CN2863843Y - Draining pump for washing machine - Google Patents
Draining pump for washing machine Download PDFInfo
- Publication number
- CN2863843Y CN2863843Y CNU2005201072249U CN200520107224U CN2863843Y CN 2863843 Y CN2863843 Y CN 2863843Y CN U2005201072249 U CNU2005201072249 U CN U2005201072249U CN 200520107224 U CN200520107224 U CN 200520107224U CN 2863843 Y CN2863843 Y CN 2863843Y
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- CN
- China
- Prior art keywords
- mentioned
- rotating shaft
- impeller
- plug
- shaft plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- 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
-
- 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
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/08—Driving arrangements for the impeller
-
- 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
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/10—Impellers
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A drainage pump 1 comprises a pump housing 40 defining a suction inlet 42, a pumping chamber 44 and a delivery outlet 46, and a cover 32. An impeller 50 accommodated in the pump housing is driven by a motor 10. The impeller 50 comprises a shaft 52 coupled to an output shaft of the motor 10, large-radius vanes 60 in form of flat plates radially extending from the shaft 52, and small-radius vanes 54 continuous from the large-radius vanes 60. Outer circumferential edges of the large-radius vanes 60 are connected by a cylindrical wall member 64, and outer circumferential parts of lower edges of the large-radius vanes 60 are connected by an annular member 62. The cylindrical wall member 64 has a rounded portion 70 at its upper end, and the small-radius vanes 54 also have rounded portions 57 at their lower ends.
Description
Technical field
The utility model relates to a kind of draining pump for washing machine, and particularly a kind of draining pump for washing machine of following formation promptly reduces number of components to greatest extent, with simplified structure, and the rotation status that makes impeller becomes more stable, improves durability, reduces noise and vibration.
Background technology
In general, each production commercial city has the draining pump for washing machine of multiple shape and structure, and with reference to the accompanying drawings 1, in the past draining pump is described.
Fig. 1 is an example of existing draining pump, and as shown in Figure 1, above-mentioned draining pump is made of following parts: housing 111 is formed with impeller resettlement section 112 and rotor resettlement section 115 respectively along axis direction; Stator 117 around rotor resettlement section 115, is configured on the direction with the axis direction quadrature; Be contained in the rotor 121 in the rotor resettlement section 115; Rotating shaft 123 is with mode combination that can the one rotation along the axle center of rotor 121; In a side of above-mentioned housing 111, be formed with and make washings flow into suction inlet 114a in the impeller resettlement section 112, and, be formed with the outlet 114b that can discharge the washings that flowed in a side of impeller resettlement section 112.
In above-mentioned existing draining pump, for being combined into, above-mentioned rotating shaft 123 and impeller 127 can one rotate, be formed with the rotating shaft plug 125 that combines with above-mentioned rotating shaft 123 1 ends, with the plug resettlement section 128 that can accommodate above-mentioned rotating shaft plug 125, and have inwall from plug resettlement section 128 to middle section outstanding and with rotating shaft plug 125 interactional impeller plugs 129.
In addition, side at rotating shaft plug 125 is formed with projection, above-mentioned projection keeps certain rotation angle ranges and can be fixed on the direction of rotation with the impeller plug of giving prominence to from the inside of above-mentioned plug resettlement section 128 129, in addition, below rotating shaft plug 125,, be combined with anti-detachment parts 131 by method such as being pressed into along the axis direction of rotating shaft, above-mentioned anti-detachment parts 131 are disc-shape and cover the opening of plug resettlement section 128, in case uppermost leaf wheel 127 breaks away from from rotating shaft 123.
This existing drainage pump of washing machine, for the tripping force of guaranteeing that fully rotor has, make the rotating shaft plug with respect to the impeller plug with the configuration of staggering mutually of the mode of rotation angle range with regulation, thereby when rotating shaft plug and impeller plug contact, the impulsive force of its contact is big, so not only crackle and damage appear beyond the Great Wall in rotating shaft plug and impeller, and also can cause impact noise thus.
In order to address the above problem, the patent number of registration once proposed be 332797 Korea S application for a patent for invention.
Foregoing invention has been improved the shape of the rotating shaft plug and the impeller plug of existing draining pump, and between above-mentioned rotating shaft plug and impeller plug, be provided with the elastic deformation part of elastically deformable, thereby the rotating shaft plug is not directly contacted with the impeller plug, but one rotation after strain takes place the elastic deformation part, can prevent that thus the rotating shaft plug from contacting the damage that produces with the impeller plug because of impacting, and stop the generation noise.
But, though the foregoing invention patent application has the impact contact that can reduce when starting for No. 332797 and damage and the noise that produces, but its number of components increases, structure is also complicated, thereby has increased flow chart, especially when elastomeric element being arranged between rotating shaft plug and the impeller plug, need skilled operation, in the assembling parts process, exist cost to increase the cargo handling process complicated problems.
In addition, the structure that above-mentioned existing draining pump for washing machine adopts is, in the end of rotating shaft a side in conjunction with the impeller pivot, therefore the rapid variation of the moving direction of the fluid (draining) that moves to outlet from suction inlet, the instability that will cause the impeller rotation status exists the problem that produces vibration and noise thus.
The utility model content
The utility model proposes in order to solve above-mentioned existing problem points, its purpose is, a kind of draining pump for washing machine is provided, this draining pump for washing machine can reduce number of components to greatest extent, with simplified structure, and make the rotation status of impeller more stable, improve durability, reduce noise and vibration.
To achieve these goals, draining pump for washing machine of the present utility model has: the motor section 10 that produces revolving force; Be incorporated into the impeller 20 on the rotating shaft 11 of above-mentioned motor section 10; Rotating shaft plug 30 is formed at the bottom of above-mentioned impeller 20 and is combined on the above-mentioned rotating shaft 11, so that the revolving force of above-mentioned rotating shaft is passed to above-mentioned impeller 20; Be used to accommodate the impeller resettlement section 40 of above-mentioned impeller 20, it is characterized in that: above-mentioned rotating shaft plug 30 has lug boss 31, these lug boss 31 rounded shapes and position, one bonding part prolong to radial direction, and in order to combine with above-mentioned impeller 20, with face that above-mentioned impeller 20 combines on be formed with the circular fit projection 32 of certain diameter size, in the lower central of above-mentioned impeller 20, be formed with the rotating shaft plug fitting portion 23 that can make above-mentioned circular fit projection 32 chimeric.
Another feature of the present utility model is: the specified diameter size of above-mentioned circular fit projection 32 is littler than the diameter of above-mentioned rotating shaft plug 30.
Another being characterised in that of the present utility model: in the lower surface of above-mentioned impeller 20, be formed with and protrude sheet 22, and chimeric on the above-mentioned protrusion sheet 22 engaging part 21 arranged, above-mentioned engaging part 21 is integrally formed engaging shoulders 21 ', 21 at its both ends " elastomeric element; thereby when above-mentioned rotating shaft plug 30 was rotated, above-mentioned rotating shaft plug 30 was stuck in above-mentioned engaging shoulder 21 ' or engaging shoulder 21 " go up and with above-mentioned impeller 20 one rotation.
Another feature of the present utility model is: in an end 11 ' of above-mentioned rotating shaft 11, be fixed with the fixed cap (cap) 14 that is used for preventing that above-mentioned impeller 20 from moving to the direction of principal axis of above-mentioned rotating shaft 11.
Another feature of the present utility model is: the above-mentioned rotating shaft position that combines with above-mentioned rotating shaft plug 30 is the local intercepted shape of its outer peripheral face.
The circular fit projection 32 of the above-mentioned rotating shaft plug 30 of draining pump for washing machine of the present utility model is entrenched on the rotating shaft plug fitting portion 23 of above-mentioned impeller 20, thereby above-mentioned impeller 20 is combined on the rotating shaft 11 more securely with rotating shaft plug 30, and prevent the phenomenon of above-mentioned rotating shaft 11 fine motion to the left and right, thereby reduce noise and vibration.
In addition, draining pump for washing machine of the present utility model, above-mentioned engaging part 21 integrally formed above-mentioned engaging shoulders 21 ' or 21 "; and be entrenched on the tab-like protrusion sheet 22 that is formed in above-mentioned impeller 20 lower surface as elastomeric element; thereby simplify the structure; improved production efficiency; when above-mentioned rotating shaft plug 30 carries out the rotation of positive and negative direction by above-mentioned rotating shaft 11; absorb and be applied to above-mentioned engaging shoulder 21 ' or 21 " on impulsive force, thereby reduce noise and vibration, and can improve durability.
In addition, rotating shaft is configured to connect impeller, and therefore when impeller was rotated, even the phenomenon that has flow direction sharply to change, above-mentioned impeller also can carry out stable rotation, thereby can reduce vibration or noise.
[description of drawings]
Fig. 1 is the profile of existing draining pump for washing machine;
Fig. 2 is the profile of draining pump for washing machine of the present utility model;
Fig. 3 cuts open the profile of getting for the A-A line by Fig. 2;
Fig. 4 a, 4b are the schematic diagram according to the operating state of the direction of rotation of rotating shaft plug;
Fig. 5 a, 5b, 5c are the detailed structure schematic diagram of rotating shaft plug.
Label declaration
10: motor section 11: rotating shaft
14: fixed cap 20: impeller
21: engaging part 21 ', 21 ": the engaging shoulder
23: rotating shaft plug fitting portion 30: rotating shaft plug
31: lug boss 32: the circular fit projection
40: the impeller resettlement section
The specific embodiment
Below, with reference to accompanying drawing formation of the present utility model and effect are elaborated.
Fig. 2 is the profile of draining pump for washing machine of the present utility model, Fig. 3 cuts open the profile of getting for the A-A line by Fig. 2, Fig. 4 a, 4b are the operating state schematic diagram according to rotating shaft plug direction of rotation, Fig. 5 a is for seeing the vertical view of rotating shaft plug from the impeller faying face, 5b is the side view of above-mentioned rotating shaft plug, and 5c is the stereogram of above-mentioned rotating shaft plug.
As shown in Figure 2, the utlity model has: the motor section 10 that produces revolving force; Be incorporated into the impeller 20 on the rotating shaft 11 of above-mentioned motor section 10; Rotating shaft plug 30 is formed at the bottom of above-mentioned impeller 20 and is combined on the above-mentioned rotating shaft 11, so that the revolving force of above-mentioned rotating shaft is passed to above-mentioned impeller 20; Impeller resettlement section 40 is used to accommodate above-mentioned impeller 20.The motor that is contained in the above-mentioned motor section 10 that produces revolving force is preferably the synchronous motor that has certain revolving force and control positive and negative rotation easily.
For above-mentioned impeller 20 is set, make above-mentioned rotating shaft 11 connect the pivot of above-mentioned impeller 20, and for the revolving force that makes above-mentioned rotating shaft 11 does not directly impose on above-mentioned impeller 20, in the outer peripheral face of above-mentioned rotating shaft 11 and being connected between the inner peripheral surface of above-mentioned impeller 20, keep certain clearance.
In addition, on an end 11 ' of the rotating shaft that the pivot that connects above-mentioned impeller 20 also prolongs, be fixed with fixed cap 14.By said fixing lid 14 is set, above-mentioned impeller 20 moves being rotated the direction of principal axis of Shi Buhui to rotating shaft 11.Consider the rapidity of assembling operation and firm fixing, the outer peripheral face of rotating shaft one end 11 ' forms coarse surface, and fixed cap 14 is preferably fixed by mode such as being pressed into.Better method is, for make rotating shaft one end 11 ' and locking cap 14 in conjunction with more firm, the end face that is fixed with rotating shaft one end 11 ' of said fixing lid 14 on it is preferably formed and is, the intercepted shape of the part of its periphery.
In addition, above-mentioned rotating shaft plug 30 has lug boss 31, these lug boss 31 rounded shapes and position, one bonding part prolong to radial direction, and above-mentioned rotating shaft plug 30 in order to combine with above-mentioned impeller 20 with face that above-mentioned impeller 20 combines on be formed with the circular fit projection 32 (please refer to Fig. 5 a to Fig. 5 c) of certain diameter size, in addition, lower central at above-mentioned impeller 20, be formed with can chimeric above-mentioned circular fit projection 32 rotating shaft plug fitting portion 23, thereby the circular fit projection 32 of above-mentioned rotating shaft plug 30 is entrenched in the rotating shaft plug fitting portion 23 of above-mentioned impeller 20.
As mentioned above, because the circular fit projection 32 of above-mentioned rotating shaft plug 30 has the structure in the rotating shaft plug fitting portion 23 that is entrenched in above-mentioned impeller 20, thereby above-mentioned impeller 20 and rotating shaft plug 30 are combined on the rotating shaft 11 more securely, and prevent to produce the phenomenon of above-mentioned rotating shaft 11 left and right sides fine motions, reduced noise and vibration.
In addition, the side in the lower surface of above-mentioned impeller 20 is formed with engaging part 21, so that can obtain revolving forces from above-mentioned rotating shaft plug 30.
With reference to accompanying drawing 3, the above-mentioned rotating shaft plug 30 that is formed at above-mentioned impeller 20 bottoms is carried out following explanation with the structure that above-mentioned impeller 20 combines.
As shown in Figure 3, on above-mentioned rotating shaft 11, chimeric and be fixed with and have the rotating shaft plug 30 that applies the structure of revolving force to the engaging part 21 of above-mentioned impeller 20, above-mentioned rotating shaft plug 30 forms as one with above-mentioned rotating shaft 11 and is rotated, and the revolving force of motor is passed to above-mentioned impeller 20.
Above-mentioned rotating shaft plug 30 is chimeric and be fixed on the rotating shaft 11, the position that is used for chimeric and fixing above-mentioned rotating shaft plug 30 of rotating shaft 11, the intercepted shape of a part that preferably is its outer peripheral face, guaranteeing the rapidity that combines operation of rotating shaft 11 and rotating shaft plug 30, and prevent that both break away from.
Chimeric and be fixed in above-mentioned rotating shaft plug 30 on the above-mentioned rotating shaft 11 and have the lug boss 31 that rounded shape and position, one bonding part prolong to radial direction, the extending length of above-mentioned lug boss 31 is equivalent to the length that can contact with above-mentioned engaging part 21 when above-mentioned rotating shaft 11 rotates.
In addition, above-mentioned engaging part 21 for the tab-like chimeric elastomeric element of protrusion sheet 22 that is formed on above-mentioned impeller 20 lower surface, and be formed with engaging shoulder 21 ', 21 at the both ends of above-mentioned engaging part 21 "; by above-mentioned engaging shoulder 21 ', 21 " engage the lug boss 31 of above-mentioned rotating shaft plug 30, thereby the revolving force to the above-mentioned rotating shaft 11 of above-mentioned impeller 20 transmission makes above-mentioned impeller 20 carry out the one rotation with above-mentioned rotating shaft plug 30.Above-mentioned elastomeric element preferably is made of the strong rubber components of ABRASION RESISTANCE.
Promptly, above-mentioned engaging part 21 forms engaging shoulder 21 ', 21 at its left and right side "; thus the lug boss 31 of above-mentioned rotating shaft plug 30 is fastened thereon when carrying out the rotation of positive and negative direction by above-mentioned rotating shaft 11, and make the revolving force of above-mentioned rotating shaft plug 30 can be passed to above-mentioned impeller 20.
As mentioned above, above-mentioned engaging part 21 integrally formed above-mentioned engaging shoulders 21 ', 21 "; and be entrenched on the tab-like protrusion sheet 22 that is formed in above-mentioned impeller 20 lower surface as elastomeric element; thereby simplify the structure, and improved production efficiency, in addition; when above-mentioned rotating shaft plug 30 carries out the rotation of positive and negative direction by above-mentioned rotating shaft 11; absorb and impose on above-mentioned engaging shoulder 21 ', 21 " impulsive force, thereby can reduce noise and vibration, and can improve durability.
Fig. 4 a, 4b are the operating state schematic diagram according to rotating shaft plug direction of rotation.Below with reference to Fig. 4 a and Fig. 4 b, the above-mentioned rotating shaft plug 30 in the utility model is passed to above-mentioned engaging part 21 with the revolving force of above-mentioned rotating shaft 11, so that the course of action that impeller 20 is rotated describes.
Draining pump for washing machine of the present utility model, when starter motor, the rotating shaft plug 30 of secure bond on electric machine rotational axis 11 carries out zero load rotation with certain anglec of rotation, be stuck in the engaging shoulder 21 ' or 21 of above-mentioned impeller 20 afterwards " on; thereby the revolving force of rotating shaft plug 30 is passed to impeller 20, so that impeller 20 is rotated.
When above-mentioned rotating shaft plug 30 starts and rotates, why keep certain zero load anglec of rotation (when electric motor starting, rotating shaft plug 30 is stuck in engaging shoulder 21 ' or 21 " before the anglec of rotation); to be in order fully guaranteeing in initial start stage under the state of motor-driven power; the initial stage rotation to impeller 20 applies impulsive force and transmits revolving force, to drive to guarantee the initial stage of carrying out smoothly.In initial start stage, the rotational resistance maximum of the impeller 20 that is in water, and because impeller is in the water that is mixed with foreign matter, so the frictional resistance on its surface of revolution can increase, by the characteristic of synchronous motor, if be subjected to excessive rotational resistance, to carry out reverse rotation, the initial stage of can not successfully finishing drives, therefore as mentioned above, by keeping certain zero load anglec of rotation, can guarantee the initial stage driving force.
In order to ensure the initial stage driving force, can the zero load anglec of rotation of rotating shaft plug 30 be arranged to various forms according to various conditions, if but the zero load anglec of rotation is excessive, then because of noise that excessive impulsive force caused and vibration, and the impulsive force that accumulated, can damage rotating shaft plug 30 and engaging shoulder 21 ' or 21 "; and if the above-mentioned zero load anglec of rotation is too small, then can not guarantee enough primary starting power, preferably adopt 180～235 degree sizes.
The assembling sequence of draining pump for washing machine of the present utility model is as follows: fixing rotating shaft plug 30 on the rotating shaft 11 of motor section 10, impeller 20 is entrenched on the rotating shaft 11, so that above-mentioned rotating shaft plug 30 can contact on direction of rotation with engaging part 21, then, the fixing said fixing lid 14 in the end of above-mentioned rotating shaft 11, pass to the direction of principal axis of rotating shaft 11 so that prevent above-mentioned impeller 20, finish assembling thus simply.
In addition, as mentioned above, impeller 20 constitutes, be rotated the package assembly that axle 11 connects, therefore when impeller 20 rotations, though fluid (draining) from suction inlet 41 under the flow direction that outlet 42 moves situation jumpy, impeller 20 also can stably be rotated.
Draining pump for washing machine of the present utility model has following advantage: reduce number of components, and simple in structure, thus shortened the manufacturing process and the assembling procedure of parts.
In addition, the circular fit projection 32 of the above-mentioned rotating shaft plug 30 of draining pump for washing machine of the present utility model is entrenched on the rotating shaft plug fitting portion 23 of above-mentioned impeller 20, thereby above-mentioned impeller 20 is combined on the rotating shaft 11 more securely with rotating shaft plug 30, and prevent the phenomenon of above-mentioned rotating shaft 11 fine motion to the left and right, thereby reduce noise and vibration.
In addition, draining pump for washing machine of the present utility model, above-mentioned engaging part 21 integrally formed above-mentioned engaging shoulders 21 ' or 21 "; and be entrenched on the tab-like protrusion sheet 22 that is formed in above-mentioned impeller 20 lower surface as elastomeric element; thereby simplify the structure; improved production efficiency; when above-mentioned rotating shaft plug 30 carries out the rotation of positive and negative direction by above-mentioned rotating shaft 11; absorb and be applied to above-mentioned engaging shoulder 21 ' or 21 " on impulsive force, thereby reduce noise and vibration, and can improve durability.
In addition, rotating shaft is configured to connect impeller, and therefore when impeller was rotated, even the phenomenon that has flow direction sharply to change, above-mentioned impeller also can carry out stable rotation, thereby can reduce vibration or noise.
Claims (5)
1. draining pump for washing machine, it has: the motor section (10) that produces revolving force; Impeller (20) is combined on the rotating shaft (11) of above-mentioned motor section (10); Rotating shaft plug (30) is formed at the bottom of above-mentioned impeller (20) and is combined on the above-mentioned rotating shaft (11), so that the revolving force of above-mentioned rotating shaft is passed to above-mentioned impeller (20); Accommodate the impeller resettlement section (40) of above-mentioned impeller (20),
It is characterized in that, above-mentioned rotating shaft plug (30) has the lug boss (31) that rounded shape and position, one bonding part prolong to radial direction, and above-mentioned rotating shaft plug (30) in order to combine with above-mentioned impeller (20) with face that above-mentioned impeller (20) combines on be formed with the circular fit projection (32) of certain diameter size, in addition, lower central in above-mentioned impeller (20) is formed with and can makes the chimeric rotating shaft plug fitting portion (23) of above-mentioned circular fit projection.
2. draining pump for washing machine according to claim 1 is characterized in that,
The specified diameter size of above-mentioned circular fit projection (32) is littler than the diameter of above-mentioned rotating shaft plug (30).
3. draining pump for washing machine according to claim 1 is characterized in that,
On the lower surface of above-mentioned impeller (20), be formed with and protrude sheet (22), go up the chimeric engaging part (21) that has at above-mentioned protrusion sheet (22), above-mentioned engaging part (21) is the elastomeric element that is formed with engaging shoulder (21 ', 21 ") at its both ends; at above-mentioned rotating shaft plug (30) when being rotated, and above-mentioned rotating shaft plug (30) fastens at above-mentioned engaging shoulder (21 ') or engaging shoulder (21 ") and goes up and rotate with above-mentioned impeller (20) one.
4. draining pump for washing machine according to claim 1 is characterized in that,
On an end (11 ') of above-mentioned rotating shaft (11), fixedly install and be useful on the fixed cap (14) that prevents that above-mentioned impeller (20) from moving to the direction of principal axis of above-mentioned rotating shaft (11).
5. according to any described draining pump for washing machine of claim 1 to 4, it is characterized in that,
The position that combines with above-mentioned rotating shaft plug (30) of above-mentioned rotating shaft is the intercepted shape of a part of its outer peripheral face.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020050021659 | 2005-07-26 | ||
| KR20-2005-0021659U KR200402886Y1 (en) | 2005-07-26 | 2005-07-26 | Drain Pump for Washing Machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2863843Y true CN2863843Y (en) | 2007-01-31 |
Family
ID=37676295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201072249U Expired - Fee Related CN2863843Y (en) | 2005-07-26 | 2005-09-01 | Draining pump for washing machine |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200402886Y1 (en) |
| CN (1) | CN2863843Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155432A (en) * | 2010-02-11 | 2011-08-17 | 浙江三花股份有限公司 | Liquid drainage device |
| CN101377200B (en) * | 2007-08-31 | 2013-01-09 | 日本电产三协株式会社 | Pump device and washing machine |
| WO2018014810A1 (en) * | 2016-07-19 | 2018-01-25 | 青岛海尔洗衣机有限公司 | Drainage pump and washing machine using drainage pump |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100778710B1 (en) | 2006-06-30 | 2007-11-22 | 주식회사 대우일렉트로닉스 | Structure for preventing secession of the pump impeller |
| KR200459982Y1 (en) | 2007-08-29 | 2012-04-26 | 삼성전자주식회사 | Drain pump for washing machine |
| KR101015128B1 (en) * | 2008-08-01 | 2011-02-16 | 박제곤 | Drain Pump for Washing Machine |
-
2005
- 2005-07-26 KR KR20-2005-0021659U patent/KR200402886Y1/en not_active IP Right Cessation
- 2005-09-01 CN CNU2005201072249U patent/CN2863843Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377200B (en) * | 2007-08-31 | 2013-01-09 | 日本电产三协株式会社 | Pump device and washing machine |
| CN102155432A (en) * | 2010-02-11 | 2011-08-17 | 浙江三花股份有限公司 | Liquid drainage device |
| WO2018014810A1 (en) * | 2016-07-19 | 2018-01-25 | 青岛海尔洗衣机有限公司 | Drainage pump and washing machine using drainage pump |
| US10837137B2 (en) | 2016-07-19 | 2020-11-17 | Qingdao Haier Washing Machine Co., Ltd. | Drain pump and washing machine using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200402886Y1 (en) | 2005-12-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070131 Termination date: 20110901 |