CN202395634U - Low power DC brushless motor structure - Google Patents
Low power DC brushless motor structure Download PDFInfo
- Publication number
- CN202395634U CN202395634U CN2011205442791U CN201120544279U CN202395634U CN 202395634 U CN202395634 U CN 202395634U CN 2011205442791 U CN2011205442791 U CN 2011205442791U CN 201120544279 U CN201120544279 U CN 201120544279U CN 202395634 U CN202395634 U CN 202395634U
- Authority
- CN
- China
- Prior art keywords
- casing
- wiring board
- brushless motor
- low
- power
- 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 - Fee Related
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Abstract
The utility model discloses a low power DC brushless motor structure, which comprises a shell (1), a circuit board (2) and a front end cover (3), wherein the end face of the shell (1) is provided with a plurality of slots (11), a plurality of lugs (21) extend out of the outer side of the circuit board (2), the lugs (21) are embedded in the slots (11), the circuit board (2) is supported on the shell (1), and the front end cover is arranged on the shell (1) to press the circuit plate. The low power DC brushless motor structure has the advantages of simple structure, convenience in installation and low cost.
Description
Technical field:
The utility model relates to a kind of low-power dc brushless motor structure.
Background technology:
Traditional dc brushless motor, wiring board are installed on the overhang insulation of motor stator core usually, perhaps make to be screwed at motor rear end to cover, and this structure assembly difficulty is big, and trouble is installed, and cost is higher.
Summary of the invention:
The purpose of the utility model provides a kind of low-power dc brushless motor structure, and it is simple in structure, and is easy for installation, with low cost.
The purpose of the utility model is to be achieved through following technical scheme.
A kind of low-power dc brushless motor structure comprises casing, wiring board and front end housing, offers some grooves on the casing end face; The some lugs of wiring board outside protrusion; Lug embeds in the groove, and wiring board is bearing on the casing, and front end housing is installed on the casing and compresses wiring board.
Above-mentioned described casing is offered cavity; Stator module and rotor assembly are installed in the cavity; Casing one end opens wide, and the other end is provided with bottom cover, the bearings mounted bearing chamber of protrusion in the middle of the bottom cover; Wiring board is installed on the unlimited end end face of casing and places in the cavity, and front end housing compresses wiring board and passes through screw lock on casing.
The inwall of above-mentioned described casing is established step, and stator module is bearing on the step.
Above-mentioned described some grooves are 3, are evenly distributed on the casing end face, and some lugs are 3, are evenly distributed on the outside of wiring board.
Above-mentionedly describedly on the groove outside, casing, protrude baffle plate.
Screwed hole is offered in the bottom surface of above-mentioned described groove, and screw is screwed in the screwed hole.
Above-mentioned described casing is that aluminium is processed.
The utility model beneficial effect compared with prior art is: 1) offer some grooves on the utility model casing end face, and the some lugs of wiring board outside protrusion, lug embeds in the groove; Wiring board is bearing on the casing; Front end housing is installed on the casing and compresses wiring board, and is simple in structure, easy for installation; With low cost, cancelled stator core overhang insulation, or the screw of fastening wiring board; 2) casing is offered cavity; Stator module and rotor assembly are installed in the cavity, and casing one end opens wide, and the other end is provided with bottom cover; The bearings mounted bearing chamber of protrusion in the middle of the bottom cover; Wiring board is installed on the unlimited end end face of casing and places in the cavity, and front end housing compresses wiring board and passes through screw lock on casing, reasonable in design, compactness; 3) some grooves are 3, are evenly distributed on the casing end face, and some lugs are 3, are evenly distributed on the outside of wiring board, and stressed even, wiring board is installed fastening; 4) on the groove outside, casing, protrude baffle plate, prevent entering motors such as dust, good sealing effect.
Description of drawings:
Fig. 1 is the stereogram of the utility model;
Fig. 2 is the exploded view of the utility model;
Fig. 3 is the cutaway view of the utility model;
Fig. 4 is an A-A partial enlarged drawing among Fig. 3.
Embodiment:
Below through specific embodiment and combine accompanying drawing that the utility model is described in further detail.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; A kind of low-power dc brushless motor structure of the utility model comprises casing 1, wiring board 2 and front end housing 3, offers some grooves 11 on casing 1 end face; Some lugs 21 are protruded in wiring board 2 outsides; Lug 21 embeds 11 li of grooves, and wiring board 2 is bearing on the casing 1, and front end housing 3 is installed on the casing 1 and compresses wiring board 2; Described casing 1 is offered cavity 12; Stator module 4 is installed in 12 li of cavitys with rotor assembly 5; Casing 1 one ends open wide, and the other end is provided with bottom cover 13, the bearings mounted bearing chamber 130 of protrusion in the middle of the bottom cover 13; Wiring board 2 is installed on the end end face that casing 1 opens wide and places 12 li of cavitys, front end housing 3 to compress wiring board 2 and be locked on the casing 1 through screw 6; The inwall of casing 1 is established step 14, and stator module 4 is bearing on the step 14; Some grooves 11 are 3, are evenly distributed on casing 1 end face, and some lugs 21 are 3, are evenly distributed on the outside of wiring board 2; Protrusion baffle plate 15 on groove 11 outsides, casing 1; Screwed hole 110 is offered in the bottom surface of groove 11, and screw 6 is screwed into 110 li of screwed holes; Described casing 1 is that aluminium is processed.
No high heating module on the utility model low-power dc brushless motor wiring board, and requirement of withstand voltage is lower, can cancel the stator end insulation; Perhaps the screw of fastening wiring board uses fastening front end housing 3 screws 6 simultaneously wiring board 2 to be fastened on upper casing 1, and is simple in structure; Easy for installation, with low cost.
Claims (7)
1. low-power dc brushless motor structure; Comprise casing (1), wiring board (2) and front end housing (3); It is characterized in that: offer some grooves (11) on casing (1) end face, wiring board (2) outside protrusion some lugs (21), lug (21) embeds groove (11) lining; Wiring board (2) is bearing on the casing (1), and front end housing (3) is installed in casing (1) and goes up and compress wiring board (2).
2. a kind of low-power dc brushless motor structure according to claim 1; It is characterized in that: described casing (1) is offered cavity (12); Stator module (4) and rotor assembly (5) are installed in cavity (12) lining; Casing (1) one end opens wide, and the other end is provided with bottom cover (13), protrusion bearings mounted bearing chamber (130) in the middle of the bottom cover (13); Wiring board (2) is installed on the unlimited end end face of casing (1) and places cavity (12) lining, front end housing (3) to compress wiring board (2) and also is locked on the casing (1) through screw (6).
3. a kind of low-power dc brushless motor structure according to claim 2, it is characterized in that: the inwall of casing (1) is established step (14), and stator module (4) is bearing on the step (14).
4. according to claim 1 or 2 or 3 described a kind of low-power dc brushless motor structures, it is characterized in that: some grooves (11) are 3, are evenly distributed on casing (1) end face, and some lugs (21) are 3, are evenly distributed on the outside of wiring board (2).
5. a kind of low-power dc brushless motor structure according to claim 4 is characterized in that: go up protrusion baffle plate (15) at groove (11) outside, casing (1).
6. according to claim 2 or 3 described a kind of low-power dc brushless motor structures, it is characterized in that: screwed hole (110) is offered in the bottom surface of groove (11), and screw (6) is screwed into screwed hole (110) lining.
7. a kind of low-power dc brushless motor structure according to claim 4, it is characterized in that: described casing (1) is that aluminium is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205442791U CN202395634U (en) | 2011-12-22 | 2011-12-22 | Low power DC brushless motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205442791U CN202395634U (en) | 2011-12-22 | 2011-12-22 | Low power DC brushless motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202395634U true CN202395634U (en) | 2012-08-22 |
Family
ID=46670533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205442791U Expired - Fee Related CN202395634U (en) | 2011-12-22 | 2011-12-22 | Low power DC brushless motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202395634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078437A (en) * | 2013-02-02 | 2013-05-01 | 李明科 | Motor end cover for planing machine |
| WO2016082323A1 (en) * | 2014-11-29 | 2016-06-02 | 中山大洋电机股份有限公司 | Motor |
-
2011
- 2011-12-22 CN CN2011205442791U patent/CN202395634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078437A (en) * | 2013-02-02 | 2013-05-01 | 李明科 | Motor end cover for planing machine |
| WO2016082323A1 (en) * | 2014-11-29 | 2016-06-02 | 中山大洋电机股份有限公司 | Motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |