CN213906437U - Improved motor rear support and electric brush mounting structure - Google Patents
Improved motor rear support and electric brush mounting structure Download PDFInfo
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- CN213906437U CN213906437U CN202022416507.9U CN202022416507U CN213906437U CN 213906437 U CN213906437 U CN 213906437U CN 202022416507 U CN202022416507 U CN 202022416507U CN 213906437 U CN213906437 U CN 213906437U
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Abstract
The utility model discloses a modified motor after-poppet and brush mounting structure, it includes the panel beating body by steel sheet punching press integrated into one piece, and the panel beating body is including being the circular shape load-bearing panel and four installation pins that form by the centre of a circle axial symmetry extension of load-bearing panel, and the contained angle between two adjacent installation pins is 90 degrees, each the installation pin upwards bends the shaping respectively and has an installation hangers, and each installation hangers is offered and is used for connecting stator core and/or motor fore-stock's first threaded mounting hole, and the cross sectional shape of panel beating body is the cross, and the shaft hole that is used for installing the motor shaft core is offered at the middle part of load-bearing panel, and the position department that load-bearing panel corresponds the shaft hole undercut shaping has a bearing chamber. The utility model discloses be convenient for motor ventilation cooling improves motor operation life, and staggers the setting from top to bottom at motor assembly completion stator enameled wire and brush box for motor overall structure is compacter, is favorable to reducing the whole height of motor.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to a modified motor after-poppet is related to.
Background
The structure of the rear support of the motor of the conventional series excited motor is limited, so that the height of an upper mounting space and a lower mounting space between an electric brush of the motor and a stator assembly is too high, the integral height of the motor is also too high, and the requirement of the size miniaturization of a terminal household appliance product is not met. Secondly, the structure is designed to meet the international safety standard, the distance between the brush box and the rear bracket of the motor is generally at least 3mm, and the overall height of the series excited motor assembled by the brush mounting structure is high, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art existence, the utility model aims at providing a modified motor after-poppet and brush mounting structure, when the motor after-poppet is installed in motor element, each stator enameled wire is located respectively between two adjacent installation pins, the motor ventilation cooling of being convenient for of such structure, improve motor running life, and the brush box is located the top of installation pin after the motor assembly is accomplished, also stagger the setting from top to bottom with the brush box for stator enameled wire makes motor overall structure compacter, be favorable to reducing the motor overall height.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an improved motor rear support comprises a sheet metal body which is integrally formed by stamping a steel sheet, wherein the sheet metal body comprises a circular bearing panel and four mounting pins which are formed by axially and symmetrically extending the circle center of the bearing panel, the four mounting pins are uniformly distributed on the end part of the horizontal central axis or the vertical central axis of the sheet metal body in a pairwise symmetry manner, the included angle between every two adjacent mounting pins is 90 degrees, each mounting pin is respectively bent upwards to form a mounting lug, and each mounting lug is provided with a first threaded mounting hole for connecting a stator core and/or a motor front support;
the cross-sectional shape of panel beating body is the cross, and the middle part of bearing the panel is offered and is used for installing the shaft hole of motor shaft core, and the position department that the bearing the panel corresponds the shaft hole undercut shaping has a bearing chamber.
In a further technical scheme, the edges of one side or two sides of each mounting pin are bent downwards to extend to form reinforcing ribs.
In a further technical scheme, each mounting lug is provided with a positioning bulge.
In a further technical scheme, the bearing panel is provided with a pair of buckling feet for buckling the electric brush mounting plate.
The utility model provides an improved brush mounting structure, including the motor after-poppet, set up brush mounting panel and four at least brush boxes of installing respectively in the brush mounting panel in motor after-poppet top, the inner chamber of brush box inlays and is equipped with the brush, be provided with the insulating part between brush mounting panel and the motor after-poppet, the lower part of brush box has the riveting pin, the riveting pin downwardly extending passes brush mounting panel and rivets to the lower terminal surface of brush mounting panel, the riveting pin is located the top of insulating part, brush mounting panel and motor after-poppet linear distance in the vertical direction is less than or equal to 2.5 mm.
In a further technical scheme, one side or two sides of the electric brush box are obliquely bent downwards to form riveting pins, and the riveting pins are inserted into the male terminals of the wiring terminals.
In a further technical scheme, riveting holes are formed in the positions, corresponding to the mounting pins, of the electric brush mounting plates, and the riveting pins of each electric brush box are riveted with the corresponding riveting holes.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is:
in practical application, when the bracket is installed in a motor assembly behind a motor, each stator enameled wire is respectively positioned between two adjacent installation pins, the structure is convenient for ventilation and heat dissipation of the motor, the service life of the motor is prolonged, the brush box is positioned above the installation pins after the motor is assembled, the stator enameled wires and the brush box are staggered up and down, the overall structure of the motor is more compact, and the overall height of the motor is reduced. Each the installation pin makes progress the shaping of buckling respectively and has an installation hangers, and each installation hangers is offered and is used for connecting the first screw thread mounting hole of stator core and/or motor front truck, and the cross-sectional shape of panel beating body is the cross, and the shaft hole that is used for installing the motor shaft core is offered at the middle part of load-bearing panel, and the position department undercut shaping that load-bearing panel corresponds the shaft hole has a bearing chamber.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
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 3, the utility model provides an improved motor rear bracket, which comprises a sheet metal body 1 integrally formed by steel sheet punching, the sheet metal body 1 comprises a circular bearing panel 10 and four mounting pins 11 formed by axially symmetrically extending the center of a circle of the bearing panel 10, the four mounting pins 11 are symmetrically distributed at the end of the horizontal axis or the vertical axis of the sheet metal body 1, the included angle between two adjacent mounting pins 11 is 90 degrees, in practical application, when the motor rear bracket is mounted in a motor assembly, each stator enameled wire is respectively positioned between two adjacent mounting pins 11, the structure is convenient for ventilation and heat dissipation of the motor, the service life of the motor is prolonged, and the brush box is positioned above the mounting pins 11, namely the stator enameled wire and the brush box are staggered up and down, so that the whole structure of the motor is more compact, the overall height of the motor is reduced. Each installation pin 11 upwards bends the shaping respectively and has an installation hangers 12, and each installation hangers 12 offers the first screw thread mounting hole 120 that is used for connecting stator core and/or motor fore-stock, and the cross-sectional shape of panel beating body 1 is the cross, and bearing panel 10's middle part is offered and is used for installing shaft hole 100 of motor axle core, and bearing panel 10 corresponds the downward sunken shaping in position department in shaft hole 100 and has a bearing chamber 101.
In further technical scheme, each the edge of installation pin 11 one side or both sides is buckled downwards and is extended to form strengthening rib 110, improves the utility model discloses an intensity and stability.
In a specific technical scheme, each mounting lug 12 is provided with a positioning protrusion 121, and after the mounting lug 12 is in positioning fit with a front motor support through the positioning protrusion 121, the mounting lug is in locking fit with the front motor support through a first threaded mounting hole 120, so that the mounting and dismounting are portable.
Preferably, the carrier plate 10 is provided with a pair of fastening feet 102 for fastening the brush mounting plate 2.
In order to meet the requirements of miniaturization of the volume of the terminal household appliance and reduction of the overall height of the series excited machine, the utility model also provides an improved brush installation structure, the motor rear bracket comprises a motor rear bracket, an electric brush mounting plate 2 arranged above the motor rear bracket and at least four electric brush boxes 3 respectively arranged on the electric brush mounting plate 2, wherein an electric brush is embedded in an inner cavity of the electric brush box 3, an insulating part 4 is arranged between the electric brush mounting plate 2 and the motor rear bracket, a riveting pin 30 is arranged at the lower part of the electric brush box 3, the riveting pin 30 extends downwards through the electric brush mounting plate 2 and is riveted to the lower end surface of the electric brush mounting plate 2, thereby reducing the overall height of the brush mounting structure to achieve the purpose of reducing the overall height of the series excited machine, and insulating the brush box and the rear bracket of the machine through the insulating piece, therefore, the safety requirement is met, and specifically, the linear distance between the electric brush mounting plate and the motor rear support in the vertical direction is less than or equal to 2.5 mm.
In a further technical scheme, one side or both sides slant of brush box 3 are bent down to form and are had riveting pin 30, and riveting pin 30 is pegged graft and is had binding post male joint 31, and the binding post is inserted the structure of design to one side and can be so that leave the sufficient space for stator module in the vertical direction, also the stator module of motor can press close to brush mounting structure more for motor overall structure is compacter.
In a further technical scheme, riveting holes are formed in the positions, corresponding to the mounting pins 11, of the brush mounting plates 2, and the riveting pins 30 of each brush box 3 are riveted to the corresponding riveting holes.
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 (7)
1. The utility model provides a modified motor after-poppet which characterized in that: the sheet metal body (1) is integrally formed by stamping a steel sheet, the sheet metal body (1) comprises a circular bearing panel (10) and four mounting pins (11) which are axially and symmetrically extended from the circle center of the bearing panel (10), the four mounting pins (11) are uniformly distributed at the end part of the horizontal central axis or the vertical central axis of the sheet metal body (1) in a pairwise symmetry manner, the included angle between every two adjacent mounting pins (11) is 90 degrees, each mounting pin (11) is respectively bent upwards to form a mounting lug (12), and each mounting lug (12) is provided with a first threaded mounting hole (120) for connecting a stator core and/or a motor front support;
the cross-sectional shape of panel beating body (1) is the cross, and axle hole (100) that are used for installing the motor shaft core are seted up at the middle part of load-bearing panel (10), and the position department undercut shaping that load-bearing panel (10) correspond axle hole (100) has a bearing chamber (101).
2. An improved motor rear bracket as set forth in claim 1, wherein: the edge of one side or two sides of each mounting pin (11) is bent downwards to form a reinforcing rib (110).
3. An improved motor rear bracket as set forth in claim 1, wherein: each mounting hanging lug (12) is provided with a positioning bulge (121) which is used for being matched with the front bracket of the motor in a positioning way.
4. An improved motor rear bracket as set forth in claim 1, wherein: the bearing panel (10) is provided with a pair of buckling feet (102) for buckling the electric brush mounting plate (2).
5. An improved brush mounting structure, characterized in that: the electric brush fixing device comprises a motor rear support, an electric brush mounting plate (2) arranged above the motor rear support and at least four electric brush boxes (3) respectively arranged on the electric brush mounting plate (2), an electric brush is embedded in an inner cavity of the electric brush box (3), an insulating part (4) is arranged between the electric brush mounting plate (2) and the motor rear support, riveting pins (30) are arranged on the lower portion of the electric brush box (3), the riveting pins (30) downwards extend through the electric brush mounting plate (2) and are riveted to the lower end face of the electric brush mounting plate (2), the riveting pins (30) are located above the insulating part (4), and the linear distance between the electric brush mounting plate (2) and the motor rear support is smaller than or equal to 2.5mm in the vertical direction.
6. An improved brush mounting structure as defined in claim 5, wherein: one side or two sides of the electric brush box (3) are obliquely bent downwards to form riveting pins (30), and the riveting pins (30) are inserted into the male terminals (31) of the wiring terminals.
7. An improved brush mounting structure as defined in claim 5, wherein: the electric brush mounting plate (2) is provided with riveting holes corresponding to the mounting pins (11), and the riveting pins (30) of each electric brush box (3) are riveted with the corresponding riveting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416507.9U CN213906437U (en) | 2020-10-27 | 2020-10-27 | Improved motor rear support and electric brush mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416507.9U CN213906437U (en) | 2020-10-27 | 2020-10-27 | Improved motor rear support and electric brush mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213906437U true CN213906437U (en) | 2021-08-06 |
Family
ID=77114961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022416507.9U Active CN213906437U (en) | 2020-10-27 | 2020-10-27 | Improved motor rear support and electric brush mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213906437U (en) |
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2020
- 2020-10-27 CN CN202022416507.9U patent/CN213906437U/en active Active
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