CN205829404U - A kind of ultraprecise DC micromotor - Google Patents
A kind of ultraprecise DC micromotor Download PDFInfo
- Publication number
- CN205829404U CN205829404U CN201620761464.9U CN201620761464U CN205829404U CN 205829404 U CN205829404 U CN 205829404U CN 201620761464 U CN201620761464 U CN 201620761464U CN 205829404 U CN205829404 U CN 205829404U
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- CN
- China
- Prior art keywords
- bit slice
- end cap
- card bit
- connecting portion
- micromotor
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Abstract
The utility model discloses a kind of ultraprecise DC micromotor, including motor body and the end cap group of being located at motor body end, described end cap group includes end cap and two brushes being oppositely arranged, described brush includes card bit slice, connecting portion and brushing piece portion, described connecting portion one end is connected with card bit slice upper end, being provided with projection in the middle part of described card bit slice, described card bit slice lower end is conductive part, and described conductive part is provided with wiring hole；Described brushing piece portion is connected with the bending of described connecting portion；Described end cap is provided with in the upper middle part of slot, described connecting portion and card bit slice is arranged in slot and interference fit, is provided with through hole bottom slot, and described conductive part passes through hole and is positioned at outside end cap.The bending of the brushing piece portion of this utility model brush and connecting portion is connected, does not reduce original length, reaches installation brush on the end cap that diameter is little reducing axial dimension.This utility model simple in construction, mounting design rationally consolidate.
Description
Technical field
This utility model relates to machine field, concretely relates to a kind of ultraprecise DC micromotor.
Background technology
Direct current generator is the device converting electrical energy into mechanical energy.Along with the progress and development of science and technology, some high end instruments
Equipment (such as high-end video kind equipment) develops rapidly to portable, accurate, intelligent direction, and DC micromotor is as this kind equipment
Heart perform power source part, the length of the power decision of motor motor and diameter.High-end instrument and equipment is (such as high-end video class
Equipment) due to needs frequent starting, therefore the rotary inertia of motor is restricted, it is impossible to the biggest.Therefore, this kind equipment motor sets
Timing appropriateness increase motor length, and compression motor diameter as best one can, to reduce rotary inertia, so that it is guaranteed that motor is at power not
In the case of change, more excellent performance.
The rotation of direct current generator relies primarily on diverter and brush, and the diameter of diverter is due to the shadow of electric current density during commutation
Ring and need to be designed to greatly as far as possible, (length can not be short) that thus length of brush plate size is more limited by.Work as motor
Diameter when diminishing, the size design of brush plate and be mounted for extremely difficult problem.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of ultraprecise micro DC
Machine, its size design is reasonable, installs simple firm.
For achieving the above object, this utility model is by the following technical solutions:
A kind of ultraprecise DC micromotor, including motor body and the end cap group of being located at motor body end, described end
Lid group includes end cap and two brushes being oppositely arranged, and described brush includes card bit slice, connecting portion and brushing piece portion, described connecting portion
One end is connected with described card bit slice upper end, is provided with projection in the middle part of described card bit slice, and described card bit slice lower end is conductive part, described in lead
Electricity portion is provided with wiring hole；Described brushing piece portion is connected with the bending of described connecting portion；Described end cap is provided with slot, described connecting portion and card
The upper middle part of bit slice is arranged in described slot and interference fit, is provided with through hole bottom described slot, and described conductive part passes logical
Hole is positioned at outside described end cap.
Preferably, the bending angle that described brushing piece portion and described connecting portion are formed is 45-70 °.
Preferably, the bending angle that described brushing piece portion and described connecting portion are formed is 60 °.
Preferably, described connecting portion one end and card bit slice upper end stamping connection, form two salient points.
Preferably, described brushing piece portion is provided with three flexible brush heads.
Preferably, described card bit slice is T-shape, and middle part is provided with the location edge clipping of protrusion, and described location edge clipping width is more than
Described through-hole diameter.
The beneficial effects of the utility model:
1, the bending of the brushing piece portion of brush and connecting portion is connected, and does not reduce original length, reaches reducing axial dimension
Brush is installed on the end cap that diameter is little.
2, it is provided with projection in the middle part of card bit slice, is simultaneously connected with one end, portion and card bit slice upper end stamping connection, forms two salient points,
The upper middle part of connecting portion and card bit slice is arranged in slot, forms interference fit, and mounting design rationally consolidates.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the unfolding assumption diagram of brush；
Fig. 3 is the side view of brush；
Fig. 4 is the structural representation of end cap group；
Fig. 5 is the partial enlargement structural representation of Fig. 4；
Fig. 6 is the left view of Fig. 4.
Reference numeral illustrates:
Motor body 1, end cap group 2, brush 21, card bit slice 211, projection 2111, wiring hole 2112, location edge clipping
2113, salient point 2114, connecting portion 212, brushing piece portion 213, flexible brush head 2131, end cap 22, slot 221.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
With reference to Fig. 1, the utility model discloses a kind of ultraprecise DC micromotor, including motor body 1 and be located at electricity
The end cap group 2 of machine body 1 end, wherein:
With reference to Fig. 2-6, end cap group 2 includes end cap 22 and two brushes 21 being oppositely arranged, and brush 21 includes card bit slice
211, connecting portion 212 and brushing piece portion 213, connecting portion 212 one end and card bit slice 211 upper end stamping connection, form two salient points
2114。
Being provided with protruding 2111 in the middle part of card bit slice 211, card bit slice 211 lower end is conductive part, and conductive part is provided with wiring hole 2112；
Brushing piece portion 213 is connected with connecting portion 212 bending；The bending angle that brushing piece portion 213 and connecting portion 212 are formed is 45-70 °, excellent
Elect 60 ° as.Brushing piece portion 213 is provided with three flexible brush heads 2131, and elastic force is good, more fits with contacting of diverter.
End cap 22 is provided with in the upper middle part of slot 221, connecting portion 212 and card bit slice 211 is arranged in slot 221 and interference is joined
Closing, be provided with through hole (not shown) bottom slot 221, conductive part passes through hole and is positioned at outside end cap 22.Card bit slice 211 in
T-shape, middle part is provided with the location edge clipping 2113 of protrusion, and location edge clipping 2113 width is more than through-hole diameter.
The brushing piece portion 213 of brush 21 is connected with connecting portion 212 bending, does not reduce original length, to reduce axial dimension
Reach to install brush 21 on the end cap 22 that diameter is little.It is provided with protruding 2111 in the middle part of card bit slice 211, is simultaneously connected with one end, portion 212
With card bit slice 211 upper end stamping connection, the upper middle part forming two salient points 2114, connecting portion 212 and card bit slice 211 is arranged in slotting
In groove 221, forming interference fit, mounting design rationally consolidates.
Above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model does not limit to
In this, any those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in
Change or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with power
The protection domain that profit requires is as the criterion.
Claims (6)
1. a ultraprecise DC micromotor, including motor body and the end cap group of being located at motor body end, its feature exists
In: described end cap group includes end cap and two brushes being oppositely arranged, and described brush includes card bit slice, connecting portion and brushing piece portion,
Described connecting portion one end is connected with described card bit slice upper end, is provided with projection in the middle part of described card bit slice, and described card bit slice lower end is for leading
Electricity portion, described conductive part is provided with wiring hole；Described brushing piece portion is connected with the bending of described connecting portion；Described end cap is provided with slot, institute
State in the upper middle part of connecting portion and card bit slice is arranged in described slot and interference fit, bottom described slot, be provided with through hole, described
Conductive part passes through hole and is positioned at outside described end cap.
2. a kind of ultraprecise DC micromotor as claimed in claim 1, it is characterised in that: described brushing piece portion is connected with described
The bending angle that portion is formed is 45-70 °.
3. a kind of ultraprecise DC micromotor as claimed in claim 2, it is characterised in that: described brushing piece portion is connected with described
The bending angle that portion is formed is 60 °.
4. a kind of ultraprecise DC micromotor as described in claim 1,2 or 3, it is characterised in that: described connecting portion one end
With described card bit slice upper end stamping connection, form two salient points.
5. a kind of ultraprecise DC micromotor as claimed in claim 4, it is characterised in that: described brushing piece portion is provided with three bullets
Property brush.
6. a kind of ultraprecise DC micromotor as claimed in claim 5, it is characterised in that: described card bit slice is T-shape, in
Portion is provided with the location edge clipping of protrusion, and described location edge clipping width is more than described through-hole diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620761464.9U CN205829404U (en) | 2016-07-19 | 2016-07-19 | A kind of ultraprecise DC micromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620761464.9U CN205829404U (en) | 2016-07-19 | 2016-07-19 | A kind of ultraprecise DC micromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829404U true CN205829404U (en) | 2016-12-21 |
Family
ID=57563580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620761464.9U Active CN205829404U (en) | 2016-07-19 | 2016-07-19 | A kind of ultraprecise DC micromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205829404U (en) |
-
2016
- 2016-07-19 CN CN201620761464.9U patent/CN205829404U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |