CN201656711U - Disc type brushless motor - Google Patents
Disc type brushless motor Download PDFInfo
- Publication number
- CN201656711U CN201656711U CN2010200222451U CN201020022245U CN201656711U CN 201656711 U CN201656711 U CN 201656711U CN 2010200222451 U CN2010200222451 U CN 2010200222451U CN 201020022245 U CN201020022245 U CN 201020022245U CN 201656711 U CN201656711 U CN 201656711U
- Authority
- CN
- China
- Prior art keywords
- bearing
- permanent magnet
- end cap
- stator
- brushless motor
- 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 - Lifetime
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
A disc type brushless motor comprises a casing, an end cover, a rotor support, a rotating shaft, a first bearing, a second bearing, a first stator and a permanent magnet, the first stator is fixedly connected on the inner end face of the end cover, the first stator is located at one side of the rotor support, the permanent magnet is fixed on the rotor support, a second stator is fixedly connected on the inner end face of the end plate of the casing, the second stator is located at the other side of the rotor support, a waveform elastic washer is arranged in the bearing hole of the end plate of the casing, the waveform elastic washer is sleeved on the rotating shaft, one side of the elastic washer is abutted against the first bearing and the other side is abutted against the backstop of the bearing hole, a bearing cap is arranged on the end cover, the bearing cap is fixed on the end cover by the screw, the inner end of the bearing cap is inserted into the bearing hole of the end cover and abutted against the second bearing on the end cover, a washer is arranged between the bearing cap and the second bearing on the end cover. The disc type brushless motor can improve the power by times, has low processing precision requirement and low cost.
Description
Technical field
The utility model relates to a kind of motor, specifically, relates to a kind of disk type brushless motor.
Background technology
Existing disk type brushless motor has a cover stator and a rotor, want to significantly improve power, just can only strengthen the diameter of disc type electric machine, but this solution also there is drawback, if, can't install or use in some occasion because the diameter of disc type electric machine is done very greatly.Simultaneously, the gap is also very little between the stator of this kind motor and the permanent magnet, if do not adjust the position between them in the time of processing, permanent magnet is easy to collide with stator in the time of running, cause motor to rotate, and easily permanent magnet is broken into pieces, the permanent magnet cost just very easily causes damage than higher; If guarantee gap between them, the then very high and cost height of requirement on machining accuracy by the precision of machining.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can significantly improve power and without dilated diameter, requirement on machining accuracy is low and cost is low disk type brushless motor.
The technical scheme that realizes above-mentioned purpose is: a kind of disk type brushless motor, comprise casing, end cap, rotor field spider, rotating shaft, clutch shaft bearing, second bearing, first stator and permanent magnet, end cap is fixedly connected on the casing, rotor field spider is fixedly connected in the rotating shaft, rotating shaft is supported on the end plate and end cap of casing respectively by the clutch shaft bearing and second bearing, first stator is fixedly connected on the inner face of end cap, and first stator is positioned at a side of rotor field spider, be fixed with permanent magnet on the described rotor field spider, its improvement is: a, also be fixedly connected with second stator on the inner face of the end plate of described casing, and described second stator is positioned at the opposite side of rotor field spider; In the dead eye of the end plate of b, described casing wave spring washer is housed, wave spring washer is enclosed within the rotating shaft and a side and clutch shaft bearing offset, and the backstop of opposite side and dead eye offsets; On c, the described end cap bearing cap is housed, on end cap, stretch into the dead eye of end cap and prop up second bearing on the end cap by bearing cap the inner by screw for described bearing cap; Be provided with between second bearing on d, described bearing cap and the end cap to be provided with on packing ring or the described screw between packing ring or described bearing cap and the end cap and have sealing.
Protective cover also is housed on the end cap, and protective cover covers on outside the bearing cap.
Be embedded with cooling water pipe on the described end cap.
Also be embedded with cooling water pipe on the described casing.
Described rotor field spider comprises axle sleeve, spoke and external toroidal ring, axle sleeve, spoke and external toroidal ring load or make one, setting-in or be fixedly connected with permanent magnet between described every two adjacent spokes.
Has flange on the periphery wall of described axle sleeve, the flange both sides are fixedly connected with the permanent magnet limiting plate, and the outer of permanent magnet limiting plate exceeds the outer of flange, have some radial screw bore on the described external toroidal ring, the outer end of described permanent magnet is by the holding screw tightening in the radial screw bore that is screwed in external toroidal ring, and the inner of permanent magnet is gripped by the permanent magnet limiting plate of flange both sides.
Described permanent magnet is fan-shaped or trapezoidal.
Described permanent magnet limiting plate is semi-round ring shape or annular.
Also have mounting lug on the described casing, have installing hole on the mounting lug.
The beneficial effects of the utility model are: owing to also be fixedly connected with second stator on the inner face of the end plate of described casing, and described second stator is positioned at the opposite side of rotor field spider, be exactly under the situation of original single stator single rotor, increased stator module, become two stator motors, just be the equal of two motor parallel work, thereby significantly improved power and without dilated diameter; Again owing in the dead eye of the end plate of described casing wave spring washer is housed, wave spring washer is enclosed within the rotating shaft and a side and clutch shaft bearing offset, and the backstop of opposite side and dead eye offsets; On the described end cap bearing cap is housed, described bearing cap by screw on end cap, bearing cap the inner is stretched into the dead eye of end cap and is propped up second bearing on the end cap, as long as in assembling and debugging, stamp glue at the screw thread place of screw or between second bearing on bearing cap and the end cap, set up some packing rings or between bearing cap and end cap, set up packing ring, come tightening by adjustment screw again, perhaps after regulating tightening, adjustment screw stamps glue in cap portion that is positioned at screw and end cap junction again, just can guarantee the gap between permanent magnet and two stators, requirement on machining accuracy is low, and cost is low.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the front view of rotor field spider 10 of the present utility model;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the another kind of structural representation of Fig. 2;
Fig. 6 is the E portion enlarged drawing of Fig. 5;
Fig. 7 is the another kind of structural representation of the E portion enlarged drawing of Fig. 5.
Embodiment
Below in conjunction with drawings and Examples, the utility model is done further detailed description.
Shown in Fig. 1～2, a kind of disk type brushless motor, comprise casing 3, end cap 7, rotor field spider 10, rotating shaft 9, clutch shaft bearing 2, second bearing 2 ', first stator 4 and permanent magnet 5, end cap 7 is fixedly connected on the casing 3, rotor field spider 10 is fixedly connected in the rotating shaft 9, rotating shaft 9 is by clutch shaft bearing 2 and second bearing 2 ' be supported on respectively on the end plate 3-2 and end cap 7 of casing 3, first stator 4 is fixedly connected on the inner face of end cap 7, and first stator 4 is positioned at a side of rotor field spider 10, be fixed with permanent magnet 5 on the described rotor field spider 10, also be fixedly connected with on the inner face 3-2-1 of the end plate 3-2 of described casing 3 second stator 4 ', and described second stator 4 ' the be positioned at opposite side of rotor field spider 10; In the dead eye of the end plate 3-2 of described casing 3 wave spring washer 1 is housed, wave spring washer 1 is enclosed within the rotating shaft 9 and a side and clutch shaft bearing 2 offset, and the backstop of opposite side and dead eye offsets; On the described end cap 7 bearing cap 8 is housed, described bearing cap 8 is fixed on the end cap 7 by screw 8-1, bearing cap 8 the inners stretch into the dead eye of end cap 7 and prop up second bearing 2 on the end cap 7 '.
Has sealing on the described screw 8-1.Certainly, also can be shown in Fig. 5～6, second bearing 2 on bearing cap 8 and the end cap 7 ' between increase several packing rings 8-2, perhaps as shown in Figure 7, also can between bearing cap 8 and end cap 7, add packing ring 8-2, in order to the adjusting play.
On the described end cap 7 protective cover 11 is housed also, protective cover 11 covers on outside the bearing cap 8.Can protect motor when being subjected to external force pressure, can not sweep thorax.
Be embedded with cooling water pipe 13 on the described end cap 7.Also be embedded with cooling water pipe 13 on the end plate 3-2 of described casing 3.The cooling water pipe 13 of described end cap 7 inside is tortuous pipeline, and the cooling water pipe 13 of the end plate 3-2 inside of described casing 3 is tortuous pipeline.Tortuous pipeline can increase area of dissipation, improves radiating effect.
Shown in Fig. 3～4, described rotor field spider 10 comprises axle sleeve 10-1, spoke 10-4 and external toroidal ring 10-3, axle sleeve 10-1, spoke 10-4 and external toroidal ring 10-3 load or make one, setting-in or be fixedly connected with permanent magnet 5 between described every two adjacent spoke 10-4.
Has flange 10-2 on the periphery wall of described axle sleeve 10-1, flange 10-2 both sides are fixedly connected with permanent magnet limiting plate 10-5, and the outer of permanent magnet limiting plate 10-5 exceeds the outer of flange 10-2, have some radial screw bore 10-3-1 on the described external toroidal ring 10-3, the outer end of described permanent magnet 5 is by 6 tightenings of the holding screw among the radial screw bore 10-3-1 that is screwed in external toroidal ring 10-3, and the inner of permanent magnet 5 is gripped by the permanent magnet limiting plate 10-5 of flange 10-2 both sides.Permanent magnet is divided into plurality of small blocks, and cost is low like this, permanent magnet is difficult broken.
Described permanent magnet 5 is fan-shaped or trapezoidal.
Described permanent magnet limiting plate 10-5 is semi-round ring shape or annular.
Also have mounting lug 3-1 on the described casing 3, have installing hole 3-1-1 on the mounting lug 3-1.
The utility model is when manufacturing, be coiled into cooling water pipe 13 after the definite shape and end cap 7 and casing 3 moulding by casting together, cooling water pipe 13 gets around all screwed holes or installing hole, cooling water pipe 13 is selected copper pipe for use, the end plate 3-2 of casing 3 has dead eye, place wave spring washer 1 and clutch shaft bearing 2 in the dead eye successively, also has dead eye on the end cap 7, be equipped with in the dead eye second bearing 2 ', rotating shaft 9 is by clutch shaft bearing 2, second bearing 2 ' be supported on the end plate 3-2 and end cap 7 of casing 3, wave spring washer 1, clutch shaft bearing 2, the rotor field spider 10 and second bearing 2 ' be sleeved on successively in the rotating shaft 9, flange 10-2 both sides on the periphery wall of the axle sleeve 10-1 at rotor field spider 10 middle parts all are fixed with permanent magnet limiting plate 10-5 by screw, the outer of permanent magnet limiting plate 10-5 exceeds the outer of flange 10-2, be provided with 6 spoke 10-4 between flange 10-2 and the external toroidal ring 10-3, screwed hole 10-3-1 on the external toroidal ring 10-3 is between the outer end of two adjacent spoke 10-4, and between every two adjacent spoke 10-4 fan-shaped permanent magnet 5 is housed, the outer end of described permanent magnet 5 is by holding screw 6 tightenings among the screwed hole 10-3-1 that is screwed in external toroidal ring 10-3, the inner of permanent magnet 5 is gripped by the permanent magnet limiting plate 10-5 of flange 10-2 both sides, thereby fixed permanent magnet 5 reliably, first stator 4 by screw on the inner face of end cap 7, second stator 4 ' by screw is on the inner face 3-2-1 of the end plate 3-2 of casing 3, and lead wire 15 connects the binding post 14 that is contained on the casing 3.When in use, as long as cooling fluid is fed cooling water pipe 13, can reach the effect that effectively reduces motor temperature.
The utility model is in debugging, because wave spring washer 1 can be with the casing 3 interior cavity direction tops of the clutch shaft bearing in the end plate 3-2 dead eye of casing 32 toward dead eye, then can make permanent magnet 5 near first stator 4, at this time need adjustment screw 8-1, bearing cap 8 is pressed toward casing 3 interior cavity directions, make permanent magnet 5 to first stator 4 and second stator 4 ' between the centre in gap move, so just can guarantee the gap between permanent magnet 5 and two stators.In order to prevent in the motor operation course to take place owing to the situation that vibrations cause screw 8-1 to get loose so that motor damages, in the gap of adjusting between first stator 4 and the permanent magnet 5, it can be gluing on the screw thread of screw 8-1, adjustment screw 8-1 again, make permanent magnet 5 can be in all the time first stator 4 and second stator 4 ' between the gap in the middle of, neither with first stator 4 mutually grazing also not with the grazing of second stator, 4 ' phase; Also can be the position that first adjustment screw 8-1 adjusts permanent magnet 5, on bearing cap 8, be positioned at then with the cap portion junction of screw 8-1 and stamp glue; Perhaps not only at the screw thread place of screw 8-1 but also the cap portion place that on bearing cap 8, is positioned at screw all stamp glue.Certainly, can also be to add several packing rings 8-2 between the bearing cap 8 and second bearing 2 ' or between bearing cap 8 and end cap 7, be used for the adjusting play, screw 8-1 can directly tighten like this, and the thickness of the general packing ring 8-2 that adopts is 0.1mm and/or 0.2mm.These ways all be for guarantee the permanent magnet 5 and first stator 4, second stator 4 ' between best clearance.
Claims (9)
1. disk type brushless motor, comprise casing (3), end cap (7), rotor field spider (10), rotating shaft (9), clutch shaft bearing (2), second bearing (2 '), first stator (4) and permanent magnet (5), end cap (7) is fixedly connected on the casing (3), rotor field spider (10) is fixedly connected in the rotating shaft (9), rotating shaft (9) is supported on the end plate (3-2) and end cap (7) of casing (3) respectively by the clutch shaft bearing (2) and second bearing (2 '), first stator (4) is fixedly connected on the inner face of end cap (7), and first stator (4) is positioned at a side of rotor field spider (10), be fixed with permanent magnet (5) on the described rotor field spider (10), it is characterized in that:
Also be fixedly connected with second stator (4 ') on the inner face (3-2-1) of the end plate (3-2) of a, described casing (3), and described second stator (4 ') is positioned at the opposite side of rotor field spider (10);
In the dead eye of the end plate (3-2) of b, described casing (3) wave spring washer (1) is housed, wave spring washer (1) is enclosed within that rotating shaft (9) is gone up and a side and clutch shaft bearing (2) offset, and the backstop of opposite side and dead eye offsets;
On c, the described end cap (7) bearing cap (8) is housed, described bearing cap (8) is fixed on the end cap (7) by screw (8-1), and bearing cap (8) the inner is stretched into the dead eye of end cap (7) and propped up second bearing (2 ') on the end cap (7);
Be provided with between second bearing (2 ') on d, described bearing cap (8) and the end cap (7) to be provided with on packing ring (8-2) or the described screw (8-1) between packing ring (8-2) or described bearing cap (8) and the end cap (7) and have sealing.
2. disk type brushless motor according to claim 1 is characterized in that: protective cover (11) also is housed on the end cap (7), and protective cover (11) covers on outside the bearing cap (8).
3. disk type brushless motor according to claim 1 is characterized in that: be embedded with cooling water pipe (13) on the described end cap (7).
4. disk type brushless motor according to claim 1 is characterized in that: also be embedded with cooling water pipe (13) on the described casing (3).
5. disk type brushless motor according to claim 1, it is characterized in that: described rotor field spider (10) comprises axle sleeve (10-1), spoke (10-4) and external toroidal ring (10-3), axle sleeve (10-1), spoke (10-4) and external toroidal ring (10-3) load or make one, setting-in or be fixedly connected with permanent magnet (5) between described every adjacent two spokes (10-4).
6. disk type brushless motor according to claim 5, it is characterized in that: have flange (10-2) on the periphery wall of described axle sleeve (10-1), flange (10-2) both sides are fixedly connected with permanent magnet limiting plate (10-5), and the outer of permanent magnet limiting plate (10-5) exceeds the outer of flange (10-2), have some radial screw bore (10-3-1) on the described external toroidal ring (10-3), the outer end of described permanent magnet (5) is by holding screw (6) tightening in the radial screw bore that is screwed in external toroidal ring (10-3) (10-3-1), and the inner of permanent magnet (5) is gripped by the permanent magnet limiting plate (10-5) of flange (10-2) both sides.
7. disk type brushless motor according to claim 5 is characterized in that: described permanent magnet (5) is for fan-shaped or trapezoidal.
8. disk type brushless motor according to claim 6 is characterized in that: described permanent magnet limiting plate (10-5) is semi-round ring shape or annular.
9. disk type brushless motor according to claim 1 is characterized in that: also have mounting lug (3-1) on the described casing (3), have installing hole (3-1-1) on the mounting lug (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200222451U CN201656711U (en) | 2010-01-19 | 2010-01-19 | Disc type brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200222451U CN201656711U (en) | 2010-01-19 | 2010-01-19 | Disc type brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201656711U true CN201656711U (en) | 2010-11-24 |
Family
ID=43121943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200222451U Expired - Lifetime CN201656711U (en) | 2010-01-19 | 2010-01-19 | Disc type brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201656711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684443A (en) * | 2012-05-18 | 2012-09-19 | 山耐斯气动液压(磐安)有限公司 | Dual-power disc type DC brushless motor |
| CN110086272A (en) * | 2018-01-25 | 2019-08-02 | 本田技研工业株式会社 | Rotating electric machine and stator |
-
2010
- 2010-01-19 CN CN2010200222451U patent/CN201656711U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684443A (en) * | 2012-05-18 | 2012-09-19 | 山耐斯气动液压(磐安)有限公司 | Dual-power disc type DC brushless motor |
| CN110086272A (en) * | 2018-01-25 | 2019-08-02 | 本田技研工业株式会社 | Rotating electric machine and stator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101741191B (en) | Disk type brushless motor | |
| CN201656710U (en) | Permanent magnetic disc type brushless motor | |
| CN201663525U (en) | Disk-type brushless motor | |
| CN104702073A (en) | Integrated external rotor permanent magnet motor for screw compressor | |
| CN201656711U (en) | Disc type brushless motor | |
| CN201038880Y (en) | External rotor motor | |
| CN201656712U (en) | Disc brushless motor | |
| CN103117610A (en) | Magnetic-steel-embedded rotor structure of brushless motor | |
| CN208923972U (en) | A kind of disc type electric machine structure | |
| CN202367477U (en) | Internal surface machining fixture for momentum wheel housing | |
| CN201663508U (en) | High-speed precise electric main shaft | |
| CN211791214U (en) | Magnetic coupling transmission device | |
| CN110336418B (en) | Wheel hub motor heat insulating ring and wheel hub motor | |
| CN204517633U (en) | The magnetic coupling of automatic adjustment permanent magnet axial location | |
| CN204030785U (en) | Servomotor dedicated brake and servomotor | |
| CN202424436U (en) | Rotor fixing device of automobile power motor | |
| CN207442627U (en) | Electromagnetic brake mounting structure | |
| CN106121802B (en) | The auto pump clutch apparatus of end is arranged in a kind of electromagnetic coil | |
| CN201682339U (en) | Permanent magnet fixing device with outer rotor structure | |
| CN202696423U (en) | High efficiency permanent magnetism motor | |
| CN217590489U (en) | Inner gear ring easy-to-detach hub motor of electric bicycle | |
| WO2014174552A1 (en) | Dynamo-electric machine | |
| CN104467324A (en) | Permanent magnet motor rotor drying tool | |
| CN104135106A (en) | Energy-saving servo motor | |
| CN204258566U (en) | A kind of permanent magnet machine rotor cures frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |