KR20170039990A - Top loading type washing machine - Google Patents
Top loading type washing machine Download PDFInfo
- Publication number
- KR20170039990A KR20170039990A KR1020150139271A KR20150139271A KR20170039990A KR 20170039990 A KR20170039990 A KR 20170039990A KR 1020150139271 A KR1020150139271 A KR 1020150139271A KR 20150139271 A KR20150139271 A KR 20150139271A KR 20170039990 A KR20170039990 A KR 20170039990A
- Authority
- KR
- South Korea
- Prior art keywords
- bolt
- pulsator
- gear
- carrier
- inner pulsator
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/40—Driving arrangements for driving the receptacle and an agitator or impeller, e.g. alternatively
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
-
- Y02B40/50—
Abstract
A top loading washing machine according to the present invention includes: a drum for loading laundry laid up and down; A drive module for rotating the drum through a drive shaft; An inner pulsator disposed on the drum, positioned on the driving shaft and rotated by receiving a rotational force from the driving module; An outer pulser which is disposed on the drum, rotates on an outer side of the inner pulsator, and receives rotation force from the driving module and rotates in an opposite direction to the inner pulsator; A gear box disposed between the driving module and the drum and connected to the driving shaft to receive a rotational force and to rotate the inner pulsator and the outer pulsizer in opposite directions; And a long bolt whose upper end is supported by the inner pulsator and whose lower end is fastened to the drive shaft.
The top loading washing machine according to the present invention is advantageous in that the long bolt penetrates through the inner pulsator and is fastened to the driving shaft but is rotated relative to the inner pulsator.
Description
The present invention relates to a top loading washing machine.
Generally, a washing machine is an apparatus for washing clothes using an emulsifying action of a detergent, a water flow action caused by the rotation of the washing tub or the laundry blades, and a shock action applied by the laundry blades, and uses laundry detergent and water Washing, rinsing or dewatering process is performed so as to remove the contamination on the surface (hereinafter referred to as "foam").
In the top loading washing machine according to the related art, a pulsator is disposed inside the drum.
The pulsator can be rotated independently of the drum. Conventionally, the pulsator can be rotated together with the drum or rotated in the opposite direction to the drum.
However, when the drum and pulsator are rotated in opposite directions, the power consumption is large, but the washing power is not as high as the consumed power.
A problem to be solved by the present invention is to provide a top loading washing machine provided with two pulsators.
Another object of the present invention is to provide a top loading washer equipped with an inner pulsator and an outer pulsator.
A further object of the present invention is to provide a top loading washer in which the inner pulsator and the outer pulsator can be rotated in opposite directions to each other.
A further object of the present invention is to provide a top loading washing machine with low power consumption in the structure in which the inner pulsator and the outer pulsator are operated.
Another object of the present invention is to provide a top loading washing machine in which the speed of the inner pulsator and the outer pulsator can be changed according to the load of laundry.
Another object of the present invention is to provide a fastening structure capable of coupling an inner pulsator to a drive shaft.
Another object of the present invention is to provide a fastening structure in which an inner pulsator is coupled to a drive shaft, but is relatively rotated without being rotated together with the drive shaft.
Another object of the present invention is to provide a fastening structure of a long bolt fastened to a drive shaft through an inner pulsator.
Another object of the present invention is to provide a fastening structure which is engaged with a drive shaft and rotated, and which minimizes friction between the inner pulsator and a relatively rotated inner pulsator.
The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.
A top loading washing machine according to the present invention includes: a drum for loading laundry laid up and down; A drive module for rotating the drum through a drive shaft; An inner pulsator disposed on the drum, positioned on the driving shaft and rotated by receiving a rotational force from the driving module; An outer pulser which is disposed on the drum, rotates on an outer side of the inner pulsator, and receives rotation force from the driving module and rotates in an opposite direction to the inner pulsator; A gear box disposed between the driving module and the drum and connected to the driving shaft to receive a rotational force and to rotate the inner pulsator and the outer pulsizer in opposite directions; And a long bolt whose upper end is supported by the inner pulsator and whose lower end is fastened to the drive shaft.
The upper bolt penetrates through the inner pulsator, and the upward movement of the inner pulsator can be restricted.
The lower end of the long bolt may be inserted into the gear box and be coupled to the drive shaft located inside the gear box.
The long bolt may be coupled to the drive shaft and rotated together, and may be configured to rotate relative to the inner pulsator.
The gear box includes a sun gear coupled to the drive shaft and rotated; A plurality of planetary gears meshing with the sun gear and revolving along an outer circumferential surface of the sun gear while being rotated; A ring gear coupled with the planetary gear and rotated; A carrier that provides the axis of rotation of the planet gears, connects the planet gears and rotates together when the planet gears are idle; A gear housing fixed to the ring gear and coupled with the outer pulsizer to transmit rotational force; And a carrier shaft formed on the carrier, protruding upwardly through the gear housing and coupled with the inner pulsator to transmit rotational force.
The long bolt may be coupled with the drive shaft through the carrier shaft.
The long bolt includes a bolt body; And a bolt head formed on an upper end of the bolt body, wherein the bolt head is supported by the inner pulsator, and the bolt body is fastened to the drive shaft.
A male thread is formed on a lower part of the bolt body and a female screw thread on which a lower end of the bolt body is fastened to the upper end of the drive shaft.
A bolt supporter disposed between the inner pulsator and the bolt head and supporting the bolt head may be further disposed.
The bolt head further includes a bolt tapered portion protruding in a radial direction, and the bolt tapered portion can be supported by the bolt supporter.
The bolt tapered portion may be tapered in a downward direction.
A bolt bearing may be further disposed between the bolt supporter and the inner pulsator.
The inner pulser may be further provided with a bolt mounting groove on which the long bolt is installed, an inner cap covering the bolt mounting groove, and an inner cap coupled with the inner pulser.
The sun gear is formed with a sun gear hollow therein, and the drive shaft can be inserted and coupled to the sun gear hollow.
Wherein the carrier comprises: an upper carrier body disposed above the sun gear and the planetary gears; A lower carrier body disposed below the sun gear and the planetary gears and supporting the sun gear and the planetary gears; And a planetary gear shaft formed on at least one of the upper carrier body and the lower carrier body and providing a rotation axis of the planetary gear, the carrier shaft being formed in the upper carrier body.
The gear housing includes: a lower housing supporting the sun gear, the planetary gear, and the carrier; And an upper housing located above the lower housing and coupled with the outer pulsator, wherein the ring gear is fixed to either the upper housing or the lower housing, and the carrier shaft is arranged to penetrate the upper housing .
The top loading washing machine according to the present invention has an advantage of excellent washing power because the inner pulsator and the outer pulsator are rotated in opposite directions.
The top loading washing machine according to the present invention has an advantage that the rotation speed of the inner pulsator and the outer pulsator varies according to the load of the laundry.
The top loading washing machine according to the present invention is advantageous in that the rotational speed of the inner pulsator and the outer pulsator varies according to load of the laundry, so that power consumption can be reduced.
The top loading washing machine according to the present invention is advantageous in that the rotation speed of the inner pulsator and the outer pulsator is reduced when the load is high, thereby reducing damage to the laundry.
The top loading washing machine according to the present invention is advantageous in that the long bolt penetrates through the inner pulsator and is fastened to the driving shaft but is rotated relative to the inner pulsator.
The top loading washing machine according to the present invention is advantageous in that the upward movement of the inner pulsator can be easily restricted since the long bolt is supported by the bolt support.
The top loading washing machine according to the present invention has an advantage of reducing friction because a bolt bearing is installed between a relatively rotated inner pulsator and a long axial bolt.
1 is a sectional view showing the inside of a washing machine according to a first embodiment of the present invention.
2 is a cross-sectional view of the dual pulsator shown in Fig.
3 is an exploded perspective view of the dual pulsator shown in Fig.
Fig. 4 is an exploded perspective view of the gear box shown in Fig. 2; Fig.
5 is a sectional view of the gear box shown in Fig.
6 is a graph of the speed of the planetary gear assembly according to the first embodiment of the present invention.
7 is a cross-sectional view illustrating the coupling structure of the inner pulsator and the driving shaft shown in FIG.
8 is a partially cutaway perspective view of the sealing member shown in Fig.
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.
Referring to FIG. 1, the washing machine according to the present embodiment includes a
The
The washing machine includes a
The
The
The
The
The
The
The drum (40) is disposed inside the tub (30). The
The
The drum base (44) is provided with a hub (46). The
The drum (40) is configured to rotate relative to the tub (30) in a forward or reverse direction.
In the present embodiment, the
The
The
In the present embodiment, the
Referring to Figs. 2 to 8, the structure of the
The driving
The drive shaft (54) is disposed through the hub (46).
The
The
When the driving
The
The
The
The
A
The
In this embodiment, the
The
The
The
The
An
The
The
The
The
The
The
Even when the speed of the
The
The
In this embodiment, the
The
The
The drive shaft (54) is inserted into the sun gear hollow (111). The
A plurality of the
The
The
In this embodiment, six
The
In this embodiment, the
The
The
The
The
The
The
The
In this embodiment, a
A plurality of the
The
The
The
The
The
The
A carrier shaft hollow (161) is formed in the carrier shaft (160).
The
In this embodiment, two carrier bodies are separately manufactured, but they may be formed of only one carrier body. When the carrier body is manufactured as one, both the
The
The
In this embodiment, the
When the rotational force is transmitted to the
In this embodiment, the
A
The
In the present embodiment, the
The
Also, the
In this embodiment, the bearings are disposed for rotation of the
The
The
The
The
In this embodiment, the
The
The
The
In the present embodiment, the
The
When the
Hereinafter, the operation of the dual pulse generator according to the first embodiment of the present invention will be described in detail with reference to the drawings.
First, when the power is applied to the
The
For convenience of explanation, the direction in which the
The
The
Here, the
The
Thus, the
Thus, the
The
Therefore, when the
In this embodiment, the
In this embodiment, the rotational force is input only to the
The rotational speed of the
For example, when the laundry is loaded on the
As described above, if the speed of the
As in the prior art, even if the load is high, if the pulsator is operated at a high speed, the frictional force becomes large and the laundry is damaged. In the washing machine according to the present embodiment, when the load is high, the
The rotational speeds of the
The rotational speed of the inner pulsator (Winner pulsator) is calculated by the following equation.
Ws: sun gear speed
Wm: Motor rotation speed (Wm = Ws)
Wr: Ring gear rotation speed
Wouter pulsator: The outer pulsator rotation speed (Wouter pulsator = Wr)
Zs: number of sun gear teeth
Zr: Number of teeth of ring gear
In this embodiment, since the
The ring gear rotational speed and the rotational speed of the
In this embodiment, the number of teeth of the
When the graph according to the above formula is analyzed,
The inner pulsator rotation speed (Winner pulsator) = 0 to 1/3 Wm (motor rotation speed),
Wouter pulsator of outer pulsator = 0 ~ 1 / 2Wm (motor rotation speed)
.
Referring to Fig. 7, the coupling structure of the inner pulsator and the driving shaft according to the present embodiment will be described.
In this embodiment, the rotational force of the
A
In the present embodiment, the
The
The
The
The
And threads are formed for fastening the
The thread may be formed only in a part of the
To this end, a male thread is formed only in a part of the lower end of the
So that the
The
A
The
The bolt tapered
A bolt bearing 208 may be further provided between the
When the
Since the
Since the rotation speed of the
An
The sealing of the carrier shaft will be described with reference to Fig.
A sealing
The sealing
The sealing
The sealing
The sealing
The sealing
The
A
A sealing
It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.
50: drive module 52: motor
54: drive shaft 90: dual pulsator
92: Inner Pulsator 94: Outer Pulsator
95: rotation space 96: pulsator base
97: mounting groove 100: gear box
110: Sunguer 111: Sungear hollow
112: internal teeth 114: external teeth
120: Planetary gear 121: Planetary gear hollow
130: ring gear 140: carrier
141: planetary gear shaft 142: lower carrier body
144: upper carrier body 146: lower sun gear groove
147: Upper sun gear groove 148: Planetary gear shaft
150: gear housing 151: carrier shaft hole
152: lower housing 153: bearing groove
154: upper housing 155: housing locking projection
160: Carrier axis 161: Carrier axis hollow
171: first bearing 172: second bearing
173: third bearing 174: fourth bearing
200: long axis bolt 201: sealing member
202: Bolt body 204: Bolt head
205: bolt tapered portion 206: bolt supporter
208: Bolt bearing
Claims (16)
A drive module for rotating the drum through a drive shaft;
An inner pulsator disposed on the drum, positioned on the driving shaft and rotated by receiving a rotational force from the driving module;
An outer pulser which is disposed on the drum, rotates on an outer side of the inner pulsator, and receives rotation force from the driving module and rotates in an opposite direction to the inner pulsator;
A gear box disposed between the driving module and the drum and connected to the driving shaft to receive a rotational force and to rotate the inner pulsator and the outer pulsizer in opposite directions;
And a long bolt whose upper end is supported by the inner pulsator and whose lower end is fastened to the drive shaft.
Wherein the long bolt passes through the inner pulsator at an upper end thereof and restricts upward movement of the inner pulsator.
And the lower end of the long bolt is inserted into the gear box and is fastened to the drive shaft located inside the gear box.
The long bolt,
And is rotatable together with the driving shaft, and is rotated relative to the inner pulsator.
The gear box includes:
A sun gear connected to the drive shaft and rotated;
A plurality of planetary gears meshing with the sun gear and revolving along an outer circumferential surface of the sun gear while being rotated;
A ring gear coupled with the planetary gear and rotated;
A carrier that provides the axis of rotation of the planet gears, connects the planet gears, and rotates together when the planet gears are idle; And
A gear housing fixed to the ring gear and coupled with the outer pulsizer to transmit rotational force; And
And a carrier shaft formed on the carrier and projecting upwardly through the gear housing and coupled with the inner pulsator to transmit rotational force.
The long bolt,
And is coupled with the drive shaft through the carrier shaft.
The long bolt,
Bolt body; And a bolt head formed on an upper end of the bolt body,
Wherein the bolt head is supported by the inner pulsator, and the bolt body is fastened to the driving shaft.
Wherein a screw thread is formed on a lower part of the bolt body and a female screw thread is formed on an upper end of the driving shaft to fasten the lower end of the bolt body.
And a bolt supporter disposed between the inner pulsator and the bolt head and supporting the bolt head.
Wherein the bolt head further includes a bolt tapered portion protruding in a radial direction, and the bolt taper portion is supported by the bolt supporter.
And the tapered portion of the bolt is tapered in a downward direction.
And a bolt bearing is further disposed between the bolt supporter and the inner pulsator.
Wherein the inner pulser has a bolt installation groove on which the long bolt is installed, and further includes an inner cap that covers the bolt installation groove and is coupled to the inner pulsator.
Wherein the sun gear is formed with a sun gear hollow therein, and the drive shaft is inserted and coupled to the sun gear hollow.
The carrier
An upper carrier body disposed above the sun gear and the planetary gears;
A lower carrier body disposed below the sun gear and the planetary gears and supporting the sun gear and the planetary gears;
And a planetary gear shaft formed on at least one of the upper carrier body and the lower carrier body and providing a rotation axis of the planetary gear,
Wherein the carrier shaft is formed on the upper carrier body.
The gear housing includes:
A lower housing for supporting the sun gear, the planetary gear, and the carrier;
And an upper housing located above the lower housing and coupled with the outer pulsator,
Wherein the ring gear is fixed to either the upper housing or the lower housing, and the carrier shaft is disposed to penetrate the upper housing.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150139271A KR101730316B1 (en) | 2015-10-02 | 2015-10-02 | Top loading type washing machine |
CN201610873301.4A CN106939485B (en) | 2015-10-02 | 2016-09-30 | Top loading type washing machine |
US15/281,764 US10316453B2 (en) | 2015-10-02 | 2016-09-30 | Top-loading type washing machine |
AU2016330088A AU2016330088B2 (en) | 2015-10-02 | 2016-10-01 | Top-loading-type washing machine |
PCT/KR2016/011033 WO2017057981A1 (en) | 2015-10-02 | 2016-10-01 | Top-loading-type washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150139271A KR101730316B1 (en) | 2015-10-02 | 2015-10-02 | Top loading type washing machine |
Publications (2)
Publication Number | Publication Date |
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KR20170039990A true KR20170039990A (en) | 2017-04-12 |
KR101730316B1 KR101730316B1 (en) | 2017-04-27 |
Family
ID=58580507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020150139271A KR101730316B1 (en) | 2015-10-02 | 2015-10-02 | Top loading type washing machine |
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Country | Link |
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KR (1) | KR101730316B1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140017476A (en) | 2010-06-11 | 2014-02-11 | 허페이 글루 테크. 워셔 컴퍼니 리미티드 | Method for driving clothes to roll in upright barrel by using impellers and application thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200314462Y1 (en) * | 2003-02-28 | 2003-05-28 | 주식회사 대우일렉트로닉스 | Pulsator for washing machine |
-
2015
- 2015-10-02 KR KR1020150139271A patent/KR101730316B1/en active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140017476A (en) | 2010-06-11 | 2014-02-11 | 허페이 글루 테크. 워셔 컴퍼니 리미티드 | Method for driving clothes to roll in upright barrel by using impellers and application thereof |
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Publication number | Publication date |
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KR101730316B1 (en) | 2017-04-27 |
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