CN2256898Y - Buoyance type full-automatic washer clutch driving device - Google Patents
Buoyance type full-automatic washer clutch driving device Download PDFInfo
- Publication number
- CN2256898Y CN2256898Y CN 96204465 CN96204465U CN2256898Y CN 2256898 Y CN2256898 Y CN 2256898Y CN 96204465 CN96204465 CN 96204465 CN 96204465 U CN96204465 U CN 96204465U CN 2256898 Y CN2256898 Y CN 2256898Y
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- CN
- China
- Prior art keywords
- washtub
- tooth
- washing tub
- steel ladle
- bung
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a buoyance type fully automatic washer clutch driving device. The utility model has the structure that a washing tub is sheathed in a water containing bucket, the bottom of the washing tub is provided with an air chamber, the washing tub and a driving main shaft are in sliding fit, the inner bottom surface is provided with an inner tooth gear which is matched with an outer tooth gear of a driving main shaft, and the outer edge of the washing tub and the outer edge of the water containing bucket are provided with matched circumference teeth. When the utility model is used for washing, the washing tub is floated off, the inner and the outer tooth gears of the bottom of the tub are disengaged, the two circumference teeth of the upper part of the washing tub and the upper part of the water containing bucket are engaged, and the washing tub can not be rotated. When the utility model is used for dewatering, the washing tub falls down, the inner and the outer tooth gears of the bottom are engaged, the two circumference teeth of the upper part of the washing tub and the upper part of the water containing bucket are disengaged, and the washing tub can make dewatering rotation. The utility model has the advantages of simple structure and reliable operation.
Description
The utility model relates to a kind of clutch transmission of washing and dehydration of washing machine.
Usually, automatic washing machine is under the washing state, the transmission of power of motor pulls for impeller or other driving, and washtub then is under the effective rotation condition, forms enough mechanical friction to guarantee to be pulled by impeller or other driving between the washings that drives and rotating and the washtub; Under dewatering state, should automatically terminate the constraint of washtub, the transmission of power of motor also passes to washtub when pulling for impeller or other driving, washtub is run up, to realize centrifugal dehydration.
Existing automatic washing machine adopts friction clutch or freewheel clutch to realize above-mentioned washing, the i.e. transmission of dehydration is switched, adopt one-way spiral to embrace spring and fastness brake and realize constraint, and realize above-mentioned automatic operation by cyclelog control calutron to washtub.There are the shortcoming of complex structure, cost height, easy to wear, poor reliability in this clutch and brake and other control.
The purpose of this utility model provides a kind of washing that utilizes the washing buoyancy of water to realize automatic washing machine automatically, i.e. the clutch transmission of constraint is switched and in washing process washtub is rotated automatically in the transmission of dehydration.
The purpose of this utility model is to adopt following scheme to realize:
Be provided with air chamber at the bottom of being sleeved on the washtub bucket in the steel ladle, so that in washings, produce buoyancy;
The assembling of the bucket end and the main shaft of washtub is that the slip cap load connects, so that washtub is freely floated and fall;
In washtub, impeller is equipped with in the upper end of main shaft, outer tooth gear is housed below the impeller, and a gap is arranged between the inner bottom surface of outer tooth gear and washtub, to guarantee the stroke that floats and fall of washtub.Outer tooth halogen wheel outside has and is meshed with it, and is fixed tightly in the inner teeth gear wheel on the inner bottom surface of following washtub.When washtub falls, the engagement of two halogen wheel, main shaft drives the washtub rotation by outer tooth gear and inner teeth gear wheel; When washtub floated, two were out of gear, and washtub does not change.This structure is referred to as down clutch.
Several projectioies, the recessed outer double wedge of periphery and periphery recessed tooth is outward arranged on the outer periphery of bung on the washtub.On the neighboring that turns edge in the last bung of steel ladle, have identical with bung outer periphery external tooth quantity on the washtub, and double wedge in corresponding with it recessed, protruding peripheral indent tooth and the periphery.When washtub floated, the engagement of the peripheral teeth of two bungs was swung in prescribed limit with the restriction washtub; When washtub fell, the peripheral teeth of two bungs was thrown off, and washtub is limited by peripheral teeth no longer.This structure is referred to as clutch.
The volume of washtub bucket spirit chamber should satisfy:
Volume=(buoyancy+washtub deadweight)/washings proportion.
Indent sector degree on the neighboring turn edge on the steel ladle in the bung greater than the evagination sector degree on the bung outer periphery on the washtub, and outer double wedge can freely radially slide in the indent tooth.
The utility model has the advantages that,, need not cyclelog and control specially because its clutch is switched and be realization automatically along with the variation of the buoyancy that variation produces of washings water level to the rotation condition of washtub.Thereby it is simple in structure, has saved members such as many springs, axle, bearing, connecting rod, has improved reliability and service life simultaneously.
Below in conjunction with accompanying drawing and example the utility model is further described.
Fig. 1 is an assembling schematic diagram of the present utility model.
Fig. 2 is that the P of Fig. 1 is to schematic diagram.
Fig. 3 is the local enlarged diagram of main shaft of the present utility model and washtub assembly structure.
Fig. 4 is that the B-B of Fig. 3 is to schematic diagram.
Fig. 5 is that A-A launches schematic diagram to the bung periphery engagement situation part of washtub and steel ladle among Fig. 1.
Left half side expression washtub (1) has dropped to the lower position among Fig. 1, and last clutch (15) is thrown off, and following clutch (10) is closed; Right half side expression washtub (1) is floating to upper limit position under the washing buoyancy of water, and last clutch (15) is closure, and following clutch (10) is thrown off.
The utility model is to utilize the washing buoyancy of water to realize washing in the automatic washing machine clutch transmission that switches and in washing process washtub is rotated constraint with the transmission of dehydration automatically.
As shown in Figure 1, 2, can be divided into clutch (15) and following clutch (10) on the structure collectivity of the present utility model.Last clutch (15) is the engagement and the disengagement part of the bung peripheral teeth (14,20 and 13,19) of washtub (1) and steel ladle (2); Following clutch (10) is inner teeth gear wheel (11) that is fixed tightly on washtub (11) inner bottom surface (5) and the engagement that is fixed tightly in the outer tooth gear (12) on the main shaft (7) and throws off part.The formation of this device is inseparable with the component structural of washing machine and assembly relation.
As shown in fig. 1, the bucket end that is sleeved on the washtub (1) in the steel ladle (2), be provided with air chamber (4), so that can produce buoyancy in washings, washtub (1) floated.The air chamber (4) at washtub (1) the bucket end should be enough big, satisfy the washings requirement that washtub (1) is gone up suffered buoyancy when " lowest water level line " in the steel ladle (2):
F=V·r-G
In the formula: F---buoyancy
V---air chamber volume
R---washings proportion
G---washtub deadweight
Therefore, the volume of the air chamber (4) at washtub (1) the bucket end should satisfy:
Volume=(buoyancy+washtub deadweight)/washings proportion
The assembling of the main shaft (7) that washtub (1) the bucket end is connected with the axle of the motor that is fastened on steel ladle (2) bottom, be that the slip cap load connects, washtub (1) can slide up and down on main shaft (7), so that washtub (1) floats, falls under the effect of washings buoyancy F.
There is a shaft shoulder (9) shaft part top at main shaft (7) and washtub (1) bucket end slip suit, the top of the shaft shoulder (9) and and the bottom that tightens up of impeller (3) between, the outer tooth gear (12) that tightens up of annular knurl is with it arranged.Outer tooth gear (12) outside has one to be meshed with it, and is fixed tightly in the box-like inner teeth gear wheel of " " shape back-off (11) on following washtub (1) inner bottom surface (5).Washtub (1) is when falling, shown in Fig. 1,3,4 left side, and two gears (11 and 12) engagement; Washtub (1) is when floating, and shown in Fig. 1,3,4 right side, two gears (11 and 12) are thrown off.
As shown in Fig. 1, Fig. 2 and Fig. 5, washtub (1) is gone up on the outer periphery of bung (16), and several projectioies, recessed periphery outer double wedge (14) and peripheral outer recessed tooth (20) are arranged.Present embodiment is 4 pairs.Steel ladle (2) is gone up on the neighboring that turns edge in the bung (17), has that to go up bung (16) outer periphery external tooth quantity identical with washtub (1), and corresponding with it recessed, protruding peripheral indent tooth (13) and peripheral interior double wedge (19).Washtub (1) is when floating, and the peripheral teeth of two bungs is mutually meshing; Washtub (1) is when falling, and the peripheral teeth of two bungs is thrown off.
Steel ladle (2) go up bung (17) in turn edge indent tooth (13) radian on the neighboring go up the radian of the outer double wedge (14) on the periphery of bung (16) outer greater than washtub (1).Evagination halogen (14) can freely radially slide in indent tooth (13), and present embodiment allows to be free to slide 45 °, that is washing machine is in washing process, and washtub (1) can freely swing in 45 ° of radians.As shown in Figure 2.
As shown in Figure 1, the indent tooth (13) on the neighboring that turns edge in the last bung (17) of steel ladle (2) is the upper limit position that washtub (1) floats.Washtub (1) drops to its outer bottom (8) and contacts with the inner bottom surface (6) of steel ladle (2), is the lower position that washtub (1) falls.Turning between seam (18) and the last bung (16) of washtub (1) when dropping to the lower position in the last bung (17) of steel ladle (2) has a gap S, is washtub (1) and floats the stroke that falls.
When washing machine was in the washing state, the control system that is made of cyclelog and water inlet and water level detecting device had guaranteed that steel ladle (2) washed water maintains on the water level of certain altitude.Washtub this moment (1) is under the effect of buoyancy F, upwards float to upper limit position, the outer double wedge of periphery (14) that is the last bung (16) of washtub (1) contacts with the peripheral indent tooth (13) that steel ladle (2) is gone up bung (17), and the following clutch (10) that is located between washtub (1) bottom and the main shaft (7) is thrown off.That is the inner teeth gear wheel (11) that is fixed tightly on washtub (1) inner bottom surface (5) is thrown off with the outer tooth gear (12) that is fixed tightly in main shaft (7) shaft shoulder (9) top.Shown in the right side among Fig. 1,3,4.And be located at last clutch (15) closure between washtub (1) and steel ladle (2) top.That is indent tooth and interior double wedge (13 and 19) engagement on the neighboring that turns edge in the outer double wedge on the periphery of last bung (16) outer of washtub (1) and outer recessed tooth (14 and 20) and the last bung (17) of steel ladle (2).The main shaft that is rotating (7) only drives impeller (3) rotation this moment, and washtub (1) can not obtain the moment of main shaft (7), does not rotate.Because the engagement of washtub (1) and steel ladle (2) two bung peripheral teeth, washtub (1) is subjected to the rotation condition that steel ladle (2) imposes on, and therefore, only swings in 45 ° of radians.When washing machine is in dewatering state, because the control system that cyclelog and draining and water level detecting device constitute has guaranteed no washings in the steel ladle (2), the buoyancy F that acts on washtub (1) disappears, and washtub (1) drops to the lower position under the effect of deadweight.This moment and washing opposite states, clutch (15) between washtub (1) and steel ladle (2) top is thrown off, the rotation condition releasing that washtub (1) is imposed on by steel ladle (2), and following clutch (10) closure between itself and the main shaft (7).That is upward bung (16) and the upward peripheral teeth disengagement of bung (17) of steel ladle (2) of washtub (1), and the outer tooth gear (12) of wheel of the inner teeth gear on washtub (1) inner bottom surface (5) (11) and main shaft (7) shaft shoulder (9) top meshes.Shown in the left side among Fig. 1,3,4.The washtub (1) of this moment becomes dehydration barrel, does the moving commentaries on classics of dehydration under the driving of main shaft (7).
Claims (2)
1, a kind of floatage-type automatic washing machine clutch transmission is characterized in that:
Washtub (1) the bucket end that is sleeved in the steel ladle (2), be provided with air chamber (4); The bucket end of washtub (1) and the assembling of main shaft (7) are that the slip cap load connects; In washtub (1), impeller (3) is equipped with in the upper end of main shaft (7), outer tooth gear (12) is housed below the impeller (3), between the inner bottom surface (5) of outer tooth gear (12) and washtub (1) gap is arranged, with the stroke that guarantees that washtub (1) floats and falls; Outer tooth gear (12) outside has and is meshed with it, and is fixed tightly in the inner teeth gear wheel (11) on following washtub (1) inner bottom surface (5); Washtub (1) is when falling, and two gears (11 and 12) mesh; Washtub (1) is when floating, and two gears (11 and 12) are thrown off;
Several projectioies, recessed periphery outer double wedge (14) and peripheral recessed tooth (20) are outward arranged on the outer periphery of the last bung (16) of washtub (1);
On the neighboring that turns edge in the last bung (17) of steel ladle (2), have identical with washtub (1) bung (16) outer periphery external tooth (14 and 20) quantity, and corresponding with it recessed, protruding peripheral indent tooth (13) and the interior double wedge (19) of periphery; Washtub (1) is when floating, and the peripheral teeth of washtub (1) and steel ladle (2) two bungs meshes; Washtub (1) is when falling, and the peripheral teeth of two bungs is thrown off.
2, by the described floatage-type automatic washing machine of claim 1 clutch transmission, it is characterized in that: indent tooth (13) radian on the neighboring that turns edge in the last bung (17) of steel ladle (2) is greater than evagination halogen (14) radian on the periphery of last bung (16) outer of washtub (1), and outer double wedge (14) can freely radially slide in recessed tooth (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96204465 CN2256898Y (en) | 1996-02-15 | 1996-02-15 | Buoyance type full-automatic washer clutch driving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96204465 CN2256898Y (en) | 1996-02-15 | 1996-02-15 | Buoyance type full-automatic washer clutch driving device |
Publications (1)
Publication Number | Publication Date |
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CN2256898Y true CN2256898Y (en) | 1997-06-25 |
Family
ID=33889696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 96204465 Expired - Fee Related CN2256898Y (en) | 1996-02-15 | 1996-02-15 | Buoyance type full-automatic washer clutch driving device |
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CN (1) | CN2256898Y (en) |
Cited By (16)
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CN101899760A (en) * | 2010-05-24 | 2010-12-01 | 海尔集团公司 | Treadle sports type impeller type washing machine |
CN101899759A (en) * | 2010-05-21 | 2010-12-01 | 海尔集团公司 | Pedal washing machine |
CN101962897A (en) * | 2010-09-19 | 2011-02-02 | 海尔集团公司 | Washing machine and transmission device for same |
CN102031666A (en) * | 2010-12-13 | 2011-04-27 | 海尔集团公司 | Water level monitoring method of washing machine and full-automatic washing machine |
CN102051788A (en) * | 2010-12-21 | 2011-05-11 | 海尔集团公司 | Small floating barrel type full-automatic washing machine control method |
CN102080321A (en) * | 2011-01-26 | 2011-06-01 | 海尔集团公司 | Multi-barrel washing machine capable of controlling number of washing barrels in operation |
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CN102359009A (en) * | 2011-11-01 | 2012-02-22 | 合肥荣事达洗衣设备制造有限公司 | Energy-saving buoyancy type clutch |
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1996
- 1996-02-15 CN CN 96204465 patent/CN2256898Y/en not_active Expired - Fee Related
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CN101899759B (en) * | 2010-05-21 | 2015-06-03 | 海尔集团公司 | Pedal washing machine |
CN101899760A (en) * | 2010-05-24 | 2010-12-01 | 海尔集团公司 | Treadle sports type impeller type washing machine |
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CN102296438A (en) * | 2010-06-28 | 2011-12-28 | 海尔集团公司 | Pedal-powered double-clutch impeller type washing machine |
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CN102337660B (en) * | 2010-07-23 | 2015-09-23 | 海尔集团公司 | A kind of sports washing machine with counterweight damping function |
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CN102031666A (en) * | 2010-12-13 | 2011-04-27 | 海尔集团公司 | Water level monitoring method of washing machine and full-automatic washing machine |
CN102051788B (en) * | 2010-12-21 | 2016-01-13 | 海尔集团公司 | A kind of small floating barrel type full-automatic washing machine control method |
CN102051788A (en) * | 2010-12-21 | 2011-05-11 | 海尔集团公司 | Small floating barrel type full-automatic washing machine control method |
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CN102134797B (en) * | 2011-02-21 | 2016-01-27 | 海尔集团公司 | A kind of detection method utilizing the time difference to judge interior bucket floating state |
CN102134797A (en) * | 2011-02-21 | 2011-07-27 | 海尔集团公司 | Detection method for determining floating state of inner barrel by using time difference |
CN102251373A (en) * | 2011-03-21 | 2011-11-23 | 海尔集团公司 | Protective structure of minitype buoyancy washing machine |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |