CN100398730C - Lubricant feeding structure for ball bearing of fully automatic washing machine - Google Patents
Lubricant feeding structure for ball bearing of fully automatic washing machine Download PDFInfo
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- CN100398730C CN100398730C CNB021238391A CN02123839A CN100398730C CN 100398730 C CN100398730 C CN 100398730C CN B021238391 A CNB021238391 A CN B021238391A CN 02123839 A CN02123839 A CN 02123839A CN 100398730 C CN100398730 C CN 100398730C
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- ball bearing
- washing machine
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Abstract
The present invention relates to a full automatic washing machine which comprises structures of a washing shaft, a dewatering shaft, a movable connector and a ball bearing, wherein the washing shaft rotates after the washing shaft obtains power of a driving source, and the dewatering shaft and the washing shaft are concentric; the movable connector is made of magnetic materials in order to cause the washing shaft to rotate separately, or to cause the washing shaft and the dewatering shaft to rotate simultaneously and to transfer driving power of the driving source, and the movable connector obtains restoring force to a direction that the washing shaft and the dewatering shaft rotate simultaneously by the support of an elastic part; the ball bearing is arranged between the washing shaft and the dewatering shaft to support the washing shaft. The present invention provides an oil supply structure of the ball bearing of a washing machine clutch for the full-automatic washing machine, which is arranged on the upper part of the ball bearing. In this way, when the washing shaft rotates, the present invention can continuously supply oil to the ball bearing, prevent noise which is generated by the abrasion of the ball bearing, and keep supporting force to the washing shaft for a long time.
Description
Technical field
The present invention relates to a kind of automatic washing machine, relate in particular to a kind of agitator and carry out washing, rinsing stroke, carry out the ball bearing oil supply structure of the full auto washing machine clutch of dehydration stroke by the drench pit of rotation at a high speed by low speed rotation.
Background technology
General washing machine utilizes the effect that rubs up of washing agent, washing fin to rotate the rubbing action of the current that produced and the percussion that agitator appends to washings, removes attached to the polluter on clothes, the bed clothes.Above-mentioned washing machine is by the amount and the kind of sensor senses washings, and the automatic setting washing methods washs; Perhaps according to the amount and the kind of washings, washings are fed to suitable water level after, wash by the control of computer.
In addition, the automatic washing machine of prior art has following type of drive: by dynamic conveyor belt (BELT) and pulley (PULLEY), send the rotary power of drive motors to wash shaft, agitator is rotated, and send rotary power to dehydrating shaft, the mode that drench pit is rotated; Also have a kind of type of drive to be in addition:, to be rotated with different speed when making drench pit carry out washing stroke with the dehydration stroke by the speed of brushless direct-current (BLDC) motor is controlled.
In addition, automatic washing machine has following washing arrangement: utilize brshless DC motor, but the path difference that power transmits, that is to say, when washing, agitator by low speed rotation is carried out washing stroke, simultaneously agitator and drench pit is rotated at a high speed when dewatering, thereby carries out the dehydration stroke.
The applicant has applied for utilizing the automatic washing machine of brshless DC motor, but the clutch apparatus that the power transmission path in washing and when dehydration is carried out different controls, and korean application number has at length been published said structure in the application of 10-2001-16556.
Below, said structure and effect are carried out simple explanation.
Fig. 1 demonstrates in the prior art, the critical piece profilograph of clutch apparatus.
As shown in Figure 1, aqua storage tank (do not have in the accompanying drawing show) is arranged on the inside of washing machine body, is fixed with bearing shell 30 below the above-mentioned aqua storage tank, and above-mentioned bearing shell 30 is provided with bearing 32, and above-mentioned bearing 32 supports dehydrating shafts 70.
The bottom of above-mentioned bearing shell 30 is provided with stator 40, and stator 40 constitutes the drive source that drives washing machine, is wound with stator coil 42 on its periphery.
At this moment, be provided with rotor 50 accordingly with said stator 40.Above-mentioned rotor 50 and above-mentioned wash shaft 60 combine, and above-mentioned rotor 50 interacts by the electro permanent magnetic with said stator 40, is rotated.
On the one hand, above-mentioned rotor 50 is provided with rotor yoke (YOKE) 52, and above-mentioned rotor yoke 52 is provided with the magnet 53 that keeps a determining deviation with said stator 40.In order to form magnetic flux path, above-mentioned rotor yoke 52 is formed by metal material.
The central authorities of above-mentioned rotor yoke 52 are provided with rotor axle sleeve 56, and above-mentioned rotor axle sleeve 56 forms as one by plug-in module (INSERT MOULD) and driving mouth 58.Above-mentioned rotor axle sleeve 56 plays insulating effect between above-mentioned rotor yoke 52 and wash shaft 60.
In order to link above-mentioned rotor axle sleeve 56 and above-mentioned rotor yoke 52, in the installing hole 54 on above-mentioned rotor yoke 52, be provided with a plurality of installation projectioies 560.And above-mentioned installation projection 560 connects to be inserted in the installing hole 54 that is formed on the above-mentioned rotor yoke 52.Under above-mentioned state, fix by 57 pairs of above-mentioned rotor yokes 52 of fixed screw and rotor axle sleeve 56.
The upper end outer peripheral face of the above-mentioned driving mouth 58 that forms as one by plug-in module and above-mentioned rotor axle sleeve 56 is provided with zigzag projection 580, above-mentioned zigzag projection 580 and movable connector 80 engagements, thus transmit power to rotor 50.And above-mentioned zigzag projection 580 is not formed into the top of the upper end of above-mentioned driving mouth 58, and there is the part that does not form above-mentioned zigzag projection in the top, upper end of above-mentioned driving mouth 58.Above-mentioned for convenience's sake interval is called anodontia interval.
In addition, the inner peripheral surface of above-mentioned driving mouth 58 is provided with zigzag projection 590, and above-mentioned zigzag projection 590 and the zigzag projection 620 that is arranged on above-mentioned wash shaft 60 outer peripheral faces mesh, thereby send the power of above-mentioned rotor 50 to above-mentioned wash shaft 60.Insert engagement between the above-mentioned zigzag projection 590 be supported on above-mentioned wash shaft 60 lower ends and the zigzag projection 620 by the central authorities that connect above-mentioned driving mouth 58, thereby transmit power.
In addition, the center that above-mentioned wash shaft 60 connects above-mentioned dehydrating shaft 70 forms to the inside of above-mentioned sink (not showing in the accompanying drawing) protrusion, and the front end of above-mentioned sink 60 possesses the washing fin is arranged.In addition, the above-mentioned wash shaft 60 of above-mentioned dehydrating shaft 70 and perforation dehydrating shaft 70 is concentric.Above-mentioned dehydrating shaft 70 and sink are connected, and above-mentioned sink is rotated.The upper end adjacency of the lower end of above-mentioned dehydrating shaft 70 and above-mentioned driving mouth 58, the lower end of above-mentioned dehydrating shaft 70 is provided with zigzag projection 720.
In addition, be provided with the movable connector 80 that the driving force of above-mentioned rotor 50 is transmitted to above-mentioned dehydrating shaft 70 selectively along with the moving of the zigzag projection 580 of the zigzag of above-mentioned dehydrating shaft 70 projection 720 and above-mentioned driving mouth 58.Above-mentioned movable connector 80 integral body constitute with drum, because by the above-mentioned bearing 32 of spring 800 resiliency supported, so above-mentioned movable connector 80 is supported along the zigzag projection 720 intermeshing directions of the zigzag projection 580 of above-mentioned driving mouth 58 and dehydrating shaft 70.
On the one hand, above-mentioned bearing shell 30 below be provided with drive unit: solenoid coil 90.Above-mentioned solenoid coil 90 is used to drive above-mentioned movable connector 80.If apply power supply to above-mentioned solenoid coil 90, the elastic force that then above-mentioned movable connector 80 overcomes above-mentioned spring 800 moves to top, removes above-mentioned movable connector 80 and above-mentioned driving mouth 58 engagement each other.
The upper end of above-mentioned solenoid coil 90 possesses the first yoke shape plate (YOKE PLATE) 92 is arranged, and the lower end of above-mentioned solenoid coil 90 possesses the second yoke shape plate 94 is arranged.On the one hand, be provided with jog 95 below the above-mentioned second yoke shape plate 94, above-mentioned jog 95 and the jog that is formed on the fixed flange 82 of above-mentioned movable connector 80 are fixed.
And the inboard, bottom of above-mentioned dehydrating shaft 70 is provided with ball bearing 20, and the effect of above-mentioned ball bearing 20 is: when above-mentioned wash shaft 60 is rotated, support the bottom of above-mentioned wash shaft.
But the prior art with said structure has following shortcoming:
When above-mentioned wash shaft is rotated, can not be constantly to above-mentioned ball bearing 20 fuel feeding.
So, when above-mentioned wash shaft is rotated, when causing the situation of leakage of oil, not only cause above-mentioned ball bearing 20 to produce noises, and the wearing and tearing that continue can cause the problem that the support force to wash shaft reduces because of the heat that friction produced of above-mentioned ball bearing 20.
Summary of the invention
In order to solve the problem that prior art exists, the invention provides the ball bearing oil supply structure of full auto washing machine clutch: when wash shaft is rotated with following effect, by constantly to the ball bearing fuel feeding, prevent noise, and can keep support force for a long time wash shaft because of the wearing and tearing generation of ball bearing.
In order to reach purpose of the present invention, a kind of automatic washing machine is provided, include following structure: wash shaft, dehydrating shaft, movable connector, drive unit and ball bearing; The power that above-mentioned wash shaft obtains drive source is rotated; The above-mentioned wash shaft of above-mentioned dehydrating shaft and perforation dehydrating shaft inside is concentric, and above-mentioned dehydrating shaft obtains drive source drives power selectively and is rotated; The above-mentioned movable connector that is made of the magnetic material is rotated separately in order to make above-mentioned wash shaft, above-mentioned wash shaft and dehydrating shaft are rotated simultaneously and transmit drive source drives power, and by the support of elastomeric element, the direction that is rotated simultaneously towards above-mentioned wash shaft and dehydrating shaft obtains restoring force; By applying power supply, along with above-mentioned movable connector rises along above-mentioned dehydrating shaft, above-mentioned drive unit only sends drive source drives power to above-mentioned wash shaft; Above-mentioned ball bearing is arranged between above-mentioned wash shaft and the dehydrating shaft, supports above-mentioned wash shaft; Being characterized as of the ball bearing oil supply structure of this full auto washing machine clutch provided by the invention: the fuel feeding bearing is arranged on the top of above-mentioned ball bearing.
Description of drawings
Fig. 1 demonstrates the critical piece profilograph of prior art clutch apparatus;
Fig. 2 demonstrates the critical piece profilograph of full auto washing machine clutch device of the present invention;
Fig. 3 is the enlarged drawing of the critical piece of Fig. 2, demonstrates the structure chart of removing solenoid coil and movable connector.
The critical piece description of drawings
10: fuel feeding bearing (oilles bearing) 20: ball bearing (ball bearing)
60: wash shaft 70: dehydrating shaft
The specific embodiment
With reference to the accompanying drawings 2 and Fig. 3, one embodiment of the present of invention are elaborated.
Structure Reference numeral illustrated in the Reference numeral of critical piece of the present invention and the prior art is identical, is omitted for above-mentioned explanation.
Fig. 2 demonstrates the critical piece profilograph of full auto washing machine clutch device of the present invention, and Fig. 3 is the critical piece expanded view of Fig. 2, demonstrates the state diagram of removing solenoid coil 90 and movable connector 80.
As shown in the figure, automatic washing machine includes following structure: wash shaft 60, dehydrating shaft 70, movable connector 80, drive unit and ball bearing 20.Above-mentioned wash shaft 60 obtains the power of drive source, thereby is rotated; The above-mentioned wash shaft 60 of above-mentioned dehydrating shaft 70 and perforation dehydrating shaft 70 inside is concentric, and above-mentioned dehydrating shaft 70 obtains drive source drives power selectively and is rotated; The above-mentioned movable connector 80 that is made of the magnetic material is rotated separately in order to make above-mentioned wash shaft 60, above-mentioned wash shaft 60 and dehydrating shaft 70 are rotated simultaneously and transmit drive source drives power, and by the support of elastomeric element, the direction that is rotated simultaneously towards above-mentioned wash shaft 60 and dehydrating shaft 70 obtains restoring force; By applying power supply, along with above-mentioned movable connector 80 rises along above-mentioned dehydrating shaft 70, above-mentioned drive unit only sends drive source drives power to above-mentioned wash shaft 60; Above-mentioned ball bearing 20 is arranged between above-mentioned wash shaft 60 and the dehydrating shaft 70, supports above-mentioned wash shaft 60.For above-mentioned automatic washing machine, in the ball bearing oil supply structure of full auto washing machine clutch of the present invention, fuel feeding bearing 10 is arranged on the top of above-mentioned ball bearing 20, constantly to above-mentioned ball bearing 20 fuel feeding.
At this moment, the above-mentioned fuel feeding bearing 10 that is arranged on above-mentioned ball bearing 20 tops is cylindric or ring-type, for the top at above-mentioned ball bearing 20 is provided with above-mentioned fuel feeding bearing 10, prolongs the formation ball bearing in above-mentioned dehydrating shaft 70 inboards to top groove 200 is set.
On the one hand, above-mentioned solenoid coil 90 is applicable to as the drive unit that drives above-mentioned movable connector 80.
Below, the effect of the ball bearing oil supply structure of full auto washing machine clutch of the present invention with said structure is elaborated.
In prior art, owing to when above-mentioned wash shaft 60 is rotated, can not form constantly to above-mentioned ball bearing 20 fuel feeding, so when above-mentioned wash shaft 60 is rotated, the situation that can cause leakage of oil because of the fricative heat of above-mentioned ball bearing 20, and cause above-mentioned ball bearing 20 to produce wearing and tearing and noise, above-mentioned phenomenon continues to produce wearing and tearing, when reaching serious situation, can cause the phenomenon to the support force reduction of above-mentioned wash shaft 60.
But, in the present invention, because the machine oil that flows out to the bottom from the above-mentioned fuel feeding bearing 10 that is arranged on above-mentioned ball bearing 20 tops can lubricate above-mentioned ball bearing 20 all the time fully, so prevented the wearing and tearing of above-mentioned ball bearing 20.So, prevented the generation of noise.
That is to say, in the present invention, in order to support wash shaft 60, inboard formation is provided with groove 200 in above-mentioned dehydrating shaft 70 bottoms, be pressed into above-mentioned fuel feeding bearing 10 on the top of above-mentioned ball bearing 20,, leakage of oils taken place because of the fricative thermal conductance of above-mentioned ball bearing 20 causes ball bearing 20 even when above-mentioned wash shaft 60 is rotated, but, can obtain the machine oil of supplying constantly from the above-mentioned fuel feeding bearing 10 that is arranged on top.
So, by machine oil, not only can prevent noise, but also can keep support force for a long time above-mentioned wash shaft 60 because of the wearing and tearing generation of above-mentioned ball bearing 20 from above-mentioned fuel feeding bearing supply.
The ball bearing oil supply structure of full auto washing machine clutch provided by the invention can bring following effect:
In the present invention, because the top at the ball bearing that supports above-mentioned wash shaft is provided with the fuel feeding bearing, when above-mentioned wash shaft is rotated, can be constantly to above-mentioned ball bearing fuel feeding, so not only prevented noise, but also can keep support force for a long time to above-mentioned wash shaft because of the wearing and tearing generation of above-mentioned ball bearing.
Claims (2)
1. an automatic washing machine includes following structure: wash shaft, dehydrating shaft, movable connector, drive unit and ball bearing; Above-mentioned wash shaft obtains the power of drive source, thereby is rotated; The above-mentioned wash shaft of above-mentioned dehydrating shaft and perforation dehydrating shaft inside is concentric, and above-mentioned dehydrating shaft obtains drive source drives power selectively and is rotated; The above-mentioned movable connector that is made of the magnetic material is rotated separately in order to make above-mentioned wash shaft, above-mentioned wash shaft and dehydrating shaft are rotated simultaneously and transmit drive source drives power, and by the support of elastomeric element, the direction that is rotated simultaneously towards above-mentioned wash shaft and dehydrating shaft obtains restoring force; By applying power supply, along with above-mentioned movable connector rises along above-mentioned dehydrating shaft, above-mentioned drive unit only sends drive source drives power to above-mentioned wash shaft; Above-mentioned ball bearing is arranged between above-mentioned wash shaft and the dehydrating shaft, supports above-mentioned wash shaft; The ball bearing oil supply structure of above-mentioned full auto washing machine clutch is characterized in that: the fuel feeding bearing is arranged on the top of above-mentioned ball bearing.
2. the ball bearing oil supply structure of full auto washing machine clutch according to claim 1, it is characterized in that: above-mentioned fuel feeding bearing is cylindric or annular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021238391A CN100398730C (en) | 2002-07-05 | 2002-07-05 | Lubricant feeding structure for ball bearing of fully automatic washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021238391A CN100398730C (en) | 2002-07-05 | 2002-07-05 | Lubricant feeding structure for ball bearing of fully automatic washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1465789A CN1465789A (en) | 2004-01-07 |
| CN100398730C true CN100398730C (en) | 2008-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021238391A Expired - Fee Related CN100398730C (en) | 2002-07-05 | 2002-07-05 | Lubricant feeding structure for ball bearing of fully automatic washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100398730C (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59106850A (en) * | 1982-12-09 | 1984-06-20 | Toshiba Corp | Poney motor apparatus |
| CN1243177A (en) * | 1998-07-27 | 2000-02-02 | 三星电子株式会社 | Power driving apparatus of washing machine |
-
2002
- 2002-07-05 CN CNB021238391A patent/CN100398730C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59106850A (en) * | 1982-12-09 | 1984-06-20 | Toshiba Corp | Poney motor apparatus |
| CN1243177A (en) * | 1998-07-27 | 2000-02-02 | 三星电子株式会社 | Power driving apparatus of washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1465789A (en) | 2004-01-07 |
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Granted publication date: 20080702 Termination date: 20110705 |