CN109728674A - A kind of novel DD motor and washing machine - Google Patents
A kind of novel DD motor and washing machine Download PDFInfo
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- CN109728674A CN109728674A CN201711021411.9A CN201711021411A CN109728674A CN 109728674 A CN109728674 A CN 109728674A CN 201711021411 A CN201711021411 A CN 201711021411A CN 109728674 A CN109728674 A CN 109728674A
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Abstract
The present invention relates to a kind of novel DD motor, including shell, interior of shell is equipped with the driving structure including stator and rotor, by the output shaft of driving structure driving rotation；The both ends of output shaft are set to the first bearing of shell two sides respectively and second bearing support is positioned on shell, and driving structure is held between first bearing and second bearing, to reduce motor volume.The invention further relates to a kind of washing machines equipped with novel DD motor as described above.The present invention is by being held on the driving structure including stator and rotor between the first bearing and second bearing of output shaft set on shell two sides, being used to be driven rotation by support driving structure, farthest reduce the distance between the accommodating chamber inner wall of driving structure and shell composition, the rotation of rotor is not influenced simultaneously, to reduce the volume of motor, keep motor more small and exquisite, beautiful.
Description
Technical field
The present invention relates to a kind of novel DD motors, further relate to a kind of washing machine equipped with novel DD motor.
Background technique
In DD motor, between having between the driving structure including stator and rotor and the accommodating chamber inner wall of shell composition
The volume of gap, motor is larger, and in addition to this, the prior art is defeated using realizing in such a way that nut is arranged in the non-shaft stretching end of output shaft
The axial limiting of shaft, but aforesaid way requires the non-shaft stretching end of output shaft to have longer threaded joints, thus causes to give birth to
Higher cost is produced, the occupied space of output shaft is larger, and the volume of motor is larger.
Existing roller washing machine includes inner barrel and outer barrel, and outer cylinder is generally plastic material, for being filled with water；Inner cylinder is not
Rust steel material, inner cylinder cylinder have permeable hole, and for containing washing clothing, inner cylinder posterior center is fixed with inner cylinder axis, inner cylinder axis
The bottom that the other end passes through outer cylinder is connected with the rotor of motor, and inner cylinder axis passes through interior for transmitting rotational power, the rotor of motor
Cylinder axis drives inner cylinder rotation.When roller washing machine is run, outer cylinder is fixed, and inner cylinder rotates under motor drive.In guaranteeing
Cylinder normal rotation, inner cylinder axle position is needed in the part of outer cylinder through two bearing supports of size, and bearing is fitted in by tooling
In the bearing support block of outer cylinder.In the above scheme, motor is mounted on after outer cylinder except cylinder bottom, and cylinder bottom adds the total of motor after outer cylinder
Thickness is very big, causes roller washing machine complete machine anteroposterior dimension excessive.
In view of this, the present invention is specifically proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of novel DD motors, to realize reduction production cost, reduce accounting for for output shaft
With space, the purpose for the volume for reducing motor, after it is loaded on roller washing machine, roller washing machine capacity and complete machine are being kept
In the case that width is constant, the front and back outer dimension of complete machine reduces.
To realize that the purpose, the present invention adopt the following technical scheme that:
A kind of novel DD motor, including shell, interior of shell are equipped with the driving structure including stator and rotor, are tied by driving
The output shaft of structure driving rotation；The both ends of output shaft are set to the first bearing of shell two sides and second bearing support positioning respectively
In on shell, driving structure is held between first bearing and second bearing, to reduce motor volume.
Further, output shaft both ends are the different shaft part of all diameters, and one end of Zhou Jing great passes through first bearing to realize branch
Support positioning, and pass through shell and constituted axle stretch end to be set to shell exterior；The small one end of all diameters is non-shaft stretching end, passes through the second axis
It holds to realize support positioning, and mutually limits clamping with second bearing through bolt.
Further, the axle stretch end of output shaft be equipped with radially protruding interconnecting piece, interconnecting piece be equipped with recess screw hole or
The screw rod of protrusion, to be connect with device to be driven.
Further, one end that rotor is connected with output shaft is equipped with the first support extended respectively to the both ends of output shaft
The end of portion and the second support portion, the first support portion and the second support portion is inconsistent with first bearing and second bearing respectively；
Preferably, inner ring of the end of the first support portion and the second support portion respectively with first bearing and second bearing offsets
Touching, and there is gap between first bearing and the outer ring of second bearing.
Further, the non-shaft stretching end of output shaft is equipped with the screw hole of axial depression, passes through second bearing and bolt phase spiral shell
Line connection, the nut radially protruding of bolt mutually limit clamping with second bearing in the non-shaft stretching end of output shaft.
Further, the outer ring of second bearing is fixedly connected with outer shell phase, and the non-shaft stretching end of output shaft passes through second bearing
Inner ring be mutually threadedly coupled with bolt, the inner ring of bolt nut and second bearing mutually limits clamping, and the outer ring with second bearing
Between have gap.
Further, shell is equipped with the second through-hole, and second bearing is placed in inside the second through-hole and is mutually interference fitted, and makes the
The outer ring of two bearings is fixedly connected with outer shell phase.
Further, at least one end of the second through-hole is internally bent to form the second clamping portion, the second clamping portion and second
The outer ring of bearing mutually limits clamping, and has gap between the inner ring of second bearing.
Further, the outer ring of first bearing is fixedly connected with outer shell phase, and the axle stretch end of output shaft passes through first bearing
Inner ring and shell, and it is set to shell exterior.
Further, shell is equipped with first through hole, and first bearing is placed in inside first through hole and is mutually interference fitted, and makes the
The outer ring of one bearing is fixedly connected with outer shell phase.
Further, at least one end of first through hole is internally bent to form the first clamping portion, the first clamping portion and first
The outer ring of bearing mutually limits clamping, and has gap between the inner ring of first bearing.
Further, the axle stretch end outer cover of output shaft is equipped with cricoid oil sealing, and the inner ring of oil sealing is mutually sealed with output shaft
Connection, the outside shell side in outer ring are sealed and are snapped connection to bending, and with outer shell phase.
The present invention also provides a kind of washing machines equipped with as above any novel DD motor.
Compared with prior art, the invention has the following beneficial effects:
1, the present invention by by the driving structure including stator and rotor be held on it is set on shell two sides, be used to support by
Between the first bearing and second bearing of the output shaft of driving structure driving rotation, driving structure and outer is farthest reduced
The distance between the accommodating chamber inner wall that shell is constituted, while the rotation of rotor is not influenced, to reduce the volume of motor, make electricity
Machine is more small and exquisite, beautiful.
2, screw hole is arranged by the non-shaft stretching end in motor output shaft in the present invention, is threadedly coupled bolt mutually with screw hole, spiral shell
The nut of bolt carries out axial limiting to output shaft, compared with prior art, has without the non-shaft stretching end in output shaft longer
Threaded joints reduce the occupied space of output shaft to reduce production cost, reduce the volume of motor.
3, by motor application of the invention on washing machine, being equivalent to bearing, the inner cylinder axis in existing roller washing machine
And oil sealing is included in inside motor, then motor is mounted on to the position of former bearing block, the thickness of former DD motor is saved, is keeping
In the case that roller washing machine capacity and complete machine width are constant, the front and back maximum outer dimension of complete machine reduces, and greatly reduces rolling
Cylinder washing machine complete machine the space occupied.
Detailed description of the invention
Attached drawing is as a part of the invention, and for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of novel DD motor provided by the present invention；
Fig. 2 is the cross-sectional view of novel DD motor provided by the present invention；
Fig. 3 is the Structure explosion diagram of novel DD motor provided by the present invention；
Fig. 4 is the cross-sectional view of washing machine provided by the present invention；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Wherein each group is as follows at title:
1 --- pedestal, 2 --- shell, 3 --- shell, 4 --- stator, 5 --- rotor, 6 --- output shaft, 7 --- the
One bearing, 8 --- first through hole, 9 --- the first clamping portion, 10 --- second bearing, 11 --- the second through-hole, 12 --- second
Clamping portion, 13 --- bolt, 14 --- screw hole, 15 --- oil sealing, 16 --- interconnecting piece, 17 --- the first reinforcer, 18 ---
Second reinforcer, 19 --- the first extension, 20 --- the second extension, 21 --- third extension, 22 --- the first support
Portion, 23 --- the second support portion, 24 --- fixing bolt, 25 --- inner cylinder, 26 --- outer cylinder, 27 --- motor, 28 --- three
Corner bracket, 29 --- the second die mould, 30 --- the first die mould, 31 --- aperture, 32 --- convex, 33 --- the second opening,
34 --- the first opening, 35 --- reinforcement part, 36 --- mounting groove, 37 --- driving structure.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below to the technical side in embodiment
Case is clearly and completely described, and the following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment one
As shown in Figure 1-3, this embodiment describes a kind of novel DD motor, including shell 3, it is equipped with inside shell 3 and includes
The driving structure 37 of stator 4 and rotor 5, by the output shaft 6 of the driving rotation of driving structure 37；The both ends of output shaft 6 are respectively through setting
First bearing 7 and second bearing 10 support in 3 two sides of shell is positioned on shell 3, and driving structure 37 is held on first bearing 7
Between second bearing 10, to reduce motor volume.
The present invention pass through by include stator 4 and rotor 5 driving structure 37 be held on it is set on 3 two sides of shell, be used to prop up
Between first bearing 7 and second bearing 10 of the support by the output shaft 6 of the driving rotation of driving structure 37, drive is farthest reduced
The distance between the accommodating chamber inner wall that dynamic structure 37 is constituted with shell 3, while the rotation of rotor 5 is not influenced, to reduce
The volume of motor 27 keeps motor 27 more small and exquisite, beautiful.
Specifically, one end that rotor 5 is connected with output shaft 6 is equipped with first extended respectively to the both ends of output shaft 6
The end of support part 22 and the second support portion 23, the first support portion 22 and the second support portion 23 respectively with first bearing 7 and the second axis
It is inconsistent to hold 10.
Preferably, first bearing 7 and/or second bearing 10 at least partly coincide with driving structure 37 radially,
Above-mentioned setting further reduces the volume of motor 27.
Embodiment two
As shown in Figure 1-3, the difference between this embodiment and the first embodiment lies in, 6 both ends of output shaft are the different shaft part of all diameters,
The big one end of all diameters passes through first bearing 7 to realize support positioning, and passes through shell 3 and constituted axle stretch end to be set to outside shell 3；
The small one end of all diameters is non-shaft stretching end, passes through second bearing 10 to realize support positioning, and through bolt and 10 phase of second bearing
Limit clamping.Wherein, output shaft 6 is meshed with rotor 5 and connect.
Above structure realizes the axially position of output shaft 6.
Specifically, the non-shaft stretching end of output shaft 6 is equipped with the screw hole 14 of axial depression, passes through second be set on shell 3
Bearing 10 is threadedly coupled with 13 phase of bolt, and the nut radially protruding of bolt 13 is in the non-shaft stretching end of output shaft 6, and and second bearing
The limit clamping of 10 phases.
Screw hole 14 is arranged by the non-shaft stretching end in 27 output shaft 6 of motor in the present invention, makes bolt 13 and 14 phase screw thread of screw hole
The nut of connection, bolt 13 carries out axial limiting to output shaft 6, compared with prior art, without the non-shaft stretching end in output shaft 6
With longer threaded joints, to reduce production cost, the occupied space of output shaft 6 is reduced, reduces motor 27
Volume.
Preferably, the axle stretch end of output shaft 6 is equipped with the interconnecting piece 16 of radially protruding, and interconnecting piece 16 is equipped with the screw hole of recess
And/or the screw rod of protrusion, to be connect with device to be driven.It is also possible that the screw rod of the screw hole of recess and/or protrusion is directly arranged in
The axle stretch end of output shaft 6.
27 rotor 5 of motor radially extends from output shaft 6, and first including moving closer to the formation of 6 axle stretch end of output shaft prolongs
Extending portion 19, the end of the first extension 19 are gradually distance from 6 axle stretch end of output shaft and form the second extension 20, the second extension 20
End is equipped with 5 winding of rotor, and 27 stator 4 of motor is set on the inside of 5 winding of rotor.One end of second extension 20 be equipped with rotor 5 around
Group, the other end are equipped with the third extension 21 extended to form to output shaft 6, and third extension 21 is set to the one of the first extension 19
Side, end are connected with output shaft 6.First extension 19 and third extension 21 are through multiple axially extending 35 phases of reinforcement part
It is fixedly connected.
Embodiment three
As shown in Figure 1-3, the present embodiment and the difference of embodiment one, two are, outer ring and 3 phase of shell of second bearing 10
Be fixedly connected, the inner ring that the non-shaft stretching end of output shaft 6 passes through second bearing 10 is threadedly coupled with 13 phase of bolt, 13 nut of bolt and
The inner ring of second bearing 10 mutually limits clamping, and has gap between the outer ring of second bearing 10.
Compared with the bearing of other structures, the service life is longer for above-mentioned second bearing 10.
Specifically, shell 3 is equipped with the second through-hole 11, and second bearing 10 is placed in 11 inside of the second through-hole and phase interference is matched
It closes, is fixedly connected with the outer ring of second bearing 10 with 3 phase of shell.
Preferably, at least one end of the second through-hole 11 is internally bent to form the second clamping portion 12, the second clamping portion 12 with
The outer ring of second bearing 10 mutually limits clamping, and has gap between the inner ring of second bearing 10；It is furthermore preferred that the second through-hole
11 both ends are respectively equipped with the second clamping portion 12.
Example IV
As shown in Figure 1-3, the present embodiment and the difference of embodiment one to three are, the axle stretch end of output shaft 6, which passes through, to be set to
First bearing 7 and shell 3 on shell 3, and be set to outside shell 3.
The outer ring of first bearing 7 is fixedly connected with 3 phase of shell, the axle stretch end of output shaft 6 pass through first bearing 7 inner ring and
Shell 3, and be set to outside shell 3.
Compared with the bearing of other structures, the service life is longer for above-mentioned second bearing 10.
Specifically, shell 3 is equipped with first through hole 8, and first bearing 7 is placed in 8 inside of first through hole and is mutually interference fitted, makes
The outer ring of first bearing 7 is fixedly connected with 3 phase of shell.
Preferably, at least one end of first through hole 8 is internally bent to form the first clamping portion 9, the first clamping portion 9 and first
The outer ring of bearing 7 mutually limits clamping, and has gap between the inner ring of first bearing 7；It is furthermore preferred that the two of first through hole 8
End is respectively equipped with the first clamping portion 9.
Correspondingly, the end of the first support portion 22 and the second support portion 23 respectively with first bearing 7 and second bearing 10
Inner ring is inconsistent, and has gap between first bearing 7 and the outer ring of second bearing 10.
The first support portion 22 and the second support portion 23 of above-mentioned setting realize driving structure 37 clamping position while,
Also improve the reliability that 27 rotor 5 of motor is connect with output shaft 6.
Shell 3 includes the shell 2 and pedestal 1 being detachably connected, and the middle part of shell 2 is protruded to the first side, periphery and pedestal 1
It is connected, and constitutes accommodating chamber, output shaft 6 is set to inside accommodating chamber, and the axle stretch end of output shaft 6 passes through shell 2, and is set to
Outside shell 3, non-shaft stretching end is set on pedestal 1.Shell 2 is fixedly connected with pedestal 1 through 24 phase of fixing bolt.
Shell 2 is equipped with the first opening 34, and first 34 outer 2 second side of peripheral envelope of opening are recessed to form the first die mould 30,
The inner ring of first die mould 30 constitutes the first through hole 8 installed for first bearing 7, and the inner ring outer cover of the first die mould 30 is equipped with ring
The inner ring of first reinforcer 17 of shape, the inner ring of the first reinforcer 17 and the first die mould 30 mutually supports conflict, outer ring and the first pressure
The outer ring of type 30 mutually supports conflict.Pedestal 1 is equipped with the second opening 33, the first side recess of the second 33 outer peripheral envelopes 2 of opening
The second die mould 29 is formed, the inner ring of the second die mould 29 constitutes the second through-hole 11 installed for second bearing 10, and the second die mould 29
Inner ring outer cover be equipped with cricoid second reinforcer 18, the inner ring of the second reinforcer 18 and the inner ring of the second die mould 29 mutually support
It contradicts, outer ring and the outer ring of the second die mould 29 mutually support conflict.
Embodiment five
As shown in Figure 1-3, the present embodiment and the difference of embodiment one to four are, it is arranged outside the axle stretch end of output shaft 6
Have a cricoid oil sealing 15, the inner ring and 6 phase of output shaft of oil sealing 15 are tightly connected, and outer ring is bent to 3 direction of shell, and with shell 3
It mutually seals and snaps connection.
Motor 27 of the invention is applied on washing machine, is equivalent to bearing, the inner cylinder 25 in existing roller washing machine
Axis and oil sealing 15 are included in inside motor 27, then motor 27 is mounted on to the position of former bearing block, the thickness quilt of former DD motor 27
Save, in the case where keeping roller washing machine capacity and constant complete machine width, the front and back maximum outer dimension of complete machine reduces, greatly
Reduce roller washing machine complete machine the space occupied greatly.
Preferably, the inner ring of oil sealing 15 passes through the sealing ring with elastic shrinkage property and is tightly connected with 6 phase of output shaft, sealing
Ring set is set to outside the axle stretch end of output shaft 6, and one end is squeezed between the inner ring of oil sealing 15 and output shaft 6, and the other end is equipped with
The outer phase of the positioning region projected radially outward, positioning region and 15 inner ring of oil sealing is tightly connected.
Embodiment six
As shown in Figure 4,5, this embodiment describes a kind of washing machines equipped with novel DD motor 27 as described above, including
Outer cylinder 26, the inner cylinder 25 being sheathed on inside outer cylinder 26 and the motor 27 outside outer cylinder 26,27 output shaft of motor pass through outer cylinder
26 are connected with inner cylinder 25, and 27 shell of motor is connected with 26 bottoms of outer cylinder, and the two sides of 27 shell of motor are respectively provided with
Support the first bearing 7 and second bearing 10 of 27 output shaft of motor.
Motor for washer 27 of the invention, which is equivalent to, bring bearing, inner cylinder axis and the oil sealing in existing roller washing machine into electricity
Inside machine, then motor 27 is mounted on to the position of former bearing block, the thickness of former DD motor is saved, and is keeping roller washing machine
In the case that capacity and complete machine width are constant, the front and back maximum outer dimension of complete machine reduces, and it is whole to greatly reduce roller washing machine
Machine the space occupied.
Preferably, 27 shell of motor fits with 26 bottoms of outer cylinder and contacts.
Above-mentioned setting reduces the occupied space of complete machine by reducing the gap between motor 27 and outer cylinder 26.
It is furthermore preferred that 26 bottoms of outer cylinder are equipped with the mounting groove 36 of recess, 27 depression of motor is inside mounting groove 36.
The mounting groove 36 of above-mentioned setting also achieves the radial positioning of motor 27.
Wherein, 27 shell of motor is connected through bolt with 26 bottoms of outer cylinder；Preferably, the shell periphery of motor 27 is through multiple
Bolt is connected with 26 bottoms of outer cylinder.
Embodiment seven
As shown in Figure 4,5, the present embodiment and the difference of embodiment six are, 27 output shaft of motor is through bolt and 25 phase of inner cylinder
Connection.
The present invention avoids engagement connection and causes by the way that 27 output shaft 6 of motor to be fixedly connected through bolt with 25 phase of inner cylinder
Abrasion, loosen, improve the reliability that 27 output shaft 6 of motor is connect with inner cylinder 25, and easy to operate, quick.Bolt passes through
Inner cylinder 25 is connected with the screw hole for being set to 27 output shaft of motor, 6 axle stretch end.
Embodiment eight
As shown in Figure 4,5, the present embodiment and the difference of embodiment six, seven are, the axle stretch end of 27 output shaft 6 of motor is equipped with
The interconnecting piece 16 of radially protruding, 27 output shaft 6 of motor coincide with 25 axis of inner cylinder, and interconnecting piece 16 passes through outer cylinder 26 and inner cylinder 25
Cylinder bottom center periphery is corresponding, and is mutually fixedly connected through bolt.
Above-mentioned connection type improves the reliability that 27 output shaft 6 of motor is connect with inner cylinder 25.
Bolt passes through inner cylinder 25 and is connected with the screw hole being set on interconnecting piece 16；Or bolt passes through interconnecting piece 16 and is set to
Screw hole on inner cylinder 25 is connected；Or screw bolt passes interconnecting piece 16, inner cylinder 25 are connected with nut.
Inner cylinder is equipped with tripod 28 on rear side of 25 bottoms, and bolt mutually fixes inner cylinder 25, tripod 28 with 27 output shaft 6 of motor
Connection.
Preferably, 25 bottoms of inner cylinder are equipped with convex 32 that is axially extending towards outer cylinder 26 and being set to outside interconnecting piece 16,
Convex 32 is limited with 16 phase of interconnecting piece and is contradicted.
Above-mentioned setting further improves the reliability that 27 output shaft 6 of motor is connect with inner cylinder 25.
It is furthermore preferred that 26 bottoms of outer cylinder are equipped with the aperture 31 passed through for interconnecting piece 16, after interconnecting piece 16 passes through aperture 31,
The gap between 27 output shaft 6 of 27 shell of motor, 3 seal and opening 31 and motor being tightly connected with 27 output shaft of motor, 6 phase.
Above-mentioned setting avoids steam and enters between motor 27 and outer cylinder 26.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any to be familiar with technology people of the invention
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of novel DD motor, which is characterized in that including shell (3), being equipped with inside shell (3) includes stator (4) and rotor
(5) driving structure (37), by the output shaft (6) of driving structure (37) driving rotation；The both ends of output shaft (6) are respectively through being set to
First bearing (7) and second bearing (10) support of shell (3) two sides are positioned on shell (3), and driving structure (37) is held on
Between first bearing (7) and second bearing (10).
2. a kind of novel DD motor according to claim 1, which is characterized in that rotor (5) is connected with output shaft (6)
One end is equipped with the first support portion (22) and the second support portion (23) extended respectively to the both ends of output shaft (6), the first support portion
(22) and the end of the second support portion (23) is inconsistent with first bearing (7) and second bearing (10) respectively；
Preferably, the end of the first support portion (22) and the second support portion (23) respectively with first bearing (7) and second bearing
(10) inner ring is inconsistent, and has gap between first bearing (7) and the outer ring of second bearing (10).
3. a kind of novel DD motor according to claim 1 or 2, which is characterized in that output shaft (6) both ends are that all diameters are different
Shaft part, one end of Zhou Jing great passes through first bearing (7) to realize support positioning, and passes through shell (3) to be set to shell (3) outside
Portion constitutes axle stretch end；The small one end of all diameters is non-shaft stretching end, passes through second bearing (10) to realize support positioning, and through bolt
Clamping is mutually limited with second bearing (10).
4. a kind of novel DD motor according to claim 3, which is characterized in that the non-shaft stretching end of output shaft (6) is equipped with axis
To the screw hole (14) of recess, passes through second bearing (10) and be mutually threadedly coupled with bolt (13), the nut radial convex of bolt (13)
For the non-shaft stretching end of output shaft (6), and clamping is mutually limited with second bearing (10).
5. a kind of novel DD motor according to claim 4, which is characterized in that the outer ring of second bearing (10) and shell
(3) it being mutually fixedly connected, the inner ring that the non-shaft stretching end of output shaft (6) passes through second bearing (10) is mutually threadedly coupled with bolt (13),
Bolt (13) nut and the inner ring of second bearing (10) mutually limit clamping, and between having between the outer ring of second bearing (10)
Gap；
Preferably, the outer ring of first bearing (7) is mutually fixedly connected with shell (3), and the axle stretch end of output shaft (6) passes through first bearing
(7) inner ring and shell (3), and it is external to be set to shell (3).
6. a kind of novel DD motor according to claim 5, which is characterized in that shell (3) is equipped with the second through-hole (11),
Second bearing (10) is placed in the second through-hole (11) inside and is mutually interference fitted, and keeps the outer ring of second bearing (10) solid with 3 phase of shell
Fixed connection；
Preferably, shell (3) is equipped with first through hole (8), and first bearing (7) is placed in first through hole (8) inside and phase interference is matched
It closes, is fixedly connected with the outer ring of first bearing (7) mutually with shell (3).
7. a kind of novel DD motor according to claim 6, which is characterized in that at least one end of the second through-hole (11) is inside
Portion is bent to form the second clamping portion (12), and the outer ring of the second clamping portion (12) and second bearing (10) mutually limits clamping, and with
There is gap between the inner ring of two bearings (10).
8. a kind of novel DD motor according to claim 6, which is characterized in that at least one end of first through hole (8) is inside
Portion is bent to form the first clamping portion (9), and the outer ring of the first clamping portion (9) and first bearing (7) mutually limits clamping, and and first axle
Holding has gap between the inner ring of (7).
9. a kind of novel DD motor according to claim 3, which is characterized in that be arranged outside the axle stretch end of output shaft (6)
Having cricoid oil sealing (15), inner ring and the output shaft (6) of oil sealing (15) are mutually tightly connected, and outer ring is bent to shell (3) direction, and
It mutually seals and snaps connection with shell (3).
10. a kind of washing machine equipped with any novel DD motor of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021411.9A CN109728674B (en) | 2017-10-27 | 2017-10-27 | DD motor and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021411.9A CN109728674B (en) | 2017-10-27 | 2017-10-27 | DD motor and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109728674A true CN109728674A (en) | 2019-05-07 |
| CN109728674B CN109728674B (en) | 2021-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711021411.9A Active CN109728674B (en) | 2017-10-27 | 2017-10-27 | DD motor and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109728674B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293276A (en) * | 1999-10-18 | 2001-05-02 | Lg电子株式会社 | Driving assembly structure in drum type washing machine |
| US20060101864A1 (en) * | 2004-11-17 | 2006-05-18 | Samsung Electronics Co., Ltd. | Washing machine |
| CN105624965A (en) * | 2014-10-30 | 2016-06-01 | 青岛海尔洗衣机有限公司 | Washing device |
-
2017
- 2017-10-27 CN CN201711021411.9A patent/CN109728674B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293276A (en) * | 1999-10-18 | 2001-05-02 | Lg电子株式会社 | Driving assembly structure in drum type washing machine |
| US20060101864A1 (en) * | 2004-11-17 | 2006-05-18 | Samsung Electronics Co., Ltd. | Washing machine |
| CN105624965A (en) * | 2014-10-30 | 2016-06-01 | 青岛海尔洗衣机有限公司 | Washing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109728674B (en) | 2021-06-15 |
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