CN202153673U - Direct current motor structure - Google Patents
Direct current motor structure Download PDFInfo
- Publication number
- CN202153673U CN202153673U CN2011201737500U CN201120173750U CN202153673U CN 202153673 U CN202153673 U CN 202153673U CN 2011201737500 U CN2011201737500 U CN 2011201737500U CN 201120173750 U CN201120173750 U CN 201120173750U CN 202153673 U CN202153673 U CN 202153673U
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- China
- Prior art keywords
- motor structure
- rotor assembly
- rotating shaft
- cylinder
- electric machine
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- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a direct current motor structure, comprising a motor housing (1), a stator assembly (2), a rotor assembly (3) and a rotating shaft (4), wherein the stator assembly (2) is mounted inside the motor housing (1), the rotor assembly (3) is embedded into the stator assembly (2), the rotating shaft (4) is mounted on the rotor assembly (3), the rotor assembly (3) comprises an end plate (31) and a cylinder (32) axially protruding from the middle of the end plate, the middle of the cylinder (32) is provided with a cavity (33), the rotating shaft is arranged inside the cavity (33), the outer side surface of the cylinder (32) is equipped with a permanent magnetism (34), the top surface of the end plate (31) is provided with a plurality of grooves (310), and inside the grooves (310) there are provided magnetic shoes (35). The direct current motor structure is simple and compact in structure, and novel and unique in design, changes the traditional motor structure composition form and the traditional motor moment transmission mode, and employs an end face moment transmission mode, thereby reducing the wearing of the rotating shaft.
Description
Technical field:
The utility model relates to a kind of DC motor structure.
Background technology:
Traditional DC motor structure comprises stator module, rotor assembly, rotating shaft and front and rear cover, perhaps stator module, rotor assembly, rotating shaft, casing and front and rear cover; This structural electromotor volume more greatly, not compact; And traditional motor torque transfer mode, generally be through the direct carry-over moment of rotating shaft, the long-term drive load running of rotating shaft; Occur wearing and tearing easily and get loose, influence motor and run well.
Summary of the invention:
The purpose of the utility model provides a kind of DC motor structure, and it is simple in structure, compact, and is reasonable in design, adopts the end face moment kind of drive, reduces the rotating shaft wearing and tearing, guarantees the motor operate as normal.
The purpose of the utility model is achieved through following technical proposals.
A kind of DC motor structure comprises electric machine casing, stator module, rotor assembly and rotating shaft, and stator module is installed in the electric machine casing the inside; Rotor assembly embeds in the stator module, and rotating shaft is installed on the rotor assembly, and described rotor assembly comprises end plate and the axial raised cylinder from the end plate centre; Cavity is set in the middle of the cylinder, and rotating shaft places the cavity the inside, at the lateral surface of cylinder permanent magnet is installed; End face at end plate is provided with some grooves, and magnetic shoe is installed in the groove.
Above-mentioned described said electric machine casing comprise enclosure body and from the enclosure body bottom surface raised annular sleeve, annulus embeds in the cavity, the inboard both ends of annulus are provided with clutch shaft bearing chamber, second bearing chamber respectively; The clutch shaft bearing, second bearing that are installed in the rotating shaft place respectively in the clutch shaft bearing chamber and second bearing chamber; The top of enclosure body outwards folds flange, flange outside raised annular plate, and annular slab surrounds slotted eye; The end plate of rotor assembly places the slotted eye the inside; Between annulus and enclosure body inwall, form cannelure, cannelure and slotted eye are communicated with, and cylinder is nested in the cannelure the inside.
Above-mentioned described in the cylinder outside, the cannelure the inside is equipped with stator module, stator module is between permanent magnet and enclosure body wall.
On the above-mentioned described permanent magnet protective cover is installed, protective cover covers the lateral surface and the bottom surface of permanent magnet.
Above-mentionedly describedly on the groove of end plate end face, be provided with baffle plate, baffle plate shelters from magnetic shoe.
Above-mentioned described control board is installed on the flange through screw, is positioned at top, stator module end.
Above-mentioned described electric machine casing is provided with some installation legs, and some installation legs evenly circumferentially are distributed on the electric machine casing outside wall surface.
Above-mentioned described electric machine casing is the integrally casting moulding.
The utility model compared with prior art has following effect: 1) rotor assembly comprises end plate and from the middle axial raised cylinder of end plate, cavity is set in the middle of the cylinder; Rotating shaft places cavity the inside, at the lateral surface of cylinder permanent magnet is installed, and is provided with some grooves at the end face of end plate; Magnetic shoe is installed in the groove, simple in structure, compact, reasonable in design; Adopt the end face moment kind of drive, reduce the rotating shaft wearing and tearing, guarantee the motor operate as normal; 2) the inboard both ends of annulus are provided with clutch shaft bearing chamber, second bearing chamber respectively, and the clutch shaft bearing, second bearing that are installed in the rotating shaft place respectively in the clutch shaft bearing chamber and second bearing chamber, and structure compactness attractive in appearance is easy for installation; 3) top of enclosure body outwards folds flange, flange outside raised annular plate, and annular slab surrounds slotted eye, and the end plate of rotor assembly places the slotted eye the inside, and end plate is wrapped in the electric machine casing the inside, guarantees that end plate runs well; 4) on the permanent magnet protective cover is installed, protective cover covers the lateral surface and the bottom surface of permanent magnet, and the protection permanent magnet does not collide impaired when motor rotation; 5) electric machine casing is provided with some installation legs, and some installation legs evenly circumferentially are distributed on the electric machine casing outside wall surface, and is stressed even, makes steadily fastening being installed on the external equipment of motor; 6) electric machine casing is the integrally casting moulding, is suitable for producing in batches, improves efficiency of assembling, practices thrift cost of labor.
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 the utility model rotor assembly exploded view.
Fig. 5 is the utility model rotor assembly cutaway view.
Fig. 6 is the utility model electric machine casing cutaway view.
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, Fig. 4, Fig. 5 and shown in Figure 6, a kind of DC motor structure comprises electric machine casing 1, stator module 2, rotor assembly 3 and rotating shaft 4; Stator module 2 is installed in electric machine casing 1 the inside, and rotor assembly 3 embeds 2 li of stator modules, and rotating shaft 4 is installed on the rotor assembly 3; Described rotor assembly 3 comprises end plate 31 and the axial raised cylinders 32 from end plate 31 centres; In the middle of the cylinder 32 cavity 33 is set, rotating shaft 4 places cavity 33 the insides, at the lateral surface of cylinder 32 permanent magnet 34 is installed; End face at end plate 31 is provided with some grooves 310, and groove is equipped with magnetic shoe 35 for 310 li; Said electric machine casing 1 comprises enclosure body 11 and from enclosure body 11 bottom surface raised annular sleeves 12; Annulus 12 embeds 33 li of cavitys; The inboard both ends of annulus 12 are provided with clutch shaft bearing chamber 120, second bearing chamber 121 respectively, are installed in clutch shaft bearing 41, second bearing 42 in the rotating shaft 4 and place 121 li of clutch shaft bearing chamber 120 and second bearing chambers respectively, and the top of enclosure body 11 outwards folds flange 110; Flange 110 outside raised annular plates 111; Annular slab 111 surrounds slotted eye 13, and the end plate 31 of rotor assembly 3 places slotted eye 13 the insides, between annulus 12 and enclosure body 11 inwalls, forms cannelure 14; Cannelure 14 is communicated with slotted eye 13, and cylinder 32 is nested in cannelure 14 the insides; In cylinder 32 outsides, cannelure 14 the insides are equipped with stator module 2, stator module 2 is between permanent magnet 34 and enclosure body 11 walls; Protective cover 36 is installed on the permanent magnet 34, and protective cover 36 covers the lateral surface and the bottom surface of permanent magnet 34; On the groove 310 of end plate 31 end faces, be provided with baffle plate 37, baffle plate 37 shelters from magnetic shoe 35; Control board 5 is installed on the flange 110 through screw, is positioned at top, stator module 2 ends; Electric machine casing 1 is provided with some installation legs 15, and some installation legs 15 evenly circumferentially are distributed on electric machine casing 1 outside wall surface; Electric machine casing 1 is the integrally casting moulding.
The utility model motor comprises electric machine casing 1, stator module 2, rotor assembly 3 and rotating shaft 4, and stator module 2 is installed in electric machine casing 1 the inside, and rotor assembly 3 embeds 2 li of stator modules; Rotating shaft 4 is installed on the rotor assembly 3, and described rotor assembly 3 comprises end plate 31 and from end plate 31 middle axial raised cylinders 32, cavitys 33 is set in the middle of the cylinder 32; Rotating shaft 4 places cavity 33 the insides, at the lateral surface of cylinder 32 permanent magnet 34 is installed, and is provided with some grooves 310 at the end face of end plate 31; Groove is equipped with magnetic shoe 35 for 310 li, and this is simple in structure, compact, and is reasonable in design; Adopt the end face moment kind of drive, reduce the rotating shaft wearing and tearing, guarantee the motor operate as normal.
Claims (8)
1. a DC motor structure comprises electric machine casing (1), stator module (2), rotor assembly (3) and rotating shaft (4), and stator module (2) is installed in electric machine casing (1) the inside; Rotor assembly (3) embeds stator module (2) lining; Rotating shaft (4) is installed on the rotor assembly (3), it is characterized in that: described rotor assembly (3) comprises end plate (31) and from the middle axial raised cylinder (32) of end plate (31), cavity (33) is set in the middle of the cylinder (32); Rotating shaft (4) places cavity (33) the inside; Lateral surface at cylinder (32) is equipped with permanent magnet (34), is provided with some grooves (310) at the end face of end plate (31), and groove (310) lining is equipped with magnetic shoe (35).
2. a kind of DC motor structure according to claim 1; It is characterized in that: said electric machine casing (1) comprises enclosure body (11) and from enclosure body (11) bottom surface raised annular sleeve (12); Annulus (12) embeds cavity (33) lining; The inboard both ends of annulus (12) are provided with clutch shaft bearing chamber (120), second bearing chamber (121) respectively, and the clutch shaft bearing (41), second bearing (42) that are installed in the rotating shaft (4) place clutch shaft bearing chamber (120) and second bearing chamber (121) lining respectively, and the top of enclosure body (11) outwards folds flange (110); Flange (110) outside raised annular plate (111); Annular slab (111) surrounds slotted eye (13), and the end plate (31) of rotor assembly (3) places slotted eye (13) the inside, between annulus (12) and enclosure body (11) inwall, forms cannelure (14); Cannelure (14) and slotted eye (13) are communicated with, and cylinder (32) is nested in cannelure (14) the inside.
3. a kind of DC motor structure according to claim 2 is characterized in that: inside cylinder (32) outside, cannelure (14), stator module (2) is installed, stator module (2) is positioned between permanent magnet (34) and enclosure body (11) wall.
4. a kind of DC motor structure according to claim 1 and 2 is characterized in that: protective cover (36) is installed on the permanent magnet (34), and protective cover (36) covers the lateral surface and the bottom surface of permanent magnet (34).
5. a kind of DC motor structure according to claim 2 is characterized in that: on the groove (310) of end plate (31) end face, be provided with baffle plate (37), baffle plate (37) shelters from magnetic shoe (35).
6. a kind of DC motor structure according to claim 3 is characterized in that: control board (5) is installed on the flange (110) through screw, is positioned at top, stator module (2) end.
7. a kind of DC motor structure according to claim 1 and 2 is characterized in that: electric machine casing (1) is provided with some installation legs (15), and some installation legs (15) evenly circumferentially are distributed on electric machine casing (1) outside wall surface.
8. a kind of DC motor structure according to claim 7 is characterized in that: electric machine casing (1) is the integrally casting moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201737500U CN202153673U (en) | 2011-05-27 | 2011-05-27 | Direct current motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201737500U CN202153673U (en) | 2011-05-27 | 2011-05-27 | Direct current motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153673U true CN202153673U (en) | 2012-02-29 |
Family
ID=45694166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201737500U Expired - Fee Related CN202153673U (en) | 2011-05-27 | 2011-05-27 | Direct current motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153673U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457387A (en) * | 2013-08-28 | 2013-12-18 | 大洋电机新动力科技有限公司 | Assembly structure of stator and rotor and generator using same |
| CN106992642A (en) * | 2016-01-21 | 2017-07-28 | 信泽马达有限公司 | DC motor structure with hollow type rotor and Internal and external cycle stator |
| CN106992615A (en) * | 2016-01-21 | 2017-07-28 | 信泽马达有限公司 | The hollow type rotor and its winding structure of d.c. motor |
-
2011
- 2011-05-27 CN CN2011201737500U patent/CN202153673U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457387A (en) * | 2013-08-28 | 2013-12-18 | 大洋电机新动力科技有限公司 | Assembly structure of stator and rotor and generator using same |
| CN103457387B (en) * | 2013-08-28 | 2015-12-09 | 大洋电机新动力科技有限公司 | A kind of assembly structure of stators and rotators and the generator of application thereof |
| CN106992642A (en) * | 2016-01-21 | 2017-07-28 | 信泽马达有限公司 | DC motor structure with hollow type rotor and Internal and external cycle stator |
| CN106992615A (en) * | 2016-01-21 | 2017-07-28 | 信泽马达有限公司 | The hollow type rotor and its winding structure of d.c. motor |
| CN106992615B (en) * | 2016-01-21 | 2019-07-30 | 信泽马达有限公司 | The hollow type rotor and its winding structure of d.c. 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20200527 |