CN209462150U - End cover for motor based on bearing chamber high-precision rolling technology - Google Patents
End cover for motor based on bearing chamber high-precision rolling technology Download PDFInfo
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- CN209462150U CN209462150U CN201920228474.XU CN201920228474U CN209462150U CN 209462150 U CN209462150 U CN 209462150U CN 201920228474 U CN201920228474 U CN 201920228474U CN 209462150 U CN209462150 U CN 209462150U
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- bearing
- bearing chamber
- motor
- end cover
- rolling technology
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Abstract
The utility model belongs to motor component technical field, is related to a kind of End cover for motor based on bearing chamber high-precision rolling technology.It includes end cap ontology, bearing chamber is equipped in end cap ontology, there is the shaft hole for wearing shaft in bearing chamber, bearing positioning chamber and stress elimination cavity configuration are additionally provided in the bearing chamber, the stress elimination cavity configuration connects bearing positioning chamber, and the stress elimination cavity configuration position corresponding with bearing inner race has gap.It is isolated between the utility model bearing inner race and end cap ontology with stress elimination cavity configuration, bearing inner race is avoided directly to apply active force to end cap ontology, reduces the play between bearing and shaft, it is more stable in motor operation course.
Description
Technical field
The utility model belongs to motor component technical field, is related to a kind of based on the electronic of bearing chamber high-precision rolling technology
Generator terminal lid.
Background technique
Electric motor end cap, be it is common a kind of for fixing the structure of motor in motor, be divided into drive end bearing bracket and rear end cap, shaft
It is typically inserted through drive end bearing bracket, rear end cap plays a protective role.In the prior art, shaft is equipped in motor front end cover, outside shaft
It is arranged bearing, bearing is fixed with motor front end cover, and bearing can cause axial float in motor rotation process, and the play of bearing is logical
It crosses motor front end cover and passes to shaft, cause shaft also play, cause to interact.
Summary of the invention
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of based on the electronic of bearing chamber high-precision rolling technology
Generator terminal lid.
A kind of End cover for motor based on bearing chamber high-precision rolling technology, including end cap ontology are equipped in end cap ontology
Bearing chamber has the shaft hole for wearing shaft in bearing chamber, is additionally provided with bearing positioning chamber and stress in the bearing chamber
Cavity configuration is eliminated, the stress elimination cavity configuration connects bearing positioning chamber, and in the stress elimination cavity configuration and bearing
Corresponding position is enclosed with gap.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, the stress elimination cavity configuration packet
Stress relief loops that twisted rotary shaft hole is arranged and in a ring are included, stress relief loops outer ring is connected to bearing positioning chamber, stress elimination
There is gap between ring inner ring and bearing chamber.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, it is equipped in the bearing chamber in circle
The bearing positioning step of annular, bearing positioning step connect the outer ring of stress relief loops.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, shaft hole one end is connected with sealing lip
Accommodating hole, the other end are connected with the anti-attaching space of bearing, the inner ring of the anti-attaching space connection stress relief loops of the bearing.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, the end cap ontology is equipped with one
Shaft outside a prominent end cap ontology reinforces interconnecting piece, and the sealing lip accommodating hole is located at shaft and reinforces in interconnecting piece, and turns
Axis is reinforced smoothly transitting between interconnecting piece outer wall and end cap body outer wall.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, the shaft reinforces interconnecting piece and is in
Cylinder, the sealing lip accommodating hole is cylindrical and internal diameter is greater than the internal diameter of shaft hole.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, the tolerance of the bearing chamber interior walls
Band is 0.015mm, and roughness is 1.6 μm, cylindricity 0.004mm, and circle bounce is 0.02mm.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, the end cap ontology, which is equipped with, to be used
Motor position-arresting ring in positioning motor end, is equipped with several threaded holes on motor position-arresting ring, and motor position-arresting ring bottom is equipped with one
The axial line of a cylindrical motor abutment sleeve, the motor position-arresting ring and motor abutment sleeve is mutually perpendicular to.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, in the end cap ontology and surround
Bearing chamber is provided with an installation cavity, and the cross-sectional area of the installation cavity is gradually become smaller from the top of installation cavity to bottom, institute
The cross-sectional area for the bearing chamber stated is become larger from the top of bearing chamber to bottom.
In the above-mentioned End cover for motor based on bearing chamber high-precision rolling technology, the installation cavity bottom is in smooth
Cabochon, and direction component of the side wall of installation cavity from the top of installation cavity to bottom draws close the center line of installation cavity.
Compared with prior art, utility model has the advantages that
1, it is isolated between bearing inner race and end cap ontology with stress elimination cavity configuration, avoids bearing inner race straight to end cap ontology
Application active force is connect, the play between bearing and shaft is reduced, it is more stable in motor operation course.
2, the margin of tolerance reduces, improves at double in terms of roughness/cylindricity/bounce, various aspects precision General Promotion, effectively
Avoid that assembling is poor, bearing walks the failures such as outer circle.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the working principle diagram of the utility model.
In figure: end cap ontology 1, bearing chamber 2, shaft hole 3, bearing positioning chamber 4, stress elimination cavity configuration 5, stress relief loops
6, the anti-attaching space 9 of bearing positioning step 7, sealing lip accommodating hole 8, bearing, shaft reinforce interconnecting piece 10, motor position-arresting ring 11,
Motor abutment sleeve 12, installation cavity 13, motor 100, bearing 101, shaft 102.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As depicted in figs. 1 and 2, a kind of End cover for motor based on bearing chamber high-precision rolling technology, including end cap ontology
1, it is equipped with bearing chamber 2 in end cap ontology 1, there is the shaft hole 3 for wearing shaft in bearing chamber 2, in the bearing chamber 2
It is additionally provided with bearing positioning chamber 4 and stress elimination cavity configuration 5, the stress elimination cavity configuration 5 connects bearing positioning chamber 4, and institute
The stress elimination cavity configuration 5 stated position corresponding with 101 inner ring of bearing has gap, which refers to when bearing is installed to
After in bearing positioning chamber 4,101 outer ring of bearing is fixed with 2 inner wall of bearing chamber, and bearing inner race and shaft 102 are fixed, and bearing inner race
Side wall and stress elimination cavity configuration 5 between there is gap, stress elimination cavity configuration 5 is not directly contacted with bearing, plays buffering and makees
With the play between bearing and shaft is reduced, more stable in 100 operational process of motor.
In the present embodiment, stress elimination cavity configuration 5 includes stress relief loops that twisted rotary shaft hole 3 is arranged and in a ring
6,6 outer ring of stress relief loops is connected to bearing positioning chamber 4, has gap, Ye Jiying between 6 inner ring of stress relief loops and bearing chamber 2
Power is eliminated to be not directly contacted between ring 6 and shaft or bearing, to avoid interfering with each other between bearing inner race and shaft.
Further setting, the interior bearing positioning step 7 being equipped in circular ring shape of bearing chamber 2, the connection of bearing positioning step 7 are answered
Power eliminates the outer ring of ring 6, and 101 outer ring of bearing is resisted against on bearing positioning step 7, forms positioning.
3 one end of shaft hole is connected with sealing lip accommodating hole 8, and the other end is connected with the anti-attaching space 9 of bearing, the bearing
Anti- attaching space 9 connects the inner ring of stress relief loops 6, and the anti-attaching space 9 of bearing is a space structure, makes stress relief loops 6
It is formed and is isolated between bearing inner race, so that bearing inner race be avoided to directly act on end cap ontology, end cap ontology will not to shaft
Generate the effect of power.
End cap ontology 1 is equipped with the shaft outside a prominent end cap ontology 1 and reinforces interconnecting piece 10, and the sealing lip holds
It sets hole 8 to be located in shaft reinforcement interconnecting piece 10, shaft reinforces interconnecting piece 10 and is used to reinforce the connection between shaft and end cap ontology
Intensity, shaft are reinforced smoothly transitting between 10 outer wall of interconnecting piece and 1 outer wall of end cap ontology.
Shaft reinforcement interconnecting piece 10 is cylindrical, and the sealing lip accommodating hole 8 is cylindrical and internal diameter is greater than shaft hole 3
Internal diameter.
In the present embodiment, end cap ontology 1 is using the method processing of rolling rather than uses Vehicle Processing, the public affairs of 2 inner wall of bearing chamber
Difference band is 0.015mm, and roughness is 1.6 μm, cylindricity 0.004mm, and circle bounce is 0.02mm.
The bearing chamber 2 of the present embodiment, the margin of tolerance reduce, improve at double in terms of roughness/cylindricity/bounce, various aspects
Precision General Promotion, effectively avoids that assembling is poor, bearing walks the failures such as outer circle.
End cap ontology 1 is equipped with the motor position-arresting ring 11 for positioning motor end, if being equipped on motor position-arresting ring 11
Dry threaded hole, 11 bottom of motor position-arresting ring are equipped with a cylindrical motor abutment sleeve 12, the motor position-arresting ring 11
It is mutually perpendicular to the axial line of motor abutment sleeve 12.
As shown in connection with fig. 2, motor 100 is set in motor abutment sleeve 12, and 100 end of motor is supported with motor position-arresting ring 11
By cooperation, it is fixedly connected between motor and end cap ontology with bolt.
Be provided with an installation cavity 13 in end cap ontology 1 and around bearing chamber 2, the cross-sectional area of the installation cavity 13 by
The top of installation cavity 13 gradually becomes smaller to bottom, and the internal component of 100 end of motor enters in installation cavity 13, the axis
The cross-sectional area for holding room 2 is become larger from the top of bearing chamber 2 to bottom, to improve the intensity of bearing chamber 2.
13 bottom of installation cavity is in smooth cabochon, and side of the side wall of installation cavity 13 from the top of installation cavity 13 to bottom
The center line of installation cavity 13 is drawn close to component.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although end cap ontology 1, bearing chamber 2, shaft hole 3, bearing positioning chamber 4, stress elimination chamber is used more herein
The anti-attaching space 9 of structure 5, stress relief loops 6, bearing positioning step 7, sealing lip accommodating hole 8, bearing, shaft reinforce interconnecting piece
10, the terms such as motor position-arresting ring 11, motor abutment sleeve 12, installation cavity 13, motor 100, bearing 101, shaft 102, but not
It rules out the possibility of using other terms.The use of these items is only for be more convenient to describe and explain sheet of the invention
Matter, being construed as any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. a kind of End cover for motor based on bearing chamber high-precision rolling technology, including end cap ontology (1), end cap ontology (1) is interior
There is the shaft hole (3) for wearing shaft equipped with bearing chamber (2), in bearing chamber (2), which is characterized in that the bearing chamber
(2) bearing positioning chamber (4) and stress elimination cavity configuration (5) are additionally provided in, stress elimination cavity configuration (5) the connection bearing is fixed
Position chamber (4), and stress elimination cavity configuration (5) position corresponding with bearing inner race has gap.
2. the End cover for motor according to claim 1 based on bearing chamber high-precision rolling technology, which is characterized in that described
Stress elimination cavity configuration (5) include twisted rotary shaft hole (3) setting and stress relief loops (6) in a ring, stress relief loops
(6) outer ring connection bearing positioning chamber (4) has gap between stress relief loops (6) inner ring and bearing chamber (2).
3. the End cover for motor according to claim 2 based on bearing chamber high-precision rolling technology, which is characterized in that described
Bearing chamber (2) in be equipped with bearing positioning step (7) in circular ring shape, bearing positioning step (7) connects stress relief loops (6)
Outer ring.
4. the End cover for motor according to claim 2 based on bearing chamber high-precision rolling technology, which is characterized in that shaft
Hole (3) one end is connected with sealing lip accommodating hole (8), and the other end is connected with the anti-attaching space of bearing (9), the anti-contact of the bearing
Space (9) connects the inner ring of stress relief loops (6).
5. the End cover for motor according to claim 4 based on bearing chamber high-precision rolling technology, which is characterized in that described
End cap ontology (1) be equipped with the outer shaft of a prominent end cap ontology (1) and reinforce interconnecting piece (10), the sealing lip accommodates
Hole (8) is located at shaft and reinforces in interconnecting piece (10), and shaft reinforces light between interconnecting piece (10) outer wall and end cap ontology (1) outer wall
It slips over and crosses.
6. the End cover for motor according to claim 5 based on bearing chamber high-precision rolling technology, which is characterized in that described
Shaft reinforce that interconnecting piece (10) are cylindrical, and the sealing lip accommodating hole (8) is cylindrical and internal diameter is greater than shaft hole (3)
Internal diameter.
7. the End cover for motor according to claim 1 based on bearing chamber high-precision rolling technology, which is characterized in that described
Bearing chamber (2) inner wall tolerance range be 0.015mm, roughness be 1.6 μm, cylindricity 0.004mm, circle bounce is
0.02mm。
8. the End cover for motor according to claim 1 based on bearing chamber high-precision rolling technology, which is characterized in that described
End cap ontology (1) be equipped with for positioning motor end motor position-arresting ring (11), in motor position-arresting ring (11) if on be equipped with
Dry threaded hole, motor position-arresting ring (11) bottom are equipped with a cylindrical motor abutment sleeve (12), the motor stop bit
The axial line of ring (11) and motor abutment sleeve (12) is mutually perpendicular to.
9. the End cover for motor according to claim 1 based on bearing chamber high-precision rolling technology, which is characterized in that described
End cap ontology (1) in and bearing chamber (2) be provided with an installation cavity (13), the cross-sectional area of the installation cavity (13)
Gradually become smaller from the top of installation cavity (13) to bottom, the cross-sectional area of the bearing chamber (2) from the top of bearing chamber (2) to
Bottom becomes larger.
10. the End cover for motor according to claim 9 based on bearing chamber high-precision rolling technology, which is characterized in that institute
Installation cavity (13) bottom stated is in smooth cabochon, and the side wall of installation cavity (13) is from the top of installation cavity (13) to bottom
Direction component draws close the center line of installation cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228474.XU CN209462150U (en) | 2019-02-21 | 2019-02-21 | End cover for motor based on bearing chamber high-precision rolling technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228474.XU CN209462150U (en) | 2019-02-21 | 2019-02-21 | End cover for motor based on bearing chamber high-precision rolling technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462150U true CN209462150U (en) | 2019-10-01 |
Family
ID=68046775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920228474.XU Expired - Fee Related CN209462150U (en) | 2019-02-21 | 2019-02-21 | End cover for motor based on bearing chamber high-precision rolling technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462150U (en) |
-
2019
- 2019-02-21 CN CN201920228474.XU patent/CN209462150U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20200221 |