CN209389899U - A kind of double fan blade brush direct current motors - Google Patents
A kind of double fan blade brush direct current motors Download PDFInfo
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- CN209389899U CN209389899U CN201920460723.8U CN201920460723U CN209389899U CN 209389899 U CN209389899 U CN 209389899U CN 201920460723 U CN201920460723 U CN 201920460723U CN 209389899 U CN209389899 U CN 209389899U
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Abstract
The utility model provides a kind of double fan blade brush direct current motors, including casing, magnet steel, rotor assembly, commutator and brush assembly of electric；Casing includes end face and periphery, and multiple first ventilation openings are provided on end face, multiple second ventilation openings are provided on periphery；Rotor assembly includes armature spindle, enameled wire, the iron core being fixed on armature spindle, the first fan and the second fan being fixed on armature spindle；Multiple winding slots are provided on iron core, enameled wire is wrapped in winding slot；Second fan includes snap ring, flabellum and reinforcing rib, and flabellum is along the circumferential direction set in qually spaced on snap ring, is equipped with reinforcing rib between adjacent flabellum；Along the circumferential direction spaced set has multiple protrusions on snap ring, and snap ring is fastened in winding slot by protrusion；Commutator is fixed on armature spindle；A kind of double fan blade brush direct current motors provided by the utility model, overcome that existing brush direct current motor volume is big, power is small, weak heat-dissipating, service life are short, using unsafe defect.
Description
Technical field
The utility model relates to motor fields, more particularly to a kind of double fan blade brush direct current motors.
Background technique
Brush motor be include brushgear convert electric energy to mechanical energy or rotation for converting mechanical energy into electric energy
Motor.It is different from brushless motor, brushgear is for introducing or extraction voltage and electric current.Brush motor is all motors
Basis, it has the characteristics that, and starting is fast, braking in time, can smoothly speed regulation, control circuit be relatively easy in a wide range of.
Many equipment or electric appliance all use brush motor now, and especially brush direct current motor use is more extensive.It is existing
Have brush direct current motor, volume is big, and power is low, be unfavorable for using；And brush direct current motor is converting electrical energy into mechanical energy
During inevitably generate a large amount of heat, the temperature of motor can be made to increase, motor for a long time in excessively high temperature
The lower operation of degree can reduce the service life of motor, or even motor can be made to burn out, and use is very dangerous.
Utility model content
(1) technical problems to be solved
The problem to be solved by the utility model is to provide a kind of double fan blade brush direct current motors, to overcome existing direct current to have
Brush motor volume is big, power is small, weak heat-dissipating, the service life is short, uses unsafe defect.
(2) technical solution
To solve the technical problem, the utility model provides a kind of double fan blade brush direct current motors, including casing, fixation
On the casing inner wall magnet steel, be sleeved in the casing rotor assembly, commutator and be sleeved on the commutator
On brush assembly of electric；The brush assembly of electric is fixed on the housing；
The casing includes end face and periphery, on the end face along the circumferential direction spaced set have it is multiple first logical
Air port, along the circumferential direction spaced set has multiple second ventilation openings on the periphery；
The rotor assembly includes armature spindle, enameled wire, the iron core being fixed on the armature spindle, is fixed on the rotor
The first fan and the second fan on axis；Be provided with multiple winding slots on the iron core, the enameled wire be wrapped in it is described around
In wire casing；Second fan includes snap ring, flabellum and reinforcing rib, and the flabellum is along the circumferential direction set in qually spaced in described
On snap ring, the reinforcing rib is installed between the adjacent flabellum；On the snap ring along the circumferential direction spaced set have it is multiple
Protrusion, the snap ring are fastened in the winding slot by the protrusion；The commutator is fixed on the armature spindle；
The brush assembly of electric includes brush holder and the carbon brush that is mounted in the brush holder, and the brush holder is fixed on the casing
On, the carbon brush hole for installing the carbon brush is provided on the brush holder, the carbon brush is stretched out outside the carbon brush hole and is resisted against
On the outer surface of the commutator.
Further, first fan is aerofoil fan, and second fan is centrifugal fan.
Further, first fan and second fan are aerofoil fan.
Further, the protrusion is four, is along the circumferential direction set in qually spaced on the snap ring respectively.
Further, first ventilation opening is four, is along the circumferential direction set in qually spaced on the end face respectively；Institute
Stating the second ventilation opening is two, is along the circumferential direction set in qually spaced on the periphery respectively.
Further, it is set with shield magnet ring on the periphery, is also threaded with silica gel ring on the periphery.
Further, insulation sleeve is installed, the enameled wire is wrapped in the insulation sleeve in the winding slot.
Further, the iron core includes main iron core and the insulating end plate for being mounted on the main iron core two sides, the main iron
Multiple first winding slots are offered on core, and multiple second matched with first winding slot are offered on the insulating end plate
Winding slot, first winding slot and second winding slot form the winding slot.
Further, the magnet steel is two pieces, is along the circumferential direction set in qually spaced on the inner wall of the casing respectively；Institute
It states between magnet steel against there is U-shaped spring.
Further, rear end cap is fixed on the brush holder；Terminal is installed on the rear end cap；The two of the armature spindle
End is equipped with bearing；The armature spindle is installed on the housing by described bearing one end, and the other end is mounted on the rear end
It covers.
(3) beneficial effect
A kind of double fan blade brush direct current motors provided by the utility model, small in size, the service life is long；Enameled wire is mounted on iron
On core, magnet steel is fixed on casing internal, effectively reduces the volume of motor；The first fan and the second wind are provided on rotor assembly
It fans, the first ventilation opening and the second ventilation opening, the first fan and the cooperation of the second fan is provided on casing, accelerates the air in casing
The heat of rotor assembly generation is effectively reduced in flow velocity, and heat dissipation is more preferable, and the service life is longer, and power is higher；Using integral type knot
Structure, the first fan and the second fan are arranged in casing, and the second fan is fastened on winding slot, and convenient for disassembly and assembly, overall structure is tight
It gathers, volume is smaller, and operation is more stable, and use is safer；Overcome existing brush direct current motor volume is big, power is small, weak heat-dissipating,
Service life is short, uses unsafe defect.
Detailed description of the invention
Fig. 1 is a kind of explosive view of double fan blade brush direct current motors of the utility model；
Fig. 2 is a kind of perspective view of double fan blade brush direct current motor casings of the utility model；
Fig. 3 is a kind of perspective view of double the second fans of fan blade brush direct current motor of the utility model；
Fig. 4 is a kind of perspective view of double fan blade brush direct current motor brush assembly of electric of the utility model；
Fig. 5 is a kind of perspective view of double fan blade brush direct current motor rotor assembly of the utility model；
Fig. 6 is a kind of perspective view of double fan blade brush direct current motors of the utility model.
The corresponding component names of each appended drawing reference are in figure: 1, casing；2, magnet steel；3, commutator；4, armature spindle；5,
Enameled wire；6, the first fan；7, the second fan；8, brush holder；9, carbon brush；10, carbon brush hole；11, magnet ring is protected；12, silica gel ring；13,
Insulation sleeve；14, main iron core；15, insulating end plate；16, U-shaped spring；17, rear end cap；18, terminal；19, bearing；71, snap ring；72,
Flabellum；73, reinforcing rib；101, end face；102, periphery；103, the first ventilation opening；104, the second ventilation opening；141, the first coiling
Slot；151, the second winding slot；711, raised.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Embodiment one
Refering to fig. 1 to Fig. 6, the utility model provides a kind of double fan blade brush direct current motors, including casing 1, is fixed on machine
Magnet steel 2 on 1 inner wall of shell, rotor assembly, commutator 3 and the brush group being sleeved on commutator 3 being sleeved in casing 1
Part；Brush assembly of electric is fixed on casing 1.
Referring to Fig.2, casing 1 includes end face 101 and periphery 102, along the circumferential direction spaced set has on end face 101
Multiple first ventilation openings 103, along the circumferential direction spaced set has multiple the to periphery 102 on the side far from end face 101
Two ventilation openings 104.
Refering to Fig. 3 and Fig. 5, rotor assembly includes armature spindle 4, enameled wire 5, the iron core being fixed on armature spindle 4, the first wind
Fan 6 and the second fan 7；Armature spindle 4 is fixed with the first fan 6, the first fan 6 on the side close to the first ventilation opening 103
For aerofoil fan；Iron core includes main iron core 14 and the insulating end plate 15 for being mounted on 14 two sides of main iron core, is offered on main iron core 14
Multiple first winding slots 141 offer multiple the second winding slots 151 matched with the first winding slot 141 on insulating end plate 15,
First winding slot 141 and the second winding slot 151 form winding slot；Enameled wire 5 is wrapped in winding slot；Second fan 7 is centrifugation
Formula fan, the second fan 7 include snap ring 71, flabellum 72 and reinforcing rib 73, and flabellum 72 is along the circumferential direction set in qually spaced in card
On ring 71, reinforcing rib 73 is installed between adjacent flabellum 72；Along the circumferential direction spaced set has multiple protrusions on snap ring 71
711, snap ring 71 is fastened in winding slot by protrusion 711；Commutator 3 is fixed on armature spindle 4.
Using such device, enameled wire 5 is mounted on iron core, magnet steel 2 is fixed on the inner wall of casing 2, is reduced
The overall volume of motor；Generally without radiator fan either only with a radiator fan, the heat dissipation of motor on existing motor
Effect is poor, and the service life of motor is short, and safety is not high；This device, using two fans, two fans are installed in casing 1, the
One fan 6 is fixed on armature spindle 4, and 7 inlay card of the second fan is compact-sized on winding slot, convenient for disassembly and assembly, the second fan 7
Reinforcing rib 73, stable structure, the long service life of fan are installed between flabellum 72；When motor operation, rotor assembly rotation is driven
Air is blown into casing 1 by the first fan 6 and the rotation of the second fan 7, the first fan 6 along axial direction from the first ventilation opening 103, and second
Fan 7 radially blows out air from the second ventilation opening 104, this mode accelerates the air velocity in casing 1, is effectively reduced and turns
The heat that sub-component generates, heat dissipation is more preferable, and the service life is longer, and power is higher.
Refering to Fig. 4, brush assembly of electric includes brush holder 8 and the carbon brush being mounted in brush holder 89, and brush holder 8 is fixed on casing 1,
The carbon brush hole 10 for installing carbon brush 9 is provided on brush holder 8, carbon brush 9 stretches out outside carbon brush hole 10 and is resisted against the appearance of commutator 3
On face.
In order to guarantee that the stability of structure, protrusion 74 are four, along the circumferential direction it is set in qually spaced on snap ring 71 respectively.
In order to enhance heat dissipation effect, the first ventilation opening 103 is four, is along the circumferential direction set in qually spaced in end face respectively
On 101；Second ventilation opening 104 is two, is along the circumferential direction set in qually spaced on periphery 102 respectively, the first ventilation opening 103
It is track type with the second ventilation opening 104.
In order to improve the power of motor, motor oscillating is avoided, is set on periphery 102 and protects magnet ring 11, on periphery 102
Also it is threaded with silica gel ring 12；Shield magnet ring 11 can prevent leakage field, reduce magnetic resistance, enhance electromagnetic induction effect, improve motor
Power；Silica gel ring 12 has buffer function, prevents casing 1 from colliding with other component, reduces noise, is conducive to extend motor
Service life.
In order to avoid the loss of power of motor, insulation sleeve 13 is installed in winding slot, enameled wire 5 is wrapped in insulation sleeve 13
It is interior；The outer shape of insulation sleeve 13 is identical with winding slot, and insulation sleeve 13 can be dielectrically separated from, and avoids the loss of power of motor,
Improve the power of motor.
Magnet steel 2 generates movement in order to prevent, and magnet steel 2 is two pieces, is along the circumferential direction set in qually spaced in the interior of casing 1 respectively
On wall；The two sides of magnet steel 2 are provided with card slot, and against there is U-shaped spring 16 between magnet steel 2, U-shaped spring 16 is conducive to fasten magnet steel, prevent
Only magnet steel falls off, and avoids magnet steel 2 from generating in casing 1 and moves radially, guarantees the reliability of mechanism.
Rear end cap 17 is fixed on brush holder 8；Terminal 18 is installed on rear end cap 17；The both ends of armature spindle 4 are equipped with bearing
19；Armature spindle 4 is mounted on casing 1 by 19 one end of bearing, and the other end is mounted on rear end cap 17.This mode, 4 liang of armature spindle
End is equipped with bearing 19, and armature spindle generation is avoided to move radially, and prevents armature spindle 4 and casing 1 from generating collision, is conducive to extend and turns
The service life of sub- axis 4；Bearing 19 is spherical bearing, is convenient for 1 aligning of casing, guarantees concentricity.
Embodiment two
The difference between this embodiment and the first embodiment lies in: the second fan 7 is aerofoil fan.
When motor operation, rotor assembly rotation drives the first fan 6 and the rotation of the second fan 7, and the first fan 6 is along axial direction
Air is blown into casing 1 from the first ventilation opening 103, the second fan 7 blows out air from the air port of rear end cap 17 along axial direction, after
Air port is provided on end cap 17.This mode accelerates the air velocity in casing 1, and the heat of rotor assembly generation is effectively reduced,
Heat dissipation is more preferable, and the service life is longer, and power is higher.
A kind of double fan blade brush direct current motors provided by the utility model, small in size, the service life is long；Enameled wire is mounted on iron
On core, magnet steel is fixed on casing internal, effectively reduces the volume of motor；The first fan and the second wind are provided on rotor assembly
It fans, the first ventilation opening and the second ventilation opening, the first fan and the cooperation of the second fan is provided on casing, accelerates the air in casing
The heat of rotor assembly generation is effectively reduced in flow velocity, and heat dissipation is more preferable, and the service life is longer, and power is higher；Using integral type knot
Structure, the first fan and the second fan are arranged in casing, and the second fan is fastened on winding slot, and convenient for disassembly and assembly, overall structure is tight
It gathers, volume is smaller, and operation is more stable, and use is safer；Overcome existing brush direct current motor volume is big, power is small, weak heat-dissipating,
Service life is short, uses unsafe defect.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (10)
1. a kind of double fan blade brush direct current motors, it is characterised in that: including casing (1), be fixed on the casing (1) inner wall
Magnet steel (2), the rotor assembly being sleeved in the casing (1), commutator (3) and the electricity being sleeved on the commutator (3)
Brush assemblies；The brush assembly of electric is fixed on the casing (1)；
The casing (1) includes end face (101) and periphery (102), is along the circumferential direction equidistantly set on the end face (101)
It is equipped with multiple first ventilation openings (103), along the circumferential direction spaced set there are multiple second ventilation openings on the periphery (102)
(104)；
The rotor assembly includes armature spindle (4), enameled wire (5), the iron core being fixed on the armature spindle (4), is fixed on institute
State the first fan (6) and the second fan (7) on armature spindle (4)；Multiple winding slots, the enamel-cover are provided on the iron core
Line (5) is wrapped in the winding slot；Second fan (7) includes snap ring (71), flabellum (72) and reinforcing rib (73), institute
It states flabellum (72) to be along the circumferential direction set in qually spaced on the snap ring (71), be equipped between the adjacent flabellum (72) described
Reinforcing rib (73)；Along the circumferential direction spaced set has multiple raised (711) on the snap ring (71), and the snap ring (71) passes through
The protrusion (711) is fastened in the winding slot；The commutator (3) is fixed on the armature spindle (4)；
The brush assembly of electric includes brush holder (8) and the carbon brush (9) being mounted in the brush holder (8), and the brush holder (8) is fixed on
On the casing (1), the carbon brush hole (10) for installing the carbon brush (9), the carbon brush (9) are provided on the brush holder (8)
It stretches out the carbon brush hole (10) outside and is resisted against on the outer surface of the commutator (3).
2. double fan blade brush direct current motors as described in claim 1, it is characterised in that: first fan (6) is axis stream wind
Fan, second fan (7) are centrifugal fan.
3. fan blade brush direct current motors as described in claim 1 double, it is characterised in that: first fan (6) and described the
Two fans (7) are aerofoil fan.
4. double fan blade brush direct current motors as claimed in claim 2 or claim 3, it is characterised in that: the protrusion (711) is four,
It is along the circumferential direction set in qually spaced on the snap ring (71) respectively.
5. double fan blade brush direct current motors as described in claim 1, it is characterised in that: first ventilation opening (103) is four
It is a, it is along the circumferential direction set in qually spaced on the end face (101) respectively；Second ventilation opening (104) is two, respectively edge
Circumferencial direction is set in qually spaced on the periphery (102).
6. double fan blade brush direct current motors as claimed in claim 5, it is characterised in that: be set on the periphery (102)
It protects magnet ring (11), is also threaded with silica gel ring (12) on the periphery (102).
7. double fan blade brush direct current motors as described in claim 1, it is characterised in that: be equipped with insulation sleeve in the winding slot
(13), the enameled wire (5) is wrapped in the insulation sleeve (13).
8. fan blade brush direct current motors as described in claim 1 double, it is characterised in that: the iron core include main iron core (14) and
It is mounted on the insulating end plate (15) of the main iron core (14) two sides, offers multiple first winding slots on the main iron core (14)
(141), multiple the second winding slots matched with first winding slot (141) are offered on the insulating end plate (15)
(151), first winding slot (141) and second winding slot (151) form the winding slot.
9. double fan blade brush direct current motors as described in claim 1, it is characterised in that: the magnet steel (2) is two pieces, respectively edge
Circumferencial direction is set in qually spaced on the inner wall of the casing (1)；Against there is U-shaped spring (16) between the magnet steel (2).
10. double fan blade brush direct current motors as described in claim 1, it is characterised in that: be fixed with rear end on the brush holder (8)
It covers (17)；Terminal (18) are installed on the rear end cap (17)；The both ends of the armature spindle (4) are equipped with bearing (19)；It is described
Armature spindle (4) is mounted on the casing (1) by the bearing (19) one end, and the other end is mounted on the rear end cap (17)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920460723.8U CN209389899U (en) | 2019-04-08 | 2019-04-08 | A kind of double fan blade brush direct current motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920460723.8U CN209389899U (en) | 2019-04-08 | 2019-04-08 | A kind of double fan blade brush direct current motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209389899U true CN209389899U (en) | 2019-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920460723.8U Active CN209389899U (en) | 2019-04-08 | 2019-04-08 | A kind of double fan blade brush direct current motors |
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| CN (1) | CN209389899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049321A (en) * | 2020-01-06 | 2020-04-21 | 苏州永捷电机有限公司 | Electric machine with double-fan cooling system |
| CN112117858A (en) * | 2020-09-25 | 2020-12-22 | 卧龙电气(上海)中央研究院有限公司 | Motor with cooling structure |
-
2019
- 2019-04-08 CN CN201920460723.8U patent/CN209389899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049321A (en) * | 2020-01-06 | 2020-04-21 | 苏州永捷电机有限公司 | Electric machine with double-fan cooling system |
| CN112117858A (en) * | 2020-09-25 | 2020-12-22 | 卧龙电气(上海)中央研究院有限公司 | Motor with cooling structure |
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