CN202830551U - Washing machine driver - Google Patents
Washing machine driver Download PDFInfo
- Publication number
- CN202830551U CN202830551U CN 201220387572 CN201220387572U CN202830551U CN 202830551 U CN202830551 U CN 202830551U CN 201220387572 CN201220387572 CN 201220387572 CN 201220387572 U CN201220387572 U CN 201220387572U CN 202830551 U CN202830551 U CN 202830551U
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- gear
- washing machine
- clutch
- machine driver
- output
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Abstract
The utility model discloses a washing machine driver, which comprises a motor, a washing shaft, a dehydrating shaft sleeve mounted on the washing shaft in a sleeving manner, and a gear speed reducing mechanism, wherein the washing shaft is coaxially arranged in the centers of a motor rotor and a stator of the motor and fixedly connected with an output gear of the gear speed reducing mechanism; and an input gear shaft of the gear speed reducing mechanism is inserted into a tray at the bottom of the motor rotor. The input gear shaft of the gear speed reducing mechanism is inserted into the tray at the bottom of the motor rotor, the tray connected with the motor rotor is used as a gear carrier of the gear speed reducing mechanism, and the gear speed reducing mechanism and the motor are effectively integrated, so that the axial size of the washing machine driver is reduced, and the washing machine driver is simple and compact in structure and occupies small space. Moreover, because the transmission ratio range of the gear speed reducing mechanism is large, large transmission ratio output can be realized.
Description
Technical field
The utility model relates to the Drive technology field, particularly relates to a kind of washing machine driver.
Background technology
Washing machine is household electrical appliance commonly used in the daily life, and its groundwork state can be divided into washing operating mode and dehydration condition.
The conventional driver element of existing washing machine mainly is comprised of motor and reduction clutch, and the common electric machine rotating speed is higher, and for obtaining suitable washing rotating speed, motor is delivered to speed-reducing clutch by the one-level pulley decelerates.Reduction clutch commonly used mainly contains single-stage planetary deceleration transmission clutch mechanism, belt pulley type retarded motion clutch mechanism or motor-direct-drive type transmission clutch mechanism at present.But large speed ratio deceleration output can not be accomplished by single-stage planetary speed-reducing clutch mechanism, and detersive efficiency reduces, will be very high to the requirement of motor, increase cost; Export if adopt multistage planet to slow down, not only can increase cost and also can make mechanism's complicated, not compact, unstable; The cost of belt pulley type deceleration transmission clutch is high, and belt transmission is than inaccurate, and the life-span of belt is low, also can reduce detersive efficiency.In addition, the axial dimension of the driver that said motor and reduction clutch form is larger, and structure is not compact.
Also has a kind of speed-reducing clutch in the prior art, original common electric machine is changed into direct driving by Indirect driven, but this drive motors mostly is dc brushless motor, for the functions such as controller rotation need control module, the cost of this control module is higher, and the axial dimension of this kind driver is larger, is not suitable for long term growth.
Therefore, how designing that a kind of axial dimension is little, compact conformation, take up room the washing machine driver little, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of washing machine driver, the axial dimension of this washing machine driver is little, compact conformation, take up room little.
For solving the problems of the technologies described above, the utility model provides a kind of washing machine driver, comprise motor, wash shaft, be sleeved on dehydration axle sleeve and gear reduction on the described wash shaft, described wash shaft is coaxially installed on the center of rotor and the stator of described motor, and affixed with the output gear of described gear reduction, the input gear axle of described gear reduction is connected with the pallet of described rotor bottom.
Preferably, described gear reduction comprises the first gear, the second gear, idler gear and output gear; Described the first gear and described the second gear are packed in the two ends of described input gear axle, described the first gear and the engagement of described idler gear, described the second gear and the engagement of described output gear; Described idler gear is sleeved on described dehydrating shaft and puts, and described output gear and described wash shaft are affixed.
Preferably, described gear reduction comprises duplicate gear, idler gear and output gear; Described duplicate gear is sleeved on the described input gear axle, described idler gear and described output gear respectively with the first order gear of described duplicate gear and the engagement of second level gear; Described idler gear is sleeved on described dehydrating shaft and puts, and described output gear and described wash shaft are affixed.
Preferably, described idler gear is external gear or ring gear.
Preferably, described output gear is external gear or ring gear.
Preferably, described driver further comprises arrangement of clutch, and described arrangement of clutch is arranged between described dehydration axle sleeve and the described rotor bottom tray, in order to realize the conversion of washing operating mode and dehydration condition.
