CN207234596U - Rotating shaft bearing of motor anti-skid structure - Google Patents
Rotating shaft bearing of motor anti-skid structure Download PDFInfo
- Publication number
- CN207234596U CN207234596U CN201720633131.2U CN201720633131U CN207234596U CN 207234596 U CN207234596 U CN 207234596U CN 201720633131 U CN201720633131 U CN 201720633131U CN 207234596 U CN207234596 U CN 207234596U
- Authority
- CN
- China
- Prior art keywords
- bearing
- motor shaft
- motor
- inner race
- skid structure
- 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.)
- Expired - Fee Related
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- Motor Or Generator Frames (AREA)
- Mounting Of Bearings Or Others (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
It the utility model is related to motor.A kind of rotating shaft bearing of motor anti-skid structure, including motor casing and motor shaft, the both ends of motor casing are respectively connected with an end cap, the both ends of motor shaft are installed in end cap by bearing, bearing includes bearing inner race and the bearing outer ring being rotatably connected on outside bearing inner race, bearing inner race is set on motor shaft, bearing outer ring is tightly fixed in end cap, the end face of the one end of motor shaft away from rotor is equipped with along the axially extending operation hole of motor shaft, it is equipped with operation hole some along the circumferentially distributed anti-avulsion pin radially extended of motor shaft, operation hole internal thread is connected with drive rod, drive rod is equipped with driving anti-avulsion pin and holds out against the conical surface section on the inner peripheral surface of the inner ring of bearing.The utility model has the advantages that not allowing to be also easy to produce between bearing and motor shaft rotationally and axially to move, and solves the problems, such as easily to produce between motor shaft and bearing and skids and cause motor shaft wear damage and easily produce axial movement.
Description
Technical field
It the utility model is related to motor, more particularly to a kind of rotating shaft bearing of motor anti-skid structure.
Background technology
Motor（English：Electric machinery, are commonly called as " motor "）Refer to realize electric energy according to the law of electromagnetic induction
Conversion or a kind of calutron transmitted.Letter M is used in circuit（Old plant D）Represent.Its main function is to produce drive
Dynamic torque, as electrical appliance or various mechanical power sources.Generator is represented with letter G in circuit.Its main function is
Mechanical energy is converted into using electric energy.It is CN201410839211.4, Publication No. CN104505989A, name in China Patent No.
A kind of existing motor is disclosed referred to as in the patent document of " CN104505989A ", the basic structure of motor includes motor
Shell, the stator being fixed in motor casing and the rotor being rotationally threaded through in stator, rotor are connected with motor shaft, motor casing
Both ends are respectively connected with an end cap, and the both ends of motor shaft are installed in the end cap by bearing.There are following for existing motor
Deficiency：Easily produced between motor shaft and bearing and skid and cause motor shaft wear damage；There is no axial limiting, easily produce axis
To movement.
Utility model content
The utility model provides not to be allowed to be also easy to produce the motor turn rotationally and axially moved between a kind of bearing and motor shaft
Axle bearing anti-skid structure, solves easily to produce between motor shaft and bearing and skids and cause motor shaft wear damage and easily production
The problem of raw axial movement.
Above technical problem is solved by following technical proposal：A kind of rotating shaft bearing of motor anti-skid structure, including electricity
Casing and motor shaft, the both ends of the motor casing are respectively connected with an end cap, and the both ends of the motor shaft are installed on by bearing
In the end cap, it is characterised in that the bearing includes bearing inner race and the bearing outer ring being rotatably connected on outside bearing inner race, institute
State bearing inner race to be set on the motor shaft, the bearing outer ring is tightly fixed in the end cap, and the motor shaft is remote
End face from one end of rotor is equipped with along the axially extending operation hole of motor shaft, is equipped with the operation hole some along motor shaft
The circumferentially distributed anti-avulsion pin radially extended, operation hole internal thread are connected with drive rod, and the drive rod is equipped with described in driving
Anti-avulsion pin holds out against the conical surface section on the inner peripheral surface of the inner ring of the bearing.The anti-avulsion crown is set tightly in the inner peripheral surface of bearing inner race
On, skid and move axially so as to play the role of preventing producing between bearing and motor shaft rotating.Need the anti-avulsion crown tight
When, rotation of drive rod causes drive rod to enter the depth increase in operation hole, and conical surface section holds out against anti-avulsion pin on bearing inner race.
On the contrary then opposite direction rotation of drive rod.
Preferably, the anti-avulsion pin is the same as being cone match between the conical surface section.Not easily leaded to when driving anti-avulsion pin
Conical surface segment table surface wear.
Preferably, the inner peripheral surface of the bearing inner race is equipped with location dimples, the anti-avulsion pin abuts correspondingly
In the location dimples.Better reliability.
Preferably, the motor shaft is equipped with the positioning retainer ring with bearing inner race abutting together, the bearing
When inner ring is abutted together with the positioning retainer ring, the location dimples and anti-avulsion pins position are in same perpendicular to the motor shaft
In the plane of axis.Convenience when anti-avulsion pin and drop-proof hole alignment can be improved.
Preferably, the motor shaft is equipped with along the axially extending locating slot of motor shaft, the inner peripheral surface of the bearing inner race
It is equipped with along the axially extending positioning convex strip of bearing inner race, when the positioning convex strip is plugged in the locating slot, the positioning
Pit and anti-avulsion pin are located in the plane of the same axis by the motor shaft correspondingly.Anti-avulsion pin can be improved and stopped
Convenience during de- hole alignment.
The utility model tool has the advantage that：Do not allow to be also easy to produce between motor shaft and bearing rotationally and axially to move, can
Effectively prevent motor shaft from wearing；Motor shaft is not allowed to be also easy to produce axial movement.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment one.
Fig. 2 is the schematic diagram of the utility model embodiment two.
Fig. 3 is the axial schematic diagram of two middle (center) bearing of embodiment and motor shaft.
In figure：Motor casing 3, end cap 31, motor shaft 4, conical surface section 41, operation hole 42, anti-avulsion pin 43, drive rod 44, positioning
Baffle ring 45, locating slot 46, bearing 5, bearing inner race 51, location dimples 511, positioning convex strip 512, bearing outer ring 52, bearing ball
53。
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
Embodiment one, referring to Fig. 1, a kind of rotating shaft bearing of motor anti-skid structure, including motor casing 3 and motor shaft 4.
The both ends of motor casing 3 are respectively connected with an end cap 31.Bearing 5 is installed in end cap 31.Bearing 5 includes bearing inner race
51st, bearing outer ring 52 and bearing ball 53.Bearing outer ring 52 is rotatably connected on outside bearing inner race 51 by bearing ball 53.Bearing
Outer ring 52 is tightly fixed in end cap 31.Bearing inner race 51 is tightly fixed on the motor shaft (4).
The end face of the one end of motor shaft 4 away from rotor is equipped with along the axially extending operation hole 42 of motor shaft.In operation hole 42
It is equipped with some anti-avulsion pins 43 circumferentially distributed along motor shaft.Anti-avulsion pin 43 is radially extended along motor shaft.Spiral shell in operation hole 42
Line is connected with drive rod 44.Drive rod 44 is equipped with conical surface section 41 towards one end of rotor.Anti-avulsion pin 43 is matched somebody with somebody with 41 conical surface of conical surface section
Close and abut together.It is clearance fit between anti-avulsion pin 43 and motor shaft 4.
When anti-avulsion pin to be unclamped is when holding out against effect, rotation of drive rod causes the ejection that conical surface section is lost to anti-avulsion pin to make
With due to non-clearance fit, anti-avulsion pin can be by being reduced in motor shaft 4 without interfering bearing outer ring and motor shaft 4 in gravity
Between separation.Need to prevent from producing between motor shaft and bearing inner race when rotationally and axially moving, rotation of drive rod to bore
Face section is by the anti-avulsion crown tightly on bearing inner race inner peripheral surface.
Embodiment two, the difference with embodiment one are：
Referring to Fig. 2, the inner peripheral surface of bearing inner race 51 is equipped with some location dimples 511.Motor shaft 4 is equipped with positioning retainer ring
45.When bearing inner race 51 is abutted together with positioning retainer ring 45, location dimples 511 and anti-avulsion pin 43 are positioned at same perpendicular to motor
I.e. along the circumferentially aligned of motor shaft in the plane of the axis of axis 4.
Referring to Fig. 3, motor shaft 4 is equipped with along the axially extending locating slot 46 of motor shaft.Set on the inner peripheral surface of bearing inner race 51
Have along the axially extending positioning convex strip 512 of bearing inner race.When positioning convex strip 512 is plugged in locating slot 46, location dimples and only
Out of stock is correspondingly axially aligning along motor shaft in the same plane by the axis of motor shaft.
Referring to Fig. 2 and Fig. 3, when assembling bearing, the mode that positioning convex strip 512 is plugged in locating slot 464 is set to position recessed
511 sets of hole is set on motor shaft 4 until that can not be inserted into（I.e. bearing inner race 51 abuts together with positioning retainer ring 45）When untill.
Anti-avulsion head and location dimples 511 are correspondingly along motor shaft radially aligned at this time, on anti-avulsion pin can insert correspondingly
Enter in location dimples.
Claims (5)
1. a kind of rotating shaft bearing of motor anti-skid structure, including motor casing and motor shaft, the both ends of the motor casing are respectively connected with one
A end cap, the both ends of the motor shaft are installed in the end cap by bearing, it is characterised in that the bearing is included in bearing
The bearing outer ring outside bearing inner race is enclosed and is rotatably connected on, the bearing inner race is set on the motor shaft, outside the bearing
Circle is tightly fixed in the end cap, and the end face of the one end of the motor shaft away from rotor is equipped with axially extending along motor shaft
Operation hole, some along the circumferentially distributed anti-avulsion pin radially extended of motor shaft, spiral shell in the operation hole is equipped with the operation hole
Line is connected with drive rod, and the drive rod, which is equipped with, drives the anti-avulsion pin to hold out against the cone on the inner peripheral surface of the inner ring of the bearing
Face section.
2. rotating shaft bearing of motor anti-skid structure according to claim 1, it is characterised in that the anti-avulsion pin is the same as the conical surface
It is cone match between section.
3. rotating shaft bearing of motor anti-skid structure according to claim 1, it is characterised in that the inner peripheral surface of the bearing inner race
Location dimples are equipped with, the anti-avulsion pin is connected in the location dimples correspondingly.
4. rotating shaft bearing of motor anti-skid structure according to claim 3, it is characterised in that the motor shaft is equipped with same institute
The positioning retainer ring of bearing inner race abutting together is stated, it is described fixed when the bearing inner race is abutted together with the positioning retainer ring
Position pit and anti-avulsion pins position are in the plane of the same axis perpendicular to the motor shaft.
5. rotating shaft bearing of motor anti-skid structure according to claim 3, it is characterised in that the motor shaft is equipped with along motor
The axially extending locating slot of axis, the inner peripheral surface of the bearing inner race are equipped with along the axially extending positioning convex strip of bearing inner race, institute
When stating positioning convex strip and being plugged in the locating slot, the location dimples and anti-avulsion pin are correspondingly positioned at described in same process
In the plane of the axis of motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633131.2U CN207234596U (en) | 2017-06-02 | 2017-06-02 | Rotating shaft bearing of motor anti-skid structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633131.2U CN207234596U (en) | 2017-06-02 | 2017-06-02 | Rotating shaft bearing of motor anti-skid structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234596U true CN207234596U (en) | 2018-04-13 |
Family
ID=61839827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720633131.2U Expired - Fee Related CN207234596U (en) | 2017-06-02 | 2017-06-02 | Rotating shaft bearing of motor anti-skid structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207234596U (en) |
-
2017
- 2017-06-02 CN CN201720633131.2U patent/CN207234596U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20200602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |