CN215009852U - Motor brush holder assembly - Google Patents
Motor brush holder assembly Download PDFInfo
- Publication number
- CN215009852U CN215009852U CN202120677148.4U CN202120677148U CN215009852U CN 215009852 U CN215009852 U CN 215009852U CN 202120677148 U CN202120677148 U CN 202120677148U CN 215009852 U CN215009852 U CN 215009852U
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- inductor
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- brush holder
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- root
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Abstract
The utility model provides a motor brush holder component, which comprises a base, an inductor, a brush holder and a power connection piece; the base is provided with a first end face and a second end face; the inductor is assembled on the first end surface of the base and avoids the position of the central area of the first end surface; the electric connecting piece is embedded in the position, close to the edge, of the base, a first inductor connecting end extends out of the electric connecting piece towards the inductor direction on the first end face of the base, and an electric connecting end extends out of the electric connecting piece on the second end face of the base; a clamping notch is formed in the first inductance connecting end of the power connection piece; the brush holder comprises a holder root and a brush arm; the holding root is embedded and arranged at a position close to the edge of the base; on the first end face of the base, a holding root extends out of a second inductor connecting end towards the inductor direction; the two ends of the inductor are respectively clamped in the clamping notch on the first inductor connecting end of the power connection piece and the clamping notch on the second inductor connecting end of the brush holder. The utility model discloses can avoid the tin dross to lead to motor trouble, guarantee the reliable quality of motor.
Description
Technical Field
The utility model relates to a direct current motor's subassembly, especially a motor brush holder subassembly.
Background
The automobile industry is increasingly developing, and the market demand of automobile motors is becoming more and more great. Automotive motors are also increasingly demanding in terms of quality.
The inductance element built in the existing automobile motor adopts a tin soldering mode when being connected with a brush holder and an electric connecting piece; one end of the inductor is directly connected with the root of the brush holder through tin soldering, and the other end of the inductor is directly connected with the electric connecting piece body through tin soldering; not only production efficiency is low, and the tin dross that soldering tin produced is difficult to the clean up moreover, and the motor has short circuit and the dead risk of card.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a motor brush holds subassembly can avoid the tin dross to lead to motor trouble, has guaranteed that the quality of motor is reliable. For realizing the above technical purpose, the utility model discloses a technical scheme is:
the embodiment of the utility model provides a motor brush holder assembly, which comprises a base, an inductor, a brush holder and a power connection piece;
the base is provided with a first end face and a second end face;
the inductor is assembled on the first end surface of the base and avoids the position of the central area of the first end surface;
the electric connecting piece is embedded in the position, close to the edge, of the base, a first inductor connecting end extends out of the electric connecting piece towards the inductor direction on the first end face of the base, and an electric connecting end extends out of the electric connecting piece on the second end face of the base; a clamping notch is formed in the first inductance connecting end of the power connection piece;
the brush holder comprises a holder root and a brush arm; the holding root is embedded and arranged at a position close to the edge of the base; on the first end face of the base, a holding root extends out of a second inductor connecting end towards the inductor direction;
the two ends of the inductor are respectively clamped in the clamping notch on the first inductor connecting end of the power connection piece and the clamping notch on the second inductor connecting end of the brush holder.
Furthermore, the two ends of the inductor are respectively welded with the clamping groove opening on the first inductor connecting end of the power connection piece and the clamping groove opening on the second inductor connecting end of the brush holder.
Further, the inductor is installed in an inductor slot arranged on the first end face of the base.
Further, the inductor is arranged in parallel with the first end face of the base.
Furthermore, the direction that the power connection piece deviates from the inductor also extends out of the PCB connecting end.
Further, the root of first inductance link and the root of second inductance link are equipped with weld forming circular arc breach respectively.
Furthermore, the brush arm and the holding root are integrally constructed or connected with the holding root, and the brush arm has elasticity and extends towards the middle of the first end surface of the base; a carbon brush is fixed to an end of the brush arm.
The utility model has the advantages that:
1) the risk of tin dross falling is avoided, and the quality of the motor is reliable.
2) Can be automatically produced, and improves the production efficiency.
3) And a soldering tin line is omitted, and the material cost is saved.
Drawings
Fig. 1 is a schematic end view of a brush holder assembly of an embodiment of the present invention.
Fig. 2 is a schematic view of the front holding base of the brush holder according to the embodiment of the present invention.
Fig. 3 is a schematic side view of a holder base of a brush holder according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of an electric connecting piece in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a motor brush holder assembly, which includes a base 1, an inductor 2, a brush holder 3, an electric connection piece 4, and a carbon brush 5;
in this embodiment, the motor brush holder assembly includes two inductors 2, two brush holders 3, two electric connecting pieces 4, and two carbon brushes 5, which are divided into two groups, and each group includes one inductor 2, one brush holder 3, one electric connecting piece 4, and one carbon brush 5 to form one positive electrode or one negative electrode power supply branch; the inductor can filter high-frequency stray signals generated when the motor operates, and prevent the high-frequency stray signals from being connected into an external power supply line in series to interfere other equipment;
the base 1 is substantially circular and has a first end face and a second end face, the first end face of the base 1 being shown in fig. 1; the second end surface can be connected with a power supply circuit; a first end face of which is arranged to be opposed to an armature of the motor when the motor is assembled;
the inductor 2 is arranged at a position of the first end surface of the base 1 avoiding the central area; preferably, the inductor 2 can be installed in an inductor slot arranged on the first end face of the base 1 to limit and fix the inductor 2; the inductor 2 is preferably parallel to the first end face of the base 1;
the electric connecting piece 4 is embedded in the position, close to the edge, of the base 1, the first inductor connecting end 401 extends out of the electric connecting piece 4 towards the inductor 2 on the first end face of the base 1, and the electric connecting end 402 extends out of the electric connecting piece 4 on the second end face of the base 1; the first inductor connecting end 401 is used for connecting an inductor 2, and the electric connecting end 402 is used for connecting a power supply line; wherein, the first inductance connecting end 401 of the electric connecting piece 4 is provided with a card notch a 1; the root of the first inductor connecting end 401 is also provided with a welding arc notch a 2; on the first end face of the base 1, a PCB connecting end 403 extends from the direction of the electric connecting piece 4 departing from the inductor 2 so as to be used for connecting a PCB, and the PCB can be provided with a capacitor matched with the inductor 2 to jointly form a filter circuit so as to enhance the filtering capability of high-frequency stray signals;
the brush holder 3 comprises a holder base 301 and a brush arm 302; the holding root 301 is embedded and installed at a position close to the edge of the base 1; on the first end surface of the base 1, the grip root 301 extends out of a second inductor connection terminal 3011 towards the inductor 2; the second inductor connection terminal 3011 is used to connect the inductor 2; a clamping notch a1 is arranged on the second inductance connecting end 3011 of the brush holder 3, and a welding-formed arc notch a2 is also arranged at the root of the second inductance connecting end 3011;
the two ends of the inductor 2 are respectively clamped in the clamping notch a1 on the first inductor connecting end 401 of the electric connecting piece 4 and the clamping notch a1 on the second inductor connecting end 3011 of the brush holder 3; the electric connection piece 4 and the brush holder 3 are both made of copper, and when resistance welding is carried out, the copper pieces on two sides of the notch a1 are clamped by a chuck of resistance welding equipment, and the copper pieces are subjected to discharge welding; the welding forming arc notch a2 has a certain correlation effect on the welding effect of resistance welding;
the brush arm 302 is integrally constructed with the holding root 301 or connected with the holding root 301, and the brush arm 302 has elasticity and extends towards the middle of the first end surface of the base 1; a carbon brush 5 is fixed to an end of the brush arm 302; the carbon brushes 5 on the two brush arms 302 are arranged oppositely, and when the motor is assembled, the carbon brushes 5 on the two brush arms 302 are contacted with a commutator on a rotor rotating shaft;
in the prior art, the connection piece is not provided with a first inductance connection end 401 extending out, the brush holder is not provided with a second inductance connection end 3011 extending out, the wire ends at two ends of the inductance are connected with the connection piece body and the root of the brush holder through tin soldering, so that tin slag is easy to generate and difficult to clean, and internal short circuit or motor blocking of the motor can be caused;
in the application, the first inductance connecting end 401 extends from the connection piece, the second inductance connecting end 3011 extends from the holder of the brush holder 3, and the notch for resistance welding connection is formed, so that resistance welding can be realized, and the phenomenon of tin slag generated by tin soldering is avoided.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. A motor brush holder assembly is characterized by comprising a base (1), an inductor (2), a brush holder (3) and an electric connecting piece (4);
the base (1) has a first end face and a second end face;
the inductor (2) is assembled at the position where the first end surface of the base (1) avoids the central area of the base;
the electric connection piece (4) is embedded in the position, close to the edge, of the base (1), the first inductance connection end (401) extends out of the electric connection piece (4) towards the direction of the inductor (2) on the first end face of the base (1), and the electric connection end (402) extends out of the electric connection piece (4) on the second end face of the base (1); a clamping notch (a1) is arranged on the first inductance connecting end (401) of the power connection piece (4);
the brush holder (3) comprises a holder root (301) and a brush arm (302); the holding root (301) is embedded and installed at the position, close to the edge, of the base (1); on the first end face of the base (1), a holding root (301) extends out of a second inductor connecting end (3011) towards the inductor (2);
two end wire heads of the inductor (2) are respectively clamped in a clamping notch (a1) on the first inductor connecting end (401) of the electric connection piece (4) and a clamping notch (a1) on the second inductor connecting end (3011) of the brush holder (3).
2. An electric motor brush holder assembly according to claim 1,
two end terminals of the inductor (2) are respectively welded with a card slot (a1) on the first inductor connecting end (401) of the electric connecting piece (4) and a card slot (a1) on the second inductor connecting end (3011) of the brush holder (3).
3. An electric motor brush holder assembly according to claim 1,
the inductor (2) is arranged in an inductor groove arranged on the first end face of the base (1).
4. An electric motor brush holder assembly according to claim 1,
the inductor (2) is arranged in parallel with the first end face of the base (1).
5. An electric motor brush holder assembly according to claim 1,
the direction of the electric connecting piece (4) departing from the inductor (2) is extended with a PCB connecting end (403).
6. An electric motor brush holder assembly according to claim 1,
the root of the first inductance connecting end (401) and the root of the second inductance connecting end (3011) are respectively provided with a welding arc notch (a 2).
7. An electric motor brush holder assembly according to claim 1,
the brush arm (302) and the holding root (301) are integrally constructed or connected with the holding root (301), and the brush arm (302) has elasticity and extends towards the middle of the first end surface of the base (1); a carbon brush (5) is fixed to an end of the brush arm (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120677148.4U CN215009852U (en) | 2021-04-02 | 2021-04-02 | Motor brush holder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120677148.4U CN215009852U (en) | 2021-04-02 | 2021-04-02 | Motor brush holder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215009852U true CN215009852U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120677148.4U Active CN215009852U (en) | 2021-04-02 | 2021-04-02 | Motor brush holder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215009852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389118A (en) * | 2021-12-17 | 2022-04-22 | 浙江鸿音机电科技有限公司 | Motor carbon brush holder |
-
2021
- 2021-04-02 CN CN202120677148.4U patent/CN215009852U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389118A (en) * | 2021-12-17 | 2022-04-22 | 浙江鸿音机电科技有限公司 | Motor carbon brush holder |
| CN114389118B (en) * | 2021-12-17 | 2023-10-24 | 浙江鸿音机电科技有限公司 | Motor carbon brush holder |
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