CN213776235U - Speed reducer with good heat dissipation effect - Google Patents
Speed reducer with good heat dissipation effect Download PDFInfo
- Publication number
- CN213776235U CN213776235U CN202022781014.5U CN202022781014U CN213776235U CN 213776235 U CN213776235 U CN 213776235U CN 202022781014 U CN202022781014 U CN 202022781014U CN 213776235 U CN213776235 U CN 213776235U
- Authority
- CN
- China
- Prior art keywords
- end cover
- gear
- output shaft
- speed reducer
- fan
- 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
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 title claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a speed reducer with good heat dissipation effect, which comprises a front end cover, a rear end cover, a gear ring, a sun gear, a planetary gear and an output shaft, wherein the outer end of the output shaft is penetrated by the front end cover, and the inner end of the output shaft is connected with three planetary gears which are meshed and connected with the gear ring; the inner end of the sun gear is meshed with the planet gear, and the outer end of the sun gear is positioned in the rear end cover; the front end of the front end cover is connected with an annular cover plate, the periphery of the output shaft, which is positioned in the annular cover plate, is fixedly connected with a first fan, and the periphery of the sun wheel, which is positioned in the rear end cover, is fixedly connected with a second fan. When the speed reducer works, the first fan and the second fan respectively radiate the front end and the rear end of the speed reducer simultaneously, so that the radiating efficiency is greatly improved, and the service life of the speed reducer is prolonged.
Description
Technical Field
The utility model relates to a speed reducer technical field specifically is a speed reducer that radiating effect is good.
Background
At present, the planetary reducer has the advantages of high transmission efficiency, stable motion, strong impact resistance and vibration resistance and the like, and belongs to common transmission equipment for low rotating speed and large torque. However, the existing speed reducer has poor heat dissipation effect, and heat is difficult to dissipate after long-time work, so that the speed reducer is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a speed reducer that the radiating effect is good to solve the poor problem of current planetary gear speed reducer radiating effect.
In order to achieve the above object, the utility model provides a following technical scheme:
a speed reducer with a good heat dissipation effect comprises a front end cover, a rear end cover, a gear ring, a sun gear, planetary gears and an output shaft, wherein the outer end of the output shaft penetrates through the front end cover, the inner end of the output shaft is connected with the three planetary gears, and the planetary gears are in meshed connection with the gear ring; the inner end of the sun gear is meshed with the planetary gear, and the outer end of the sun gear is positioned in the rear end cover; the front end of the front end cover is connected with an annular cover plate, the periphery of the output shaft, which is positioned in the annular cover plate, is fixedly connected with a first fan, and the periphery of the sun wheel, which is positioned in the rear end cover, is fixedly connected with a second fan.
Preferably, the sun gear comprises a gear and a shaft sleeve.
Preferably, the gear is connected with three planetary gears, the second fan is fixedly connected to the shaft sleeve, the shaft sleeve is provided with a screw hole, and the screw hole is in threaded connection with a screw.
Preferably, the output shaft is connected with two deep groove ball bearings at the periphery of the inner side of the front end cover.
The utility model has the advantages that: the output end of the motor is connected with the shaft sleeve, the motor drives the sun gear to rotate, and the second fan rotates along with the sun gear to radiate heat on one side of the rear end cover; the sun gear drives the planetary gear to rotate, and the planetary gear drives the output shaft to rotate and drives the first fan to rotate so as to radiate heat on one side of the front end cover. When the speed reducer works, the first fan and the second fan respectively radiate the front end and the rear end of the speed reducer simultaneously, so that the radiating efficiency is greatly improved, and the service life of the speed reducer is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a sun gear of the present invention;
in the figure, 1-front end cover, 2-rear end cover, 3-gear ring, 4-sun gear, 401-gear, 402-shaft sleeve, 403-screw hole, 404-screw, 5-planetary gear, 6-output shaft, 7-annular cover plate, 8-first fan, 9-second fan and 10-deep groove ball bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a speed reducer with good heat dissipation effect comprises a front end cover 1, a rear end cover 2, a gear ring 3, a sun gear 4, planetary gears 5 and an output shaft 6, wherein the outer end of the output shaft 6 is penetrated through the front end cover 1, the inner end of the output shaft is connected with three planetary gears 5, and the planetary gears 5 are meshed with the gear ring 3; the sun gear 4 comprises a gear 401 and a shaft sleeve 402, the gear 401 is meshed with the three planetary gears 5, and the shaft sleeve 402 is positioned in the rear end cover 2; the front end of the front end cover 1 is connected with an annular cover plate 7, the periphery of the output shaft 6 in the annular cover plate 7 is fixedly connected with a first fan 8, and the periphery of the shaft sleeve 402 is fixedly connected with a second fan 9.
Specifically, the bushing 402 is provided with a screw hole 403, and a screw 404 is screwed into the screw hole 403 for fixedly connecting to an output shaft of the motor.
Specifically, two deep groove ball bearings 10 are connected to the outer periphery of the output shaft 6 on the inner side of the front end cover 1.
When the fan is used, the output end of the motor is connected with the shaft sleeve 402, the motor drives the sun gear 4 to rotate, and the second fan 9 rotates along with the sun gear 4 to radiate heat to one side of the rear end cover 2; the sun gear 4 drives the planetary gear 5 to rotate, the planetary gear 5 drives the output shaft 6 to rotate, and drives the first fan 8 to rotate so as to radiate heat to one side of the front end cover 1. When the speed reducer works, the first fan 8 and the second fan 9 respectively radiate the front end and the rear end of the speed reducer simultaneously, so that the radiating efficiency is greatly improved, and the service life of the speed reducer is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A speed reducer with a good heat dissipation effect comprises a front end cover (1), a rear end cover (2), a gear ring (3), a sun gear (4), planetary gears (5) and an output shaft (6), and is characterized in that the outer end of the output shaft (6) penetrates through the front end cover (1), the inner end of the output shaft is connected with the three planetary gears (5), and the planetary gears (5) are in meshed connection with the gear ring (3); the inner end of the sun gear (4) is meshed with the planetary gear (5), and the outer end of the sun gear is positioned in the rear end cover (2); the front end of the front end cover (1) is connected with an annular cover plate (7), the output shaft (6) is located at the periphery of the annular cover plate (7) and is fixedly connected with a first fan (8), and the sun gear (4) is located at the periphery of the rear end cover (2) and is fixedly connected with a second fan (9).
2. A reducer with a high heat dissipation effect according to claim 1, wherein the sun gear (4) includes a gear (401) and a sleeve (402).
3. A reducer with good heat dissipation effect according to claim 2, wherein the gear (401) is connected with three planetary gears (5), the second fan (9) is fixedly connected to a shaft sleeve (402), a screw hole (403) is formed in the shaft sleeve (402), and a screw (404) is connected to the screw hole (403) in a threaded manner.
4. The speed reducer with the good heat dissipation effect as recited in claim 1, wherein two deep groove ball bearings (10) are connected to the outer periphery of the output shaft (6) on the inner side of the front end cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781014.5U CN213776235U (en) | 2020-11-27 | 2020-11-27 | Speed reducer with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781014.5U CN213776235U (en) | 2020-11-27 | 2020-11-27 | Speed reducer with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776235U true CN213776235U (en) | 2021-07-23 |
Family
ID=76892136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022781014.5U Expired - Fee Related CN213776235U (en) | 2020-11-27 | 2020-11-27 | Speed reducer with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213776235U (en) |
-
2020
- 2020-11-27 CN CN202022781014.5U patent/CN213776235U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104964001A (en) | Robot joint reducer | |
| CN203660765U (en) | Motor with improved heat-radiation structure | |
| CN213776235U (en) | Speed reducer with good heat dissipation effect | |
| CN204349693U (en) | A kind of permanent magnet efficient motor | |
| CN209831242U (en) | Two-stage reduction gear box structure of handheld straight-core electric polishing machine | |
| CN204900694U (en) | Robot joint reduction gear | |
| CN204258545U (en) | A kind of electric motor temperature reduction device | |
| CN216478777U (en) | Stable planetary reducer gear structure | |
| CN212717869U (en) | Double-arc herringbone-tooth planetary gear transmission mechanism | |
| CN211398447U (en) | Built-in parallel shaft of gear box | |
| CN110510052B (en) | Brushless motor of gasoline-electric hybrid motorcycle | |
| CN213575376U (en) | Consumption-reducing industrial fan speed reducer | |
| CN218598740U (en) | Motor speed reducing mechanism | |
| CN215944276U (en) | Quick-release hub motor | |
| CN216789132U (en) | Single-stage transmission structure | |
| CN215673418U (en) | Planetary gear speed reducer | |
| CN213808687U (en) | Circular end cover planetary gear speed reducer | |
| CN216618425U (en) | Efficient energy-saving powerful supercharger | |
| CN214699006U (en) | Worm gear speed reducer convenient to adjust gear spacing | |
| CN216056679U (en) | Modern mechanical power transmission device | |
| CN220706325U (en) | Two-stage radial series harmonic speed reducer with large reduction ratio | |
| CN211059314U (en) | Speed reducer with high precision performance | |
| CN203130934U (en) | Double-stage driving servo planetary reducer | |
| CN213162488U (en) | Precise metal extrusion forming press with coaxial transmission of sun wheel | |
| CN215806044U (en) | Vertical series rotary 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 |
Granted publication date: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |