CN205489966U - High stability micromotor - Google Patents
High stability micromotor Download PDFInfo
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- CN205489966U CN205489966U CN201620220414.XU CN201620220414U CN205489966U CN 205489966 U CN205489966 U CN 205489966U CN 201620220414 U CN201620220414 U CN 201620220414U CN 205489966 U CN205489966 U CN 205489966U
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- micro machine
- iron core
- rotating shaft
- micromotor
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Abstract
The utility model relates to a high stability micromotor, this kind of high stability micromotor add the one distance bushing on the shaft front portion of current micromotor to surface at the distance bushing sets up the insulating layer, and the distance bushing plays barrier effect, avoid under axial cluster power acts on, and directly impacting between iron core and the shell front end, thus avoid the iron core to be hit the bits of broken glass at the instantaneous high -speed rotatory in -process of rotor, improve the stability of micromotor, prolong the life of micromotor.
Description
Technical field
This utility model relates to a kind of micro machine, particularly relates to a kind of high stability micro machine.
Background technology
Micro machine, i.e. micromotor, refer to that diameter is less than 160mm or the rated power motor less than 750mW, and general employing battery carries out direct current supply.Micro machine is usually used in control system or gearing load, for realizing dynamoelectric signal or the detection of energy, resolving computing, amplify, perform or the function such as conversion.
Micro machine generally comprises shell, end cap, rotor, and the stator being arranged on housing interior side-wall, and stator is typically made up of two opposite polarity magnetic sheets, and end cap lateral surface is provided with power connection, and rubbing surface of end cover is provided with the brush being connected with power connection；Rotor includes rotating shaft, iron core, coil windings and diverter, and iron core is typically made up of multiple laminations, and lamination is connected in the middle part of rotating shaft by contiguous block, and on coil winding wound contiguous block between lamination and rotating shaft, diverter is arranged on the rear end of rotating shaft.
In the work process of micro machine, particularly in the case of micro machine is applied to shoot type toy, instantaneous high speed rotating due to rotor, rotor can produce the strongest vibration power in the axial direction, under the effect of vibration power, produce between iron core front portion and case nose and clash into, and owing to the material of iron core is more crisp, iron core is easily crashed to pieces, and causes the service life shortening micro machine.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of high stability micro machine, this micro machine tool can resist axial vibration power, avoid iron core to be crashed to pieces during the instantaneous high speed rotating of rotor, improve the stability of micro machine, extend the service life of micro machine.The technical scheme used is as follows:
A kind of high stability micro machine, including shell, end cap, rotor, and the stator being arranged on housing interior side-wall, end cap lateral surface is provided with power connection, rubbing surface of end cover is provided with the brush being connected with power connection, rotor includes rotating shaft, ferrum core, coil windings and diverter, iron core is made up of multiple laminations, lamination is connected in the middle part of rotating shaft by contiguous block, on coil winding wound contiguous block between lamination and rotating shaft, diverter is arranged on the rear end of rotating shaft, it is characterized in that: the front portion of described rotating shaft is provided with distance bushing, the outer surface of distance bushing is provided with insulating barrier.
Said stator is typically made up of two opposite polarity magnetic sheets.
A distance bushing set up on the rotating shaft front portion of existing micro machine by this utility model micro machine, and insulating barrier is set at the outer surface of distance bushing, distance bushing plays iris action, avoid under axial motion power effect, directly clashing between iron core and case nose, thus avoid iron core to be crashed to pieces during the instantaneous high speed rotating of rotor, improve the stability of micro machine, extend the service life of micro machine.
As preferred version of the present utility model, a diameter of 14.8 ~ 15.2mm of described iron core.
As the further preferred version of this utility model, a diameter of 15mm of described iron core.
The diameter of iron core is set to 14.8 ~ 15.2mm, more preferably 15mm, the coiling amount of coil windings can be increased, increase the moment of rotor.
As preferred version of the present utility model, the iron core of described rotor includes three laminations；Gap between adjacent iron cores sheet is 0.8 ~ 1.2mm.
As the further preferred version of this utility model, the gap between described adjacent iron cores sheet is 1mm.
It is 0.8 ~ 1.2mm, more preferably 1mm by the gap between lamination, reduces the gap between existing lamination, thus subtract the leakage field of trochantinian coil windings, improve the performance of micro machine further.
As preferred version of the present utility model, described side wall of outer shell has multiple louvre.Side wall of outer shell is offered louvre, strengthens the heat-sinking capability of micro machine, maintain the operating temperature of micro machine.
This utility model compared with prior art, has the advantage that
A distance bushing set up on the rotating shaft front portion of existing micro machine by this utility model micro machine, and insulating barrier is set at the outer surface of distance bushing, distance bushing plays iris action, avoid under axial motion power effect, directly clashing between iron core and case nose, thus avoid iron core to be crashed to pieces during the instantaneous high speed rotating of rotor, improve the stability of micro machine, extend the service life of micro machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model optimal way；
Fig. 2 is the rotor-side view of this utility model optimal way；
Fig. 3 is the sectional view in Fig. 3 along A-A.
Detailed description of the invention
It is described further with preferred implementation of the present utility model below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of high stability micro machine, including shell 1, end cap (not indicating in figure), rotor 2, and it is arranged on the stator 3 on shell 1 medial wall；Multiple louvre 101 is had on shell 1 sidewall；End cap lateral surface is provided with power connection (not indicating in figure), and rubbing surface of end cover is provided with the brush (not indicating in figure) being connected with power connection；Stator 3 is made up of two opposite polarity magnetic sheets 301 and 302.
As shown in Figure 2 and Figure 3, rotor 2 includes rotating shaft 201, iron core 202, coil windings 203 and diverter 204；Iron core 202 is made up of three laminations 2021, a diameter of 15mm(optional scope 14.8 ~ 15.2mm of iron core 202), lamination 2021 is connected in the middle part of rotating shaft 201 by contiguous block 2022, and the gap between adjacent iron cores sheet 2021 is 1mm(optional scope 0.8 ~ 1.2mm)；Coil windings 203 is wrapped on the contiguous block 2022 between lamination 2021 and rotating shaft 201, and diverter 204 is arranged on the rear end of rotating shaft 201；The front portion of rotating shaft 201 is provided with distance bushing 2011, and the outer surface of distance bushing 2011 is provided with insulating barrier.
A distance bushing 2011 set up on rotating shaft 201 front portion of existing micro machine by this utility model micro machine, and insulating barrier is set at the outer surface of distance bushing 2011, distance bushing 2011 plays iris action, avoid under axial motion power effect, directly clashing between iron core 202 and shell 1 front end, thus avoid iron core 202 to be crashed to pieces during the instantaneous high speed rotating of rotor 2, improve the stability of micro machine, extend the service life of micro machine.
It addition, the diameter of iron core 202 is set to 14.8 ~ 15.2mm, more preferably 15mm, the coiling amount of coil windings 203 can be increased, increase the moment of rotor 2.
It addition, be 0.8 ~ 1.2mm, more preferably 1mm by the gap between lamination 2021, reduce the gap between existing lamination 2021, thus reduce the leakage field of the coil windings 203 of rotor 2, improve the performance of micro machine further.
It addition, offer multiple louvre 101 on shell 1 sidewall, strengthen the heat-sinking capability of micro machine, maintain the operating temperature of micro machine.
In addition; it should be noted that the specific embodiment described in this specification, its each several part title etc. can be different; all equivalences done according to structure, feature and the principle described in this utility model inventional idea or simple change, be all included in the protection domain of this utility model patent.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field; without departing from structure of the present utility model or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (6)
1. a high stability micro machine, including shell, end cap, rotor, and the stator being arranged on housing interior side-wall, end cap lateral surface is provided with power connection, rubbing surface of end cover is provided with the brush being connected with power connection, rotor includes rotating shaft, ferrum core, coil windings and diverter, iron core is made up of multiple laminations, lamination is connected in the middle part of rotating shaft by contiguous block, on coil winding wound contiguous block between lamination and rotating shaft, diverter is arranged on the rear end of rotating shaft, it is characterized in that: the front portion of described rotating shaft is provided with distance bushing, the outer surface of distance bushing is provided with insulating barrier.
2. according to the micro machine described in claim 1, it is characterised in that: a diameter of 14.8 ~ 15.2mm of described iron core.
3. according to the micro machine described in claim 2, it is characterised in that: a diameter of 15mm of described iron core.
4. according to the micro machine described in claim 1, it is characterised in that: the iron core of described rotor includes three laminations；Gap between adjacent iron cores sheet is 0.8 ~ 1.2mm.
5. according to the micro machine described in claim 4, it is characterised in that: the gap between described adjacent iron cores sheet is 1mm.
6. according to the micro machine described in claim 1, it is characterised in that: have multiple louvre on described side wall of outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220414.XU CN205489966U (en) | 2016-03-19 | 2016-03-19 | High stability micromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220414.XU CN205489966U (en) | 2016-03-19 | 2016-03-19 | High stability micromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489966U true CN205489966U (en) | 2016-08-17 |
Family
ID=56654877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620220414.XU Active CN205489966U (en) | 2016-03-19 | 2016-03-19 | High stability micromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205489966U (en) |
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2016
- 2016-03-19 CN CN201620220414.XU patent/CN205489966U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |