CN101962897A - Washing machine and transmission device for same - Google Patents
Washing machine and transmission device for same Download PDFInfo
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- CN101962897A CN101962897A CN2010102909472A CN201010290947A CN101962897A CN 101962897 A CN101962897 A CN 101962897A CN 2010102909472 A CN2010102909472 A CN 2010102909472A CN 201010290947 A CN201010290947 A CN 201010290947A CN 101962897 A CN101962897 A CN 101962897A
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- power transmission
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- washing machine
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- external splines
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Abstract
The invention relates to a washing machine and a transmission device for the same. The washing machine comprises a box body, an external barrel, an internal barrel, a wave wheel, a control system, an electric motor, a transmission shaft, a bearing seat and a bearing, wherein the upper end of the shaft of the electric motor is directly embedded into the lower end of the transmission shaft in an inserted connection mode so as to realize transmission; an external spline is fixed on the transmission shaft; an internal spline matched with the external spline is fixed at the bottom of the internal barrel; and during washing or dewatering, the internal spline and the external spline are separated and meshed respectively so as to realize washing and dewatering functions. By improving the washing machine and the transmission device, the washing machine and the transmission device have simple and compact structural designs, save cost, are convenient to produce, disassemble and assemble, and meet the personalized requirements of users.
Description
Technical field
The present invention relates to a kind of washing machine and power transmission apparatus of washing machines, specifically relate to a kind of motor shaft directly with drive the power transmission shaft that impeller rotates and be connected, and the engagement by spline and separating realizes washing and the washing machine and the transmission device of dehydrating function.
Background technology
Existing common automatic washing machine comprises washing, rinsing, dehydration procedure.Transmission system comprises motor, heat radiation belt pulley, V belt, belt pulley, speed-reducing clutch etc.When washing, the double reduction by belt and decelerator passes to impeller with motor power, drives the forward and reverse rotation of impeller, and interior bucket does not rotate, and carries out washing clothes; When dehydration, because the effect of clutch, impeller and interior bucket be high speed rotating in the same way, by centrifugal force clothes dewatering is dried.The motor of common automatic washing machine generally is that off-centre is installed in outer barrel bottom, carries out power transmission by belt, speed-reducing clutch between motor and the power transmission shaft.This kind structural requirement washing machine space is bigger, therefore, can't adopt on small-sized washing machine; And all inconveniences of dismounting are produced and keeped in repair to this kind structure component structural complexity, cost height, can not satisfy user's individual demand.
Summary of the invention
The present invention is based on above-mentioned defective of the prior art, for addressing the above problem, the present invention improves transmission device, and belt pulley transmission and gear reduction link in the middle of having saved are simplified arrangement of clutch, directly the structure that links to each other with power transmission shaft by motor shaft.
The objective of the invention is to, the simple compactness of the structural design of washing machine and transmission device, saving cost, easy accessibility are specially adapted to small-sized, mini washing machine.
In order to realize the object of the invention, the present invention adopts following technical scheme:
A kind of washing machine, comprise casing, outer bucket, interior bucket, impeller, control system, motor, the power transmission shaft of driving impeller, bearing block, bearing, direct and the chimeric grafting of power transmission shaft of motor shaft is fixed with external splines on the power transmission shaft, interior bucket bottom is fixed with the internal spline suitable with external splines.
The internal spline of bucket bottom is fixed as one by screw and interior bucket bottom screw post in described, and the aperture in the middle of the internal spline is greater than the power transmission shaft diameter, and interior bucket can slide up and down, when interior bucket floats, internal spline and external splines break away from, and when interior bucket fell, internal spline and external splines were connected with a joggle.
Rotate in the bearing of described power transmission shaft in bearing block, the power transmission shaft bottom is provided with locating ring, and back-up ring, the outside framework oil seal of described bearing block inside are installed in locating ring top successively.Further, described bearing comprises upper bearing (metal), lower bearing, scribbles lubricating grease between the metal (upper, is with copper backing on the described locating ring.
The both sides, upper end of described motor shaft are the plane, and the terminal central authorities of power transmission shaft offer the suitable mounting groove of plat part with the motor shaft upper end, and motor shaft is connected by the flat key mode with power transmission shaft.Further, the width range of power transmission shaft mounting groove is being not less than 4mm, highly is not less than 8mm.。
External splines on the described power transmission shaft is installed in the position that is higher than bearing block top, and external splines and power transmission shaft are fixed as one by screw or pin or flat key.
The invention still further relates to a kind of power transmission apparatus of washing machines, comprise power transmission shaft, back-up ring, outside framework oil seal that motor, bearing, bearing block, driving impeller rotate, motor shaft directly with between the power transmission shaft is connected by flat key mode or spline mode.
Further, the fixed-site that is higher than bearing block on power transmission shaft has external splines, also includes the internal spline suitable with external splines.
Rotate in the bearing of described power transmission shaft in bearing block, the power transmission shaft bottom is provided with locating ring, and back-up ring, the outside framework oil seal of described bearing block inside are installed in locating ring top successively.
By adopting above-mentioned technical scheme, the present invention realizes under the little situation in washing machine space, can realize washing, the fully-automatic washing program of rinsing, dehydration, simple and compact for structure, cost is low, produces and keep in repair convenient, satisfy user's individual demand, improved competitiveness of product.
Description of drawings
Fig. 1 is the Top view of the uncapping state of washing machine of the present invention;
Cutaway view when Fig. 2 is washing machine of the present invention washing state, interior external splines separates;
Cutaway view when Fig. 3 is a laundry machine dehydration state of the present invention, interior external splines connects;
Fig. 4 is power transmission apparatus of washing machines one embodiment of the present invention;
Fig. 5 cooperates the profile of an embodiment with motor shaft for power transmission shaft of the present invention.
Number in the figure: 1. casing, 2. outer bung, 3. gimbal, 4 outer buckets are at the bottom of 41 outer barrels, bucket in 5, in 51 barrel at the bottom of cavity, 52 screw erection columns, 6 impellers, the outer side elevation 7 impeller screws of 61 impellers, 8 oiliness bearings, 9 internal splines, 10 external splines, 11 power transmission shafts, 111 locating rings, 112 spline installing holes, 113 mounting grooves, 12 bearing blocks, 13 motors, 131 motor shafts, 14U type guard shield, 15 outside framework oil seals, 16 back-up rings, 17 copper backings, 181 upper bearing (metal)s, 182 lower bearings
The specific embodiment
Below in conjunction with accompanying drawing, the transmission device of washing machine provided by the invention and washing machine is elaborated.
Washing machine of the present invention as shown in Figure 1 to Figure 3.A kind of automatic washing machine comprises casing 1, outer bung 2, gimbal 3, outer bucket 4, impeller 5, transmission device, control system.Transmission device comprises motor 13, drives power transmission shaft 11, bearing block 12, the bearing 18 of impeller, and power transmission shaft 11 is installed in the dead eye, the direct and motor shaft chimeric grafting in upper end in power transmission shaft lower end, and the power transmission shaft upper end is fixed by impeller screw 7 and impeller.Be fixed with external splines 10 on the power transmission shaft, interior bucket bottom is fixed with the internal spline 9 suitable with external splines.Bearing block 12 was fixed together by the screw and the outer bucket end 41; transportation guard shield 14 is equipped with in the motor outside; transportation guard shield 14 is fixing with the outer bucket end 41 by screw, simultaneously motor is pressed on the bearing block, and transportation guard shield 14 also plays the effect of protection motor when washing machine transports.
In the internal spline 9 of bucket bottom be fixed as one by screw and interior bucket bottom screw erection column 52, the aperture in the middle of the internal spline is greater than the power transmission shaft diameter, interior barrel can slide up and down, when interior bucket floats, internal spline and external splines break away from, and when interior bucket fell, internal spline and external splines were connected with a joggle.
In the oiliness bearing 8 of bucket, its upper end was fastening by impeller screw 7 and impeller in power transmission shaft 11 tops were inserted into.Power transmission shaft 11 lower parts are inserted in the bearing 18 in the motor shaft bearing 12, its lower end has mounting groove 113, the width of power transmission shaft mounting groove 113 is not less than 4mm, highly be not less than 8mm, the power transmission shaft mounting groove matches with the flat key formula end of motor shaft 131, realize connecting transferring power, motor shaft directly drives power transmission shaft and rotates.Power transmission shaft 11 rotates in bearing 18, and bearing 18 comprises upper bearing (metal) 181, lower bearing 182, scribbles lubricating grease between the metal (upper, plays lubrication.
12 upside skids off for fear of power transmission shaft 11 from bearing block, the power transmission shaft bottom also is provided with locating ring 111, and the back-up ring 16 of bearing block inside is stuck in above the locating ring 111, and skeleton oil is installed in above the back-up ring 16 then, play the effect of seal shaft, prevent that washings from flowing on the motor from the slit of axle.Simultaneously, be with copper backing 17, reduce the friction of power transmission shaft and bearing, retaining figure at the upper and lower surface of locating ring 111.External splines on the power transmission shaft is installed in the position that is higher than bearing block top, and external splines and power transmission shaft are fixed as one by screw or pin or flat key.
Referring to shown in Figure 4, an embodiment of power transmission apparatus of washing machines of the present invention is shown.Power transmission apparatus of washing machines comprises power transmission shaft, back-up ring, outside framework oil seal that motor, bearing, bearing block, driving impeller rotate, and motor shaft directly with between the power transmission shaft is connected by flat key mode or spline mode.Further, the fixed-site that is higher than bearing block on power transmission shaft has external splines, also includes the internal spline suitable with external splines.Rotate in the bearing of described power transmission shaft in bearing block, the power transmission shaft bottom is provided with locating ring, and back-up ring, the outside framework oil seal of described bearing block inside are installed in locating ring top successively.
Referring to shown in Figure 5, the connected mode of motor shaft and power transmission shaft is shown.Flat key connected mode shown in this figure, promptly the plane is worn in both sides, motor shaft top, and similar flat key, power transmission shaft end have and the suitable mounting groove in motor shaft top.In like manner, the connected mode of motor shaft and power transmission shaft is not limited to this, such as spline connection etc.
Describe washing machine of the present invention and the transmission device structure when washing, dehydration below in detail.Washing machine of the present invention is when off working state, and the internal spline and the external splines on the power transmission shaft of interior bucket bottom mesh, as shown in Figure 3.
When washing machine in washing during state, as shown in Figure 2, be marked with washings in the inside and outside bucket, be placed with clothing (water, clothing not shown) in the interior bucket, interior bucket is under the water buoyancy, overcome clothing and the weight of self, interior bucket upwards floats, the internal spline 9 of interior bucket bottom and 10 disengagings of the external splines on the power transmission shaft, and the power of power transmission shaft 11 only passes to impeller, drive impeller rotating running, realize washing function;
When the washing machine washing finishes, enter into draining, dewatering state, along with the minimizing of water in the bucket, buoyancy of water reduces, in bucket because clothing and own wt and to lower slider, at this moment, the internal spline 9 of interior bucket bottom is connected with a joggle togather with the external splines 10 on the power transmission shaft, the power of power transmission shaft 11 not only passes to impeller, and by the connection of interior external splines, transmission of power is given interior bucket, and impeller and interior bucket are under the effect of power transmission shaft, rotation at a high speed realizes dehydrating function in the same way.
When washing function and dehydrating function conversion, the distance that interior bucket slides has certain scope.During dehydration, with the external splines engagement, at this moment, the upper end of barrel end cavity 51 did not prevent that the smallclothes clothing from draining under the impeller in the bottom of the outer side elevation 61 of impeller was not higher than during the lowest part of interior bucket whereabouts.During washing, interior bucket come-up, interior bucket end cavity 51 holds the outer side elevation 61 of impeller, and the outer side elevation least significant end of impeller has certain interval with interior bucket bottom surface, guarantees that impeller goes slick not have to draw a barrel phenomenon.
In sum, by adopting above-mentioned technical scheme, the present invention is under the little situation in washing machine space, and the realization washing dehydration is automatically changed, and this kind transmission structures is simply compact, and cost is low, and the manufacturing and maintenance dismounting are convenient.
Technology of the present invention is applicable to pulsator washing machine and agitator type washing machine, also applicable to the clothes washer-dryer of drying function.
Certainly, the present invention is not limited to above-mentioned giving an example, the technical scheme that it will be apparent to those skilled in the art that, under the situation that does not break away from the spirit or scope of the present invention, the present invention is made various modifications and changes in claim of the present invention and be equal in the scope of replacement, and then such modification and change are contained in the present invention.
Claims (10)
1. washing machine, the power transmission shaft, bearing block, the bearing that comprise casing, outer bucket, interior bucket, impeller, control system, motor, the running of driving impeller, it is characterized in that, direct and the chimeric grafting of power transmission shaft of motor shaft, be fixed with external splines on the power transmission shaft, interior bucket bottom is fixed with the internal spline suitable with external splines.
2. washing machine according to claim 1, it is characterized in that, the internal spline of bucket bottom is fixed as one by screw and interior bucket bottom screw erection column in described, aperture in the middle of the internal spline is greater than the power transmission shaft diameter, interior bucket can slide up and down, and when interior bucket floated, internal spline and external splines broke away from, when interior bucket fell, internal spline and external splines were connected with a joggle.
3. washing machine according to claim 1 and 2 is characterized in that, rotates in the bearing of described power transmission shaft in bearing block, and the power transmission shaft bottom is provided with locating ring, and the back-up ring of described bearing block inside, outside framework oil seal are installed in the locating ring top successively.
4. washing machine according to claim 3 is characterized in that described bearing comprises upper bearing (metal), lower bearing, scribbles lubricating grease between the metal (upper, is with copper backing on the described locating ring.
5. washing machine according to claim 1 is characterized in that, the both sides, upper end of motor shaft are the plane, and power transmission shaft terminal part central authorities offer and the suitable mounting groove of motor shaft upper end plat part, and motor shaft is connected by the flat key mode with power transmission shaft.
6. washing machine according to claim 5 is characterized in that the width of power transmission shaft mounting groove is not less than 4mm, highly is not less than 8mm.
7. washing machine according to claim 1 is characterized in that, the external splines on the described power transmission shaft is installed in the position of bearing block top, and external splines and power transmission shaft are fixed as one by screw or pin or flat key.
8. a power transmission apparatus of washing machines comprises power transmission shaft, back-up ring, outside framework oil seal that motor, bearing, bearing block, driving impeller rotate, it is characterized in that motor shaft directly with between the power transmission shaft is connected by flat key mode or spline mode.
9. power transmission apparatus of washing machines according to claim 8 is characterized in that the fixed-site that is higher than bearing block on described power transmission shaft has external splines, also includes the internal spline suitable with external splines.
10. according to Claim 8 or 9 described power transmission apparatus of washing machines, it is characterized in that rotate in the bearing of described power transmission shaft in bearing block, the power transmission shaft bottom is provided with locating ring, back-up ring, the outside framework oil seal of described bearing block inside are installed in locating ring top successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010290947.2A CN101962897B (en) | 2010-09-19 | 2010-09-19 | Washing machine and power transmission apparatus of washing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010290947.2A CN101962897B (en) | 2010-09-19 | 2010-09-19 | Washing machine and power transmission apparatus of washing machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101962897A true CN101962897A (en) | 2011-02-02 |
| CN101962897B CN101962897B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010290947.2A Active CN101962897B (en) | 2010-09-19 | 2010-09-19 | Washing machine and power transmission apparatus of washing machines |
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| CN (1) | CN101962897B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134800A (en) * | 2011-03-04 | 2011-07-27 | 海尔集团公司 | Fixation-free connection way of motor of small washing machine |
| CN102140751A (en) * | 2011-03-04 | 2011-08-03 | 海尔集团公司 | Small buoyancy-type washing machine |
| CN102140752A (en) * | 2011-03-04 | 2011-08-03 | 海尔集团公司 | Fixed structure of small/micro washing machine motor |
| CN102251373A (en) * | 2011-03-21 | 2011-11-23 | 海尔集团公司 | Protective structure of minitype buoyancy washing machine |
| CN104342881A (en) * | 2013-08-09 | 2015-02-11 | 三星电子株式会社 | Washing machine |
| CN104565018A (en) * | 2013-10-21 | 2015-04-29 | 海尔集团公司 | Clothes dryer supporting wheel and clothes dryer |
| CN105506913A (en) * | 2016-01-15 | 2016-04-20 | 李凯 | Dewatering-type mini washer |
| CN102444002B (en) * | 2011-09-21 | 2016-08-03 | 青岛海尔洗衣机有限公司 | Small-sized ozone washing machine and control method thereof |
| CN114990854A (en) * | 2022-07-08 | 2022-09-02 | 无锡市金澜机械有限公司 | Bearing seat for washing machine |
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| CN1637196A (en) * | 2003-12-30 | 2005-07-13 | Lg电子株式会社 | Driving unit of top loading drum type washing machine |
| CN201053076Y (en) * | 2007-06-21 | 2008-04-30 | 潘雪珍 | Three-output deceleration clutch for impeller type washing machine |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134800B (en) * | 2011-03-04 | 2016-07-13 | 青岛海尔洗衣机有限公司 | A kind of nothing fixing connected mode of small washing machine motor |
| CN102140751B (en) * | 2011-03-04 | 2016-01-13 | 海尔集团公司 | A kind of small buoyancy-type washing machine |
| CN102140752A (en) * | 2011-03-04 | 2011-08-03 | 海尔集团公司 | Fixed structure of small/micro washing machine motor |
| CN102134800A (en) * | 2011-03-04 | 2011-07-27 | 海尔集团公司 | Fixation-free connection way of motor of small washing machine |
| CN102140751A (en) * | 2011-03-04 | 2011-08-03 | 海尔集团公司 | Small buoyancy-type washing machine |
| CN102140752B (en) * | 2011-03-04 | 2016-06-01 | 海尔集团公司 | A kind of fixed structure of small/micro washing machine motor |
| CN102251373A (en) * | 2011-03-21 | 2011-11-23 | 海尔集团公司 | Protective structure of minitype buoyancy washing machine |
| CN102251373B (en) * | 2011-03-21 | 2016-08-03 | 青岛海尔洗衣机有限公司 | A kind of protection structure of minitype buoyancy washing machine |
| CN102444002B (en) * | 2011-09-21 | 2016-08-03 | 青岛海尔洗衣机有限公司 | Small-sized ozone washing machine and control method thereof |
| CN104342881A (en) * | 2013-08-09 | 2015-02-11 | 三星电子株式会社 | Washing machine |
| CN104565018A (en) * | 2013-10-21 | 2015-04-29 | 海尔集团公司 | Clothes dryer supporting wheel and clothes dryer |
| CN105506913A (en) * | 2016-01-15 | 2016-04-20 | 李凯 | Dewatering-type mini washer |
| CN105506913B (en) * | 2016-01-15 | 2018-01-23 | 李凯 | The mini washer of Dewaterring |
| CN114990854A (en) * | 2022-07-08 | 2022-09-02 | 无锡市金澜机械有限公司 | Bearing seat for washing machine |
| CN114990854B (en) * | 2022-07-08 | 2023-08-01 | 无锡市金澜机械有限公司 | Bearing pedestal for washing machine |
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| CN101962897B (en) | 2016-01-13 |
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Effective date of registration: 20160629 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: haier group corporation Patentee before: Qingdao Haier Washing Machine Co., Ltd. |