CN202918167U - DC brushless motor - Google Patents
DC brushless motor Download PDFInfo
- Publication number
- CN202918167U CN202918167U CN 201220519032 CN201220519032U CN202918167U CN 202918167 U CN202918167 U CN 202918167U CN 201220519032 CN201220519032 CN 201220519032 CN 201220519032 U CN201220519032 U CN 201220519032U CN 202918167 U CN202918167 U CN 202918167U
- Authority
- CN
- China
- Prior art keywords
- brushless motor
- casing
- rotor
- cylindrical shell
- connecting cylinder
- 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
Links
Images
Landscapes
- Brushless Motors (AREA)
Abstract
Provided is a DC brushless motor, comprising a housing, a stator assembly installed in the housing and a rotor assembly arranged in the stator assembly in a sleeving manner. The rotor assembly comprises a rotor iron core, magnetic shoes mounted outside the rotor iron core and a rotor rotating shaft arranged in the rotor iron core in a sleeving manner. The DC brushless motor is characterized in that a bearing seat is arranged in one end in the housing, and a bearing is installed in the bearing seat; and a connection shaft is formed in one end of the rotor rotating shaft, and a sleeving cylinder in the other end, wherein the connection shaft matches with the bearing, one end of the sleeving cylinder is detachably sleeved on a connection cylinder, and the connection cylinder can be matched and connected with a rotary shaft of a to-be-driven device. According to utility model, the rotor assembly and the stator assembly are assembled when the DC brushless motor leaves a factory, and the concentricity thereof is ensured by the factory; thus, installation and use are convenient.
Description
(1) technical field:
The utility model relates to a kind of dc brushless motor.
(2) background technology:
The direct driving motor of existing use on sewing machine, a kind of not with the dc brushless motor of bearing, rotor directly is connected with the rotating shaft of head of sewing machine, stator module is enclosed within the rotor assembly outside, stator module and rotor assembly are the parts of two independent separate, also there is in actual applications following deficiency: the concentricity that the special-purpose frock clamp of needs could be regulated stator module and rotor assembly when 1) installing, therefore need the professional to install, comparatively trouble is installed, inconvenient, after direct driving motor uses a period of time, the concentricity of stator module and rotor assembly may change, need in time to proofread and correct, but producer does not have again specific purpose tool and technical staff, cause customer complaint and dissatisfied.So be necessary existing dc brushless motor is made improvements; 2) the rotor assembly part is more, and axial length is longer, and transports, installs inconvenient.
(3) utility model content:
The purpose of this utility model is to provide a kind of dc brushless motor, when dispatching from the factory, it stator module and rotor assembly are assembled together, when having been dispatched from the factory by producer, concentricity guarantees, therefore easy to install, in addition, rotor assembly is connected with removably with connecting cylinder, can reduce axial length when dispatching from the factory, and installs and uses very convenient.
A kind of dc brushless motor, comprise casing, be installed on the stator module in the casing, be set in the rotor assembly in the stator module, described rotor assembly comprises rotor core, be installed in the magnetic shoe in the rotor core outside, and be set in rotor shaft in the rotor core, it is characterized in that: the end in the described casing is provided with bearing pedestal, bearing is installed in the bearing pedestal, one end of described rotor shaft forms connecting axle, its other end forms the socket cylindrical shell, connecting axle and described bearing fit, socket cylindrical shell one end is socketed on a connecting cylinder removably, and connecting cylinder can be connected with the rotating shaft of equipment to be driven.
Offer one on the outer surface of described connecting cylinder along the gathering sill that extends on its axle and some pilot holes; The outer surface of described socket cylindrical shell offers the screwed hole corresponding with described pilot hole and gathering sill, on one of them screwed hole guider screw is installed; Connecting cylinder is enclosed within socket cylindrical shell the inside, and guider screw is embedded into gathering sill, and will be socketed all the other screwed holes of cylindrical shell and the cooperation of its pilot hole installs and fixes by some rigging screws.
Also be provided with one on the described connecting axle from the extension that described bearing pedestal stretches out, by screw the stitch thumb wheel be installed on the extension of connecting axle.
The madial wall of described stitch thumb wheel is provided with two mutually corresponding magnet, the Hall element of the position of the position that is provided with to detect described magnet in the described casing when determining that rotor assembly rotates.
Connecting cylinder described above also is arranged with radiator fan outward.
The place ahead of casing also is provided with a position adjustments plate, and described several lugs of casing arranged outside have installing hole on the lug, and screw passes installing hole casing and position adjustments plate are coupled together.
2 bearings are installed at bearing pedestal interval described above, and connecting bushing is contained on 2 bearings.
The dc brushless motor of the utility model, have following advantage: 1, its end in casing is provided with bearing pedestal, bearing is installed in the bearing pedestal, one end of described rotor shaft forms connecting axle, its other end forms the socket cylindrical shell, connecting axle and described bearing fit, socket cylindrical shell one end is socketed with a connecting cylinder removably, connecting cylinder can be connected with the rotating shaft of equipment to be driven, stator module and rotor assembly are assembled together when dispatching from the factory, when having been dispatched from the factory by producer, concentricity guarantees, therefore easy to install; 2, described rotor assembly and connecting cylinder split, and reduce axial length when dispatching from the factory, and install and use very convenient; 3, be socketed with removably a connecting cylinder in the described socket cylindrical shell, when the rotating shaft of the driven by motor equipment to be driven that will use the utility model, after described connecting cylinder can be first be connected with the rotating shaft of equipment to be driven, socket cylindrical shell with motor rotor shaft is socketed again, assembles simpler, convenient.4, also be provided with an extension of stretching out on the connecting axle of described rotor shaft in described bearing, by screw the stitch thumb wheel be installed on the extension of connecting axle, simple in structure, the stitch thumb wheel is easy for installation, quick.5, be provided with Hall element in the described casing, cooperate with the magnet of establishing with on the stitch thumb wheel madial wall, the position when accurately the detection rotor assembly rotates.6, connecting cylinder also is arranged with radiator fan outward, and is simple in structure, and heat radiation is very fast.7, casing is installed on the position adjustments plate, only need to adopt different position adjustments plates that this motor is installed on the different equipment to be driven, fairly simple, need not again develop for each equipment to be driven, thereby reducing development cost is realized large-scale production.8, adopt duplex bearing in connecting axle one side, more can guarantee concentricity.
(4) description of drawings:
Fig. 1 is the structural representation of the dc brushless motor of the utility model;
Fig. 2 is another structural representation of the dc brushless motor of the utility model;
Fig. 3 is a structure cutaway view of the dc brushless motor of the utility model;
Fig. 4 is the exploded view of the dc brushless motor of the utility model;
Fig. 5 is the rotor assembly of dc brushless motor of the utility model and the assembling schematic diagram of connecting cylinder;
Fig. 6 is that the dc brushless motor of the utility model is installed the structural representation that is applied to overedger;
(5) embodiment:
Extremely shown in Figure 5 such as Fig. 1, a kind of dc brushless motor of the utility model, comprise casing 1, be installed on stator module 3 in the casing 1, be set in the rotor assembly 4 in the stator module 3 and the position adjustments plate 5 that is connected with casing 1, end in the described casing 1 is provided with bearing pedestal 11, and 11 li of bearing pedestals are equipped with bearing 2.Described several lugs of casing 1 arranged outside have installing hole on the lug, screw passes installing hole casing 1 and position adjustments plate 5 are coupled together.Described rotor assembly 4 comprises rotor core 41, is installed in the magnetic shoe 42 in the rotor core outside, is set in rotor shaft and a connecting cylinder 45 in the rotor core, one end of rotor shaft forms connecting axle 43, its other end forms socket cylindrical shell 44, connecting axle 43 cooperates with described bearing 2, then be socketed with described connecting cylinder 45 removably in the socket cylindrical shell 44, connecting cylinder 45 can be connected with the rotating shaft of equipment to be driven.2 bearings are installed at bearing pedestal 11 intervals, are sleeved on the connecting axle on 2 bearings 2.
Offer one on the outer surface of described connecting cylinder 45 along the gathering sill 451 that extends on its axle and along its some pilot holes 452 that circumferentially distribute; The outer surface of described socket cylindrical shell 44 offers the screwed hole 441 corresponding with described pilot hole 452 and gathering sill 451, on one of them screwed hole 441 guider screw 01 is installed; Connecting cylinder 45 is enclosed within socket cylindrical shell 44 the insides, and guider screw 01 is embedded into gathering sill 451, and will be socketed all the other screwed holes 441 of cylindrical shell 44 and the cooperation of its pilot hole 452 installs and fixes by some rigging screws 02.
Also be provided with an extension of in described bearing pedestal 11, stretching out on the described connecting axle 43, by screw 8 stitch thumb wheel 6 be installed on the extension of connecting axle 43.The madial wall of described stitch thumb wheel 6 is provided with two mutually corresponding magnet 61, the Hall element (not shown) of the position of the position that is provided with to detect described magnet 61 in the described casing 1 when determining that rotor assembly 4 rotates.The described connecting cylinder 45 outer radiator fans 453 that also are arranged with.
As shown in Figure 6, a kind of overedger of the utility model, comprise head 7, be installed on the rotating shaft of head 7 the insides and dc brushless motor described above, screw passes the pilot hole that presets on the position adjustments plate 5 of dc brushless motor and the head 7, thereby dc brushless motor is installed on the side of head 7.One end of described rotating shaft stretches out from the side of head 7, and the connecting cylinder 45 in the rotor assembly 4 of dc brushless motor then is connected with this rotating shaft of stretching out and drives rotating shaft and rotates.
Above-described embodiment is preferred embodiments of the present utility model; but execution mode of the present utility model is not limited to this; other are any not to deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitute, combination, simplify; be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (7)
1. dc brushless motor, comprise casing, be installed on the stator module in the casing, be set in the rotor assembly in the stator module, described rotor assembly comprises rotor core, be installed in the magnetic shoe in the rotor core outside, and be set in rotor shaft in the rotor core, it is characterized in that: the end in the described casing is provided with bearing pedestal, bearing is installed in the bearing pedestal, one end of described rotor shaft forms connecting axle, its other end forms the socket cylindrical shell, connecting axle and described bearing fit, socket cylindrical shell one end is socketed on a connecting cylinder removably, and connecting cylinder can be connected with the rotating shaft of equipment to be driven.
2. a kind of dc brushless motor according to claim 1 is characterized in that: offer one on the outer surface of described connecting cylinder along the gathering sill that extends on its axle and some pilot holes; The outer surface of described socket cylindrical shell offers the screwed hole corresponding with described pilot hole and gathering sill, on one of them screwed hole guider screw is installed; Connecting cylinder is enclosed within socket cylindrical shell the inside, and guider screw is embedded into gathering sill, and will be socketed all the other screwed holes of cylindrical shell and the cooperation of its pilot hole installs and fixes by some rigging screws.
3. a kind of dc brushless motor according to claim 1 and 2 is characterized in that: also be provided with one on the described connecting axle from the extension that described bearing pedestal stretches out, by screw the stitch thumb wheel be installed on the extension of connecting axle.
4. a kind of dc brushless motor according to claim 3, it is characterized in that: the madial wall of described stitch thumb wheel is provided with two mutually corresponding magnet, the Hall element of the position of the position that is provided with to detect described magnet in the described casing when determining that rotor assembly rotates.
5. a kind of dc brushless motor according to claim 4, it is characterized in that: described connecting cylinder also is arranged with radiator fan outward.
6. a kind of dc brushless motor according to claim 3, it is characterized in that: the place ahead of casing also is provided with a position adjustments plate, described several lugs of casing arranged outside have installing hole on the lug, screw passes installing hole casing and position adjustments plate are coupled together.
7. a kind of dc brushless motor according to claim 6 is characterized in that: 2 bearings are installed at the bearing pedestal interval, and connecting bushing is contained on 2 bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519032 CN202918167U (en) | 2012-10-10 | 2012-10-10 | DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519032 CN202918167U (en) | 2012-10-10 | 2012-10-10 | DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918167U true CN202918167U (en) | 2013-05-01 |
Family
ID=48166443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519032 Expired - Fee Related CN202918167U (en) | 2012-10-10 | 2012-10-10 | DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918167U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337441A (en) * | 2015-11-25 | 2016-02-17 | 中山百川汇盈精密实业有限公司 | Ultrathin brushless direct current motor |
| CN105839309A (en) * | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
| CN106149227A (en) * | 2016-06-28 | 2016-11-23 | 浙江琦星电子有限公司 | Electrical motor of sewing machine, sewing machine electric control gear and sewing machine |
| CN115864691A (en) * | 2022-12-06 | 2023-03-28 | 中国船舶集团有限公司第七〇七研究所 | Small-caliber semi-integral miniature direct current servo motor |
-
2012
- 2012-10-10 CN CN 201220519032 patent/CN202918167U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337441A (en) * | 2015-11-25 | 2016-02-17 | 中山百川汇盈精密实业有限公司 | Ultrathin brushless direct current motor |
| CN105839309A (en) * | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
| CN105839309B (en) * | 2016-06-02 | 2019-11-08 | 琦星智能科技股份有限公司 | Electrical motor of sewing machine, sewing machine electric control gear and sewing machine |
| CN106149227A (en) * | 2016-06-28 | 2016-11-23 | 浙江琦星电子有限公司 | Electrical motor of sewing machine, sewing machine electric control gear and sewing machine |
| CN115864691A (en) * | 2022-12-06 | 2023-03-28 | 中国船舶集团有限公司第七〇七研究所 | Small-caliber semi-integral miniature direct current servo motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202918167U (en) | DC brushless motor | |
| CN206379815U (en) | A kind of permanent-magnet brushless DC electric machine of good heat dissipation effect | |
| CN104967253B (en) | At a high speed without Hall three-phase motor of dust collector | |
| CN205001225U (en) | Draught fan | |
| CN201854138U (en) | Direct-drive servo motor device for sewing machine | |
| CN108599513A (en) | A kind of permanent magnetic brushless with long service life | |
| CN206977292U (en) | A kind of electric machine structure based on Hall | |
| CN105680609A (en) | Air compressor-used direct-driven permanent magnet synchronous motor | |
| CN203559240U (en) | Sewing machine driven by brushless DC motor | |
| EP3518396B1 (en) | Drive apparatus for sewing machines | |
| CN203119732U (en) | Single-phase brushless DC motor | |
| CN201860197U (en) | Bearingless motor for sewing device | |
| CN201933294U (en) | Connecting structure of direct-driving motor and overlock machine | |
| CN2912094Y (en) | Brushless d.c. dynamo with external Hall element | |
| CN106906579B (en) | Main shaft motor mounting structure of sewing machine | |
| CN203212832U (en) | Single-bearing direct drive motor for cup seaming machine | |
| CN208461622U (en) | A kind of brake type motor | |
| CN208767952U (en) | A kind of permanent magnetic brushless with long service life | |
| CN204559353U (en) | Integral type screw air compressor outer-rotor permanent magnet motor | |
| CN209016906U (en) | A kind of blower double-rotor machine | |
| CN211665333U (en) | Driving device of sewing machine and sewing machine | |
| CN106026610A (en) | Motor generator integrated dual-purpose machine apparatus | |
| CN108667210A (en) | A kind of brake type motor | |
| CN201414039Y (en) | Direct-drive motor for sewing machine | |
| CN205304559U (en) | Brushless motor |
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: 20130501 Termination date: 20171010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |