CN209313579U - A kind of end cap of external rotor electric machine and its external rotor electric machine, the blower of application - Google Patents
A kind of end cap of external rotor electric machine and its external rotor electric machine, the blower of application Download PDFInfo
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- CN209313579U CN209313579U CN201920066246.7U CN201920066246U CN209313579U CN 209313579 U CN209313579 U CN 209313579U CN 201920066246 U CN201920066246 U CN 201920066246U CN 209313579 U CN209313579 U CN 209313579U
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- end cap
- external rotor
- electric machine
- rotor electric
- receiver
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Abstract
The utility model discloses a kind of end cap of external rotor electric machine and its external rotor electric machines of application, blower, the end cap of the external rotor electric machine includes end cap ontology, end cap body central is inwardly projecting receiver, receiver both ends are respectively equipped with first bearing room and second bearing room, first bearing room is located in end cap ontology, it is characterized by: the outer rim of end cap ontology has extended radially out several installation feet, installation foot is equipped with the first mounting hole and the second mounting hole, each first mounting hole surrounds one to be justified by first installation in the center of circle of receiver center O, each second mounting hole surrounds one to be justified by second installation in the center of circle of receiver center O.The first mounting hole and the second mounting hole of installation foot make external rotor electric machine adapt to two different installation dimensions, facilitate the installation of external rotor electric machine, end cap is convenient for production, at low cost.
Description
Technical field:
The utility model relates to a kind of end cap of external rotor electric machine and its external rotor electric machines of application, blower.
Background technique:
Existing external rotor electric machine includes plastic packaging stator, outer rotor and shaft, and plastic packaging stator is moulded by stator module and BMC
Body injection molding is sealed, BMC plastic-sealed body wraps stator module, sets that there are two bearing chamber, bearing indoor locations among BMC plastic-sealed body
There is bearing, outer rotor covers outside plastic packaging stator, and shaft is installed together with outer rotor, and shaft is connected by bearing and plastic packaging stator
It connects.But the production poor controllability of this plastic packaging stator, production efficiency is low, and heat dissipation effect is poor, and BMC material utilizes material to be not reproducible
Material, so that at high cost, the poor work stability of external rotor electric machine.Stator module installation is inconvenient.
Utility model content:
The purpose of the utility model is to provide a kind of end cap of external rotor electric machine and its external rotor electric machines of application, can solve
Existing plastic packaging stator produces poor controllability, problem at high cost.
The purpose of this utility model is achieved by following technical proposals.
First purpose of the utility model is to provide a kind of end cap of external rotor electric machine, including end cap ontology, end cap sheet
Body center is inwardly projecting receiver, and receiver both ends are respectively equipped with first bearing room and second bearing room, first bearing room position
In in end cap ontology, it is characterised in that: the outer rim of end cap ontology has extended radially out several installation feet, and installation foot is equipped with the first peace
Hole and the second mounting hole are filled, each first mounting hole surrounds one to be justified by first installation in the center of circle of receiver center O, each second peace
Dress hole surrounds one and justifies by second installation in the center of circle of receiver center O.
The outer rim of end cap ontology described above extends radially out four installation feet, and four the second mounting holes surround a rectangle.
First installation diameter of a circle D described above is 126.5mm≤D≤127.5mm, the rectangular first side length L1
It is 69mm≤L2≤71mm for 96mm≤L1≤98mm, rectangular second side length L2.
The outer end face of the end cap ontology described above is axially projecting outside first bearing room annular convex platform, convex annular
Several external reinforcing ribs are equipped between platform and outer end face, part external reinforcing ribs connect the side of left and right two of installation foot.
The inner face of end cap ontology described above is equipped with annular groove in the periphery of receiver, and inner face is outside annular groove
It encloses to form step surface, several interior reinforcing ribs is equipped between the lateral surface and step surface of receiver.
Step surface described above is recessed with mounting groove, and the outer rim of the end cap ontology is equipped with notch, and notch is located at mounting groove
It is other.
The inner face of end cap ontology described above is additionally provided with bit-avoiding slot, and bit-avoiding slot is between annular groove and step surface.
End cap ontology and receiver integrated die-casting molding described above.
End cap described above is made of aluminum alloy materials or zinc alloy material.
Second purpose of the utility model is to provide a kind of external rotor electric machine, including end cap, stator module, shaft and outer
Rotor assembly, stator module include stator core, the overhang insulation being mounted in stator core both ends of the surface, are wound around overhang insulation
On coil windings, outer rotor component is sleeved on outside stator module, and shaft is installed together with outer rotor component, and feature exists
In: the end cap is the end cap of external rotor electric machine described above, and the stator core is outside receiver, the two of stator module
The first insulated end cover and the second insulated end cover are also equipped on a end face, the first insulated end cover and the second insulated end cover are located at coil
Between winding and end cap, the first bearing room of receiver and second bearing indoor location have bearing, and shaft passes through two bearing peaces
In receiver.
The inner face of end cap ontology described above is additionally provided with bit-avoiding slot, first insulated end cover below end cap
Side is equipped with temperature controller bracket, is equipped with temperature controller on temperature controller bracket, temperature controller bracket is located in bit-avoiding slot.
Second purpose of the utility model is to provide a kind of blower, including pedestal, external rotor electric machine and wind wheel, the wind
Wheel is sleeved in the shaft of external rotor electric machine, it is characterised in that: the external rotor electric machine is external rotor electric machine described above, institute
It states the first mounting hole or the second mounting hole is mounted on the base by screw.
The utility model compared with prior art, has the effect that
1) end cap of the external rotor electric machine, the outer rim of end cap ontology have extended radially out several installation feet, have set on installation foot
There are the first mounting hole and the second mounting hole, each first mounting hole surrounds one to be justified by first installation in the center of circle of receiver center O,
Each second mounting hole surrounds one to be justified by second installation in the center of circle of receiver center O；By the way that stator module and end cap are separated,
Facilitate production, reduce costs, it is two different that the first mounting hole and the second mounting hole of installation foot adapt to external rotor electric machine
Installation dimension facilitates the installation of external rotor electric machine；
2) outer rim of the end cap ontology extends radially out four installation feet, and four the second mounting holes surround a rectangle, outside
The installation of rotor electric machine is more convenient；
3) inner face of the end cap ontology is equipped with annular groove in the periphery of receiver, and inner face is in annular groove periphery
Step surface is formed, several interior reinforcing ribs are equipped between the lateral surface and step surface of receiver；Interior reinforcing rib strengthens end cap ontology
Hardness；
4) step surface is recessed with mounting groove, and the outer rim of the end cap ontology is equipped with notch, and notch is located at by mounting groove,
Mounting groove and notch are convenient for the installation of wire clamp；
5) inner face of the end cap ontology is additionally provided with bit-avoiding slot, and bit-avoiding slot is between annular groove and step surface；It keeps away
Position slot facilitates the installation of temperature controller；
6) outer end face of the end cap ontology described in is axially projecting outside first bearing room annular convex platform, annular convex platform
Between outer end face be equipped with several external reinforcing ribs, part external reinforcing ribs connect installation foot the side of left and right two, external reinforcing ribs into
One step strengthens the intensity of end cap ontology and installation foot；
7) the end cap ontology and the molding of receiver integrated die-casting；It is convenient for production, it is at low cost；
8) external rotor electric machine, including end cap, stator module, shaft and outer rotor component, stator module include stator
Iron core, the overhang insulation being mounted in stator core both ends of the surface, the coil windings being wound around on overhang insulation, outer rotor component set
Outside stator module, shaft is installed together with outer rotor component, it is characterised in that: the end cap is described above outer turn
The end cap of sub-motor, the stator core are also equipped with the first insulating end on two end faces of stator module outside receiver
Lid and the second insulated end cover, the first insulated end cover and the second insulated end cover are between coil windings and end cap, and the of receiver
One bearing chamber and second bearing indoor location have bearing, and shaft is mounted in receiver by two bearings；End cap become attached to for line
Circle winding and end cap are kept apart, and be ensure that the insulating properties of the two, are eliminated BMC package body structure, reduce production cost, convenient
The installation of motor；
9) blower, including pedestal, external rotor electric machine and wind wheel, the wind wheel are sleeved in the shaft of external rotor electric machine,
Be characterized in that: the external rotor electric machine is external rotor electric machine described above, and first mounting hole or the second mounting hole pass through
Screw is mounted on the base；Blower is easy to assembly, at low cost.
Detailed description of the invention:
Fig. 1 is the perspective view of the end cap for the external rotor electric machine that the utility model embodiment one provides；
Fig. 2 is another angle perspective view of the end cap for the external rotor electric machine that the utility model embodiment one provides；
Fig. 3 is the top view of the end cap for the external rotor electric machine that the utility model embodiment one provides；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is the perspective view for the external rotor electric machine that the utility model embodiment two provides；
Fig. 6 is the top view for the external rotor electric machine that the utility model embodiment two provides；
Fig. 7 is the B-B cross-sectional view of Fig. 6；
Fig. 8 is the perspective view for the blower 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 4, it is provided in this embodiment be a kind of external rotor electric machine end cap, including end cap ontology 11, end
11 center of lid ontology is inwardly projecting receiver 12, and 12 both ends of receiver are respectively equipped with first bearing room 121 and second bearing room
122, first bearing room 121 is located in end cap ontology 11, it is characterised in that: the outer rim of end cap ontology 11 has extended radially out several peaces
Foot 13 is filled, installation foot 13 is equipped with the first mounting hole 131 and the second mounting hole 132, and each first mounting hole 131 surrounds one with set
Cylinder base center O is the first installation circle 133 in the center of circle, and each second mounting hole 132 surrounds the using receiver center O as the center of circle
Two installation circles 134.
The outer rim of end cap ontology 11 described above extends radially out four installation feet 13, and four the second mounting holes 132 surround one
Rectangle 134.
The diameter D of first installation circle 133 described above is 126.5mm≤D≤127.5mm, the of the rectangle 134
One side length L1 is 96≤L1≤98mm, and the second side length L2 of rectangle 134 is 69mm≤L2≤71mm.
The outer end face 111 of the end cap ontology 11 described above is axially protruding with convex annular outside first bearing room 121
Platform 125, is equipped with several external reinforcing ribs 112 between annular convex platform 125 and outer end face 111, part external reinforcing ribs 112 connect installation foot
13 side 136 of left and right two.
The inner face 113 of end cap ontology 11 described above is equipped with annular groove 114, inner face in the periphery of receiver 12
113 form step surface 115 in 114 periphery of annular groove, are equipped between the lateral surface 123 and step surface 115 of receiver 12 several
Interior reinforcing rib 116.
Step surface 115 described above is recessed with mounting groove 117, and the outer rim of the end cap ontology 11 is equipped with notch 118, lacks
Mouth 118 is located at by mounting groove 117.Notch 118 is for installing wire clamp.
The inner face 113 of end cap ontology 11 described above is additionally provided with bit-avoiding slot 119, and bit-avoiding slot 119 is located at annular groove 114
Between step surface 115.
The molding of 12 integrated die-casting of end cap ontology 11 and receiver described above.
End cap described above is made of aluminum alloy materials or zinc alloy material.
Embodiment two:
As shown in Figures 5 to 7, provided in this embodiment is a kind of external rotor electric machine, including end cap 1, stator module 2, is turned
Axis 3 and outer rotor component 4, stator module 2 include stator core 21, the overhang insulation being mounted in 21 both ends of the surface of stator core
22a, 22b, the coil windings 23 being wound around on overhang insulation 22a, 22b, outer rotor component 4 are sleeved on outside stator module 2, shaft
3 are installed together with outer rotor component 4, it is characterised in that: the end cap 1 is the end of external rotor electric machine described in embodiment one
Lid, the stator core 21 are also equipped with the first insulated end cover 24a on two end faces of stator module 2 outside receiver 12
It is covered in outside coil windings 23 with the second insulated end cover 24b, the first insulated end cover 24a and the second insulated end cover 24b, receiver 12
Bearing 124a, 124b are installed, shaft 3 passes through two bearings 124a, 124b in first bearing room 121 and second bearing room 122
It is mounted in receiver 12.
The inner face of end cap ontology 11 described above is additionally provided with bit-avoiding slot 119, first insulation positioned at 1 lower section of end cap
The side of end cap 24a is equipped with temperature controller bracket 241, is equipped with temperature controller 25 on temperature controller bracket 241, and 241, temperature controller bracket
In in bit-avoiding slot 119.
Embodiment three:
It is a kind of blower, including pedestal 5, external rotor electric machine 7 and wind wheel 6 as shown in figure 8, provided in this embodiment, it is described
Wind wheel 6 is sleeved in the shaft 3 of external rotor electric machine 7, it is characterised in that: the external rotor electric machine 7 is outer described in embodiment two
Rotor electric machine, first mounting hole 131 or the second mounting hole 132 are mounted on pedestal 5 by screw.
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 (12)
1. a kind of end cap of external rotor electric machine, including end cap ontology (11), end cap ontology (11) center is inwardly projecting receiver
(12), receiver (12) both ends are respectively equipped with first bearing room (121) and second bearing room (122), first bearing room (121) position
In end cap ontology (11), it is characterised in that: the outer rim (110) of end cap ontology (11) has extended radially out several installation feet (13),
Installation foot (13) be equipped with the first mounting hole (131) and the second mounting hole (132), each first mounting hole (131) surround one with
Receiver center O is the first installation circle (133) in the center of circle, and each second mounting hole (132) surrounds one with receiver center O as circle
The second of the heart installs circle (134).
2. a kind of end cap of external rotor electric machine according to claim 1, it is characterised in that: outside the end cap ontology (11)
Edge (110) extends radially out four installation feet (13), and four the second mounting holes (132) surround a rectangle (135).
3. a kind of end cap of external rotor electric machine according to claim 2, it is characterised in that: described first installs circle (133)
Diameter D be 126.5mm≤D≤127.5mm, the first side length L1 of the rectangle (135) is 96≤L1≤98mm, rectangle
(135) the second side length L2 is 69mm≤L2≤71mm.
4. a kind of end cap of external rotor electric machine according to claim 1 or 2 or 3, it is characterised in that: the end cap ontology
(11) outer end face (111) is protruding with annular convex platform (125) first bearing room (121) are axial outside, annular convex platform (125) and outer
Several external reinforcing ribs (112) are equipped between end face (111), part external reinforcing ribs (112) connect the left and right two of installation foot (13)
Side (136).
5. a kind of end cap of external rotor electric machine according to claim 4, it is characterised in that: the end cap ontology (11) it is interior
End face (113) is equipped with annular groove (114) in the periphery of receiver (12), and inner face (113) is in the peripheral shape of annular groove (114)
At step surface (115), several interior reinforcing ribs (116) are equipped between the lateral surface (123) and step surface (115) of receiver (12).
6. a kind of end cap of external rotor electric machine according to claim 5, it is characterised in that: the step surface (115) is recessed
Have mounting groove (117), the outer rim (110) of the end cap ontology (11) is equipped with notch (118), and notch (118) is located at mounting groove
(117) other.
7. a kind of end cap of external rotor electric machine according to claim 6, it is characterised in that: the end cap ontology (11) it is interior
End face (113) is additionally provided with bit-avoiding slot (119), and bit-avoiding slot (119) is located between annular groove (114) and step surface (115).
8. a kind of end cap of external rotor electric machine according to claim 4, it is characterised in that: the end cap ontology (11) and set
The molding of cylinder base (12) integrated die-casting.
9. a kind of end cap of external rotor electric machine according to claim 8, it is characterised in that: the end cap is by aluminum alloy materials
Or zinc alloy material is made.
10. a kind of external rotor electric machine, including end cap (1), stator module (2), shaft (3) and outer rotor component (4), stator module
It (2) include stator core (21), the overhang insulation (22a, 22b) being mounted in stator core (21) both ends of the surface is wound around end
The coil windings (23) to insulate on (22a, 22b), outer rotor component (4) are sleeved on stator module (2) outside, and shaft (3) turns with outer
Sub-component (4) is installed together, it is characterised in that: the end cap (1) is outer turn described in any one of claim 1 to 9
The end cap of sub-motor, the stator core (21) outside, are also equipped with mounted in receiver (12) on two end faces of stator module (2)
First insulated end cover (24a) and the second insulated end cover (24b), the first insulated end cover (24a) and the second insulated end cover (24b) cover in
Coil windings (23) outside, be equipped in the first bearing room (121) and second bearing room (122) of receiver (12) bearing (124a,
124b), shaft (3) is mounted in receiver (12) by two bearings (124a, 124b).
11. a kind of external rotor electric machine according to claim 10, it is characterised in that: the inner face of the end cap ontology (11)
Bit-avoiding slot (119) are additionally provided with, the side for being located at first insulated end cover (24a) below end cap (1) is equipped with temperature controller bracket
(241), it is equipped with temperature controller (25) on temperature controller bracket (241), temperature controller bracket (241) is located in bit-avoiding slot (119).
12. a kind of blower, including pedestal (5), external rotor electric machine (7) and wind wheel (6), the wind wheel (6) are sleeved on external rotor electric
In the shaft (3) of machine (7), it is characterised in that: the external rotor electric machine (7) is external rotor electric described in claim 10 or 11
Machine, first mounting hole (131) or the second mounting hole (132) are mounted on pedestal (5) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920066246.7U CN209313579U (en) | 2019-01-16 | 2019-01-16 | A kind of end cap of external rotor electric machine and its external rotor electric machine, the blower of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920066246.7U CN209313579U (en) | 2019-01-16 | 2019-01-16 | A kind of end cap of external rotor electric machine and its external rotor electric machine, the blower of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313579U true CN209313579U (en) | 2019-08-27 |
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ID=67681004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920066246.7U Active CN209313579U (en) | 2019-01-16 | 2019-01-16 | A kind of end cap of external rotor electric machine and its external rotor electric machine, the blower of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313579U (en) |
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2019
- 2019-01-16 CN CN201920066246.7U patent/CN209313579U/en active Active
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