Preferably, described arrangement of clutch is socketed in described dehydrating shaft and puts.
Preferably, during the washing operating mode, described arrangement of clutch is unfixing; During dehydration condition, described arrangement of clutch and the engagement of described rotor bottom tray.
Preferably, described arrangement of clutch is electromagnetic clutch device or mechanical clutch means.
Relative above-mentioned background technology, the driver of rotary drum washing machine provided by the utility model comprises motor, wash shaft, is sleeved on dehydration axle sleeve and gear reduction on the described wash shaft, described wash shaft is coaxially installed on the center of the rotor of described motor and stator and affixed with the output gear of described gear reduction, and the input gear axle of described gear reduction is connected in the pallet of described rotor bottom.Because the input gear axle of gear reduction is inserted on the rotor bottom tray, make the pallet of rotor connection as the tooth rest of gear reduction, effectively gear reduction and motor are become one, thereby reduced the axial dimension of washing machine driver, so that this washing machine driver is simple and compact for structure, take up room little.In addition, because the gear range of gear reduction is large, can realize big retarding specific output.
Description of drawings
Fig. 1 provides the front view of a kind of specific embodiment of washing machine driver for the utility model;
Fig. 2 provides the transmission schematic diagram of washing machine driver the first specific embodiment for the utility model;
Fig. 3 provides the transmission schematic diagram of washing machine driver the second specific embodiment for the utility model;
Fig. 4 provides the transmission schematic diagram of the third specific embodiment of washing machine driver for the utility model;
Fig. 5 provides the transmission schematic diagram of the 4th kind of specific embodiment of washing machine driver for the utility model;
Fig. 6 provides the transmission schematic diagram of the 5th kind of specific embodiment of washing machine driver for the utility model;
Fig. 7 provides the transmission schematic diagram of the 6th kind of specific embodiment of washing machine driver for the utility model;
Fig. 8 provides the transmission schematic diagram of the 7th kind of specific embodiment of washing machine driver for the utility model.
The specific embodiment
Core of the present utility model provides a kind of washing machine driver, the axial dimension of this washing machine driver is little, compact conformation, take up room little.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
It is pointed out that it is to be arranged in figure and parts position each other defines with parts among Fig. 1 to Fig. 8 that relate to upper and lower waited the noun of locality herein, just in order to explain the clear of technical scheme and conveniently.Should be appreciated that the noun of locality that this paper adopts should not limit the scope that present specification is asked for protection.
Fig. 1 provides the front view of a kind of specific embodiment of washing machine driver for the utility model, Fig. 2 to Fig. 8 is the transmission schematic diagram of different embodiments.
In a kind of specific embodiment, washing machine driver provided by the utility model comprises motor; Described motor comprises motor casing 21, rotor 23 and motor stator 22, and rotor 23 is arranged in the motor casing 21, and motor stator 22 concentrics are arranged in the rotor 23, and rotor 23 upper bottom portion are provided with a pallet; Be respectively arranged with upper end cover 24 and bottom end cover 25 in the above and below of motor; Can motor casing 21, motor stator 22, upper end cover 24 and bottom end cover 25 be fixedly connected with by bolt.
The wash shaft 51 of washing machine is coaxially installed on 22 centers of rotor 23 and stator, be provided with oiliness bearing between wash shaft 51 and the rotor bottom tray 231, and realize relatively rotating between wash shaft 51 and the rotor pallet 231 by oiliness bearing.
The dehydration axle sleeve 52 of washing machine is sleeved on the wash shaft 51, is provided with the wash shaft oiliness bearing between dehydration axle sleeve 52 and the described wash shaft 51, and dehydration axle sleeve 52 and wash shaft 51 can be relatively rotated.
Described washing machine driver also comprises gear reduction, and described gear reduction comprises input gear axle 31, the first gear 321, the second gear 322, idler gear 331 and output gear 332; Input gear axle 31 is plugged in the axis hole of rotor bottom tray 231, be provided with oiliness bearing between input gear axle 31 and the rotor bottom tray 231, by realizing relatively rotating between oiliness bearing input gear axle 31 and the rotor pallet 231; The first gear 321 and the second gear 322 are packed in the two ends of input gear axle 31; The first gear 321 and idler gear 331 engagements, the second gear 322 and output gear 332 engagements.
Idler gear 331 is sleeved on the described dehydration axle sleeve 52; Output gear 332 is fixedly connected with washing wheel 51, can achieve a fixed connection by direct selling.Between wash shaft 51 and output gear 332, be provided with distance collar, be respectively arranged with plane bearing at the two ends of rotor 23, by the setting of distance collar and plane bearing, can limiting motor rotor pallet 231 move axially.
Here need to prove, the axis hole of rotor bottom tray 231 can be set to a plurality of, namely can be at a plurality of input gear axles of rotor pallet 231 interior plug-in mountings and the first gear and the second gear that cooperate with it; The layout of a plurality of input gear axles can so that motor and gear reduction be combined in work the time more stable, prolong working life.
Above motor upper cover 24, be fixedly connected with mounting disc 11, can mounting disc 11 be fixedly connected with upper end cover 24 by bolt; By mounting disc 11 above-mentioned driver is installed on the washing machine.
With reference to figure 2, be the transmission schematic diagram of a kind of specific embodiment of described washing machine driver shown in Fig. 2.During work, behind the electrical power, drive motors rotor 23 rotates, drive simultaneously the input gear axle 31 that is connected with rotor bottom tray 231 and the first gear 321 and 322 revolution of the second gear that are fixedly mounted with input gear axle 31, the first gear 321 is with idler gear 331 engagements and exist the number of teeth poor, can drive simultaneously 31 rotations of input gear axle, rotate by the engagement driver output gear 332 of the second gear 322 with output gear 332, drive at last with the affixed wash shaft 51 of output gear 332 and rotate; Because there is the poor relation of tooth between the first gear 321, the second gear 322, idler gear 331 and the output gear 332, thus speed discrepancy can be produced between output gear 332 and the rotor 23, thus drive the output of wash shaft 51 low speed; Because idler gear 331 is sleeved on the dehydration axle sleeve 52 and is in not stationary state, so in the output of wash shaft 51 low speed, dehydration axle sleeve 52 is also by certain speed ratio low speed output.So washing is during operating mode, motor can high speed rotating, realizes the output of wash shaft 51 low speed by gear reduction, has improved the service efficiency of motor, has also realized simultaneously composite power output.
Here need to prove, wash shaft 51 and dehydration axle sleeve 52 both can with turning to low speed output, also can oppositely be exported.Wash shaft 51 is identical or opposite with turning to of dehydration axle sleeve 52, depends on the positive negative value of the poor ratio of gear reduction tooth, in actual applications, can set as required the poor relation of tooth of gear reduction.
Here also need to prove, in this kind embodiment, idler gear 331 and output gear 332 are ring gear.
With reference to figure 3, in the second specific embodiment, described gear reduction comprises duplicate gear 32, idler gear 331 and output gear 332; Described duplicate gear 32 is sleeved on the input gear axle 31 ', idler gear 331 and output gear 332 respectively with the first order gear 321 of duplicate gear 32 and 322 engagements of second level gear; Idler gear 331 is sleeved on the dehydration axle sleeve 52, and output gear 332 is affixed with wash shaft 51; Wherein, idler gear 331 and output gear 332 are external gear.
In the second specific embodiment, input gear axle 31 ' is fixedly connected with rotor bottom tray 231, can relatively rotate between duplicate gear 32 and the input gear axle 31 ', when drive motors rotor 23 rotates, drive simultaneously duplicate gear 32 revolution and rotations, can reach equally the purpose of wash shaft 51 low speed output according to the poor relation of tooth between first order gear 321, second level gear 322, idler gear 331 and the output gear 332 of duplicate gear 32.
Certainly, also input gear axle 31 ' and rotor bottom tray 231 can be rotationally connected, duplicate gear 32 is fixedly connected with input gear axle 31 ', can realize equally the output of wash shaft 51 low speed.
In the second embodiment or aforementioned the first embodiment, described idler gear 331 can be external gear, also can be ring gear, described output gear 332 can be external gear, also can be ring gear, thereby make described gear reduction that following several different specific embodiment can be arranged.
It is pointed out that function structure or member identical or that communicate indicates with identical mark in the drawings among each embodiment.
With reference to figure 4, in the third embodiment, input gear axle 31 rotates and is plugged in the rotor bottom tray 231, and the first gear 321 and the second gear 322 are packed in the two ends of input gear axle 31; Wherein, described idler gear 331 and described output gear 332 are external gear.
With reference to figure 5, in the 4th kind of embodiment, input gear axle 31 rotates and is plugged in the rotor bottom tray 231, and the first gear 321 and the second gear 322 are packed in the two ends of input gear axle 31; Wherein, described idler gear 331 is ring gear, and described output gear 332 is external gear.
