CN208479361U - A kind of outer outer rotor hub motor that electromagnetic brake is housed - Google Patents
A kind of outer outer rotor hub motor that electromagnetic brake is housed Download PDFInfo
- Publication number
- CN208479361U CN208479361U CN201821369132.1U CN201821369132U CN208479361U CN 208479361 U CN208479361 U CN 208479361U CN 201821369132 U CN201821369132 U CN 201821369132U CN 208479361 U CN208479361 U CN 208479361U
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- hub motor
- rotor hub
- outer rotor
- shell
- electromagnetic brake
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Abstract
A kind of outer outer rotor hub motor that electromagnetic brake is housed includes outer rotor hub motor ontology, a polygon boss around the central spindle of outer rotor hub motor ontology is equipped at the end cap central of outer rotor hub motor ontology;Electromagnetic brake includes shell made of a permeability magnetic material, one bottom plate, one winding coil, liner plate made of one permeability magnetic material and a brake block, winding coil is set in shell, an accommodating space is formed between shell and bottom plate, liner plate and brake block are set in accommodating space, one end of liner plate is abutted close to winding coil and with several springs on shell, the both ends of brake block are abutted with liner plate and bottom plate respectively, a polygonal hole is formed at the center of brake block, electromagnetic brake is arranged in central spindle, it is set in the polygonal hole of brake block on the polygon boss of outer rotor hub motor ontology, and it is locked using a latch segment.It, which is realized, installs electromagnetic brake, and easy disassembly on the outside of outer rotor hub motor body.
Description
Technical field
The utility model relates to hub motor fields, more particularly to a kind of outer outer rotor wheel hub electricity equipped with electromagnetic brake
Machine.
Background technique
Motor mainly includes internal rotor hub motor and two kinds of outer rotor hub motor, wherein internal rotor hub motor
Rotating manner be central spindle rotation, motor body do not rotate;And the rotating manner of outer rotor hub motor is that central spindle does not rotate, is electric
Machine ontology rotates, and in actual use, for convenience of motor stalls are controlled, internal rotor hub motor and outer rotor hub motor are equal
Need to install a brake gear.Currently, internal rotor hub motor, which is typically employed at motor stator end cap mechanical connection, installs one
Electromagnetic brake brakes to realize, wherein the bottom plate and motor stator end cap of electromagnetic brake are mechanically connected, electromagnetic brake
Brake block and motor rotation axis are mechanically connected, and brake block is rotated together with motor rotation axis, when electromagnetic brake power-off, electromagnetism
Locking brake block, motor shaft stop operating the liner plate of brake therewith under the action of the spring, and braking effect is good, and damage when side
Just it replaces.And outer rotor hub motor usually realizes brake, disc brake dress by its internal disc brake device installed
It sets and is installed on inside outer rotor hub motor, need to dismantle outer rotor hub motor when needing replacing, it is very troublesome;Meanwhile by
It is that central spindle does not rotate, motor body is rotated in the characteristics of outer rotor hub motor, ordinary electromagnetic brake can not be mounted directly
Brake is realized in outer rotor hub motor.
There is dismounting inconvenience in view of the brake gear of outer rotor hub motor, and ordinary electromagnetic brake can not be direct
It is installed on outer rotor hub motor use, it is necessary to improve to the brake gear of existing outer rotor hub motor.
Utility model content
The technical problem to be solved by the utility model is to provide the outer rotor wheel hubs that electromagnetic brake is housed outside one kind
Motor, to realize the purpose of easy disassembly and brake.
In order to solve the above-mentioned technical problem, the utility model discloses following technical solutions.It is a kind of outer equipped with electromagnetic brake
The outer rotor hub motor of device includes outer rotor hub motor ontology, the end cap central of the outer rotor hub motor ontology
Place is equipped with a polygon boss around the central spindle of the outer rotor hub motor ontology;The electromagnetic brake includes to lead
Shell made of magnetic material, a bottom plate, a winding coil, liner plate and a brake block made of a permeability magnetic material, the winding wire
Circle is set in the shell, and an accommodating space is formed between the shell and bottom plate, and the liner plate and brake block are set to described
In accommodating space, one end of the liner plate is abutted close to the winding coil and with several springs on the shell, institute
The both ends for stating brake block are abutted with the liner plate and bottom plate respectively, and a polygonal hole, institute are formed at the center of the brake block
It states electromagnetic brake and is arranged in the central spindle, the polygonal hole of the brake block is made to be set in the outer rotor hub motor ontology
Polygon boss on, and be locked using a latch segment.
Its further technical solution are as follows: the electromagnetic brake further includes having several limited posts and the first bolt, the limit
Position column is located between the shell and the bottom plate, and first bolt is screwed together in after passing through the limited post from the bottom plate
The accommodating space is formed in the first screw hole on the shell.
Its further technical solution are as follows: the size of the liner plate is matched with the shell, and the liner plate is equipped with for institute
State the hole location that limited post is worn.
Its further technical solution are as follows: the hole location is recessed inwardly by the outer edge of the liner plate.
Its further technical solution are as follows: be formed with an open tubular column at the medial center of the shell, the open tubular column for
The central spindle wears and is used to be arranged fixation for the winding coil.
Its further technical solution are as follows: one second screw hole, the latch segment are at least offered on the side of the latch segment
Second screw hole is passed through by the second bolt to lock onto the central spindle of the outer rotor hub motor ontology.
Its further technical solution are as follows: the central spindle is in cylindrical shape, and the peace of the latch segment is corresponded in the central spindle
It is axially cutting at holding position to be formed with a planar portions;The latch segment is correspondingly provided with an annular portion and the connection annular portion both ends
Across portion, second screw hole is set to described in portion.
Its further technical solution are as follows: the end face of the latch segment is equipped with several third screw holes, and the latch segment passes through
Third bolt is screwed together on the shell of the electromagnetic brake after passing through the third screw hole.
Its further technical solution are as follows: the polygonal hole is a hexagonal hole, and the polygon boss is a hexagon
Boss.
The advantageous effects of the utility model are: outer to turn in the outer outer rotor hub motor equipped with electromagnetic brake
A polygon boss around central spindle, the center of the brake block of electromagnetic brake are equipped at the end cap central of sub- hub motor ontology
Place is formed with a polygonal hole, and electromagnetic brake, which is arranged in central spindle, makes the polygonal hole of brake block be set in outer rotor hub motor
On the polygon boss of ontology, and it is locked using latch segment, in this way, when outer rotor hub motor rotates, electromagnetic brake
In winding coil be powered and generate axial magnetic field, make the shell made of permeability magnetic material and liner plate point positioned at winding coil both ends
It is not magnetized to different magnetism, at this point, liner plate can overcome the elastic force of the spring on shell and move to shell and finally be inhaled
It is attached on shell and is separated with brake block, the polygon boss on outer rotor hub motor drives brake block to rotate therewith;
When outer rotor hub motor powers off, the winding coil in electromagnetic brake powers off simultaneously, the magnetic field disappearance of winding coil, shell and
Liner plate loses magnetism simultaneously, and liner plate under the spring force effect on the shell of electromagnetic brake to brake block, stop by mobile and locking
Vehicle piece, brake block stop operating, and outer rotor hub motor also stops operating therewith, realize brake;In addition, due to the electromagnetic brake
Device is set in the central spindle of outer rotor hub motor and is fixed by latch segment, without dismantling outer rotor wheel hub when installing and dismantling
Motor dismounts quite convenient.
Detailed description of the invention
Fig. 1 is a Structure explosion diagram of an embodiment of the present invention;
Fig. 2 is another Structure explosion diagram of an embodiment of the present invention;
Fig. 3 is the schematic enlarged-scale view of latch segment in an embodiment of the present invention;
Fig. 4 is the axial sectional view of an embodiment of the present invention.
Specific embodiment
In order to more fully understand the technology contents of the utility model, below with reference to schematic diagram to the technical side of the utility model
Case is further described and illustrates, but not limited to this.
As shown in Figures 1 to 4, in this application, which includes outer
Rotor hub motor body 1 is equipped with one at 11 center of end cap of outer rotor hub motor ontology 1 around outer rotor hub motor sheet
The polygon boss 111 of the central spindle 12 of body 1;Electromagnetic brake 2 include shell 21 made of a permeability magnetic material, a bottom plate 22,
Liner plate 24 made of one winding coil 23, a permeability magnetic material and a brake block 25, winding coil 23 are set in shell 21, shell 21
And an accommodating space is formed between bottom plate 22, liner plate 24 and brake block 25 are set in accommodating space, and one end of liner plate 24 is close
Winding coil 23 and is abutted with the spring 26 in several spring fixed bits 211 on the shell 21, the both ends of brake block 25 are divided
It is not abutted with liner plate 24 and bottom plate 22, a polygonal hole 251 is formed at the center of brake block 25, electromagnetic brake is arranged in axis
Core 12 is set in the polygonal hole 251 of brake block 25 on the polygon boss 111 of outer rotor hub motor ontology 1, and uses
One latch segment 3 is locked.
When installation, electromagnetic brake 2 is fixed in the central spindle 12 outside outer rotor hub motor ontology 1 and passes through latch segment
3 are locked, and install simple and convenient.After installing, liner plate 24 is connected on spring 26, liner plate 24 shell 21 and bottom plate 22 it
Between accommodating space in axial direction on there are certain mobile space ranges;Meanwhile on the brake block 25 of electromagnetic brake 2
The end cap 11 that is set in outer rotor hub motor ontology 1 of polygonal hole 251 polygon boss 111 on, brake block 25 and outer
The end cap 11 of rotor hub motor body 1 can transmit torque, in this way, outer rotor hub motor ontology 1 can be realized with brake block 25
It rotates synchronously or synchronizes and stop operating.In actual work, outer rotor hub motor ontology 1 is before the pre- rotation that is powered, motor control
Device can first be powered to electromagnetic brake 2, and the winding coil 23 in electromagnetic brake 2, which is powered, generates axial magnetic field, i.e. winding coil
23 both ends are respectively N pole field and S pole field, and shell 21 and liner plate 24 positioned at 23 both ends of winding coil are permeability magnetic materials
It is manufactured, and be respectively in the pole N and the pole S different magnetic field, shell 21 and liner plate 24 are magnetized to different magnetism, at this point, can
Movable liner plate 24 can overcome the elastic force of the spring 26 on shell 21 and move to shell 21 and finally be adsorbed on shell 21
And separated with brake block 25, brake block 25 is in axial play state, and outer rotor hub motor ontology 1 rotates at this time, outer rotor
The end cap 11 of hub motor ontology 1 rotates simultaneously, and brake block 25 is driven to rotate therewith;Outer rotor hub motor ontology 1 is disconnected
When electric, the winding coil 23 in electromagnetic brake 2 powers off simultaneously, and the magnetic field of winding coil 23 disappears, and shell 21 and liner plate 24 are same
When lose magnetism, the elastic reaction of spring 26 of the liner plate 24 on shell 21 is mobile to brake block 25 and tightly locking brake block
25, brake block 25 stops operating, and outer rotor hub motor ontology 1 also stops operating therewith, realizes brake.
In this application, outer rotor hub motor ontology 1 can be used outer rotor hub motor in the prior art and realize, only
The central spindle 12 for needing that one is arranged at 11 center of end cap of outer rotor hub motor body 1 around outer rotor hub motor ontology 1
Polygon boss 111.As shown in figure 4, hub motor ontology 1 has also typically included fixed in addition to end cap 11 and central spindle 12
The structure members such as sub- iron core 13, magnet steel 14, rotor case 15 and tire 16.
In the application, electromagnetic brake 2 further includes having several limited posts 27 and the first bolt 28, shell 21 and bottom plate 22 it
Between accommodating space surrounded by shell 21, bottom plate 22 and limited post 27, specifically, limited post 27 is located in shell 21 and bottom plate
Between 22, the first bolt 28 is screwed together in the first screw hole 212 on shell 21 after passing through limited post 27 from bottom plate 22, so outside
The accommodating space is formed between shell 21 and bottom plate 22 to install liner plate 24 and brake block 25.In the present embodiment, such as Fig. 1 and Fig. 4
It is shown, set on electromagnetic brake 2 there are three limited post 27, in requisition for three the first bolts 28 and the first screw hole 212 cooperate into
Row is fixed.
Certainly, in some other embodiment, the position limiting structure of several protrusions, bottom case 22 can be directly set on shell 21
It is fixed on the other end of the position limiting structure, in this way, an accommodating space can also formed between shell 21 and bottom plate 22.Alternatively,
In further embodiments, the position limiting structure of several protrusions can be directly set on bottom case 22, and shell 21 is fixed on the limit knot
The other end of structure a, in this way, accommodating space can also be formed between shell 21 and bottom plate 22.
As shown in Figure 1, Figure 2 and Figure 4, the size of liner plate 24 is matched with the size of the shell 21 of electromagnetic brake 2, thus,
The hole location 241 worn for limited post 27 is offered on liner plate 24, liner plate 24 can be axially moved along limited post 27.The present embodiment
In, which is recessed inwardly by the outer edge of liner plate 24.
In the present embodiment, as shown in Figure 1, being formed with an open tubular column 213, open tubular column 213 at the medial center of shell 21
It is worn for the central spindle 12 of outer rotor hub motor ontology 1, and open tubular column 213 is used to be arranged fixation for winding coil 23.Certainly,
In some other embodiment, the other modes that winding coil 23 can be used are fixed in shell 21, such as benefit is screwed.
In the present embodiment, as shown in Figure 1, Figure 2 and Figure 4, one second screw hole is at least offered on the side of latch segment 3
321, latch segment 3 passes through the central spindle 12 that the second screw hole 321 lock onto outer rotor hub motor ontology 1 by the second bolt 33
On.
Normally, the central spindle 12 of outer rotor hub motor ontology 1 is cylindrical shape, and 3 long-time of latch segment is fixed on cylinder
It is easy to appear loosening when in the central spindle 12 of body shape, so that electromagnetic brake 2 be caused to loosen, is unfavorable for braking.For steadily will be electric
Magnetic brake device 2 is fixed in the central spindle 12 of outer rotor hub motor ontology 1, in the present embodiment, as shown in Figure 1, outer rotor wheel
The central spindle 12 of hub motor body 1 is in cylindrical shape, and the peace of latch segment 3 is corresponded in the central spindle 12 of outer rotor hub motor ontology 1
It is axially cutting at holding position to be formed with a planar portions 121;Latch segment 3 is correspondingly provided with an annular portion 31 and one and connects the annular portion two
End across portion 32, the second screw hole 321 is set in portion 32.In this way, latch segment 3 is sheathed on outer rotor hub motor ontology 1
Central spindle 12 on when fixing, the planar portions 121 of central spindle 12 are corresponding across portion 32 with latch segment 3, and are worn using the second bolt 33
Crossing the second screw hole 321, tightly in the planar portions 121 of central spindle 12, latch segment 3 is less likely to occur to loosen lock, is conducive to electromagnetic brake
2 fixation.
In order to which electromagnetic brake 2 to be firmly secured in central spindle 12, the latch segment 3 for Motionless electromagnetic brake 2 is not
It is only fixedly connected with the central spindle 12 of outer rotor hub motor ontology 1, while being also fixedly connected with the shell 21 of electromagnetic brake 2,
As shown in Figure 1, Figure 2 and Figure 4, in the present embodiment, the end face of latch segment 3 is equipped with third screw hole 311, and latch segment 3 passes through the
Three bolts 34 are screwed together in the 4th screw hole 214 on the shell 21 of electromagnetic brake 2 after passing through third screw hole 311.The present embodiment
In, latch segment 3 is fixedly connected with the shell 21 of the central spindle 12 of outer rotor hub motor ontology 1 and electromagnetic brake 2 simultaneously, so that
3 locking effect of latch segment is more preferable, is conducive to the fixation of electromagnetic brake 2.
As shown in Figure 1, in the present embodiment, the polygonal hole 251 at 25 center of brake block is a hexagonal hole, correspondingly,
Polygon boss 111 at 11 center of end cap of outer rotor hub motor ontology 1 is a hexagon boss, in this way, brake block 25
The six lateral opening hexagon boss for being set in end cap 11 on to transmit torque, brake block 25 and outer rotor hub motor ontology 1 are same
Step rotation stops operating.Certainly, in some other embodiment, four be may be designed as at 11 center of end cap of rotor hub motor
The structures such as side shape boss, pentagon boss, the center of brake block 25 are accordingly designed.
In the embodiment of the utility model, this can be in the outer rotor hub motor ontology 1 of exterior brake gear, outer rotor wheel hub
A polygon boss 111, shape at the center of the brake block 25 in electromagnetic brake 2 are equipped at 11 center of end cap of motor body 1
Cheng Youyi polygonal hole 251, when installation, electromagnetic brake 2 is set in the central spindle 12 of outer rotor hub motor ontology 1 and passes through
Latch segment 3 is locked, at 11 center of end cap of the polygonal hole 251 on brake block 25 and outer rotor hub motor ontology 1
Polygon boss 111 is arranged fixation, to transmit torque, in this way, when outer rotor hub motor ontology 1 rotates, electromagnetic brake 2
In winding coil 23 be powered generate axial magnetic field, i.e. the both ends of winding coil 23 are respectively N pole field and S pole field, are located at
The shell 21 and liner plate 24 at 23 both ends of winding coil are made of permeability magnetic material, and are respectively at the pole N and the pole S different magnetic field
In, shell 21 and liner plate 24 are magnetized to different magnetism, at this point, mobilizable liner plate 24 can overcome the spring 26 on shell 21
Elastic force and moved to shell 21 and be finally adsorbed on shell 21 and separated with brake block 25, outer rotor hub motor ontology
1 end cap 11 drives brake block 25 to rotate together;Winding wire when outer rotor hub motor ontology 1 powers off, in electromagnetic brake 2
Circle 23 powers off simultaneously, and the magnetic field of winding coil 23 disappears, and shell 21 and liner plate 24 lose magnetism simultaneously, and liner plate 24 is in shell 21
Spring 26 elastic reaction under and locking brake block 25 mobile to brake block 25, brake block 25 stops operating, outer rotor wheel hub
Motor body 1 also stops operating therewith, realizes brake;Further, since the electromagnetic brake 2 is mounted on outer rotor hub motor sheet
Without dismantling outer rotor hub motor ontology 1 when the outside of body 1, installation and disassembly, dismount quite convenient.
It is that above-mentioned preferred embodiment should be regarded as application scheme embodiment for example, all with application scheme thunder
Same, approximate or technology deduction, replacement, improvement for making based on this etc., are regarded as the protection scope of this patent.
Claims (9)
1. a kind of outer outer rotor hub motor that electromagnetic brake is housed, which is characterized in that include outer rotor hub motor sheet
Body is equipped with a central spindle around the outer rotor hub motor ontology at the end cap central of the outer rotor hub motor ontology
Polygon boss;The electromagnetic brake includes shell made of a permeability magnetic material, a bottom plate, a winding coil, a magnetic conduction
Liner plate made of material and a brake block, the winding coil are set in the shell, are formed between the shell and bottom plate
One accommodating space, the liner plate and brake block are set in the accommodating space, and one end of the liner plate is close to the winding coil
And abutted with several springs on the shell, the both ends of the brake block are abutted with the liner plate and bottom plate respectively, institute
It states and is formed with a polygonal hole at the center of brake block, the electromagnetic brake is arranged in the central spindle, makes the brake block
Polygonal hole is set on the polygon boss of the outer rotor hub motor ontology, and is locked using a latch segment.
2. the outer outer rotor hub motor that electromagnetic brake is housed according to claim 1, which is characterized in that the electromagnetism
Brake further includes having several limited posts and the first bolt, and the limited post is located between the shell and the bottom plate, institute
It states in the first screw hole being screwed together on the shell after the first bolt passes through the limited post from the bottom plate and forms the appearance
Between emptying.
3. the outer outer rotor hub motor that electromagnetic brake is housed according to claim 2, which is characterized in that the liner plate
Size matched with the shell, and the liner plate is equipped with the hole location worn for the limited post.
4. the outer outer rotor hub motor that electromagnetic brake is housed according to claim 3, which is characterized in that the hole location
It is recessed inwardly by the outer edge of the liner plate.
5. the outer outer rotor hub motor that electromagnetic brake is housed according to claim 1, which is characterized in that the shell
Medial center at be formed with an open tubular column, the open tubular column wears for the central spindle and is used to be arranged for the winding coil
It is fixed.
6. the outer outer rotor hub motor that electromagnetic brake is housed according to claim 1, which is characterized in that the locking
One second screw hole is at least offered on the side of block, the latch segment passes through second screw hole by the second bolt and lock onto
In the central spindle of the outer rotor hub motor ontology.
7. the outer outer rotor hub motor that electromagnetic brake is housed according to claim 6, which is characterized in that the central spindle
The installed position that the latch segment is corresponded in cylindrical shape, and in the central spindle axially cutting is formed with a planar portions;It is described
Latch segment be correspondingly provided with an annular portion and one connect the annular portion both ends across portion, second screw hole is set to described across portion
On.
8. the outer outer rotor hub motor that electromagnetic brake is housed according to claim 6, which is characterized in that the locking
The end face of block is equipped with several third screw holes, and the latch segment is screwed together in after the third screw hole described by third bolt
On the shell of electromagnetic brake.
9. existing according to claim 1 to the outer outer rotor hub motor equipped with electromagnetic brake, feature described in 8 any one
In the polygonal hole is a hexagonal hole, and the polygon boss is a hexagon boss.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821369132.1U CN208479361U (en) | 2018-08-23 | 2018-08-23 | A kind of outer outer rotor hub motor that electromagnetic brake is housed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821369132.1U CN208479361U (en) | 2018-08-23 | 2018-08-23 | A kind of outer outer rotor hub motor that electromagnetic brake is housed |
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CN208479361U true CN208479361U (en) | 2019-02-05 |
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ID=65208630
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CN201821369132.1U Active CN208479361U (en) | 2018-08-23 | 2018-08-23 | A kind of outer outer rotor hub motor that electromagnetic brake is housed |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110016799A (en) * | 2019-05-08 | 2019-07-16 | 中复连众风电科技有限公司 | Self-travel type electric slicer |
CN110016798A (en) * | 2019-05-08 | 2019-07-16 | 中复连众风电科技有限公司 | Self-travel type electric slicer |
CN110198101A (en) * | 2019-05-08 | 2019-09-03 | 南京康尼智能技术有限公司 | A kind of wheelchair vehicle motor |
CN110266143A (en) * | 2019-07-15 | 2019-09-20 | 沈骁坚 | Mobile mechanism and its electric wheelchair based on hub motor |
-
2018
- 2018-08-23 CN CN201821369132.1U patent/CN208479361U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110016799A (en) * | 2019-05-08 | 2019-07-16 | 中复连众风电科技有限公司 | Self-travel type electric slicer |
CN110016798A (en) * | 2019-05-08 | 2019-07-16 | 中复连众风电科技有限公司 | Self-travel type electric slicer |
CN110198101A (en) * | 2019-05-08 | 2019-09-03 | 南京康尼智能技术有限公司 | A kind of wheelchair vehicle motor |
CN110266143A (en) * | 2019-07-15 | 2019-09-20 | 沈骁坚 | Mobile mechanism and its electric wheelchair based on hub motor |
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