CN206023530U - A kind of hollow cup DC motor - Google Patents
A kind of hollow cup DC motor Download PDFInfo
- Publication number
- CN206023530U CN206023530U CN201620698240.8U CN201620698240U CN206023530U CN 206023530 U CN206023530 U CN 206023530U CN 201620698240 U CN201620698240 U CN 201620698240U CN 206023530 U CN206023530 U CN 206023530U
- Authority
- CN
- China
- Prior art keywords
- casing
- locating ring
- end cap
- diverter
- hollow cup
- 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 - Fee Related
Links
Abstract
The utility model discloses a kind of hollow cup DC motor, including stator, rotor and end cap, described stator includes casing and positioned at the magnet steel of casing internal, the diverter that described rotor is included the coil of tubular and fixed with coil one end, the coil is located between casing and magnet steel, magnet steel is provided through on the diverter, stretch out in the output shaft of casing, described end cap is provided with the brush contacted with diverter, air inlet is provided with the middle part of described end cap, the casing is provided with gas outlet away from one end of end cap, described diverter is provided with to the turbofan that blows between casing and coil near the side of end cap.This utility model aims to provide a kind of raising heat-sinking capability, prevents overheated hollow cup DC motor.
Description
Technical field
This utility model belongs to direct current generator field, more particularly to a kind of hollow cup DC motor.
Background technology
Hollow-cup motor belongs to AC permanent magnet servomotor, its aircored structural advantage so that rotor inertia is far below
The iron core motor of equal-wattage, therefore has prominent energy conservation characteristic, sensitive convenient control characteristic and stable operation characteristic.
The advantages of hollow-cup motor is with its high-performance, high efficiency, compact conformation, in medical apparatus and instruments, robot, small automatic equipment etc.
Field obtains greatly promoting and application.But current hollow-cup motor is to close due to motor housing and end cap, motor
The heat produced during operation can not be discharged in time, can only be undesirable by motor housing surface radiating, its radiating effect, and motor holds
Easily there is overheated situation, have influence on the life-span of motor.
Utility model content
This utility model is to overcome above-mentioned deficiency of the prior art, there is provided a kind of improve heat-sinking capability, prevent
Overheated hollow cup DC motor.
To achieve these goals, this utility model is employed the following technical solutions：
A kind of hollow cup DC motor, including stator, rotor and end cap, described stator includes casing and is located at casing
Internal magnet steel, the diverter that described rotor is included the coil of tubular and fixed with coil one end, the coil are located at machine
Between shell and magnet steel, magnet steel on the diverter, being provided through, stretching out in the output shaft of casing, described end cap is provided with and changes
To the brush of device contact, air inlet in the middle part of described end cap, is provided with, the casing is provided with gas outlet away from one end of end cap, described
Diverter near the side of end cap be provided between casing and coil blow turbofan.So, when the rotor of motor turns
When dynamic, the turbofan on diverter can be driven simultaneously to rotate, so as to the air inlet suction by extraneous air from the middle part of end cap,
It is transported between casing and coil through turbofan, the air after heat exchange is discharged from the gas outlet of casing, so as to reality
Now reduce the effect of motor temperature.
Preferably, described turbofan includes the first locating ring being arranged in parallel and the second locating ring, and it is located at
Some flabellums between first locating ring and the second locating ring, described diverter are provided with the card coordinated with the first locating ring
Groove.Turbofan is coordinated by the draw-in groove of the first locating ring and diverter, and diverter drives turbofan while rotating
Rotate together.
Preferably, described casing is provided with regulating tank corresponding with turbofan position, it is provided with the regulating tank
Slide block, the outward flange of the turbofan are provided with annular groove, are provided with the finger being slidably matched with annular groove below slide block.So pass through
Relative for fluctuation turbofan diverter can be moved by finger, carry out turbofan with diverter when ambient air temperature is higher
Connect and fix, and then both are separated when temperature is relatively low, improve ease of use.
Preferably, described stator also includes that bearing holder (housing, cover), the end of the bearing holder (housing, cover) are fixed with casing internal, the magnetic
Steel bushing is located at outside bearing holder (housing, cover), is provided with the bearing of positioning output shaft in the bearing holder (housing, cover).
Preferably, described end cap is provided with wire, the wire is connected with corresponding brush.
Preferably, radial arrangement of the described flabellum along output shaft, the side of flabellum is fixed with the first locating ring, is fanned
The opposite side of leaf is fixed with the second locating ring, forms heat dissipation wind channel between flabellum and the first locating ring, the second locating ring.
Preferably, be provided with above described slide block can be with the latch segment of casing positioning.
The beneficial effects of the utility model are：Radiating effect is good, can effectively prevent motor overheating, it is ensured that motor makes
Use the life-span.
Description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
In figure：Wire 1, brush 2, end cap 3, air inlet 3a, slide block 4, finger 5, diverter 6, draw-in groove 6a, bearing holder (housing, cover) 7,
Casing 8, regulating tank 8a, gas outlet 8b, bearing 9, output shaft 10, magnet steel 11, coil 12, turbofan 13, the first locating ring
13a, the second locating ring 13b, annular groove 13c.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is further described.
In embodiment as shown in Figure 1, a kind of hollow cup DC motor, including stator, rotor and end cap 3, wherein stator
Including casing 8 and the magnet steel 11 positioned at casing internal, one end of casing is provided with opening so as to be coordinated with end cap, and casing is remote
Gas outlet 8b is provided with from one end of end cap.Stator also includes that bearing holder (housing, cover) 7, the end of bearing holder (housing, cover) are fixed with casing internal, magnetic steel sleeve
It is located at outside bearing holder (housing, cover), in bearing holder (housing, cover), is provided with the bearing 9 of positioning output shaft 10.Rotor includes the coil 12 and and coil of tubular
The diverter 6 that one end is fixed, coil are located between casing and magnet steel, be provided through magnet steel, stretch out in the defeated of casing on diverter
Shaft, end cap are provided with the brush 2 contacted with diverter, are provided with air inlet 3a in the middle part of end cap, and end cap is simultaneously outwards provided with wire 1
Draw, wire is connected with corresponding brush.
Diverter is provided with to the turbofan 13 that blows between casing and coil near the side of end cap.Turbofan includes
The first locating ring 13a being arranged in parallel and the second locating ring 13b, and if between the first locating ring and the second locating ring
Dry flabellum, flabellum around output shaft axial direction arrangement and flabellum cross section along output shaft radial arrangement.The side of flabellum
Fix with the first locating ring, the opposite side of flabellum is fixed with the second locating ring, between flabellum and the first locating ring, the second locating ring
Form heat dissipation wind channel.Diverter is provided with the draw-in groove 6a coordinated with the first locating ring, and casing is provided with and turbofan position pair
The regulating tank 8a for answering, is provided with slide block 4 in regulating tank, the outward flange of turbofan is provided with annular groove 13c, the lower section of slide block 4 be provided with
The finger 5 that annular groove is slidably matched.It is provided with above slide block 4 and be able to can passes through after switching state with the latch segment of casing positioning, slide block 4
Latch segment is fixed with casing, prevents turbofan from play occur.
In actual use, the use state of turbofan can be switched by slide block 4, when slide block 4 being stirred by whirlpool
When wheel fan is fixed with diverter, diverter can drive turbofan to rotate together, so as to form air channel in motor, by electricity
Heat in machine is taken away.When temperature is relatively low does not need turbofan to be radiated, slide block 4 can be passed through by turbofan and commutation
Device departs from, and is radiated so as to only rely on casing in itself.
Claims (7)
1. a kind of hollow cup DC motor, is characterized in that, including stator, rotor and end cap（3）, described stator includes casing
（8）And it is located at casing（8）Internal magnet steel（11）, described rotor includes the coil of tubular（12）And and coil（12）One
The fixed diverter in end（6）, the coil（12）It is located at casing（8）And magnet steel（11）Between, the diverter（6）It is provided with and wears
Cross magnet steel（11）, stretch out in casing（8）Output shaft（10）, described end cap（3）It is provided with and diverter（6）The brush of contact
（2）, described end cap（3）Middle part is provided with air inlet（3a）, the casing（8）Away from end cap（3）One end be provided with gas outlet
（8b）, described diverter（6）Near end cap（3）Side be provided with to casing（8）And coil（12）Between blow turbine wind
Fan（13）.
2. a kind of hollow cup DC motor according to claim 1, is characterized in that, described turbofan（13）Including flat
First locating ring of row arrangement（13a）With the second locating ring（13b）, and it is located at the first locating ring（13a）With the second locating ring
（13b）Between some flabellums, described diverter（6）It is provided with and the first locating ring（13a）The draw-in groove of cooperation（6a）.
3. a kind of hollow cup DC motor according to claim 1 and 2, is characterized in that, described casing（8）Be provided with
Turbofan（13）The corresponding regulating tank in position（8a）, the regulating tank（8a）In be provided with slide block（4）, the turbofan（13）
Outward flange be provided with annular groove（13c）, slide block（4）Lower section be provided with and annular groove（13c）The finger being slidably matched（5）.
4. a kind of hollow cup DC motor according to claim 1 and 2, is characterized in that, described stator also includes bearing
Set（7）, the bearing holder (housing, cover)（7）End and casing（8）Internal fixed, the magnet steel（11）It is set in bearing holder (housing, cover)（7）Outside, institute
State bearing holder (housing, cover)（7）Positioning output shaft is inside provided with（10）Bearing（9）.
5. a kind of hollow cup DC motor according to claim 1 and 2, is characterized in that, described end cap（3）It is provided with and leads
Line（1）, the wire（1）With corresponding brush（2）Connection.
6. a kind of hollow cup DC motor according to claim 2, is characterized in that, described flabellum is along output shaft（10）
Radial arrangement, the side of flabellum and the first locating ring（13a）Fixation, the opposite side of flabellum and the second locating ring（13b）It is fixed,
Flabellum and the first locating ring（13a）, the second locating ring（13b）Between formed heat dissipation wind channel.
7. a kind of hollow cup DC motor according to claim 3, is characterized in that, described slide block（4）Top is provided with can
With casing（8）The latch segment of positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698240.8U CN206023530U (en) | 2016-07-05 | 2016-07-05 | A kind of hollow cup DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698240.8U CN206023530U (en) | 2016-07-05 | 2016-07-05 | A kind of hollow cup DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023530U true CN206023530U (en) | 2017-03-15 |
Family
ID=58244013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620698240.8U Expired - Fee Related CN206023530U (en) | 2016-07-05 | 2016-07-05 | A kind of hollow cup DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116667572A (en) * | 2023-07-31 | 2023-08-29 | 成都集合工业技术有限公司 | Hollow cup motor |
-
2016
- 2016-07-05 CN CN201620698240.8U patent/CN206023530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116667572A (en) * | 2023-07-31 | 2023-08-29 | 成都集合工业技术有限公司 | Hollow cup motor |
| CN116667572B (en) * | 2023-07-31 | 2023-10-17 | 成都集合工业技术有限公司 | Hollow cup motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20200705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |