CN100552114C - The ball balance system of washing machine - Google Patents
The ball balance system of washing machine Download PDFInfo
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- CN100552114C CN100552114C CNB2004100936925A CN200410093692A CN100552114C CN 100552114 C CN100552114 C CN 100552114C CN B2004100936925 A CNB2004100936925 A CN B2004100936925A CN 200410093692 A CN200410093692 A CN 200410093692A CN 100552114 C CN100552114 C CN 100552114C
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Abstract
The invention discloses a kind of ball balance system of washing machine, by constituting: the annular outer cover of inner hollow as the lower part; Be located at enclosure, and the spin that moves along circumferencial direction; A plurality of spin are centered around together the friction means that set spacing is arranged and move and rub with spin between spin; The fixed friction parts also center on the support in the friction means outside; This support is provided with the spin more than 2; The friction elastic component is around the part of spin outside; The outer side frame at the two ends of support is provided with elastic component; For portion in the enclosure moves, support has set radian, and the radius of curvature of support equates to the distance between the support with the center of shell, and the present invention does not use work oil and with rubbing member and elastomeric element, so it is simple in structure, cost is low, and does not have noise.
Description
Technical field
The present invention relates to a kind of ball balance system of washing machine.
Background technology
As depicted in figs. 1 and 2, the washing machine of prior art is by constituting as the lower part: the washing machine shell (1) that is provided with washing machine cover (1a) and top cover (1b); Be arranged on the inside of above-mentioned washing machine shell (1), and absorb the outer wash bucket (2) of vibration by damping action; Be provided with ball balance system (7), and be arranged on the inner interior wash bucket (4) of outer wash bucket (2); Make the clutch (5) of above-mentioned interior wash bucket (4) or agitator (4a) rotation; By belt (6a) and roller (6b), the motor (6) of power is provided for above-mentioned clutch (5).
The top cover (1b) of above-mentioned washing machine shell (1) is provided with as the lower part: the washing machine cover (1a) that can pour laundry water (8) into; Be provided with a plurality of buttons above it, control plate (1c) for user operation.
Above-mentioned damper (3) can support above-mentioned outer wash bucket (2), and prevents that outside above-mentioned wash bucket from passing the vibration of coming and passing on the washing machine shell (1).
Above-mentioned motor (6) is selected washing shaft (5a) or dehydrating shaft (5b) by clutch (5), by selecteed washing shaft of above-mentioned clutch (5) (5a) or dehydrating shaft (5b), makes the rotation of above-mentioned agitator (4a) or interior wash bucket (4).
Simultaneously, above-mentioned interior wash bucket (4) is provided with balance sysmte (7).Its effect is: keep the balance when carrying out dehydrating operations.
As shown in Figure 2, balance sysmte (7) is ball balance system (7).Its effect is: the centrifugal force that acts on a side of interior wash bucket (4) when offsetting dehydration.Above-mentioned ball balance system (7) is by constituting as the lower part: the shell (7a) that is fixed on the upper end of interior wash bucket (4); Be filled in the inner work oil (7b) of above-mentioned shell (7a); The spin (7c) that moves in the inside of above-mentioned shell (7a).
The course of work of above-mentioned ball balance system (7) is as follows:
For carrying out dehydrating operations, after above-mentioned motor (6) was gone up energising, the power of above-mentioned motor (6) passed to interior wash bucket (4) by above-mentioned clutch (5) and dehydrating shaft (5b).By the revolving force that above-mentioned clutch (5) transmits, make above-mentioned interior wash bucket (4) begin rotation.At this moment, the rotary speed of above-mentioned interior wash bucket (4) increases gradually, and dewaters.The inner laundry water (8) of wash bucket (4) is close on the inner surface of above-mentioned interior wash bucket (4) in above-mentioned.
In said process, in order to carry out dehydrating operations, above-mentioned interior wash bucket (4) rotation.At this moment, being arranged on the inner spin (7c) of above-mentioned shell (7a) wants to rest on the original position under action of inertia, but under the effect that acts on the work oil (7b) on the above-mentioned spin (7c), spin (7c) is rotated, and reduces the speed difference between above-mentioned interior wash bucket (4) and the spin (7c).After the rotary speed of wash bucket (4) reached certain speed in above-mentioned, through given time, spin (7c) was under the effect of centripetal force, and its speed is identical with the speed of interior wash bucket (4).And spin (7c) is evenly distributed in the inside of above-mentioned shell (7a), and contain above-mentioned in the vibration of wash bucket (4).
When be close to above-mentioned in the laundry water (8) of inner surface of wash bucket (4) uneven be distributed in above-mentioned in the inside of wash bucket (4) time because the effect of above-mentioned laundry water (8), above-mentioned in wash bucket (4) produce eccentric.
In this case, above-mentioned ball balance system (7) keeps the balance of the interior wash bucket (4) of above-mentioned off-centre.Its principle is as follows: be arranged on above-mentioned in the radius of gyration of spin (7c) of upper end of wash bucket (4) bigger than the radius of gyration of above-mentioned laundry water (8), the centripetal force that produces when rotating with the big radius of gyration makes above-mentioned spin (7c) move to the opposite direction of above-mentioned laundry water (8).Move to the reciprocal spin (7c) of laundry water (8) as mentioned above, keep the center of gravity of the interior wash bucket (4) of above-mentioned off-centre, thereby containment is because the vibration that eccentric laundry water (8) is produced.
And be filled under the viscous effect of the inner work oil (7b) of above-mentioned shell (7a), contain moving rapidly of above-mentioned spin (7c), thereby above-mentioned interior wash bucket (4) is stably rotated.
But there is following shortcoming in above-mentioned existing washing machine: the work oil (7b) that is filled in above-mentioned ball balance system (7) is fluid, so the oil sealing of above-mentioned shell (7a) is insufficient or when being subjected to impact injury, above-mentioned work oil (7b) will spill; And the price of above-mentioned work oil (7b) is higher.
Summary of the invention
Above-mentioned shortcoming for the balance sysmte that overcomes existing washing machine exists the invention provides a kind of ball balance system that does not use the washing machine of work oil, to simplify its structure, to reduce cost, reduce noise.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ball balance system of washing machine is by shell, spin, friction means be configured to the enclosure hollow of annular; Spin is arranged on above-mentioned enclosure, and portion moves along circumferencial direction in the enclosure; Between friction means and the above-mentioned spin set spacing is arranged, friction means moves with above-mentioned spin, and plays friction with above-mentioned spin; Support is fixed above-mentioned friction means, support is around the outside of above-mentioned friction means, it is characterized in that: above-mentioned support is provided with the spin more than 2, above-mentioned friction means is around the part of above-mentioned spin outside, the outside at the two ends of above-mentioned support is provided with elastic component, for the enclosure in annular moves, above-mentioned support has set radian, and the radius of curvature of support equates to the distance between the above-mentioned support with the center of above-mentioned shell.
The ball balance system of aforesaid washing machine, wherein friction means is to be made by any one material in synthetic resin, rubber, the sponge.
The ball balance system of aforesaid washing machine, wherein friction means and above-mentioned support are integral.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the in-built sectional drawing of existing washing machine.
Fig. 2 is the sectional drawing of ball balance system shown in Figure 1.
Fig. 3 is the in-built sectional drawing of washing machine of the present invention.
Fig. 4 is that the level of ball balance system of the present invention's first scheme is to sectional drawing.
Fig. 5 is the longitdinal cross-section diagram of the spherical structure shown in Fig. 4.
Fig. 6 is that the level of spherical structure shown in Figure 5 is to sectional view.
Fig. 7 is the A-A sectional view of spherical structure shown in Figure 5.
Fig. 8 is that the level of spherical structure of ball balance system of alternative plan of the present invention is to sectional drawing.
Fig. 9 is the longitdinal cross-section diagram of spherical structure of the ball balance system of third party's case of the present invention.
The number in the figure explanation:
10: washing machine shell 12: operating portion
14: lid 15: top cover
16: side plate 20: outer wash bucket
25: damper 30: interior wash bucket
32: the upper end 40 of interior wash bucket: motor
41: belt 42: roller
44: clutch 45: washing shaft
46: the ball balance system of 50: the first schemes of dehydrating shaft
52: shell 53: the inner surface of shell
60: spherical structure 62: spin
64: friction means 66: support
67: the two ends 68 of support: elastic component
70: the spherical structure 76 of alternative plan: support
80: the spherical structure 84 of third party's case: friction means
The specific embodiment
As shown in Figure 3, washing machine of the present invention is by constituting as the lower part: the washing machine shell (10) that constitutes the washing machine profile; Be arranged on the inner outer wash bucket (20) of above-mentioned washing machine shell (10); Be arranged on the inner interior wash bucket (30) of above-mentioned outer wash bucket (20); Make the drive unit of above-mentioned interior wash bucket (30) rotation; The ball balance system (50) of containing the vibration of above-mentioned interior wash bucket (30).
Above-mentioned washing machine shell (10) is by constituting as the lower part: the top cover (15) that is arranged on the upper end of above-mentioned washing machine shell (10); And side plate (16).Above-mentioned top cover (15) is by constituting as the lower part: the operating portion (12) of selecting laundry pattern, affirmation laundry state for the user; Pour the washing machine cover (14) of laundry water into.
Above-mentioned outer wash bucket (20) is by damper (25), links together with lower end one side of above-mentioned top cover (15).The lower end of above-mentioned outer wash bucket (20) is equipped with above-mentioned drive unit.
Above-mentioned drive unit is by constituting as the lower part: motor (40); Transmit the belt (41) and the roller (42) of above-mentioned motor (40) power; Pass to the clutch (44) of washing shaft (45) or dehydrating shaft (46) being delivered to revolving force on the above-mentioned rollers (42).
Wash bucket (30) is connected above-mentioned dehydrating shaft (46) and goes up rotation in above-mentioned, and above-mentioned agitator (34) is connected above-mentioned washing shaft (45) and goes up rotation.Above-mentioned agitator (34) is arranged on the bottom surface of above-mentioned interior wash bucket (30).
Also have, on the upper end (32) of above-mentioned interior wash bucket, ball balance system (50) is installed.Its effect is: the vibration of wash bucket (30) in the containment is rotated above-mentioned interior wash bucket (30) relatively stablely.
Shown in Fig. 4,5,6, the ball balance system of first scheme of the present invention (50) is by constituting as the lower part: shell (52); The spherical structure (60) that moves in the inside of above-mentioned shell (52).
Above-mentioned shell (52) is fixed on the medial surface of above-mentioned interior wash bucket (30).Above-mentioned shell (52) is one-piece type annular shape, and for spherical structure (60) is moved in the inside of above-mentioned shell (52), above-mentioned shell (52) is a hollow.
Above-mentioned spherical structure (60) is by being constituted as the lower part: spin (62); Center on the friction means (64) of the part of above-mentioned spin (62); The support (66) of fixing above-mentioned friction means (64); Be arranged on the elastic component (68) in the outside of above-mentioned support (66).
Above-mentioned spin (62) is made by firm materials such as iron and steel.Wash bucket (30) rotation the time, above-mentioned spin (62) moves in the inside of above-mentioned shell (52) under the effect of inertia force and centripetal force in above-mentioned.
Between above-mentioned friction means (64) and the above-mentioned spin (62) set spacing is arranged, and can play friction with the above-mentioned spin (62) that is moving.And for above-mentioned spin (62) is rolled, above-mentioned friction means (64) only centers on the part of above-mentioned spin (62).Above-mentioned friction means (64) by and above-mentioned spin (62) between friction, above-mentioned spin (62) is played damping action.Above-mentioned friction means (64) is made by synthetic resin such as sponge or the little material of the above-mentioned spin of hardness ratio (62).
Above-mentioned support (66) mainly plays the effect of fixing above-mentioned friction means (64).Therefore above-mentioned support (66) is around the outside of above-mentioned friction means (64).And for to keep set shape, above-mentioned support (66) is made by certain firm material.
The two ends of above-mentioned support (67) are provided with elastic component (68), and its effect is: reduce the noise that bump and bump produced with other spherical structure (60).Above-mentioned elastic component (68) is made by rubber-like rubber or synthetic resin.
Above-mentioned support (66) moves with above-mentioned spin (62) and above-mentioned friction means (64) under the effect of the inertia of above-mentioned spin (62) and centripetal force.In order to move in the inside of above-mentioned shell (52) better, above-mentioned support (66) is to form with set radian, and its radius of curvature R preferably equates to the distance between the above-mentioned support (66) with the center of above-mentioned shell (52).
Above-mentioned support (66) lining can be provided with a spin (62) and a friction means (64), but for above-mentioned spherical structure (60) is more stably moved, above-mentioned support (66) lining preferably is provided with the spin (62) more than 2.
As shown in Figure 8, on the spherical structure of alternative plan of the present invention (70), support (76) lining is provided with 4 spin (62).The spherical structure (70) of the above-mentioned alternative plan that is provided with 4 spin (62) is along with the increase of spin (62) quantity, and its deadweight also increases together.Along with its inertia of increase of conducting oneself with dignity also increases.Rocking when like this, the spherical structure of alternative plan (70) can reduce dehydration and the time reaches set speed of gyration.For a plurality of spin (62) are set, the length of support (76) also needs corresponding lengthening, and forms set radian.
The spherical structure (80) of third party's case of the present invention as shown in Figure 9 is characterized in that friction means (84) is centered around a plurality of spin (62) together.
Above-mentioned friction means (84) is centered around a plurality of spin (62) together simultaneously, so can be fixed on above-mentioned friction means (84) on the above-mentioned support (66) very easily.
Above-mentioned ball balance system (50,70,80) not only is suitable for and above-mentioned erect type washing machine, also is applicable to barrel roll laundry machine.
The vibration of the interior wash bucket (30) of the main containment of ball balance system (50) when dehydration, and can make uneven be distributed in above-mentioned in the eccentric force of clothing of inside of wash bucket (30), the maintenance balance.The course of work of the ball balance system (50) when stressing dehydration below.
At first, in order to carry out dehydrating operations, in above-mentioned motor (40) turn-on current.Motor (40) by above-mentioned current drives passes to clutch (44) to power by above-mentioned belt (41) and roller (42).The power that is delivered to above-mentioned clutch (44) passes to washing shaft (45) or dehydrating shaft (46) by clutch motor (47).In the time of dehydration, power passes to above-mentioned dehydrating shaft (46), makes above-mentioned interior wash bucket (30) rotation.
In said process, when interior wash bucket (30) rotates, be fixed on above-mentioned in shell (52) on the wash bucket (30) along with wash bucket (30) in above-mentioned rotates together.At this moment, effect of inertia in: be inserted on the spherical structure (60) of inside of above-mentioned shell (52), have the inner surface of spin (62) and the shell (52) of rotation on the inertia-responsive spherical structure (60) to play friction, thereby make also revolution together of above-mentioned spin (62).At this moment above-mentioned spin (62) plays friction with above-mentioned friction means (64), and offsets the inertia of above-mentioned spin (62), and above-mentioned spin (62) is moved along the gyratory directions of above-mentioned shell (52).More strictly speaking, above-mentioned shell (52) is along with wash bucket (30) in above-mentioned rotates together.At this moment, above-mentioned spherical structure (60) is desired to stop, but under the rubbing action of above-mentioned friction means (64) and above-mentioned spin (62), above-mentioned spin (62) begins to move slowly.
When the speed of gyration of wash bucket (30) increased in above-mentioned, the translational speed of above-mentioned spin (62) also increased thereupon.After the speed of gyration of wash bucket (30) reached set speed in above-mentioned, again through after a while, under the effect of centripetal force, above-mentioned spin (62) was evenly distributed in the inside of above-mentioned shell (52).
Above-mentioned spin (62) is evenly distributed on the inner spherical structure (60) of above-mentioned shell (52), can contain above-mentioned in wash bucket (30) vibration and rock.
When laundry water is uneven be distributed in above-mentioned in the inside of wash bucket (not shown) time, above-mentioned spherical structure (60) moves to the opposite direction of above-mentioned laundry water under the effect of centripetal force.The spherical structure (60) that moves to the opposite direction of above-mentioned laundry water is offset the eccentric force by above-mentioned laundry water generates, thus contain above-mentioned in the vibration of wash bucket (30).
The inside of above-mentioned shell (52) is provided with a plurality of spherical structures (60).So when speed of gyration increases, can impact between the spherical structure (60).At this moment, the elastic component that is arranged on the two ends of above-mentioned support (66) can play the effect that reduces the noise that produces owing to the impact between the spherical structure (60).
The effect of invention
The ball balance system of above-mentioned washing machine of the present invention has following advantage:
Do not use the working oil that uses in the washing machine balance system of prior art, thereby make ball balance system Make more easy.
Ball balance system of the present invention does not use working oil, so needn't use oil sealing yet.
Ball balance system of the present invention is not because use the working oil of high price, so can reduce ball balance system Manufacturing cost.
Ball balance system of the present invention is because be provided with the support of the fixing a plurality of spin of section within it, so can fall Bump between the spin of low prior art and the noise that produces.
The support of ball balance system of the present invention is provided with elastic component, the noise that produces so can reduce the bump between the spherical structure.
The elastic component of ball balance system of the present invention can reduce the impulsive force that passes on the support, thereby improves the durability of spherical structure.
Claims (3)
1, a kind of ball balance system of washing machine is by shell, spin, friction means be configured to the enclosure hollow of annular;
Spin is arranged on above-mentioned enclosure, and portion moves along circumferencial direction in the enclosure;
Between friction means and the above-mentioned spin set spacing is arranged, friction means moves with above-mentioned spin, and plays friction with above-mentioned spin;
Support is fixed above-mentioned friction means, and support is characterized in that around the outside of above-mentioned friction means:
Above-mentioned support (66) is provided with the spin (62) more than 2,
Above-mentioned friction means (64) centers on the outside part of above-mentioned spin (62),
The outside at the two ends of above-mentioned support (66) is provided with elastic component (68),
For inner mobile at the shell (52) of annular, above-mentioned support (67) has set radian,
The radius of curvature of support (66) equates to the distance between the above-mentioned support (66) with the center of above-mentioned shell (52).
2, the ball balance system of washing machine according to claim 1 is characterized in that: above-mentioned friction means (64) is to be made by any one material in synthetic resin, rubber, the sponge.
3, the ball balance system of washing machine according to claim 1 is characterized in that: above-mentioned friction means (64) and above-mentioned support (66) are integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100936925A CN100552114C (en) | 2004-11-29 | 2004-11-29 | The ball balance system of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100936925A CN100552114C (en) | 2004-11-29 | 2004-11-29 | The ball balance system of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1782185A CN1782185A (en) | 2006-06-07 |
| CN100552114C true CN100552114C (en) | 2009-10-21 |
Family
ID=36772759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100936925A Expired - Fee Related CN100552114C (en) | 2004-11-29 | 2004-11-29 | The ball balance system of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100552114C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015219284A1 (en) | 2015-10-06 | 2017-04-06 | BSH Hausgeräte GmbH | Household appliance for the care of laundry items with an imbalance compensation device threaded on a chain compensation elements |
| DE102016225002A1 (en) | 2016-12-14 | 2018-06-14 | BSH Hausgeräte GmbH | Household appliance for the care of laundry items with an imbalance compensation device with radially movable compensation elements |
| CN106757985A (en) * | 2017-01-18 | 2017-05-31 | 江南大学 | A kind of gimbal mechanism |
| CN112049094A (en) * | 2020-09-09 | 2020-12-08 | 邱晨霞 | Machine is salvaged to pond floater |
| JP2023010153A (en) * | 2021-07-09 | 2023-01-20 | 青島海爾洗衣机有限公司 | Washing machine |
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2004
- 2004-11-29 CN CNB2004100936925A patent/CN100552114C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1782185A (en) | 2006-06-07 |
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Granted publication date: 20091021 Termination date: 20101129 |