CN209057086U - A kind of mini automobile air pump permanent magnet DC motor - Google Patents
A kind of mini automobile air pump permanent magnet DC motor Download PDFInfo
- Publication number
- CN209057086U CN209057086U CN201822131266.6U CN201822131266U CN209057086U CN 209057086 U CN209057086 U CN 209057086U CN 201822131266 U CN201822131266 U CN 201822131266U CN 209057086 U CN209057086 U CN 209057086U
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- Prior art keywords
- motor
- commutator
- motor housing
- permanent magnet
- air pump
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Abstract
The utility model provides a kind of mini automobile air pump permanent magnet DC motor, including motor housing, rotor assembly, blocking cushion block and shop bolt；The rotor assembly is spindle rotationally arranged in the motor housing；The rotor assembly includes central spindle, enameled wire, rushes core rotor, gasket, fan blade and commutator；The enamel-cover and the core rotor engagement that rushes are mounted on the central spindle middle position；The gasket be mounted on it is described rush between core rotor and the commutator, the commutator and the central spindle interference fit fix.The utility model is simple in sturcture, ingenious in design, and rotor assembly is more firm, loose phenomenon will not occur, to greatly prolong the service life of motor.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of mini automobile air pump permanent magnet DC motors.
Background technique
Permanent magnet DC motor is according to there is brushless that can be divided into permanent-magnet brushless DC electric machine and permanent magnet brush direct current generator.Permanent magnetism
Direct current generator is a kind of direct current generator that magnetic field is established with permanent magnet.Permanent magnet DC motor is widely used in various portable electricity
In sub- equipment or utensil, such as recorder, the mechanical, electrical phonograph of VCD, electric massager and various toys, also it is widely used in automobile, rubs
The industries such as motorcycle, hand dryer, electric bicycle, battery car, ship, aviation, machinery also have wide in some high, refined, peak products
General application, such as video recorder, duplicator, camera, mobile phone, precision machine tool, bank's paper money counter, automobile air pump, electric drill.It is existing
Automobile air pump permanent magnet DC motor be easy to loosen using rotor assembly for a long time, to damage central spindle, the use of motor
Service life substantially reduces.
Utility model content
Technical problems to be solved
Problem to be solved in the utility model is to provide a kind of mini automobile air pump permanent magnet DC motor, existing to overcome
There is motor in technology to be easy to loosen using rotor assembly for a long time, to damage central spindle, the service life of motor is substantially reduced
Defect.
Technical solution
To solve the technical problem, the utility model provides a kind of mini automobile air pump permanent magnet DC motor, wraps
It includes motor housing, rotor assembly, stop cushion block and shop bolt；The rotor assembly is spindle rotationally arranged in the motor housing
It is interior；The rotor assembly includes central spindle, enameled wire, rushes core rotor, gasket, fan blade and commutator；The enamel-cover rushes core with described
Rotor engagement is mounted on the central spindle middle position；The gasket be mounted on it is described rush between core rotor and the commutator, institute
It states commutator and central spindle interference fit is fixed；The fan blade is fixedly mounted on outside the commutator, the fan blade and institute
It states commutator and realizes synchronous rotation；The stop washer block gap cooperation is mounted on the central spindle side, the blocking cushion block one
End is closed with the commutator end face paste, and the shop bolt is plugged and fixed in the central spindle, the outer wall of the shop bolt with
The other end face for stopping cushion block, which is bonded, fixes.
Preferably, the blocking cushion block section is in truncated cone-shaped.
Preferably, the right side for stopping cushion block is wavy.
Preferably, magnetic shoe and cylindricality bearing are additionally provided in the motor housing, the magnetic shoe is mounted on outside the motor
On shell inner wall, the cylindricality bearing is fixed on one end of the motor housing, the cylindricality bearing inner race and the central spindle
Clearance fit.
Preferably, the motor housing inner wall is provided with the buckle for magnetic shoe described in clamping, the buckle and the electricity
Machine shell is welded and fixed.
Preferably, the motor housing inner wall is provided with the positioning protrusion for positioning the magnetic shoe installation site.
Have the beneficial effect that the mini automobile air pump permanent magnet DC motor of the utility model, structure is simple, and design is skilful
Wonderful, rotor assembly is more firm, loose phenomenon will not occur, to greatly prolong the service life of motor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of mini automobile air pump permanent magnet DC motor of the utility model；
Fig. 2 is the structural schematic diagram of rotor assembly；
Fig. 3 is the structural schematic diagram that another embodiment stops cushion block；
Fig. 4 is the half sectional view of motor housing 5；
Fig. 5 is the half sectional view for stopping cushion block.
In figure, 1 is central spindle, and 2 be enameled wire, and 3 is rush core rotor, and 4 be gasket, and 5 be motor housing, and 6 be fan blade, and 7 be to change
To device, 8 is stop cushion block, and 9 be shop bolt, and 10 be right side, and 11 be buckle, and 12 be magnetic shoe, and 13 be cylindricality bearing, and 14 be fixed
Position protrusion.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As depicted in figs. 1 and 2, a kind of mini automobile air pump permanent magnet DC motor of the utility model, including motor
Shell 5, stops cushion block 8 and shop bolt 9 at rotor assembly；The rotor assembly is spindle rotationally arranged in the motor housing 5
It is interior；The rotor assembly includes central spindle 1, enameled wire 2, rushes core rotor 3, gasket 4, fan blade 6 and commutator 7；The enameled wire 2 with
The core rotor 3 that rushes is fitted to 1 middle position of central spindle；The gasket 4 is mounted on the core rotor 3 that rushes and changes with described
To between device 7, the commutator 7 is fixed with the central spindle 1 interference fit；The fan blade 6 is fixedly mounted on outside the commutator 7
Portion, the fan blade 6 is realized with the commutator 7 to be rotated synchronously；Blocking 8 clearance fit of cushion block is mounted on the central spindle 1
Side, described 8 one end of blocking cushion block are bonded with 7 end face of commutator, and the shop bolt 9 is plugged and fixed in the central spindle 1
Interior, the outer wall of the shop bolt 9 is bonded fixation with the other end face for stopping cushion block 8.
It can be single in the both ends of central spindle 1 setting blocking cushion block 8 and shop bolt 9, use process according to intensity needs
Side setting can obtain good effect, therefore the present embodiment uses unilateral setting.
The effect for being provided with blocking cushion block 8 and positioning pin 9 is: in order to keep rotor assembly more firm, will not loosen
Phenomenon, to greatly prolong the service life of motor.
As shown in figure 3,8 section of blocking cushion block is in truncated cone-shaped, prevents commutator 7 from skidding off, play barrier effect.It is described
Stop the right side 10 of cushion block 8 wavy, face contact is become into point contact, to increase the dynamics of contact, does not have loosening
The phenomenon that occur, can be separately provided.As shown in figure 5, the present embodiment is stopped cushion block 8 or is arranged using plane.
As shown in figure 4, being additionally provided with magnetic shoe 12 and cylindricality bearing 13 in the motor housing 5, the magnetic shoe 12 is mounted on
On 5 inner wall of motor housing, the cylindricality bearing 13 is fixed on one end of the motor housing 5, the cylindricality bearing
13 inner rings and 1 clearance fit of central spindle.
As shown in figure 4,5 inner wall of motor housing is provided with the buckle 11 for magnetic shoe 12 described in clamping, the buckle
11 are welded and fixed with the motor housing 5；There are two 11 settings of buckle, blocks the both sides of magnetic shoe 12 respectively, prevents magnetic shoe 12 de-
It falls.
As shown in figure 4,5 inner wall of motor housing is provided with the positioning protrusion for positioning 12 installation site of magnetic shoe
14；Positioning protrusion 14 plays quick positioning action, and positioning protrusion 14 is welded and fixed with the motor housing 5；Positioning protrusion 1 is in half
Ellipse.
When installation, first rotor assembly is installed, i.e., central spindle 1, enameled wire 2, rush core rotor 3, gasket 4, fan blade 6 and commutation
Device 7 is first installed, and then installs again and cushion block 8 is stopped to be inserted into central spindle 1, and being fixed with shop bolt 9 can complete, from
And it is completely fixed rotor assembly, loose phenomenon will not occur, to greatly prolong the service life of motor.
In conclusion above embodiment is not the restricted embodiment for being the utility model, the technology of all this fields
The modification or equivalent deformation that personnel are carried out on the basis of the substantive content of the utility model, in the skill of the utility model
Art scope.
Claims (6)
1. a kind of mini automobile air pump permanent magnet DC motor, it is characterised in that: including motor housing (5), rotor assembly, resistance
Keep off cushion block (8) and shop bolt (9)；The rotor assembly is spindle rotationally arranged in the motor housing (5)；The rotor set
Part includes central spindle (1), enameled wire (2), rushes core rotor (3), gasket (4), fan blade (6) and commutator (7)；The enameled wire (2)
The central spindle (1) middle position is fitted to the core rotor (3) that rushes；The gasket (4), which is mounted on, described rushes core rotor
(3) between the commutator (7), the commutator (7) and the central spindle (1) interference fit are fixed；The fan blade (6) is fixed
It is external to be mounted on the commutator (7), the fan blade (6) and the commutator (7) are realized and rotated synchronously；The blocking cushion block
(8) clearance fit is mounted on the central spindle (1) side, and the blocking cushion block (8) one end and the commutator (7) end face paste
It closes, the shop bolt (9) is plugged and fixed in the central spindle (1), the outer wall and the blocking cushion block of the shop bolt (9)
(8) the other end face, which is bonded, fixes.
2. mini automobile air pump permanent magnet DC motor according to claim 1, it is characterised in that: the blocking cushion block
(8) section is in truncated cone-shaped.
3. mini automobile air pump permanent magnet DC motor according to claim 1, it is characterised in that: the blocking cushion block
(8) right side (10) is wavy.
4. mini automobile air pump permanent magnet DC motor according to any one of claims 1 to 3, it is characterised in that: institute
It states in motor housing (5) and is additionally provided with magnetic shoe (12) and cylindricality bearing (13), the magnetic shoe (12) is mounted on the motor housing
(5) on inner wall, the cylindricality bearing (13) is fixed on one end of the motor housing (5), and the cylindricality bearing (13) is interior
Circle and the central spindle (1) clearance fit.
5. mini automobile air pump permanent magnet DC motor according to claim 4, it is characterised in that: the motor housing
(5) inner wall is provided with the buckle (11) for magnetic shoe described in clamping (12), and the buckle (11) and the motor housing (5) are welded
It is fixed.
6. mini automobile air pump permanent magnet DC motor according to claim 4, it is characterised in that: the motor housing
(5) inner wall is provided with the positioning protrusion (14) for positioning the magnetic shoe (12) installation site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131266.6U CN209057086U (en) | 2018-12-18 | 2018-12-18 | A kind of mini automobile air pump permanent magnet DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131266.6U CN209057086U (en) | 2018-12-18 | 2018-12-18 | A kind of mini automobile air pump permanent magnet DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209057086U true CN209057086U (en) | 2019-07-02 |
Family
ID=67055122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822131266.6U Active CN209057086U (en) | 2018-12-18 | 2018-12-18 | A kind of mini automobile air pump permanent magnet DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209057086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404309A (en) * | 2020-03-25 | 2020-07-10 | 宁波依诺汽车电子有限公司 | Miniature new energy automobile pump permanent magnet direct current motor |
-
2018
- 2018-12-18 CN CN201822131266.6U patent/CN209057086U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404309A (en) * | 2020-03-25 | 2020-07-10 | 宁波依诺汽车电子有限公司 | Miniature new energy automobile pump permanent magnet direct current motor |
| CN111404309B (en) * | 2020-03-25 | 2022-08-16 | 杨建才 | Miniature new energy automobile pump permanent magnet direct current motor |
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