CN217720905U - There is brush motor with satisfying high EMC's medium plate subassembly - Google Patents
There is brush motor with satisfying high EMC's medium plate subassembly Download PDFInfo
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- CN217720905U CN217720905U CN202221616457.1U CN202221616457U CN217720905U CN 217720905 U CN217720905 U CN 217720905U CN 202221616457 U CN202221616457 U CN 202221616457U CN 217720905 U CN217720905 U CN 217720905U
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Abstract
The utility model discloses a there is brush motor with satisfying high EMC's medium plate subassembly, including the body medium plate, the torsional spring of two symmetric distributions is installed in the front of body medium plate, two symmetric distributions's carbon brush, two symmetric distributions inductances, two symmetric distribution's connecting terminal and circuit board, back mounted has positive terminal, negative terminal and connection piece, all be provided with a connecting terminal in one side of every carbon brush, and the brush whip welding of every carbon brush is on being close to its connecting terminal of one side, all be provided with an inductance in one side of every connecting terminal simultaneously, the wherein one end welding of inductance is on being close to the connecting terminal of its one side, the both ends of connection piece penetrate openly from the back of body medium plate and wear out, negative terminal is connected to the wherein one end of connection piece, other end connection lines board. The utility model discloses realize inside a plurality of electronic components of cross-over connection, and convenient operation, the manufacturability is reliable, realizes that car motor and intelligent household electrical appliances motor require to the EMC grade of difference simultaneously.
Description
Technical Field
The utility model relates to a direct current has brushes technical field, concretely relates to has to brush motor and uses medium plate subassembly that satisfies high EMC.
Background
The existing miniature direct current motor generally has no electronic components or only a small number of electronic components, and has poor electromagnetic compatibility. However, with the rapid development of electronic technology and the popularization and application of various intelligent electrical appliances, the requirement on the electromagnetic compatibility of the motor is higher and higher, so that the design of the micro motor at present is difficult to meet the higher requirement of the electromagnetic compatibility and meet the requirement of customers on structure. Therefore, it is highly desirable to design a novel middle plate assembly, which can satisfy both the requirement of high EMC (cispr 25 grade and above) for micro dc brush motors and the requirement of customer structure.
Disclosure of Invention
An object of the utility model is to provide a brush motor is with medium plate subassembly that satisfies high EMC overcomes current micro motor and hardly had both satisfied electromagnetic compatibility's higher requirement, will satisfy the structural problem that accords with the customer requirement again.
In order to realize the above problem, the utility model discloses the technical scheme who takes is: the utility model provides a there is brush motor with satisfying high EMC's medium plate subassembly, includes the body medium plate, the torsional spring of two symmetric distributions is installed in the front of body medium plate, two symmetric distributions's carbon brush, two symmetric distribution inductances, two symmetric distribution's connecting terminal and a circuit board, the back mounted of body medium plate has positive terminal, negative terminal and connection piece, the carbon brush symmetry is installed in the central through-hole both sides of body medium plate, all is provided with a connecting terminal in one side of every carbon brush, and the brush whip welding of every carbon brush is on being close to its connecting terminal of one side, all is provided with an inductance in one side of every connecting terminal simultaneously, and the wherein one end welding of inductance is on being close to its connecting terminal of one side, the both ends of connection piece penetrate openly from the back of body medium plate and wear out, negative terminal is connected to wherein one end of connection piece, other end connecting wire way board.
The carbon brushes are arranged in the carbon brush boxes, one side of each carbon brush is provided with a torsion spring mounting column, and the torsion springs are sleeved on the torsion spring mounting columns.
The torsion spring mounting column is located on the opposite side of the connecting terminal, and a limiting groove used for limiting the rotation of the torsion spring is formed in the torsion spring mounting column.
In the two inductors, one inductor is positioned on the positive terminal side, one end of the inductor is connected with the positive terminal, the other end of the inductor is connected with the connecting terminal positioned on the same side with the positive terminal, the other inductor is positioned on the negative terminal side, one end of the inductor is connected with the negative terminal, and the other end of the inductor is connected with the connecting terminal positioned on the same side with the negative terminal.
The circuit board is located the one side that is close to positive terminal, leaves positive pole hole, negative pole hole and earth connection on the circuit board, and wherein the connector of positive terminal is connected to positive pole hole connection, and the connector of connection piece is connected to the negative pole hole connection.
Anodal terminal and the symmetrical crimping of negative pole terminal just are close to the edge in the both sides of body medium plate, and the one end of anodal terminal and negative pole terminal is located the body medium plate back and is used for connecting the power, and the other end passes the body medium plate and is used for connecting circuit board, connection piece or inductance.
The connecting piece is of a multi-section bending structure, and two ends of the connecting piece are respectively provided with a connecting claw and a connector.
The connecting terminals are riveted on the middle plate of the body respectively.
The utility model has the advantages that: this medium plate subassembly has satisfied the requirement that compact structure and high EMC, has still satisfied the form connection power with positive negative pole terminal simultaneously, realizes inside a plurality of electronic components of can bridging, and convenient operation, and the manufacturability is reliable, realizes the EMC grade requirement of automobile motor and intelligent household electrical appliances motor to the difference simultaneously.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a front perspective view of the present invention;
fig. 2 is a back perspective view of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a rear view of the present invention;
fig. 5 is a side view of the present invention;
FIG. 6 is a view showing the structure of the connecting sheet of the present invention;
fig. 7 is a structure view of the positive and negative terminals of the present invention.
Labeled in the figure as: 1. the connecting piece comprises a body middle plate, 2 parts of a connecting piece, 2-1 parts of a connecting piece connector, 2-2 parts of a connecting piece connecting claw, 3-1 parts of a positive terminal, 3-1-1 parts of a positive terminal connector, 3-2 parts of a negative terminal; 4. torsional spring, 5, carbon brush, 6, circuit board, 7, inductance, 8, connecting terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 to 7, a middle plate assembly satisfying high EMC for a brushed motor includes a body middle plate 1, two torsion springs 4 symmetrically distributed on the front surface of the body middle plate 1, two carbon brushes 5 symmetrically distributed, two inductors 7 symmetrically distributed, two connection terminals 8 symmetrically distributed and a circuit board 6, a positive terminal 3-1, a negative terminal 3-2 and a connection sheet 2 are installed on the back surface of the body middle plate 1, the carbon brushes 5 are symmetrically installed on both sides of a central through hole of the body middle plate 1, one connection terminal 8 is installed on one side of each carbon brush 5, a brush whip of each carbon brush 5 is welded on the connection terminal 8 near one side of the brush whip, one inductor 7 is installed on one side of each connection terminal 8, one of the two inductors 7 is located on the positive terminal side, one end of the two inductors is connected with the positive terminal 3-1, the other end is connected with the connection terminal 8 located on the same side as the positive terminal, the other inductor is located on the negative terminal side, and one end of the inductor is connected with the negative terminal 3-2, the other end is connected with the connection terminal 8 located on the same side as the connection terminal. The positive terminal 3-1 and the negative terminal 3-2 are symmetrically crimped at two sides of the body middle plate 1 and close to the edges, one end of the positive terminal 3-1 and one end of the negative terminal 3-2 are located at the back of the body middle plate 1 and used for connecting a power supply, and the other end of the positive terminal 3-1 and the other end of the negative terminal penetrate through the body middle plate 1 and are used for connecting a circuit board, a connecting sheet or an inductor.
In this embodiment, the both ends of connection piece 2 penetrate the front from the back of body medium plate 1 and wear out, and the negative terminal is connected to the connection claw of connection piece 2, and connection circuit board 6 is connected to the connector of connection piece 2, realizes the cross-over connection.
In this embodiment, the carbon brushes 5 are installed in the carbon brush box, one side of each carbon brush 5 is provided with a torsion spring installation column, and the torsion spring is sleeved on the torsion spring installation column. The torsion spring mounting column is located on the opposite side of the connecting terminal, and a limiting groove used for limiting the rotation of the torsion spring is formed in the torsion spring mounting column.
In this embodiment, the circuit board 6 is located at a side close to the positive terminal 3-1, and the circuit board 6 is provided with a positive hole, a negative hole and a ground wire, wherein the positive hole is connected with the connector 3-1-1 of the positive terminal, and the negative hole is connected with the connector of the connecting sheet.
In this embodiment, the connecting piece 2 is a multi-section bending structure, and two ends of the connecting piece are respectively provided with a connecting claw 2-2 and a connector 2-1.
To sum up, the utility model discloses a medium plate subassembly compact structure satisfies high EMC's requirement, has still satisfied the form connection power with positive negative pole terminal simultaneously, but has solved inside a plurality of electronic components of cross-over connection, and convenient operation, and the manufacturability is reliable, realizes the EMC grade requirement of car motor and intelligent household electrical appliances motor to the difference simultaneously.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (8)
1. The utility model provides a there is brush motor with satisfying high EMC's medium plate subassembly, includes the body medium plate, its characterized in that, the torsional spring of two symmetric distributions is installed in the front of body medium plate, two symmetric distributions's carbon brush, two symmetric distribution inductances, two symmetric distribution's connecting terminal and a circuit board, the back mounted of body medium plate has anodal terminal, negative terminal and connection piece, the central through-hole both sides at the body medium plate are installed to the carbon brush symmetry, all are provided with a connecting terminal in one side of every carbon brush, and the brush whip welding of every carbon brush all is provided with an inductance in one side of every connecting terminal simultaneously on being close to its one side's connecting terminal, and wherein one end welding of inductance is on being close to its one side connecting terminal, the both ends of connection piece penetrate openly from the back of body medium plate and wear out, and negative terminal is connected to wherein one end of connection piece, other end connection circuit board.
2. The middle plate assembly meeting the high EMC for the brushed motor as claimed in claim 1, wherein the carbon brushes are installed in a carbon brush box, one torsion spring mounting post is provided at one side of each carbon brush, and the torsion springs are sleeved on the torsion spring mounting posts.
3. The middle plate assembly meeting the high EMC for the brushed motor as claimed in claim 2, wherein the torsion spring mounting posts are located at opposite sides of the connection terminal, and limiting grooves for limiting the rotation of the torsion spring are provided on the torsion spring mounting posts.
4. The middle plate assembly satisfying high EMC for a brushed motor as claimed in claim 1, wherein one of the two inductors is located at the positive terminal side, and one of the inductors is connected to the positive terminal and the other to the connection terminal located at the same side, and the other inductor is located at the negative terminal side, and one of the inductors is connected to the negative terminal and the other to the connection terminal located at the same side.
5. The middle plate assembly meeting the high EMC for the brushed motor as claimed in claim 1, wherein the circuit board is located at one side close to the positive terminal, and a positive hole, a negative hole and a ground wire are left on the circuit board, wherein the positive hole is connected with the connector of the positive terminal, and the negative hole is connected with the connector of the connecting plate.
6. The middle plate assembly meeting the high EMC for the brushed motor as claimed in claim 1, wherein the positive terminal and the negative terminal are symmetrically crimped at two sides of the body middle plate near the edges, one end of the positive terminal and the negative terminal is located at the back of the body middle plate for connecting a power supply, and the other end penetrates through the body middle plate for connecting a circuit board, a connecting sheet or an inductor.
7. The middle plate assembly meeting the high EMC for the brushed motor as claimed in claim 1, wherein the connecting plate is a multi-segment bent structure, and the two ends of the connecting plate are respectively provided with a connecting claw and a connecting head.
8. The midplane assembly of claim 1, wherein the connection terminals are riveted to the body midplane respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616457.1U CN217720905U (en) | 2022-06-27 | 2022-06-27 | There is brush motor with satisfying high EMC's medium plate subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616457.1U CN217720905U (en) | 2022-06-27 | 2022-06-27 | There is brush motor with satisfying high EMC's medium plate subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217720905U true CN217720905U (en) | 2022-11-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221616457.1U Active CN217720905U (en) | 2022-06-27 | 2022-06-27 | There is brush motor with satisfying high EMC's medium plate subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217720905U (en) |
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2022
- 2022-06-27 CN CN202221616457.1U patent/CN217720905U/en active Active
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