CN206727858U - A kind of extra small high-power density permanent magnetic external rotor motor device of volume - Google Patents
A kind of extra small high-power density permanent magnetic external rotor motor device of volume Download PDFInfo
- Publication number
- CN206727858U CN206727858U CN201720355144.8U CN201720355144U CN206727858U CN 206727858 U CN206727858 U CN 206727858U CN 201720355144 U CN201720355144 U CN 201720355144U CN 206727858 U CN206727858 U CN 206727858U
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- Prior art keywords
- end cap
- rear end
- rotor rim
- rotor
- bearing bracket
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- Motor Or Generator Cooling System (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of extra small high-power density permanent magnetic external rotor motor device of volume, including rotating shaft, the left and right sides of the rotating shaft is connected with drive end bearing bracket and rear end cap by fore bearing and rear bearing respectively;Band radiating ribs aluminium casing is provided between drive end bearing bracket and rear end cap;Rotor rim is connected with by circlip for shaft in the rotating shaft;Rotor rim be located at drive end bearing bracket, rear end cap, with radiating ribs aluminium casing three formed housing in;By some reinforcements are interval with the rotor rim, local blade structure is formed;Magnet steel is connected with by magnet steel skeleton in rotor rim;There is stator core the inner side of rear end cap by fastening screw connection;The rotor rim covers at stator core interior.The utility model is compact-sized, control is simple, manufacturing process is simple, cost is low, convenient installation, service life length;Reinforcement in rotor rim produces local blade structure, internal temperature heat is passed on band radiating ribs aluminium casing in time, good heat dissipation effect.
Description
Technical field
It the utility model is related to energy device field, more particularly to a kind of extra small high-power density permanent magnetic outer rotor of volume
Electric machine.
Background technology
Its radiator structure of current magneto is solved by the radiating ribs on housing, such design
Volume is big, and radiating effect is bad, and power is small.
Utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and provide a kind of simple in construction, reality
The extra small high-power density permanent magnetic external rotor motor device of volume.
The utility model is realized in the following way:
A kind of extra small high-power density permanent magnetic external rotor motor device of volume, it is characterised in that:Including rotating shaft 1, described turn
The left and right sides of axle 1 is connected with drive end bearing bracket 11 and rear end cap 14 by fore bearing 3 and rear bearing 9 respectively;The He of drive end bearing bracket 11
Rear end cap 14 is rotatable relative to rotating shaft 1;Band radiating ribs aluminium casing 13 is provided between the drive end bearing bracket 11 and rear end cap 14;It is described
Rotor rim 5 is connected with by circlip for shaft 8 in rotating shaft 1;The rotor rim 5 is located at drive end bearing bracket 11, rear end cap 14, band
In the housing that the three of radiating ribs aluminium casing 13 is formed;By some reinforcements are interval with the rotor rim 5, local wind is formed
Impeller structure;Magnet steel 6 is connected with by magnet steel skeleton 7 in rotor rim 5;The inner side of the rear end cap 14 is connected by trip bolt 15
It is connected to stator core 16;The rotor rim 5 covers at stator core 16 interior.
Preferably, the rear end cap 14 is provided with radiating ribs 18.
The beneficial effects of the utility model are:Compact-sized, control is simply, manufacturing process is simple, cost is low, convenient peace
Dress, service life length, transmission efficiency are good;Reinforcement in rotor rim produces local blade structure, by internal temperature heat and
When pass to band radiating ribs aluminium casing on, good heat dissipation effect.
Brief description of the drawings
Fig. 1 the utility model structure diagrams.
Embodiment
In conjunction with accompanying drawing, the utility model embodiment is described in detail:
As shown in figure 1, a kind of extra small high-power density permanent magnetic external rotor motor device of volume, including rotating shaft 1, rotating shaft 1
The left and right sides is connected with drive end bearing bracket 11 and rear end cap 14 by fore bearing 3 and rear bearing 9 respectively;Drive end bearing bracket 11 and the phase of rear end cap 14
It is rotatable for rotating shaft 1;Band radiating ribs aluminium casing 13 is provided between drive end bearing bracket 11 and rear end cap 14;Pass through axle bullet in rotating shaft 1
Property back-up ring 8 is connected with rotor rim 5;Rotor rim 5 is located at drive end bearing bracket 11, rear end cap 14, the three's shape of band radiating ribs aluminium casing 13
Into housing in;By some reinforcements are interval with rotor rim 5, local blade structure is formed;Pass through magnetic in rotor rim 5
Steel skeleton 7 is connected with magnet steel 6;The inner side of rear end cap 14 is connected with stator core 16 by trip bolt 15;Rotor rim 5 will be fixed
In sub- iron core 16 covers at.
The utility model rear end cap 14 is provided with radiating ribs 18, for radiating.
Reinforcement in the utility model rotor rim 5 produces local blade structure, and internal temperature heat is passed in time
On band radiating ribs aluminium casing 13, good heat dissipation effect.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (2)
- A kind of 1. extra small high-power density permanent magnetic external rotor motor device of volume, it is characterised in that:Including rotating shaft (1), described turn The left and right sides of axle (1) is connected with drive end bearing bracket (11) and rear end cap (14) by fore bearing (3) and rear bearing (9) respectively;It is described Drive end bearing bracket (11) and rear end cap (14) are rotatable relative to rotating shaft (1);It is provided between the drive end bearing bracket (11) and rear end cap (14) Band radiating ribs aluminium casing (13);Rotor rim (5) is connected with by circlip for shaft (8) on the rotating shaft (1);The rotor Yoke (5) be located at drive end bearing bracket (11), rear end cap (14), with radiating ribs aluminium casing (13) three formed housing in;The rotor By some reinforcements are interval with yoke (5), local blade structure is formed;In rotor rim (5) by magnet steel skeleton (7) even It is connected to magnet steel (6);The inner side of the rear end cap (14) is connected with stator core (16) by trip bolt (15);The rotor magnetic Yoke (5) covers at stator core (16) interior.
- A kind of 2. extra small high-power density permanent magnetic external rotor motor device of volume according to claim 1, it is characterised in that: The rear end cap (14) is provided with radiating ribs (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720355144.8U CN206727858U (en) | 2017-04-06 | 2017-04-06 | A kind of extra small high-power density permanent magnetic external rotor motor device of volume |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720355144.8U CN206727858U (en) | 2017-04-06 | 2017-04-06 | A kind of extra small high-power density permanent magnetic external rotor motor device of volume |
Publications (1)
Publication Number | Publication Date |
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CN206727858U true CN206727858U (en) | 2017-12-08 |
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CN201720355144.8U Active CN206727858U (en) | 2017-04-06 | 2017-04-06 | A kind of extra small high-power density permanent magnetic external rotor motor device of volume |
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CN (1) | CN206727858U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106803710A (en) * | 2017-04-06 | 2017-06-06 | 宁德时代电机科技有限公司 | A kind of extra small high-power density permanent magnetic external rotor motor device of volume |
-
2017
- 2017-04-06 CN CN201720355144.8U patent/CN206727858U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106803710A (en) * | 2017-04-06 | 2017-06-06 | 宁德时代电机科技有限公司 | A kind of extra small high-power density permanent magnetic external rotor motor device of volume |
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