With reference to figure 6, in the 5th kind of embodiment, input gear axle 31 rotates and is plugged in the rotor bottom tray 231, and the first gear 321 and the second gear 322 are packed in the two ends of input gear axle 31; Wherein, described idler gear 331 is external gear, and described output gear 332 is ring gear.
With reference to figure 7, in the 6th kind of embodiment, input gear axle 31 ' is fixedly connected with rotor bottom tray 231, can relatively rotate between duplicate gear 32 and the input gear axle 31 ', idler gear 331 and output gear 332 respectively with the first order gear 321 of duplicate gear 32 and 322 engagements of second level gear; Wherein idler gear 331 is ring gear, and output gear 332 is external gear.
Because the number of teeth of duplicate gear 32 two-stage gears is different, so can also be with the first order gear 321 ' and output gear 332 engagements of duplicate gear 32, second level gear 322 ' and idler gear 331 engagements, wherein idler gear 331 still is ring gear, output gear 332 still is external gear, this is the 7th kind of embodiment, as shown in Figure 8.
The above-mentioned several embodiment in the course of the work transmission principle with the first specific embodiment is identical, repeats no more here.
It is pointed out that described gear reduction except above-mentioned several specific embodiment, can also have other embodiment certainly, as long as can realize differential reducing, make output mechanism and rotor can produce speed discrepancy and get final product.
Can make further improvement to above-mentioned washing machine driver.
Further, described washing machine driver also comprises arrangement of clutch 4, and described arrangement of clutch is arranged between dehydration axle sleeve 52 and the rotor bottom tray 231, in order to realize the conversion of washing operating mode and dehydration condition.
Described arrangement of clutch 4 can be electromagnetic clutch device, also can be mechanical clutch means.The below describes as an example of electromagnetic clutch device example.
Particularly, electromagnetic clutch device comprises clutch cover plate, clutch fixed head, clutch fluted disc and coil holder; Coil holder is positioned at the annular groove of clutch fixed head, and the clutch cover plate is arranged at the top of coil holder, and the clutch fluted disc is positioned at the inner ring of clutch fixed head; Wherein clutch cover plate, clutch fixed head and be fixedly attached on the upper end cover 24 after coil holder is connected can be bolted to connection again; Clutch fluted disc top also is provided with stage clip.
The clutch fluted disc is sleeved on the dehydration axle sleeve 52 by spline housing, and clutch fluted disc and spline housing mesh and be in axial sliding connection.Here need to prove, clutch fluted disc and spline housing all are in engagement under any operating mode, and can not produce relative rotation between the two.Clutch fluted disc and spline housing are positioned at the upper end of the first ring gear 331.
After the electromagnetic clutch device energising, produce magnetic field, the clutch fluted disc can overcome the elastic force of stage clip by the male splined shaft upward sliding of spline housing, so that clutch fluted disc and rotor bottom tray 231 disconnect, at this moment behind the electrical power, can realize the output of wash shaft 51 low speed by gear reduction, realize washing function.
It is pointed out that and to realize the output of common output and composite power by the fixed form that changes arrangement of clutch 4.
Particularly, when clutch fluted disc and rotor bottom tray 231 disconnect, the clutch fluted disc is engaged with upper end cover 24, and the dehydration axle sleeve 52 that be connected with the clutch fluted disc this moment is in stationary state, thereby only has wash shaft 51 low speed to be output as common washing output when the washing operating mode; When the clutch fluted disc and rotor bottom tray 231 disconnects and fixing, the clutch fluted disc that fixedly do not refer to does not here engage with any parts that are in stationary state, the dehydration axle sleeve 52 that namely is connected with the clutch fluted disc also is in not stationary state, this moment is in the output of wash shaft 51 low speed, dehydration axle sleeve 52 also by certain speed ratio low speed output, namely can be realized composite power output.
After the electromagnetic clutch device outage, magnetic field disappears, under the elastic force effect of stage clip, the clutch fluted disc passes through the male splined shaft of spline housing to down sliding, so that the clutch fluted disc engages with rotor bottom tray 231, owing to not producing relative rotation between clutch fluted disc and the spline housing, so the dehydration axle sleeve 52 that be connected with spline housing this moment and the idler gear 331 and the rotor 23 that are sleeved on the dehydration axle sleeve 52 are locked, thereby cause the gear reduction self-locking, rotor 23 and wash shaft 51 same rotational speed realize dehydrating function.
Here need to prove, arrangement of clutch also can engage or disconnect to realize to wash by other driving members of driven gear reducing gear the conversion of operating mode and dehydration condition with rotor; When the common washing output of washing operating mode, the clutch fluted disc of arrangement of clutch also can engage with other fixtures of motor; As long as the setting of arrangement of clutch can realize the conversion of washing of drum type washing machine operating mode and dehydration condition.
Because when dehydration condition, the weight that dehydration axle sleeve 52 will bear washing clothes, in order to limit moving axially of dehydration axle sleeve 52, plane bearing, plain cushion and circlip can be set between dehydration axle sleeve 52 and idler gear 331 limit dehydration axle sleeve 52 in the movement of its axis direction.
For wash shaft 51 and dehydration axle sleeve 52 can more stably be rotated when the dehydration condition, between dehydration axle sleeve 52 and mounting disc 11, be provided with clutch shaft bearing, between output gear 332 and bottom end cover 25, be provided with the second bearing.
Further, between wash shaft 51 and dehydration axle sleeve 52, be provided with the first water seal, between dehydration axle sleeve 52 and mounting disc 11, be provided with the second water seal, be used for preventing that the washing machine course of work washings from entering internal drive.
Above washing machine driver provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. washing machine driver, comprise motor, wash shaft, be sleeved on dehydration axle sleeve and gear reduction on the described wash shaft, it is characterized in that, described wash shaft is coaxially installed on the center of rotor and the stator of described motor, and affixed with the output gear of described gear reduction, the input gear axle of described gear reduction is plugged in the axis hole of described rotor, and is connected with the pallet of described rotor bottom.
2. washing machine driver as claimed in claim 1 is characterized in that, described gear reduction comprises the first gear, the second gear, idler gear and output gear; Described the first gear and described the second gear are packed in the two ends of described input gear axle, described the first gear and the engagement of described idler gear, described the second gear and the engagement of described output gear; Described idler gear is sleeved on described dehydrating shaft and puts, and described output gear and described wash shaft are affixed.
3. washing machine driver as claimed in claim 1 is characterized in that, described gear reduction comprises duplicate gear, idler gear and output gear; Described duplicate gear is sleeved on the described input gear axle, described idler gear and described output gear respectively with the first order gear of described duplicate gear and the engagement of second level gear; Described idler gear is sleeved on described dehydrating shaft and puts, and described output gear and described wash shaft are affixed.
4. washing machine driver as claimed in claim 2 or claim 3 is characterized in that, described idler gear is external gear or ring gear.
5. washing machine driver as claimed in claim 2 or claim 3 is characterized in that, described output gear is external gear or ring gear.
6. such as each described washing machine driver of claims 1 to 3, it is characterized in that, described driver further comprises arrangement of clutch, and described arrangement of clutch is arranged between the pallet of described dehydration axle sleeve and described rotor bottom, in order to realize the conversion of washing operating mode and dehydration condition.
7. washing machine driver as claimed in claim 6 is characterized in that, described arrangement of clutch is sleeved on described dehydrating shaft and puts.
8. washing machine driver as claimed in claim 7 is characterized in that, during the washing operating mode, described arrangement of clutch engages with the upper end cover of described motor; During dehydration condition, described arrangement of clutch engages with described rotor bottom tray.
9. washing machine driver as claimed in claim 7 is characterized in that, during the washing operating mode, described arrangement of clutch is unfixing; During dehydration condition, described arrangement of clutch and the engagement of described rotor bottom tray.
10. washing machine driver as claimed in claim 6 is characterized in that, described arrangement of clutch is electromagnetic clutch device or mechanical clutch means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387572 CN202830551U (en) | 2012-08-06 | 2012-08-06 | Washing machine driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387572 CN202830551U (en) | 2012-08-06 | 2012-08-06 | Washing machine driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202830551U true CN202830551U (en) | 2013-03-27 |
Family
ID=47942299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220387572 Expired - Lifetime CN202830551U (en) | 2012-08-06 | 2012-08-06 | Washing machine driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202830551U (en) |
-
2012
- 2012-08-06 CN CN 201220387572 patent/CN202830551U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170823 Address after: East West Road Luoyang town Wujin District Jiangsu city of Changzhou province No. 118 213104 Patentee after: CHANGZHOU XINYA ELECTROMOTOR Co.,Ltd. Address before: East West Road Luoyang town Wujin District Jiangsu city Changzhou province 213164 Patentee before: CHANGZHOU MASTER MACHINERY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |