on the inner peripheral surface of above-mentioned swing roller; The above-mentioned swing roller of folding and unfolding and be configured in the coaxial water jacket of going up and accumulating slurry with swing roller; Drive the motor of above-mentioned swing roller; And the cabinet that supports above-mentioned water jacket, it is characterized in that,

On the diapire of above-mentioned swing roller, have many protrusions with radial extension from central authorities, and

Projection with a plurality of convex forms.

2. tumbling-box washing machine according to claim 1 is characterized in that,

The projection of above-mentioned convex form is for having the projection of a plurality of quadrangle cone shape side by side.

3. tumbling-box washing machine according to claim 1 is characterized in that,

The projection of above-mentioned convex form is for having the projection that becomes concentrically ringed rib shapes on circular arc side by side.

4. tumbling-box washing machine according to claim 1 is characterized in that,

The projection of above-mentioned convex form is for having the projection of a plurality of linearities side by side.

5. tumbling-box washing machine according to claim 1 is characterized in that,

The projection of above-mentioned convex form has a plurality of hemispheric projections side by side.