CN106026493B - Motor bearing installation structure and motor - Google Patents
Motor bearing installation structure and motor Download PDFInfo
- Publication number
- CN106026493B CN106026493B CN201610619634.4A CN201610619634A CN106026493B CN 106026493 B CN106026493 B CN 106026493B CN 201610619634 A CN201610619634 A CN 201610619634A CN 106026493 B CN106026493 B CN 106026493B
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- CN
- China
- Prior art keywords
- bearing
- cover
- housing
- bearing holder
- motor
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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
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- 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
- H02K7/08—Structural association with bearings
Abstract
The present invention relates to technical field of motors, specifically disclose a kind of motor bearing installation structure and motor.The motor bearing installation structure includes bearing holder (housing, cover) and screw ring;The bearing holder (housing, cover) is cylindrical shape, is set in the centre bore of electric motor end cap, and the second outer lug boss being arranged on the outside of the first outer lug boss by being arranged on the outside of one end and the other end is fixed on electric motor end cap;It is provided with inner convex platform on the inside of described bearing holder (housing, cover) one end, the outer ring of the bearing in the bearing holder (housing, cover) is fitted into for backstop, the first screw thread is provided on the inner wall of the other end;It is provided with the second screw thread on the outer wall of the screw ring, and is matched with first screw thread by second screw thread, the outer ring for being loaded into the bearing in the bearing holder (housing, cover) compresses.The present invention makes bearing be installed on electric motor end cap indirectly, reduces the abrasion caused by electric motor end cap.
Description
Technical field
The present invention relates to technical field of motors more particularly to a kind of motor bearing installation structures and motor.
Background technology
In field of motor manufacturing, electric motor end cap generally uses aluminum alloy materials to cast, and the electric motor end cap of this material has
Casting be easy, lighter in weight, preferable process for machining the advantages that.But the electric motor end cap that quality is softer, central hole bearing
Installation it is often not firm enough, the position for installing bearing is easy to wear, this weak link has resulted in entire electric motor end cap
Service life is shorter.
Invention content
The main object of the present invention is to provide a kind of motor bearing installation structure and motor, reduces bearing to electric motor end cap
Abrasion.
In order to achieve the above technical purposes, the present invention proposes following technical solution:
A kind of motor bearing installation structure, including bearing holder (housing, cover) and screw ring;The bearing holder (housing, cover) is cylindrical shape, is set in electricity
The centre bore of generator terminal lid, and the second outer lug boss being arranged on the outside of the first outer lug boss by being arranged on the outside of one end and the other end buckles
It is fixed on electric motor end cap;It is provided with inner convex platform on the inside of described bearing holder (housing, cover) one end, the axis in the bearing holder (housing, cover) is fitted into for backstop
The outer ring held is provided with the first screw thread on the inner wall of the other end;It is provided with the second screw thread on the outer wall of the screw ring and leads to
It crosses second screw thread to match with first screw thread, the outer ring for being loaded into the bearing in the bearing holder (housing, cover) compresses.
Further, the motor bearing installation structure, wherein the first outer lug boss and the second outer lug boss of the bearing holder (housing, cover)
On offer notch, the notch is adapted with the protrusion being arranged on electric motor end cap.
Further, the motor bearing installation structure, wherein in first outer lug boss or in second outer lug boss
It is provided with the inclined-plane to the bearing holder (housing, cover) sloped-end.
Further, the motor bearing installation structure, wherein being provided at least two on the end face of screw ring one end
A rotating hole, for using tool to rotate the screw ring.
Further, the motor bearing installation structure, wherein the bearing holder (housing, cover) is steel bearings set.
Further, the motor bearing installation structure, wherein the end face of one end that the screw ring is in contact with bearing
It is tilted by outer wall inward wall.
A kind of motor, which is characterized in that include the motor bearing installation structure as the present invention.
The beneficial effects of the present invention are bearing is mounted on by motor bearing installation structure on electric motor end cap, and axis is avoided
It holds and is directly mounted at end cap, outer lug boss and notch are provided on bearing holder (housing, cover), can avoid bearing mounting structure and axis occurs on end cap
To with move radially, these measures all ensure that bearing installation stabilization, reduce bearing installation caused by electric motor end cap mill
Damage.
Description of the drawings
Fig. 1 is the schematic diagram of motor bearing installation structure in one embodiment of the invention;
Fig. 2 is the schematic diagram of one embodiment of the invention centre bearer bush;
Fig. 3 is the schematic diagram of screw ring in one embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Referring to Fig.1, a kind of motor bearing installation structure of the invention, including bearing holder (housing, cover) 1 and screw ring 2.The bearing holder (housing, cover) 1
For cylindrical shape, it is set in the centre bore of electric motor end cap, the first outer lug boss 7 is provided on the outside of one end, is set on the outside of the other end
It is equipped with the second outer lug boss 12, bearing holder (housing, cover) 1 is fixed on electric motor end cap by the first outer lug boss 7 and the second outer lug boss 12.Electric motor end cap 5
On can be arranged and the matched step of above-mentioned boss.Bearing holder (housing, cover) is provided with inner convex platform on the inside of 1 one end, described in backstop loading
The outer ring of bearing 3 in bearing holder (housing, cover) 1 is provided with the first screw thread 9 on the inner wall of the other end.It is provided on the outer wall of screw ring 2
Second screw thread 10.After installation is complete, screw ring 2 is placed in bearing holder (housing, cover) 1 and is located at one end on the outside of motor bearing 3, passes through the second screw thread
10 match with the first screw thread 9, and the screw ring 2 for screwing in bearing holder (housing, cover) 1 is loaded into the outer ring compression of the bearing 3 in bearing holder (housing, cover) 1.
Using the motor of the present invention, bearing 3 and electric motor end cap 5 are the relationships installed indirectly, i.e., 3 mounting structure of bearing is installed
In electric motor end cap 5, and bearing 3 is set in bearing mounting structure.Existing electric motor end cap generally uses aluminum alloy materials to cast,
The electric motor end cap of this material has the advantages that easy casting, lighter in weight, process for machining are preferable, but quality is softer,
The installation of central hole bearing 3 is often not firm enough, and the position for installing bearing 3 is easy to wear.Effect of the invention is that making peace
Assembling structure directly bears bearing 3 in motor operation to the abrasion of peripheral structure, avoids bearing 3 and is directly contributed to electric motor end cap
Abrasion can greatly prolong making for electric motor end cap since bearing mounting structure uses the material more more resistant than electric motor end cap
Use the service life.The motor bearing installation structure of the present invention is equivalent to the material that part changes electric motor end cap, has both saved existing electricity
The advantages of generator terminal cover material, and solve its defect intolerant to bearing wear.
Referring to Fig.1, in terms of the relationship of bearing mounting structure and electric motor end cap 5, cylindric bearing holder (housing, cover) 1 is installed on motor
In the centre bore of end cap 5, the first outer lug boss 7 and the second outer lug boss 12 on the outside of 1 both ends of bearing holder (housing, cover) respectively on electric motor end cap 5
Step is adapted, this structure ensures that bearing holder (housing, cover) 1 will not be axially relative to end cap 5 and be subjected to displacement.The present invention is to above-mentioned two
The size of a outer lug boss is not specifically limited, and the convenience of the installation of bearing holder (housing, cover) 1 is considered as in use, and according to electric motor end cap 5
Size design, diameter and thickness of bearing holder (housing, cover) 1 etc. are because usually determining.
With reference to Fig. 2, in the present embodiment, in order to further fix bearing holder (housing, cover) 1, prevent its diametrically opposed in electric motor end cap
5 rotate, and in 7 and second outer lug boss 12 of above-mentioned first outer lug boss, are provided with notch 8, and notch 8 have it is multiple, along outer
Boss is spaced apart.It is corresponding, on the step compatible with above-mentioned outer lug boss of electric motor end cap 5, what setting was adapted to notch 8
Protrusion.After installation, bearing holder (housing, cover) 1 is limited by two outer lug boss and respective step, will not be moved axially, while by notch
8 and protrusion limitation, will not rotate.
With reference to Fig. 2, in motor bearing installation structure of the invention, it is provided with to bearing in the outer lug boss of 1 one end of bearing holder (housing, cover)
Cover the inclined-plane of 1 sloped-end.In the present embodiment, above-mentioned inclined-plane is set in the second outer lug boss 12.This design be for the ease of
Bearing holder (housing, cover) 1 is installed on electric motor end cap 5, and the height of the general outer lug boss that inclined-plane is arranged is again smaller than another outer lug boss.In use, conduct
Bearing holder (housing, cover) 1 is installed to one of the mode of electric motor end cap 5, needs to be pressed into bearing holder (housing, cover) 1 in the centre bore of electric motor end cap 5, this implementation
One end of the second outer lug boss 12 is the one end for being pressed into electric motor end cap 5 in example, and the effect that inclined-plane is arranged is that, can be in indentation
In the process, reduce the frictional force between bearing holder (housing, cover) 1 and electric motor end cap 5, be easily installed.If being pressed into one end is not provided with evagination
Platform, it is clear that will be deteriorated to the fixed effect of bearing holder (housing, cover) 1, above-mentioned inclined-plane is set, not only ensure that the fixation of bearing holder (housing, cover) 1, but also reduce
The difficulty of installation.
After motor bearing installation structure is installed on electric motor end cap 5, bearing 3 need to be just installed in bearing mounting structure.Ginseng
According to Fig. 1, bearing 3 is put into bearing holder (housing, cover) 1 in use, and shifts one end of bearing holder (housing, cover) 1 onto, when the outer ring of bearing 3 is by bearing holder (housing, cover) 1 one
The inner convex platform institute backstop at end, then bearing 3 is in place.Bearing 3 is fixed in bearing holder (housing, cover) 1, it is also necessary to compress it from the other end.
With reference to Fig. 3, it is provided with the second screw thread 10 on the outer wall of screw ring 2, passes through the second screw thread 10 and the on 1 one end inner wall of bearing holder (housing, cover)
One screw thread 9 matches, and screw ring 2 can screw in bearing holder (housing, cover) 1.During screw ring 2 screws in bearing holder (housing, cover) 1, screw ring 2 contacts
To the outer ring of bearing 3, continue to screw in, then bearing 3 is compressed, i.e., screw ring 2 is matched with above-mentioned inner convex platform, from bearing 3
Both ends are stepped up, it is made to be securely fastened in bearing holder (housing, cover) 1.
With reference to Fig. 3, for the convenience of installation, screw ring 2 is located on the end face of one end on the outside of bearing holder (housing, cover) 1, be provided with to
Few two rotating holes 11.After installation is complete, screw ring 2 is in the state for being fully recessed into bearing holder (housing, cover) 1, so screw ring 2
It screws in and back-out is required for using tool.Above-mentioned rotating hole 11 is exactly to be inserted for the ease of tool, as impetus,
The discrepancy bearing holder (housing, cover) 1 of rotary screw ring 2.
The motor bearing installation structure of the present invention, in use can be with the axial movement of limiting motor axis 4.Referring to Fig.1,
On the motor shaft (4), it is located at the screw ring 2 after installation is complete and the position between bearing 3, shaft block ring 6 is set.Shaft block ring
6 can be in contact with the inner ring of bearing 3, limit the axial movement of motor shaft 4 to a certain extent, ensure the operation peace of motor
Entirely.Correspondingly, should be shaft block ring 6 between screw ring 2 and bearing 3, there are gaps with this, therefore in the present embodiment, screw ring 2
The end face of the one end being in contact with bearing 3 is tilted by outer wall inward wall.At this time close to the position of outer wall, pressure on 2 end face of screw ring
Mandrel holds 3 outer ring, and end face inward wall tilts, and the space of rotation is left for shaft block ring 6.
As described above, the motor bearing installation structure of the present invention, the local flow improvement material of electric motor end cap 5 is existing preserving
While having electric motor end cap advantage, the wearability of its axle bearing mount portion position is enhanced.Therefore, the material of bearing mounting structure is inevitable
It is different from electric motor end cap, there should be stronger antiwear property.In the present embodiment, the bearing holder (housing, cover) 1 in bearing mounting structure is steel
Bearing holder (housing, cover) processed.
A kind of motor of the present invention includes the motor bearing installation structure as the present invention.The bearing installation knot of the present invention
Structure, it is all applicable to two end caps of motor.In addition, in use according to specific needs, screw is arranged in the direction of bearing holder (housing, cover) 1
One end of ring 2 is located at the inside or outside of electric motor end cap 5, can adjust, the present invention does not limit.
In conclusion the motor bearing installation structure of the present invention makes bearing be installed on electric motor end cap 5 indirectly, bearing is avoided
To abrasion caused by electric motor end cap 5, it is equivalent to the material that part changes electric motor end cap 5, had both saved 5 material of existing electric motor end cap
The advantages of material, and solve its defect intolerant to bearing wear;Outer lug boss and notch 8 on bearing holder (housing, cover) 1 limit bearing holder (housing, cover) 1
It is mobile, make it that stabilization to be installed between electric motor end cap 5;Inclined-plane is set in the outer lug boss of 1 one end of bearing holder (housing, cover), is pressed convenient for bearing holder (housing, cover) 1
Enter electric motor end cap 5;The dismounting of bearing had both been convenient in the design of screw ring 2, in turn ensured the stabilization of bearing 3.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (6)
1. a kind of motor bearing installation structure, which is characterized in that including bearing holder (housing, cover) and screw ring;
The bearing holder (housing, cover) is cylindrical shape, is set in the centre bore of electric motor end cap, and the first evagination by being arranged on the outside of one end
The the second outer lug boss buckle being arranged on the outside of platform and the other end is fixed on electric motor end cap, is arranged on electric motor end cap and matches with above-mentioned boss
The step of conjunction, offers notch in the first outer lug boss and the second outer lug boss of the bearing holder (housing, cover), the notch on electric motor end cap
The protrusion of setting is adapted;
It is provided with inner convex platform on the inside of described bearing holder (housing, cover) one end, the outer ring of the bearing in the bearing holder (housing, cover) is fitted into for backstop,
The first screw thread is provided on the inner wall of the other end;
It is provided with the second screw thread on the outer wall of the screw ring, and is matched with first screw thread by second screw thread,
The outer ring for being loaded into the bearing in the bearing holder (housing, cover) compresses.
2. motor bearing installation structure according to claim 1, which is characterized in that in first outer lug boss or described
The inclined-plane to the bearing holder (housing, cover) sloped-end is provided in two outer lug boss.
3. motor bearing installation structure according to claim 1, which is characterized in that set on the end face of screw ring one end
At least two rotating holes are equipped with, for using tool to rotate the screw ring.
4. motor bearing installation structure according to claim 1, which is characterized in that the bearing holder (housing, cover) is steel bearings set.
5. motor bearing installation structure according to claim 1, which is characterized in that the screw ring was in contact with bearing
The end face of one end is tilted by outer wall inward wall.
6. a kind of motor, which is characterized in that including the motor bearing installation structure described in any one of claim 1 to 5.
Priority Applications (1)
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CN201610619634.4A CN106026493B (en) | 2016-07-29 | 2016-07-29 | Motor bearing installation structure and motor |
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CN201610619634.4A CN106026493B (en) | 2016-07-29 | 2016-07-29 | Motor bearing installation structure and motor |
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CN106026493A CN106026493A (en) | 2016-10-12 |
CN106026493B true CN106026493B (en) | 2018-09-18 |
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CN110313116B (en) * | 2018-08-20 | 2022-03-25 | 深圳市大疆创新科技有限公司 | Rotating assembly and installation method thereof, motor, holder and unmanned aerial vehicle |
CN110957840A (en) * | 2019-08-30 | 2020-04-03 | 追创科技(苏州)有限公司 | Motor bearing support and motor |
CN115306675B (en) * | 2022-07-08 | 2023-10-27 | 合肥通用机械研究院有限公司 | Oil-free compressor transmission system and piston ring optimization design method thereof |
CN115217744B (en) * | 2022-07-08 | 2023-10-27 | 合肥通用机械研究院有限公司 | Oil-free compressor transmission device and piston ring optimal design method thereof |
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CN2837330Y (en) * | 2005-09-08 | 2006-11-15 | 建联缝衣机股份有限公司 | Bearing positioning improvement structure for sewing machine |
CN203312967U (en) * | 2013-06-30 | 2013-11-27 | 佳木斯电机股份有限公司 | Vertical motor water leakage prevention bearing assembling seal structure |
CN203406714U (en) * | 2013-07-05 | 2014-01-22 | 郑州航宇防爆电机有限公司 | External bearing seat for explosion-proof vibration motor |
CN204497891U (en) * | 2015-03-25 | 2015-07-22 | 湖北惠洋电器制造有限公司 | A kind of motor of stretch end cap and application thereof |
CN205864147U (en) * | 2016-07-29 | 2017-01-04 | 深圳市航天电机系统有限公司 | Motor bearing installation structure and motor |
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