CN203429439U - Drum of washing machine - Google Patents

Abstract

The utility model discloses a drum of a washing machine, which is used for washing clothes, wherein recesses (3) with bulge shapes are formed on the sheet (2) of the clothes-washing drum (1), and the recesses (3) point to a flat part (9) at the inner side of the clothes-washing drum (1) and are arrayed parallel to the axis of the clothes-washing drum (1). The drum is characterized in that a hole (6) is formed among every four recesses (3) on the flat part (9), and a transition radius is formed by mutually connecting the contact parts of the recesses (3).

Description

The cylinder of washing machine

Technical field

The utility model is about a kind of cylinder of washing machine, especially its surface design.

Background technology

In order to reach high-quality laundry, dry and dehydration, outfit hole, surface and the recessed variant of the cylinder of washing machine.

The surface that has presented a kind of laundry wheel in WO9820195, it is comprised of the hexagon dome structure that points to laundry wheel inner side.The thin slice of laundry wheel has and is arranged in the hole of dome between recessed, and dome is recessed for flowing into and flowing out water.

In WO03054275, presented a kind of laundry wheel, the surface of laundry wheel is to mentioned above similar.The dome that the thin slice of laundry wheel and front side have inside sensing laundry wheel is recessed.The recessed shape of described dome is circular, has the whole surface of a various diameter and recessed covering laundry wheel.

The surface that has presented a kind of laundry wheel in EP1293594, it makes the honeycomb with the recessed circular configuration that points to laundry wheel inner side.

The circular surface in DE19731666 with a kind of laundry wheel of the whole surface that covers laundry wheel.Therefore, this kind of structure of laundry wheel gentlier and more stable.

In DE4445669, there is a kind of laundry wheel by recessed covering for reducing the humidity of clothes.Described recessed between perforation.

In GB2268939, have a kind of laundry wheel being covered by air bag, described air bag is applicable to from the bottom of laundry wheel, bail and be poured on the clothes of tip position of laundry wheel.

In CZ21028U1, there is a kind of laundry wheel that comprises the recessed and hole of a plurality of semilunes.The surperficial curling profile similarity of described recessed profile and washboard, washboard was considered as the most suitable performance of laundry in the past.

EP2177656 has further presented a kind of design of thin slice of laundry wheel, and laundry wheel is covered by the honeycomb that points to laundry wheel inner side, is aided with the circular wave that the thin slice of laundry wheel is divided into anterior and rear benefit.

In WO03054275, have a kind of laundry wheel, described laundry wheel has the circular recess of pointing to laundry wheel inner side, yet described recessed parallel and be arranged in a straight line with the axis with laundry wheel.The fact being covered by seven recessed a plurality of nests of dome due to the thin slice of laundry wheel, therefore described recessed configuration very complex.In recessed one be recessed in by six tracks recessed remain fabricate overlapped and around the centre of nest.Connecting line between the recessed center of six tracks forms hexagon.Drilling in the recessed tie point of three contiguous domes.In addition described laundry wheel is difficult to manufacture and, and the flat part between recessed is concerning being not best for sloughing from the inside of laundry wheel water.

The laundry wheel in DE202008001230 with a kind of washing machine, wherein the thin slice of laundry wheel has convex shape recessed of pointing to laundry wheel inner side and flat part.Recessed parallel and be arranged in a straight line with the axis with laundry wheel, however a recessed half-distance around recessed radius and flat part moves mutually along the parallel axis of the central axis with laundry wheel.Each recessed directly by other six recessed around.Flat part between three direct adjacent recessed has hole.

In EP1964960, have a kind of laundry wheel, it has quadrangle pyramidal shape recessed of pointing to laundry wheel outside.Each pyramid has hole at its top.Pyramid is mutually contiguous side by side.

In WO2008/077394, there is a kind of laundry wheel, described laundry wheel has the recessed of hexagon pyramidal shape, at its top, there is hole, or described laundry wheel has the recessed of hexagon domed shape, at its top, have hole, last described laundry wheel has around the centre bore in top and symmetrical other three or four holes that arrange.

Summary of the invention

the purpose of this utility model is to disclose a kind of improvement cylinder of washing machine, and described cylinder has the improvement surface of its thin slice, and described thin slice can be guaranteed washing smoothly and improve the validity of sloughing water from laundry wheel inner side during laundry operations.The purpose of this utility model is achieved through the following technical solutions: the cylinder of washing machine, wherein on the thin slice of laundry wheel, there is the recessed of convex shape, the flat part of recessed sensing laundry wheel inner side and being arranged in parallel with the axis of described laundry wheel, it is characterized in that, every four on described flat part all have a hole between recessed, by interconnecting recessed contact site, form knuckle radius.

described recessed be a symmetrical projection on its axis with a depth capacity.

the described recessed shape in its axis outside with an asymmetric projection of a depth capacity that has.

described in Kong Yiyu, the described axis of laundry wheel is parallel and be arranged in a straight line.

the recessed degree of depth is 1.5mm.

by using the cylinder of washing machine, greatly eliminate shortcoming mentioned above, wherein a recessed half-distance around recessed radius and flat part moves mutually along the parallel axis of the central axis with laundry wheel, yet on the flat part of thin slice, at four, there is all the time hole between recessed, however directly the contact site of adjacent recessed as knuckle radius.

accompanying drawing explanation

fig. 1 is according to the view of expansion laundry wheel of the present utility model,

fig. 2 is the B-detail view of a part of the thin slice of laundry wheel,

fig. 3 is the schematic diagram of laundry wheel in vertical cross-section,

fig. 4 is the expansion detail view at A place in Fig. 3,

fig. 5 is according to the detail view of the cross section of the line C-C of Fig. 1.

the specific embodiment

to use graphic further explanation preferred embodiment of the present utility model:

fig. 1 describes to launch the thin slice 2 of laundry wheel 1.Very clear, the thin slice 2 that launches laundry wheel 1 has the dome recessed 3 of the inner side of pointing to laundry wheel 1.Be preferably in Fig. 4 and Fig. 5 and show.The degree of depth of dome recessed 3 will be advantageously 1.5mm, yet recessed 3 is the darkest at its top.The expansion A-detail view that presents well the dome recessed 3 of exploded view 3 in Fig. 4.May imagine any different depth.Recessed 3 line x1, x2 are parallel with the central axis of laundry wheel 1, yet recessed 3 half-distances around recessed 3 radius and flat part 9 move mutually along the parallel axis of the central axis with laundry wheel 1 and the tie point in flat part 9 in, flat part 9 is between four recessed 3, pierced holes 6, however directly the engagement edge between adjacent recessed 3 as knuckle radius 4.In detail view in Fig. 5, show this situation.

it is advantageously the hole 6 of 3.5mm that flat part 9 has diameter, is used for flowing into and flowing out water.Due to the various demands to dehydration, the described diameter in hole 6 can be different.In the present embodiment, laundry wheel 1 contains 25 holes 6.Hole 6 is minimum points of the thin slice 2 of recessed 3 laundry wheels 1 that tilt wherein.Owing to not thering is flat position between two adjacent recessed 3, therefore do not there is the position that water is remained on to laundry wheel 1 inner side, so water is poured hole 6 immediately downwards into.

by producing according to the thin slice 2 of laundry wheel 1 of the present utility model in the first stage, by stamping tool, bore a hole 6 and press down recessed 3 in second stage.From the interior side perforation 6 of laundry wheel 1, so washed clothes can not damaged in the final cut edge in hole 6.

the inside diameter according to the laundry wheel 1 of the present embodiment with 530mm.

the surface of the thin slice 2 of laundry wheel 1 is contained in the direction of axis that other holes 7 of three rows are placed in laundry wheel 1 for water being scooped into three ribs, in graphic, does not show, is placed on the inner side of laundry wheel 1.When thin slice 2 is rolled onto laundry wheel 1, half hole 10 in two outer anterior edges engages in a row.Described rib is for stirring better clothes.During laundry operations, by hole 7, ladled out water, then from rib hole, pour out water, and water forms spray to washed clothes.Rib is connected to 1, ten rectangle fixing hole 8 of laundry wheel by ten rectangle fixing holes 8 and forms two rows by five lip-deep holes 8 that are through laundry wheel 1.The fixedly tongue of rib is inserted in fixing hole 8.

in another advantageous embodiment, recessed is the symmetry projection at its top with depth capacity.

in another advantageous embodiment, recessed have a shape that the heart therein has the asymmetric projection of depth capacity.

in another advantageous embodiment, recessed have prism, a pyramidal shape.

in another advantageous embodiment, the axis of Kong Yiyu laundry wheel is parallel and be arranged in a straight line.

in an advantageous embodiment, the recessed degree of depth is 1.5mm.

through proof, recessed 3 shape reduces the fracture of the clothes that washs, and increase it and come off, and because the position that does not keep water, so it is centrifugal to carry out perfection.It is uniform, more effective and cost-efficient washing and being dried.

Claims (5)

1. the cylinder of a washing machine, wherein on the thin slice (2) of laundry wheel (1), have recessed (3) of convex shape, recessed (3) are pointed to the flat part (9) of laundry wheel (1) inner side and are arranged in parallel with the axis of described laundry wheel (1), it is characterized in that, between every four recessed (3) on described flat part (9), all have a hole (6), the contact site of recessed by interconnecting (3) forms knuckle radius (4).

2. according to the cylinder of the washing machine of claim 1, it is characterized in that, described recessed (3) are symmetrical projections on its axis with a depth capacity.

3. according to the cylinder of the washing machine of claim 1, it is characterized in that, described recessed (3) have a shape in its axis outside with an asymmetric projection of a depth capacity.

4. according to the cylinder of the washing machine of claim 1, it is characterized in that, the axis of hole (6) and described laundry wheel (1) is parallel and be arranged in a straight line.

5. according to the cylinder of the washing machine of claim 1, it is characterized in that, the degree of depth of recessed (3) is 1.5mm.

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