CN202065195U - Washing motor pump of dish-washing machine - Google Patents
Washing motor pump of dish-washing machine Download PDFInfo
- Publication number
- CN202065195U CN202065195U CN2010206176438U CN201020617643U CN202065195U CN 202065195 U CN202065195 U CN 202065195U CN 2010206176438 U CN2010206176438 U CN 2010206176438U CN 201020617643 U CN201020617643 U CN 201020617643U CN 202065195 U CN202065195 U CN 202065195U
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- motor
- end cover
- pump
- rotor shaft
- rotor
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Abstract
The utility model relates to a washing motor pump of a dish-washing machine, which comprises a motor capacitor, a motor front end cover, a motor rear end cover, a rotor shaft, a rotor, a stator, a lower pump body, a front pump case, an impeller and two bearings, wherein the rotor is arranged on the rotor shaft; the stator is matched and concentric with the rotor; the lower pump body is fixedly connected with the motor front end cover; the front pump case is fixedly connected with the lower pump body; the impeller is fixed at the extending end of the rotor shaft; and the two bearings are respectively arranged at both ends of the rotor shaft. The washing motor pump of the dish-washing machine is characterized in that the motor front end cover and the motor rear end cover are respectively made of aluminum alloy; the motor front end cover is provided with a front stopper opening; the motor rear end cover is provided with a rear stopper opening; the stator is arranged between the rear stopper opening and the front stopper opening, and is fixed with the motor front end cover and the motor rear end cover through fasteners; and the motor rear end cover is provided with a boss. The washing motor pump of the dish-washing machine also comprises a rubber damping ring arranged on the boss. The extending end of the rotor shaft is provided with a swing water ring. The washing motor pump of the dish-washing machine also comprises a static ring fixed at the extending end of the rotor shaft and used for mechanical seal. The washing motor pump of the dish-washing machine has the advantages of low noise, high motor efficiency, long motor service life, service reliability improvement and the like and can be widely suitable for the dish-washing machine with various models.
Description
Technical field
The utility model relates to a kind of dishwasher washing electric-motor pump, belongs to the improvement technology of existing dishwasher washing electric-motor pump.
Background technique
The electric-motor pump of dishwasher washing at present generally comprises compositions such as motor plastic stent, motor stator, rotor, motor shaft, lower pump body, static and dynamic sealing spare, impeller, last pump case, and lower pump body is connected by buckle with electric machine support.During installation, the end-face hole location of plastic stent and stator iron core, because the easy thermal distortion of plastic stent, the thermal distortion meeting of plastic stent produces the problem of screw loosening and motor stator and rotor decentraction, cause that the electric-motor pump noise is big, the life-span is short, simultaneously mechanical seal standard allows certain water and leaks, and enters in motor bearings and the motor windings after leaking as water, influence dishwasher and washs electric-motor pump working life.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned shortcoming, a kind of dishwasher washing electric-motor pump simple in structure, reliable is provided, the good concentricity of its stator and rotor, the electric-motor pump noise is less, noise is stable, no thermal distortion and screw loosening phenomenon, and lower pump body and motor front end cover screw are fastenedly connected, can not become flexible good rigidly; Can by slinger ring water be got rid of immediately if any leaking water, can not influence electrical machinery life, safe in utilization, the reliability height.
The technological scheme that realizes the utility model purpose is: it is a kind of dishwasher washing electric-motor pump, comprise motor electric capacity, back end cover for motor, motor front cover, rotor shaft, be located at rotor on the rotor shaft, cooperate with rotor and concentric stator, the lower pump body of fixedlying connected with the motor front cover, the front pump shell of fixedlying connected with lower pump body, be fixed on the impeller on the rotor shaft external part and be installed in the two bearings at rotor shaft two ends respectively, two bearings is installed in respectively on back end cover for motor and the motor front cover; It is characterized in that described back end cover for motor and motor front cover make by aluminum alloy, motor rear end cover be provided with the back seam, motor rear end cover be provided with the back seam, stator is installed between back seam and the preceding seam and fixes by fastening piece and motor front cover and back end cover for motor, covers at motor rear end and is provided with boss; Also comprise the rubber shock-absorbing circle, the rubber shock-absorbing circle is installed on the boss of rear end cover; The stretching of rotor shaft is equipped with the slinger ring that the water that may leak gets rid of on the end, slinger ring is arranged in lower pump body; Also comprise being fixed on the stationary ring that is used for mechanical seal on the rotor shaft external part, stationary ring is arranged in lower pump body.
Described fastening piece comprises bolt, be located at the nut on the bolt and be located on the bolt and be positioned at the pad of nut below.
Also comprise the axle snap ring and the bearing gasket that cooperate with described bearing; Rotor, rotor shaft, bearing (4), axle snap ring, bearing gasket are contained in the stator and between motor front cover and rear end cover, always dress up motor body.
Described motor electric capacity is installed fastening piece by electric capacity and is installed on the lateral frame of motor front cover, and motor and electric capacity are become one.
Screw is fastenedly connected between described lower pump body and the front cover, and lower pump body and front pump shell are integrally welded, forms the dishwasher washing electric-motor pump pump housing and sealing configuration.
The beneficial effects of the utility model are: because dishwasher washing electric-motor pump all is to be made by aluminum alloy owing to the forward and backward end cap of motor, and stator and rotor good concentricity; The rubber shock-absorbing circle is arranged on the boss of rear end cover, and slinger ring may leak water and get rid of, and protection motor stator winding, bearing are not intake; Lower pump body and motor front cover are fixed by fastening piece, and structural rigidity is good, can not become flexible; Motor electric capacity, pump housing integrated design; These structural feature makes that the washing motor pump noise is low, electric efficiency is high, electrical machinery life is long, and operational safety improves, and can be widely used in various model dishwashers.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the enlarged diagram of local A among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
As shown in Figure 1, 2, this dishwasher washing electric-motor pump patent working is as follows:
It is a kind of dishwasher washing electric-motor pump, comprise motor electric capacity 15, back end cover for motor 2, motor front cover 8, rotor shaft 11, be located at rotor 6 on the rotor shaft, cooperate with rotor and concentric stator 7, the lower pump body 22 of fixedlying connected with the motor front cover, the front pump shell 9 of fixedlying connected with lower pump body, be fixed on the impeller 19 on the rotor shaft external part and be installed in the two bearings 4 at rotor shaft two ends respectively, two bearings is installed in respectively on back end cover for motor and the motor front cover; Characteristics of the present utility model, back end cover for motor 2 and motor front cover 8 are made by aluminum alloy, cover at motor rear end and to be provided with back seam 2a, cover at motor rear end and to be provided with back seam 8a, stator 7 is installed between back seam and the preceding seam and fixes by fastening piece and motor front cover and back end cover for motor, can make stator and rotor keep reducing noise with one heart like this; Cover at motor rear end and to be provided with boss 2b; Also comprise rubber shock-absorbing circle 1, the rubber shock-absorbing circle is installed on the boss of rear end cover 2, and the rubber shock-absorbing circle plays the effect of buffering to the vibration of motor, effectively damping; The stretching of rotor shaft is equipped with the slinger ring 20 that the water that may leak gets rid of on the end, slinger ring is arranged in lower pump body 22, and slinger ring can get rid of the water that leaks, and stops water to flow in the winding of the bearing of motor and stator; Also comprise being fixed on the stationary ring 21 that is used for mechanical seal on the rotor shaft external part, stationary ring is arranged in lower pump body.Also comprise being installed in electric-motor pump earth tag 12 on the back end cover for motor 2, make the equal effective grounding of shell of the forward and backward end cap of motor, stator, rotor, motor electric capacity, guarantee safety.
Described fastening piece comprises bolt 18, be located at the nut 17 on the bolt and be located on the bolt and be positioned at the pad 16 of nut below, and bolt, nut and pad can be fastened on stator on motor front cover 8 and the back end cover for motor 2.
Also comprise the axle snap ring 5 and the bearing gasket 3 that cooperate with described bearing 4; Rotor 6, rotor shaft 11, bearing 4, axle snap ring 5, bearing gasket 3 are contained in the stator 7 and between motor front cover 8 and rear end cover 2, always dress up motor body.
Described motor electric capacity 15 is installed fastening piece by electric capacity and is installed on the lateral frame of motor front cover 8, and motor and electric capacity are become one.Electric capacity is installed fastening piece and is comprised bolt 13 and nut 14.
Claims (5)
1. a dishwasher washs electric-motor pump, comprise motor electric capacity, back end cover for motor, motor front cover, rotor shaft, be located at rotor on the rotor shaft, cooperate with rotor and concentric stator, the lower pump body of fixedlying connected with the motor front cover, the front pump shell of fixedlying connected with lower pump body, be fixed on the impeller on the rotor shaft external part and be installed in the two bearings at rotor shaft two ends respectively, two bearings is installed in respectively on back end cover for motor and the motor front cover; It is characterized in that described back end cover for motor (2) and motor front cover (8) make by aluminum alloy, motor rear end cover be provided with the back seam (2a), motor rear end cover be provided with the back seam (8a), stator (7) is installed between back seam and the preceding seam and fixes by fastening piece and motor front cover and back end cover for motor, covers at motor rear end and is provided with boss (2b); Also comprise rubber shock-absorbing circle (1), the rubber shock-absorbing circle is installed on the boss of rear end cover (2); The stretching of rotor shaft is equipped with the slinger ring (20) that the water that may leak gets rid of on the end, slinger ring is arranged in lower pump body (22); Also comprise being fixed on the stationary ring (21) that is used for mechanical seal on the rotor shaft external part, stationary ring is arranged in lower pump body.
2. dishwasher according to claim 1 washing electric-motor pump is characterized in that: described fastening piece comprises bolt (18), be located at the nut (17) on the bolt and be located on the bolt and be positioned at the pad (16) of nut below.
3. dishwasher washing electric-motor pump according to claim 1 is characterized in that: also comprise the axle snap ring (5) and the bearing gasket (3) that cooperate with described bearing (4); Rotor (6), rotor shaft (11), bearing (4), axle snap ring (5), bearing gasket (3) are contained in the stator (7) and are positioned between motor front cover (8) and the rear end cover (2), always dress up motor body.
4. dishwasher washing electric-motor pump according to claim 1, it is characterized in that: described motor electric capacity (15) is installed fastening piece by electric capacity and is installed on the lateral frame of motor front cover (8), and motor and electric capacity are become one.
5. dishwasher washing electric-motor pump according to claim 1, it is characterized in that: screw fastening (10) is connected between described lower pump body (22) and the front cover (8), lower pump body (22) is integrally welded with front pump shell (9), forms the dishwasher washing electric-motor pump pump housing and sealing configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206176438U CN202065195U (en) | 2010-11-22 | 2010-11-22 | Washing motor pump of dish-washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206176438U CN202065195U (en) | 2010-11-22 | 2010-11-22 | Washing motor pump of dish-washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065195U true CN202065195U (en) | 2011-12-07 |
Family
ID=45059059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206176438U Expired - Lifetime CN202065195U (en) | 2010-11-22 | 2010-11-22 | Washing motor pump of dish-washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202065195U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333175A (en) * | 2014-10-22 | 2015-02-04 | 广东威灵电机制造有限公司 | Motor and washer pump having same |
| WO2016061768A1 (en) * | 2014-10-22 | 2016-04-28 | 广东威灵电机制造有限公司 | Electric motor and washing pump having same |
| CN108113614A (en) * | 2017-12-13 | 2018-06-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine |
-
2010
- 2010-11-22 CN CN2010206176438U patent/CN202065195U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333175A (en) * | 2014-10-22 | 2015-02-04 | 广东威灵电机制造有限公司 | Motor and washer pump having same |
| WO2016061768A1 (en) * | 2014-10-22 | 2016-04-28 | 广东威灵电机制造有限公司 | Electric motor and washing pump having same |
| CN104333175B (en) * | 2014-10-22 | 2017-12-29 | 广东威灵电机制造有限公司 | Motor and there is its washing pump |
| CN108113614A (en) * | 2017-12-13 | 2018-06-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |