CN203082134U - Speed change mechanism - Google Patents
Speed change mechanism Download PDFInfo
- Publication number
- CN203082134U CN203082134U CN 201220723056 CN201220723056U CN203082134U CN 203082134 U CN203082134 U CN 203082134U CN 201220723056 CN201220723056 CN 201220723056 CN 201220723056 U CN201220723056 U CN 201220723056U CN 203082134 U CN203082134 U CN 203082134U
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- CN
- China
- Prior art keywords
- gear
- planet carrier
- shell
- input shaft
- pinion
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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 speed change mechanism which comprises an input device, an output device, an outer shell and a planetary gear mechanism installed in the outer shell, the planetary gear mechanism comprises a planet carrier and planetary gears, the planet carrier is fixedly installed inside the outer shell, the planetary gears are installed on the planet carrier, and the input device is connected with the output device through the planetary gear mechanism. The speed change mechanism can achieve output of different speeds through left-and-right movement of an output shaft. Compared with traditional gear set speed change, the speed change mechanism is compact in structure and simple to operate, and saves production cost. As a counter gear is added, reversing motions of vehicles and the like can be achieved, requirements in the running process of the vehicles can be met, and the speed change mechanism is more humanized.
Description
Technical field
The utility model relates to a kind of gear, relates in particular to a kind of gear of multi-gear transmission.
Background technique
Bicycle, automobile or other vehicles are the means of transportation in people's daily life, have at least one speed change gear usually, are used for the gear shift control of vehicle driving.
In the known prior art, the power of motor car engine is through clutch, speed changer, transmission shaft, is sent to differential mechanism at last and distributes to the semiaxis driving wheel about again.
Traditional speed changer adopts gear train, and the number of teeth of the gear train of every retaining is fixed, so the gear ratio of each retaining is a definite value (just so-called " level ").Belong to step change transmission.When adopting a speed changer to realize speed governing, because the number of teeth of every retaining is fixed, if want to realize multi-gear transmission, then need adjust increases the gear train number, and structure is complicated, inconvenience is installed, and user cost is higher, also is not easy to maintenance.
In addition, there is not the function of reversing gear and oppositely exporting in general speed variator system, and has the narrow limitation of the way of output.
Therefore, a kind ofly can realize a plurality of gear speed changes, simple in structure, easy for installation, the speed change gear that user cost is lower is demanded urgently occurring.
The model utility content
The purpose of this utility model is to overcome the defective that prior art exists, and a kind of gear of multi-gear transmission is provided.
The technological scheme that realizes the utility model purpose is: a kind of gear, comprise input device, output unit, shell and be installed on the interior planetary gears of described shell, described planetary gears comprises planet carrier and planetary pinion, described planet carrier is fixedly set in described enclosure, described planet carrier is provided with described planetary pinion, and described input device is connected with described output unit by planetary gears.
Preferably, described shell one side internal fixation is provided with the shell ring gear, and described shell is the hollow circular cylinder shape.
Described shell ring gear and described shell are one-body molded.
Preferably, described planetary pinion comprises primary planet pinion and the secondary planetary gear that is arranged at described planet carrier two ends respectively, is provided with the planet carrier ring gear in the middle of the described planet carrier.
Preferably, described primary planet pinion is fixedly set in described planet carrier one end by gear shaft, described primary planet pinion and described shell ring gear are connected with a joggle, and described secondary planetary gear is arranged on the described shell by gear shaft, and are connected with a joggle with the ring gear of the planet carrier the other end
Preferably, described input device comprises input shaft, and described input shaft and described primary planet pinion are connected with a joggle.
Preferably, described input shaft is provided with input shaft external gear and input shaft internal spline, and described input shaft external gear and described primary planet pinion are complementary.
Preferably, also comprise counter gear, the external gear of described counter gear and described secondary planetary gear are connected with a joggle.
Preferably, described output unit comprises output shaft, and described output shaft is provided with the output shaft external splines, and the internal spline of described output shaft external splines and described counter gear, planet carrier internal spline, input shaft internal spline are complementary.
The utlity model has positive effect: (1) can realize the output of different rotating speeds by the move left and right of output shaft, compared to traditional gear train speed change, and compact structure, simple to operate, saved cost of production;
(2) increase counter gear, can realize the action of reversing gear of vehicle etc., satisfied the demand in the vehicle driving process, more hommization.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is a structural representation of the present utility model.
Wherein: 1, output shaft, 2, the output shaft external splines, 3, counter gear, 4, gear shaft, 5, secondary planetary gear, 6, shell, 7, planet carrier, 8, planet carrier internal spline, 9, shell ring gear, 10, primary planet pinion, 11, the input shaft external gear, 12, input shaft internal spline, 13, input shaft.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of gear, comprise input device, output unit, shell 6 and be installed on planetary gears in the described shell 6, planetary gears comprises planet carrier 7 and planetary pinion, planet carrier 7 is fixedly set in described shell 6 inside, planet carrier 7 is provided with described planetary pinion, and input device is connected with output unit by planetary gears.
In the above-mentioned gear, shell 6 is the hollow circular cylinder shape, and shell 6 one side internal fixation are provided with shell ring gear 9, and shell ring gear 9 is one-body molded with shell 6, and processing is simple.
Planetary pinion comprises primary planet pinion 10 and the secondary planetary gear 5 that is arranged at planet carrier 7 two ends respectively, be provided with planet carrier internal spline 8 in the middle of the planet carrier 7, primary planet pinion 10 is fixedly set in planet carrier 7 one ends by gear shaft 4, and be connected with a joggle with shell ring gear 9, secondary planetary gear 5 is arranged on the shell 6 by gear shaft 4, and is connected with a joggle with the ring gear of planet carrier 7 the other ends.
Input device comprises input shaft 13, and input shaft 13 is provided with input shaft external gear 11 and input shaft internal spline 12, and input shaft 13 is connected with a joggle by input shaft external gear 11 and primary planet pinion 10.
Output unit comprises output shaft 1, output shaft 1 is provided with output shaft external splines 2, and output shaft external splines 2 is complementary output shaft 1 move left and right with planet carrier internal spline 8, input shaft internal spline 12, can be connected with planet carrier internal spline 8 or input shaft internal spline 12 respectively, thereby regulate the rotating speed of exporting.
One retaining: the output shaft external splines 2 of output shaft 1 is connected with input shaft internal spline 12, and input shaft 13 directly drives output shaft 1 and rotates, and output speed equates with input speed.
Two retainings: the output shaft external splines 2 of output shaft 1 is connected with planet carrier internal spline 8, input shaft 13 drives primary planet pinion 10 by input shaft external gear 11 and rotates, primary planet pinion 10 drives planet carrier 7 and rotates, rotate thereby drive output shaft 1, be output as deceleration, can realize the output of different rotating speeds by the move left and right of output shaft 1, compared to traditional gear train speed change, compact structure, simple to operate, saved cost of production.
Embodiment 2
As preferred embodiment, all the other are identical with embodiment, and difference is, also comprises counter gear 3, and the external gear of counter gear 3 and secondary planetary gear 5 are connected with a joggle, and the internal spline of counter gear 3 and output shaft external splines 2 are complementary.
Reverse gear: the output shaft external splines 2 of output shaft 1 is connected with the internal spline of counter gear 3, input shaft 13 drives primary planet pinion 10 by input shaft external gear 11 and rotates, primary planet pinion 10 drives planet carrier 7 and rotates, planet carrier 7 drives the secondary planetary gear 5 that is connected with planet carrier ring gear 8 and rotates, secondary planetary gear 5 drives counter gears 3 and rotates, thereby drives output shaft 1 counter-rotating, can realize the action of reversing gear of vehicle etc., satisfy the demand in the vehicle driving process, more hommization.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. gear, it is characterized in that: comprise input device, output unit, shell and be installed on the interior planetary gears of described shell, described planetary gears comprises planet carrier and planetary pinion, described planet carrier is fixedly set in described enclosure, described planet carrier is provided with described planetary pinion, and described input device is connected with described output unit by planetary gears.
2. gear according to claim 1 is characterized in that: described shell one side internal fixation is provided with the shell ring gear, and described shell is the hollow circular cylinder shape.
3. gear according to claim 2 is characterized in that: described shell ring gear and described shell are one-body molded.
4. according to claim 2 or 3 described gears, it is characterized in that: described planetary pinion comprises primary planet pinion and the secondary planetary gear that is arranged at described planet carrier two ends respectively, is provided with the planet carrier internal spline in the middle of the described planet carrier.
5. gear according to claim 4, it is characterized in that: described primary planet pinion is fixedly set in described planet carrier one end by gear shaft, described primary planet pinion and described shell ring gear are connected with a joggle, described secondary planetary gear is arranged on the described shell by gear shaft, and is connected with a joggle with the ring gear of the planet carrier the other end.
6. gear according to claim 4 is characterized in that: described input device comprises input shaft, and described input shaft and described primary planet pinion are connected with a joggle.
7. gear according to claim 6 is characterized in that: described input shaft is provided with input shaft external gear and input shaft internal spline, and described input shaft external gear and described primary planet pinion are complementary.
8. gear according to claim 4 is characterized in that: also comprise counter gear, the external gear of described counter gear and described secondary planetary gear are connected with a joggle.
9. according to arbitrary described gear in the claim 2,3,6,7, it is characterized in that: described output unit comprises output shaft, described output shaft is provided with the output shaft external splines, and the internal spline of described output shaft external splines and described counter gear, planet carrier internal spline, input shaft internal spline are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723056 CN203082134U (en) | 2012-12-25 | 2012-12-25 | Speed change mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723056 CN203082134U (en) | 2012-12-25 | 2012-12-25 | Speed change mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082134U true CN203082134U (en) | 2013-07-24 |
Family
ID=48827975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220723056 Expired - Fee Related CN203082134U (en) | 2012-12-25 | 2012-12-25 | Speed change mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899717A (en) * | 2012-12-25 | 2014-07-02 | 张家港市九鼎机械有限公司 | Speed changing mechanism |
| CN103899718A (en) * | 2014-04-22 | 2014-07-02 | 瞿庆涛 | Speed change device of motor vehicle |
-
2012
- 2012-12-25 CN CN 201220723056 patent/CN203082134U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899717A (en) * | 2012-12-25 | 2014-07-02 | 张家港市九鼎机械有限公司 | Speed changing mechanism |
| CN103899718A (en) * | 2014-04-22 | 2014-07-02 | 瞿庆涛 | Speed change device of motor vehicle |
| CN103899718B (en) * | 2014-04-22 | 2016-03-30 | 瞿庆涛 | The speed change gear of Motor Vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |