CN212909269U - Novel rear cover structure of micromotor - Google Patents
Novel rear cover structure of micromotor Download PDFInfo
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- CN212909269U CN212909269U CN202021827937.3U CN202021827937U CN212909269U CN 212909269 U CN212909269 U CN 212909269U CN 202021827937 U CN202021827937 U CN 202021827937U CN 212909269 U CN212909269 U CN 212909269U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 56
- 239000003990 capacitor Substances 0.000 claims abstract description 41
- 238000013016 damping Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a novel back lid structure of micromotor, including back lid body, positive terminal, negative terminal, first electric capacity, second electric capacity, third electric capacity, first carbon brush spare and second carbon brush spare, first carbon brush spare is connected with positive terminal, and second carbon brush spare is connected with negative terminal, and first electric capacity both sides are equipped with first pin respectively, and one of them first pin is connected with positive terminal, and another first pin is connected with negative terminal, and second electric capacity is connected with positive terminal, and third electric capacity is connected with negative terminal. The utility model arranges the first capacitor, the second capacitor and the third capacitor on the back cover body, so that the electromagnetic interference generated by the micro motor rotor in the operation process can be filtered by the plurality of capacitors, thereby improving the anti-electromagnetic interference capability of the micro motor; first carbon brush spare, second carbon brush spare are installed through the mode of location connection with positive terminal, negative terminal respectively, and convenient assembling, fixed firm can effectively improve micromotor's assembly production efficiency.
Description
Technical Field
The utility model relates to a micromotor field especially relates to a novel back lid structure of micromotor.
Background
Micro-motors, collectively referred to as "micro-motors," are commonly used in control systems or transmission mechanical loads to perform functions such as detection, analytical operation, amplification, execution, or conversion of electromechanical signals or energy.
In the prior art, a brushed micro-motor is a commonly used micro-motor type in the market, the brushed micro-motor can generate electromagnetic interference in the rotation process, the traditional solution is that the motor is externally connected with an EMC circuit, and the EMC circuit is far away from an armature of a rotor, so that the anti-electromagnetic effect of the EMC circuit is reduced; in addition, the carbon brush holder in the rear cover of the micromotor on the market is generally connected with the terminals of the positive electrode and the negative electrode in a welding mode, so that the manufacturing process of the micromotor becomes complicated, the whole assembly of the micromotor is not facilitated, a large amount of labor cost is wasted, and the production efficiency of enterprises is reduced.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the rear cover structure of the novel micromotor is simple in structure, convenient to assemble and capable of resisting electromagnetic interference.
The technical scheme of the utility model as follows: a novel rear cover structure of a micro motor comprises a rear cover body, a positive terminal, a negative terminal, a first capacitor, a second capacitor, a third capacitor, a first carbon brush piece and a second carbon brush piece, wherein a shaft hole is formed in the middle of the rear cover body, a positive socket is arranged on the left side of the rear cover body, a negative socket is arranged on the right side of the rear cover body, the positive terminal is arranged in the positive socket, the negative terminal is arranged in the negative socket, the first carbon brush piece is connected with the positive terminal, the second carbon brush piece is connected with the negative terminal, and the first carbon brush piece and the second carbon brush piece are respectively positioned on two sides of the shaft hole;
the rear cover comprises a rear cover body and is characterized in that a first limiting seat is arranged on the front side of the rear cover body, a first capacitor is arranged in the first limiting seat, first pins are arranged on two sides of the first capacitor respectively, one of the first pins is connected with an anode terminal, the other of the first pins is connected with a cathode terminal, a second limiting seat is arranged on the rear side of the rear cover body, a second capacitor and a third capacitor are arranged on two sides of the second limiting seat respectively, second pins are arranged on two sides of the second capacitor respectively, one of the second pins is connected with the anode terminal, the other of the second pins is abutted against the side wall of the rear cover body, third pins are arranged on two sides of the third capacitor respectively, one of the third pins is connected with the cathode terminal, and the other of the third pins is abutted against the side wall of the rear cover body.
According to the technical scheme, in the novel rear cover structure of the micro motor, the upper right side of the positive socket is provided with the third limiting seat, the upper left side of the negative socket is provided with the fourth limiting seat, the first carbon brush piece is arranged between the third limiting seat and the positive socket, and the second carbon brush piece is arranged between the fourth limiting seat and the negative socket.
By adopting the technical scheme, through slots are respectively arranged in the positive electrode socket and the negative electrode socket in the rear cover structure of the novel micromotor.
Adopt above-mentioned each technical scheme, novel back lid structure of micromotor in, the positive terminal is T font structure, the vertical portion of positive terminal runs through the slot in anodal socket, the bottom of the vertical portion of positive terminal is equipped with the wiring hole of being convenient for with the positive wire connection of external power supply, the both sides of the vertical portion of positive terminal are equipped with the lug structure of being connected with the slot buckle respectively, the left side of positive terminal horizontal part is equipped with the first Y type groove of being connected with first pin, the right side of positive terminal horizontal part is equipped with the second Y type groove of being connected with the second pin.
By adopting the technical scheme, in the novel rear cover structure of the micro motor, the second Y-shaped groove extends downwards to form a connecting plate, and the connecting plate is embedded between the positive socket and the third limiting seat.
By adopting the technical scheme, in the novel rear cover structure of the micro motor, the first carbon brush piece comprises a carbon brush and a damping elastic piece, one end of the damping elastic piece is connected with the carbon brush, the other end of the damping elastic piece is provided with a plurality of positioning holes, the connecting plate is provided with a plurality of positioning columns, and the positioning columns are respectively connected with the positioning holes in a one-to-one correspondence manner.
By adopting the technical scheme, in the novel rear cover structure of the micro motor, the side wall of the third limiting seat is provided with a plurality of positioning chutes, and the positioning columns are embedded in the positioning chutes.
By adopting the technical scheme, in the novel rear cover structure of the micro motor, the structure of the second carbon brush piece is the same as that of the first carbon brush piece.
By adopting the technical scheme, in the rear cover structure of the novel micromotor, the structure of the negative terminal is the same as that of the positive terminal.
By adopting the technical scheme, in the novel rear cover structure of the micro motor, two arc-shaped grooves are formed in the rear side wall surface of the rear cover body.
By adopting the technical scheme, the utility model discloses a set up first electric capacity, second electric capacity and third electric capacity on the back lid body, first electric capacity is connected with positive terminal, negative terminal respectively through first pin, and second electric capacity, third electric capacity are connected with positive terminal, negative terminal respectively, so set up, make the electromagnetic interference that micromotor rotor produced in the operation process can be filtered by a plurality of electric capacities to improve the anti-electromagnetic interference ability of micromotor; the first carbon brush piece and the second carbon brush piece are respectively installed with the positive terminal and the negative terminal in a positioning connection mode, so that the assembly is convenient, the fixation is firm, and the assembly production efficiency of the micromotor can be effectively improved; the electromagnetic interference that the micromotor received can effectively be reduced to overall structure simple, reasonable in design, convenient assembling, can use widely.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic bottom structure of the present invention;
FIG. 3 is a schematic structural view of the rear cover body of the present invention;
FIG. 4 is a schematic view of the connection structure of the components of the present invention;
fig. 5 is a schematic diagram of the positive terminal structure of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 3, a novel rear cover structure of a micro-motor includes a rear cover body 1, a positive terminal 2, a negative terminal 3, a first capacitor 4, a second capacitor 5, a third capacitor 6, a first carbon brush 7 and a second carbon brush 8, wherein a shaft hole 10 is formed in the middle of the rear cover body 1, a positive socket 11 is arranged on the left side of the rear cover body 1, a negative socket 12 is arranged on the right side of the rear cover body 1, the positive terminal 2 is arranged in the positive socket 11, the negative terminal 3 is arranged in the negative socket 12, the first carbon brush 7 is connected with the positive terminal 2, the second carbon brush 8 is connected with the negative terminal 3, and the first carbon brush 7 and the second carbon brush 8 are respectively located on two sides of the shaft hole 10. In this embodiment, the positive terminal 2 may be connected to a positive line of an external power source, the negative terminal 3 may be connected to a negative line of the external power source, the first carbon brush 7 and the second carbon brush 8 disposed at two sides of the shaft hole 10 may be in sliding contact with a surface of an external commutator, and the shaft hole 10 may be equipped with a ball bearing for facilitating connection with the external commutator to reduce a rotational friction force of the rotor of the micro-motor.
As shown in fig. 1, a first position-limiting seat 13 is disposed on the front side of the rear cover body 1, the first capacitor 4 is disposed in the first position-limiting seat 13, first pins 41 are respectively disposed on two sides of the first capacitor 4, one of the first pins 41 is connected to the positive terminal 2, the other first pin 41 is connected to the negative terminal 3, a second limit seat 14 is arranged at the rear side of the rear cover body 1, the second capacitor 5 and the third capacitor 6 are respectively arranged at two sides of the second limit seat 14, second pins 51 are respectively arranged at two sides of the second capacitor 5, one of the second pins 51 is connected with the positive terminal 2, the other second pin 51 is abutted with the side wall of the rear cover body 1, third pins 61 are respectively arranged at two sides of the third capacitor 6, one of the third pins 61 is connected to the negative terminal 3, and the other third pin 61 abuts against the side wall of the rear cover body 1. In this embodiment, the first and second limiting seats 13 and 14 are configured to limit the displacement of the first capacitor 4, the second capacitor 5, and the third capacitor 6, thereby improving the installation stability of each capacitor. The first capacitor 4 is respectively connected with the positive terminal 2 and the negative terminal 3 through the first pin 41, and the second capacitor 5 and the third capacitor 6 are respectively connected with the positive terminal 2 and the negative terminal 3, so that the electromagnetic interference generated by the micro-motor rotor in the operation process can be filtered by the capacitors, and the anti-electromagnetic interference capability of the micro-motor is improved.
As shown in fig. 1 and 3, a third limiting seat 15 is disposed on the upper right side of the positive socket 11, a fourth limiting seat 16 is disposed on the upper left side of the negative socket 12, the first carbon brush 7 is disposed between the third limiting seat 15 and the positive socket 11, and the second carbon brush 8 is disposed between the fourth limiting seat 16 and the negative socket 12. In this embodiment, the first carbon brush 7 is sandwiched between the positive socket 11 and the third limiting seat 15, and the second carbon brush 7 is sandwiched between the negative socket 12 and the fourth limiting seat 16, so that the mounting stability of the first carbon brush 7 and the second carbon brush 8 can be improved.
As shown in fig. 3, the positive socket 11 and the negative socket 12 are respectively provided with a through slot 110.
As shown in fig. 2, 4 and 5, the positive terminal 2 is of a T-shaped structure, the vertical portion 21 of the positive terminal 2 penetrates through the slot 110 in the positive socket 11, the bottom end of the vertical portion 21 of the positive terminal 2 is provided with a wiring hole 210 convenient for being connected with a positive line of an external power supply, two sides of the vertical portion 21 of the positive terminal 2 are respectively provided with a bump structure 211 connected with the slot 110 in a snap-fit manner, the left side of the horizontal portion 22 of the positive terminal 2 is provided with a first Y-shaped groove 221 connected with the first pin 41, and the right side of the horizontal portion 22 of the positive terminal 2 is provided with a second Y-shaped groove 222 connected with the second pin 51. In this embodiment, the wiring hole 210 may be connected to an external power line, and the bump structure 211 may be connected to the slot 110 by a snap fit, which is convenient for installation and improves the installation stability of the positive terminal 2. The first pins 41 of the first capacitor 4 can be clamped and embedded in the first Y-shaped grooves 221 to realize electrical connection, and the second pins 51 of the second capacitor 5 can be clamped and embedded in the second Y-shaped grooves 222 to realize electrical connection, so that the connection mode is simple and convenient, and the assembly efficiency is high.
As shown in fig. 5, further, a connecting plate 23 extends downward from the second Y-shaped groove 222, and the connecting plate 23 is embedded between the positive socket 11 and the third limiting seat 15.
As shown in fig. 1 and 4, the first carbon brush 7 further includes a carbon brush 71 and a damping elastic sheet 72, one end of the damping elastic sheet 72 is connected to the carbon brush 71, the other end of the damping elastic sheet 72 is provided with a plurality of positioning holes (not shown), the connecting plate 23 is provided with a plurality of positioning posts 231, and the positioning posts 231 are respectively connected to the positioning holes in a one-to-one correspondence manner. In this embodiment, the damping elastic piece 72 is arranged to make the carbon brush 71 obtain a certain elastic force, so that the carbon brush 71 is always in sliding contact with the commutator. The damping elastic piece 72 is connected with the positioning column 231 on the connecting plate 23 through the positioning hole, so that the assembly efficiency between the positive terminal 2 and the first carbon brush 7 can be improved, and the installation is convenient.
As shown in fig. 3, further, a plurality of positioning sliding grooves 150 are disposed on the side wall of the third limiting seat 15, and the positioning posts 231 are embedded in the positioning sliding grooves 150. In this embodiment, the positioning slide groove 150 can improve the mounting stability of the positive electrode terminal 2, and prevent the positive electrode terminal 2 from moving laterally on the rear cover body 1.
Further, the second carbon brush 8 has the same structure as the first carbon brush 7.
Further, the structure of the negative electrode terminal 3 is the same as that of the positive electrode terminal 2.
As shown in fig. 2, further, two arc-shaped grooves 17 are provided on the rear side wall surface of the rear cover body 1. In this embodiment, the second lead 51 and the third lead 61 abutting against the sidewall of the rear cover body 1 can be hidden in the arc-shaped groove 17, so as to prevent the second lead 51 and the third lead 61 from being exposed and broken.
By adopting the technical scheme, the utility model discloses a set up first electric capacity, second electric capacity and third electric capacity on the back lid body, first electric capacity is connected with positive terminal, negative terminal respectively through first pin, and second electric capacity, third electric capacity are connected with positive terminal, negative terminal respectively, so set up, make the electromagnetic interference that micromotor rotor produced in the operation process can be filtered by a plurality of electric capacities to improve the anti-electromagnetic interference ability of micromotor; the first carbon brush piece and the second carbon brush piece are respectively installed with the positive terminal and the negative terminal in a positioning connection mode, so that the assembly is convenient, the fixation is firm, and the assembly production efficiency of the micromotor can be effectively improved; the electromagnetic interference that the micromotor received can effectively be reduced to overall structure simple, reasonable in design, convenient assembling, can use widely.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a novel back lid structure of micromotor which characterized in that: the carbon brush comprises a rear cover body, a positive terminal, a negative terminal, a first capacitor, a second capacitor, a third capacitor, a first carbon brush piece and a second carbon brush piece, wherein a shaft hole is formed in the middle of the rear cover body;
the rear cover comprises a rear cover body and is characterized in that a first limiting seat is arranged on the front side of the rear cover body, a first capacitor is arranged in the first limiting seat, first pins are arranged on two sides of the first capacitor respectively, one of the first pins is connected with an anode terminal, the other of the first pins is connected with a cathode terminal, a second limiting seat is arranged on the rear side of the rear cover body, a second capacitor and a third capacitor are arranged on two sides of the second limiting seat respectively, second pins are arranged on two sides of the second capacitor respectively, one of the second pins is connected with the anode terminal, the other of the second pins is abutted against the side wall of the rear cover body, third pins are arranged on two sides of the third capacitor respectively, one of the third pins is connected with the cathode terminal, and the other of the third pins is abutted against the side wall of the rear cover body.
2. The novel back cover structure of a micro-machine according to claim 1, characterized in that: the positive socket is characterized in that a third limiting seat is arranged on the upper right side of the positive socket, a fourth limiting seat is arranged on the upper left side of the negative socket, the first carbon brush piece is arranged between the third limiting seat and the positive socket, and the second carbon brush piece is arranged between the fourth limiting seat and the negative socket.
3. The novel back cover structure of a micro-machine according to claim 2, characterized in that: and the positive socket and the negative socket are internally provided with through slots respectively.
4. The novel back cover structure of a micro-machine according to claim 3, characterized in that: the positive terminal is T font structure, the vertical portion of positive terminal runs through the slot in positive socket, the bottom of the vertical portion of positive terminal is equipped with the wiring hole of being convenient for with external power supply positive wire connection, the both sides of the vertical portion of positive terminal are equipped with the lug structure of being connected with the slot buckle respectively, the left side of positive terminal horizontal part is equipped with the first Y type groove of being connected with first pin, the right side of positive terminal horizontal part is equipped with the second Y type groove of being connected with the second pin.
5. The novel back cover structure of a micro-machine according to claim 4, characterized in that: and the second Y-shaped groove extends downwards to form a connecting plate which is embedded between the positive socket and the third limiting seat.
6. The novel back cover structure of a micro-machine according to claim 5, characterized in that: the first carbon brush piece comprises a carbon brush and a damping elastic piece, one end of the damping elastic piece is connected with the carbon brush, a plurality of positioning holes are formed in the other end of the damping elastic piece, a plurality of positioning columns are arranged on the connecting plate, and the positioning columns are connected with the positioning holes in a one-to-one correspondence mode.
7. The novel back cover structure of a micro-machine according to claim 6, characterized in that: the side wall of the third limiting seat is provided with a plurality of positioning sliding grooves, and the positioning columns are embedded in the positioning sliding grooves.
8. The novel back cover structure of a micro-machine according to claim 6, characterized in that: the second carbon brush has the same structure as the first carbon brush.
9. The novel back cover structure of a micro-machine according to claim 4, characterized in that: the structure of the negative terminal is the same as that of the positive terminal.
10. The novel back cover structure of a micro-machine according to claim 1, characterized in that: two arc grooves are arranged on the rear side wall surface of the rear cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021827937.3U CN212909269U (en) | 2020-08-27 | 2020-08-27 | Novel rear cover structure of micromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021827937.3U CN212909269U (en) | 2020-08-27 | 2020-08-27 | Novel rear cover structure of micromotor |
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| Publication Number | Publication Date |
|---|---|
| CN212909269U true CN212909269U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021827937.3U Active CN212909269U (en) | 2020-08-27 | 2020-08-27 | Novel rear cover structure of micromotor |
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| CN (1) | CN212909269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162295A (en) * | 2021-04-23 | 2021-07-23 | 浙江乐歌智能驱动科技有限公司 | DC brush motor |
| CN113489252A (en) * | 2021-08-02 | 2021-10-08 | 陈梦华 | Novel motor installation process |
-
2020
- 2020-08-27 CN CN202021827937.3U patent/CN212909269U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162295A (en) * | 2021-04-23 | 2021-07-23 | 浙江乐歌智能驱动科技有限公司 | DC brush motor |
| CN113489252A (en) * | 2021-08-02 | 2021-10-08 | 陈梦华 | Novel motor installation process |
| CN113489252B (en) * | 2021-08-02 | 2023-04-14 | 中山市德高电器实业有限公司 | Installation process of motor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Type of Back Cover Structure for Micromotors Granted publication date: 20210406 Pledgee: Heyuan Branch of China Construction Bank Co.,Ltd. Pledgor: HEPING CHANGSHENG MOTOR CO.,LTD. Registration number: Y2024980015035 |