CN107090698B - Washing machine drainage pump and washing machine - Google Patents
Washing machine drainage pump and washing machine Download PDFInfo
- Publication number
- CN107090698B CN107090698B CN201610090890.9A CN201610090890A CN107090698B CN 107090698 B CN107090698 B CN 107090698B CN 201610090890 A CN201610090890 A CN 201610090890A CN 107090698 B CN107090698 B CN 107090698B
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- Prior art keywords
- pump
- outlet
- drainage
- washing machine
- water
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
- D06F39/085—Arrangements or adaptations of pumps
Abstract
The invention discloses a draining pump of a washing machine and the washing machine, wherein the draining pump comprises a pump seat, a pump plug, a pump wheel, a motor and a pump cavity, a water inlet and a draining outlet are arranged on the pump cavity, a circulating outlet is also arranged on the pump cavity, and a switching mechanism is arranged between the draining outlet and the circulating outlet so as to selectively seal one of the draining outlet and the circulating outlet. The invention has the beneficial effects that: according to the invention, through improving the structure of the drainage pump, the drainage pump only has one driving motor, two paths of drainage are realized by utilizing two groups of springs, and the drainage is mutually independent and does not interfere with each other, so that the drainage pump has the advantages of simple structure, high assembly efficiency, high reliability, installation space in the washing machine, economy and practicability.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a draining pump of a washing machine and the washing machine.
Background
In the existing washing machines in the current market, the existing washing machines have poor dissolution of washing powder or washing liquid or low efficiency, and in some washing machines, a circulating pump needs to be added for increasing washing water circulation for improving washing, but the assembly complexity is greatly increased, and the problems of cost increase, poor reliability and the like occur.
In the prior art, chinese patent application No. 200520143401.9 discloses a washing machine capable of discharging waste water in two paths, which are reusable and non-reusable. A sliding plug type electric waste water three-way valve is arranged in a drainage loop of a washing machine, a water inlet, a sewage outlet and a recovered water outlet are arranged on a cylindrical shell of the valve, three ports are distributed in an F shape, a hollow sliding plug and a valve rod are arranged in the valve, a sliding plug return spring is sleeved on the valve rod, the outer end of the valve rod is connected with an electric tractor, the sewage outlet is closed when the sliding plug is in a static state, and the water inlet is unblocked with the recovered water outlet. Although the structure realizes two-way drainage, the structure occupies large space and needs manual operation.
In the prior art with the Chinese patent application number of 201010254895.3, the drainage pump of the washing machine comprises a motor, a pump shell, an impeller, a drainage pipeline and a circulating pipeline, wherein the motor is fixed at the bottom of the pump shell, the lower part of the pump shell is a pump cavity, the upper part of the pump shell is a water inlet, the impeller is positioned in the pump cavity of the pump shell and is fixed on a motor shaft of the motor, and the drainage pipeline and the circulating pipeline are arranged in the same direction, are respectively fixed at two sides of the pump shell and are both tangent to the inner wall of the pump cavity. The drainage pump also comprises an arc-shaped stop block, and the arc-shaped stop block is fixed at the joint of the drainage pipeline and the inner wall of the pump cavity. This structure realizes two-way drainage, but has poor reliability.
Therefore, the invention provides a draining pump of a washing machine and the washing machine, which are used for solving the technical problems of draining and circulating water of the washing machine in the prior art and are particularly provided.
Disclosure of Invention
The invention is based on one or more problems, and provides a draining pump of a washing machine and the washing machine, which can effectively solve the problems of two-way draining, mutually independent draining, non-interference influence and the like.
In order to achieve the technical purpose, the invention is realized by the following technical scheme:
a drainage pump comprises a pump base, a pump plug, a pump wheel, a motor and a pump cavity, wherein a water inlet and a drainage outlet are formed in the pump cavity, a circulation outlet is further formed in the pump cavity, and a switching mechanism is arranged between the drainage outlet and the circulation outlet to selectively seal one of the drainage outlet and the circulation outlet.
Further, a switching device is controlled by the pressure in the water chamber to selectively close one of the drain outlet and the circulation outlet.
Furthermore, the switching mechanism comprises a press buckle, a supporting seat and a second sealing plug; a first water outlet is formed in the supporting seat, and the lower end of the pressing buckle presses the first water outlet through a first sealing plug connected with a first spring; the second sealing plug is slidably mounted with the pump cavity through a second spring fixedly arranged at the lower end of the supporting seat or the first sealing plug, and a second water outlet and a third water outlet are formed in the second sealing plug; when the third water outlet is communicated with the circulating outlet, the first water outlet is in a closed state, and the second water outlet is disconnected from the drainage outlet; when the first water outlet is in an opening state, the second water outlet is communicated with the drainage outlet, and the third water outlet is disconnected with the circulating outlet.
Preferably, the pressing buckle is arranged at the drainage outlet, the supporting seat is fixedly arranged in the pump cavity, and the second sealing plug is arranged at the circulation outlet.
Preferably, the water inlet and the water discharge outlet are arranged on the side wall of the pump base in parallel, and the water discharge outlet and the circulation outlet are arranged on the same side of the pump base at a right angle.
Preferably, the second sealing plug is mounted to the lower end of the holder by the second spring.
Further, the second water outlet is arranged in the middle of the upper wall of the second sealing plug, and the second spring is arranged on the outer side of the second water outlet.
Further, the elastic coefficient of the second spring is smaller than that of the first spring.
Preferably, the second sealing plug is mounted to the lower end of the first sealing plug by the second spring.
Further, the second spring is arranged in the middle of the upper wall of the second sealing plug, and the second water outlet is arranged on the outer side of the second spring.
The invention also provides a washing machine, which comprises a shell, a washing barrel, a water inlet pipe and a circulating pipe, wherein the water inlet pipe and the circulating pipe are connected with the washing barrel, the draining pump is arranged on the shell, the water inlet is connected with the washing barrel, the draining outlet is connected with a draining pipe, and the circulating outlet is connected with the circulating pipe.
The invention has the beneficial effects that: according to the invention, through improving the structure of the drainage pump, the drainage pump only has one driving motor, two paths of drainage are realized by utilizing two groups of springs, and the drainage is mutually independent and does not interfere with each other, so that the drainage pump has the advantages of simple structure, high assembly efficiency, high reliability, installation space in the washing machine, economy and practicability.
Drawings
FIG. 1 is a front view of a sump pump according to the present invention;
FIG. 2 is a top view of a drain pump according to the present invention;
FIG. 3 is a cross-sectional view D-D shown in FIG. 2;
FIG. 4 is an enlarged partial view of one embodiment of a switching mechanism according to the present invention;
FIG. 5 is an enlarged partial view of another embodiment of a switching mechanism according to the present invention;
fig. 6 is a schematic structural view of a washing machine according to the present invention.
In the figure:
1. a pump plug; 2. a pump mount; 3. a pump chamber; 4. a pump impeller; 5. a motor; 6. a water inlet; 7. a drain outlet; 8. a recycle outlet; 9. a switching mechanism; 10. pressing and buckling; 11. a first spring; 12. a first sealing plug; 13. a first water outlet; 14. a second spring; 15. a second sealing plug; 16. a second water outlet; 17. a third water outlet; 18. a support base; 19. a washing box; 20. a control panel; 21. a housing; 22. doors and windows; 23. a shock absorbing damper; 24. draining pump; 25. a drain pipe; 26. a circulation pipe; 27. a washing tub; 28. and (4) a water inlet pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention.
As shown in fig. 1-3, a drainage pump includes a pump base 2, and a pump plug 1, a pump impeller 4, and a motor 5 disposed on the pump base 2, wherein a pump cavity 3 is disposed in the pump base 2, and a water inlet 6, a drainage outlet 7, and a circulation outlet 8 are disposed on the pump cavity 3; a switching mechanism 9 is arranged at the positions of the drainage outlet 7 and the circulation outlet 8, and the switching mechanism 9 comprises a press buckle 10, a support seat 18 and a second sealing plug 15; a first water outlet 13 is arranged on the supporting seat 18, and the first water outlet 13 is pressed by a first sealing plug 12 connected with the lower end of the pressing buckle 10 through a first spring 11; the second sealing plug 15 is slidably mounted with the pump chamber 3 through a second spring 14 fixedly arranged at the lower end of the supporting seat 18 or the first sealing plug 12, and a second water outlet 16 and a third water outlet 17 are arranged on the second sealing plug 15; when the third water outlet 17 is communicated with the circulating outlet, the first water outlet 13 is in a closed state, and the second water outlet 16 is disconnected from the drainage outlet 7; when the first water outlet 13 is in an open state, the second water outlet 16 is connected with the drainage outlet 7, and the third water outlet 17 is disconnected with the circulation outlet.
The water inlet 6 and the water discharge outlet 7 are arranged on the side wall of the pump base 2 in parallel, and the water discharge outlet 7 and the circulation outlet 8 are arranged on the same side of the pump base 2 and form a right angle.
In addition, the press button 10 is arranged at the drain outlet 7, the holder 18 is fixedly mounted in the pump chamber 3, and the second sealing plug 15 is arranged at the circulation outlet 8.
Based on the structure, the pump seat is used for fixing the drainage pump on the washing machine; the pump plug can seal the drainage pump; the water inlet can be connected to the outer cylinder through a rubber hose, and washing water or rinsing water in the outer cylinder is introduced into the drainage pump; the water outlet is connected with a water discharge pipe and used for discharging the washing water or the rinsing water out of the washing machine; the circulation outlet may be connected to a circulation pipe to circulate the washing water between the washing tub and the pump. The dissolving efficiency of the washing powder and the laundry detergent is improved, and the spraying effect is improved; a switching mechanism is provided between the circulation outlet and the drain outlet so that the drain pump chamber is in communication with either the circulation outlet or the drain outlet.
In one embodiment, as shown in fig. 4, the second sealing plug 15 is mounted on the lower end of the holder 18 by the second spring 14; the second water outlet 16 is arranged in the middle of the upper wall of the second sealing plug 15, and the second spring 14 is arranged outside the second water outlet 16; the elastic coefficient of the second spring 14 is smaller than that of the first spring 11.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
In particular implementation, the cycle water process is described:
the pump is started to run at a low speed or run in a counterclockwise direction, a small pressure P1 is formed in the drainage cavity of the drainage pump, the elasticity of the second spring is low, the pressure compresses the second spring to deform, the third water outlet on the second sealing plug can be moved to the position of the circulating outlet, and then the water in the drainage pump flows to the circulating outlet through the third water outlet of the second sealing plug and flows to the washing outer cylinder through the circulating pipe. At the moment, the elastic coefficient of the first spring is large, and the spring cannot deform, so that the first water outlet is sealed.
In the specific implementation, the drainage process is described as follows:
the pump is started, running at high speed, or in a clockwise direction, creating a greater pressure P2 in the chamber of the drain pump, the second spring continuing to compress, causing the third outlet position to move upward, sealing the circulation outlet. The first sealing plug can be opened by large pressure, and then the water in the drainage pump flows through the second water outlet, the first water outlet to the drainage outlet and flows through the drainage pipe to the outside of the washing machine.
In one embodiment, as shown in fig. 5, the second sealing plug 15 is mounted to the lower end of the first sealing plug 12 by the second spring 14; the second spring 14 is arranged in the middle of the upper wall of the second sealing plug 15, and the second water outlet 16 is arranged outside the second spring 14.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
In particular implementation, the cycle water process is described:
when the pump is started and runs at a low speed or runs in a counterclockwise direction, a small pressure P1 is formed in the drainage chamber of the drainage pump, which is not enough to deform the second spring, so that the water in the drainage pump flows to the circulation outlet through the third water outlet of the second sealing plug and flows to the washing outer cylinder through the circulation pipe. At the moment, the first springs connected in parallel cannot deform, so that the water outlet is sealed.
Description of the drainage process:
in one embodiment, the pump is started to operate at high speed, or in a clockwise direction, creating a greater pressure P2 in the sump pump chamber of the drain pump, and the second spring continues to compress, causing the third outlet position to move upward, sealing the circulation outlet. The first sealing plug can be opened by large pressure, and then the water in the drainage pump flows through the second water outlet, the first water outlet to the drainage outlet and flows through the drainage pipe to the outside of the washing machine.
The invention also discloses a washing machine, which comprises a shell 21, a door and window 22, a washing box 19, a control panel 20, a washing barrel 27 in the shell, a water inlet pipe 28 connected with the washing barrel 27, a circulating pipe 26 and a drainage pump 24, wherein the damping damper 23 matched with the door and window is also arranged in the shell; the water inlet 6 is connected with the washing tub 27, the water discharge outlet 7 is connected with the water discharge pipe 25, the circulation outlet 8 is connected with the circulation pipe 26, and the circulation pipe 26 is connected with the washing tub 27.
Therefore, the drainage pump can circulate the washing liquid in the washing outer cylinder through the circulation pipe and discharge the washing liquid or rinsing water to the outside of the washing machine.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
The above detailed description of the draining pump of the washing machine and the washing machine provided by the invention, and the specific examples applied herein, have been provided to explain the principle and the embodiments of the invention, and the above description of the examples is only used to help understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be a change in the specific implementation and application scope, and in summary, the content of the present specification is only an implementation of the present invention, and not a limitation to the scope of the present invention, and all equivalent structures or equivalent flow transformations made by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention. And should not be construed as limiting the invention.
Claims (7)
1. The utility model provides a washing machine drain pump, includes pump seat (2), pump stopper (1), pump impeller (4), motor (5) and pump chamber (3), be provided with water inlet (6), drainage outlet (7) on pump chamber (3), its characterized in that: a circulation outlet (8) is further arranged on the pump cavity (3), a switching mechanism (9) is arranged between the drainage outlet (7) and the circulation outlet (8), the switching mechanism (9) is controlled by using the pressure in the water cavity to selectively seal one of the drainage outlet (7) and the circulation outlet (8), the switching mechanism (9) comprises a press buckle (10), a supporting seat (18) and a second sealing plug (15), a first water outlet (13) is arranged on the supporting seat (18), and the lower end of the press buckle (10) is connected with a first sealing plug (12) through a first spring (11); the second sealing plug (15) is slidably mounted with the pump cavity (3) through a second spring (14) fixedly arranged at the lower end of the supporting seat (18) or the first sealing plug (12), and a second water outlet (16) and a third water outlet (17) are arranged on the second sealing plug (15); when the third water outlet (17) is communicated with the circulating outlet, the first water outlet (13) is in a closed state, and the second water outlet (16) is disconnected from the drainage outlet (7); when the first water outlet (13) is in an opening state, the second water outlet (16) is communicated with the drainage outlet (7), and the third water outlet (17) is disconnected with the circulating outlet.
2. A drain pump for a washing machine as claimed in claim 1, characterized in that: the press buckle (10) is arranged at the drainage outlet (7), the supporting seat (18) is fixedly arranged in the pump cavity (3), and the second sealing plug (15) is arranged at the circulation outlet (8).
3. A drain pump for a washing machine as claimed in claim 1, characterized in that: the water inlet (6) and the drainage outlet (7) are arranged on the side wall of the pump base (2) in parallel, and the drainage outlet (7) and the circulating outlet (8) are arranged on the same side of the pump base (2) and are arranged at a right angle.
4. A drain pump for a washing machine as claimed in claim 1, characterized in that: the second sealing plug (15) is mounted on the lower end of the support seat (18) through the second spring (14).
5. A sump pump according to claim 4, wherein: the second water outlet (16) is arranged in the middle of the upper wall of the second sealing plug (15), and the second spring (14) is arranged outside the second water outlet (16).
6. A drain pump for a washing machine as claimed in claim 5, characterized in that: the elastic coefficient of the second spring (14) is smaller than that of the first spring (11).
7. A washing machine characterized by: the drainage pump (24) is provided with a drainage pump (24) according to any one of claims 1 to 6, and comprises a shell (21) and a door and window (22) arranged on the shell (21), a washing box (19) and a control panel (20), wherein a washing barrel (27) is arranged inside the shell (21), the washing barrel (27) is respectively connected with one end of a water inlet pipe (28) and one end of a circulating pipe (26), the other end of the circulating pipe (26) is connected with the drainage pump (24), the drainage pump (24) is also connected with the washing barrel (27) through a drainage pipe (25), and a damping damper (23) matched with the door and window (22) is also arranged in the shell (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610090890.9A CN107090698B (en) | 2016-02-18 | 2016-02-18 | Washing machine drainage pump and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610090890.9A CN107090698B (en) | 2016-02-18 | 2016-02-18 | Washing machine drainage pump and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107090698A CN107090698A (en) | 2017-08-25 |
| CN107090698B true CN107090698B (en) | 2020-11-20 |
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ID=59646185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610090890.9A Active CN107090698B (en) | 2016-02-18 | 2016-02-18 | Washing machine drainage pump and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107090698B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835831A (en) * | 2018-08-15 | 2020-02-25 | 青岛海尔滚筒洗衣机有限公司 | Pump device and washing equipment equipped with same |
Citations (10)
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|---|---|---|---|---|
| FR2699645A1 (en) * | 1992-12-22 | 1994-06-24 | App Menagers Ind | Safety device for liquid circulation pipes, in particular for washing machine drain pipes. |
| JP2004044835A (en) * | 2002-07-09 | 2004-02-12 | Matsushita Electric Ind Co Ltd | Hot water pouring device to apparatus |
| CN2876135Y (en) * | 2005-11-18 | 2007-03-07 | 钱群壮 | Laundry machine |
| JP4193333B2 (en) * | 2000-06-02 | 2008-12-10 | 株式会社Ｉｎａｘ | Single shaft type valve |
| CN101532236A (en) * | 2008-03-14 | 2009-09-16 | 三星电子株式会社 | Circulation and drain system in a washing machine and a method thereof |
| CN102212955A (en) * | 2011-05-31 | 2011-10-12 | 南京乐金熊猫电器有限公司 | Water pump and washing machine provided with same |
| CN102373608A (en) * | 2010-08-16 | 2012-03-14 | 常州雷利电机科技有限公司 | Draining pump of washing machine |
| CN202671900U (en) * | 2012-07-09 | 2013-01-16 | 无锡小天鹅股份有限公司 | Draining pump for washing machine |
| CN203036010U (en) * | 2012-11-28 | 2013-07-03 | 海尔集团公司 | Motor-driven shunt valve and washing machine with motor-driven shunt valve |
| CN104061168A (en) * | 2013-03-22 | 2014-09-24 | 德昌电机(深圳)有限公司 | Pump |
-
2016
- 2016-02-18 CN CN201610090890.9A patent/CN107090698B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2699645A1 (en) * | 1992-12-22 | 1994-06-24 | App Menagers Ind | Safety device for liquid circulation pipes, in particular for washing machine drain pipes. |
| JP4193333B2 (en) * | 2000-06-02 | 2008-12-10 | 株式会社Ｉｎａｘ | Single shaft type valve |
| JP2004044835A (en) * | 2002-07-09 | 2004-02-12 | Matsushita Electric Ind Co Ltd | Hot water pouring device to apparatus |
| CN2876135Y (en) * | 2005-11-18 | 2007-03-07 | 钱群壮 | Laundry machine |
| CN101532236A (en) * | 2008-03-14 | 2009-09-16 | 三星电子株式会社 | Circulation and drain system in a washing machine and a method thereof |
| CN102373608A (en) * | 2010-08-16 | 2012-03-14 | 常州雷利电机科技有限公司 | Draining pump of washing machine |
| CN102212955A (en) * | 2011-05-31 | 2011-10-12 | 南京乐金熊猫电器有限公司 | Water pump and washing machine provided with same |
| CN202671900U (en) * | 2012-07-09 | 2013-01-16 | 无锡小天鹅股份有限公司 | Draining pump for washing machine |
| CN203036010U (en) * | 2012-11-28 | 2013-07-03 | 海尔集团公司 | Motor-driven shunt valve and washing machine with motor-driven shunt valve |
| CN104061168A (en) * | 2013-03-22 | 2014-09-24 | 德昌电机(深圳)有限公司 | Pump |
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