CN202992040U - Double-inner-gearing small teeth difference planetary reducer supporting structure - Google Patents
Double-inner-gearing small teeth difference planetary reducer supporting structure Download PDFInfo
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- CN202992040U CN202992040U CN 201220603156 CN201220603156U CN202992040U CN 202992040 U CN202992040 U CN 202992040U CN 201220603156 CN201220603156 CN 201220603156 CN 201220603156 U CN201220603156 U CN 201220603156U CN 202992040 U CN202992040 U CN 202992040U
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Abstract
The utility model discloses a double-inner-gearing small teeth difference planetary reducer supporting structure including an output annular gear, a planetary gear, an output shaft, and a casing. The casing is composed of a main casing, a front cover body, and a rear cover body, the output annular gear is jointed with the output shaft, the main casing, the front cover body and the rear cover body of the casing are in a one-body forming structure, the bearing hole of the planetary gear is a through hole which is an equal-diameter hole, a bearing and a groove are arranged in the through hole, and an elastic collar is arranged in the groove. The output annular gear and the output shaft are in a split structure to reduce the machining difficulties; the main casing, the front cover body and the rear cover body of the casing are in a one-body forming structure to reduce the possibility of oil leakage; and the bearing hole of the planetary gear is the equal-diameter hole, and the coaxiality of the bearing hole provided can be more easily ensured compared with a step hole in the prior art.
Description
Technical field
The utility model belongs to the technical field of transmission device, relates in particular to a kind of two interior engagement planetary speed reducer with small tooth number difference supporting structure.
Background technique
Two interior engagement planetary speed reducer with small tooth number difference design features are at present: 1, the input eccentric shaft is integrated type, puts two equilibrium blocks on it; 2, identical with the planet wheel number of teeth, the modulus fixed and output inner gear is meshed, be the common row star-wheel, the different gear of also expressing one's surprise, wonder, etc; 3, output inner gear and output shaft are integrated; 4, have the fixedly ring gear of independent manufacturing, be fixed on cover by straight pin; 5, casing is combined by main box body and front and back lid three parts of middle part with base; 6, forwardly on lid, locate by the axle sleeve on output shaft by its bearing with two identical bearings for output shaft.Trace it to its cause: 1, output inner gear and output shaft are integrated, and make inconvenience, particularly insert internal tooth processed and often are subject to the lathe restriction; 2, planet wheel bearings at both ends hole needs processing respectively, and its coaxality requires to be difficult for guaranteeing; 3, casing is to link with lid and casing at outlet side, and not only manufacturing process is complicated, has increased product cost, and affects the casing integral rigidity, and has increased the mating face of possibility leakage of oil; 4, do not establish suspension ring and drain oil, use inconvenience.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of two interior engagement planetary speed reducer with small tooth number difference supporting structure, and manufacturing process is oversimplified.
In order to solve the problems of the technologies described above, the utility model provides following technological scheme: a kind of two interior engagement planetary speed reducer with small tooth number difference supporting structures, comprise output inner gear, planet wheel, output shaft and casing, casing is comprised of the lid of main box body, front and back, the socket of described output inner gear and output shaft, the main box body of casing, the front and back lid structure that is formed in one, the bearing hole of planet wheel is through hole, described through hole is isometrical hole, is provided with bearing and groove in through hole, is provided with circlip in groove.
Compared with prior art, the utility model has the advantage of: 1, output inner gear and output shaft are split-type structural, have reduced difficulty of processing; 2, the main box body of casing, the front and back lid structure that is formed in one has reduced the possibility of leakage of oil; 3, the bearing hole of planet wheel is isometrical through hole, and with respect to former shoulder hole, its coaxality more easily guarantees.
Further, described casing is provided with suspension ring and drain oil, can conveniently promote and discharge waste oil.
Description of drawings
Below in conjunction with drawings and Examples, technical solutions of the utility model are further illustrated:
Fig. 1 is the two interior engagement planetary speed reducer with small tooth number difference supporting structure embodiments' of the utility model structural representation.
Embodiment
As shown in Figure 1, a kind of two interior engagement planetary speed reducer with small tooth number difference supporting structures of the utility model, comprise output inner gear 1, planet wheel 2, output shaft 3 and casing, casing is comprised of the lid 42 of main box body 41, front and back, described output inner gear 1 and output shaft 3 sockets, the main box body 41 of casing, front and back lid 42 structure that is formed in one, bearing 7 holes of planet wheel 2 are through hole 5, described through hole 5 is isometrical hole, is provided with bearing 7 and groove in through hole 5, is provided with circlip 6 in groove.Described casing is provided with suspension ring 8 and drain oil 9, can conveniently promote and discharge waste oil.
The utility model output inner gear 1 is split-type structural with output shaft 3, has reduced difficulty of processing; The main box body 41 of casing, front and back lid 42 structure that is formed in one has reduced the possibility of leakage of oil; Bearing 7 holes of planet wheel 2 are isometrical through hole 5, and with respect to former shoulder hole, its coaxality more easily guarantees.
For a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement, these also should be considered as protection domain of the present utility model, and these can not affect effect and practical applicability that the utility model is implemented.
Claims (2)
- One kind two in engagement planetary speed reducer with small tooth number difference supporting structure, comprise output inner gear, planet wheel, output shaft and casing, casing is comprised of the lid of main box body, front and back, it is characterized in that: described output inner gear and output shaft socket, the main box body of casing, the front and back lid structure that is formed in one, the bearing hole of planet wheel is through hole, described through hole is isometrical hole, be provided with bearing and groove in through hole, be provided with circlip in groove.
- As claimed in claim 1 two in engagement planetary speed reducer with small tooth number difference supporting structure, it is characterized in that: described casing is provided with suspension ring and drain oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603156 CN202992040U (en) | 2012-11-15 | 2012-11-15 | Double-inner-gearing small teeth difference planetary reducer supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603156 CN202992040U (en) | 2012-11-15 | 2012-11-15 | Double-inner-gearing small teeth difference planetary reducer supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992040U true CN202992040U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220603156 Expired - Fee Related CN202992040U (en) | 2012-11-15 | 2012-11-15 | Double-inner-gearing small teeth difference planetary reducer supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360274A (en) * | 2019-07-22 | 2019-10-22 | 孙金曦 | Planetary speed reducer with small tooth number difference |
-
2012
- 2012-11-15 CN CN 201220603156 patent/CN202992040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360274A (en) * | 2019-07-22 | 2019-10-22 | 孙金曦 | Planetary speed reducer with small tooth number difference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131115 |