CN201383724Y - Motor end cover and applied outer rotor and outer rotor motor thereof - Google Patents
Motor end cover and applied outer rotor and outer rotor motor thereof Download PDFInfo
- Publication number
- CN201383724Y CN201383724Y CN200920053672U CN200920053672U CN201383724Y CN 201383724 Y CN201383724 Y CN 201383724Y CN 200920053672 U CN200920053672 U CN 200920053672U CN 200920053672 U CN200920053672 U CN 200920053672U CN 201383724 Y CN201383724 Y CN 201383724Y
- Authority
- CN
- China
- Prior art keywords
- cover body
- end cover
- external rotor
- flange
- end cap
- 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 - Lifetime
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Abstract
The utility model discloses a motor end cover which comprises an end cover body (1). One end of the end cover body (1) is open, and a flanging (2) extends outwards at the edge part; a bearing cavity (3) is arranged at the middle part of the other end of the end cover body (1); the flanging (2) is provided with a plurality of installing holes (4); and grooves (6) are depressed on the outer side wall of the end cover body (1) and besides the installing holes (4). Through the grooves depressed on the outer side wall of the end cover body and besides the installing holes of the end cover flanging, the assembling area around the installing holes is expanded, the end cover intensity is increased, the assembling is convenient, and the assembling efficiency is improved, therefore the production efficiency is improved.
Description
Technical field:
The utility model relates to the external rotor and the external rotor electric machine of a kind of electric motor end cap and application thereof.
Background technology:
At present, external rotor and electric motor end cap all adopt the hole in the most external rotor electric machine field--the mounting structure in hole, have following technical problem: 1) end cap lateral wall and installing hole lean on very closely, the assembling area is narrower, assembly space is limited, cause the breakage of end cap when assembling easily, assembling is inconvenient; 2) only adopt the hole--the mounting structure in hole, in when assembling, the screw on end cap installing hole and the external rotor end face can not be accurately, align fast, is difficult to the location, and assembling is difficult; When 3) assembling, installation accuracy is not high, misplaces easily, and efficiency of assembling is low, and production efficiency is low; 4) some technical staff is in order to obtain desirable assembling effect, and needing increases several mounting ears in addition at the end cap edge specially, has increased Mold Making cost and production cost so on the contrary.
The utility model content:
One of them purpose of the present utility model provides a kind of electric motor end cap, and its indent on the lateral wall of the next door of installing hole, end cover body is fluted, has enlarged installing hole fitted around area, increased end cover structure intensity, be convenient to assembling, improved efficiency of assembling, thereby improved production efficiency.
Electric motor end cap of the present utility model is achieved by following technical proposals.
A kind of electric motor end cap, comprise end cover body, an end of end cover body opens wide and is extended with flange outward in edge, and the place is provided with bearing chamber in the middle of the end cover body other end, several installing holes are set on flange, and indent is fluted on the lateral wall of the next door of installing hole, end cover body.
Above-mentioned described flange axially is protruding with positioning boss.
Above-mentioned described positioning boss is a cylinder.
On the lateral wall of above-mentioned described end cover body, between adjacent two grooves, also be provided with several ventilation holes.
Be provided with several air-permeating holes around the end face of above-mentioned described bearing chamber.
Another purpose of the present utility model provides a kind of external rotor, its indent on the lateral wall of the next door of the installing hole on the end cap flange, end cover body is fluted, enlarged installing hole fitted around area, increased end cap intensity, be convenient to assembling, improve efficiency of assembling, thereby improved production efficiency.
External rotor of the present utility model is achieved by following technical proposals.
A kind of external rotor, the external rotor and the end cap that is installed in the external rotor two ends that comprise hollow, have at least an end cap and external rotor dismountable, this detachable end comprises end cover body, one end of end cover body opens wide and is extended with flange outward in edge, the place is provided with bearing chamber in the middle of the end cover body other end, several installing holes are set on flange, the screw corresponding with installing hole is set on one end face of external rotor, screw is installed to end cover body on the external rotor by installing hole, and indent is fluted on the lateral wall of the next door of installing hole, end cover body.
Above-mentioned described flange axially is protruding with positioning boss, and an end face of external rotor is provided with pilot hole, and pilot hole and positioning boss scarf mutually close the location.
The 3rd purpose of the present utility model provides a kind of external rotor electric machine, its indent on the lateral wall of the next door of the installing hole on the end cap flange, end cover body is fluted, enlarged installing hole fitted around area, increased end cap intensity, be convenient to assembling, improve efficiency of assembling, thereby improved production efficiency.
External rotor electric machine of the present utility model is achieved by following technical proposals.
A kind of external rotor electric machine, comprise internal stator, external rotor and rotating shaft, rotating shaft is installed and is connected on the internal stator, the external rotor two ends are provided with end cap, rotating shaft is installed in the bearing chamber of end cap by the bearing supporting, have at least an end cap and external rotor dismountable, this detachable end comprises end cover body, one end of end cover body opens wide and is extended with flange outward in edge, the place is provided with bearing chamber in the middle of the end cover body other end, and several installing holes are set on flange, and the screw corresponding with installing hole is set on the end face of external rotor, screw is installed to end cover body on the external rotor by installing hole, on the next door of installing hole, indent is fluted on the lateral wall of end cover body.
Above-mentioned described flange axially is protruding with positioning boss, and an end face of external rotor is provided with pilot hole, and pilot hole and positioning boss scarf mutually close the location.
The utility model compared with prior art has following advantage: 1) indent is fluted on the lateral wall of the next door of the installing hole on the end cap flange, end cover body, enlarged installing hole fitted around area, increased end cover structure intensity, protect end cover structure simultaneously, reduced Mold Making cost and production cost simultaneously; 2) axially be protruding with positioning boss at flange, the pilot hole on the end face of positioning boss and external rotor scarf mutually closes, and adopts the mounting structure of point to the hole, make the location fast, accurately, the installation accuracy height is convenient to assembling, improve efficiency of assembling, thereby improved production efficiency.
Description of drawings:
Fig. 1 is end cover structure figure of the present utility model.
Fig. 2 is outer-rotor structure figure of the present utility model.
Fig. 3 is a partial sectional view of the present utility model.
Fig. 4 is an external rotor electric machine structure chart of the present utility model.
Fig. 5 is the cutaway view of Fig. 4.
Embodiment:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
As shown in Figure 1, a kind of electric motor end cap, comprise end cover body 1, one end of end cover body 1 opens wide and is extended with flange 2 outward in edge, the place is provided with bearing chamber 3 in the middle of end cover body 1 other end, several installing holes 4 are set, indent fluted 6 on the lateral wall of the next door of installing hole 4, end cover body 1 on flange 2.
Wherein flange 2 axially is protruding with positioning boss 5; Positioning boss 5 is a cylinder; On the lateral wall of end cover body 1, between adjacent two grooves 6, also be provided with several ventilation holes 7; Be provided with several air-permeating holes 8 around the end face of bearing chamber 3.
As Fig. 2, shown in Figure 3, a kind of external rotor, the rotor 9 and the end cap that is installed in rotor 9 two ends that comprise hollow, have at least an end cap and rotor 9 dismountable, this detachable end comprises end cover body 1, one end of end cover body 1 opens wide and is extended with flange 2 outward in edge, the place is provided with bearing chamber 3 in the middle of end cover body 1 other end, several installing holes 4 are set on flange 2, the screw 10 corresponding with installing hole 4 is set on one end face of rotor 9, screw 12 is installed to end cover body 1 on the rotor 9 by installing hole 4, on the next door of installing hole 4, indent fluted 6 on the lateral wall of end cover body 1.
Wherein flange 2 axially is protruding with positioning boss 5, and an end face of external rotor 9 is provided with pilot hole 11, and pilot hole 11 and positioning boss 5 scarf mutually close the location.
As Fig. 3, Fig. 4, shown in Figure 5, a kind of external rotor electric machine, comprise internal stator 13, external rotor 9 and rotating shaft 14, rotating shaft 14 is installed and is connected on the internal stator 13, external rotor 9 two ends are provided with end cap, rotating shaft 14 is installed in 3 li of the bearing chambers of end cap by bearing supporting, have at least an end cap and external rotor 9 dismountable, this detachable end comprises end cover body 1, one end of end cover body 1 opens wide and is extended with flange 2 outward in edge, the place is provided with bearing chamber 3 in the middle of end cover body 1 other end, several installing holes 4 are set on flange 2, the screw 10 corresponding with installing hole 4 is set on one end face of external rotor 9, and screw 12 is installed to end cover body 1 on the external rotor 9 by installing hole 4, on the next door of installing hole 4, indent fluted 6 on the lateral wall of end cover body 1.
Wherein flange 2 axially is protruding with positioning boss 5, and an end face of external rotor 9 is provided with pilot hole 11, and pilot hole 11 and positioning boss 5 scarf mutually close the location.
The foregoing description is a better embodiment of the present utility model; but execution mode of the present utility model is not limited thereto; other are any not to deviate from change, the modification done under spirit of the present utility model and the principle, substitute, combination, simplify; be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (9)
1, a kind of electric motor end cap, comprise end cover body (1), the place is provided with bearing chamber (3) in the middle of end cover body (1) one end, the other end of end cover body (1) opens wide, and be extended with flange (2) outward in edge, several installing holes (4) are set on flange (2), it is characterized in that: indent fluted (6) on the lateral wall of the next door of installing hole (4), end cover body (1).
2, a kind of electric motor end cap according to claim 1 is characterized in that: flange (2) axially is protruding with positioning boss (5).
3, a kind of electric motor end cap according to claim 2 is characterized in that: positioning boss (5) is a cylinder.
4, a kind of electric motor end cap according to claim 1 and 2 is characterized in that: also be provided with several ventilation holes (7) on the lateral wall of end cover body (1), between adjacent two grooves (6).
5, a kind of electric motor end cap according to claim 1 is characterized in that: be provided with several air-permeating holes (8) around the end face of bearing chamber (3).
6, a kind of external rotor, comprise the external rotor (9) of hollow and be installed in the end cap at external rotor (9) two ends, have at least an end cap and external rotor (9) dismountable, this detachable end comprises end cover body (1), one end of end cover body (1) opens wide and is extended with flange (2) outward in edge, the place is provided with bearing chamber (3) in the middle of end cover body (1) other end, several installing holes (4) are set on flange (2), the screw (10) corresponding with installing hole (4) is set on one end face of external rotor (9), screw (12) is installed to end cover body (1) on the external rotor (9) by installing hole (4), it is characterized in that: the next door in installing hole (4), indent fluted (6) on the lateral wall of end cover body (1).
7, a kind of external rotor according to claim 6 is characterized in that: flange (2) axially is protruding with positioning boss (5), and an end face of external rotor (9) is provided with pilot hole (11), and pilot hole (11) and positioning boss (5) scarf mutually close the location.
8, a kind of external rotor electric machine, comprise internal stator (13), external rotor (9) and rotating shaft (14), rotating shaft (14) is installed and is connected on the internal stator (13), external rotor (9) two ends are provided with end cap, rotating shaft (14) is installed in bearing chamber (3) lining of end cap by the bearing supporting, have at least an end cap and external rotor (9) dismountable, this detachable end comprises end cover body (1), one end of end cover body (1) opens wide and is extended with flange (2) outward in edge, the place is provided with bearing chamber (3) in the middle of end cover body (1) other end, several installing holes (4) are set on flange (2), the screw (10) corresponding with installing hole (4) is set on one end face of external rotor (9), screw (12) is installed to end cover body (1) on the external rotor (9) by installing hole (4), it is characterized in that: the next door in installing hole (4), indent fluted (6) on the lateral wall of end cover body (1).
9, a kind of external rotor electric machine according to claim 8 is characterized in that: flange (2) axially is protruding with positioning boss (5), and an end face of external rotor (9) is provided with pilot hole (11), and pilot hole (11) and positioning boss (5) scarf mutually close the location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920053672U CN201383724Y (en) | 2009-03-25 | 2009-03-25 | Motor end cover and applied outer rotor and outer rotor motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920053672U CN201383724Y (en) | 2009-03-25 | 2009-03-25 | Motor end cover and applied outer rotor and outer rotor motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201383724Y true CN201383724Y (en) | 2010-01-13 |
Family
ID=41527195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920053672U Expired - Lifetime CN201383724Y (en) | 2009-03-25 | 2009-03-25 | Motor end cover and applied outer rotor and outer rotor motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201383724Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020219A (en) * | 2010-12-07 | 2011-04-20 | 常熟通润汽车零部件股份有限公司 | Method for processing horizontal type jack wallboard |
| WO2014000479A1 (en) * | 2012-06-29 | 2014-01-03 | 中山大洋电机股份有限公司 | Novel end cover and which for use in external rotor motor |
| CN104993634A (en) * | 2015-06-23 | 2015-10-21 | 郭坚 | Motor end cover |
| CN105099041A (en) * | 2014-04-22 | 2015-11-25 | 德昌电机(深圳)有限公司 | Brushless motor, external rotor of brushless motor and manufacture method of external rotor |
| CN105121250A (en) * | 2013-04-15 | 2015-12-02 | 西门子公司 | Electric machine having a housing over a partial circumference |
| CN105827054A (en) * | 2016-03-17 | 2016-08-03 | 周利 | Motor capable of self cooling and ventilation |
| CN106230161A (en) * | 2016-08-31 | 2016-12-14 | 无锡太昌精密机械有限公司 | Motor cover and the assembling structure of electric machine casing |
| CN107565735A (en) * | 2017-09-26 | 2018-01-09 | 广东威灵电机制造有限公司 | Electric machine casing and there is its motor |
-
2009
- 2009-03-25 CN CN200920053672U patent/CN201383724Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020219A (en) * | 2010-12-07 | 2011-04-20 | 常熟通润汽车零部件股份有限公司 | Method for processing horizontal type jack wallboard |
| CN102020219B (en) * | 2010-12-07 | 2012-09-05 | 常熟通润汽车零部件股份有限公司 | Method for processing horizontal type jack wallboard |
| WO2014000479A1 (en) * | 2012-06-29 | 2014-01-03 | 中山大洋电机股份有限公司 | Novel end cover and which for use in external rotor motor |
| CN105121250A (en) * | 2013-04-15 | 2015-12-02 | 西门子公司 | Electric machine having a housing over a partial circumference |
| CN105121250B (en) * | 2013-04-15 | 2017-07-25 | 西门子公司 | Motor with the housing on part-circular periphery |
| US9866086B2 (en) | 2013-04-15 | 2018-01-09 | Siemens Aktiengesellschaft | Electrical machine having a housing over a partial circumference |
| CN105099041A (en) * | 2014-04-22 | 2015-11-25 | 德昌电机(深圳)有限公司 | Brushless motor, external rotor of brushless motor and manufacture method of external rotor |
| CN104993634A (en) * | 2015-06-23 | 2015-10-21 | 郭坚 | Motor end cover |
| CN105827054A (en) * | 2016-03-17 | 2016-08-03 | 周利 | Motor capable of self cooling and ventilation |
| CN106230161A (en) * | 2016-08-31 | 2016-12-14 | 无锡太昌精密机械有限公司 | Motor cover and the assembling structure of electric machine casing |
| CN107565735A (en) * | 2017-09-26 | 2018-01-09 | 广东威灵电机制造有限公司 | Electric machine casing and there is its motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100113 |