CN215772845U - High-torque rear cover structure of micromotor - Google Patents
High-torque rear cover structure of micromotor Download PDFInfo
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- CN215772845U CN215772845U CN202121529546.8U CN202121529546U CN215772845U CN 215772845 U CN215772845 U CN 215772845U CN 202121529546 U CN202121529546 U CN 202121529546U CN 215772845 U CN215772845 U CN 215772845U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 84
- 239000003990 capacitor Substances 0.000 claims abstract description 58
- 238000004804 winding Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003321 amplification 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
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a high-torque rear cover structure of a micromotor, which comprises a rear cover body, a positive terminal, a negative terminal, a first capacitor, a second capacitor, a third capacitor, a first inductor, a second inductor, a first carbon brush and a second carbon brush, wherein a containing groove is formed in the rear cover body, a through shaft hole is formed in the middle of the containing groove, the positive terminal is inserted into the first slot, the negative terminal is inserted into the second slot, the first capacitor is arranged between the first slot and the second slot, the first inductor and the second inductor are respectively arranged on the left side and the right side of the shaft hole, and the first carbon brush and the second carbon brush are respectively arranged on the left upper corner and the right upper corner of the shaft hole. The capacitor and the inductor set are arranged on the rear cover body, so that a large-current magnetic field generated when the high-torque micro motor operates can be filtered and absorbed, the anti-electromagnetic interference capability of the micro motor is improved, and the operation stability of the micro motor is ensured; the high-voltage power supply has the advantages of compact structure, convenience in assembly, stable current, strong anti-electromagnetic interference capability, long service life and the like.
Description
Technical Field
The utility model relates to the field of micromotor rear cover structures, in particular to a high-torque micromotor rear cover structure.
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; meanwhile, when the micro motor is applied to equipment which needs high torque for transmission, such as a reversing system of an automobile, the current required by the high-torque micro motor is large when the micro motor runs, the temperature rises rapidly in the running process, if the requirements of load large current and temperature resistance level cannot be met, the service life of the micro motor is influenced, and even the burning result is caused; in addition, the structural arrangement of each element in the rear cover of the micromotor on the market is not compact enough, so that the installation space is larger, the size of the micromotor is increased, the assembly process of the rear cover of the micromotor becomes complicated, and the production efficiency of an enterprise is influenced.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the high-torque rear cover structure of the micromotor is reasonable in structural design, good in anti-electromagnetic interference performance, long in service life and convenient to assemble.
The technical scheme of the utility model is as follows: a high-torque rear cover structure of a micromotor comprises a rear cover body, a positive terminal, a negative terminal, a first capacitor, a second capacitor, a third capacitor, a first inductor, a second inductor, a first carbon brush and a second carbon brush, wherein a containing groove is formed in the rear cover body, a through shaft hole is formed in the middle of the containing groove, a first slot is formed in the lower left corner of the shaft hole, a second slot is formed in the lower right corner of the shaft hole, the positive terminal is inserted into the first slot, and the negative terminal is inserted into the second slot;
a first capacitor is arranged between the first slot and the second slot, a second capacitor and a third capacitor are respectively arranged on the left side and the right side below the first capacitor, one end of the positive terminal is respectively connected with one end of the first capacitor and one end of the second capacitor, one end of the negative terminal is respectively connected with one end of the first capacitor and one end of the third capacitor, a wire groove is arranged on the side wall of the rear cover body below the first capacitor, and the other ends of the second capacitor and the third capacitor are respectively arranged in the wire groove;
the left and right sides in shaft hole is equipped with first inductance and second inductance respectively, the upper left corner in shaft hole is equipped with first carbon brush, the upper right corner in shaft hole is equipped with the second carbon brush, the other end of anodal terminal is around establishing on first inductance and being connected with the one end of first carbon brush, the other end of negative pole terminal is around establishing on the second inductance and being connected with the one end of second carbon brush.
According to the technical scheme, in the high-torque micromotor rear cover structure, a first winding post and a second winding post are further arranged between the first carbon brush and the second carbon brush, the other end of the first carbon brush is wound on the first winding post, and the other end of the second carbon brush is wound on the second winding post.
By adopting the technical scheme, in the high-torque micromotor rear cover structure, the left side and the right side of the shaft hole are respectively provided with the first inductance groove and the second inductance groove, the first inductance is arranged in the first inductance groove, and the second inductance is arranged in the second inductance groove.
By adopting the technical scheme, in the high-torque micromotor rear cover structure, a first carbon brush chamber is arranged at the upper left corner of the shaft hole, a second carbon brush chamber is arranged at the upper right corner of the shaft hole, the first carbon brush chamber is arranged in the first carbon brush chamber, and the second carbon brush chamber is arranged in the second carbon brush chamber.
According to the technical scheme, in the high-torque micromotor rear cover structure, the first carbon brush chamber is of a rectangular structure, an opening convenient for placing the first carbon brush is formed in one side, away from the shaft hole, of the first carbon brush chamber, a through groove convenient for the first carbon brush to extend out is formed in one side, close to the shaft hole, of the first carbon brush chamber, and the second carbon brush chamber is identical to the first carbon brush chamber in structure.
By adopting the technical scheme, in the high-torque micromotor rear cover structure, the first inductance groove and the second inductance groove have the same structure and are both hollow cylindrical structures.
By adopting the technical scheme, in the high-torque micromotor rear cover structure, the bottoms of the positive terminal and the negative terminal are respectively provided with the through holes convenient for wiring installation.
By adopting the technical scheme, the utility model has the beneficial effects that: according to the utility model, the first capacitor, the second capacitor, the third capacitor, the first inductor and the second inductor are arranged on the rear cover body, so that a large-current magnetic field generated when a high-torque micro motor operates can be filtered and absorbed, the anti-electromagnetic interference capability of the micro motor is effectively improved, the stability of the micro motor in operation is ensured, and the service life is prolonged; meanwhile, the leads of the positive terminal and the negative terminal are respectively wound on the first inductor and the second inductor, so that the contact surface between the leads and the inductors is increased, and the phenomenon that the leads of the inductors are blown due to the fact that the contact surface is too small when the current is large is avoided; the inductors are respectively fixed in the inductor grooves, and the carbon brushes are respectively fixed in the carbon brush chambers, so that the assembly stability among elements on the rear cover body can be improved, the installation is convenient, and the production efficiency is effectively improved; the integral structure is compact in arrangement, convenient to assemble, capable of effectively reducing electromagnetic interference on the micromotor, long in service life and capable of being popularized and used.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the rear cover body according to the present invention;
FIG. 3 is a schematic view of the internal assembly structure of the rear cover body according to the present invention;
fig. 4 is a schematic bottom structure of the present invention.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, a high-torque rear cover structure of a micro-motor includes a rear cover body 1, a positive terminal 21, a negative terminal 22, a first capacitor 31, a second capacitor 32, a third capacitor 33, a first inductor 41, a second inductor 42, a first carbon brush 51, and a second carbon brush 52, a receiving groove 10 is provided in the rear cover body 1, a through shaft hole 100 is provided in the middle of the receiving groove 10, a first slot 11 is provided on a lower left corner of the shaft hole 100, a second slot 12 is provided on a lower right corner of the shaft hole 100, the positive terminal 21 is inserted into the first slot 11, and the negative terminal 22 is inserted into the second slot 12. In this embodiment, the accommodating groove 10 is provided to facilitate the assembly of electronic components on the rear cover body 1, thereby reducing the overall installation volume, the positive terminal 21 and the negative terminal 22 are provided to facilitate the connection with an external power line, and the shaft hole 100 is provided with a ball bearing to facilitate the connection with an external commutator, thereby reducing the rotational friction force of the rotor of the micro-motor.
As shown in fig. 2 and 3, a first capacitor 31 is disposed between the first slot 11 and the second slot 12, a second capacitor 32 and a third capacitor 33 are disposed on the left and right sides of the lower portion of the first capacitor 31, respectively, one end of the positive terminal 21 is connected to one end of the first capacitor 31 and one end of the second capacitor 32, one end of the negative terminal 22 is connected to one end of the first capacitor 31 and one end of the third capacitor 33, respectively, a wire groove 13 is disposed on the sidewall of the rear cover body 1 below the first capacitor 31, and the other ends of the second capacitor 32 and the third capacitor 33 are disposed in the wire groove 13, respectively. In this embodiment, the first capacitor 31, the second capacitor 32 and the third capacitor 33 are respectively connected to the positive terminal 21 and the negative terminal 22, so that the electromagnetic interference generated by the rotor of the micro-motor during operation can be filtered by the plurality of capacitors, thereby improving the anti-electromagnetic interference capability of the micro-motor.
As shown in fig. 1 to 3, a first inductor 41 and a second inductor 42 are respectively disposed on the left and right sides of the shaft hole 100, a first carbon brush 51 is disposed on the upper left corner of the shaft hole 100, a second carbon brush 52 is disposed on the upper right corner of the shaft hole 100, the other end of the positive terminal 21 is wound on the first inductor 41 and connected to one end of the first carbon brush 51, and the other end of the negative terminal 22 is wound on the second inductor 42 and connected to one end of the second carbon brush 52. In this embodiment, the first inductor 41 and the second inductor 42 are arranged to filter noise, stabilize current and suppress electromagnetic interference to the high-torque micro-motor, and the leads of the positive terminal 21 and the negative terminal 22 are respectively wound on the first inductor 41 and the second inductor 42, so that the contact area between the leads and the inductors can be increased, and the phenomenon of inductor lead burnout caused by too small contact area when current is large is avoided; the first and second carbon brushes 51 and 52 can input an excitation current to the rotating rotor.
As shown in fig. 2, a first winding post 61 and a second winding post 62 are further disposed between the first carbon brush 51 and the second carbon brush 52, the other end of the first carbon brush 51 is wound around the first winding post 61, and the other end of the second carbon brush 52 is wound around the second winding post 62.
As shown in fig. 1 and 2, a first inductor slot 71 and a second inductor slot 72 are respectively disposed on the left and right sides of the axial hole 100, the first inductor 41 is disposed in the first inductor slot 71, and the second inductor 42 is disposed in the second inductor slot 72. In this embodiment, the first inductor 41 and the second inductor 42 are respectively fixed in the first inductor slot 71 and the second inductor slot 72, so that the assembly stability of each inductor on the rear cover body 1 can be improved, the mounting is facilitated, and the assembly efficiency of the micro-motor is effectively improved.
As shown in fig. 1 and 2, a first carbon brush chamber 81 is disposed at an upper left corner of the shaft hole 100, a second carbon brush chamber 82 is disposed at an upper right corner of the shaft hole 100, the first carbon brush 51 is disposed in the first carbon brush chamber 81, and the second carbon brush 52 is disposed in the second carbon brush chamber 82. In this embodiment, the first carbon brush 51 and the second carbon brush 52 are respectively fixed in the first carbon brush chamber 81 and the second carbon brush chamber 82, which not only facilitates assembly, but also improves the installation stability of the carbon brushes, and has no offset in the operation process and strong practicability.
Further, the first carbon brush chamber 81 is of a rectangular structure, an opening 811 for placing the first carbon brush 51 is arranged on one side of the first carbon brush chamber 81 away from the shaft hole 100, a through groove 812 for extending the first carbon brush 51 is arranged on one side of the first carbon brush chamber 81 close to the shaft hole 100, and the second carbon brush chamber 82 is identical to the first carbon brush chamber 81 in structure.
As shown in fig. 2, the first inductor slot 71 and the second inductor slot 72 have the same structure and are both hollow and cylindrical. In this embodiment, the first inductor slot 71 and the second inductor slot 72 are formed as hollow cylindrical structures, which facilitates the installation of cylindrical inductors in the inductor slots.
As shown in fig. 4, the bottoms of the positive terminal 21 and the negative terminal 22 are provided with through holes 200 for facilitating wire connection.
The utility model has the beneficial effects that: according to the utility model, the first capacitor, the second capacitor, the third capacitor, the first inductor and the second inductor are arranged on the rear cover body, so that a large-current magnetic field generated when a high-torque micro motor operates can be filtered and absorbed, the anti-electromagnetic interference capability of the micro motor is effectively improved, the stability of the micro motor in operation is ensured, and the service life is prolonged; meanwhile, the leads of the positive terminal and the negative terminal are respectively wound on the first inductor and the second inductor, so that the contact surface between the leads and the inductors is increased, and the phenomenon that the leads of the inductors are blown due to the fact that the contact surface is too small when the current is large is avoided; the inductors are respectively fixed in the inductor grooves, and the carbon brushes are respectively fixed in the carbon brush chambers, so that the assembly stability among elements on the rear cover body can be improved, the installation is convenient, and the production efficiency is effectively improved; the integral structure is compact in arrangement, convenient to assemble, capable of effectively reducing electromagnetic interference on the micromotor, long in service life and capable of being popularized and used.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a lid structure behind micromotor of high moment of torsion which characterized in that: the capacitor comprises a rear cover body, a positive terminal, a negative terminal, a first capacitor, a second capacitor, a third capacitor, a first inductor, a second inductor, a first carbon brush and a second carbon brush, wherein a containing groove is formed in the rear cover body, a through shaft hole is formed in the middle of the containing groove, a first slot is formed in the lower left corner of the shaft hole, a second slot is formed in the lower right corner of the shaft hole, the positive terminal is inserted into the first slot, and the negative terminal is inserted into the second slot;
a first capacitor is arranged between the first slot and the second slot, a second capacitor and a third capacitor are respectively arranged on the left side and the right side below the first capacitor, one end of the positive terminal is respectively connected with one end of the first capacitor and one end of the second capacitor, one end of the negative terminal is respectively connected with one end of the first capacitor and one end of the third capacitor, a wire groove is arranged on the side wall of the rear cover body below the first capacitor, and the other ends of the second capacitor and the third capacitor are respectively arranged in the wire groove;
the left and right sides in shaft hole is equipped with first inductance and second inductance respectively, the upper left corner in shaft hole is equipped with first carbon brush, the upper right corner in shaft hole is equipped with the second carbon brush, the other end of anodal terminal is around establishing on first inductance and being connected with the one end of first carbon brush, the other end of negative pole terminal is around establishing on the second inductance and being connected with the one end of second carbon brush.
2. The high-torque micromotor back cover structure according to claim 1, characterized in that: and a first winding post and a second winding post are further arranged between the first carbon brush and the second carbon brush, the other end of the first carbon brush is wound on the first winding post, and the other end of the second carbon brush is wound on the second winding post.
3. The high-torque micromotor back cover structure according to claim 1, characterized in that: the left and right sides in shaft hole is equipped with first inductance groove and second inductance groove respectively, first inductance is located first inductance inslot, the second inductance is located the second inductance inslot.
4. The high-torque micromotor back cover structure according to claim 1, characterized in that: the carbon brush comprises a shaft hole and is characterized in that a first carbon brush chamber is arranged at the upper left corner of the shaft hole, a second carbon brush chamber is arranged at the upper right corner of the shaft hole, the first carbon brush is arranged in the first carbon brush chamber, and the second carbon brush is arranged in the second carbon brush chamber.
5. The high-torque micromotor back cover structure according to claim 4, wherein: the first carbon brush chamber is of a rectangular structure, one side, far away from the shaft hole, of the first carbon brush chamber is provided with an opening convenient for placing a first carbon brush, one side, close to the shaft hole, of the first carbon brush chamber is provided with a through groove convenient for the first carbon brush to extend out, and the second carbon brush chamber is identical to the first carbon brush chamber in structure.
6. The high-torque micromotor back cover structure according to claim 1, characterized in that: the first inductance groove and the second inductance groove are identical in structure and are both hollow cylindrical structures.
7. The high-torque micromotor back cover structure according to claim 1, characterized in that: the bottom of positive terminal and negative terminal all is equipped with the through-hole of being convenient for the wiring installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121529546.8U CN215772845U (en) | 2021-07-06 | 2021-07-06 | High-torque rear cover structure of micromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121529546.8U CN215772845U (en) | 2021-07-06 | 2021-07-06 | High-torque rear cover structure of micromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215772845U true CN215772845U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121529546.8U Active CN215772845U (en) | 2021-07-06 | 2021-07-06 | High-torque rear cover structure of micromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215772845U (en) |
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2021
- 2021-07-06 CN CN202121529546.8U patent/CN215772845U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 High Torque Micromotor Rear Cover Structure Effective date of registration: 20221018 Granted publication date: 20220208 Pledgee: Bank of China Limited by Share Ltd. Heyuan branch Pledgor: HEPING CHANGSHENG MOTOR CO.,LTD. Registration number: Y2022980018758 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220208 Pledgee: Bank of China Limited by Share Ltd. Heyuan branch Pledgor: HEPING CHANGSHENG MOTOR CO.,LTD. Registration number: Y2022980018758 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |