CN107181344B - Motor with easily-detached bearing - Google Patents
Motor with easily-detached bearing Download PDFInfo
- Publication number
- CN107181344B CN107181344B CN201710547226.7A CN201710547226A CN107181344B CN 107181344 B CN107181344 B CN 107181344B CN 201710547226 A CN201710547226 A CN 201710547226A CN 107181344 B CN107181344 B CN 107181344B
- Authority
- CN
- China
- Prior art keywords
- cover
- bearing
- end cover
- accommodating
- groove
- 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.)
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Links
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a motor with an easily-detachable bearing, which comprises a shell, a front end cover fixedly connected with one end of the shell, a rear end cover fixedly connected with the other end of the shell, a rotor, a stator, a rotating shaft, a front bearing, a rear bearing, a front protecting cover and a rear protecting cover, wherein the front end cover is fixedly connected with the other end of the shell; the center of the front end cover is penetrated with a first through hole, the center of the rear end cover is penetrated with a second through hole, the rear protecting cover is penetrated with a third through hole, the center of the outer end surface of the front end cover is provided with a first accommodating box which is fixedly covered with the outer end surface of the front end cover and is used for accommodating the front bearing with the first accommodating box; the center of the outer end face of the rear end cover is provided with a second accommodating groove, the rear protecting cover is fixedly covered with the outer end face of the rear end cover and forms a second accommodating box for accommodating the rear bearing with the second accommodating groove, one end of the rotating shaft sequentially penetrates through the third through hole, the rear bearing, the rear end cover, the rotor, the front end cover and the front bearing, and the other end of the rotating shaft extends out of the rear end cover. Its advantage is that front bearing or rear bearing can be conveniently and quickly changed or maintained.
Description
Technical Field
The invention relates to the technical field of motor heat dissipation, in particular to a motor with a easily detachable bearing.
Background
The motor generally comprises a front end cover, a rear end cover, a rotor, a stator, a rotating shaft, a bearing and a casing, wherein one end of the casing is fixedly connected with the front end cover, the other end of the casing is fixedly connected with the rear end cover, and the inner side surfaces of the front end cover and the rear end cover are respectively provided with the bearing for supporting the rotating shaft. When the bearing needs to be replaced or maintained, the front end cover and the rear end cover are required to be detached at the same time, and the front end cover and the rear end cover are respectively installed after the replacement or maintenance is finished, so that great inconvenience is brought to the replacement or maintenance, and impurities such as dust easily enter the shell after the front end cover and the rear end cover are removed, so that the performance of the motor is influenced; for some large motors, the bearing is more inconvenient to replace or maintain due to the fact that the volume of the bearing is larger and the attraction of the magnetic piece in the machine shell to the bearing is added.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a motor with a easily detachable bearing.
The invention relates to a technical scheme that:
the motor comprises a shell, a front end cover fixedly connected with one end of the shell, a rear end cover fixedly connected with the other end of the shell, a rotor arranged in the shell, a stator arranged in the shell and sleeved outside the rotor, a rotating shaft penetrating through the rotor, a front bearing used for supporting the front end of the rotating shaft, a rear bearing used for supporting the rear end of the rotating shaft, a front protecting cover and a rear protecting cover; the center of the front end cover is penetrated with a first through hole, the center of the rear end cover is penetrated with a second through hole, the rear protecting cover is penetrated with a third through hole, the center of the outer end surface of the front end cover is provided with a first accommodating box which is fixedly covered with the outer end surface of the front end cover and is used for accommodating the front bearing with the first accommodating box; the center of the outer end face of the rear end cover is provided with a second accommodating groove, the rear protecting cover is fixedly covered with the outer end face of the rear end cover and forms a second accommodating box for accommodating the rear bearing with the second accommodating groove, one end of the rotating shaft sequentially penetrates through the third through hole, the rear bearing, the rear end cover, the rotor, the front end cover and the front bearing, and the other end of the rotating shaft extends out of the rear end cover.
The first holding groove side wall is provided with a first notch groove for taking and placing the front bearing, and the second holding groove side wall is provided with a second notch groove for taking and placing the front bearing.
The bottom edge of the first accommodating groove is provided with a first annular groove, the front protecting cover comprises a front cover body and a first extending edge which extends outwards from the peripheral wall of the front cover body, and the diameter of the front cover body is equal to that of the first annular groove; the second holding tank bottom edge is equipped with the second ring channel, and the rear cover includes the back lid to and by the second extension edge of the outside extension of back lid week wall, the diameter of back lid equals with the diameter of second ring channel.
A preferred solution is that the inner diameter of the first annular groove is equal to the outer diameter of the front bearing and that of the second annular groove is equal to the outer diameter of the rear bearing.
The preferable scheme is that the front protecting cover is fixedly connected with the outer end face of the front end cover through screws, and the rear protecting cover is fixedly connected with the outer end face of the rear end cover through screws.
One end of the shell is fixedly connected with the front end cover through a screw, and the other end of the shell is fixedly connected with the rear end cover through a screw.
In combination with the technical scheme, the invention has the beneficial effects that: the front bearing is positioned in the first accommodating box, the rear bearing is positioned in the second accommodating box, and when the front bearing or the rear bearing needs to be replaced or maintained, the front protecting cover and the front end cover are detached, or the rear protecting cover and the rear end cover are detached, so that the front bearing or the rear bearing can be conveniently and quickly replaced or maintained; in the process of replacing or maintaining the front bearing or the rear bearing, as the front protecting cover or the rear protecting cover is only disassembled, other elements in the shell are in a relatively isolated state with the outside, and external dust is reduced from entering the shell. Because the distance between the front bearing or the rear bearing and the magnetic part in the shell is relatively increased, the attraction of the magnetic part in the shell to the front bearing or the rear bearing is relatively weak, and the replacement or the maintenance is further convenient.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a perspective view of the front cover of the present invention;
FIG. 5 is a perspective view of the front end cap of the present invention;
FIG. 6 is a perspective view of the rear cover of the present invention;
fig. 7 is a perspective view of the rear end cap of the present invention.
Detailed Description
As shown in fig. 1 to 7, a bearing-detachable motor includes a housing 100, a front end cap 200 fixedly connected to one end of the housing 100, a rear end cap 300 fixedly connected to the other end of the housing 100, a rotor 700 provided in the housing 100, a stator 800 provided in the housing 100 and sleeved outside the rotor 700, a rotating shaft 600 penetrating the rotor 700, a front bearing 601 for supporting the front end of the rotating shaft 600, a rear bearing 602 for supporting the rear end of the rotating shaft 600, a front protecting cover 400 and a rear protecting cover 500; the center of the front end cover 200 is penetrated with a first through hole 202, the center of the rear end cover 300 is penetrated with a second through hole 302, the rear protecting cover 500 is penetrated with a third through hole 503, the center of the outer end surface of the front end cover 200 is provided with a first accommodating groove 201, and the front protecting cover 400 is fixedly covered with the outer end surface of the front end cover 200 and forms a first accommodating box accommodating the front bearing 601 with the first accommodating groove 201; the center of the outer end face of the rear end cover 300 is provided with a second accommodating groove 301, the rear protecting cover 500 is fixedly covered with the outer end face of the rear end cover 300 and forms a second accommodating box accommodating a rear bearing 602 with the second accommodating groove 301, one end of the rotating shaft 600 sequentially penetrates through the third through hole 503, the rear bearing 602, the rear end cover 300, the rotor 700, the front end cover 200 and the front bearing 601, and the other end extends out of the rear end cover 300.
As shown in fig. 1 to 3, the front bearing 601 is located in the first receiving box, the rear bearing 602 is located in the second receiving box, and when the front bearing 601 or the rear bearing 602 needs to be replaced or maintained, the front cover 400 is detached from the front cover 200, or the rear cover 500 is detached from the rear cover 300, so that the front bearing 601 or the rear bearing 602 can be conveniently and rapidly replaced or maintained; during the replacement or repair of the front bearing 601 or the rear bearing 602, since only the front cover 400 or the rear cover 500 is detached, other components in the housing 100 are in a relatively isolated state from the outside, and external dust is reduced from entering the housing 100. Because the distance between the front bearing 601 or the rear bearing 602 and the magnetic element in the casing 100 is relatively increased, the attraction force of the magnetic element in the casing 100 to the front bearing 601 or the rear bearing 602 is relatively weak, and the replacement or the maintenance is further convenient.
As shown in fig. 4 and 5, the side wall of the first accommodating groove 201 is provided with a first notch groove 203 for taking and placing the front bearing 601, and the side wall of the second accommodating groove 301 is provided with a second notch groove 303 for taking and placing the front bearing 601. When the front bearing 601 and the rear bearing 602 are large in size or heavy in weight, the clamping jaws of the external clamping tool extend into the first notch groove 203 or the second notch groove 303, so that the front bearing 601 and the rear bearing 602 can be conveniently taken down; when the front bearing 601 and the rear bearing 602 are mounted, since the magnetic member in the casing 100 generates a certain attractive force to the front bearing 601 or the rear bearing 602, a certain eccentricity occurs when the front bearing 601 or the rear bearing 602 is mounted, and when the external gripping tool grips the front bearing 601 or the rear bearing 602 to be placed in the corresponding first accommodation groove 201 or second accommodation groove 301, the front bearing 601 or the rear bearing 602 can be prevented from being eccentrically mounted.
As shown in fig. 4 and 5, the bottom edge of the first accommodating groove 201 is provided with a first annular groove, the front protecting cover 400 comprises a front cover body 401 and a first extending edge 402 extending outwards from the peripheral wall of the front cover body 401, the diameter of the front cover body 401 is equal to that of the first annular groove, the inner diameter of the first annular groove is equal to the outer diameter of the front bearing 601, the front bearing 601 is placed in the first accommodating groove 201, the front cover body 40 of the front protecting cover 400 is seated in the first annular groove, and the front protecting cover 400 compresses the front bearing 601 in the first accommodating groove 201; as shown in fig. 6 and 7, the bottom edge of the second receiving groove 301 is provided with a second annular groove 304, the rear cover 500 includes a rear cover 501 and a second extending edge 502 extending outwardly from the peripheral wall of the rear cover 501, the diameter of the rear cover 501 is equal to the diameter of the second annular groove 304, the inner diameter of the second annular groove 304 is equal to the outer diameter of the rear bearing 602, the rear bearing 602 is placed in the second annular groove 304, the rear cover 500 sits in the second annular groove 304, and the rear cover 500 presses the rear bearing 602 in the second annular groove 304.
As shown in fig. 1 and 2, the front cover 400 is fixedly connected with the outer end surface of the front end cover 200 through a screw, and the first extension edge 402 is fixedly connected with the outer end surface of the front end cover 200 through a screw; the rear cover 500 is fixedly connected with the outer end surface of the rear end cover 300 through screws, and the second extension edge 502 is fixedly connected with the rear end cover 300 through screws.
As shown in fig. 1 and 2, one end of the casing 100 is fixedly connected to the front cover 200 by screws, and the other end is fixedly connected to the rear cover 300 by screws.
The foregoing is a specific embodiment of the invention, it will be appreciated by those skilled in the art that modifications and variations may be made without departing from the principles of the invention, and such modifications and variations are to be regarded as being within the scope of the invention.
Claims (5)
1. The motor is characterized by further comprising a front end cover fixedly connected with one end of the housing, a rear end cover fixedly connected with the other end of the housing, a rotor arranged in the housing, a stator arranged in the housing and sleeved outside the rotor, a rotating shaft penetrating through the rotor, a front bearing used for supporting the front end of the rotating shaft, a rear bearing used for supporting the rear end of the rotating shaft, a front protecting cover and a rear protecting cover; the center of the front end cover is penetrated with a first through hole, the center of the rear end cover is penetrated with a second through hole, the rear protecting cover is penetrated with a third through hole, the center of the outer end surface of the front end cover is provided with a first accommodating groove, and the front protecting cover is fixedly covered with the outer end surface of the front end cover and forms a first accommodating box for accommodating the front bearing with the first accommodating groove; the center of the outer end face of the rear end cover is provided with a second accommodating groove, the rear protecting cover is fixedly covered with the outer end face of the rear end cover and forms a second accommodating box for accommodating the rear bearing with the second accommodating groove, one end of the rotating shaft sequentially penetrates through the third through hole, the rear bearing, the rear end cover, the rotor, the front end cover and the front bearing, and the other end of the rotating shaft extends out of the rear end cover;
the first holding groove lateral wall is equipped with the first breach groove that is used for getting to put the front bearing, the second holding groove lateral wall is equipped with the second breach groove that is used for getting to put the front bearing.
2. The bearing-removable motor of claim 1, wherein the first receiving groove bottom edge is provided with a first annular groove, the front cover comprises a front cover body and a first extending edge extending outwards from a peripheral wall of the front cover body, and the diameter of the front cover body is equal to that of the first annular groove; the second holding tank bottom edge is equipped with the second ring channel, the rear cover includes the back lid to and by the second extension edge of the outside extension of back lid perisporium, the diameter of back lid equals with the diameter of second ring channel.
3. The bearing removable electric machine of claim 2, wherein the first annular groove has an inner diameter equal to an outer diameter of the front bearing and the second annular groove has an inner diameter equal to an outer diameter of the rear bearing.
4. A bearing detachable motor according to any of claims 1 to 3, wherein said front cover is fixedly connected to the outer end face of the front cover by screws, and said rear cover is fixedly connected to the outer end face of the rear cover by screws.
5. A bearing removable electric machine as claimed in any one of claims 1 to 3 wherein one end of the housing is fixedly connected to the front end cap by means of screws and the other end is fixedly connected to the rear end cap by means of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547226.7A CN107181344B (en) | 2017-07-06 | 2017-07-06 | Motor with easily-detached bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547226.7A CN107181344B (en) | 2017-07-06 | 2017-07-06 | Motor with easily-detached bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107181344A CN107181344A (en) | 2017-09-19 |
| CN107181344B true CN107181344B (en) | 2023-11-17 |
Family
ID=59844977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710547226.7A Active CN107181344B (en) | 2017-07-06 | 2017-07-06 | Motor with easily-detached bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107181344B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708625U (en) * | 2010-06-29 | 2011-01-12 | 江西泰豪特种电机有限公司 | Shaft current prevention device of electric generator |
| JP2012210088A (en) * | 2011-03-30 | 2012-10-25 | Hitachi Ltd | Bearing portion structure of electric motor |
| CN103026593A (en) * | 2010-10-06 | 2013-04-03 | 三菱电机株式会社 | Rotary electrical device, bearing attachment and detachment tool, and bearing replacement method |
| CN203243162U (en) * | 2013-04-20 | 2013-10-16 | 上海申宝泵业有限公司 | Easy-detachable motor |
| CN103490547A (en) * | 2013-10-11 | 2014-01-01 | 江阴美森电气有限公司 | Easily-maintained anti-riot type variable-frequency speed regulation asynchronous motor |
| CN104113158A (en) * | 2013-04-20 | 2014-10-22 | 上海申宝泵业有限公司 | Portable motor |
| CN204858810U (en) * | 2015-08-21 | 2015-12-09 | 宁波市比尔迪赛电机有限公司 | End cover detachable motor |
| CN105490433A (en) * | 2015-11-27 | 2016-04-13 | 苏州朗高电机有限公司 | Motor end cover capable of facilitating bearing replacement |
| JP2017046460A (en) * | 2015-08-26 | 2017-03-02 | 株式会社東芝 | Electric motor |
| CN206180732U (en) * | 2016-11-16 | 2017-05-17 | 大连达尔马电机有限公司 | Permanent -magnet direct -drive motor for masticator |
| CN207039350U (en) * | 2017-07-06 | 2018-02-23 | 明程电机技术（深圳）有限公司 | Bearing easy-dismount motor |
-
2017
- 2017-07-06 CN CN201710547226.7A patent/CN107181344B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708625U (en) * | 2010-06-29 | 2011-01-12 | 江西泰豪特种电机有限公司 | Shaft current prevention device of electric generator |
| CN103026593A (en) * | 2010-10-06 | 2013-04-03 | 三菱电机株式会社 | Rotary electrical device, bearing attachment and detachment tool, and bearing replacement method |
| JP2012210088A (en) * | 2011-03-30 | 2012-10-25 | Hitachi Ltd | Bearing portion structure of electric motor |
| CN203243162U (en) * | 2013-04-20 | 2013-10-16 | 上海申宝泵业有限公司 | Easy-detachable motor |
| CN104113158A (en) * | 2013-04-20 | 2014-10-22 | 上海申宝泵业有限公司 | Portable motor |
| CN103490547A (en) * | 2013-10-11 | 2014-01-01 | 江阴美森电气有限公司 | Easily-maintained anti-riot type variable-frequency speed regulation asynchronous motor |
| CN204858810U (en) * | 2015-08-21 | 2015-12-09 | 宁波市比尔迪赛电机有限公司 | End cover detachable motor |
| JP2017046460A (en) * | 2015-08-26 | 2017-03-02 | 株式会社東芝 | Electric motor |
| CN105490433A (en) * | 2015-11-27 | 2016-04-13 | 苏州朗高电机有限公司 | Motor end cover capable of facilitating bearing replacement |
| CN206180732U (en) * | 2016-11-16 | 2017-05-17 | 大连达尔马电机有限公司 | Permanent -magnet direct -drive motor for masticator |
| CN207039350U (en) * | 2017-07-06 | 2018-02-23 | 明程电机技术（深圳）有限公司 | Bearing easy-dismount motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107181344A (en) | 2017-09-19 |
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