CN209299036U - A kind of detachable carbon brush supports - Google Patents
A kind of detachable carbon brush supports Download PDFInfo
- Publication number
- CN209299036U CN209299036U CN201920125258.2U CN201920125258U CN209299036U CN 209299036 U CN209299036 U CN 209299036U CN 201920125258 U CN201920125258 U CN 201920125258U CN 209299036 U CN209299036 U CN 209299036U
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- China
- Prior art keywords
- carbon brush
- rack body
- card slot
- end cap
- electric motor
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Abstract
A kind of detachable carbon brush supports, including rack body, it is characterized by: the rack body is two, it is symmetricly set on electric motor end cap, positioned at the left and right sides of commutator, the inboard of rack body is open, and the cavity planted for carbon brush is formed in rack body, there is the brush holder spring to offset with carbon brush in cavity inner support, bracket card slot is formed on electric motor end cap, rack body is releasably arranged in bracket card slot.The utility model structure is simple, easy to operate, so that carbon brush assembly is very convenient quick, effectively reduces failure rate, so that carbon brush contacts relatively reliable with commutator, and cost is relatively low.
Description
Technical field
The utility model relates to a kind of carbon brush supports, and in particular to a kind of detachable carbon brush supports.
Background technique
Motor is a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction, frequently as electric appliance or respectively
The power source of class machinery, and carbon brush is that energy or letter are transmitted between motor or the fixed part and rotating part of other rotating machineries
Number device, motor rotate when, electric current is conveyed to magnetizing coil by slip ring.Carbon brush is very easy to wear, is using one
It is needed replacing after or so year.Carbon brush supports play a part of fixed carbon brush position in motor.Traditional brush direct current motor its
Carbon brush supports and electric motor end cap are integrated or are fixed to one, install due to there is a brush holder spring can not be real behind carbon brush
Carbon brush is filled after now first filling rotor, it is necessary to first be filled brush holder spring and carbon brush, then carbon brush is pulled back be made to stay between two carbon brush
The installation space of commutator out refills motor, not only complicated for operation, high failure rate, and assembles complicated.
Through looking into, a kind of Chinese patent " carbon brush for electric machine bracket " of existing Patent No. CN201820667735, technology spy
Sign including main baffle, is vertically installed in the support plate of main baffle two sides and to be set to support plate parallel and far from main baffle one
The mounting plate at end, main baffle edge bend inwards to form in-flanges, and support plate edge outward bending forms flanging.This carbon brush
Support intensity is big, but there is also must first fill brush holder spring and carbon brush, refill the problem of motor when installation.
In addition, a kind of Chinese patent " high power direct current generator carbon brush supports " of Patent No. CN201820116656,
It is set to high power DC motor commutator two sides, and each carbon brush supports include rack body, and the rack body is last
There are two carbon brush pipe arranged side by side, described two carbon brush pipes side is provided with mounting base for molding, the other side be provided with it is described
The corresponding spring of carbon brush pipe installs support arm, and installation increases and commutator there are two carbon brush in two carbon brush pipes arranged side by side
Contact area, spring are mounted on spring installation support arm, can well suppress carbon brush to commutator, connect carbon brush with commutator
Touch relatively reliable, the setting of spring guide groove prevents spring bias, leads to carbon brush unbalance stress, generates concentrated wear.This carbon
Brush bracket is equipped with mounting base, is fixed by installing screw, and not only structure is complicated, and it is complicated that there is also assembly, dismantles troublesome ask
Topic.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, dress for the above-mentioned state of the art
With convenient detachable carbon brush supports, carbon brush supports are separated, it can be achieved that first filling rotor, then install carbon brush supports.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of detachable carbon brush supports, packet
Include rack body, it is characterised in that: the rack body is two, is symmetricly set on electric motor end cap, positioned at a left side for commutator
Right two sides, the inboard opening of rack body form the cavity planted for carbon brush in rack body, have and carbon in cavity inner support
The brush holder spring to offset is brushed, forms bracket card slot on electric motor end cap, rack body is releasably arranged in bracket card slot.
As an improvement, the middle part molding of the electric motor end cap be equipped with the centre bore that is matched with the central axis of rotor and
For the circular groove of the lower end merging of commutator, bracket card slot is radially provided on end cap, positioned at the left and right sides of circular groove.
As an improvement, the rack body be bottom and inner end opening, longitudinal section be inverted U-shaped, bracket card slot is
The two sides outer wall lower part of the rectangular channel of the outer openings to match with rack body, rack body is convexly equipped with two and bracket respectively
The strip up and down of the two sides upper and lower ends guiding cooperation of card slot, rack body can be taken off by the cooperation of upper and lower strip and bracket card slot
It is plugged on electric motor end cap with unloading.
Further, the outer end of the bracket card slot is the wide diameter portion imported for the strip up and down of rack body, upper and lower strip
Spacing not less than bracket card slot two sides electric motor end cap upper end plate face thickness.
Further, the two sides inner wall lower of the rack body be respectively provided with support carbon brush convex ribs, carbon brush along
Convex ribs are plugged in the cavity of rack body, and brush holder spring is supported between cavity inner wall and the rear end of carbon brush, have carbon brush
Always the trend that carbon brush supports and commutator offset is forward extended out.
Further, the rear end on the electric motor end cap positioned at bracket clamp slot is convexly equipped with one for limiting rack body
The retaining detent portion that position prevents rack body from sliding.
Finally, the electric motor end cap is dome-shaped, the two sides perpendicular with bracket card slot offer respectively on electric motor end cap
The fixed connecting hole with motor.
Compared with the prior art, the advantages of the utility model are: carbon brush supports are designed to two of separate type, pass through
The mode of grafting is releasably mounted on the bracket card slot of electric motor end cap, it can be achieved that rotor is first packed into electric motor end cap,
Brush holder spring, carbon brush are fitted into carbon brush supports again, then carbon brush supports are installed, entirely assemble it is very convenient, without the turn of the screw etc.
Operation.The utility model structure is simple, easy to operate, so that carbon brush assembly is very convenient quick, effectively reduces failure rate, makes
Carbon brush contacts relatively reliable with commutator, and cost is relatively low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is cross-sectional view of the Fig. 2 along line A-A；
Fig. 4 is cross-sectional view of the Fig. 2 along line B-B；
Fig. 5 is the exploded view of Fig. 1.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Fig. 1~5, a kind of detachable carbon brush supports, including rack body 1, rack body 1 are two, symmetrically
Be arranged on electric motor end cap 2, positioned at the left and right sides of commutator 4, rack body 1 be bottom and inner end opening, longitudinal section be
Inverted U-shaped, electric motor end cap 2 are dome-shaped, and the middle part molding of electric motor end cap 2 is equipped with to be matched with the central axis of rotor 2
Centre bore 21 and the lower end merging for commutator 4 circular groove 22, on electric motor end cap, the left and right sides of circular groove it is radial
The bracket card slot 23 of the outer openings to match with rack body 1 is offered, projection is distinguished in the two sides outer wall lower part of rack body 1
There are strip 11 up and down of two with the two sides upper and lower ends guiding cooperation of bracket card slot 23, rack body 1 passes through upper and lower strip 11
Cooperation with bracket card slot 23 is releasably plugged on electric motor end cap 2, and the outer end of bracket card slot 23 is for the upper of rack body 1
The wide diameter portion that lower strip 11 imports, the spacing of upper and lower strip 11 are not less than the 2 upper end plate face of electric motor end cap of 23 two sides of bracket card slot
Thickness, the cavity planted for carbon brush 5 is formed in rack body 1, the two sides inner wall lower of rack body 1 is respectively provided with
The convex ribs 12 of carbon brush 5 are supported, carbon brush 5 is plugged in the cavity of rack body 1 along convex ribs 12, and brush holder spring 6 is arranged in cavity
It is interior, be supported between cavity inner wall and the rear end of carbon brush 5, make carbon brush 5 have forward extend out carbon brush supports 1 and commutator 4 always
The trend to offset；Rear end on electric motor end cap 2 positioned at bracket clamp slot 23 is convexly equipped with one and stops for what is limited to rack body 1
Detent portion 24 is moved back, so that the setting of rack body 1 is reliable and stable on bracket card slot 23, prevents rack body 1 from sliding from rear end,
The two sides perpendicular with bracket card slot 23 offer the connecting hole 25 fixed with motor respectively on electric motor end cap 2.
When installation, first rotor 3 is fitted into electric motor end cap 1, then brush holder spring 6, carbon brush 5 are sequentially loaded into carbon brush branch
In frame 1, then it is loaded into the carbon brush supports of carbon brush 5 and is pushed away along the bracket card slot 23 on electric motor end cap 2 to the direction of rotor 3
Enter, make carbon brush 5 and 6 reliable contacts of commutator, installation can be completed, due to being provided with retaining detent in the rear end of bracket card slot 23
Portion 24, so that carbon brush supports are reliable and stable.
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 (7)
1. a kind of detachable carbon brush supports, including rack body, it is characterised in that: the rack body is two, is symmetrically set
The left and right sides on electric motor end cap, positioned at commutator is set, the inboard of rack body is open, forms in rack body for carbon brush
The cavity of plant has the brush holder spring to offset with carbon brush in cavity inner support, and bracket card slot, bracket sheet are formed on electric motor end cap
Body is releasably arranged in bracket card slot.
2. detachable carbon brush supports according to claim 1, it is characterised in that: the middle part molding of the electric motor end cap is set
There is the circular groove of the centre bore matched with the central axis of rotor and the lower end merging for commutator, bracket card slot is radial
It is provided on end cap, positioned at the left and right sides of circular groove.
3. detachable carbon brush supports according to claim 2, it is characterised in that: the rack body is bottom and inner end
Be open, longitudinal section is inverted U-shaped, and bracket card slot is the rectangular channel of the outer openings to match with rack body, bracket sheet
The two sides outer wall lower part of body is convexly equipped with the strip up and down of two with the two sides upper and lower ends guiding cooperation of bracket card slot, bracket respectively
Ontology is releasably plugged on electric motor end cap by the cooperation of upper and lower strip and bracket card slot.
4. detachable carbon brush supports according to claim 3, it is characterised in that: the outer end of the bracket card slot is for branch
The wide diameter portion that the strip up and down of frame ontology imports, the spacing of upper and lower strip are not less than the electric motor end cap upper head plate of bracket card slot two sides
The thickness in face.
5. detachable carbon brush supports according to claim 4, it is characterised in that: under the two sides inner wall of the rack body
Portion is respectively equipped with the convex ribs for being used to support carbon brush, and carbon brush is plugged in the cavity of rack body along convex ribs, brush holder spring support
Between cavity inner wall and the rear end of carbon brush, there is carbon brush and forward extend out the trend that carbon brush supports and commutator offset always.
6. detachable carbon brush supports according to claim 5, it is characterised in that: be located at bracket clamp on the electric motor end cap
The rear end of slot is convexly equipped with one for carrying out the retaining detent portion that limit prevents rack body from sliding to rack body.
7. according to claim 1 to detachable carbon brush supports described in 6 any claims, it is characterised in that: the motor
End cap is dome-shaped, and the two sides perpendicular with bracket card slot offer the connecting hole fixed with motor respectively on electric motor end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125258.2U CN209299036U (en) | 2019-01-25 | 2019-01-25 | A kind of detachable carbon brush supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125258.2U CN209299036U (en) | 2019-01-25 | 2019-01-25 | A kind of detachable carbon brush supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209299036U true CN209299036U (en) | 2019-08-23 |
Family
ID=67642580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920125258.2U Active CN209299036U (en) | 2019-01-25 | 2019-01-25 | A kind of detachable carbon brush supports |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209299036U (en) |
-
2019
- 2019-01-25 CN CN201920125258.2U patent/CN209299036U/en active Active
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