CN208479342U - Variable speed brushless motor - Google Patents
Variable speed brushless motor Download PDFInfo
- Publication number
- CN208479342U CN208479342U CN201821035599.2U CN201821035599U CN208479342U CN 208479342 U CN208479342 U CN 208479342U CN 201821035599 U CN201821035599 U CN 201821035599U CN 208479342 U CN208479342 U CN 208479342U
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- CN
- China
- Prior art keywords
- casing
- variable speed
- brushless motor
- end cap
- speed brushless
- 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.)
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Abstract
A kind of variable speed brushless motor provided by the utility model, including shaft, the casing with cavity and two end caps；Two end caps are fastened on the left and right sides of casing to closed cavity respectively；The end cap is provided with accommodating cavity on the side of casing；Bearing is installed in the accommodating cavity；The both ends of the shaft are interior respectively to be placed in two bearings, and the right end of the shaft passes through end cap and forms power output end；It is circumferentially arranged on the outer peripheral surface of the casing to have several mounting holes；The mounting hole extends through end cap to two sides, forms through-hole；Oil filler point is provided on the inner sidewall of the through-hole；One end of the oil filler point extends in accommodating cavity radially inward, and radially side extends to form fabrication hole to the other end.A kind of variable speed brushless motor provided by the utility model, the oil filler point are provided in through-hole, convenient for adding lubricating oil to bearing, prevent oiling hole plug.
Description
Technical field
The utility model relates to motor fields, and in particular to a kind of variable speed brushless motor.
Background technique
Hospital's large size device for magnetotherapy is moved by motor driven magnetic therapy component, in order to which magnetic fields are in patient body
Each position.Motor requirement power is big, revolving speed is low, noise is small, can be with variable speed, longevity of service.Therefore device for magnetotherapy
On motor usually using brushless motor.It is not provided with oil filler point on the casing of existing brushless motor, is unfavorable for adding to bearing
Add lubricating oil.
Utility model content
For the defects in the prior art, a kind of variable speed brushless motor provided by the utility model, the oil filler point
It is provided in through-hole, convenient for adding lubricating oil to bearing, prevents oiling hole plug.
A kind of variable speed brushless motor provided by the utility model, including shaft, the casing with cavity and two
End cap；Two end caps are fastened on the left and right sides of casing to closed cavity respectively；The end cap is close to the side of casing
On be provided with accommodating cavity；Bearing is installed in the accommodating cavity；The both ends of the shaft are interior respectively to be placed in two bearings,
And the right end of the shaft passes through end cap and forms power output end；It is circumferentially arranged on the outer peripheral surface of the casing to have several peaces
Fill hole；The mounting hole extends through end cap to two sides, forms through-hole；Oil filler point is provided on the inner sidewall of the through-hole；It is described
One end of oil filler point extends in accommodating cavity radially inward, and radially side extends to form fabrication hole to the other end；Positioned at machine
End cap and casing on the left of shell are integrally formed.
It optionally, further include stator, rotor and power supply line；The stator is fixed in cavity；The rotor is located at fixed
Between son and shaft, and the rotor and shaft are keyed；Permanent magnet is provided on the outer peripheral surface of the rotor；The stator
Yoke tooth is provided on inner peripheral surface；Winding is provided on the yoke tooth；One end of the power supply line passes through casing and connect with winding, separately
One end is provided with power connecting plug.
It optionally, further include adjustable resistance；The adjustable resistance is mounted between power connecting plug and winding；It is described can
Adjust size of current of the resistance to adjust winding.
Optionally, the permanent magnet is neodymium iron boron.
It optionally, further include sensor and controller；Magnetic pole position with respect to winding of the sensor to detect rotor
It sets, and generates position sensor signal at determining position, and position sensor signal is passed into controller, the controller connects
Winding current switching is carried out after receiving position sensor signal.
Optionally, the bearing is the mute bearing of NSK.
Optionally, the casing and end cap are all made of aluminium alloy manufacture.
Optionally, circumferentially arranged on the outer peripheral surface of the casing to have multiple radiating rib plates；One end of the radiating rib plate
It is fixed on the outer peripheral surface of casing, radially side extends the other end.
Optionally, the end cap is provided with multiple heat sinks close to the side of cavity.
Optionally, 16 permanent magnets are provided on the outer peripheral surface of the rotor；48 are provided on the inner peripheral surface of the stator
A yoke tooth.
As shown from the above technical solution, the utility model has the beneficial effects that a kind of variable speed provided by the utility model
Brushless motor, including shaft, the casing with cavity and two end caps；Two end caps are fastened on the left and right of casing respectively
Two sides are to closed cavity；The end cap is provided with accommodating cavity on the side of casing；Bearing is installed in the accommodating cavity；
The both ends of the shaft are interior respectively to be placed in two bearings, and the right end of the shaft passes through end cap and forms power output
End；It is circumferentially arranged on the outer peripheral surface of the casing to have several mounting holes；The mounting hole extends through end cap, shape to two sides
At through-hole；Oil filler point is provided on the inner sidewall of the through-hole；One end of the oil filler point extends in accommodating cavity radially inward,
Radially side extends to form fabrication hole to the other end；End cap and casing on the left of casing are integrally formed.The utility model
A kind of variable speed brushless motor provided, the oil filler point are provided in through-hole, convenient for adding lubricating oil to bearing, prevent from infusing
Oilhole blocking.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram of the utility model；
The schematic perspective view of Fig. 2 the utility model.
Appended drawing reference:
1- shaft, 2- casing, 3- end cap, 4- stator, 5- rotor, 6- power supply line, 7- adjustable resistance, 21- cavity, 22- peace
Fill hole, 23- radiating rib plate, 31- accommodating cavity, 32- power output end, 33- through-hole, 34- heat sink, 41- yoke tooth, 42- winding,
61- power connecting plug, 311- bearing, 331- oil filler point, 332- fabrication hole.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
A kind of variable speed brushless motor provided in this embodiment referring to FIG. 1-2, including shaft 1, with cavity 21
Casing 2 and two end caps 3；Two end caps 3 are fastened on the left and right sides of casing 2 to closed cavity 21 respectively；It is described
End cap 3 is provided with accommodating cavity 31 on the side of casing 2；Bearing 311 is installed in the accommodating cavity 31；The shaft 1
Both ends are interior respectively to be placed in two bearings 311, and the right end of the shaft 1 passes through end cap 3 and forms power output end 32；Institute
Stating circumferentially arranged on the outer peripheral surface of casing 2 has several mounting holes 22；The mounting hole 22 extends through end cap 3 to two sides,
Form through-hole 33；Oil filler point 331 is provided on the inner sidewall of the through-hole 33；Prolong radially inward one end of the oil filler point 331
It extends in accommodating cavity 31, radially side extends to form fabrication hole 332 to the other end；End cap 3 and machine positioned at 2 left side of casing
Shell 2 is integrally formed.
It is penetrated in mounting hole 22 when installation with through-hole 33 of the bolt on the end cap 3 on right side, and along the end cap in left side 3
Through-hole 33 is pierced by, and the present embodiment is fixed on motor mount.The bolt contradicts the opening in oil filler point 331 at this time,
Closed oil filler point 331.When needing to add lubricating oil, the bolt for being located at 3 top of end cap is back-outed, is now placed in end cap 3 and most pushes up
The oil filler point 331 at end is connected to fabrication hole 332.Lubricating oil is added into oil filler point 331 by fabrication hole 332, lubricating oil is in weight
Under the action of power, is flowed into along oil filler point 331 and lubricate bearing 311 in accommodating cavity 31.A kind of variable speed provided in this embodiment without
Brush motor, the oil filler point are provided in through-hole, convenient for adding lubricating oil to bearing, prevent oiling hole plug.
It further include stator 4, rotor 5 and power supply line 6 as further improvement to above-mentioned technical proposal；The stator 4
It is fixed in cavity 21；The rotor 5 is between stator 4 and shaft 1, and the rotor 5 and shaft 1 are keyed；Described turn
Permanent magnet is provided on the outer peripheral surface of son 5；Yoke tooth 41 is provided on the inner peripheral surface of the stator 4；It is provided on the yoke tooth 41
Winding 42；One end of the power supply line 6 passes through casing 2 and connect with winding 42, and the other end is provided with power connecting plug 61.It will be electric
Source connection plug 61 is connect with external power supply, and winding 42 is made to be powered.Structure is simple, convenient for safeguarding.
It further include adjustable resistance 7 as further improvement to above-mentioned technical proposal；The adjustable resistance 7 is mounted on electricity
Between source connection plug 61 and winding 42；Size of current of the adjustable resistance 7 to adjust winding 42.Convenient for adjusting winding 42
Size of current, convenient for control revolving speed.
As further improvement to above-mentioned technical proposal, the permanent magnet is neodymium iron boron.With excellent magnetic property, just
In the stability for improving the present embodiment.
It further include sensor and controller as further improvement to above-mentioned technical proposal；The sensor is to examine
Position of the magnetic pole with respect to winding 42 of rotor 5 is surveyed, and generates position sensor signal at determining position, and position sensing is believed
Controller number is passed to, the controller carries out 42 current switching of winding after receiving position sensor signal.The sensor is
Magnetic-pole detection sensor.Convenient for 42 current switching of control winding.
As further improvement to above-mentioned technical proposal, the bearing 311 is mute bearing.Convenient for reducing noise.
As further improvement to above-mentioned technical proposal, the casing 2 and end cap 3 are all made of aluminium alloy manufacture.It is convenient for
Completely cut off magnetic field, reduces influence of the external magnets to the present embodiment.
It is circumferentially arranged on the outer peripheral surface of the casing 2 to have multiple dissipate as further improvement to above-mentioned technical proposal
Hot gusset 23；One end of the radiating rib plate 23 is fixed on the outer peripheral surface of casing 2, and radially side extends the other end.Increase
Add heat dissipation area, convenient for lowering temperature.
As further improvement to above-mentioned technical proposal, the end cap 3 is provided with multiple dissipate close to the side of cavity 21
Hot plate 34.Increase endotherm area, convenient for lowering temperature.
As further improvement to above-mentioned technical proposal, 16 permanent magnets are provided on the outer peripheral surface of the rotor 5；Institute
It states and is provided with 48 yoke teeth 41 on the inner peripheral surface of stator 4.The present embodiment uses multi-stage stator with 48 yoke teeth and with 16
Few grade of rotor of piece permanent magnet, convenient for reducing revolving speed.
In the specification of the utility model, numerous specific details are set forth.It is to be appreciated, however, that the reality of the utility model
Applying example can practice without these specific details.In some instances, well known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this specification.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (10)
1. a kind of variable speed brushless motor, it is characterised in that: including shaft (1), with the casing (2) and two of cavity (21)
A end cap (3)；Two end caps (3) are fastened on the left and right sides of casing (2) to closed cavity (21) respectively；The end cap
(3) accommodating cavity (31) are provided on the side of casing (2)；Bearing (311) are installed in the accommodating cavity (31)；Described turn
The both ends of axis (1) are interior respectively to be placed in two bearings (311), and the right end of the shaft (1) passes through end cap (3) formation and moves
Power output end (32)；It is circumferentially arranged on the outer peripheral surface of the casing (2) to have several mounting holes (22)；The mounting hole (22)
It extends through end cap (3), is formed through-hole (33) to two sides；Oil filler point (331) are provided on the inner sidewall of the through-hole (33)；It is described
One end of oil filler point (331) is extended to radially inward in accommodating cavity (31), and radially side extends to form technique to the other end
Hole (332)；End cap (3) and casing (2) on the left of casing (2) are integrally formed.
2. variable speed brushless motor according to claim 1, it is characterised in that: further include stator (4), rotor (5) with
And power supply line (6)；The stator (4) is fixed in cavity (21)；The rotor (5) is located between stator (4) and shaft (1),
And the rotor (5) and shaft (1) are keyed；Permanent magnet is provided on the outer peripheral surface of the rotor (5)；The stator (4)
Yoke tooth (41) are provided on inner peripheral surface；Winding (42) are provided on the yoke tooth (41)；One end of the power supply line (6) passes through machine
Shell (2) is connect with winding (42), and the other end is provided with power connecting plug (61).
3. variable speed brushless motor according to claim 2, it is characterised in that: further include adjustable resistance (7)；It is described can
Resistance (7) are adjusted to be mounted between power connecting plug (61) and winding (42)；The adjustable resistance (7) is to adjust winding (42)
Size of current.
4. variable speed brushless motor according to claim 2, it is characterised in that: the permanent magnet is neodymium iron boron.
5. variable speed brushless motor according to claim 2, it is characterised in that: further include sensor and controller；Institute
Sensor is stated to detect position of the magnetic pole with respect to winding (42) of rotor (5), and generates position sensing at determining position
Signal, and position sensor signal is passed into controller, the controller carries out winding (42) after receiving position sensor signal
Current switching.
6. variable speed brushless motor according to claim 1, it is characterised in that: the bearing (311) is mute bearing.
7. variable speed brushless motor according to claim 1, it is characterised in that: the casing (2) and end cap (3) are adopted
It is manufactured with aluminium alloy.
8. variable speed brushless motor according to claim 1, it is characterised in that: edge on the outer peripheral surface of the casing (2)
Circumferentially it is provided with multiple radiating rib plates (23)；One end of the radiating rib plate (23) is fixed on the outer peripheral surface of casing (2), another
Radially side extends at end.
9. variable speed brushless motor according to claim 1, it is characterised in that: the end cap (3) is close to cavity (21)
Side be provided with multiple heat sinks (34).
10. variable speed brushless motor according to claim 2, it is characterised in that: set on the outer peripheral surface of the rotor (5)
It is equipped with 16 permanent magnets；48 yoke teeth (41) are provided on the inner peripheral surface of the stator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035599.2U CN208479342U (en) | 2018-07-03 | 2018-07-03 | Variable speed brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035599.2U CN208479342U (en) | 2018-07-03 | 2018-07-03 | Variable speed brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208479342U true CN208479342U (en) | 2019-02-05 |
Family
ID=65212327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821035599.2U Expired - Fee Related CN208479342U (en) | 2018-07-03 | 2018-07-03 | Variable speed brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208479342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042698A (en) * | 2019-11-28 | 2020-04-21 | 宁波欧德意物联科技有限公司 | Sliding door with stepless speed change function |
-
2018
- 2018-07-03 CN CN201821035599.2U patent/CN208479342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042698A (en) * | 2019-11-28 | 2020-04-21 | 宁波欧德意物联科技有限公司 | Sliding door with stepless speed change function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190205 Termination date: 20200703 |