CN218352317U

CN218352317U - Plastic packaging motor

Info

Publication number: CN218352317U
Application number: CN202222612064.XU
Authority: CN
Inventors: 邢霞君
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-20
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a plastic envelope motor, relate to motor technical field, including the plastic envelope stator, the inside of plastic envelope stator is provided with the rotor connecting piece, be provided with slide bearing between rotor connecting piece and the plastic envelope stator, be provided with the felt packing ring between slide bearing's top surface and the plastic envelope stator, the adoption is provided with slide bearing between plastic envelope stator and rotor connecting piece, be connected through gliding mode between slide bearing and rotor connecting piece and the plastic envelope stator, and the oil filler point has been seted up on the surface of back encapsulation lid, the accessible adds lubricating oil in the oil filler point the inside and increases slide bearing's life, and there is a felt packing ring on the slide bearing next door, the felt packing ring can absorb the lubricating oil gathering around slide bearing, can play fully lubricated effect to slide bearing, this kind of slide bearing's simple structure, plastic envelope integrated into one piece precision is high, the noise is low, low in manufacturing cost is lower and lubricated abundant, maintenance cost is lower, long service life.

Description

Plastic package motor

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to plastic envelope motor.

Background

The plastic sealed motor is made up by adopting plastic sealing technique to integrally seal stator core and winding of motor with engineering plastics, and can eliminate traditional motor stator insulation treatment process and metal machine shell of general motor, and said motor can be used in domestic electric appliances and instruments fan of dust collector, cooking fume exhauster, air conditioner and washing machine, and its development and production are more and more important.

Most of small plastic package motor bearings on the market at present are 608 ball bearings, the ball bearings inside the plastic package motor can be worn after being used for a long time, the ball bearings inside the plastic package motor are high in price, the maintenance and replacement cost is high, and mechanical noise easily occurs on the ball bearings under the condition of high rotating speed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic package motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the plastic package motor comprises a plastic package stator, wherein a rotor connecting piece is arranged inside the plastic package stator, a sliding bearing is arranged between the rotor connecting piece and the plastic package stator, a felt washer is arranged between the top surface of the sliding bearing and the plastic package stator, a bearing clamping ring is arranged between the bottom surface of the sliding bearing and the rotor connecting piece, an adjusting washer is arranged between the bottom surface of the rotor connecting piece and a rear package cover, a graphite washer is arranged between the adjusting washer and the rear package cover, a positioning clamp spring is arranged at the position, close to the top surface, of the side wall of the rotor connecting piece, and an oil filling hole is formed in one side of the top surface of the rear package cover.

Preferably, the top surface of the rotor connecting piece is provided with a groove matched with the bearing clamping ring, and the groove is circular.

Preferably, the side wall of the sliding bearing is provided with a circular groove matched with the felt washer at a position close to the top surface, and the sliding bearing and the felt washer are connected in a sleeved mode.

Preferably, a through hole matched with the rotor connecting piece is formed in the center of the top surface of the plastic package stator, and the positioning clamp spring is located on the outer side of the top of the plastic package stator.

Preferably, the adjusting washer and the graphite washer are sleeved at the bottom of the rotor connecting piece.

Advantageous effects

The utility model discloses in, through be provided with slide bearing between plastic envelope stator and rotor connecting piece, be connected through gliding mode between slide bearing and rotor connecting piece and the plastic envelope stator, and the oil filler point has been seted up on the surface of back encapsulation lid, when using, the accessible adds lubricating oil in the oil filler point the inside and increases slide bearing's life, and there is a felt packing ring on the slide bearing next door, the felt packing ring can absorb the lubricating oil gathering around slide bearing, can play fully lubricated effect to slide bearing, this kind of slide bearing's simple structure, plastic envelope integrated into one piece precision is high, manufacturing cost is lower and lubricated abundant, the maintenance is lower with the use cost who trades.

The utility model discloses in, be connected through gliding mode between slide bearing and rotor connecting piece and the plastic envelope stator, and the felt washer can play fully lubricated effect to slide bearing, ball bearing's mechanical noise can not appear, and slide bearing noise is lower when using, and then can reduce the noise of plastic envelope motor when using.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the bottom structure of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a schematic view of the main structure of the rear packaging cover of the present invention.

Fig. 5 is an inner side structure schematic diagram of the plastic package stator of the present invention.

Illustration of the drawings:

