CN205297953U - Washing machine drain pump structure - Google Patents
Washing machine drain pump structure Download PDFInfo
- Publication number
- CN205297953U CN205297953U CN201521113871.0U CN201521113871U CN205297953U CN 205297953 U CN205297953 U CN 205297953U CN 201521113871 U CN201521113871 U CN 201521113871U CN 205297953 U CN205297953 U CN 205297953U
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- rotating shaft
- boss
- magnet steel
- rotor
- pump
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- 238000005406 washing Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims description 49
- 230000002265 prevention Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000153246 Anteros Species 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a washing machine drain pump structure, the pump body and pump cover including interconnect are equipped with feed liquor chamber and impeller cavity in, the cladding has the rotor in the pump body, and pump body periphery is equipped with the solenoid subassembly of drive rotor, and the front end of rotor is connected with the impeller subassembly, and the impeller subassembly sets up in the impeller cavity, and the plug screw is connected to the pump cover front end, is connected with filter shelf between plug screw and the partition dish, the rotor includes pivot and magnet steel, the cover is equipped with the magnetic steel connection body in the pivot, the magnetic steel connection body through bushing, is equipped with anti -skidding structure including preceding baffle and backplate between preceding baffle and the backplate between sleeve pipe and the pivot, set up between the preceding baffle in the sleeve pipe outside and the backplate the magnet steel, the axial both ends of magnet steel are equipped with anti -disengaging structure around and between the baffle. The utility model discloses rotor structure is firm, the reliability is high, the leakproofness well and long service life, very high practical value has.
Description
Technical field
The utility model relates to drainage pump of washing machine technical field, relates in particular to a kind of draining pump structure of washing machine.
Background technology
The washing machine drainage pump configuration of prior art is just fixed on cylindrical magnet steel on draining pump motor shaft mostly, and this fixed form is firm not, has affected the reliability of draining pump; Secondly, because magnet steel fragility is larger, the corner portion of cylindrical its both ends of the surface of magnet steel is easily fallen slag, thereby also can affect the reliability of draining pump, although the rotor having now adopts the structure of integral coating magnet steel to solve this problem, but magnet steel by integral coating after gap between its magnetic pole strength and stator significantly increase, affected the performance of motor. On the other hand, the drainage pump of washing machine sealing structure mode of prior art is just set in sealing ring on draining pump motor shaft and bearing bracket stand simply, make the rotating shaft of motor and the isolation of the current of shell and impeller side, this hermetically-sealed construction sealing effectiveness is bad, the rotor of draining pump is easily intake, thereby shortens the service life of draining pump. The day for announcing is on April 20th, 2011, and the Chinese patent document that notification number is CN201802680U discloses a kind of rotor for permanent magnet type water drainage pump, and it comprises rotating shaft, and in the front and back section of rotating shaft, cover has magnetic post and sliding sleeve respectively, and magnetic post all with between rotating shaft is connected mutually with sliding sleeve. In rotating shaft between magnetic post and sliding sleeve, have successively bearing and chuck, and bearing and chuck all with between rotating shaft are movable and coordinate. The diameter of chuck is greater than sliding sleeve. One side of sliding sleeve has axial fin, and axially the lateral surface of fin is arcwall face, and axially on fin, card has a shape cushion pad. It is cylindrical shape that there are wheel cover, this wheel cover in sliding sleeve outside, has gear platform on its medial surface, on its lateral surface, has blade. Be characterized in there is cannelure in one side that chuck and sliding sleeve are adjacent, in cannelure, have sealing ring, between wheel cover oral area and chuck, be sealing shape by sealing ring and coordinate. This washing machine drainage pump configuration is directly fixed on cylindrical magnet steel on draining pump motor shaft, and not only fixed form is firm not, and because magnet steel fragility is larger, the corner portion of cylindrical its both ends of the surface of magnet steel is easily fallen slag, has affected the reliability of draining pump. The day for announcing is on July 4th, 2012, notification number is that the Chinese patent document of CN101882828B discloses a kind of motor shaft sealing device, this device comprises shaft seal housing, end cap and lining, described shaft seal housing one end is arranged on electric motor end cap, the other end is provided with end cap, and described lining is enclosed within on motor shaft, between described shaft seal housing and lining, is provided with seal; In described end cap, be provided with the through hole that allows motor shaft pass, described end cap stretches between part in shaft seal housing and shaft seal housing and is provided with the piston for squeeze sealing member, described piston ring stretches in the part in shaft seal housing around being arranged on end cap, is provided with the pressure port of the pressure for piston squeeze sealing member is provided between described shaft seal housing and end cap; Between described seal and lining, be provided with gap; Described piston is near being provided with upper sealing ring on the contact-making surface between one end and the shaft seal housing of end cap; Described piston and end cap stretch on the contact-making surface between the part in shaft seal housing and are provided with lower seal; On the contact-making surface of described end cap and shaft seal housing, be provided with exterior seal ring; Between described shaft seal housing and the contact-making surface of electric motor end cap, be provided with inner seal ring; Described gasket end and motor shaft upper groove place are provided with tight loop; Between described lining middle part and motor shaft, be provided with middle sealing ring. This device is applicable to deep well submerged pump, can prevent preferably that extraneous water from entering motor internal, but complex structure, cost is very high.
Utility model content
The purpose of this utility model is the problems referred to above that exist for solving prior art, and a kind of washing machine drainage pump configuration is provided, and to solve, the drainage pump of washing machine reliability of prior art is low, sealing is poor and affect the draining pump problem in service life.
The utility model for solving the problems of the technologies described above adopted technical scheme is, a kind of washing machine drainage pump configuration, comprise the interconnective pump housing and pump cover, in pump cover, be provided with separator disc, pump cover interior separation is become admission chamber and impeller cavity by separator disc, admission chamber is communicated with respectively water inlet pipe and drainpipe with impeller cavity, in the pump housing, be coated with rotor, pump housing periphery is provided with the solenoid component that drives rotor, solenoid component comprises line bag and stator core, stator core takes the shape of the letter U structure and the obvolvent of upper end open position on the outer wall of the pump housing, the front end of rotor is connected with impeller assembly, impeller assembly is arranged in impeller cavity, pump cover front end connects plug screw, between plug screw and separator disc, be connected with filter stand, described rotor comprises rotating shaft and magnet steel, in described rotating shaft, be arranged with magnet steel connector, described magnet steel connector comprises the front apron and the backboard that arrange along rotating shaft axially spaced-apart, between front apron and backboard, be connected by the sleeve pipe of being close to rotating shaft, between sleeve pipe and rotating shaft, be provided with anti-skid structure, described magnet steel is set between the front apron of outside of sleeve and backboard, between the axial two ends of magnet steel and front and rear baffle, is provided with disconnecting prevention structure. the utility model is sheathed magnet steel connector in rotating shaft, by the fixing magnet steel of front apron, backboard and sleeve structure, and between sleeve pipe and rotating shaft, anti-skid structure is set, and makes fixation between magnet steel and rotating shaft, in addition, between the axial two ends of magnet steel and front and rear baffle, be provided with disconnecting prevention structure, can prevent that magnet steel edge from falling slag and affecting reliability, also avoided magnet steel integral coating to affect the problem of the performance of motor simultaneously, the drainage pump of washing machine structural reliability that has solved prior art is low, affects the draining pump problem in service life.
When draining pump work of the present utility model, driven by motor impeller, discharges the water in pump chamber. Line bag protects device by skeleton, enamel-covered wire, inserted sheet, temperature and capsulation material forms; Enamel-covered wire is wound on skeleton, and is connected with inserted sheet, temperature guarantor's device, produces magnetic field after energising; Stator core is to be formed by silicon steel sheet closed assembly; Iron core transmits coil magnetic field, and forms rotating excitation field at peritrochanteric, makes rotor; Rotor is made up of machine shaft and magnet steel (permanent magnet); Under the acting in conjunction of the online bag of rotor and stator core, rotate; Impeller sets is contained in the front end of machine shaft, in water pump drain chamber; Due to the ambiguity that turns to of (synchronously) motor, Impeller Design becomes straight chip, and no matter how motor direction of rotation can play a role in the drainage; In the pump housing, be the supporting body of the parts such as antero posterior axis bearing sleeve, rotor, impeller, and coordinate with stator core and line bag fastening, coordinate with pump cover and form pump chamber; Pump cover is made up of filter chamber and drain chamber, coordinates screw to fix with the pump housing, forms entirety with the pump housing, and filter chamber one end provides filter that screw thread and client's installing hole are installed, and drain chamber is symmetric design, and no matter vane rotary direction how can both draining; Filter is made up of filter stand, plug screw, is screwed in the filter chamber of pump cover by plug screw, needs the water of discharging through filter, then in drain chamber, prevents that foreign matter from affecting water pump and normally working.
As preferably, the pump housing of coated rotor is the cylindric of one end sealing, the front portion of rotating shaft is fixed on the openend of the cylindric pump housing by the front support mechanism of sealing, the rear portion of rotating shaft is fixed on the bottom of the cylindric pump housing by rear support mechanism, described sleeve pipe, front apron and backboard are structure as a whole.
As preferably, described front support mechanism comprises the fore bearing that is sheathed on rotating shaft front portion, on fore bearing, be arranged with front sealing shroud, described fore bearing is cylindrical, is provided with the inner core with fore bearing profile adaptation in front sealing shroud, fore bearing fits in inner core, the outer sheathed fore bearing cover of front sealing shroud, the periphery of front axle bearing sleeve is provided with retainer ring, and the pump housing is provided with the holddown groove with retainer ring clamping, the central authorities of front axle bearing sleeve are provided with urceolus, and front axle bearing sleeve is set on the inner core of front sealing shroud by urceolus. Fore bearing of the present utility model is for the leading section of supporting shaft, the periphery of front axle bearing sleeve is fixed on the pump housing of draining pump, the inner side of sealing shroud is for the water-tight to rotor shaft, outer circumferential side is for the water-tight between rotor and the pump housing, thereby inner core is for settling fore bearing sealing to guarantee the water-tight between rotor and impeller; Guaranteed so on the whole the sealed waterproof effect of rotor, the hermetically-sealed construction rotor place that has solved prior art easily intakes, and affects the draining pump problem in service life.
As preferably, rear support mechanism comprises the rear bearing that is sheathed on rotating shaft rear portion, on rear bearing, be arranged with rear sealing shroud, described rear bearing is cylindrical, in rear sealing shroud, be provided with the inner core with rear bearing profile adaptation, rear bearing fits in inner core, and the bottom of the cylindric pump housing is provided with rear sealing shroud lock chamber, and rear sealing shroud fits in lock chamber. Rear bearing is for the rearward end of supporting shaft, and the periphery of rear axle bearing sleeve fits in the lock chamber of the pump housing by rear sealing shroud.
As preferably, the outer peripheral face that rotating shaft contacts with sleeve pipe is provided with netted striped, and netted striped forms described anti-skid structure; Front and rear baffle is provided with cross section turnup structure triangular in shape near its outward flange of one side of magnet steel, and turnup structure forms described disconnecting prevention structure, is equipped with tapering transition face between sleeve pipe and front apron and backboard, on tapering transition face, is interval with dividing plate. Netted striped can make rotating shaft and sleeve pipe combine closely, and magnet steel connector is tightly fixed in rotating shaft. The fixing disconnecting prevention structure of cross section turnup structure formation magnet steel triangular in shape is set near the one side of magnet steel at front and rear baffle, while is in the correspondence position chamfering of magnet steel, not only can prevent that magnet steel from departing from the central axis of rotating shaft, the corner portion that can also solve cylindrical its both ends of the surface of magnet steel is easily fallen the problem of slag.
As preferably, on front apron and backboard, be equipped with locating hole, the locating hole on front apron and backboard is three, and the locating hole of front apron and backboard is oppositely arranged. Locating hole is for magnet steel location.
As preferably, front apron is provided with circular front boss away from its central authorities of one side of magnet steel, and the internal diameter of front boss is greater than the diameter of rotating shaft; Backboard is provided with the rear boss relative with front boss away from the one side of magnet steel, and the cross section size of rear boss is identical with front boss, and the height of rear boss is less than the height of front boss; The periphery of front boss is provided with the front adjustable ring around front boss, and the height of front adjustable ring is identical with front boss; The periphery of rear boss is provided with the rear adjustable ring around rear boss, and the height of rear adjustable ring is identical with rear boss, and the width of rear adjustable ring is greater than the width of front adjustable ring, and the footpath of front and back adjustable ring is upwards provided with many separation troughs. The effect of front and back adjustable ring is to finely tune the rotary balance state of rotor, by excising the adjustable ring of some position, the eccentric state that may occur in rotor machining process is regulated, make rotor in poised state, avoid rotor because there is the appearance eccentric and problems such as appearance vibration, noise increase; Adjustable ring is separated into some segments by separation trough, can conveniently regulate.
As preferably, the front end of rotating shaft is provided with impeller fixed structure, and described impeller fixed structure is many grooves of leading section that are axially disposed within rotating shaft.
The beneficial effects of the utility model are: the drainage pump of washing machine structural reliability that it has solved prior art is effectively low, and sealing is poor and affect the draining pump problem in service life. The utility model rotor structure is firm, and reliability is high, good airproof performance and long service life, has very high practical value.
Brief description of the drawings
Fig. 1 is a kind of perspective view of the utility model draining pump;
Fig. 2 is a kind of structure cutaway view of the utility model draining pump;
Fig. 3 is a kind of structural representation of the utility model draining pump rotor;
Fig. 4 is a kind of partial structurtes schematic diagram of the utility model rotor;
Fig. 5 is a kind of structural representation of sealing shroud before the utility model;
Fig. 6 is a kind of structural representation of the utility model front axle bearing sleeve;
Fig. 7 is the another kind of partial structurtes schematic diagram of the utility model rotor.
In figure: 1. pump cover, 2. separator disc, 3. admission chamber, 4. impeller cavity, 5. water inlet pipe, 6. drainpipe, 7. the pump housing, 8. line bag, 9. stator core, 10. impeller assembly, 11. plug screws, 12. filter framves, 13. rotating shafts, 14. magnet steel, 15. front aprons, 16. backboards, 17. sleeve pipes, 18. anti-skid structures, 19. disconnecting prevention structures, 20. fore bearings, 21. front sealing shrouds, 22. inner cores, 23. front axle bearing sleeves, 24. retainer rings, 25. holddown grooves, 26. urceolus, 27. rear bearings, 28. rear sealing shrouds, 29. tapering transition faces, 30. dividing plates, 31. locating holes, 32. front boss, 33. rear boss, 34. front adjustable rings, 35. separation troughs, 36. grooves.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings the detailed description of the invention of technical solutions of the utility model is further described.
Embodiment 1
In the embodiment 1 as shown in Fig. 1 Fig. 2, a kind of washing machine drainage pump configuration, comprise the interconnective pump housing and pump cover, in pump cover 1, be provided with separator disc 2, pump cover interior separation is become admission chamber 3 and impeller cavity 4 by separator disc, admission chamber is communicated with respectively water inlet pipe 5 and drainpipe 6 with impeller cavity, in the pump housing 7, be coated with rotor, pump housing periphery is provided with the solenoid component that drives rotor, solenoid component comprises line bag 8 and stator core 9, stator core takes the shape of the letter U structure and the obvolvent of upper end open position on the outer wall of the pump housing, the front end of rotor is provided with impeller fixed structure, described impeller fixed structure is many grooves 36 that are axially disposed within rotating shaft front end, many grooves of rotating shaft front end are for fixing impeller assembly 10, impeller assembly is arranged in impeller cavity, pump cover front end connects plug screw 11, between plug screw and separator disc, be connected with filter stand 12, described rotor comprises that rotating shaft 13 and magnet steel 14(are shown in Fig. 3), in described rotating shaft, be arranged with magnet steel connector, described magnet steel connector comprises the front apron 15 and backboard 16 that arrange along rotating shaft axially spaced-apart, between front apron and backboard, be connected by the sleeve pipe 17 of being close to rotating shaft, between sleeve pipe and rotating shaft, be provided with anti-skid structure 18, described anti-slipping mechanism is the netted striped (see figure 4) being arranged on the outer peripheral face that rotating shaft contacts with sleeve pipe, described magnet steel is set between the front apron of outside of sleeve and backboard, between the axial two ends of magnet steel and front and rear baffle, be provided with disconnecting prevention structure 19, described disconnecting prevention structure is one side its outward flange turnup structure that arrange, that cross section triangular in shape of front and rear baffle near magnet steel.
The pump housing of coated rotor is the cylindric of one end sealing, the front portion of rotating shaft is fixed on the openend of the cylindric pump housing by the front support mechanism of sealing, the rear portion of rotating shaft is fixed on the bottom of the cylindric pump housing by rear support mechanism, described sleeve pipe, front apron and backboard are structure as a whole, between sleeve pipe and front apron and backboard, be equipped with tapering transition face 29, on tapering transition face, be interval with dividing plate 30.
Front support mechanism comprises the fore bearing 20 that is sheathed on rotating shaft front portion, on fore bearing, be arranged with front sealing shroud 21(and see Fig. 5), described fore bearing is cylindrical, in front sealing shroud, be provided with the inner core 22 with fore bearing profile adaptation, fore bearing fits in inner core, the outer sheathed fore bearing cover 23(of front sealing shroud is shown in Fig. 6), the periphery of front axle bearing sleeve is provided with retainer ring 24, the pump housing is provided with the holddown groove 25 with retainer ring clamping, the central authorities of front axle bearing sleeve are provided with urceolus 26, and front axle bearing sleeve is set on the inner core of front sealing shroud by urceolus. Rear support mechanism comprises the rear bearing 27 that is sheathed on rotating shaft rear portion, on rear bearing, be arranged with rear sealing shroud 28, described rear bearing is cylindrical, in rear sealing shroud, be provided with the inner core with rear bearing profile adaptation, rear bearing fits in inner core, the bottom of the cylindric pump housing is provided with rear sealing shroud lock chamber, and rear sealing shroud fits in lock chamber.
On front apron and backboard, be equipped with locating hole 31, the locating hole on front apron and backboard is three, and the locating hole of front apron and backboard is oppositely arranged; Front apron is provided with circular front boss 32 away from its central authorities of one side of magnet steel, and the internal diameter of front boss is greater than the diameter of rotating shaft; Backboard is provided with the rear boss relative with front boss 33 away from the one side of magnet steel, and the cross section size of rear boss is identical with front boss, and the height of rear boss is less than the height of front boss.
Embodiment 2
In embodiment 2 as shown in Figure 7, the periphery of front boss is provided with around the front adjustable ring 34(of front boss sees Fig. 7), the height of front adjustable ring is identical with front boss; The periphery of rear boss is provided with the rear adjustable ring (not shown in FIG.) around rear boss, the height of rear adjustable ring is identical with rear boss, the width of rear adjustable ring is greater than the width of front adjustable ring, and the footpath of front and back adjustable ring is upwards provided with many separation troughs 35, and all the other are identical with embodiment 1.
The utility model is sheathed magnet steel connector in rotating shaft, by the fixing magnet steel of front apron, backboard and sleeve structure, and between sleeve pipe and rotating shaft, anti-skid structure is set, and makes fixation between magnet steel and rotating shaft; In addition, between the axial two ends of magnet steel and front and rear baffle, be provided with disconnecting prevention structure, can prevent that magnet steel edge from falling slag and affecting reliability, also avoided magnet steel integral coating to affect the problem of the performance of motor simultaneously, be fixed on by front and back supporting mechanism in the opening of the cylindric pump housing, good seal performance, the drainage pump of washing machine structural reliability that has solved prior art is low, affect the draining pump problem in service life, there is very high practical value.
Claims (9)
1. a washing machine drainage pump configuration, comprise the interconnective pump housing and pump cover, it is characterized in that, in pump cover (1), be provided with separator disc (2), pump cover interior separation is become admission chamber (3) and impeller cavity (4) by separator disc, admission chamber is communicated with respectively water inlet pipe (5) and drainpipe (6) with impeller cavity, the pump housing is coated with rotor in (7), pump housing periphery is provided with the solenoid component that drives rotor, solenoid component comprises line bag (8) and stator core (9), stator core takes the shape of the letter U structure and the obvolvent of upper end open position on the outer wall of the pump housing, the front end of rotor is connected with impeller assembly (10), impeller assembly is arranged in impeller cavity, pump cover front end connects plug screw (11), between plug screw and separator disc, be connected with filter stand (12), described rotor comprises rotating shaft (13) and magnet steel (14), in described rotating shaft, be arranged with magnet steel connector, described magnet steel connector comprises the front apron (15) and backboard (16) that arrange along rotating shaft axially spaced-apart, between front apron and backboard, be connected by the sleeve pipe (17) of being close to rotating shaft, between sleeve pipe and rotating shaft, be provided with anti-skid structure (18), described magnet steel is set between the front apron of outside of sleeve and backboard, between the axial two ends of magnet steel and front and rear baffle, is provided with disconnecting prevention structure (19).
2. washing machine drainage pump configuration according to claim 1, it is characterized in that: the pump housing of coated rotor is the cylindric of one end sealing, the front portion of rotating shaft is fixed on the openend of the cylindric pump housing by the front support mechanism of sealing, the rear portion of rotating shaft is fixed on the bottom of the cylindric pump housing by rear support mechanism, described sleeve pipe, front apron and backboard are structure as a whole.
3. washing machine drainage pump configuration according to claim 2, it is characterized in that: described front support mechanism comprises the fore bearing (20) that is sheathed on rotating shaft front portion, on fore bearing, be arranged with front sealing shroud (21), described fore bearing is cylindrical, in front sealing shroud, be provided with the inner core (22) with fore bearing profile adaptation, fore bearing fits in inner core, the outer sheathed fore bearing cover (23) of front sealing shroud, the periphery of front axle bearing sleeve is provided with retainer ring (24), the pump housing is provided with the holddown groove (25) with retainer ring clamping, the central authorities of front axle bearing sleeve are provided with urceolus (26), front axle bearing sleeve is set on the inner core of front sealing shroud by urceolus.
4. washing machine drainage pump configuration according to claim 2, it is characterized in that: described rear support mechanism comprises the rear bearing (27) that is sheathed on rotating shaft rear portion, on rear bearing, be arranged with rear sealing shroud (28), described rear bearing is cylindrical, in rear sealing shroud, be provided with the inner core with rear bearing profile adaptation, rear bearing fits in inner core, and the bottom of the cylindric pump housing is provided with rear sealing shroud lock chamber, and rear sealing shroud fits in lock chamber.
5. washing machine drainage pump configuration according to claim 1, is characterized in that: the outer peripheral face that rotating shaft contacts with sleeve pipe is provided with netted striped, and netted striped forms described anti-skid structure; Front and rear baffle is provided with cross section turnup structure triangular in shape near its outward flange of one side of magnet steel, turnup structure forms described disconnecting prevention structure, between sleeve pipe and front apron and backboard, be equipped with tapering transition face (29), on tapering transition face, be interval with dividing plate (30).
6. washing machine drainage pump configuration according to claim 1, is characterized in that: on front apron and backboard, be equipped with locating hole (31), the locating hole on front apron and backboard is three, and the locating hole of front apron and backboard is oppositely arranged.
7. washing machine drainage pump configuration according to claim 1, is characterized in that: front apron is provided with circular front boss (32) away from its central authorities of one side of magnet steel, and the internal diameter of front boss is greater than the diameter of rotating shaft; Backboard is provided with the rear boss relative with front boss (33) away from the one side of magnet steel, and the cross section size of rear boss is identical with front boss, and the height of rear boss is less than the height of front boss.
8. washing machine drainage pump configuration according to claim 7, is characterized in that: the periphery of front boss is provided with the front adjustable ring (34) around front boss, and the height of front adjustable ring is identical with front boss; The periphery of rear boss is provided with the rear adjustable ring around rear boss, and the height of rear adjustable ring is identical with rear boss, and the width of rear adjustable ring is greater than the width of front adjustable ring, and the footpath of front and back adjustable ring is upwards provided with many separation troughs (35).
9. according to the washing machine drainage pump configuration described in claim 1-8 any one, it is characterized in that: the front end of rotating shaft is provided with impeller fixed structure, described impeller fixed structure is many grooves (36) that are axially disposed within rotating shaft front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113871.0U CN205297953U (en) | 2015-12-28 | 2015-12-28 | Washing machine drain pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113871.0U CN205297953U (en) | 2015-12-28 | 2015-12-28 | Washing machine drain pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297953U true CN205297953U (en) | 2016-06-08 |
Family
ID=56474363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521113871.0U Expired - Fee Related CN205297953U (en) | 2015-12-28 | 2015-12-28 | Washing machine drain pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718882A (en) * | 2022-04-19 | 2022-07-08 | 宁波君禾智能科技有限公司 | DC centrifugal garden pump |
-
2015
- 2015-12-28 CN CN201521113871.0U patent/CN205297953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718882A (en) * | 2022-04-19 | 2022-07-08 | 宁波君禾智能科技有限公司 | DC centrifugal garden pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |