CN108950977B - Double-drum washing machine and driving system thereof - Google Patents
Double-drum washing machine and driving system thereof Download PDFInfo
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- CN108950977B CN108950977B CN201710358016.3A CN201710358016A CN108950977B CN 108950977 B CN108950977 B CN 108950977B CN 201710358016 A CN201710358016 A CN 201710358016A CN 108950977 B CN108950977 B CN 108950977B
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- 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
- D06F29/00—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
- D06F29/02—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus with liquid-extracting apparatus
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- 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
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- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention belongs to the technical field of washing machines, and particularly provides a double-drum washing machine and a driving system thereof. The invention aims to solve the problem that the existing double-drum washing machine can realize three working modes of single washing, single stripping and simultaneous elution only by driving two motors. To this end, in the driving system for a twin-tub washing machine of the present invention, when the driving device supplies power, the first one-way transmission device connected thereto selectively drives the dehydration tub of the twin-tub washing machine, and at the same time, the second two-way transmission device can selectively transmit the power of the first one-way transmission device to the two-way rotating device, so that the two-way rotating device can drive the washing tub to operate, thereby enabling the twin-tub washing machine to realize three operating states of single washing, single dehydrating and simultaneous washing through the single motor driving system.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a double-drum washing machine and a driving system thereof.
Background
At present, two motors are required to be installed on a double-drum washing machine to provide working power for the washing machine, wherein one motor is responsible for providing power when the washing machine performs washing work, and the other motor is responsible for providing power required by the washing machine for dehydration work, namely, the washing machine can realize three working states of single washing, single dehydration and simultaneous elution through the two motors. However, the design scheme of installing two motors inside the washing machine greatly increases the production cost and the structural complexity of the washing machine.
Based on the above situation, how to enable the dual-tub washing machine to realize three working modes of single washing, single stripping and simultaneous elution through one driving motor becomes a technical problem to be solved urgently. At present, a double-rotating-shaft motor can be matched with a clutch brake mechanism to realize selective rotation of two rotating shafts, when the double-rotating-shaft motor is applied to a washing machine, a washing barrel and a dewatering barrel of the washing machine can be driven by the motor to operate simultaneously or respectively, but the structure of the design scheme is complex, the motor with a specific structure needs to be designed, the clutch brake mechanism needs to be designed, and the design cost of the washing machine is increased.
Accordingly, there is a need in the art for a new drive system for a dual tub washing machine to solve the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the conventional twin-tub washing machine requires two motors to drive to realize three operation modes of single washing, single releasing and simultaneous washing, the present invention provides a driving system for a twin-tub washing machine, which includes a driving device for providing a rotary power to the twin-tub washing machine, a first one-way transmission connected to the driving device for driving a dehydration tub of the twin-tub washing machine to rotate, a second two-way transmission connected to the first one-way transmission for selectively transmitting the power of the first one-way transmission backward to the two-way transmission, and a two-way transmission pivotally connected to the second two-way transmission, the second bidirectional transmission device is used for converting the unidirectional rotation from the second bidirectional transmission device into bidirectional reciprocating rotation so as to drive the washing barrel of the double-barrel washing machine to rotate in a reciprocating manner.
In a preferred technical solution of the above driving system, the first one-way transmission device is a one-way ratchet device, a rotating shaft of the one-way ratchet device is fixedly connected to an output end of the driving device, and the one-way ratchet device can drive the spin-drying tub to rotate only in one direction, so that power of the driving device can be selectively transmitted to the spin-drying tub.
In a preferred embodiment of the above driving system, the second bidirectional transmission device is a compound bidirectional ratchet device, which includes a rotating shaft, and a power input wheel, a power output wheel and a gear wheel that are coaxially and pivotally connected to the rotating shaft, the gear wheel is fixedly connected with the power input wheel, and the power input wheel is in transmission connection with the one-way ratchet device, so as to be able to selectively receive power from the one-way ratchet device.
In a preferred embodiment of the above drive system, the second bidirectional transmission further comprises a toggle switch connected to the power take-off wheel, the toggle switch being engageable with the gear wheel in either the first position or the second position to selectively cause the gear wheel to rotate with the power take-off wheel.
In a preferred embodiment of the above driving system, the second bidirectional transmission further includes a rotating bracket fixedly connected to or integrally formed with the power output wheel, and the toggle switch is pivotally connected to the rotating bracket so as to be switched between the first position and the second position.
In a preferred embodiment of the above driving system, the bidirectional rotating device includes a gear connected to the washing tub of the twin tub washing machine and a rack member having one end engaged with the gear and the other end pivotally connected to the power output wheel.
In a preferred embodiment of the above driving system, the rack member includes a link and a rack, a first end of the link is pivotally connected to a first end of the rack, a second end of the link is pivotally connected to the power output wheel, and a second end of the rack is engaged with the gear.
In a preferred embodiment of the above driving system, the driving device is a motor.
In a preferred technical scheme of the driving system, the power input wheel is in transmission connection with the one-way ratchet wheel device through a belt or a chain.
According to another aspect, the present invention provides a twin-tub washing machine including any one of the drive systems described above.
As can be understood by those skilled in the art, in the technical solution of the present invention, the washing tub and the dewatering tub of the twin-tub washing machine are indirectly connected with the driving device through the first one-way transmission device, the second two-way transmission device and the two-way rotating device, the first one-way transmission device, the second two-way transmission device, the two-way rotating device and the driving device constitute a driving system, the driving system is used for selectively transmitting power to a washing barrel and a dewatering barrel of the washing machine, so that the double-barrel washing machine can realize three operating states of the washing barrel working, the dewatering barrel working and the two working at the same time by only one power source, the invention optimizes the design scheme of double power source drive of the prior double-barrel washing machine into a driving system comprising only one power source, reduces the number of the power sources of the double-barrel washing machine from two to one, and reduces the production cost and the structural complexity of the double-barrel washing machine.
Drawings
Fig. 1 is a structural side view of a driving system for a twin-tub washing machine of the present invention.
Fig. 2 is a structural plan view of a driving system for a twin-tub washing machine of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the description has been described in connection with an electric motor, it will be appreciated that other types of power sources may be used, provided that the power source meets the driving requirements of the drive system during operation.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper side", "inner side", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring first to fig. 1, fig. 1 is a structural side view of a driving system for a twin tub washing machine according to the present invention. As shown in fig. 1, the driving system for the double tub washing machine of the present invention includes a driving device 4, a first one-way transmission 5, a second two-way transmission 6, and a two-way rotation device 7, wherein the driving device 4, the first one-way transmission 5, and the second two-way transmission 6 are sequentially connected, and the two-way rotation device 7 is pivotally connected to the second two-way transmission 6. Above the first unidirectional transmission 5, according to the orientation of fig. 1, is mounted the dewatering tub of a twin-tub washing machine, whose washing tub is connected to the output of the bidirectional rotating device 7. Preferably, the first one-way transmission 5 and the second two-way transmission 6 are connected by a belt 8, i.e. the first one-way transmission 5 transmits power to the second two-way transmission 6 by the belt 8. Further, a decelerator 9 is installed between the bidirectional rotating device 7 and the washing tub, and the decelerator 9 may be any type of decelerator including a gear decelerator for decreasing a rotation speed and increasing a torque. Preferably, the driving device 4 is a motor. It can be understood by those skilled in the art that the connection mode between the first unidirectional transmission device 5 and the second bidirectional transmission device 6 is not limited to a belt, and other transmission parts besides the belt 8, such as a chain (when other transmission parts are used, the transmission parts matched with the other transmission parts are adjusted correspondingly) can be selected, and the selected transmission parts only need to be capable of transmitting power from the first unidirectional transmission device 5 to the second bidirectional transmission device 6.
With continued reference to fig. 1, preferably, the first unidirectional 5 is a unidirectional ratchet device comprising a first shaft 10, a transmission wheel 11 and a unidirectional ratchet 12, the second bidirectional 6 is a compound bidirectional ratchet device comprising a second shaft 13, a power input wheel 14, a first gear 15 and a power output wheel 16, the bidirectional rotary device comprising a second gear 18 and a rack member consisting of a link 17 and a rack 19. Specifically, a first rotating shaft 10 is connected to a power output shaft of the driving device 4, a driving wheel 11 is mounted on the first rotating shaft 10, a one-way ratchet 12 is coaxially mounted on the upper side of the driving wheel 11, and a spin-drying tub (not shown in fig. 1) is connected to the upper side of the one-way ratchet 12. The one-way ratchet 12 is structured such that, when the first rotating shaft 10 and the transmission wheel 11 rotate in one direction (for example, clockwise), the one-way ratchet 12 can transmit the power of the driving device 4 to the spinning tub to rotate it; when the first rotating shaft 10 and the driving wheel 11 rotate in the other direction (for example, counterclockwise), the one-way ratchet wheel 12 does not transmit power, the dehydrating tub does not rotate, and the power of the driving unit 4 is transmitted to the second two-way transmission unit 6 through the driving wheel 11 in a backward direction. As shown in fig. 1, the transmission wheel 11 is a belt pulley, and is further provided with a fin-type heat dissipation structure extending downward, i.e. the transmission wheel 11 not only can transmit power but also has a function of dissipating heat for the driving device 4 when in operation.
As shown in fig. 1, one end of the belt 8 is mounted on the transmission wheel 11, and the other end is engaged with the power input wheel 14 (in this case, the power input wheel 14 is also a belt pulley). The power input wheel 14 is fixedly mounted on the second rotary shaft 13, the first gear 15 is fixedly connected to the power input wheel 14 on the upper side, and the power output wheel 16 is located on the upper side of the first gear 15 and is pivotally mounted on the second rotary shaft 13. One end of the link 17 is pivotally connected to the edge of the power take-off wheel 16, and the other end thereof is pivotally connected to a rack 19, a second gear 18 is mounted on the input shaft on the lower side of the speed reducer 9, and the second gear 18 is also engaged with the rack 19. It should be noted that the driving wheel 11 and the one-way ratchet 12 in the first one-way transmission device 5 may be connected independently, or may be integrally formed, that is, they form a one-way ratchet structure with a driving wheel (and a heat dissipation structure), and furthermore, they may not be connected but coaxially mounted on the rotating shaft 10 (for example, when they are in interference fit with the rotating shaft 10, this may be adopted). Similarly, the power input wheel 14 and the first gear 15 may be integrally formed gear parts with a transmission wheel structure, or two separate parts may be connected together. In addition, the specific setting of the size (diameter and length) of the rotating shaft and the parameters of each wheel part (such as the diameter of the wheel, the number of teeth of the gear, the modulus and other basic parameters) in the driving system can be specifically set according to actual requirements as long as the transmission requirements are met, and the adjustment does not depart from the principle and the scope of the invention. Further, although the rack member described herein includes the link 17 and the rack 19 pivotally connected to each other, the technical solution of the present invention is not limited thereto, and alternatively, a link with a rack portion may be employed for the purpose of converting unidirectional rotation into bidirectional reciprocating motion. Such variations are not to be regarded as a departure from the spirit and scope of the invention.
Referring now to fig. 2 with continued reference to fig. 1, fig. 2 is a top view illustrating the construction of a driving system for a twin-tub washing machine according to the present invention. As shown in fig. 1 and 2, the second bidirectional transmission 6 further comprises a toggle switch 20 and a rotating bracket 21, the toggle switch 20 being capable of engaging the second gear 15 in two different positions. Preferably, the toggle switch 20 is pivotally mounted at one end of a rotating bracket 21, and the other end of the rotating bracket 21 is fixedly connected to the power take-off wheel 16. In the orientation of fig. 1, the rotating bracket 21 extends obliquely from the underside of the power take-off wheel 16 to above or at the edge of the second gear wheel 15, as long as the toggle switch 20 is enabled to engage with the second gear wheel 15. In this regard, it will be understood by those skilled in the art that the rotating bracket 21 and the power output wheel 16 may be integrally formed or separately connected, and on the other hand, the length of the toggle switch 20 and the diameter of the power output wheel 16 may be adjusted to make the toggle switch 20 directly connected to the power output wheel 16, and the installation manner of the toggle switch 20 on the power output wheel 16 is not limited to this embodiment as long as the toggle switch 20 can be engaged with the second gear 15.
With continuing reference to fig. 1 and 2, when the dual-tub washing machine needs to be adjusted to the simultaneous washing mode, the toggle switch 20 is toggled to the first position 22, so that the power output shaft of the driving device 4 runs clockwise (according to the orientation of fig. 2), which drives the first rotating shaft 10 to rotate clockwise, accordingly, the driving wheel 11 mounted on the first rotating shaft 10 drives the one-way ratchet 12 to rotate clockwise (or both of them rotate clockwise), the one-way ratchet 12 drives the dewatering tub of the dual-tub washing machine to rotate, and at the same time, the belt 8 transmits the one-way rotation power of the driving wheel 11 to the power input wheel 14, so that the first gear 15 connected to the power input wheel 14 rotates clockwise, the first gear 15 drives the power output wheel 16 to rotate clockwise through the toggle switch in the first position 22, and the power output wheel 16 then drives the connecting rod 17 and the rack 19 movably connected to the connecting rod 17 to reciprocate, the second gear 18 is continuously rotated forwards and backwards, so that the washing barrel is driven to reciprocate under the action of the speed reducer 9, and finally the double-barrel washing machine is simultaneously eluted under the action of the driving system.
When the double-drum washing machine needs to be adjusted to a single-off working mode, the toggle switch 20 is toggled to the second position 23, so that the power output shaft of the driving 4 rotates clockwise to drive the first rotating shaft 10 to rotate clockwise, correspondingly, the one-way ratchet wheel 12 arranged on the first rotating shaft 10 rotates clockwise, the one-way ratchet wheel 12 drives the dewatering drum of the double-drum washing machine to rotate, at the same time, the belt 8 transmits the unidirectional rotation power of the transmission wheel 11 to the power input wheel 14, so that the first gear 15 connected to the power input wheel 14 rotates clockwise, but at this time the toggle switch 20 is switched to the second position 23, the clockwise rotation of the gear 15 cannot drive the engaged toggle switch 20 to rotate therewith, therefore, the power output wheel 16 and the subsequent transmission part do not work, the washing tub does not run, and finally the double-tub washing machine realizes single-off operation under the action of the driving system.
When the double-tub washing machine needs to be adjusted to a single-washing mode, the toggle switch 20 is toggled to a second position 23, so that the power output shaft of the motor 4 rotates counterclockwise to drive the first rotating shaft 10 to rotate counterclockwise, and accordingly, the driving wheel 11 mounted on the first rotating shaft 10 rotates counterclockwise, but the one-way ratchet 12 does not transmit power at this time, so that the dewatering tub does not rotate, meanwhile, the belt 8 transmits the one-way counterclockwise rotation power of the driving wheel 11 to the power input wheel 14, so that the first gear 15 connected to the power input wheel 14 rotates counterclockwise, the first gear 15 drives the power output wheel 16 to rotate counterclockwise through the toggle switch at the second position 23, the power output wheel 16 then drives the connecting rod 17 and the rack 19 movably connected to the connecting rod 17 to reciprocate, and drives the second gear 18 to continuously rotate forward and backward, so that the washing tub is driven to rotate reciprocally under the action of the speed reducer 9, finally, the double-drum washing machine realizes single-washing operation under the action of the driving system.
In summary, in the embodiment of the present invention, the washing tub and the dewatering tub of the dual-tub washing machine are respectively disposed on the bidirectional rotating device and the first unidirectional transmission device of the driving system, when the driving device of the driving system provides a forward or reverse rotating force, the rotating force is selectively transmitted to the dewatering tub through the first unidirectional transmission device to operate the dewatering tub, and simultaneously, the second bidirectional transmission device of the driving system selectively transmits the power to the bidirectional rotating device and drives the washing tub to reciprocate through the bidirectional rotating device, so that the dual-tub washing machine using the driving system can realize three operation modes of single washing, single dewatering and simultaneous washing through one power source, thereby simplifying the design of the dual power sources of the conventional dual-tub washing machine and reducing the production cost of the washing machine.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (6)
1. A driving system for a dual tub washing machine,
it is characterized in that the driving system comprises a driving device, a first one-way transmission device, a second two-way transmission device and a two-way rotating device,
wherein the driving device is used for providing rotary power for the double-tub washing machine, the first one-way transmission device is connected with the driving device and is used for driving the dewatering tub of the double-tub washing machine to rotate, the second two-way transmission device is connected with the first one-way transmission device and is used for selectively transmitting the power of the first one-way transmission device backwards to the two-way transmission device, and the two-way transmission device is pivotally connected with the second two-way transmission device and is used for converting the one-way rotation from the second two-way transmission device into two-way reciprocating rotation so as to drive the washing tub of the double-tub washing machine to rotate in a reciprocating manner;
the first one-way transmission device is a one-way ratchet device, a rotating shaft of the one-way ratchet device is fixedly connected to the output end of the driving device, and the one-way ratchet device can only drive the dewatering barrel to rotate along one direction, so that the power of the driving device can be selectively transmitted to the dewatering barrel;
the second bidirectional transmission is a compound bidirectional ratchet gear, the compound bidirectional ratchet gear comprises a rotating shaft, a power input wheel, a power output wheel, a first gear and a toggle switch, the power input wheel, the power output wheel and the toggle switch are coaxially and pivotally connected to the rotating shaft, the first gear is fixedly connected with the power input wheel, the power input wheel is in transmission connection with the one-way ratchet gear so as to selectively receive power from the one-way ratchet gear, and the toggle switch can be engaged with the first gear in a first position or a second position so as to selectively enable the first gear to rotate together with the power output wheel;
the bi-directional rotating device includes a second gear connected to a washing tub of the double tub washing machine, and a rack member having one end engaged with the second gear and the other end pivotally connected to the power output wheel.
2. The drive system for a twin tub washing machine as recited in claim 1, wherein the second bidirectional transmission further includes a rotating bracket fixedly connected to or integrally formed with the power take off wheel, the toggle switch being pivotally connected to the rotating bracket for switching between the first position and the second position.
3. The drive system for a dual tub washing machine of claim 1 wherein the rack member includes a link and a rack, a first end of the link being pivotally connected to a first end of the rack, a second end of the link being pivotally connected to the power take off wheel, a second end of the rack being engaged with the gear.
4. A drive system for a twin-tub washing machine as claimed in any one of claims 1 to 3, characterized in that the drive means is an electric motor.
5. A drive system for a twin tub washing machine as claimed in claim 4 wherein the power input wheel is in belt or chain drive connection with the one way ratchet arrangement.
6. A twin-tub washing machine characterized by comprising the drive system of any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710358016.3A CN108950977B (en) | 2017-05-19 | 2017-05-19 | Double-drum washing machine and driving system thereof |
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| CN201710358016.3A CN108950977B (en) | 2017-05-19 | 2017-05-19 | Double-drum washing machine and driving system thereof |
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| CN108950977A CN108950977A (en) | 2018-12-07 |
| CN108950977B true CN108950977B (en) | 2022-01-04 |
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| CN111996734B (en) * | 2020-09-07 | 2021-06-15 | 安徽优定服装科技有限公司 | Steam ironing hole breaking machine for garment production |
| CN114717791B (en) * | 2022-03-17 | 2023-08-29 | 美的威灵电机技术（上海）有限公司 | Control method of clothes treatment device and device thereof |
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| CN204551068U (en) * | 2015-04-09 | 2015-08-12 | 安徽工程大学 | A kind of body-building energy-saving type foot-actuated washing machine |
| CN105369560A (en) * | 2014-08-14 | 2016-03-02 | 安徽聚隆传动科技股份有限公司 | Full-automatic washing machine |
| CN205258887U (en) * | 2015-12-09 | 2016-05-25 | 无锡小天鹅股份有限公司 | Two washtub washing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080236206A1 (en) * | 2007-03-26 | 2008-10-02 | Christiaan Johannes Diederiks | Independently operable washing and treating routine clothes washing machine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369560A (en) * | 2014-08-14 | 2016-03-02 | 安徽聚隆传动科技股份有限公司 | Full-automatic washing machine |
| CN204551068U (en) * | 2015-04-09 | 2015-08-12 | 安徽工程大学 | A kind of body-building energy-saving type foot-actuated washing machine |
| CN205258887U (en) * | 2015-12-09 | 2016-05-25 | 无锡小天鹅股份有限公司 | Two washtub washing machine |
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Effective date of registration: 20211122 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co., Ltd Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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