CN201136980Y

CN201136980Y - Multi-stage damping roll washing machine

Info

Publication number: CN201136980Y
Application number: CNU200720042008XU
Authority: CN
Inventors: 郑圭凡; 吴正; 刘伟; 丁海洋
Original assignee: Suzhou Samsung Electronics Co Ltd
Current assignee: Suzhou Samsung Electronics Co Ltd
Priority date: 2007-11-30
Filing date: 2007-11-30
Publication date: 2008-10-22
Anticipated expiration: 2017-11-30

Abstract

The utility model discloses a multi-stage damping drum washing machine, which relates to the drum washing machine that comprises a box body, an outer drum component, a hanging spring and shock absorbers, wherein, the upper part of the outer drum component is connected with the washing machine box body through the hanging spring, and the bottom of the outer drum component is connected with the washing machine body through the shock absorbers. The multi-stage damping drum washing machine is characterized in that the shock absorbers have two types of A and B, the upper and the lower ends of the A shock absorber are directly connected with the outer drum component and the washing machine, however, the lower end of the B shock absorber is also connected with the box body of the washing machine, but the upper end is connected with a piston that is positioned in a sleeve, and the sleeve is fixed at the outer drum component; the number of the A and the B shock absorbers is distributed by using a vertical line as a symmetry axis symmetrically. Through adopting the technical proposal, different damping strength can be correspondingly produced at different load stages of the washing machine operation, and the vibration range of the outer drum component of the washing machine can be reduced, so the space of the washing machine is saved, the vibration of the washing machine body can be effectively buffered, and the noise is greatly lowered.

Description

Multistage damping roller washing machine

Technical field

The utility model relates to roller washing machine, relates in particular to a kind of multistage damping roller washing machine that can effectively save washing machine space and damping noise reduction.

Background technology

Along with the continuous development of science and technology, as electric product indispensable in the civilian household appliances, washing machine is also constantly weeded out the old and bring forth the new.Washing machine in the market is by structure and mode of washing classification, roughly can be divided into: pulsator washing machine, tumbling-box washing machine, agitator type washing machine, jet washing machine, spray-type washer and oscillatory type washing machine, other washing machine wash degree is higher, clothing weares and teares still less and wherein compare to roller washing machine especially, more economize on water, economize on electricity and save washing powder, beginning more and more is subjected to consumer's favor.

At present, roller washing machine generally all is to cooperate by several dampers to hang spring and be used for reaching support and damping purpose to the outer barrel of washing machine assembly simultaneously.As shown in Figure 1 be the structural representation of existing damping roller washing machine.As seen from the figure, the damping structure of this roller washing machine relates generally to casing of washing machine 1, outer tub assembly 2, hangs spring 3 and category-A damper 4.The top of tub assembly 2 is by hanging spring 3 in casing of washing machine 1 outside, and the bottom of tub assembly 2 then is connected in casing of washing machine 1 by category-A damper 4 outside.

Yet, often there is damper structure unreasonable allocation in existing roller washing machine: if adopt the less damper of damping, though vibration of washing machine and noise are improved, but can make simultaneously washing machine under dewatering state outside bucket component vibration amplitude very big, great waste has been caused in the washing machine space; If adopt the bigger damper of damping, though bucket component vibration amplitude is smaller outside can making under the laundry machine dehydration state.Save the space, but can make the washing machine box body that very big vibration takes place, and the noise that is increased thus, also greatly reduced the performance parameter of product, can't satisfy users' needs.

Summary of the invention

At above-mentioned the deficiencies in the prior art, the purpose of this utility model is: a kind of multistage damping laundry drum is provided, solves vibrating noise under the serious and washing state of the waste of washing machine space now and be difficult to the problem coordinating, alleviate.

The technical solution of the utility model is:

Multistage damping roller washing machine, relate to roller washing machine casing, outer tub assembly, hang spring and damper, the top of outer tub assembly is connected in casing of washing machine by hanging spring, the bottom of outer tub assembly then links to each other with casing of washing machine by damper, it is characterized in that: described damper has A, B two classes, the upper/lower terminal of category-A damper directly is connected with casing of washing machine with outer tub assembly, though and category-B damper lower end also links to each other with casing of washing machine, but the upper end is connected with a piston, piston places in the sleeve, and sleeve is fixed in outer tub assembly; The quantity of category-A damper and category-B damper all is that symmetry axis is symmetrically distributed with the vertical line.

Adopt technical solutions of the utility model, can be in corresponding different damping intensities, the Oscillation Amplitude of reduction outer barrel of washing machine assembly, the space of both having saved washing machine of producing of the different load stage of washing machine running, effectively cushion the vibration of body again, greatly reduced noise.

Description of drawings

Fig. 1 is the structural representation of existing damping roller washing machine;

Fig. 2 is the structural representation of the utility model multistage damping roller washing machine.

The implication of each Reference numeral is as follows among the figure:

1 casing of washing machine, 2 outer tub assemblies

3 hang spring 4 category-A dampers

5 category-B dampers, 6 pistons

7 sleeves

The specific embodiment

Purpose, feature and the advantage of the utility model multistage damping roller washing machine will specifically describe in conjunction with respective drawings further by following preferred embodiment, to deepen the understanding to this case innovation essence.

As shown in Figure 2 be the structural representation of the utility model multistage damping roller washing machine.Can be clear that the improvement of this case at damping structure by this embodiment accompanying drawing: the utility model provides a kind of multistage damping roller washing machine, relate to casing of washing machine 1, outer tub assembly 2, hang spring 3 and damper, the top of outer tub assembly 2 by about two hang spring 3 and be connected in casing of washing machine 1, the bottom of outer tub assembly 2 then links to each other with casing of washing machine 1 by damper.Wherein special feature is, described damper has A, B two classes, the upper/lower terminal of category-A damper 4 directly is connected with casing of washing machine 1 with outer tub assembly 2, though and newly-increased category-B damper 5 lower ends also link to each other with casing of washing machine 1, but the upper end is connected with a piston 6, piston 6 places in the sleeve 7 and is free to slide, and sleeve 7 then is fixed on the outer tub assembly 2.

And the quantity of category-A damper 4 and category-B damper 5 is that axial symmetry distributes with the central vertical line all.Embodiment as shown in Figure 2 is: category-A damper 4 has two, and the left and right sides category-B damper 5 that is arranged on outer tub assembly 2 bottoms has one, is arranged on the symmetrical centre of outer tub assembly 2 bottoms.

When washing machine is in dehydration during duty, as long as the amplitude of outer tub assembly 2 does not exceed a certain scope, when promptly piston 6 did not reach range and contacts in sleeve 7, that just had only category-A damper 4 to work, and this is the stage one; And, making piston 6 reach in sleeve 7 that range contacts and when compressing, then category-B damper 5 participates in the supporting role of category-A damper 4 in the lump in case the amplitude of outer tub assembly 2 exceeds a certain scope, this is the stage two.This just is equivalent to the difference of outer tub assembly 2 according to Oscillation Amplitude, has obtained the cushioning effect of different damping intensity stage by stage.

By as seen above-mentioned, adopt the technical solution of the utility model, can reach at the different damping intensity of corresponding generation of the different load stage of washing machine running, reduce the amplitude of outer tub assembly, both save the space of washing machine, effectively cushioned the vibration of body again, greatly reduced noise.

Only be the preferred application example of technical solutions of the utility model in sum, the quantity that its category-B damper is provided with can be for one or more, and are that axial symmetry distributes with the central vertical line.Further, the position of A, category-B damper all can exchange mutually, is combined into different multistage damping roller washing machines.All employing equivalents or equivalence replace and the technical scheme that forms, can realize all dropping on this patent purpose within the claimed interest field of the utility model.

Claims

1. multistage damping roller washing machine, relate to roller washing machine casing, outer tub assembly, hang spring and damper, the top of outer tub assembly is connected in casing of washing machine by hanging spring, the bottom of outer tub assembly then links to each other with casing of washing machine by damper, it is characterized in that: described damper has A, B two classes, the upper/lower terminal of category-A damper directly is connected with casing of washing machine with outer tub assembly, though and category-B damper lower end also links to each other with casing of washing machine, but the upper end is connected with a piston, piston places in the sleeve, and sleeve is fixed in outer tub assembly; The quantity of category-A damper and category-B damper all is that symmetry axis is symmetrically distributed with the vertical line.

2. multistage damping roller washing machine according to claim 1, it is characterized in that: the category-A damper has two, is arranged on the left and right sides of outer tub assembly bottom; The category-B damper has one, is arranged on the symmetrical centre of outer tub assembly bottom.

3. multistage damping roller washing machine according to claim 1, it is characterized in that: the category-B damper has two, is arranged on the left and right sides of outer tub assembly bottom; The category-A damper has one, is arranged on the symmetrical centre of outer tub assembly bottom.

4. multistage damping roller washing machine according to claim 1 is characterized in that: category-A damper and category-B damper all have two, and the category-A damper is arranged on the outside, and the category-B damper is arranged on the inboard, separately left-right symmetry.

5. multistage damping roller washing machine according to claim 1 is characterized in that: category-A damper and category-B damper all have two, and the category-B damper is arranged on the outside, and the category-A damper is arranged on the inboard, separately left-right symmetry.