1. plastic packaging the stator; 101. stopping the opening; 102. an inner bore; 103. a bearing chamber; 2. a rotor connecting member; 3. a rear packaging cover; 4. positioning a clamp spring; 5. a sliding bearing; 6. a felt washer; 7. a bearing retainer ring; 8. adjusting the washer; 9. a graphite gasket; 10. and an oil filling hole.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Specific example 1:

referring to fig. 1-4, the plastic package motor includes a plastic package stator 1, a rotor connector 2 is disposed inside the plastic package stator 1, a sliding bearing 5 is disposed between the rotor connector 2 and the plastic package stator 1, a felt washer 6 is disposed between a top surface of the sliding bearing 5 and the plastic package stator 1, a bearing clamping ring 7 is disposed between a bottom surface of the sliding bearing 5 and the rotor connector 2, an adjusting washer 8 is disposed between the bottom surface of the rotor connector 2 and the rear package cover 3, a graphite washer 9 is disposed between the adjusting washer 8 and the rear package cover 3, a positioning snap spring 4 is disposed on a side wall of the rotor connector 2 near the top surface, an oil injection hole 10 is disposed on one side of the top surface of the rear package cover 3, the adjusting washer 8 and the graphite washer 9 are sleeved at the bottom of the rotor connector 2, the graphite washer 9 can perform a sealing function, the graphite washer 9 is an annular object made of graphite as a raw material, and the graphite has good high temperature resistance and elasticity, so that the graphite can perform a sealing function in a high temperature environment without melting.

Rotor connecting piece 2's top surface seted up with bearing clamping ring 7 assorted recess, and the recess is ring shape, bearing clamping ring 7 plays limiting displacement to slide bearing 5, can promote the stability of slide bearing 5 when using, and then can maintain the stability in use of plastic envelope motor, plastic envelope stator 1's top surface department placed in the middle seted up with rotor connecting piece 2 assorted through-hole, and location jump ring 4 is located the top outside of plastic envelope stator 1, location jump ring 4 can be used for being connected the plastic envelope motor output with the external world.

Through be provided with slide bearing 5 between plastic envelope stator 1 and rotor connecting piece 2, slide bearing 5 is connected through gliding mode between rotor connecting piece 2 and the plastic envelope stator 1, and oil filler point 10 has been seted up on the surface of back encapsulation lid 3, when using, the accessible adds lubricating oil in oil filler point 10 the inside and increases slide bearing 5's life, and there is a felt packing ring 6 next door slide bearing 5, felt packing ring 6 can absorb the lubricating oil gathering around slide bearing 5, can play fully lubricated effect to slide bearing 5, this kind of slide bearing 5's simple structure, the cost is lower and lubricated abundant, the maintenance is lower with the use cost who trades.

Specific example 2:

referring to fig. 1-4, the lateral wall of the sliding bearing 5 is provided with a circular groove matching with the felt washer 6 near the top surface, and the sliding bearing 5 is connected with the felt washer 6 in a sleeved manner, the felt washer 6 can gather the lubricating oil between the plastic stator 1 and the rear packaging cover 3 to the periphery of the sliding bearing 5, and the surface of the sliding bearing 5 is uniformly lubricated, so that the service time of adding the lubricating oil at a single time is prolonged, and meanwhile, the lubricating oil inside can be separated, so that when the lubricating oil is excessively added, the phenomenon of leakage of the lubricating oil between the plastic stator 1 and the rotor connecting piece 2 is avoided, and the inner side of the plastic stator 1 is provided with a spigot 101, an inner hole 102 and a bearing chamber 103, and the sliding bearing 5 can be limited by the spigot 101, the inner hole 102 and the bearing chamber 103, so that the sliding bearing 5 operates more stably during operation.

The sliding bearing 5 is connected with the rotor connecting piece 2 and the plastic package stator 1 in a sliding mode, the felt washer 6 can fully lubricate the sliding bearing 5, mechanical noise of a ball bearing cannot occur, the sliding bearing 5 is low in noise when in use, noise of a plastic package motor can be reduced when in use, and the bearing chamber 103, the inner hole 102 and the spigot 101 in the plastic package stator 1 are integrally formed in an injection molding mode in a plastic package process, so that the precision is high.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Plastic envelope motor, including plastic envelope stator (1), its characterized in that: the inside of plastic envelope stator (1) is provided with rotor connecting piece (2), be provided with slide bearing (5) between rotor connecting piece (2) and plastic envelope stator (1), be provided with felt washer (6) between the top surface of slide bearing (5) and plastic envelope stator (1), be provided with bearing clamping ring (7) between the bottom surface of slide bearing (5) and rotor connecting piece (2), be provided with between the bottom surface of rotor connecting piece (2) and back encapsulation lid (3) adjusting washer (8), be provided with graphite packing ring (9) between adjusting washer (8) and back encapsulation lid (3), the lateral wall of rotor connecting piece (2) is close to top surface department and is provided with positioning clamp spring (4), oil filler point (10) have been seted up to top surface one side of back encapsulation lid (3).

2. The plastic package motor of claim 1, wherein: the top surface of the rotor connecting piece (2) is provided with a groove matched with the bearing clamping ring (7), and the groove is circular.

3. The plastic package motor of claim 1, wherein: the lateral wall of slide bearing (5) is close to top surface department and offers the ring groove with felt packing (6) assorted, and adopts the mode of cup jointing to connect between slide bearing (5) and felt packing (6).

4. The plastic package motor of claim 1, wherein: the middle part of the top surface of the plastic package stator (1) is provided with a through hole matched with the rotor connecting piece (2), and the positioning clamp spring (4) is located on the outer side of the top of the plastic package stator (1).

5. The plastic package motor of claim 1, wherein: the adjusting washer (8) and the graphite washer (9) are sleeved at the bottom of the rotor connecting piece (2).