CN212323907U - Low-noise miniature direct-current speed reduction motor - Google Patents
Low-noise miniature direct-current speed reduction motor Download PDFInfo
- Publication number
- CN212323907U CN212323907U CN202021518727.6U CN202021518727U CN212323907U CN 212323907 U CN212323907 U CN 212323907U CN 202021518727 U CN202021518727 U CN 202021518727U CN 212323907 U CN212323907 U CN 212323907U
- Authority
- CN
- China
- Prior art keywords
- gear
- belt pulley
- servo motor
- noise
- reduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a low-noise miniature direct current speed reduction motor, including servo motor, gear train, output shaft and casing, servo motor and gear train are all installed inside the casing, the casing is inside to be equipped with the carrier, the gear train sets up on the carrier through miniature bearing, the gear train includes a plurality of reduction gears that mesh and connect, include power input gear and power output gear among a plurality of reduction gears, the last output shaft that is equipped with of power output gear, servo motor passes through belt drive mechanism and is connected with power input gear; the servo motor and the gear set are connected in a belt transmission mode, so that noise generated when the speed reduction motor is used can be greatly reduced when power of the servo motor is transmitted to the first power input gear, and meanwhile, the speed reduction gear in the gear set is installed on the gear carrier through the miniature bearing, so that noise caused by unstable rotation of the gear after long-time use is avoided.
Description
Technical Field
The utility model relates to a gear motor technical field specifically is a miniature direct current gear motor of low noise.
Background
Because the existing direct current speed reducing motor is formed by combining an independent gear box and an independent motor, the gear box and the motor are independently produced firstly in the processing and assembling process, then the two independent parts are assembled, and the assembly is generally fixed and assembled by a plurality of screws.
The gear of the existing speed reducing motor is damaged in long-time use, so that a large amount of abrasion and vibration occur between the gears, the speed reducer can generate great noise in the operation process, and the normal mechanical equipment work is also influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a low-noise miniature dc gear motor, which can reduce the noise of the gear motor in the use process.
The utility model discloses a miniature direct current gear motor of low noise, including servo motor, gear train, output shaft and casing, inside servo motor and gear train all installed at the casing, the inside gear carrier that is equipped with of casing, the gear train passes through miniature bearing and sets up on the gear carrier, and the gear train includes the reduction gear that a plurality of meshing are connected, includes power input gear and power output gear among a plurality of reduction gears, is equipped with the output shaft on the power output gear, and servo motor passes through belt drive mechanism and power input gear connection.
Further, belt drive includes first belt pulley, second belt pulley and driving belt, first belt pulley with servo motor's pivot fixed connection, the second belt pulley with the coaxial fixed connection of power input gear, the driving belt overlaps in first belt pulley and second belt pulley.
Further, the gear train includes first reduction gear and second reduction gear, wherein first reduction gear is the power input gear, the second reduction gear is the power output gear, the diameter of first reduction gear is less than the diameter of first belt pulley and second reduction gear, first reduction gear and second reduction gear meshing connection.
Furthermore, a sponge sound-insulating layer is arranged on the inner side wall of the shell.
Furthermore, the outer ring of the micro bearing is fixedly arranged on the gear carrier, and the rotating shafts of the gears in the gear set are fixedly connected with the inner ring of the micro bearing.
The utility model has the advantages that: the utility model discloses a low noise miniature direct current gear motor connects servo motor and gear train through belt drive's mode for can reduce the noise that the gear motor produced when using by a wide margin when the power of servo motor transmits to first power input gear, adopt miniature bearing to install the reduction gear in the gear train on the carrier simultaneously, avoid the gear to rotate the noise that unstability arouses after using for a long time; the utility model discloses simple structure is compact, has very high practical value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers are as follows: 1-servo motor, 2-gear set, 3-output shaft, 4-shell, 5-micro bearing, 6-belt transmission mechanism, 21-first reduction gear, 22-second reduction gear, 41-gear rack, 61-first belt pulley, 62-second belt pulley and 63-transmission belt.
Detailed Description
As shown in fig. 1: the miniature direct current gear motor of low noise of this embodiment, including servo motor 1, gear train 2, output shaft 3 and casing 4, servo motor 1 and gear train 2 are all installed inside casing 4, the inside carrier 41 that is equipped with of casing 4, gear train 2 sets up on carrier 41 through miniature bearing 5, gear train 2 includes the reduction gear that a plurality of meshing are connected, including power input gear and power output gear in a plurality of reduction gears, be equipped with output shaft 3 on the power output gear, servo motor 1 passes through belt drive 6 and is connected with the power input gear. The utility model discloses a low-noise miniature direct current gear motor connects servo motor 1 and gear train 2 through belt drive's mode, can reduce the noise that the gear motor produced when using by a wide margin when making the power of servo motor 1 transmit to first power input gear, adopt miniature bearing 5 to install the reduction gear in the gear train 2 on gear carrier 41 at the same time, avoid the gear to rotate the noise that the unstability arouses after using for a long time; the utility model discloses simple structure is compact, has very high practical value.
The belt drive has the advantages over gears: belt drive is not skidding under the condition of belt, and the noise that produces is far less than the gear, and the main source that the speed reducer produced the noise is when motor shaft's drive gear contacts with gear train 2, because the motor rotational speed is great when not having reduced speed, directly adopts the noise that gear drive produced great, consequently based on above-mentioned principle, the utility model discloses the biggest part of noise will be produced: namely, the motor and the transmission part of the gear set 2 adopt belt transmission, thereby reducing the main noise source.
In this embodiment, the belt transmission mechanism 6 includes a first belt pulley 61, a second belt pulley 62 and a transmission belt 63, the first belt pulley 61 is fixedly connected with the rotating shaft of the servo motor 1, the second belt pulley 62 is fixedly connected with the power input gear, the transmission belt 63 is sleeved on the first belt pulley 61 and the second belt pulley 62, wherein the diameter of the first belt pulley 61 is smaller than that of the second belt pulley 62, the transmission belt 63 is sleeved on the first belt pulley 61 and the second belt pulley 62 after being tightened, the first speed reduction is completed by using the first belt pulley 61 and the second belt pulley 62, and the speed reduction ratio is the diameter ratio of the second belt pulley 62 to the first belt pulley 61.
In this embodiment, the gear set 2 includes a first reduction gear 21 and a second reduction gear 22, where the first reduction gear 21 is a power input gear, the second reduction gear 22 is a power output gear, a diameter of the first reduction gear 21 is smaller than diameters of the first belt pulley 61 and the second reduction gear 22, and the first reduction gear 21 and the second reduction gear 22 are meshed and connected.
In this embodiment, be equipped with the sponge puigging on the inside wall of casing 4, further avoid the outward propagation of noise.
In this embodiment, the outer ring of the micro bearing 5 is fixedly disposed on the carrier 41, and the rotating shafts of the gears in the gear set 2 are all fixedly connected to the inner ring of the micro bearing 5, so that the unstable rotation of the gears after long-term use is further reduced by the stability of the bearings.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. The utility model provides a miniature direct current gear motor of low noise which characterized in that: including servo motor, gear train, output shaft and casing, inside servo motor and gear train all installed the casing, the inside carrier that is equipped with of casing, the gear train passes through miniature bearing and sets up on the carrier, and the gear train includes the reduction gear that a plurality of meshing are connected, includes power input gear and power output gear in a plurality of reduction gears, is equipped with the output shaft on the power output gear, and servo motor passes through belt drive mechanism and power input gear connection.
2. The low-noise miniature direct current gear motor according to claim 1, characterized in that: the belt transmission mechanism comprises a first belt pulley, a second belt pulley and a transmission belt, the first belt pulley is fixedly connected with a rotating shaft of the servo motor, the second belt pulley is fixedly connected with the power input gear in a coaxial mode, and the transmission belt is sleeved on the first belt pulley and the second belt pulley.
3. The low-noise miniature direct current gear motor according to claim 2, characterized in that: the gear train includes first reduction gear and second reduction gear, and wherein first reduction gear is power input gear, and the second reduction gear is power output gear, and the diameter of first reduction gear is less than the diameter of first belt pulley and second reduction gear, first reduction gear and second reduction gear meshing connection.
4. The low-noise miniature direct current gear motor according to claim 1, characterized in that: and a sponge sound-insulating layer is arranged on the inner side wall of the shell.
5. The low-noise miniature direct current gear motor according to claim 1, characterized in that: the outer ring of the micro bearing is fixedly arranged on the gear carrier, and rotating shafts of gears in the gear set are fixedly connected with the inner ring of the micro bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021518727.6U CN212323907U (en) | 2020-07-28 | 2020-07-28 | Low-noise miniature direct-current speed reduction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021518727.6U CN212323907U (en) | 2020-07-28 | 2020-07-28 | Low-noise miniature direct-current speed reduction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323907U true CN212323907U (en) | 2021-01-08 |
Family
ID=74036497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021518727.6U Expired - Fee Related CN212323907U (en) | 2020-07-28 | 2020-07-28 | Low-noise miniature direct-current speed reduction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323907U (en) |
-
2020
- 2020-07-28 CN CN202021518727.6U patent/CN212323907U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11988270B2 (en) | Electric drive assembly for electric vehicle, and electric vehicle | |
| CN212323907U (en) | Low-noise miniature direct-current speed reduction motor | |
| CN201502256U (en) | Speed reducer for automatic swing door | |
| CN207015161U (en) | Power assembly of electric automobile | |
| CN206280440U (en) | Double motive power driving gear-boxes and freewheel clutch are integrated | |
| CN211059298U (en) | Four-speed reducer device | |
| CN209398799U (en) | High-speed planetary gear train reducer structure with large speed ratio | |
| CN211950722U (en) | Energy-saving planetary reduction assembly device of starter | |
| CN211655923U (en) | Integrated driving device and equipment driven by motor | |
| CN114382795A (en) | Forward and reverse non-return co-rotator for mechanical transmission | |
| CN210034302U (en) | Large-speed-ratio hollow planetary reducer | |
| CN212985983U (en) | Low-noise two-stage transmission speed reducer | |
| CN214118872U (en) | Coaxial transmission type synchronous belt wheel speed reducer | |
| CN213360959U (en) | Speed reducer with small installation space | |
| CN212392764U (en) | Speed reducing motor | |
| CN219159445U (en) | Planetary gear reducer device | |
| CN220015956U (en) | Portable double-output gear box | |
| CN213585459U (en) | Proportion difference speed reducing motor | |
| CN220492799U (en) | Electromechanical integrated harmonic speed reducer with double output ends | |
| CN110966356A (en) | Planetary speed reducer with small tooth difference | |
| CN215763079U (en) | Low-noise single-stage helical-tooth double-support planetary reducer | |
| CN215444936U (en) | Planetary gear reduction box | |
| CN213176677U (en) | Coaxial two-stage planetary reducer | |
| CN109910605A (en) | Power device and electric car | |
| CN213744724U (en) | Steering mechanism of speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |