CN210531544U - Direct current gear motor - Google Patents
Direct current gear motor Download PDFInfo
- Publication number
- CN210531544U CN210531544U CN201921512168.5U CN201921512168U CN210531544U CN 210531544 U CN210531544 U CN 210531544U CN 201921512168 U CN201921512168 U CN 201921512168U CN 210531544 U CN210531544 U CN 210531544U
- Authority
- CN
- China
- Prior art keywords
- gear
- transmission
- transmission shaft
- shaft
- 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.)
- Active
Links
Images
Landscapes
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a direct current gear motor, which comprises a direct current motor, a bottom cover, a reduction box, a worm sleeve, a transmission assembly, an output gear and an output shaft; the worm sleeve is connected with the output shaft through a transmission assembly; the transmission assembly comprises a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, a plastic worm wheel, a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear; the utility model discloses under the prerequisite that possesses the level four speed reduction function, with the gear in the gear box have the orderliness of arranging in layers, therefore reduced the reducing gear box volume and made things convenient for gear assembly, design into detachable construction with the plastics worm wheel simultaneously, in case the wearing and tearing take place for the plastics worm wheel, as long as change plastics worm wheel alone can, need not to change a drive gear to use cost has been reduced.
Description
Technical Field
The utility model relates to a direct current gear motor.
Background
The direct current gear motor, namely the gear reduction motor, is on the basis of ordinary direct current motor, add the supporting gear reduction box; the gear reduction box is used for providing lower rotating speed and larger torque; the reduction progression of gear reduction box is more, and the rotation of output shaft is more stable, and vibration and noise are also less, and the gear arrangement in the direct current gear motor reducing gear box that has the level four speed reduction function of current is comparatively loose, leads to the reducing gear box volume great, and gear assembly is also comparatively troublesome, and the worm wheel also is metal material and with first drive gear formula structure as an organic whole in addition, in case the worm wheel takes place wearing and tearing, just must wholly change, and use cost is higher, treats further improvement.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that a provide one kind under the prerequisite that possesses the level four speed reduction function, have the gear in the gear box orderly arrange in layers, therefore reduced the reducing gear box volume and made things convenient for gear assembly, reduced use cost's direct current gear motor simultaneously.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a direct current gear motor comprises a direct current motor, a bottom cover, a reduction box, a worm sleeve, a transmission assembly, an output gear and an output shaft; the direct current motor is transversely fixed outside the left side of the reduction gearbox, the reduction gearbox is detachably arranged at an opening below the bottom cover, the output shaft is vertically and rotatably arranged in the reduction gearbox, and the lower end of the output shaft is rotatably arranged on the bottom cover; the upper end of the output shaft extends out of the upper part of the reduction gearbox, and the worm sleeve is sleeved and fixed on a rotating shaft of the direct current motor and arranged inside the reduction gearbox; the transmission assembly is arranged inside the reduction gearbox and comprises a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, a plastic worm gear, a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear; the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft are vertically and rotatably arranged between the bottom cover and the reduction gearbox; the first transmission gear, the second transmission gear, the third transmission gear and the fourth transmission gear are respectively sleeved and fixed on the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft, and the first transmission gear is meshed with the second transmission gear; the upper end center of the first transmission gear upwards forms a shaft sleeve, and the plastic worm gear is detachably sleeved and fixed on the shaft sleeve and is meshed with the worm sleeve.
Preferably, the first transmission shaft is arranged on the left side of the third transmission shaft, the second transmission shaft is arranged between the first transmission shaft and the third transmission shaft, the fourth transmission shaft is arranged on the front side of the third transmission shaft, and the third transmission shaft and the fourth transmission shaft are arranged on the left side of the output shaft.
Preferably, a first reduction gear is formed upwards at the center of the upper end of the second transmission gear, and the first reduction gear is meshed with the third transmission gear.
Preferably, a second reduction gear is formed at the center of the upper end of the third transmission gear upward, and the second reduction gear is meshed with the fourth transmission gear.
Preferably, a third reduction gear is formed at the center of the upper end of the fourth transmission gear upward, and the third reduction gear is meshed with the output gear.
Compared with the prior art, the utility model has the advantages of: the utility model discloses under the prerequisite that possesses the level four speed reduction function, with the gear in the gear box have the orderliness of arranging in layers, therefore reduced the reducing gear box volume and made things convenient for gear assembly, design into detachable construction with the plastics worm wheel simultaneously, in case the wearing and tearing take place for the plastics worm wheel, as long as change plastics worm wheel alone can, need not to change first transmission gear to use cost has been reduced, the manufacturing cost of plastics worm wheel is also lower moreover.
Drawings
FIG. 1 is a front structural view of the present invention;
FIG. 2 is a front side view of the transmission assembly of the present invention;
FIG. 3 is a rear side view of the drive assembly of the present invention;
fig. 4 is an internal structure view of the reduction box of the present invention.
Detailed Description
As shown in fig. 1 to 4, a dc gear motor includes a dc motor 3, a bottom cover 1, a reduction box 2, a worm sleeve 15, a transmission assembly, an output gear 9 and an output shaft 4; the direct current motor 3 is transversely fixed outside the left side of the reduction gearbox 2, the reduction gearbox 2 is detachably arranged at an opening below the bottom cover 1, the output shaft 4 is vertically and rotatably arranged in the reduction gearbox 2, and the lower end of the output shaft 4 is rotatably arranged on the bottom cover 1; the upper end of the output shaft 4 extends out of the upper part of the reduction gearbox 2, a worm sleeve 15 is sleeved and fixed on a rotating shaft of the direct current motor 3 and arranged inside the reduction gearbox 2, the worm sleeve 15 is connected with the output shaft 4 through a transmission assembly, and an output gear 9 is sleeved and fixed on the output shaft 4 and arranged between the bottom cover 1 and the reduction gearbox 2; the transmission assembly is arranged inside the reduction gearbox 2 and comprises a first transmission shaft 5, a second transmission shaft 6, a third transmission shaft 7, a fourth transmission shaft 8, a plastic worm gear 10, a first transmission gear 11, a second transmission gear 12, a third transmission gear 13 and a fourth transmission gear 14; the first transmission shaft 5, the second transmission shaft 6, the third transmission shaft 7 and the fourth transmission shaft 8 are vertically and rotatably arranged between the bottom cover 1 and the reduction gearbox 2; the first transmission shaft 5 is arranged on the left side of the third transmission shaft 7, the second transmission shaft 6 is arranged between the first transmission shaft 5 and the third transmission shaft 7, the fourth transmission shaft 8 is arranged on the front side of the third transmission shaft 7, and the third transmission shaft 7 and the fourth transmission shaft 8 are both arranged on the left side of the output shaft 4; a first transmission gear 11, a second transmission gear 12, a third transmission gear 13 and a fourth transmission gear 14 are respectively sleeved and fixed on the first transmission shaft 5, the second transmission shaft 6, the third transmission shaft 7 and the fourth transmission shaft 8, and the first transmission gear 11 is meshed with the second transmission gear 12; a shaft sleeve 111 is formed upwards at the center of the upper end of the first transmission gear 11, and the plastic worm gear 10 is detachably sleeved and fixed on the shaft sleeve 111 and is meshed with the worm sleeve 15; a first reduction gear 121 is formed at the center of the upper end of the second transmission gear 12 upward, the first reduction gear 121 is engaged with the third transmission gear 13, a second reduction gear 131 is formed at the center of the upper end of the third transmission gear 13 upward, the second reduction gear 131 is engaged with the fourth transmission gear 14, a third reduction gear 141 is formed at the center of the upper end of the fourth transmission gear 14 upward, and the third reduction gear 141 is engaged with the output gear 9.
During the use, start direct current motor 3 and rotate in order to drive worm cover 15, and then drive plastics worm gear 10 according to the connection principle of worm gear and worm and rotate (first order speed reduction), thereby drive first drive gear 11 and rotate, and then drive second drive gear 12 with the help of the gear engagement principle and rotate, thereby drive third drive gear 13 with the help of first reduction gear 121 and rotate (second level speed reduction), and then drive fourth drive gear 14 with the help of second reduction gear 131 and rotate (third level speed reduction), thereby drive output gear 9 and output shaft 4 with the help of third reduction gear 141 and rotate together (fourth level speed reduction), link to each other the upper end of output shaft 4 with the part that needs the driven, just can realize the level four speed reduction and normal use.
The direct current gear motor, namely the gear reduction motor, is on the basis of ordinary direct current motor, add the supporting gear reduction box; the gear reduction box is used for providing lower rotating speed and larger torque; the reduction stages of the gear reduction box are more, the rotation of the output shaft is more stable, the vibration and the noise are less, the gear arrangement in the reduction box of the existing direct current reduction motor with the four-stage reduction function is looser, so that the reduction box is larger in size, the gear assembly is more troublesome, the worm gear is made of metal materials and is of an integrated structure with the first transmission gear 11, once the worm gear is worn, the worm gear needs to be integrally replaced, and the use cost is higher; the utility model discloses under the prerequisite that possesses the level four speed reduction function, with the gear in the gear box orderly arrange in layers, therefore reduced the reducing gear box volume and made things convenient for gear assembly, design into detachable construction with plastics worm wheel 10 simultaneously, in case plastics worm wheel 10 takes place wearing and tearing, as long as change plastics worm wheel 10 alone can, need not to change first transmission gear 11 to use cost has been reduced, plastics worm wheel 10's manufacturing cost is also lower moreover.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A direct current gear motor comprises a direct current motor, a bottom cover, a reduction box, a worm sleeve, a transmission assembly, an output gear and an output shaft; the direct current motor is transversely fixed outside the left side of the reduction gearbox, the reduction gearbox is detachably arranged at an opening below the bottom cover, the output shaft is vertically and rotatably arranged in the reduction gearbox, and the lower end of the output shaft is rotatably arranged on the bottom cover; the upper end of the output shaft extends out of the upper part of the reduction gearbox, and the worm sleeve is sleeved and fixed on a rotating shaft of the direct current motor and arranged inside the reduction gearbox; the transmission assembly is arranged inside the reduction gearbox and comprises a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, a plastic worm gear, a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear; the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft are vertically and rotatably arranged between the bottom cover and the reduction gearbox; the first transmission gear, the second transmission gear, the third transmission gear and the fourth transmission gear are respectively sleeved and fixed on the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft, and the first transmission gear is meshed with the second transmission gear; the upper end center of the first transmission gear upwards forms a shaft sleeve, and the plastic worm gear is detachably sleeved and fixed on the shaft sleeve and is meshed with the worm sleeve.
2. The direct current gear motor according to claim 1, wherein the first transmission shaft is disposed on a left side of the third transmission shaft, the second transmission shaft is disposed between the first transmission shaft and the third transmission shaft, the fourth transmission shaft is disposed on a front side of the third transmission shaft, and the third transmission shaft and the fourth transmission shaft are disposed on a left side of the output shaft.
3. The direct current gear motor according to claim 1, wherein a first reduction gear is formed upward from the center of the upper end of the second transmission gear, and the first reduction gear is engaged with the third transmission gear.
4. The direct current gear motor according to claim 1, wherein a second reduction gear is formed upward from the center of the upper end of the third transmission gear, and the second reduction gear is engaged with the fourth transmission gear.
5. The direct current gear motor according to claim 1, wherein a third reduction gear is formed upward from the center of the upper end of the fourth transmission gear, and the third reduction gear is engaged with the output gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921512168.5U CN210531544U (en) | 2019-09-11 | 2019-09-11 | Direct current gear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921512168.5U CN210531544U (en) | 2019-09-11 | 2019-09-11 | Direct current gear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531544U true CN210531544U (en) | 2020-05-15 |
Family
ID=70605286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921512168.5U Active CN210531544U (en) | 2019-09-11 | 2019-09-11 | Direct current gear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531544U (en) |
-
2019
- 2019-09-11 CN CN201921512168.5U patent/CN210531544U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202056251U (en) | Polydirectional stereoscopic reversing speed change gear box | |
| CN205534041U (en) | Two -stage harmonic planetary gear reducer | |
| CN111927935A (en) | Harmonic drive system and electric bicycle | |
| CN210531544U (en) | Direct current gear motor | |
| CN203248621U (en) | Gear box of cycloidal-pin wheel | |
| CN201027914Y (en) | Angle transmission speed reducer | |
| CN205248975U (en) | With axle center biax two -speed motor | |
| CN210201634U (en) | Compact direct current gear motor | |
| CN201386759Y (en) | Gearbox | |
| CN103307243A (en) | Dual-power-input gearbox | |
| CN201763893U (en) | Speed changing box | |
| CN211018537U (en) | Front output overspeed ratio speed reduction large torque motor | |
| CN206175629U (en) | Indulge electronic new energy automobile gearbox of formula of putting | |
| CN202215701U (en) | Differential with large torque, large speed ratio and high rotating speed | |
| CN210734429U (en) | Built-in straight tooth driving mechanism of baby carrier wheel | |
| CN203548734U (en) | Three-speed reverse gear integrated box and auxiliary transmission assembly | |
| CN206190397U (en) | Built -in speed change mechanism's diesel engine | |
| CN202251837U (en) | Bevel gear drive speed changing box | |
| CN206874696U (en) | Transmission clutch | |
| CN210734430U (en) | Built-in bevel gear driving mechanism of bassinet wheel | |
| CN201194755Y (en) | Drive device for food processor | |
| CN210469025U (en) | Wheel hub motor with simple eccentric structure | |
| CN220342171U (en) | Connection structure of motor and speed reducer | |
| CN212804087U (en) | Worm wheel and worm integrally-mounted gear box | |
| CN210898807U (en) | Driving motor for automatic door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |