CN205304436U - Arrange water pump motor rotor - Google Patents
Arrange water pump motor rotor Download PDFInfo
- Publication number
- CN205304436U CN205304436U CN201521113881.4U CN201521113881U CN205304436U CN 205304436 U CN205304436 U CN 205304436U CN 201521113881 U CN201521113881 U CN 201521113881U CN 205304436 U CN205304436 U CN 205304436U
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- rotating shaft
- magnet steel
- boss
- backboard
- bearing
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Abstract
The utility model discloses an arrange water pump motor rotor, the pump body including rotor core and cladding rotor core, the rotor core includes pivot and magnet steel, the cover is equipped with the magnetic steel connection body in the pivot, the magnetic steel connection body includes preceding baffle and the backplate that sets up along pivot axial interval, and bushing through hugging closely the pivot between preceding baffle and the backplate is equipped with anti -skidding structure between sleeve pipe and the pivot, sets 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 between the baffle around and, the open end at the cylindric pump body is fixed through preceding supporting mechanism in the front portion of pivot. The arrange water pump motor rotor reliability that it had solved prior art effectively is low, the poor problem that just influences drain pump life of leakproofness. 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
This utility model relates to drainage pump of washing machine technical field, particularly relates to the rotor of a kind of draining pump motor.
Background technology
Cylinder magnet steel is simply fixed on draining pump motor shaft by the draining pump rotor of prior art mostly, and this fixed form is firm not, have impact on the reliability of draining pump; Secondly, owing to magnet steel fragility is bigger, the corner portion of cylindrical its both ends of the surface of magnet steel easily falls slag, thus the reliability of draining pump also can be affected, although now with rotor adopt integral coating magnet steel structure solve this problem, but magnet steel is dramatically increased by gap between its magnetic pole strength and stator after integral coating, have impact on the performance of motor. On the other hand, sealing ring is simply set on draining pump motor shaft and bearing bracket stand by the draining pump rotor sealing means of prior art simply, make the rotating shaft of motor and the current isolation of shell and impeller side, this sealing sealing structure effect is bad, the rotor of draining pump is easily intake, thus shortening 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 includes rotating shaft, and the front and back section of rotating shaft is cased with magnetic post and sliding sleeve respectively, and magnetic post and sliding sleeve all and are fixedly connected with between rotating shaft. Rotating shaft between magnetic post and sliding sleeve has bearing and chuck successively, and bearing and chuck all and are clearance fit between rotating shaft. The diameter of chuck is more than sliding sleeve. The side of sliding sleeve has axial fin, the lateral surface of axial fin to be arcwall face, and on axial fin, card has a shape cushion pad. Having wheel cover outside sliding sleeve, this wheel cover is cylindrical shape, and its medial surface has gear platform, and its lateral surface has blade. Being characterized in the one side that chuck is adjacent with sliding sleeve has cannelure, has sealing ring in cannelure, and wheel cover oral area coordinates in sealing shape by sealing ring with between chuck. Cylinder magnet steel is directly anchored on draining pump motor shaft by this draining pump rotor, and not only fixed form is firm not, and owing to magnet steel fragility is relatively big, the corner portion of cylindrical its both ends of the surface of magnet steel easily falls slag, have impact on the reliability of draining pump. The day for announcing is on July 4th, 2012, the Chinese patent document that notification number is CN101882828B discloses a kind of motor shaft sealing device, this device includes axle capsule body, end cap and lining, described axle envelope shell one end is arranged on electric motor end cap, the other end is provided with end cap, and described lining is enclosed within motor shaft, is provided with sealing member between described axle capsule body and lining;It is provided with in described end cap and allows the through hole of motor shaft traverse, described end cap stretches in the part in axle capsule body and is provided with the piston for squeeze sealing member between axle capsule body, described piston is circumferentially positioned in the part that end cap stretches in axle capsule body, is provided with the pressure port of pressure for providing piston press sealing member between described axle capsule body and end cap; It is provided with gap between described sealing member and lining; Described piston is provided with upper sealing ring on the contact surface between one end of end cap and axle capsule body; Described piston and end cap stretch in and are provided with lower seal on the contact surface between the part in axle capsule body; Described end cap and the contact surface of axle capsule body are provided with exterior seal ring; It is provided with inner seal ring between described axle capsule body and the contact surface of electric motor end cap; Described gasket end and motor shaft upper groove place are provided with tight loop; Middle sealing ring it is provided with in the middle part of described lining and between motor shaft. This device is applicable to deep well submerged pump, it is possible to prevent the water in the external world from entering motor internal preferably, but structure is complicated, costly.
Utility model content
The purpose of this utility model is for solving the problems referred to above that prior art exists, it is provided that a kind of draining pump rotor, and the draining pump rotor reliability to solve prior art is low, sealing is poor and the problem that affects draining pump service life.
This utility model be employed technical scheme comprise that by the above-mentioned technical problem of solution, a kind of draining pump rotor, the pump housing including rotor core and cladding rotor core, described rotor core includes rotating shaft and magnet steel, described rotating shaft is arranged with magnet steel connector, described magnet steel connector includes the front apron along the setting of rotating shaft axially spaced-apart and backboard, by being close to the telescopic joint of rotating shaft between front apron and backboard, anti-skid structure it is provided with between sleeve pipe and rotating shaft, between front apron and the backboard of outside of sleeve, described magnet steel is set, it is provided with disconnecting prevention structure between axial two ends and the front and rear baffle of magnet steel, described sleeve pipe, front apron and backboard are structure as a whole, cylindrically, the front portion of rotating shaft is fixed on the opening of the cylindric pump housing by front support mechanism to the pump housing of cladding rotor core, and the rear portion of rotating shaft is fixed on the bottom of the cylindric pump housing by rear support mechanism. this utility model is sheathed magnet steel connector in rotating shaft, by the fixing magnet steel of front apron, backboard and sleeve structure, and arranges anti-skid structure between sleeve pipe and rotating shaft, makes fixation between magnet steel and rotating shaft, additionally, it is provided with disconnecting prevention structure between axial two ends and the front and rear baffle of magnet steel, it is possible to prevent magnet steel edge to fall slag and affects reliability, it also avoid the problem that magnet steel integral coating is affected the performance of motor simultaneously, the draining pump rotor reliability solving prior art is low, the problem affecting draining pump service life.
As preferably, described front support mechanism includes being sheathed on the fore bearing that rotating shaft is anterior, being arranged with front sealing shroud on fore bearing, described fore bearing is cylindrical, is provided with and the inner core of fore bearing external shape fits in front sealing shroud, fore bearing fits in inner core, the outer sheathed fore bearing set of front sealing shroud, the periphery of front axle bearing sleeve is provided with retainer ring, and the pump housing is provided with the fixing 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 supporting the leading section of rotating 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 sealing waterproof to rotor shaft, outer circumferential side for sealing waterproof between rotor and the pump housing, inner core for disposing fore bearing sealing so that it is guaranteed that sealing waterproof between rotor and impeller;Ensure that the sealed waterproof effect of rotor so on the whole, the sealing structural electromotor rotor place solving prior art easily intakes, the problem affecting draining pump service life.
As preferably, rear support mechanism includes the rear bearing being sheathed on rotating shaft rear portion, rear bearing is arranged with rear sealing shroud, described rear bearing is cylindrical, it is provided with in rear sealing shroud and the inner core of rear bearing external shape fits, 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 supporting the rearward end of rotating shaft, and the periphery of rear axle bearing sleeve is fitted in the lock chamber of the pump housing by rear sealing shroud.
As preferably, the outer peripheral face of rotating shaft and casing-contact is provided with netted striped, and netted striped constitutes described anti-skid structure; Front and rear baffle is provided with, against its outward flange of one side of magnet steel, the turnup structure that cross section is triangular in shape, and turnup structure constitutes described disconnecting prevention structure. Netted striped can make rotating shaft and sleeve pipe combine closely, and makes magnet steel connector be tightly secured in rotating shaft. At front and rear baffle, cross section turnup structure triangular in shape is set against the one side of magnet steel and constitutes the fixing disconnecting prevention structure of magnet steel, simultaneously in the correspondence position chamfering of magnet steel, not only it is possible to prevent the central axis of magnet steel deviation rotating shaft, it is also possible to solve the problem that the corner portion of cylindrical its both ends of the surface of magnet steel easily falls slag.
As preferably, being equipped with tapering transition face between sleeve pipe and front apron and backboard, tapering transition is interval with dividing plate on face.
As preferably, front apron and be equipped with hole, location on backboard, front apron and the hole, location on backboard are three, and the hole, location of front apron and backboard is oppositely arranged. Hole, location 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 more 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 around the front adjustment ring of front boss, and the height of front adjustment ring is identical with front boss; The periphery of rear boss is provided around the rear adjustment ring of rear boss, and the rear height regulating ring is identical with rear boss, the rear width width more than front adjustment ring regulating ring, front and back adjustment ring be radially provided with a plurality of separation trough. It is can the rotary balance state of rotor be finely tuned that front and back regulate the effect of ring, by excising the adjustment ring of some position, the eccentric state being likely to occur in rotor machining process is adjusted, rotor is made to be in poised state, it is to avoid the appearance of the problems such as vibration, noise increase occurs because there is bias in rotor; Adjustment ring is separated into some segments by separation trough, it is possible to convenient adjustment.
As preferably, the front end of rotating shaft is provided with impeller fixed structure, and described impeller fixed structure is a plurality of groove in leading section being axially disposed within rotating shaft.
As preferably, magnet steel connector is POM plastic.
The beneficial effects of the utility model are: the draining pump rotor reliability that it efficiently solves prior art is low, sealing difference and the problem that affects draining pump service life. This utility model rotor structure is firm, reliability height, good airproof performance and long service life, has significantly high practical value.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation of this utility model rotor core;
Fig. 3 is a kind of structural representation of sealing shroud before this utility model;
Fig. 4 is a kind of structural representation of this utility model front axle bearing sleeve;
Fig. 5 is this utility model rotor core another kind structural representation.
In figure: 1. rotating shaft, 2. front apron, 3. backboard, 4. sleeve pipe, 5. anti-skid structure, 6. magnet steel, 7. disconnecting prevention structure, the 8. pump housing, 9. fore bearing, 10. front sealing shroud, 11. inner cores, 12. front axle bearing sleeves, 13. retainer ring, 14. fixing groove, 15. urceolus, 16. rear bearings, sealing shroud after 17., 18. tapering transition face, 19. dividing plates, 20. holes, location, 21. front boss, 22. rear boss, before 23., regulate ring, 24. separation troughs, 25. grooves.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing the detailed description of the invention of technical solutions of the utility model is further described.
Embodiment 1
In the such as embodiment 1 shown in Fig. 1 Fig. 2, a kind of draining pump rotor, the pump housing including rotor core and cladding rotor core, described rotor core includes rotating shaft 1 and magnet steel 6, described rotating shaft is arranged with magnet steel connector, magnet steel connector is POM plastic, described magnet steel connector includes the front apron 2 along the setting of rotating shaft axially spaced-apart and backboard 3, front apron and backboard are equipped with hole 20, location, hole, location on front apron and backboard is three, and the hole, location of front apron and backboard is oppositely arranged. Front apron is provided with circular front boss 21 away from its central authorities of one side of magnet steel, and the internal diameter of front boss is more than the diameter of rotating shaft; Backboard is provided with the rear boss 22 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 sleeve pipe 4 passing through to be close to rotating shaft between front apron with backboard is connected, and described sleeve pipe, front apron and backboard are structure as a whole; The outer peripheral face of rotating shaft and casing-contact is provided with the anti-skid structure 5 that netted striped is constituted, and is equipped with tapering transition face 18, tapering transition face is interval with dividing plate 19 between sleeve pipe and front apron and backboard; Between front apron and the backboard of outside of sleeve, described magnet steel is set, disconnecting prevention structure 7 it is provided with, the turnup structure that cross section that described disconnecting prevention structure is front and rear baffle to be arranged against its outward flange of one side of magnet steel is triangular in shape between axial two ends and the front and rear baffle of magnet steel. Cylindrically, the front portion of rotating shaft is fixed on the opening of the cylindric pump housing by front support mechanism to the pump housing 8 of cladding rotor core, and the rear portion of rotating shaft is fixed on the bottom of the cylindric pump housing by rear support mechanism. The front end of rotating shaft is provided with impeller fixed structure, and described impeller fixed structure is four grooves 25 being axially disposed within rotating shaft front end.
Front support mechanism includes being sheathed on the fore bearing 9 that rotating shaft is anterior, fore bearing is arranged with front sealing shroud 10(and sees Fig. 3), described fore bearing is cylindrical, the inner core 11 with fore bearing external shape fits it is provided with in front sealing shroud, fore bearing fits in inner core, the outer sheathed fore bearing set 12(of front sealing shroud is shown in Fig. 4), the periphery of front axle bearing sleeve is provided with retainer ring 13, the pump housing is provided with the fixing groove 14 with retainer ring clamping, the central authorities of front axle bearing sleeve are provided with urceolus 15, and front axle bearing sleeve is set on the inner core of front sealing shroud by urceolus. Rear support mechanism includes the rear bearing 16 being sheathed on rotating shaft rear portion, rear bearing is arranged with rear sealing shroud 17, described rear bearing is cylindrical, it is provided with in rear sealing shroud and the inner core of rear bearing external shape fits, 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.
Embodiment 2
The periphery of the front boss of embodiment 2 is provided around the front adjustment ring 23(of front boss and sees Fig. 5), the height of front adjustment ring is identical with front boss;The periphery of rear boss is provided around the rear adjustment ring (not shown in FIG.) of rear boss, the height of rear adjustment ring is identical with rear boss, the width of rear adjustment ring is more than the width of front adjustment ring, and what front and back regulated ring is radially provided with a plurality of separation trough 24, and all the other are identical with embodiment 1.
This utility model is sheathed magnet steel connector in rotating shaft, by the fixing magnet steel of front apron, backboard and sleeve structure, and arranges anti-skid structure between sleeve pipe and rotating shaft, makes fixation between magnet steel and rotating shaft; Additionally, it is provided with disconnecting prevention structure between axial two ends and the front and rear baffle of magnet steel, it is possible to prevent magnet steel edge to fall slag and affects reliability, it also avoid the problem that magnet steel integral coating is affected the performance of motor simultaneously, it is fixed in the opening of the cylindric pump housing by front and back supporting mechanism, good seal performance, the draining pump rotor reliability solving prior art is low, the problem affecting draining pump service life, has significantly high practical value.
Claims (10)
1. a draining pump rotor, the pump housing including rotor core and cladding rotor core, it is characterized in that, described rotor core includes rotating shaft (1) and magnet steel (6), described rotating shaft is arranged with magnet steel connector, described magnet steel connector includes the front apron (2) along the setting of rotating shaft axially spaced-apart and backboard (3), the sleeve pipe (4) passing through to be close to rotating shaft between front apron with backboard is connected, anti-skid structure (5) it is provided with between sleeve pipe and rotating shaft, between front apron and the backboard of outside of sleeve, described magnet steel is set, disconnecting prevention structure (7) it is provided with between axial two ends and the front and rear baffle of magnet steel, described sleeve pipe, front apron and backboard are structure as a whole, cylindrically, the front portion of rotating shaft is fixed on the opening of the cylindric pump housing by front support mechanism to the pump housing (8) of cladding rotor core, and the rear portion of rotating shaft is fixed on the bottom of the cylindric pump housing by rear support mechanism.
2. draining pump rotor according to claim 1, it is characterized in that: described front support mechanism includes being sheathed on the fore bearing (9) that rotating shaft is anterior, fore bearing is arranged with front sealing shroud (10), described fore bearing is cylindrical, the inner core (11) with fore bearing external shape fits it is provided with in front sealing shroud, fore bearing fits in inner core, the outer sheathed fore bearing set (12) of front sealing shroud, the periphery of front axle bearing sleeve is provided with retainer ring (13), the pump housing is provided with the fixing groove (14) with retainer ring clamping, the central authorities of front axle bearing sleeve are provided with urceolus (15), front axle bearing sleeve is set on the inner core of front sealing shroud by urceolus.
3. draining pump rotor according to claim 1, it is characterized in that: described rear support mechanism includes being sheathed on the rear bearing (16) at rotating shaft rear portion, rear bearing is arranged with rear sealing shroud (17), described rear bearing is cylindrical, it is provided with in rear sealing shroud and the inner core of rear bearing external shape fits, 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.
4. draining pump rotor according to claim 1, it is characterised in that: the outer peripheral face of rotating shaft and casing-contact is provided with netted striped, and netted striped constitutes described anti-skid structure; Front and rear baffle is provided with, against its outward flange of one side of magnet steel, the turnup structure that cross section is triangular in shape, and turnup structure constitutes described disconnecting prevention structure.
5. draining pump rotor according to claim 1, it is characterised in that: it is equipped with tapering transition face (18) between sleeve pipe and front apron and backboard, tapering transition face is interval with dividing plate (19).
6. draining pump rotor according to claim 1, it is characterised in that: front apron and backboard is equipped with location hole (20), front apron and the hole, location on backboard are three, and the hole, location of front apron and backboard is oppositely arranged.
7. draining pump rotor according to claim 1, it is characterised in that: front apron is provided with circular front boss (21) away from its central authorities of one side of magnet steel, and the internal diameter of front boss is more than the diameter of rotating shaft; Backboard is provided with the rear boss (22) 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.
8. draining pump rotor according to claim 7, it is characterised in that: the periphery of front boss is provided around the front adjustment ring (23) of front boss, and the height of front adjustment ring is identical with front boss; The periphery of rear boss is provided around the rear adjustment ring of rear boss, and the rear height regulating ring is identical with rear boss, the rear width width more than front adjustment ring regulating ring, front and back adjustment ring be radially provided with a plurality of separation trough (24).
9. draining pump rotor according to claim 1, it is characterised in that: the front end of rotating shaft is provided with impeller fixed structure, and described impeller fixed structure is a plurality of groove (25) being axially disposed within rotating shaft front end.
10. the draining pump rotor according to any one of claim 1-8, it is characterised in that: magnet steel connector is POM plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113881.4U CN205304436U (en) | 2015-12-28 | 2015-12-28 | Arrange water pump motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113881.4U CN205304436U (en) | 2015-12-28 | 2015-12-28 | Arrange water pump motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304436U true CN205304436U (en) | 2016-06-08 |
Family
ID=56474380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521113881.4U Active CN205304436U (en) | 2015-12-28 | 2015-12-28 | Arrange water pump motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205304436U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152751A (en) * | 2019-05-24 | 2019-08-23 | 南华大学 | A kind of electrical pipette rifle |
| CN111404305A (en) * | 2019-06-03 | 2020-07-10 | 电子科技大学中山学院 | New energy automobile motor end cover and bearing room structure |
| EP3891867A4 (en) * | 2018-12-04 | 2022-09-14 | Intex Industries Xiamen Co. Ltd | Rotor assemblies of water pumps |
-
2015
- 2015-12-28 CN CN201521113881.4U patent/CN205304436U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3891867A4 (en) * | 2018-12-04 | 2022-09-14 | Intex Industries Xiamen Co. Ltd | Rotor assemblies of water pumps |
| CN110152751A (en) * | 2019-05-24 | 2019-08-23 | 南华大学 | A kind of electrical pipette rifle |
| CN110152751B (en) * | 2019-05-24 | 2024-05-17 | 南华大学 | Electric pipette |
| CN111404305A (en) * | 2019-06-03 | 2020-07-10 | 电子科技大学中山学院 | New energy automobile motor end cover and bearing room structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |