CN207183759U - A kind of torsion spring type brush holder - Google Patents
A kind of torsion spring type brush holder Download PDFInfo
- Publication number
- CN207183759U CN207183759U CN201720909126.XU CN201720909126U CN207183759U CN 207183759 U CN207183759 U CN 207183759U CN 201720909126 U CN201720909126 U CN 201720909126U CN 207183759 U CN207183759 U CN 207183759U
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- brush
- brush box
- box
- brush holder
- 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
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- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses a kind of torsion spring type brush holder, including brush holder bottom plate, the first brush box and the second brush box, the middle-end of the brush holder bottom plate offers manhole, torsion spring structure is provided with the manhole, the torsion spring structure includes torsion spring body, the first torsion spring end and the second torsion spring end, brush box backing plate is provided with the top of the brush holder bottom plate, the side of the brush box backing plate is provided with the first brush box and the second brush box, the first strip groove is offered at the top of first brush box, the side of the first brush box offers the second strip groove.The utility model torsion spring type brush holder, the center line of first brush box and the second brush box is not located on the same line, so that the first torsion spring end and the second torsion spring end can be very good to insert the inside of the first brush box and the second brush box, it is set stably to conduct electric current between fixed body and rotary body, it can be very good pressure being added on the carbon brush slidably contacted the surfaces with commutator or collector ring, so that motor performance is good, service life length.
Description
Technical field
Brush holder field is the utility model is related to, specially a kind of torsion spring type brush holder.
Background technology
The effect of brush carrier is that pressure is added on the carbon brush slidably contacted the surfaces with commutator or collector ring by spring,
It is set stably to conduct electric current between fixed body and rotary body, for motor, brush holder and carbon brush are all very important portions
Part, no matter carbon brush characteristic how well, when brush holder is improper, carbon brush can not only give full play to its good characteristic, Er Qiehui
Very big influence is brought to motor performance in itself and life-span, existing brush holder, bad mechanical property, service life is short, is using
During, it is impossible to pressure is added in well on the carbon brush slidably contacted the surfaces with commutator or collector ring so that motor performance
Difference.
Utility model content
The purpose of this utility model is to provide a kind of torsion spring type brush holder possess the advantages of service life is long, solves existing
There is the problem of in technology.
To achieve the above object, the utility model provides following technical scheme：A kind of torsion spring type brush holder, including brush holder bottom
Plate, the first brush box and the second brush box, the middle-end of the brush holder bottom plate offer manhole, torsion are provided with the manhole
Spring structure, the torsion spring structure include torsion spring body, the first torsion spring end and the second torsion spring end, and the side of the torsion spring body is provided with
First torsion spring end, the opposite side of torsion spring body are provided with the second torsion spring end, brush box backing plate are provided with the top of the brush holder bottom plate,
The side of the brush box backing plate is provided with the first brush box and the second brush box, and first brush box and the second brush box are located at torsion spring respectively
The both sides of body, offer the first strip groove at the top of first brush box, and it is recessed that the side of the first brush box offers the second bar shaped
Groove, the side of first brush box are provided with fixture, and the side of fixture is provided with fixed block.
Preferably, the center line of first brush box and the second brush box is not arranged on the same straight line.
Preferably, the first torsion spring end is inserted inside the first brush box, and the second torsion spring end is inserted inside the second brush box.
Preferably, the side of second brush box offers the second strip groove.
Compared with prior art, the beneficial effects of the utility model are as follows：
The center line of the utility model torsion spring type brush holder, the first brush box and the second brush box is not located on the same line, and is made
Obtain the first torsion spring end and the second torsion spring end to can be very good to insert the inside of the first brush box and the second brush box, carbon brush can be made
With commutator or the good sliding contact of current collection ring surface, it is set stably to conduct electric current between fixed body and rotary body, can
Effectively to prevent grind away commutator or collector ring, can be very good to be added in pressure to slide with commutator or current collection ring surface to connect
On tactile carbon brush so that motor performance is good, service life length.
Brief description of the drawings
Fig. 1 is top view of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is A-A sectional views of the present utility model；
Fig. 4 is that torsion spring structure of the present utility model inserts schematic diagram；
Fig. 5 is torsion spring structure diagram of the present utility model.
In figure：1 brush holder bottom plate, 2 first brush boxs, 3 second brush boxs, 4 manholes, 5 torsion spring structures, 51 torsion spring bodies, 52
One torsion spring end, 53 second torsion spring ends, 6 brush box backing plates, 7 first strip grooves, 8 second strip grooves, 9 fixtures, 10 are consolidated
Determine block.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-5, a kind of torsion spring type brush holder, including brush holder bottom plate 1, the first brush box 2 and the second brush box 3, the first brush
The center line of the brush box 3 of box 2 and second is not arranged on the same straight line so that the first torsion spring end 52 and the second torsion spring end 53 can be with
The inside of the first brush box 2 of insertion and the second brush box 3 well, can be such that carbon brush is slided well with commutator or current collection ring surface
Contact, makes it stably conduct electric current between fixed body and rotary body, can effectively prevent grind away commutator or collector ring,
The middle-end of brush holder bottom plate 1 offers manhole 4, and torsion spring structure 5, manhole 4 and torsion spring structure are provided with manhole 4
5 center line is located on the same line, and torsion spring structure 5 includes torsion spring body 51, the first torsion spring end 52 and the second torsion spring end
53, the side of torsion spring body 51 is provided with the first torsion spring end 52, and the opposite side of torsion spring body 51 is provided with the second torsion spring end 53, brush holder bottom
The top of plate 1 is provided with brush box backing plate 6, and the brush box backing plate 6 of setting plays a part of protecting the first brush box 2, and the one of brush box backing plate 6
Side is provided with the first brush box 2 and the second brush box 3, and the first brush box 2 and the second brush box 3 are located at the both sides of torsion spring body 51 respectively, and first
Torsion spring end 52 insert the first brush box 2 inside, the second torsion spring end 53 insert the second brush box 3 inside so that carbon brush vibration when,
Instinct with certain mechanical strength and commutation property spark, mechanical performance is strong, can be very good pressure being added in and commutator
Or on the carbon brush that slidably contacts the surfaces of collector ring so that motor performance is good, and the top of the first brush box 2 offers the first strip groove
7, the side of the first brush box 2 offers the second strip groove 8, and the side of the second brush box 3 offers the second strip groove 8, and first
The side of brush box 2 is provided with fixture 9, and the side of fixture 9 is provided with fixed block 10, the utility model torsion spring type brush holder, and
The center line of one brush box 2 and the second brush box 3 is not located on the same line so that the first torsion spring end 52 and the second torsion spring end
53 be can be very good to insert the inside of the first brush box 2 and the second brush box 3, and carbon brush and commutator or current collection ring surface can be made fine
Sliding contact, it is stably conducted electric current between fixed body and rotary body, can effectively prevent from grinding away commutator or
Collector ring, it can be very good pressure being added on the carbon brush slidably contacted the surfaces with commutator or collector ring so that motor performance
It is good, service life length.
In summary：The center line of the utility model torsion spring type brush holder, the first brush box 2 and the second brush box 3 is not positioned at same
On bar straight line so that the first torsion spring end 52 and the second torsion spring end 53 can be very good to insert the first brush box 2 and the second brush box 3
Inside, carbon brush and commutator or the good sliding contact of current collection ring surface can be made, make it between fixed body and rotary body
Electric current is stably conducted, can effectively prevent grind away commutator or collector ring, can be very good pressure being added in and commutator
Or on the carbon brush that slidably contacts the surfaces of collector ring so that motor performance is good, service life length.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of torsion spring type brush holder, including brush holder bottom plate (1), the first brush box (2) and the second brush box (3), it is characterised in that：It is described
The middle-end of brush holder bottom plate (1) offers manhole (4), and torsion spring structure (5), the torsion are provided with the manhole (4)
Spring structure (5) includes torsion spring body (51), the first torsion spring end (52) and the second torsion spring end (53), and the one of the torsion spring body (51)
Side is provided with the first torsion spring end (52), and the opposite side of torsion spring body (51) is provided with the second torsion spring end (53), the brush holder bottom plate (1)
Top be provided with brush box backing plate (6), the side of the brush box backing plate (6) is provided with the first brush box (2) and the second brush box (3),
First brush box (2) and the second brush box (3) are located at the both sides of torsion spring body (51) respectively, are opened at the top of first brush box (2)
Provided with the first strip groove (7), the side of the first brush box (2) offers the second strip groove (8), first brush box (2)
Side is provided with fixture (9), and the side of fixture (9) is provided with fixed block (10).
A kind of 2. torsion spring type brush holder according to claim 1, it is characterised in that：First brush box (2) and the second brush box
(3) center line is not arranged on the same straight line.
A kind of 3. torsion spring type brush holder according to claim 1, it is characterised in that：The first torsion spring end (52) insertion the
One brush box (2) is internal, and it is internal that the second brush box (3) is inserted in the second torsion spring end (53).
A kind of 4. torsion spring type brush holder according to claim 1, it is characterised in that：The side of second brush box (3) opens up
There is the second strip groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909126.XU CN207183759U (en) | 2017-07-25 | 2017-07-25 | A kind of torsion spring type brush holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909126.XU CN207183759U (en) | 2017-07-25 | 2017-07-25 | A kind of torsion spring type brush holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183759U true CN207183759U (en) | 2018-04-03 |
Family
ID=61736629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720909126.XU Expired - Fee Related CN207183759U (en) | 2017-07-25 | 2017-07-25 | A kind of torsion spring type brush holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183759U (en) |
-
2017
- 2017-07-25 CN CN201720909126.XU patent/CN207183759U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20180725 |