CN203374741U - Planetary gear reducer - Google Patents
Planetary gear reducer Download PDFInfo
- Publication number
- CN203374741U CN203374741U CN201320376053.4U CN201320376053U CN203374741U CN 203374741 U CN203374741 U CN 203374741U CN 201320376053 U CN201320376053 U CN 201320376053U CN 203374741 U CN203374741 U CN 203374741U
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- CN
- China
- Prior art keywords
- level
- support
- planetary gear
- gear
- planetary gears
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- 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
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Abstract
The utility model relates to a planetary gear reducer. The planetary gear reducer comprises an input shaft with a sun gear end, a gear ring made of plastic, a plurality of primary planetary gears, a primary support, a plurality of secondary planetary gears, a secondary support, a plurality of third-level planetary gears and a third-level support, wherein the primary planetary gears, the primary support, the secondary planetary gears, the secondary support, the third-level planetary gears and the third-level support are arranged in sequence from the input shaft in the torque transmission direction, the gear ring is internally meshed with an internal gear ring, all the primary planetary gears are internally meshed with the internal gear ring, the gear ring is meshed with the secondary planetary gears and the third-level planetary gears, the primary support is provided with a first connecting portion, the first connecting portion is meshed with the secondary planetary gears, the secondary support is provided with a second connecting portion, and the second connecting portion is meshed with the third-level planetary gears. According to the structure, the planetary gear reducer is compact in structure and low in noise, and enough torque output is ensured in the transmission process through the primary planetary gears, the secondary planetary gears and the third-level planetary gears.
Description
Technical field
The utility model relates to a kind of speed reducer, relates in particular to a kind of epicyclic reduction gear unit for paper breaker.
Background technique
Paper breaker, as a kind of privacy device, not only has secret function, has certain cleaning ability simultaneously, becomes gradually Bao Zheng's equipment indispensable in office.Along with modern society constantly develops, paper breaker not merely requires to have paper shredding function, also requirement can be pulverized some hard articles such as CD simultaneously, and general paper breaker, the gear reducers that adopt more, for the moment of torsion that guarantees that output is enough, volume is larger usually, and in the process of transmission, noise is larger.
The model utility content
The purpose of this utility model is to overcome the problem of above-mentioned prior art, provides a kind of compact structure noise less epicyclic reduction gear unit, ensures enough moment of torsion output simultaneously.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of epicyclic reduction gear unit, comprise the gear ring that input shaft with sun gear end and plastics are made, the some primary planet pinions that set gradually, one-level support, some secondary planetary gears, secondary support, some third-level planetary gears and three grades of supports from this input shaft, by the moment of torsion direction of transfer; Be engaged with an inner gear ring in this gear ring, all these primary planet pinions of engagement in this inner gear ring; This gear ring is meshed with this secondary planetary gear and this third-level planetary gear; This one-level support has the first joint, and this first joint is meshed with this secondary planetary gear; This secondary support has the second joint, and this second joint is meshed with this third-level planetary gear; The central position of these three grades of supports is provided with the output shaft attachment hole with keyway.
Further, the quantity of this primary planet pinion, secondary planetary gear and this third-level planetary gear is respectively three.
Further, this primary planet pinion is rotatably connected by the first coupling shaft and this one-level support; This secondary planetary gear is rotatably connected by the second coupling shaft and this secondary support; This third-level planetary gear is rotatably connected by the 3rd coupling shaft and this three grades of supports.
Further, the input side of this gear ring is connected with the motor flange plate, and the outlet side of this gear ring is connected with the safety cover of circular arc.
Further, this one-level support is respectively equipped with metallic shim near a side of this secondary planetary gear and a side of close this third-level planetary gear of this secondary support.
Further, this one-level support, secondary support and this three grades of supports are metal; This primary planet pinion and this secondary planetary gear are plastics, and this third-level planetary gear is metal.
Epicyclic reduction gear unit described in the utility model, comprise the gear ring that input shaft with sun gear end and plastics are made, the some primary planet pinions that set gradually, one-level support, some secondary planetary gears, secondary support, some third-level planetary gears and three grades of supports from this input shaft, by the moment of torsion direction of transfer; Be engaged with an inner gear ring in this gear ring, all these primary planet pinions of engagement in this inner gear ring; This gear ring is meshed with this secondary planetary gear and this third-level planetary gear; This one-level support has the first joint, and this first joint is meshed with this secondary planetary gear; This secondary support has the second joint, and this second joint is meshed with this third-level planetary gear; The central position of these three grades of supports is provided with the output shaft attachment hole with keyway.The epicyclic reduction gear unit of this structure, its compact structure noise is less, in transmission process, by the setting of primary planet pinion, secondary planetary gear and third-level planetary gear, has guaranteed enough moment of torsion output.
The accompanying drawing explanation
Fig. 1 is the right elevation in a kind of epicyclic reduction gear unit one specific embodiment described in the utility model;
Fig. 2 is the sectional structure schematic diagram along A-A line in Fig. 1.
Embodiment
As shown in Figures 1 and 2, a kind of epicyclic reduction gear unit, comprise the gear ring 2 that input shaft 1 with sun gear end 1a and plastics are made, the some primary planet pinions 3 that set gradually, one-level support 4, some secondary planetary gears 5, secondary support 6, some third-level planetary gears 7 and three grades of supports 8 from this input shaft 1, by the moment of torsion direction of transfer; Be engaged with an inner gear ring 9 in this gear ring 2, all these primary planet pinions 3 of the interior engagement of this inner gear ring 9; This gear ring 2 is meshed with this secondary planetary gear 5 and this third-level planetary gear 7; This one-level support 4 has the first joint 41, and this first joint 41 is meshed with this secondary planetary gear 5; This secondary support 6 has the second joint 61, and this second joint 61 is meshed with this third-level planetary gear 7; The central position of these three grades of supports 8 is provided with the output shaft attachment hole 81 with keyway 82.
Concrete, the quantity of this primary planet pinion 3, secondary planetary gear 5 and this third-level planetary gear 7 is respectively three.This primary planet pinion 3 is rotatably connected with this one-level support 4 by the first coupling shaft 31; This secondary planetary gear 5 is rotatably connected with this secondary support 6 by the second coupling shaft 51; This third-level planetary gear 7 is rotatably connected with these three grades of supports 8 by the 3rd coupling shaft 71.
The input side of this gear ring 2 is connected with motor flange plate 10, and the outlet side of this gear ring 2 is connected with the safety cover 11 of circular arc.This one-level support 4 is respectively equipped with metallic shim 12 near a side of this secondary planetary gear 5 and a side of this secondary support 6 close these third-level planetary gears 7.More specifically, four spaced seat ears 21 of the input side radial projection of this gear ring 2, this motor flange plate 10 is embedded the input side that is arranged on this gear ring 2.
This one-level support 4, secondary support 6 and this three grades of supports 8 are metal; This primary planet pinion 3 and this secondary planetary gear 5 are plastics, and this third-level planetary gear 7 is metal.
Claims (6)
1. an epicyclic reduction gear unit, comprise the gear ring that input shaft with sun gear end and plastics are made, it is characterized in that the some primary planet pinions that set gradually, one-level support, some secondary planetary gears, secondary support, some third-level planetary gears and three grades of supports from described input shaft, by the moment of torsion direction of transfer; Be engaged with an inner gear ring in described gear ring, all described primary planet pinions of engagement in described inner gear ring; Described gear ring is meshed with described secondary planetary gear and described third-level planetary gear; Described one-level support has the first joint, and described the first joint is meshed with described secondary planetary gear; Described secondary support has the second joint, and described the second joint is meshed with described third-level planetary gear; The central position of described three grades of supports is provided with the output shaft attachment hole with keyway.
2. epicyclic reduction gear unit as claimed in claim 1, is characterized in that, the quantity of described primary planet pinion, secondary planetary gear and described third-level planetary gear is respectively three.
3. epicyclic reduction gear unit as claimed in claim 1 or 2, is characterized in that, described primary planet pinion is rotatably connected by the first coupling shaft and described one-level support; Described secondary planetary gear is rotatably connected by the second coupling shaft and described secondary support; Described third-level planetary gear is rotatably connected by the 3rd coupling shaft and described three grades of supports.
4. epicyclic reduction gear unit as claimed in claim 1 or 2, is characterized in that, the input side of described gear ring is connected with the motor flange plate, and the outlet side of described gear ring is connected with the safety cover of circular arc.
5. epicyclic reduction gear unit as claimed in claim 3, is characterized in that, described one-level support is respectively equipped with metallic shim near a side of described secondary planetary gear and a side of the close described third-level planetary gear of described secondary support.
6. epicyclic reduction gear unit as claimed in claim 1, is characterized in that, described one-level support, secondary support and described three grades of supports are metal; Described primary planet pinion and described secondary planetary gear are plastics, and described third-level planetary gear is metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376053.4U CN203374741U (en) | 2013-06-28 | 2013-06-28 | Planetary gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376053.4U CN203374741U (en) | 2013-06-28 | 2013-06-28 | Planetary gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374741U true CN203374741U (en) | 2014-01-01 |
Family
ID=49837270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320376053.4U Expired - Fee Related CN203374741U (en) | 2013-06-28 | 2013-06-28 | Planetary gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374741U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322129A (en) * | 2013-06-28 | 2013-09-25 | 无锡麻德克斯精机有限公司 | Planetary gear speed reducer |
| CN104913013A (en) * | 2015-05-28 | 2015-09-16 | 三一重型装备有限公司 | Planetary reducer and coal cutter |
| CN105003604A (en) * | 2015-08-12 | 2015-10-28 | 山东十方机电有限公司 | Mute reduction gearbox of small-Nm tubular motor |
-
2013
- 2013-06-28 CN CN201320376053.4U patent/CN203374741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322129A (en) * | 2013-06-28 | 2013-09-25 | 无锡麻德克斯精机有限公司 | Planetary gear speed reducer |
| CN104913013A (en) * | 2015-05-28 | 2015-09-16 | 三一重型装备有限公司 | Planetary reducer and coal cutter |
| CN105003604A (en) * | 2015-08-12 | 2015-10-28 | 山东十方机电有限公司 | Mute reduction gearbox of small-Nm tubular motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 214101 No. two, No. 294, Furong Road, Xishan Economic Development Zone, Jiangsu, Wuxi Patentee after: Wuxi Matex Precision Co., Ltd. Address before: Road Industrial Park in Jiangsu province Wuxi city spring 214101 Xishan Economic Development Zone 6 room 7 Patentee before: Wuxi Matex Precision Co., Ltd. |
|
| 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: 20140101 Termination date: 20160628 |