CN113708545A - Motor with special self-lubricating engineering plastic bearing - Google Patents

Motor with special self-lubricating engineering plastic bearing Download PDF

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Publication number
CN113708545A
CN113708545A CN202111146504.0A CN202111146504A CN113708545A CN 113708545 A CN113708545 A CN 113708545A CN 202111146504 A CN202111146504 A CN 202111146504A CN 113708545 A CN113708545 A CN 113708545A
Authority
CN
China
Prior art keywords
motor
self
bearing
lubricating
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111146504.0A
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Chinese (zh)
Inventor
陈华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhehao Material Application Co ltd
Original Assignee
Shanghai Zhehao Material Application Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Zhehao Material Application Co ltd filed Critical Shanghai Zhehao Material Application Co ltd
Priority to CN202111146504.0A priority Critical patent/CN113708545A/en
Publication of CN113708545A publication Critical patent/CN113708545A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/201—Composition of the plastic
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
    • H02K11/042—Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a motor with a special self-lubricating engineering plastic bearing, which comprises a self-lubricating plastic bearing motor, wherein the self-lubricating plastic bearing motor comprises a motor shell and a motor driving part arranged in the motor shell, the motor driving part is sequentially provided with a balance block, a rotating shaft, an iron core, a varistor, a commutator and a shaft receiving plate from left to right, the outer end of the rotating shaft is inserted in the balance block, the inner end of the rotating shaft is connected with the iron core, the outer side of the rotating shaft is provided with a shell bearing, the inner side of the shell bearing is provided with a gasket, the shell bearing is arranged at the left end of the motor shell, the iron core is arranged in the motor shell and is wrapped with an enameled wire, the outer side of the iron core is provided with a magnet, the magnet is arranged on the inner wall of the shell, the varistor is arranged at the right end of the iron core, and the left side of the varistor is connected with the commutator. The invention adopts the latest special engineering plastic as the self-lubricating wear-resistant bushing, can solve the noise problem, can protect the rotating shaft, can reduce the weight and reduce the energy consumption.

Description

Motor with special self-lubricating engineering plastic bearing
Technical Field
The invention relates to the technical field of motors, in particular to a motor with a special self-lubricating engineering plastic bearing.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M (old standard is represented by D) in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electric appliances or various machines, the generator is represented by a letter G in the circuit and mainly has the function of converting mechanical energy into electric energy, a powder metallurgy oil-containing bearing is usually arranged in the motor, and the powder metallurgy oil-containing bearing is a sliding bearing which is made of a porous material and stores lubricating oil in pores.
However, the powder metallurgy oil-retaining bearing for the existing motor has the following problems in the use process: (1) although the existing powder metallurgy bearing has better wear resistance, the weight of the bearing is large, and the light weight degree of the motor is low; (2) the powder metallurgy bearing is big at the in-process noise of operation, uses for a long time to lead to the motor inner wall to appear the gap easily, and the condition of oil leak is produced easily to the operating time overlength. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
The invention aims to provide a motor with a special self-lubricating engineering plastic bearing, which solves the technical problems that although the existing powder metallurgy bearing has better wear resistance, the weight of the bearing is heavy, and the light weight degree of the motor is low.
In order to achieve the purpose, the invention provides the following technical scheme: a motor with a special self-lubricating engineering plastic bearing comprises a self-lubricating plastic bearing motor, wherein the self-lubricating plastic bearing motor comprises a motor shell and a motor driving part arranged in the motor shell, the motor driving part is sequentially provided with a balance block, a rotating shaft, an iron core, a varistor, a commutator and a shaft receiving plate from left to right, the outer end of the rotating shaft is inserted in the balance block, the inner end of the rotating shaft is connected with the iron core, the outer end of the rotating shaft is inserted in the balance block, the outer end of the rotating shaft is connected with the iron core, a washer is arranged on the outer side of the rotating shaft, the outer bearing is arranged at the left end of the motor shell, the iron core is arranged in the motor shell, the surface of the iron core is wrapped with an enameled wire, the outer side of the iron core is provided with a magnet, the magnet is arranged on the inner wall of the shell, the varistor is arranged at the right end and the left side of the iron core and is connected with the commutator, and the outer side of the commutator is provided with an electric brush, the outside of brush is provided with the base plate, the inboard of base plate is provided with the base plate bearing, the base plate bearing is installed in the right-hand member and the right side of commutator and is connected with receiving the shaft plate, the rotation axle sleeve has inlayed self-lubricating wear-resisting bush.
As a preferred embodiment of the present invention, the motor housing has a double-layer structure, and an outer housing and an inner housing are respectively disposed from outside to inside, a bracket is disposed between the outer housing and the inner housing, and both sides of the bracket are respectively integrally formed with the outer housing and the inner housing.
In a preferred embodiment of the present invention, the inner wall of the bracket is formed with a rib, and the upper right corner of the bracket is provided with a terminal, and the outer end of the rib contacts with the inner wall of the outer housing.
In a preferred embodiment of the present invention, the self-lubricating wear-resistant bushing is made of a self-lubricating engineering plastic material and has a through hole formed therein, and the rotating shaft is inserted into the self-lubricating wear-resistant bushing.
In a preferred embodiment of the present invention, the sectional diameter of the self-lubricating wear-resistant bush is equal to the inner diameter of the shell bearing and the base plate bearing.
As a preferred embodiment of the present invention, two ends of the rotating shaft are respectively inserted into two ends of the self-lubricating plastic bearing motor, and the two ends are rotatably connected to the motor housing.
As a preferred embodiment of the present invention, both ends of the iron core are of an arc structure, and the specification of the middle portion is greater than the specifications of both ends, and a gap slot is formed between the iron core and the magnet.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention improves the internal structure of the motor, adopts the special self-lubricating plastic bearing to replace the existing powder metallurgy oil-containing bearing, not only can improve the light weight degree of the motor, but also can reduce the noise of the motor, adopts special engineering plastics as the self-lubricating wear-resistant bushing, can solve the noise problem, simultaneously can protect the rotating shaft, can reduce the weight and reduce the energy consumption.
2. The invention optimizes the internal installation structure of the motor, adopts the powder metallurgy oil-containing bearing as an internal component, and the powder metallurgy oil-containing bearing comprises the bearing and the self-lubricating wear-resistant bushing sleeved on the surface of the bearing, thereby being convenient to install and disassemble, being convenient to replace and use when the self-lubricating wear-resistant bushing is worn, and reducing the replacement cost of the bearing in the motor.
Drawings
FIG. 1 is an overall block diagram of the present invention;
fig. 2 is a structure view of the self-lubricating wear-resistant bushing of the invention.
In the figure, 1, a motor shell; 2. a counterbalance; 3. a rotating shaft; 4. an iron core; 5. resistance changing; 6. a commutator; 7. a receiving shaft plate; 8. a housing bearing; 9. a gasket; 10. enamelled wires; 11. a magnet; 12. an electric brush; 13. a substrate; 14. a substrate bearing; 15. a self-lubricating wear-resistant bushing; 16. an outer housing; 17. an inner housing; 18. a support; 19. reinforcing; 20. a terminal; 21. perforating; 22. a clearance groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a motor with a special self-lubricating engineering plastic bearing comprises a self-lubricating plastic bearing motor, wherein the self-lubricating plastic bearing motor comprises a motor shell 1 and a motor driving part arranged in the motor shell 1 from left to right, the motor driving part is sequentially provided with a balance block 2, a rotating shaft 3, an iron core 4, a varistor 5, a commutator 6 and a shaft receiving plate 7, the outer end of the rotating shaft 3 is inserted in the balance block 2, the inner end of the rotating shaft is connected with the iron core 4, the outer side of the rotating shaft 3 is provided with a shell bearing 8, the inner side of the shell bearing 8 is provided with a gasket 9, the shell bearing 8 is arranged at the left end of the motor shell 1, the iron core 4 is arranged in the motor shell 1, the surface of the iron core 4 is wrapped with an enameled wire 10, the outer side of the iron core 4 is provided with a magnet 11, the magnet 11 is arranged on the inner wall of the shell, the varistor 5 is arranged at the right end of the iron core 4, the left side of the iron core 4 is connected with the commutator 6, and the outer side of the commutator 6 is provided with a brush 12, the outer side of the electric brush 12 is provided with a base plate 13, the inner side of the base plate 13 is provided with a base plate bearing 14, the base plate bearing 14 is installed at the right end of the commutator 6, the right side of the base plate bearing is connected with the driven shaft plate 7, and the rotating shaft 3 is sleeved with a self-lubricating wear-resistant bush 15.
Further improved, as shown in fig. 1: motor housing 1 is bilayer structure and is provided with shell body 16 and interior casing 17 respectively from outside to inside, is provided with support 18 between shell body 16 and the interior casing 17, and the both sides of support 18 respectively with shell body 16 and interior casing 17 integrated into one piece, improve motor housing 1's the noise reduction effect that gives sound insulation.
Further improved, as shown in fig. 1: the inner wall machine-shaping of support 18 has strengthening rib 19 and the upper right corner is provided with terminal 20, and the outer end of strengthening rib 19 contacts with the inner wall of shell body 16, can effectual improvement support 18's intensity, improves motor housing 1's wholeness.
Further improved, as shown in fig. 2: self-lubricating wear-resisting bush 15 adopts self-lubricating engineering plastics material and inside to be formed with and wears mouthful 21, and rotation axis 3 alternates on self-lubricating wear-resisting bush 15, adopts special engineering plastics as self-lubricating wear-resisting bush 5, can solve the noise problem, can also protect the rotation axis simultaneously, can also subtract heavy simultaneously, reduces the energy consumption.
Further improved, as shown in fig. 2: the section diameter of the self-lubricating wear-resistant bush 15 is equal to the inner diameter of the shell bearing 8 and the base plate bearing 14, and the design mode improves the sealing performance of the rotating shaft 3 during operation.
Further improved, as shown in fig. 1: two ends of the rotating shaft 3 are respectively inserted into two ends of the self-lubricating plastic bearing motor and are rotatably connected with the motor shell 1.
Specifically, both ends of the iron core 4 are of arc-shaped structures, the specification of the middle part of the iron core 4 is larger than that of both ends of the iron core, and a clearance slot 22 is formed between the iron core 4 and the magnet 11, so that the inner iron core 4 is convenient to drive in the design mode.
When in use: the invention improves the internal structure of the motor, adopts the special self-lubricating plastic bearing to replace the existing powder metallurgy oil-containing bearing, not only can improve the light weight degree of the motor, but also can reduce the noise of the motor, adopts special engineering plastics as the self-lubricating wear-resistant bushing, can solve the noise problem, simultaneously can protect a rotating shaft, can reduce weight and energy consumption, adopts the powder metallurgy oil-containing bearing as an internal part, and is convenient to install and disassemble because the powder metallurgy oil-containing bearing comprises the bearing and the self-lubricating wear-resistant bushing which is sleeved on the surface of the bearing, and when the self-lubricating wear-resistant bushing is worn, the powder metallurgy oil-containing bearing is convenient to replace and use, thereby reducing the replacement cost of the bearing in the motor.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a motor with special type self-lubricating engineering plastic bearing, includes self-lubricating plastic bearing motor, its characterized in that: the self-lubricating plastic bearing motor comprises a motor shell (1) and a motor driving part arranged in the motor shell (1) in sequence, wherein the motor driving part is provided with a balance block (2), a rotating shaft (3), an iron core (4), a varistor (5), a commutator (6) and a shaft receiving plate (7) from left to right, the outer end of the rotating shaft (3) is inserted in the balance block (2) and the inner end of the rotating shaft is connected with the iron core (4), a shell bearing (8) is arranged on the outer side of the rotating shaft (3), a gasket (9) is arranged on the inner side of the shell bearing (8), the shell bearing (8) is arranged at the left end of the motor shell (1), the iron core (4) is arranged in the motor shell (1) in and is wrapped by an enameled wire (10), a magnet (11) is arranged on the outer side of the iron core (4), and the magnet (11) is arranged on the inner wall of the shell, varistor (5) are installed and are connected with commutator (6) in the right-hand member and the left side of iron core (4), brush (12) are installed in the outside of commutator (6), the outside of brush (12) is provided with base plate (13), the inboard of base plate (13) is provided with base plate bearing (14), base plate bearing (14) are installed and are connected with received axial lamina (7) in the right-hand member and the right side of commutator (6), self-lubricating wear-resisting bush (15) have been inlayed to axis of rotation (3) cover.
2. The motor with the special self-lubricating engineering plastic bearing of claim 1, wherein: motor housing (1) is bilayer structure and is provided with shell body (16) and interior casing (17) respectively from outside to inside, be provided with support (18) between shell body (16) and interior casing (17), the both sides of support (18) respectively with shell body (16) and interior casing (17) integrated into one piece.
3. The motor with the special self-lubricating engineering plastic bearing of claim 2, wherein: the inner wall machine-shaping of support (18) has strengthening rib (19) and the upper right corner is provided with terminal (20), the outer end of strengthening rib (19) contacts with the inner wall of shell body (16).
4. The motor with the special self-lubricating engineering plastic bearing of claim 1, wherein: self-lubricating wear-resisting bush (15) adopt self-lubricating engineering plastic material and inside be formed with and wear mouthful (21), axis of rotation (3) alternate on self-lubricating wear-resisting bush (15).
5. The motor with the special self-lubricating engineering plastic bearing of claim 4, wherein: the section diameter of the self-lubricating wear-resistant bush (15) is equal to the inner diameters of the shell bearing (8) and the base plate bearing (14).
6. The motor with the special self-lubricating engineering plastic bearing of claim 1, wherein: and two ends of the rotating shaft (3) are respectively inserted into two ends of the self-lubricating plastic bearing motor in a penetrating manner, and the two ends of the rotating shaft are rotatably connected with the motor shell (1).
7. The motor with the special self-lubricating engineering plastic bearing of claim 1, wherein: the two ends of the iron core (4) are of arc-surface structures, the specification of the middle part of the iron core is larger than that of the two ends of the iron core, and a clearance groove (22) is formed between the iron core (4) and the magnet (11).
CN202111146504.0A 2021-09-28 2021-09-28 Motor with special self-lubricating engineering plastic bearing Pending CN113708545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111146504.0A CN113708545A (en) 2021-09-28 2021-09-28 Motor with special self-lubricating engineering plastic bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111146504.0A CN113708545A (en) 2021-09-28 2021-09-28 Motor with special self-lubricating engineering plastic bearing

Publications (1)

Publication Number Publication Date
CN113708545A true CN113708545A (en) 2021-11-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111146504.0A Pending CN113708545A (en) 2021-09-28 2021-09-28 Motor with special self-lubricating engineering plastic bearing

Country Status (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070152525A1 (en) * 2005-12-30 2007-07-05 Sunonwealth Electric Machine Industry Co., Ltd. Rotor rotational structure for motor
CN104588187A (en) * 2014-07-28 2015-05-06 湖南朝阳机电股份有限公司 Efficient and energy-saving direct-drive type sand production machine
WO2016015601A1 (en) * 2014-07-28 2016-02-04 湖南朝阳机电股份有限公司 High-efficiency energy-saving direct-drive sand making machine
CN205945384U (en) * 2016-08-11 2017-02-08 广州陆宝机电科技有限公司 Vibrating small and special electric motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070152525A1 (en) * 2005-12-30 2007-07-05 Sunonwealth Electric Machine Industry Co., Ltd. Rotor rotational structure for motor
CN104588187A (en) * 2014-07-28 2015-05-06 湖南朝阳机电股份有限公司 Efficient and energy-saving direct-drive type sand production machine
WO2016015601A1 (en) * 2014-07-28 2016-02-04 湖南朝阳机电股份有限公司 High-efficiency energy-saving direct-drive sand making machine
CN205945384U (en) * 2016-08-11 2017-02-08 广州陆宝机电科技有限公司 Vibrating small and special electric motor

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Application publication date: 20211126

RJ01 Rejection of invention patent application after publication