CN107904870A - Draining pump and there is its washing machine - Google Patents
Draining pump and there is its washing machine Download PDFInfo
- Publication number
- CN107904870A CN107904870A CN201710993745.6A CN201710993745A CN107904870A CN 107904870 A CN107904870 A CN 107904870A CN 201710993745 A CN201710993745 A CN 201710993745A CN 107904870 A CN107904870 A CN 107904870A
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- Prior art keywords
- piston
- cavity
- impeller
- pump case
- pump
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of draining pump and there is its washing machine, the draining pump includes：Pump case, the pump case is interior to have drainage cavity, and the pump case is equipped with the water inlet and water outlet connected with the drainage cavity；Piston component, the piston component are movably disposed in the pump case and are limited on the pump case and connected with the drainage cavity and the air storing cavity of variable volume；Impeller, the impeller are rotatably disposed within the drainage cavity；Driving device, the driving device are installed on the pump case and are sequentially connected with the impeller.Draining pump according to embodiments of the present invention, by setting piston component, and the air storing cavity of variable volume is limited with pump case using piston component, piston component is set to be moved according to the working condition of draining pump, so as to increase or reduce the volume of air storing cavity, ensure that current normally can be sucked and discharged, efficiently solve trapped gas problem, and then improve the work efficiency of draining pump.
Description
Technical field
The present invention relates to washing machine technology field, more particularly, to a kind of draining pump and has its washing machine.
Background technology
Washing machine in correlation technique carries out draining using the formula draining pump that raises up, and trapped gas phenomenon often occurs in draining pump,
There are a certain amount of air, impeller rotation i.e. in impeller cavity to cause draining pump can not by outside the water discharge cavity in cavity
Proper drainage.Accordingly, there exist improved demand.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art.For this reason, the present invention proposes a kind of row
Water pump, without trapped gas phenomenon during the draining pump work.
The present invention also proposes a kind of washing machine with above-mentioned draining pump.
The draining pump of embodiment according to a first aspect of the present invention, including：Pump case, the pump case is interior to have drainage cavity, described
Pump case is equipped with the water inlet and water outlet connected with the drainage cavity；Piston component, the piston component are movably disposed in
The pump case and being limited on the pump case is connected with the drainage cavity and the air storing cavity of variable volume；Impeller, the impeller
It is rotatably disposed within the drainage cavity；Driving device, the driving device are installed on the pump case and are driven with the impeller
Connection.
Draining pump according to embodiments of the present invention, is limited by setting piston component, and using piston component with pump case
The air storing cavity of variable volume, allows piston component to be moved according to the working condition of draining pump, so as to increase or reduce air storing cavity
Volume, ensure that current normally can be sucked and discharged, efficiently solve trapped gas problem, and then improve the work effect of draining pump
Rate.
According to one embodiment of present invention, the piston component includes：Piston, the piston are movably disposed in described
Pump case and the air storing cavity is limited on the pump case；Elastic component, the elastic component respectively with the pump case and the piston
Be connected and provide the elastic force that the piston is pushed to the drainage cavity.
Further embodiment according to the present invention, the pump case have piston mounting cylinder, and the piston mounting cylinder has end
Wall and the end wall are equipped with installing port, and the piston is assemblied in the mounting cylinder and is stretched out from the installing port, the bullet
Property part be arranged on the mounting cylinder in and be connected respectively with the piston and the mounting cylinder.
Further embodiment according to the present invention, the piston include：Bar portion, the bar portion pass through the installing port；
Head, the head are arranged on one end of the bar portion and outside the mounting cylinders；Sealing, the sealing are arranged on the bar
The other end in portion and in the mounting cylinder, the sealing limits the air storing cavity with the mounting cylinder.
Alternatively, the cross-sectional area on the head is more than the cross-sectional area of the installing port.
Alternatively, the periphery edge of the sealing is in sealing contact with the inner peripheral wall of the mounting cylinder.
Alternatively, the elastic component is the spring for being sheathed on the bar portion, and one end of the spring is against on the end wall
And the other end is against on the sealing.
Alternatively, the sealing is the first sealing ring for being sheathed on the bar portion.
Draining pump according to embodiments of the present invention further includes：Filter, the drainage cavity include the filter chamber to communicate with each other
And impeller cavity, the filter is arranged in the filter chamber and the impeller is rotatably disposed within the impeller cavity, the water inlet
Mouthful and the air storing cavity is connected respectively with the filter chamber and the water outlet is connected with the impeller cavity.
