CN1782186A - Ball balance system of washing machine - Google Patents
Ball balance system of washing machine Download PDFInfo
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- CN1782186A CN1782186A CN 200410093694 CN200410093694A CN1782186A CN 1782186 A CN1782186 A CN 1782186A CN 200410093694 CN200410093694 CN 200410093694 CN 200410093694 A CN200410093694 A CN 200410093694A CN 1782186 A CN1782186 A CN 1782186A
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Abstract
The ball balance system for washing machine consists of: a hollow ring shell; balls capable of rolling in the circumference direction inside the shell; and elastic member set on the surface, on which the balls under the action of the centripetal force contact, of the shell to damp the balls. The elastic member is set on the outer inner wall of the shell, in uneven and made of synthetic resin, rubber or sponge. The present invention has simple structure and low cost, and can lower vibration effectively.
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, existing washing machine 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 laundry casing (1), and absorb the outer wash bucket (2) of vibration by damping action; Be provided with ball balance system, 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 clutch (5) is selected washing shaft (5a) or dehydrating shaft (5b) by clutch motor (5c), by selecteed washing shaft of above-mentioned clutch motor (5c) (5a) or dehydrating shaft (5b), make 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.
Balance sysmte as shown in Figure 2 (7) is ball balance system (7).Its effect is: the centrifugal force that acts on a side of interior wash bucket (4) when offsetting dehydrating operations.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 is as follows:
For carrying out dehydrating operations, after above-mentioned motor (6) was connected electricity, 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 (4b) 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, 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 the washing machine of above-mentioned prior art: 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
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of ball balance system of washing machine, it does not use work oil, and easy to make, cheap.
The technical solution adopted for the present invention to solve the technical problems is:
The ball balance system of washing machine of the present invention is characterized in that by being constituted as the lower part: the annular outer cover of inner hollow; Be arranged on above-mentioned enclosure, and the spin that moves along circumferencial direction of portion in the enclosure; When shell rotated, spin was arranged on this surface on a certain surface that is close to shell under the effect of centripetal force, and spin was played the elastic component of damping action.
Above-mentioned elastic component is arranged on the outside, inside of above-mentioned shell.
The surface that above-mentioned elastic component contacts with above-mentioned spin is a concaveconvex shape.
Above-mentioned elastic component is to be made by in synthetic resin, rubber, the sponge any one.
Description of drawings
The present invention is further described in conjunction with the accompanying drawings and embodiments for face.
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 the sectional drawing of the ball balance system of the present invention's first scheme.
View when Fig. 5 a and Fig. 5 b are the first scheme ball balance system of the present invention work.
Fig. 6 is the sectional drawing of the ball balance system of alternative plan 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 54: spin
56: elastic component 56a: the surface of elastic component
60: the ball balance system 66 of alternative plan: the elastic component of alternative plan
66a: the surface 67 of elastic component: jog
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 confession user selects the laundry pattern, confirms the operating portion (12) of laundry state, pours 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 the power of above-mentioned motor (40); Pass to the clutch (44) of washing shaft (45) or dehydrating shaft (46) being delivered to revolving force on the above-mentioned rollers (42).Number in the figure 34 is an agitator.
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.
As shown in Figure 4, the ball balance system of first scheme of the present invention (50) is by constituting as the lower part: shell (52); The spin (54) that moves in the inside of above-mentioned shell (52); Be arranged on the elastic component (56) on the above-mentioned shell (52).
Above-mentioned shell (52) is fixed on the medial surface (32) of above-mentioned interior wash bucket (30).Above-mentioned shell (52) is one-piece type toroidal, and for spin (54) is moved in the inside of above-mentioned shell (52), above-mentioned shell (52) is a hollow.
Above-mentioned spin (54) is to be made by firm materials such as iron and steel.Wash bucket (30) rotation the time, above-mentioned spin (54) moves in the inside of above-mentioned shell (52) under the effect of inertia force and centripetal force in above-mentioned.
Also have, above-mentioned elastic component (56) sticks on the inner surface of above-mentioned shell (52), and for the abundant power of attenuation on above-mentioned spin (54) of energy, above-mentioned elastic component (56) has set thickness.And in order to go up the generation damping action in spin (54), above-mentioned elastic component (56) is made by materials such as synthetic resin, rubber, sponge or polyurethane foams.
Above-mentioned elastic component (56) contacts with above-mentioned spin (54), and plays rubbing action, thereby the above-mentioned spin of damping (54) is mobile.And the centripetal force of absorption on above-mentioned spin (54), thereby prevent that above-mentioned spin (54) from moving.So as implied above, the elastic component (56) of the active force of absorption on spin (54) is when above-mentioned centripetal force increases, because the retractility of above-mentioned elastic component 54 acts on the damping force of above-mentioned spin (54) also along with increase.On the contrary, when above-mentioned centripetal force reduced, above-mentioned damping force also reduced.
As shown in Figure 6, alternative plan ball balance system of the present invention, in order to increase the friction between above-mentioned spin (54) and the elastic component (66), the surface of above-mentioned elastic component (66a) formed by jog (67).
So, go up the spin (54) and above-mentioned jog (67) collision that moves on the surface (66a) of the above-mentioned elastic component that is provided with jog (67), thereby increase frictional force.And, when acting on centripetal force on the above-mentioned spin (54) when increasing, also increase by compressing above-mentioned elastic component (66), make the damping force that acts on the above-mentioned spin (54).
Below with reference to Fig. 3 and Fig. 6, describe the course of work of washing machine ball balance system of the present invention (50) in detail.
The vibration of the interior wash bucket (30) when above-mentioned ball balance system (50) is used to contain dehydration, and the uneven washed eccentric force that is distributed in the inside of above-mentioned interior wash bucket (30) of balance.The course of work of the ball balance system (50) when stressing dehydration below.
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 spin (54) of inside of above-mentioned shell (52), have the inertia-responsive spin (54) and the surface (56a) of the elastic component of rotation to play friction, thereby make also revolution together of above-mentioned spin (54).By the friction between above-mentioned spin (54) and the elastic component (56), make the spin (54) that originally stops along with the direction of rotation of shell (52) begins to rotate.When the speed of gyration of above-mentioned spin (54) and shell (52) was identical, shown in Fig. 5 a, under the effect of centripetal force, spin (54) stopped on the surface (56a) of above-mentioned elastic component with above-mentioned elastic component (56) relatively.And above-mentioned spin (54) be distributed in can make above-mentioned in the weight of wash bucket (30) and clothing become on the equally distributed position, thereby 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 spin (54) moves to the opposite direction of above-mentioned laundry water under the effect of centripetal force.To the spin (54) that the opposite direction of above-mentioned laundry water moves, offset eccentric force by above-mentioned laundry water generates, thereby contain above-mentioned in the vibration of wash bucket (30).
Rotation the time, shown in Fig. 5 b, above-mentioned spin (54) is compressed above-mentioned elastic component (56) to wash bucket (30), and is trapped in above-mentioned elastic component (56) lining at a high speed in above-mentioned.When acting on the centripetal force increase on the above-mentioned spin (54), prevent that the mobile damping force of above-mentioned spin (54) is also along with increase.
And in alternative plan, the surface of elastic component (66a) forms jog (67).When spin moves, contact with above-mentioned jog (67) and the frictional force that rises increases.So above-mentioned jog (67) can shorten the time that the speed of above-mentioned spin (54) reaches the speed of gyration of above-mentioned interior wash bucket 30.
And when interior wash bucket (30) rotated at a high speed, above-mentioned spin (54) was supported between above-mentioned jog (67) and the jog (67), so the damping force of fixing above-mentioned spin (54) can be bigger.
The ball balance system of Xi Yi machine of the present invention has following You point:
The working oil that does not use Xian You washing machine balancing Xi system Zhong to use, and use the elasticity that can produce damping force Member, thus can make the Zuo processed of ball balance system more simple.
Ball balance system of the present invention does not use working oil, so also needn't use the You envelope.
Ball balance system of the present invention is because Weiing the working oil not use high price, so can reduce ball balance system Zuo expense processed.
Ball balance system of the present invention is Yin Wei to use elastic component, thus along with on the Zuo Yong Zai spin Xiang Xin power Zeng big, it is big that damping force also Yi plays Zeng.
And the surperficial Xing one-tenth jog of the ball balance system Zai elastic component of alternative plan of the present invention, thereby Zeng Big above-mentioned spin is Yu the frictional force between Zhi the above-mentioned elastic component, thereby the speed that reduces above-mentioned spin reaches State the time of the speed of gyration of wash-in Yi bucket.
Claims (4)
1, a kind of ball balance system of washing machine includes:
The annular outer cover of inner hollow;
Be arranged on above-mentioned enclosure, and the spin that moves along circumferencial direction of portion in the enclosure; It is characterized in that it also comprises:
When shell rotated, spin was arranged on this surface on a certain surface that is close to shell under the effect of centripetal force, and spin was played the elastic component of damping action.
2, the ball balance system of washing machine according to claim 1 is characterized in that,
Above-mentioned elastic component is arranged on the outside, inside of above-mentioned shell.
3, the ball balance system of washing machine according to claim 2 is characterized in that,
The surface of the above-mentioned elastic component that contacts with above-mentioned spin is a concaveconvex shape.
4, according to the ball balance system of claim 1 or 3 described washing machines, it is characterized in that,
Above-mentioned elastic component is to be made by any one material in synthetic resin, rubber, the sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100936944A CN100532683C (en) | 2004-11-29 | 2004-11-29 | Ball balance system of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100936944A CN100532683C (en) | 2004-11-29 | 2004-11-29 | Ball balance system of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1782186A true CN1782186A (en) | 2006-06-07 |
| CN100532683C CN100532683C (en) | 2009-08-26 |
Family
ID=36772760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100936944A Expired - Fee Related CN100532683C (en) | 2004-11-29 | 2004-11-29 | Ball balance system of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100532683C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854821A (en) * | 2016-12-25 | 2017-06-16 | 宁波江北瑞臣工艺品设计有限公司 | A kind of noiseless drier |
| CN108214023A (en) * | 2018-01-22 | 2018-06-29 | 中信戴卡股份有限公司 | A set of fixture for solving outer rim shake knife |
-
2004
- 2004-11-29 CN CNB2004100936944A patent/CN100532683C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854821A (en) * | 2016-12-25 | 2017-06-16 | 宁波江北瑞臣工艺品设计有限公司 | A kind of noiseless drier |
| CN108214023A (en) * | 2018-01-22 | 2018-06-29 | 中信戴卡股份有限公司 | A set of fixture for solving outer rim shake knife |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100532683C (en) | 2009-08-26 |
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Granted publication date: 20090826 Termination date: 20101129 |