CN212726677U - Improved electric brush box mounting structure - Google Patents
Improved electric brush box mounting structure Download PDFInfo
- Publication number
- CN212726677U CN212726677U CN202021169980.5U CN202021169980U CN212726677U CN 212726677 U CN212726677 U CN 212726677U CN 202021169980 U CN202021169980 U CN 202021169980U CN 212726677 U CN212726677 U CN 212726677U
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- brush
- riveting
- brush box
- box
- installation cavity
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Abstract
The utility model discloses a modified brush box mounting structure, including brush mounting panel and a plurality of brush box of installing in the brush mounting panel, the riveting hole has been seted up to the position department that the brush mounting panel corresponds each brush box, the brush box has a brush installation cavity that is used for installing the brush, the lower part of brush box is provided with two at least riveting pins, two riveting pins bilateral symmetry respectively set up, install at the brush of brush box behind the brush installation cavity at least, the riveting pin passes the riveting hole and rivets in the lower terminal surface of brush mounting panel, two riveting pins support each other. The utility model provides a carbon brush and the big problem in brush box clearance, noise at work obviously reduces.
Description
Technical Field
The utility model belongs to the technical field of motor brush box technique and specifically relates to a modified brush box mounting structure is related to.
Background
As shown in fig. 1 to 3, the conventional brush mounting plate has a small riveting pitch, the riveting pins of the brush box are made short, after the riveting pins of the brush box are bent and riveted, the width of the lower riveting part and the width of the upper riveting part of the brush box are inconsistent, the fit clearance between the carbon brush and the brush box is large, which results in unstable motor power and large operation noise, and therefore, improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a modified brush box mounting structure makes the lower part of brush box and the width on the upper portion of brush box parallel and level all the time, has solved the problem that carbon brush and brush box clearance are big, and noise at work obviously reduces.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a modified brush box mounting structure, including the brush mounting panel and a plurality of brush box of installing in the brush mounting panel, the riveting hole has been seted up to the position department that the brush mounting panel corresponds each brush box, the brush box has a brush installation cavity that is used for installing the brush, the lower part of brush box is provided with two at least riveting pins, two riveting pins bilateral symmetry respectively set up, install at least behind the brush installation cavity of brush box at the brush, the riveting pin passes riveting hole and rivets in the lower terminal surface of brush mounting panel, two riveting pins support each other and push up.
In a further technical scheme, the transverse section of the riveting hole is in an arch bridge shape, the riveting hole comprises a riveting insertion section matched with the riveting pin and an arch section formed by inwards extending and arching the riveting insertion section, and two opposite end parts of the arch section respectively form a boss with the insertion section.
In a further technical scheme, the arch sections of the pair of riveting holes corresponding to the two riveting pins are arranged in opposite directions.
In a further technical scheme, the length of the riveting pin is half of the width of the electric brush installation cavity.
In a further technical scheme, the transverse section of the riveting pin is square, trapezoidal or strip-shaped.
In a further technical scheme, the upper end of the brush box is provided with a conductive connecting part, the upper part of the brush box is provided with a baffle part, and at least after the brush is installed in the brush installation cavity of the brush box, the baffle part is bent inwards and the conductive connecting part is bent downwards to seal the rear end of the brush installation cavity.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is:
the riveting pins riveted on the two lower end faces of the electric brush mounting plate abut against each other, so that the width of the lower part of the electric brush box and the width of the upper part of the electric brush box are always parallel and level, the problem of large gap between the carbon brush and the electric brush box is solved, and the working noise is obviously reduced. The riveting hole comprises a riveting insertion section and an arch section formed by inwards extending and arching the riveting insertion section, the shape and the size of the riveting insertion section are matched with those of riveting pins, a boss is formed between the two opposite end parts of the arch section and the insertion section respectively, the riveting pins are inserted into the riveting insertion section, the upper part of the brush box is clamped on the boss to keep the insertion depth of the left riveting pin and the right riveting pin consistent all the time in the installation process of the brush box, and preferably, the arch sections of a pair of riveting holes corresponding to the riveting pins are arranged in opposite directions, so that the riveting gap of the brush installation plate is large.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a prior art configuration;
FIG. 2 is a schematic structural view of a prior art riveting pin riveted to a brush mounting plate;
FIG. 3 is a schematic structural view of a prior art brush mounting plate;
fig. 4 is a schematic structural diagram of the present invention;
fig. 5 is a schematic structural view of the riveting pin of the present invention riveted on the brush mounting plate;
fig. 6 is a schematic structural view of the brush mounting plate of the present invention;
fig. 7 is an enlarged schematic view of the structure at a in fig. 6.
Detailed Description
The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 7, the utility model provides a pair of modified brush box mounting structure, install in brush box 2 of brush mounting panel 1 including brush mounting panel 1 and a plurality of, riveting hole 10 has been seted up to the position department that brush mounting panel 1 corresponds each brush box 2, brush box 2 has a brush installation cavity 20 that is used for installing the brush, brush box 2's lower part is provided with two at least riveting pin 23, two riveting pin 23 bilateral symmetry settings respectively, install behind brush installation cavity 20 at brush box 2 at least at the brush, riveting pin 23 passes riveting hole 10 and rivets in brush mounting panel 1's lower terminal surface, two riveting pin 23 support each other, make the width on brush box 2's lower part and brush box 2's upper portion parallel and level all the time, the problem that carbon brush and brush box 2 clearance is big has been solved, the noise at work obviously reduces. Specifically, the transverse section of the riveting hole 10 is in an arch bridge shape, the riveting hole 10 comprises a riveting insertion section 100 and an arch section 101 formed by extending and arching the riveting insertion section 100 inwards, the shape and size of the riveting insertion section 100 and the riveting pin 23 are matched with each other, a boss 102 is formed between two opposite end parts of the arch section 101 and the insertion section respectively, the riveting pin 23 is inserted into the riveting insertion section 100, the upper part of the electric brush box 2 is clamped on the boss 102, so as to keep the inserting depth of the left and right riveting pins 23 consistent all the time in the installation process of the brush box 2, secondly, preferably, the arch sections 101 of the pair of riveting holes 10 corresponding to the two riveting pins 23 are oppositely arranged, like fig. 3 and fig. 6, will encircle the structure that segmental arc 101 outwards set up, the grafting section sets up inwards for among the prior art, the utility model discloses a riveting clearance of brush mounting panel 1 is big.
Wherein, the length of the riveting pin 23 is half of the width of the brush installation cavity 20. The riveting pin 23 has a square, trapezoidal or strip-shaped transverse cross section.
The upper end of brush box 2 has a conductive connection portion 21, and the upper portion of brush box 2 has a baffle portion 22, install at the brush at least behind brush installation cavity 20 of brush box 2, baffle portion 22 inwards buckles with conductive connection portion 21 buckle downwards with the rear end of sealing brush installation cavity 20, in the actual assembly, earlier in the early brush installation cavity 20 of brush holding, baffle portion 22 inwards buckles with conductive connection portion 21 buckles downwards with the rear end of sealing brush installation cavity 20, riveting pin 23 passes riveting hole 10 and rivets in the lower terminal surface of brush mounting panel 1, the utility model discloses compact structure can avoid brush roll-off brush box 2 effectively.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. An improved brush box mounting structure, characterized in that: including brush mounting panel (1) and a plurality of brush box (2) of installing in brush mounting panel (1), riveting hole (10) have been seted up in the position department that brush mounting panel (1) corresponds each brush box (2), brush box (2) have one be used for installing brush installation cavity (20), the lower part of brush box (2) is provided with two at least riveting pin (23), two riveting pin (23) bilateral symmetry respectively set up, install brush installation cavity (20) back at brush box (2) at least, riveting pin (23) pass riveting hole (10) and rivet in the lower terminal surface of brush mounting panel (1), two riveting pin (23) support each other the top.
2. An improved brush box mounting arrangement as recited in claim 1 wherein: the transverse section of the riveting hole (10) is in an arch bridge shape, the riveting hole (10) comprises a riveting insertion section (100) matched with the riveting pin (23) and an arch section (101) formed by inwards extending and arching the riveting insertion section (100), and two opposite end parts of the arch section (101) form a boss (102) with the insertion section.
3. An improved brush box mounting arrangement as recited in claim 2 wherein: the arch sections (101) of the pair of riveting holes (10) corresponding to the two riveting pins (23) are oppositely arranged.
4. An improved brush box mounting arrangement as recited in claim 1 wherein: the length of the riveting pin (23) is half of the width of the electric brush installation cavity (20).
5. An improved brush box mounting arrangement as recited in claim 1 wherein: the transverse section of the riveting pin (23) is square, trapezoid or strip.
6. An improved brush box mounting arrangement as recited in claim 1 wherein: the upper end of the electric brush box (2) is provided with a conductive connecting part (21), the upper part of the electric brush box (2) is provided with a baffle part (22), and at least after the electric brush is installed in an electric brush installation cavity (20) of the electric brush box (2), the baffle part (22) is bent inwards and the conductive connecting part (21) is bent downwards to seal the rear end of the electric brush installation cavity (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021169980.5U CN212726677U (en) | 2020-06-22 | 2020-06-22 | Improved electric brush box mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021169980.5U CN212726677U (en) | 2020-06-22 | 2020-06-22 | Improved electric brush box mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212726677U true CN212726677U (en) | 2021-03-16 |
Family
ID=74961124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021169980.5U Active CN212726677U (en) | 2020-06-22 | 2020-06-22 | Improved electric brush box mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212726677U (en) |
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2020
- 2020-06-22 CN CN202021169980.5U patent/CN212726677U/en active Active
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