CN208923957U - A kind of electric motor end cap and its external rotor electric machine of application - Google Patents
A kind of electric motor end cap and its external rotor electric machine of application Download PDFInfo
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- CN208923957U CN208923957U CN201821615844.7U CN201821615844U CN208923957U CN 208923957 U CN208923957 U CN 208923957U CN 201821615844 U CN201821615844 U CN 201821615844U CN 208923957 U CN208923957 U CN 208923957U
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- end cap
- axle sleeve
- electric motor
- motor end
- fixed part
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Abstract
The utility model discloses a kind of electric motor end cap and its external rotor electric machines of application, the electric motor end cap includes end cap ontology and axle sleeve, the axle sleeve is the axle sleeve of metal material manufacture, end cap ontology includes end plate, end plate central is equipped with mounting base, axle sleeve is mounted in mounting base, bearing chamber there are two being set in axle sleeve, axle sleeve outside wall surface is protruding with several cricoid fixed parts, the inner wall of mounting base is corresponding with fixed part to be equipped with several grooves, and fixed part, which is mounted in groove, makes end cap ontology link together with axle sleeve.The metal material is iron, and the axle sleeve wearability of iron material matter is good, and the combination of axle sleeve and stator core is closer, it is not easy to loosen；The enhanced strength of bearing chamber avoids the wriggling between bearing chamber and bearing；Fixed part strengthens the binding force between axle sleeve and mounting base, prevents axle sleeve and end cap ontology from falling off.
Description
Technical field:
The utility model relates to a kind of electric motor end cap and its external rotor electric machines of application.
Background technique:
Existing external rotor electric machine, including electric motor end cap, outer rotor component, stator module and shaft, the outer rotor group
Part is installed together with shaft, and stator module is mounted on the interior intracavitary of outer rotor component, and electric motor end cap includes end cap ontology and axis
Set, end cap ontology and axle sleeve integration cast, and stator module is mounted on outside axle sleeve, stator module include stator core and around
The coil windings on stator core are made, bearing is installed in the bearing chamber of axle sleeve, shaft is mounted in bearing and passes through bearing
It is supported in electric motor end cap, traditional electric motor end cap is full cast-aluminum end cover, and aluminium end cap intensity is low, is influenced to be easy by motor torsion
Existing bearing and bearing chamber are wriggled, and the binding force of end cap and stator core is poor, are easy to loosen.
Utility model content:
The purpose of the utility model is to provide a kind of electric motor end cap and its external rotor electric machines of application, can solve bearing and axis
It holds room and is easy the problem of wriggling.
The purpose of this utility model is achieved by following technical proposals.
First purpose of the utility model is to provide a kind of electric motor end cap, including end cap ontology and axle sleeve, feature exist
In: the axle sleeve is the axle sleeve of metal material manufacture, and end cap ontology includes end plate, and end plate central is equipped with mounting base, axle sleeve
It is mounted in mounting base, is set in axle sleeve there are two bearing chamber, axle sleeve outside wall surface is protruding with several cricoid fixed parts, mounting base
Inner wall it is corresponding with fixed part be equipped with several grooves, fixed part, which is mounted in groove, makes end cap ontology and axle sleeve is connected to one
It rises.
The metal material is iron.
The outer peripheral surface of fixed part described above protrudes several arc bumps, by butt face between two neighboring arc bump
Connection.
The end radially protruding of axle sleeve described above has fastening plates, fastening plates and fixed position in the same end, fastening plates position
In in end plate.
Fastening plates outer edge radially protruding described above has several reinforcing ribs, and several reinforcing ribs are located in end plate.
End plate described above is recessed with lightening recesses between two neighboring reinforcing rib.
End cap ontology described above is aluminium material.
The end cap ontology of aluminium material described above is the periphery for being cast in the fixed part of axle sleeve.
End cap ontology described above is protruding with reinforcing annular seat, the bottom of reinforcing annular seat and end plate in mounting base outer peripheral surface
Connection.
Second purpose of the utility model is to provide a kind of external rotor electric machine, including electric motor end cap, outer rotor component, fixed
Sub-component and shaft, it is characterised in that: the electric motor end cap is electric motor end cap described above, and the stator module is mounted on axis
Set is outer, and bearing is equipped in the bearing chamber of axle sleeve, and the outer rotor component is installed together with shaft, and stator module is mounted on outer
Rotor assembly it is interior intracavitary, shaft is mounted in bearing and is supported in electric motor end cap by bearing.
The utility model compared with prior art, has the effect that
1) axle sleeve is the axle sleeve of metal material manufacture, and end cap ontology includes end plate, and end plate central is equipped with installation
Seat, axle sleeve are mounted in mounting base, are set in axle sleeve there are two bearing chamber, axle sleeve outside wall surface is protruding with several cricoid fixations
Portion, the inner wall of mounting base is corresponding with fixed part to be equipped with several grooves, and fixed part, which is mounted in groove, makes end cap ontology and axis
Set links together, and the metal material is iron, and the axle sleeve wearability of iron material matter is good, and the combination of axle sleeve and stator core is tighter
It is close, it is not easy to loosen；The enhanced strength of bearing chamber avoids the wriggling between bearing chamber and bearing；Fixed part strengthens axle sleeve
Binding force between mounting base prevents axle sleeve and end cap ontology from falling off；
2) outer peripheral surface of fixed part protrudes several arc bumps, is connected between two neighboring arc bump by butt face,
Arc bump can prevent axial-rotation between axle sleeve and mounting base；
3) the end radially protruding of the axle sleeve has fastening plates, fastening plates and fixed position in the same end, and fastening plates are located at
In end plate, fastening plates increase the structural strength of end cap ontology；
4) the fastening plates outer edge radially protruding has several reinforcing ribs, and several reinforcing ribs are located at the reinforcing rib in end plate
The structural strength of end cap ontology is further increased, the conjugation between axle sleeve and mounting base is enhanced；
5) end plate is recessed with lightening recesses between two neighboring reinforcing rib, and lightening recesses alleviate electric motor end cap
Weight；
6) the end cap ontology is aluminium material, the end cap ontology of the aluminium material be cast in axle sleeve fixed part it is outer
It encloses, casting technique is simple, ensure that the combination between end cap ontology and axle sleeve is firm；
7) the end cap ontology is protruding with reinforcing annular seat in mounting base outer peripheral surface, and the bottom of reinforcing annular seat and end plate connect
It connects, reinforcing annular seat strengthens the binding force between mounting base and end plate, improves the intensity of end cap ontology；
8) external rotor electric machine is improved by the structure to electric motor end cap, ensure that electric motor end cap and bearing
Cooperation, ensure that the binding force of electric motor end cap and stator module, improves external rotor electric machine reliability, extend external rotor electric machine
Service life.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram for the electric motor end cap that the utility model embodiment one provides；
Fig. 2 is the explosive view for the electric motor end cap that the utility model embodiment one provides；
Fig. 3 is the cross-sectional view for the electric motor end cap that the utility model embodiment one provides；
Fig. 4 is the perspective view of the bottom bracket axle for the electric motor end cap that the utility model embodiment one provides；
Fig. 5 is the side view of the bottom bracket axle for the electric motor end cap that the utility model embodiment one provides；
Fig. 6 is the cross-sectional view for the electric motor end cap that the utility model embodiment two provides；
Fig. 7 is the perspective view of the bottom bracket axle for the electric motor end cap that the utility model embodiment two provides；
Fig. 8 is the cross-sectional view for the electric motor end cap that the utility model embodiment three provides；
Fig. 9 is the perspective view of the bottom bracket axle for the electric motor end cap that the utility model embodiment three provides.
Specific embodiment:
The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment one:
As shown in Figures 1 to 5, provided in this embodiment is a kind of electric motor end cap, including end cap ontology 1 and axle sleeve 2, spy
Sign is: the axle sleeve 2 is the axle sleeve of metal material manufacture, and the end cap ontology 1 includes end plate 11,11 center of end plate
Equipped with mounting base 12, axle sleeve 2 is mounted in mounting base 12, is set in axle sleeve 2 there are two bearing chamber 21,2 outside wall surface 22 of axle sleeve is protruded
There are several cricoid fixed parts 23, the inner wall 121 of mounting base 12 is corresponding with fixed part 23 to be equipped with several grooves 122, Gu
Determine portion 23 and be mounted in groove 122 end cap ontology 1 is made to link together with axle sleeve 2.
The metal material is iron.
2 wearability of axle sleeve of the present embodiment electric motor end cap, iron material matter is good, and the combination of axle sleeve 2 and stator core is closer, no
It is easy to loosen；The enhanced strength of bearing chamber 21 avoids the wriggling between bearing chamber 21 and bearing；Fixed part 23 strengthens axle sleeve
Binding force between 2 and mounting base 12 prevents axle sleeve 2 and end cap ontology 1 from falling off.
The outer peripheral surface of fixed part 23 described above protrudes several arc bumps 231, two neighboring arc bump 231 it
Between connected by butt face 232.Arc bump 231 can prevent axial-rotation between axle sleeve 2 and mounting base 12.
End cap ontology 1 described above is aluminium material.The end cap ontology 1 of the aluminium material is the fixed part for being cast in axle sleeve 2
23 periphery.Casting technique is simple, ensure that the combination between end cap ontology 1 and axle sleeve 2 is firm.
End cap ontology 1 described above is protruding with reinforcing annular seat 13, the bottom of reinforcing annular seat 13 in 12 outer peripheral surface of mounting base
Portion is connect with end plate 11.Reinforcing annular seat 13 strengthens the binding force between mounting base 12 and end plate 11, improves end cap ontology 1
Intensity.
Embodiment two:
As shown in Figure 6 and Figure 7, electric motor end cap provided in this embodiment is similar with electric motor end cap described in embodiment one, different
Place is:
The end radially protruding of axle sleeve 2 described above has fastening plates 24, and fastening plates 24 and fixed part 23 are located at the same end, tightly
Solid plate 24 is located in end plate 11.
The present embodiment electric motor end cap, fastening plates 24 increase the structural strength of end cap ontology 1.
Embodiment three:
As shown in Figure 8 and Figure 9, electric motor end cap provided in this embodiment is similar with electric motor end cap described in embodiment two, different
Place is:
24 outer edge radially protruding of fastening plates described above has several reinforcing ribs 25, and several reinforcing ribs 25 are located at end plate 11
It is interior.
The present embodiment electric motor end cap, reinforcing rib 25 further increase the structural strength of end cap ontology 1, enhance axle sleeve 2
With the conjugation between mounting base 12.
End plate 11 described above is recessed with lightening recesses 15 between two neighboring reinforcing rib 25.Lightening recesses 15 mitigate
The weight of electric motor end cap.
Example IV:
The present embodiment provides being a kind of external rotor electric machine, including electric motor end cap 3, outer rotor component, stator module and shaft,
It is characterized by: the electric motor end cap 3 is electric motor end cap described in embodiment one or embodiment two or embodiment three, the stator
Component is mounted on outside axle sleeve 2, and bearing is equipped in the bearing chamber 21 of axle sleeve 2, and the outer rotor component is installed together with shaft,
Stator module is mounted on the interior intracavitary of outer rotor component, and shaft is mounted in bearing and is supported in electric motor end cap 3 by bearing.
External rotor electric machine described in the present embodiment is improved by the structure to electric motor end cap 3, ensure that electric motor end cap 3
With the cooperation of bearing, the binding force of electric motor end cap 3 Yu stator module ensure that, improve external rotor electric machine reliability, extend
The service life of external rotor electric machine.
Above embodiments are the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of electric motor end cap, including end cap ontology (1) and axle sleeve (2), it is characterised in that: the axle sleeve (2) is a metal
The axle sleeve of material production, the end cap ontology (1) include end plate (11), and end plate (11) center is equipped with mounting base (12), axle sleeve (2)
It is mounted in mounting base (12), is set in axle sleeve (2) there are two bearing chamber (21), axle sleeve (2) outside wall surface (22) is protruding with several
Cricoid fixed part (23), the inner wall (121) of mounting base (12) is corresponding with fixed part (23) to be equipped with several grooves (122),
Fixed part (23), which is mounted in groove (122), makes end cap ontology (1) link together with axle sleeve (2).
2. a kind of electric motor end cap according to claim 1, it is characterised in that: the metal material is iron.
3. a kind of electric motor end cap according to claim 1, it is characterised in that: the outer peripheral surface of the fixed part (23) protrudes
Several arc bumps (231) are connected by butt face (232) between two neighboring arc bump (231).
4. a kind of electric motor end cap according to claim 3, it is characterised in that: the end radially protruding of the axle sleeve (2) has
Fastening plates (24), fastening plates (24) and fixed part (23) are located at the same end, and fastening plates (24) are located in end plate (11).
5. a kind of electric motor end cap according to claim 4, it is characterised in that: fastening plates (24) the outer edge radially protruding
Have several reinforcing ribs (25), several reinforcing ribs (25) are located in end plate (11).
6. a kind of electric motor end cap according to claim 5, it is characterised in that: the end plate (11) is in two neighboring reinforcing rib
(25) lightening recesses (15) are recessed between.
7. a kind of electric motor end cap as claimed in any of claims 1 to 6, it is characterised in that: the end cap ontology (1)
For aluminium material.
8. a kind of electric motor end cap according to claim 7, it is characterised in that: the end cap ontology (1) of the aluminium material is casting
It makes in the periphery of the fixed part (23) of axle sleeve (2).
9. a kind of electric motor end cap according to claim 8, it is characterised in that: the end cap ontology (1) is in mounting base (12)
Outer peripheral surface is protruding with reinforcing annular seat (13), and the bottom of reinforcing annular seat (13) is connect with end plate (11).
10. a kind of external rotor electric machine, including electric motor end cap (3), outer rotor component, stator module and shaft, it is characterised in that: institute
Stating electric motor end cap (3) is electric motor end cap described in any one of claim 1 to 9, and the stator module is mounted on axle sleeve (2)
Outside, bearing is installed in the bearing chamber (21) of axle sleeve (2), the outer rotor component is installed together with shaft, stator module peace
Intracavitary in outer rotor component, shaft is mounted in bearing and is supported in electric motor end cap (3) by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615844.7U CN208923957U (en) | 2018-09-30 | 2018-09-30 | A kind of electric motor end cap and its external rotor electric machine of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615844.7U CN208923957U (en) | 2018-09-30 | 2018-09-30 | A kind of electric motor end cap and its external rotor electric machine of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208923957U true CN208923957U (en) | 2019-05-31 |
Family
ID=66708141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821615844.7U Active CN208923957U (en) | 2018-09-30 | 2018-09-30 | A kind of electric motor end cap and its external rotor electric machine of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208923957U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248826A1 (en) * | 2020-06-11 | 2021-12-16 | 嵊州市正德电机有限公司 | Pressure resistant end cap for motor |
| CN114362420A (en) * | 2021-12-07 | 2022-04-15 | 中车永济电机有限公司 | End cover structure of fan |
| WO2023092890A1 (en) * | 2021-11-26 | 2023-06-01 | 中山大洋电机股份有限公司 | Outer rotor motor |
-
2018
- 2018-09-30 CN CN201821615844.7U patent/CN208923957U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248826A1 (en) * | 2020-06-11 | 2021-12-16 | 嵊州市正德电机有限公司 | Pressure resistant end cap for motor |
| WO2023092890A1 (en) * | 2021-11-26 | 2023-06-01 | 中山大洋电机股份有限公司 | Outer rotor motor |
| CN114362420A (en) * | 2021-12-07 | 2022-04-15 | 中车永济电机有限公司 | End cover structure of fan |
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