Further embodiment according to the present invention, the pump case include：Shell main body, the filter chamber and the impeller cavity shape
Into in the shell main body and the piston component and the shell main body limit the air storing cavity, the water inlet and it is described go out
The mouth of a river is formed at the shell main body, and the driving device is installed on the shell main body；End cap, the end cap are removably installed in
The shell main body and the capping drainage cavity.
Further, the filter is equipped with for sealing the gap between the filter and the shell main body
Second sealing ring.
The washing machine of embodiment according to a second aspect of the present invention, including the draining pump according to above-described embodiment.
Washing machine according to embodiments of the present invention, by using above-mentioned draining pump, it is ensured that washing machine proper drainage, from
And ensure washing machine and work normally.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the exploded view of draining pump according to embodiments of the present invention；
Fig. 2 is the pump case of draining pump according to embodiments of the present invention and the assembling figure of piston；
Fig. 3 is the pump case of draining pump according to embodiments of the present invention and the assembling figure of piston component, wherein piston component position
In retracted mode；
Fig. 4 is the sectional view of the line A-A along Fig. 3；
Fig. 5 is the front view of the structure shown in Fig. 3；
Fig. 6 is the pump case of draining pump according to embodiments of the present invention and the assembling figure of piston component, wherein piston component position
In elongation state；
Fig. 7 is the front view of the structure shown in Fig. 6；
Fig. 8 is the top view of the structure shown in Fig. 6；
Fig. 9 is the sectional view of the line B-B along Fig. 8；
Figure 10 is the sectional view of the line C-C along Fig. 8.
Reference numeral：
Draining pump 100,
Pump case 10, drainage cavity 101, filter chamber 1011, impeller cavity 1012, water inlet 102, water outlet 103, piston mounting cylinder
11, end wall 111, installing port 112, shell main body 12, end cap 13,
Piston component 20, air storing cavity 201, piston 21, bar portion 211, head 212, sealing (the first sealing ring) 213, bullet
Property part 22,
Impeller 30, driving device 40, filter 50, the second sealing ring 51.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Draining pump 100 according to embodiments of the present invention is described below with reference to Fig. 1-Figure 10.
As shown in Fig. 1-Figure 10, draining pump 100 according to embodiments of the present invention includes：Pump case 10, piston component 20, impeller
30 and driving device 40.
There is in pump case 10 drainage cavity 101, pump case 10 is equipped with water inlet 102 and water outlet 103, water inlet 102 with go out
The mouth of a river 103 is connected with drainage cavity 101 respectively.Piston component 20 is movably disposed in pump case 10, piston component 20 on pump case 10,
Air storing cavity 201 is limited with pump case 10, for storing the air in air storing cavity 201, air storing cavity 201 is connected with drainage cavity 101, and
The volume of air storing cavity 201 can change with the movement of piston component 20.Impeller 30 is rotatably disposed within drainage cavity 101.Drive
Dynamic device 40 is installed on pump case 10 and is sequentially connected with impeller 30, so as to drive impeller 30 to rotate.
During work, driving device 40 drives impeller 30 to rotate in certain direction, when impeller 30 quickly rotates, 30 band of impeller
Dynamic water flow rotary, drives the water being rotating to be thrown out of under the influence of centrifugal force, so that in the rotation of impeller 30 by impeller 30
Negative pressuren zone is formed at the heart, the water of water inlet 102 is sucked into drainage cavity 101, is then discharged from water outlet 103, and so on.
In the process, when current are full of whole drainage cavity 101, piston component 20 moves under the action of hydraulic pressure, with
Increase the volume of air storing cavity 201, so as in air transfer to the air storing cavity 201 bottled up in drainage cavity 101, will ensure that current can
Fill whole drainage cavity 101, such driving device 40 can form enough pressure differentials when driving impeller 30 to rotate, and then by water
Stream is discharged from water outlet 103, ensures that draining pump 100 can be with proper drainage.
Draining pump 100 according to embodiments of the present invention, by setting piston component 20, and uses piston component 20 and pump case
10 limit the air storing cavity 201 of variable volume, piston component 20 is moved according to the working condition of draining pump 100, so that
Increase or the volume for reducing air storing cavity 201, ensure that current normally can be sucked and discharged, efficiently solve trapped gas problem, into
And improve the work efficiency of draining pump 100.
As shown in Figure 3-Figure 5, according to one embodiment of present invention, piston component 20 includes：Piston 21 and elastic component 22.
Piston 21 is movably disposed in pump case 10, and piston 21 limits air storing cavity 201 on pump case 10.Elastic component 22 respectively with pump case
10 are connected with piston 21, when and provide piston 21 pushed to the elastic force of drainage cavity 101.
Specifically, when current enter in drainage cavity 101 from water inlet 102, piston 21 is under the action of hydraulic pressure to remote
The direction movement of drainage cavity 101, the volume of air storing cavity 201 gradually increases, so that the air bottled up in drainage cavity 101 is drained into storage
Air cavity 201, and then ensure that current can fill whole drainage cavity 101；After the water in drainage cavity 101 empties, elastic component 22 pushes away
Piston 21 is moved to drainage cavity 101, so that piston 21 is reset to initial position, and so on, is efficiently solved trapped gas and is asked
Topic, ensures 100 proper drainage of draining pump.
In some instances, pump case 10 has piston mounting cylinder 11, and piston mounting cylinder 11 has end wall 111 and end wall 111
Installing port 112 is equipped with, i.e. one end of piston mounting cylinder 11 is connected on pump case 10, and the other end forms free end, piston installation
Mouth 112 is formed in the free end of mounting cylinder 11, and piston 21 is assemblied in mounting cylinder 11 and is stretched out from installing port 112, elastic component 22
It is connected respectively in mounting cylinder 11 and with piston 21 and mounting cylinder 11, it is easy for installation.
In some instances, piston 21 includes：Bar portion 211, head 212 and sealing 213.Bar portion 211 is formed along vertical
The rod piece of direction extension, one end of bar portion 211 passes through installing port 112.Head 212 is arranged on one end of bar portion 211 and positioned at installation
Outside cylinder 11.Sealing 213 is arranged on the other end of bar portion 211 and in mounting cylinder 11, and sealing 213 is limited with mounting cylinder 11
Air storing cavity 201, is thus isolated from the outside by air storing cavity 201, ensures the opposing seal of air storing cavity 201.
In some specific examples, the cross-sectional area on head 212 is more than the cross-sectional area of installing port 112, i.e. piston 21 exists
In moving process, head 212 can realize spacing effect, ensure that one end of piston 21 is always positioned at outside mounting cylinder 11, and
Be conducive to the connection of piston 21 and miscellaneous part.
In some specific examples, the periphery edge of sealing 213 is in sealing contact with the inner peripheral wall of mounting cylinder.It is for example, close
The cross-sectional area in envelope portion 213 be more than bar portion 211 cross-sectional area, and the periphery wall of sealing 213 all the time with mounting cylinder 11
Perisporium is close to, so as to ensure the leakproofness of air storing cavity 201, avoids gas and liquid periphery wall and mounting cylinder from sealing 213
Leaked between 11 internal perisporium.
In some specific examples, elastic component 22 is the spring for being sheathed on bar portion 211, and one end of spring is against end wall 111
The upper and other end is against on sealing 213.When current enter in drainage cavity 101 from water inlet 102, work of the piston 21 in hydraulic pressure
Moved with lower to the direction away from drainage cavity 101, spring is gradually compressed and the volume of air storing cavity 201 gradually increases, so that will
The air bottled up in drainage cavity 101 drains into air storing cavity 201, and then ensures that current can fill whole drainage cavity 101；Work as drainage cavity
After water emptying in 101, spring promotes piston 21 to be moved to drainage cavity 101, so that piston 21 is reset to initial position.
Alternatively, sealing 213 is the first sealing ring for being sheathed on bar portion 211, simple in structure, easy for installation.
As shown in Fig. 1 and Fig. 8-Figure 10, the draining pump 100 of further embodiment further includes according to the present invention：Filter
50, drainage cavity 101 includes the filter chamber 1011 and impeller cavity 1012 that communicate with each other, water inlet 102 and air storing cavity 201 respectively with mistake
Filter chamber 1011 connects, and water outlet 103 is connected with impeller cavity 1012, and filter 50 is arranged in filter chamber 1011, and impeller 30 is rotatable
Ground is arranged on impeller cavity 1012.By setting filter 50 in filter chamber 1011, can filter from the water that water inlet 102 enters
The foreign matter such as soft flocks, prevent foreign matter from entering in impeller cavity 1012 normal work for influencing impeller 30 and driving device 40.
As shown in Fig. 1 and Figure 10, in some instances, pump case 10 includes：Shell main body 12 and end cap 13.Limit in shell main body 12
Filter chamber 1011 and impeller cavity 1012 are made, piston component 20 is arranged on shell main body 12 and piston component 20 is limited with shell main body 12
Air storing cavity 201, water inlet 102 and water outlet 103 are formed at shell main body 12, and driving device 40 and filter 50 are installed on shell main body
12.End cap 13 is removably installed in shell main body 12 and capping drainage cavity 101, can play the effect of fastening filter 50, pump
The structure of shell 10 is simple, compact, processes, is easy to manufacture, easy for installation.
In some optional examples, filter 50, which is equipped with, to be used to seal the gap between filter 50 and shell main body 12
The second sealing ring 51.Thereby guarantee that the leakproofness between filter 50 and shell main body 12, avoid water in pump drainage chamber 101 from
Leaked between filter 50 and shell main body 12.
The draining pump 100 of a specific embodiment according to the present invention is described with reference to Fig. 1-Figure 10.
As shown in Fig. 1-Figure 10, draining pump 100 include piston mounting cylinder 11, shell main body 12, end cap 13, piston component 20,
Impeller 30, driving device 40, filter 50.Wherein, driving device 40 is motor.
Piston mounting cylinder 11 is connected in shell main body 12 and shell main body 12 has water inlet 102 and water outlet 103, end cap 13
It is installed on shell main body 12.Drainage cavity 101 is defined in shell main body 12, drainage cavity 101 includes interconnected 1011 He of filter chamber
Impeller cavity 1012, filter 50 are installed in filter chamber 1011, and impeller 30 is installed in impeller cavity 1012 and by driving device 40
Driving rotates.
Piston component 20 includes piston 21 and spring, and one end of the bar portion 211 of piston 21 is connected with sealing 213, the other end
Head 212 is connected with, one end of bar portion 211 is stretched into piston mounting cylinder 11 and sealing 213 limits storage with piston mounting cylinder 11
Air cavity 201, the head 212 in bar portion 211 are exposed at outside piston mounting cylinder 11, and spring is set in bar portion 211 and is only against piston
Between mounting cylinder 11 and sealing 213.
When electrical power, motor impeller 30 rotates in certain direction, when 30 quick rotation of impeller, 30 band of impeller
Dynamic water flow rotary, drives the water being rotating to be thrown out of under the influence of centrifugal force, shape at the pivot of impeller 30 by impeller 30
Into negative pressuren zone, the water of water inlet 102 is sucked into impeller cavity 1012, then discharged from water outlet 103, so continuously
Work.
Meanwhile when current enter from water inlet 102, during full of whole drainage cavity 101, under the action of hydraulic pressure, piston 21
Move up, the air bottled up in drainage cavity 101 enters in air storing cavity 201, and air storing cavity 201 and impeller cavity 1012 are separation at this time
Space, so as to ensure that current can fill whole drainage cavity 101 (filter chamber 1011 and impeller cavity 1012) so that motor driven impeller
During 30 rotation, enough pressure differentials can be formed, last current are discharged from water outlet 103, and after current empty, piston 21 is by spring
Power under the action of be reset to initial position.It is so continuous, action is repeated, effectively solves the problems, such as trapped gas.
The washing machine (not shown) of embodiment according to a second aspect of the present invention, including the draining according to above-described embodiment
Pump 100.Since draining pump 100 according to embodiments of the present invention has above-mentioned technique effect, according to embodiments of the present invention
Washing machine also has above-mentioned technique effect, i.e., the structure of described washing machine is simple, without trapped gas phenomenon during draining, so as to ensure to do washing
Machine can proper drainage, improve drainage efficiency.
Other of washing machine according to embodiments of the present invention are formed and operated for those of ordinary skills
All it is known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment of the present invention or example.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (12)
- A kind of 1. draining pump (100), it is characterised in that including：Pump case (10), the pump case (10) is interior to have drainage cavity (101), and the pump case (10) is equipped with and the drainage cavity (101) water inlet (102) and water outlet (103) of connection；Piston component (20), the piston component (20) are movably disposed in the pump case (10) and in the pump case (10) upper limits Make and connected with the drainage cavity (101) and the air storing cavity of variable volume (201)；Impeller (30), the impeller (30) are rotatably disposed within the drainage cavity (101)；Driving device (40), the driving device (40) are installed on the pump case (10) and are sequentially connected with the impeller (30).
- 2. draining pump (100) according to claim 1, it is characterised in that the piston component (20) includes：Piston (21), the piston (21) are movably disposed in the pump case (10) and are limited on the pump case (10) described Air storing cavity (201)；Elastic component (22), the elastic component (22) are connected with the pump case (10) and the piston (21) and provide by described in respectively Piston (21) pushes the elastic force of the drainage cavity (101) to.
- 3. draining pump (100) according to claim 2, it is characterised in that the pump case (10) has piston mounting cylinder (11), the piston mounting cylinder (11) has end wall (111) and the end wall (111) is equipped with installing port (112), the piston (21) it is assemblied in the mounting cylinder (11) and is stretched out from the installing port (112), the elastic component (22) is arranged on the installation It is connected respectively in cylinder (11) and with the piston (21) and the mounting cylinder (11).
- 4. draining pump (100) according to claim 3, it is characterised in that the piston (21) includes：Bar portion (211), the bar portion (211) pass through the installing port (112)；Head (212), the head (212) are arranged on one end of the bar portion (211) and are located at the mounting cylinder (11) outside；Sealing (213), the sealing (213) are arranged on the other end of the bar portion (211) and are located at the mounting cylinder (11) Interior, the sealing (213) limits the air storing cavity (201) with the mounting cylinder (11).
- 5. draining pump (100) according to claim 4, it is characterised in that the cross-sectional area of the head (212) is more than institute State the cross-sectional area of installing port (112).
- 6. draining pump (100) according to claim 4, it is characterised in that the periphery of the sealing (213) along with it is described The inner peripheral wall of mounting cylinder (11) is in sealing contact.
- 7. draining pump (100) according to claim 4, it is characterised in that the elastic component (22) is to be sheathed on the bar The spring in portion (211), one end of the spring is against on the end wall (111) and the other end is against on the sealing (213).
- 8. draining pump (100) according to claim 4, it is characterised in that the sealing (213) is to be sheathed on the bar First sealing ring in portion (211).
- 9. the draining pump (100) according to any one of claim 1-8, it is characterised in that further include：Filter (50), the drainage cavity (101) include the filter chamber (1011) and impeller cavity (1012) to communicate with each other, the mistake Filter (50) is arranged in the filter chamber (1011) and the impeller (30) is rotatably disposed within the impeller cavity (1012), described Water inlet (102) and the air storing cavity (201) connected respectively with the filter chamber (1011) and the water outlet (103) with it is described Impeller cavity (1012) connects.
- 10. draining pump (100) according to claim 9, it is characterised in that the pump case (10) includes：Shell main body (12), the filter chamber (1011) and the impeller cavity (1012) are formed in the shell main body (12) and described Piston component (20) limits the air storing cavity (201), the water inlet (102) and the water outlet with the shell main body (12) (103) the shell main body (12) is formed at, the driving device (40) is installed on the shell main body (12)；End cap (13), the end cap (13) are removably installed in the shell main body (12) and the capping drainage cavity (101).
- 11. draining pump (100) according to claim 10, it is characterised in that the filter (50) is equipped with for close Seal second sealing ring (51) in the gap between the filter (50) and the shell main body (12).
- 12. a kind of washing machine, it is characterised in that including the draining pump (100) according to any one of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993745.6A CN107904870B (en) | 2017-10-23 | 2017-10-23 | Drain pump and washing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993745.6A CN107904870B (en) | 2017-10-23 | 2017-10-23 | Drain pump and washing machine with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107904870A true CN107904870A (en) | 2018-04-13 |
| CN107904870B CN107904870B (en) | 2020-02-18 |
Family
ID=61840655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710993745.6A Active CN107904870B (en) | 2017-10-23 | 2017-10-23 | Drain pump and washing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107904870B (en) |
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| CN110469541A (en) * | 2018-05-09 | 2019-11-19 | 德昌电机(深圳)有限公司 | A kind of draining pump and the washing machine using the draining pump |
| CN114073479A (en) * | 2020-08-21 | 2022-02-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washer drainage device and dish washer |
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|---|---|---|---|---|
| CN110469541A (en) * | 2018-05-09 | 2019-11-19 | 德昌电机(深圳)有限公司 | A kind of draining pump and the washing machine using the draining pump |
| CN114073479A (en) * | 2020-08-21 | 2022-02-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washer drainage device and dish washer |
| CN114073479B (en) * | 2020-08-21 | 2023-08-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washer drainage device and dish washer |
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| Publication number | Publication date |
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| CN107904870B (en) | 2020-02-18 |
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Effective date of registration: 20190807 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Applicant after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, New District, Jiangsu, No. 18 Applicant before: Wuxi Xiaotianer Co., Ltd. |
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