CN211321091U - Motor bearing installation component and motor - Google Patents
Motor bearing installation component and motor Download PDFInfo
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- CN211321091U CN211321091U CN202020326851.6U CN202020326851U CN211321091U CN 211321091 U CN211321091 U CN 211321091U CN 202020326851 U CN202020326851 U CN 202020326851U CN 211321091 U CN211321091 U CN 211321091U
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- end cover
- motor bearing
- chamber structure
- motor
- mounting assembly
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- 238000009434 installation Methods 0.000 title claims abstract description 37
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to a motor field provides a motor bearing installation component and motor, wherein, motor bearing installation component includes the end cover, passes pivot that the end cover extends, is located the bearing spare in the end cover outside becomes the room structure soon with, the bearing spare is located including the cover the inner circle of pivot with laminate in the outer lane in the end cover outside, it locates to become the room structure cover soon the pivot is connected in the end cover, and become the room structure soon with the end cover is along axial centre gripping the outer lane. Motor bearing installation component, independent soon each other becomes room structure and end cover can press from both sides tight bearing spare jointly in the axial direction, can realize the installation location of bearing spare more easily, simplified the operation, improved assembly efficiency.
Description
Technical Field
The utility model relates to a motor field, in particular to motor bearing installation component to a motor is related to.
Background
In a motor for a vehicle, a rotor shaft is supported by a bearing, an inner race of the bearing is connected to one end of the shaft, and an outer race of the bearing is required to be axially fixed in a bearing chamber of an end cover.
The traditional axial fixing mode of the bearing outer ring is as follows: the bearing outer ring is axially fixed by the bearing pressing plate, a plurality of threaded holes are circumferentially arranged on the bearing pressing plate, the motor end cover is provided with threaded through holes which are circumferentially arranged, and bolts are screwed into the threaded holes of the bearing pressing plate through the threaded through holes of the motor end cover when the bearing pressing plate is assembled, so that the bearing outer ring is locked, and the axial positioning effect of the bearing outer ring is achieved. The bearing pressing plate is provided with a plurality of threaded holes, the bearing pressing plate is provided with no positioning structure, the threaded holes corresponding to the motor end covers cannot be found accurately, a certain position needs to be found by the rotating bearing pressing plate or the rear end cover, and the bearing outer ring is locked, so that the bearing pressing plate is complex to install and consumes time.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a motor bearing installation component to solve the comparatively difficult problem of installation location operation of motor bearing.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a motor bearing installation component, wherein, motor bearing installation component includes the end cover, passes the pivot that the end cover extends, is located the bearing spare and the rotary chamber structure in the end cover outside, the bearing spare is located including the cover the inner circle of pivot with laminate in the outer lane in the end cover outside, rotary chamber structure cover is located the pivot is connected to the end cover, and rotary chamber structure with the axial centre gripping is followed to the end cover the outer lane.
Furthermore, the periphery of the rotary variable chamber structure is provided with a connecting part protruding outwards in the radial direction, the rotary variable chamber structure is a non-central symmetrical structure surrounding the central axis of the rotating shaft, and the outer side surface of the end cover is provided with a groove corresponding to the rotary variable chamber structure in shape.
Further, the spiral chamber structure is screwed to the end cover through a screw connector.
Further, a first step surface for axially supporting the rotary variable chamber structure and a second step surface for axially supporting the outer ring are formed in the groove.
Furthermore, the outer side of the rotary transformer chamber structure is provided with an installation chamber, the motor bearing installation assembly comprises a rotary transformer positioned in the installation chamber, and the rotary transformer comprises a rotor sleeved on the rotating shaft and a stator sleeved on the rotor in a hollow manner.
Furthermore, a pressing plate in threaded connection with the rotary transformer chamber structure is arranged on the outer side of the rotary transformer chamber structure, a third step surface for axially supporting the stator is arranged in the installation chamber, and the stator is axially clamped by the pressing plate and the third step surface.
Furthermore, the pressing plate is a C-shaped annular plate with an opening, a protruding part protruding outwards is arranged on the periphery of the pressing plate, an installation groove corresponding to the pressing plate in shape is formed in the outer side of the rotary deformation chamber structure, a positioning hole is formed in the pressing plate, and a positioning pin penetrating through the positioning hole is connected in the installation groove.
Furthermore, the rotating shaft is sleeved with a pressure ring which is positioned at the outer side of the rotor and is pressed on the rotor.
Furthermore, the outer side of the end cover is connected with a protective cover covering the rotating shaft and the rotary variable chamber structure.
Compared with the prior art, motor bearing installation component have following advantage:
motor bearing installation component, independent soon each other becomes room structure and end cover can press from both sides tight bearing spare jointly in the axial direction, can realize the installation location of bearing spare more easily, simplified the operation, improved assembly efficiency.
Another object of the present invention is to provide a motor to solve the problem of difficult operation of the installation and positioning of the motor bearing.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a motor, wherein, the motor is provided with the motor bearing installation component of above scheme.
The motor and the motor bearing mounting assembly have the same advantages compared with the prior art, and are not described in detail herein.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a cross-sectional view of a motor bearing mounting assembly passing through a central axis of a rotating shaft according to an embodiment of the present invention;
fig. 2 is a schematic view of a rotary transformer chamber structure according to an embodiment of the present invention.
Description of reference numerals:
1-end cover, 2-rotating shaft, 3-bearing piece, 4-inner ring, 5-outer ring, 6-rotation chamber structure, 7-rotor, 8-stator, 9-pressing plate, 10-positioning pin, 11-protective cover and 12-pressing ring.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
The utility model discloses in mention "inboard", "the outside" be with the end cover for the reference and define inside one side as the inboard, the opposite side is the outside to define on this basis along axial inside and outside direction, and then promote the relative position relation of other parts inboard and the outside. In addition, "axial direction" refers to the central axis direction of the rotating shaft.
The utility model provides a motor bearing installation component, wherein, motor bearing installation component includes end cover 1, passes pivot 2 that end cover 1 extends, be located the bearing spare 3 in the 1 outside of end cover and change room structure 6 soon, bearing spare 3 is located including the cover the inner circle 4 of pivot 2 with laminate in the outer lane 5 in the 1 outside of end cover, change room structure 6 cover soon and locate pivot 2 and connect in end cover 1, and change room structure 6 soon with end cover 1 is along the axial centre gripping outer lane 5.
The end cover 1 is a part of a motor shell, and is provided with a through hole for allowing the rotating shaft 2 to pass through so as to support the rotating shaft 2; the end cap 1 supports the shaft 2 by means of a bearing member 3 to allow the shaft 2 to rotate relative to the end cap 1.
Referring to fig. 1, the bearing member 3 may be located outside the end cover 1 (i.e. outside the motor housing), the rotation chamber structure 6 is located outside the end cover 1, and is formed into a ring structure that is substantially sleeved on the rotating shaft 2 and can be axially pressed on the outer ring 5 of the bearing member 3, and the bearing member 3 can be clamped by the cooperation of the end cover 1 and the rotation chamber structure 6, so as to realize the positioning and installation of the bearing member 3.
The swirl chamber structure 6 and the end cap 1 are not integrally formed, and they can be connected together by various conventional means, such as screwing, snap-fitting, interference-fitting, etc.
In this scheme, through with end cover 1 complex become room structure 6 soon, can be more convenient, simply with the location installation of bearing piece 3, improved assembly efficiency.
Specifically, the periphery of the rotary variable chamber structure 6 is provided with a connecting portion protruding outward in the radial direction, the rotary variable chamber structure 6 is a non-centrosymmetric structure surrounding the central axis of the rotating shaft 2, and the outer side surface of the end cover 1 is provided with a groove corresponding to the shape of the rotary variable chamber structure 6. Referring to fig. 2, the overall profile of the swirl chamber structure 6 is generally annular, but not a centrally symmetric structure, with outwardly projecting connections provided on the outer periphery, and correspondingly, the outer side surface of the end cap 1 is provided with a groove corresponding to the profile shape of the swirl chamber structure 6, i.e., the groove is also not centrally symmetric, so that it is easy to mount the swirl chamber structure 6 on the outer side of the end cap 1 in a suitable relative positioning.
Further, the spiral chamber structure 6 is screwed to the end cover 1 through a screw. Referring to fig. 2, a through hole is formed in a radially outwardly protruding connecting portion of the swirling chamber structure 6, so that a screwing member (a bolt or a screw) can be screwed to the end cover 1 through the connecting portion, and since the swirling chamber structure 6 is a non-centrosymmetric structure, the problem of alignment between the through hole of the swirling chamber structure 6 and a threaded hole in the end cover 1 does not need to be considered basically, so that the operation is more convenient, and the assembly efficiency is improved.
Furthermore, a first step surface axially supporting the swirl chamber structure 6 and a second step surface axially supporting the outer ring 5 are formed in the groove. The first step surface and the second step surface are not coplanar with each other and may be arranged parallel to each other, i.e. the end cap 1 supports the rotation chamber structure 6 and the outer ring 5 of the bearing piece 3, respectively, at different positions in the axial direction, so that the rotation chamber structure 6 and the bearing piece 3 are at different positions in the axial direction, so as to clamp the bearing piece 3 together by the rotation chamber structure 6 and the end cap 1.
In addition, the outside of the rotating chamber structure 6 is provided with an installation chamber, the motor bearing installation component comprises a rotating converter positioned in the installation chamber, and the rotating converter comprises a rotor 7 sleeved on the rotating shaft 2 and a stator 8 sleeved on the rotor 7 in an empty mode. The mounting chamber is a recessed portion arranged on the outer side of the rotary transformation chamber structure 6, of course, a through hole for accommodating the rotating shaft 2 to pass through is formed in the rotary transformation chamber structure 6, the recessed portion also surrounds the recessed portion, and the rotary transformer is accommodated in the recessed portion, so that the measurement of the angular speed and the angle of the rotating shaft 2 can be realized. The resolver comprises a rotor 7 and a stator 8, the rotor 7 is sleeved and connected with the rotating shaft 2 to synchronously rotate with the rotating shaft 2, the stator 8 is sleeved on the rotor 7 in an empty mode and keeps static, and the rotation of the rotor 7 relative to the stator 8 can realize the measurement of the angular speed and the relative angle of the rotating shaft 2.
Specifically, the outer side of the rotary transformer chamber structure 6 is provided with a pressing plate 9 in threaded connection with the rotary transformer chamber structure 6, a third step surface for axially supporting the stator 8 is arranged in the installation chamber, and the pressing plate 9 and the third step surface axially clamp the stator 8. Referring to fig. 1, the mounting chamber of the swirling chamber structure 6 has a third step surface (not labeled) on which the stator 8 can be axially supported, and a pressing plate 9 is provided outside the swirling chamber structure 6, and the pressing plate 9 can press against the stator 8 to clamp the stator 8 together with the third step surface. Wherein, the pressure plate 9 is screwed on the rotary variable chamber structure 6 through a screw connector.
Further, the pressing plate 9 is a C-shaped ring plate with an opening, a protruding portion protruding outwards is arranged on the periphery of the pressing plate 9, an installation groove corresponding to the pressing plate 9 in shape is arranged on the outer side of the rotary chamber structure 6, a positioning hole is arranged on the pressing plate 9, and a positioning pin 10 penetrating through the positioning hole is connected in the installation groove. The pressing plate 9 is a generally annular plate but has an opening to allow the lead wires connected to the resolver to be led out, and is formed on its outer periphery with a projection projecting radially outward, that is, the pressing plate 9 is not a centrosymmetric structure, and correspondingly, a mounting groove having a shape corresponding thereto is formed on the outer side surface of the resolver housing 6, and the through hole of the pressing plate 9 is aligned simultaneously with the screw hole of the resolver housing 6 while the projection is aligned with the corresponding portion of the mounting groove, without additional operation. In addition, referring to fig. 2, the mounting groove is further provided with a positioning pin 10, and the pressing plate 9 is provided with a positioning hole, so that the pressing plate 9 can be quickly assembled on the rotary transformer chamber structure 6.
In addition, the rotating shaft 2 is sleeved with a pressure ring 12 which is positioned at the outer side of the rotor 7 and is pressed on the rotor 7. A step surface for supporting the rotor 7 is also formed on the rotating shaft 2, and the pressing ring 12 is pressed on the rotor 7 along the axial direction and matched with the step surface on the rotating shaft 2 to clamp the rotor 7, so that the axial positioning of the rotor 7 is realized. The pressing ring 12 can be installed on the rotating shaft 2 in an interference fit manner, or can be locked on the rotating shaft 2 through a radial pin shaft (the pin shaft penetrates through the pressing ring 12 and the rotating shaft).
In addition, the outer side of the end cover 1 is connected with a protective cover 11 covering the rotating shaft 2 and the rotary transformation chamber structure 6. The protective cover 11 can be screwed on the outer side of the end cover 1 through a screw connector, and the protective cover 11 can protect structures such as the spiral change chamber structure 6, the bearing piece 3 and the spiral change device on the outer side of the end cover 1 and prevent external dust from entering the structures.
Additionally, the utility model also provides a motor, wherein, the motor is provided with above scheme motor bearing installation component. The motor bearing mounting assembly is a part of a motor and is used for rotatably mounting and supporting one end of a motor rotating shaft 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a motor bearing installation component, characterized in that, motor bearing installation component includes end cover (1), passes pivot (2) that end cover (1) extends, be located bearing spare (3) and the room structure (6) that become soon in the end cover (1) outside, bearing spare (3) are located including the cover inner circle (4) of pivot (2) with laminate in outer lane (5) in the end cover (1) outside, it locates to become soon room structure (6) cover pivot (2) and be connected in end cover (1), and become soon room structure (6) with end cover (1) are along axial centre gripping outer lane (5).
2. The motor bearing mounting assembly according to claim 1, characterized in that the periphery of the swirl chamber structure (6) is provided with a radially outwardly protruding connection, the swirl chamber structure (6) is a non-centrosymmetric structure around the central axis of the rotating shaft (2), and the outer side surface of the end cap (1) is provided with a groove corresponding to the shape of the swirl chamber structure (6).
3. The motor bearing mounting assembly according to claim 2, characterized in that the swirl chamber structure (6) is screwed to the end cover (1) by means of a screw connection.
4. The motor bearing mounting assembly according to claim 2, wherein the recess has formed therein a first step surface axially supporting the spin chamber structure (6) and a second step surface axially supporting the outer race (5).
5. The motor bearing mounting assembly of claim 1, characterized in that a mounting chamber is arranged outside the rotating chamber structure (6), the motor bearing mounting assembly comprises a rotating converter positioned in the mounting chamber, and the rotating converter comprises a rotor (7) sleeved on the rotating shaft (2) and a stator (8) sleeved on the rotor (7).
6. The motor bearing mounting assembly according to claim 5, characterized in that a pressure plate (9) screwed with the rotary transformer chamber structure (6) is arranged on the outer side of the rotary transformer chamber structure (6), a third step surface for axially supporting the stator (8) is arranged in the mounting chamber, and the pressure plate (9) and the third step surface axially clamp the stator (8).
7. The motor bearing mounting assembly according to claim 6, wherein the pressure plate (9) is a C-shaped ring plate with an opening, the periphery of the pressure plate (9) is provided with a protruding part protruding outwards, an installation groove corresponding to the shape of the pressure plate (9) is arranged on the outer side of the rotary transformation chamber structure (6), a positioning hole is arranged on the pressure plate (9), and a positioning pin (10) penetrating through the positioning hole is connected in the installation groove.
8. Motor bearing mounting assembly according to claim 7, characterized in that a pressure ring (12) located outside the rotor (7) and pressed against the rotor (7) is sleeved on the rotating shaft (2).
9. Motor bearing mounting assembly according to claim 1, characterized in that a protective cover (11) covering the shaft (2), the rotating chamber structure (6) is connected to the outside of the end cap (1).
10. An electrical machine, characterized in that the electrical machine is provided with a motor bearing mounting assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020326851.6U CN211321091U (en) | 2020-03-16 | 2020-03-16 | Motor bearing installation component and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020326851.6U CN211321091U (en) | 2020-03-16 | 2020-03-16 | Motor bearing installation component and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211321091U true CN211321091U (en) | 2020-08-21 |
Family
ID=72079595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020326851.6U Active CN211321091U (en) | 2020-03-16 | 2020-03-16 | Motor bearing installation component and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211321091U (en) |
-
2020
- 2020-03-16 CN CN202020326851.6U patent/CN211321091U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: 071000 in No.75 Dongsheng Road, Lianchi District, Baoding City, Hebei Province Patentee after: Baoding R & D branch of honeycomb transmission system (Jiangsu) Co.,Ltd. Address before: 071000 No.75 Dongsheng Road, Lianchi District, Baoding City, Hebei Province Patentee before: Beehive electric drive technology Hebei Co.,Ltd. |
|
| TR01 | Transfer of patent right |