CN206389212U - A kind of brshless DC motor housing - Google Patents
A kind of brshless DC motor housing Download PDFInfo
- Publication number
- CN206389212U CN206389212U CN201720084240.3U CN201720084240U CN206389212U CN 206389212 U CN206389212 U CN 206389212U CN 201720084240 U CN201720084240 U CN 201720084240U CN 206389212 U CN206389212 U CN 206389212U
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- rear end
- end cap
- brshless
- motor
- motor housing
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Abstract
The utility model provides a kind of brshless DC motor housing, including casing and the drive end bearing bracket and rear end cap that are separately fixed at casing two ends, and the rear end cap is provided with cover plate, and the cover plate is covered in rear end cap outer end and sealing rear end cap;Opposite one end in drive end bearing bracket sets step on the rear end cap, and Hall circuit board is fixed on the step surface of step;Rear end cap side wall is provided with the first wire hole and the second wire hole, first wire hole is used to the lead-out wire on stator winding drawing brshless DC motor, second wire hole is used for the shape difference that hall signal line is drawn to brshless DC motor, the first wire hole and the second wire hole.The utility model sets cover plate to be used to protect the Hall circuit board being fixed on rear end cap, prevents it by external interference and damage, it is ensured that free from dust on Hall circuit board, and motor internal free from dust enters, and motor operating is more reliable, and the life-span is longer.
Description
Technical field
The utility model is related to brshless DC motor, more particularly to a kind of brshless DC motor housing.
Background technology
Brshless DC motor, has very big similarity with brush motor in structure, also has rotor and stator, only
It is opposite with the structure of brush motor;The rotor of brush motor is coil windings, is connected with power output shaft, and stator is permanent-magnet magnetic
Steel, and the rotor of brshless DC motor is permanent magnetic steel, is connected together with shell with output shaft, stator is winding coil, is gone
Fall brush motor and be used for the commutating brush of checker electromagnetic field, but started by driver, stopped, being braked,
Therefore for referred to as brshless DC motor, the brush motor that compares, brshless DC motor have brushless, low interference, noise it is low,
Internal resistance is small, service life is long, the low advantageous feature of maintenance cost.With permanent-magnet material process technology and motor manufacturing level and its
The development of control technology, the performance of permanent-magnet brushless DC electric machine is continuously available raising, has been widely used in Aero-Space, machine
The fields such as people, household electrical appliance, Medical Devices and factory automation.In face of the growing side of the middle and small motor market demand one
Face, brshless DC motor has wide development space and opportunity.However, the brshless DC motor of traditional structure, because it is made
Valency is high, and complex manufacturing causes performance not to be protected, and noise control exists as the main advantage of brshless DC motor
It can not be controlled in production, energy consumption can not be preferably minimized limit.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of brshless DC motor housing.
Technical problem to be solved in the utility model is achieved by the following technical programs:
A kind of brshless DC motor housing, including casing and the drive end bearing bracket and rear end cap that are separately fixed at casing two ends,
It is characterized in that:The rear end cap is provided with cover plate, and the cover plate is covered in rear end cap outer end and sealing rear end cap;The rear end cap
Upper opposite one end in drive end bearing bracket sets step, and Hall circuit board is fixed on the step surface of step.
Further, rear end cap side wall is provided with the first wire hole and the second wire hole, and the first wire hole is used for will
Lead-out wire on stator winding draws brshless DC motor, and the second wire hole is used to hall signal line drawing brushless dc
The shape of machine, the first wire hole and the second wire hole is different.
Further, the first wire hole is circular hole, and the second wire hole is U-shaped hole.
Further, the casing is molded using reinforcement aluminium extruded.
Further, integrated injection molding is respectively adopted in the drive end bearing bracket and rear end cap.
Further, the casing surface forming has plural bar radiation rib.
Further, drive end bearing bracket and rear end cap are fixed by screw on casing.
Further, the rear end cap and cover plate are spirally connected fixation.
Further, the bottom of the drive end bearing bracket and rear end cap is provided with mounting hole, and the mounting hole is fixed by screw electricity
Machine base.
Further, it is provided with reinforcement on drive end bearing bracket and rear end cap.
Further, the position contacted in lead-out wire with rear end cap is provided with outlet pearl.
The utility model has the advantages that:
The utility model sets cover plate to be used to protect the Hall circuit board being fixed on rear end cap, prevents it by external interference
And damage, it is ensured that free from dust on Hall circuit board, motor internal free from dust enters, and motor operating is more reliable, and the life-span is longer.
Hall circuit board of the present utility model is fixed on the step surface of step, by setting ledge structure, more may be used
Lean on, securely fix Hall circuit board.
The utility model is simple in construction, small volume, lightweight, and manufacturing cost is low, and reliability is high, and stability is good, adaptability
By force, repair and maintain simple.
Brief description of the drawings
Fig. 1 is the stereogram of the utility model rear end cap;
Fig. 2 is another stereogram of the utility model rear end cap;
Fig. 3 is the stereogram of the utility model drive end bearing bracket;
Fig. 4 is explosive view of the present utility model.
In figure, 1, drive end bearing bracket, 2, rear end cap, 3, screwed hole, 4, step, the 5, first wire hole, the 6, second wire hole, 7,
One shaft hole, the 8, second shaft hole, 9, reinforcement, 10, mounting hole, 11, cover plate, 12, outlet pearl, 13, Hall circuit board.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
A kind of brshless DC motor housing, including casing and the drive end bearing bracket 1 and rear end cap that are separately fixed at casing two ends
2;The drive end bearing bracket 1 and rear end cap 2 are fixed by screw on casing, making the assembling of motor simple, reliable;The drive end bearing bracket 1
Be equipped with screwed hole 3 on the end face of rear end cap 2, casing is provided with fixing hole, and screw is screwed into the fixation of casing by screwed hole 3
Kong Li, drive end bearing bracket 1, rear end cap 2 and casing are locked, whole permanent-magnet brushless DC electric machine is linked into an entirety.By adopting
With above-mentioned technical proposal so that drive end bearing bracket 1 and rear end cap 2 firmly can be fixed on the casing of motor, strengthen the jail of motor
Solidity and security, enable motor even running.The bottom of the drive end bearing bracket 1 and rear end cap 2 is provided with mounting hole 10, the peace
Dress hole 10 is fixed by screw motor base.
The rear end cap 2 is provided with cover plate 11, and the cover plate 11 is covered in the outer end of rear end cap 2 and sealing rear end cap 2;After described
End cap 2 and cover plate 11 are spirally connected fixation, and cover plate 11 is used to protect the Hall circuit board 13 being fixed on rear end cap 2, prevents it by outer
Boundary disturbs and damaged, it is ensured that free from dust on Hall circuit board 13, motor internal free from dust enters, and motor operates more reliable, the life-span
It is longer;Opposite one end in drive end bearing bracket 1 sets step 4 on the rear end cap 2, and Hall circuit board 13 is fixed on the step of step 4
On face, by setting ledge structure, so as to it is more reliable, securely fix Hall circuit board 13;
The side wall of rear end cap 2 be provided with the first wire hole 5 and the second wire hole 6, the first wire hole 5 be used for by stator around
Lead-out wire in group draws brshless DC motor, and the second wire hole 6 is used to hall signal line drawing brshless DC motor, first
Wire hole 5 is different with the shape of the second wire hole 6, to facilitate staff to distinguish the connection position of lead-out wire and hall signal line
Put, quick connection.Specifically, the first wire hole 5 is U-shaped hole or circular hole, and the second wire hole 6 is U-shaped hole or circular hole, such as first
Wire hole 5 is circular hole, and the second wire hole 6 is U-shaped hole, and the link position of quick identification lead-out wire and hall signal line can be achieved,
Quick connection is further realized, operating efficiency is improved.The position contacted in lead-out wire with rear end cap 2 is provided with outlet pearl 12, protection
Lead-out wire will not be damaged by rear end cap 2.
The casing is molded using reinforcement aluminium extruded, reduces cost, improves the utilization rate of material;And aluminum casing both may be used
Effectively to reduce the leakage field of motor, it can reduce again because of the harm that motor flux leakage is brought.
Integrated injection molding is respectively adopted in the drive end bearing bracket 1 and rear end cap 2.
The casing outer surface has radiator structure, and the radiator structure is preferred but is not limited to be molded in casing outer surface
There is plural bar radiation rib, to increase area of dissipation, increase the intensity of single-piece frame.
The center of the drive end bearing bracket 1 is provided with first rotating shaft hole 7, provided with some same between first rotating shaft hole 7 and drive end bearing bracket 1
Equally distributed reinforcement 9 on one circumference;The center of rear end cap 2 is provided with the second shaft hole 8, the second shaft hole 8 and rear end cap 2 it
Between be provided with some reinforcements 9 equally distributed on same circumference;By setting reinforcement 9, the overall machinery of motor is enhanced
Intensity, while can play a part of fan blade, reduces the temperature rise of motor, saves material.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute
The technical scheme of acquisition, all should fall within protection domain of the present utility model.
Claims (10)
1. a kind of brshless DC motor housing, including casing and the drive end bearing bracket and rear end cap that are separately fixed at casing two ends, its
It is characterised by:The rear end cap is provided with cover plate, and the cover plate is covered in rear end cap outer end and sealing rear end cap;On the rear end cap
Opposite one end in drive end bearing bracket sets step, and Hall circuit board is fixed on the step surface of step.
2. brshless DC motor housing as claimed in claim 1, it is characterised in that:Rear end cap side wall goes out provided with first
String holes and the second wire hole, the first wire hole are used to the lead-out wire on stator winding drawing brshless DC motor, the second outlet
Hole is used for the shape difference that hall signal line is drawn to brshless DC motor, the first wire hole and the second wire hole.
3. brshless DC motor housing as claimed in claim 2, it is characterised in that:First wire hole is circular hole, the second outlet
Hole is U-shaped hole.
4. brshless DC motor housing as claimed in claim 1, it is characterised in that:The casing is pressed into using reinforcement aluminium extruded
Type;Integrated injection molding is respectively adopted in the drive end bearing bracket and rear end cap.
5. brshless DC motor housing as claimed in claim 1, it is characterised in that:The casing surface forming has plural bar to dissipate
Hot rib.
6. brshless DC motor housing as claimed in claim 1, it is characterised in that:Drive end bearing bracket and rear end cap are fixed by screw
In on casing.
7. brshless DC motor housing as claimed in claim 1, it is characterised in that:The rear end cap and cover plate are spirally connected fixation.
8. brshless DC motor housing as claimed in claim 1, it is characterised in that:The bottom of the drive end bearing bracket and rear end cap is set
There is mounting hole, the mounting hole is fixed by screw motor base.
9. brshless DC motor housing as claimed in claim 1, it is characterised in that:Reinforcement is provided with drive end bearing bracket and rear end cap
Muscle.
10. brshless DC motor housing as claimed in claim 1, it is characterised in that:The position contacted in lead-out wire with rear end cap
Outlet pearl is installed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720084240.3U CN206389212U (en) | 2017-01-23 | 2017-01-23 | A kind of brshless DC motor housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720084240.3U CN206389212U (en) | 2017-01-23 | 2017-01-23 | A kind of brshless DC motor housing |
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CN206389212U true CN206389212U (en) | 2017-08-08 |
Family
ID=59494191
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CN201720084240.3U Active CN206389212U (en) | 2017-01-23 | 2017-01-23 | A kind of brshless DC motor housing |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108566020A (en) * | 2018-04-27 | 2018-09-21 | 韵升控股集团有限公司 | A kind of car combustion engine alternating current generator carbon brush chamber |
CN108964327A (en) * | 2018-09-07 | 2018-12-07 | 中山市胜洋电机有限公司 | A kind of waterproof stepper motor with magnetic coder |
CN111181274A (en) * | 2020-01-10 | 2020-05-19 | 洛阳市鑫隆科技发展有限公司 | Permanent magnet coreless unmanned aerial vehicle motor |
CN111969752A (en) * | 2020-08-12 | 2020-11-20 | 东莞维奥电机科技有限公司 | High-concentricity heat dissipation motor shell and manufacturing process thereof |
CN113472124A (en) * | 2021-07-05 | 2021-10-01 | 珠海格力电器股份有限公司 | Motor and air conditioner |
-
2017
- 2017-01-23 CN CN201720084240.3U patent/CN206389212U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108566020A (en) * | 2018-04-27 | 2018-09-21 | 韵升控股集团有限公司 | A kind of car combustion engine alternating current generator carbon brush chamber |
CN108566020B (en) * | 2018-04-27 | 2023-10-13 | 日兴(宁波)电机有限公司 | Carbon brush chamber for automobile internal combustion engine alternating-current generator |
CN108964327A (en) * | 2018-09-07 | 2018-12-07 | 中山市胜洋电机有限公司 | A kind of waterproof stepper motor with magnetic coder |
CN111181274A (en) * | 2020-01-10 | 2020-05-19 | 洛阳市鑫隆科技发展有限公司 | Permanent magnet coreless unmanned aerial vehicle motor |
CN111969752A (en) * | 2020-08-12 | 2020-11-20 | 东莞维奥电机科技有限公司 | High-concentricity heat dissipation motor shell and manufacturing process thereof |
CN113472124A (en) * | 2021-07-05 | 2021-10-01 | 珠海格力电器股份有限公司 | Motor and air conditioner |
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