CN202251788U - Small power transmission device - Google Patents
Small power transmission device Download PDFInfo
- Publication number
- CN202251788U CN202251788U CN2011202969539U CN201120296953U CN202251788U CN 202251788 U CN202251788 U CN 202251788U CN 2011202969539 U CN2011202969539 U CN 2011202969539U CN 201120296953 U CN201120296953 U CN 201120296953U CN 202251788 U CN202251788 U CN 202251788U
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- Prior art keywords
- gear
- rear axle
- shaft
- transmission shaft
- differential speed
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- Expired - Fee Related
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Abstract
The utility model relates to a small power transmission device, which comprises a speed changing box body. A clutch is arranged at the front portion of the speed changing box body and connected with an engine crankshaft, one end of the engine crankshaft close to the clutch is provided with a clutch chain wheel, and the clutch chain wheel is connected with a transmission shaft chain wheel on a transmission shaft arranged in the middle of the speed changing box body through a chain. A transmission shaft gear group is arranged on the transmission shaft, a middle shaft gear group is arranged in a middle shaft corresponding to the transmission shaft gear group, a speed changing drum is arranged above the middle shaft and the transmission shaft, and a first poking fork and a second poking fork are arranged on the speed changing drum. The middle shaft is meshed with a differential rear axle gear in a differential rear axle gear group through a third middle shaft gear, the differential rear axle gear group comprises a differential rear axle gear and a differential rear axle inner gear, the differential rear axle inner gear is meshed with a differential rear axle transmission shaft inner gear arranged on a differential rear axle transmission shaft, and the differential rear axle transmission shaft is connected with a rear wheel. The small power transmission device has the advantages of being small in transmission space and high in transmission efficiency.
Description
Technical field
The utility model relates to a kind of minitype motivation transmission device.
Background technique
The small-sized three-wheel of existing technology, four-wheel engine power driving mechanism all are through reverse gear, transmission shaft or sprocket wheel, chain power transmission, complex structure, and transmission efficiency is low, is difficult to satisfy existing small-sized three-wheel, four-wheel installation engine power transmission demand.
The model utility content
The purpose of the utility model provides a kind of minitype motivation transmission device, and it is complicated to overcome the existing product drive mechanism, the deficiency that transmission efficiency is low.
The purpose of the utility model is to realize through following technological scheme:
A kind of minitype motivation transmission device comprises gearbox casing, and the said gearbox casing outside is provided with gear shift cover; The gearbox casing front portion is provided with clutch, and clutch is connected with engine crankshaft, and engine crankshaft is provided with clutch sprocket near clutch one end; Clutch sprocket is connected with the transmission shaft sprocket wheel through chain; The transmission shaft sprocket wheel is arranged on transmission shaft one end at gearbox casing middle part, and the transmission shaft the other end is provided with the shaft gear group, and the shaft gear group comprises first shaft gear and second shaft gear; The corresponding countershaft-gear group that is provided with the shaft gear group on the jack shaft; The countershaft-gear group comprises first countershaft-gear, second countershaft-gear and the 3rd countershaft-gear, and jack shaft and transmission shaft top are provided with speed-changing drum, are respectively equipped with first shift fork and second shift fork corresponding to jack shaft and transmission shaft on the speed-changing drum; Jack shaft is connected with differential speed rear axle through the 3rd countershaft-gear; Differential speed rear axle comprises differential speed rear axle gear train and differential speed rear axle transmission shaft; The differential speed rear axle gear train comprises differential speed rear axle gear and differential speed rear axle internal gear, differential speed rear axle gear and the engagement of the 3rd countershaft-gear, differential speed rear axle internal gear and the engagement of differential speed rear axle transmission shaft internal gear; Differential speed rear axle transmission shaft internal gear is arranged on the differential speed rear axle transmission shaft, and the differential speed rear axle transmission shaft is connected with trailing wheel.
The beneficial effect of the utility model is: reasonable in design, simple in structure, through the engine crankshaft transmission drive shaft; Use transmission shaft transmission jack shaft again, use jack shaft transmission differential speed rear axle at last, thereby drive wheel; Compare with traditional transmission device; The transmission space is littler, has improved transmission efficiency, and is applied widely.
Description of drawings
According to accompanying drawing the utility model is done further explain below.
Fig. 1 is the decomposition texture schematic representation of the described minitype motivation transmission device of the utility model embodiment;
Fig. 2 is another decomposition texture schematic representation of the described minitype motivation transmission device of the utility model embodiment;
Fig. 3 is another decomposition texture schematic representation of the described minitype motivation transmission device of the utility model embodiment.
Among the figure:
1, gearbox casing; 101, gear shift cover; 2, clutch; 201, clutch sprocket; 3, engine crankshaft; 4, chain; 5, transmission shaft; 501, transmission shaft sprocket wheel; 502, shaft gear group; 5021, first shaft gear; 5022, second shaft gear; 6, jack shaft; 601, countershaft-gear group; 6011, first countershaft-gear; 6012, second countershaft-gear; 6013, the 3rd countershaft-gear; 7, speed-changing drum; 701, first shift fork; 702, second shift fork; 8, differential speed rear axle; 801, differential speed rear axle gear train; 8011, differential speed rear axle gear; 8012, differential speed rear axle internal gear; 802, differential speed rear axle transmission shaft.
Embodiment
Shown in Fig. 1-3; The described a kind of minitype motivation transmission device of the utility model embodiment; Comprise gearbox casing 1, said gearbox casing 1 outside is provided with gear shift cover 101, and gearbox casing 1 front portion is provided with clutch 2; Clutch 2 is connected with engine crankshaft 3; Engine crankshaft 3 is provided with clutch sprocket 201 near clutch 2 one ends, and clutch sprocket 201 is connected with transmission shaft sprocket wheel 501 through chain 4, and transmission shaft sprocket wheel 501 is arranged on transmission shaft 5 one ends at gearbox casing 1 middle part; Transmission shaft 5 the other ends are provided with shaft gear group 502; Shaft gear group 502 comprises first shaft gear 5021 and second shaft gear 5022, and with the shaft gear group 502 corresponding countershaft-gear groups 601 that are provided with, countershaft-gear group 601 comprises first countershaft-gear 6011, second countershaft-gear 6012 and the 3rd countershaft-gear 6013 on the jack shaft 6; Jack shaft 6 is provided with speed-changing drum 7 with transmission shaft 5 tops, is respectively equipped with first shift fork 701 and second shift fork 702 corresponding to jack shaft 6 and transmission shaft 5 on the speed-changing drum 7; Jack shaft 6 is connected with differential speed rear axle 8 through the 3rd countershaft-gear 6013; Differential speed rear axle 8 comprises differential speed rear axle gear train 801 and differential speed rear axle transmission shaft 802; Differential speed rear axle gear train 801 comprises differential speed rear axle gear 8011 and differential speed rear axle internal gear 8012; Differential speed rear axle gear 8011 and 6013 engagements of the 3rd countershaft-gear; Differential speed rear axle internal gear 8012 and the engagement of differential speed rear axle transmission shaft internal gear, differential speed rear axle transmission shaft internal gear is arranged on the differential speed rear axle transmission shaft 802, and differential speed rear axle transmission shaft 802 is connected with trailing wheel.
During use, at first ato unit drives engine crankshaft 3 and rotates, when motor reaches certain rotating speed; Use clutch 2, clutch sprocket 201 drives transmission shaft sprocket wheel 501 through chain 4 and rotates, and transmission shaft sprocket wheel 501 drives transmission shaft 5 and rotates; Transmission shaft 5 drives shaft gear group 502 and rotates; Shaft gear group 502 drives countershaft-gear group 601 and rotates, and the 3rd countershaft-gear 6013 in the countershaft-gear group 601 drives differential speed rear axle gear 8011 and rotates, and differential speed rear axle gear 8011 drives differential speed rear axle internal gear 8012 and rotates; Differential speed rear axle internal gear 8012 drives differential speed rear axle transmission shaft internal gear and rotates; Differential speed rear axle transmission shaft internal gear drives differential speed rear axle transmission shaft 802 and rotates, and the trailing wheel that last differential speed rear axle transmission shaft 802 drives vehicle rotates, thereby makes vehicle driving.Wherein, Stir speed-changing drum 7 rotations in the process of moving and can drive first shift fork 701 and 702 motions of second shift fork; First shift fork 701 and the motion of second shift fork 702 make first shaft gear 5021 drive jack shaft 6 with second countershaft-gear 6012 with the various combination engagement with first countershaft-gear 6011 with second shaft gear 5022 and rotate with different rotating speeds, thereby the realization change keeps off and reverses gear.
The utility model embodiment described minitype motivation transmission device has solved conventional transmission device because of problem such as complex structure, the mechanical efficiency of selecting for use transmission shaft or sprocket wheel chain structure to exist be not high, and is reasonable in design, simple in structure; Through the engine crankshaft transmission drive shaft, use transmission shaft transmission jack shaft again, use jack shaft transmission differential speed rear axle at last; Thereby drive wheel; Make that the transmission space is littler, improved transmission efficiency, applied widely.
The utility model is not limited to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a application or akin technological scheme, all drops within the protection domain of the utility model.
Claims (1)
1. minitype motivation transmission device; Comprise gearbox casing (1); Gearbox casing (1) outside is provided with gear shift cover (101); It is characterized in that: gearbox casing (1) front portion is provided with clutch (2); Clutch (2) is connected with engine crankshaft (3); Engine crankshaft (3) is provided with clutch sprocket (201) near clutch (2) one ends, and clutch sprocket (201) is connected with transmission shaft sprocket wheel (501) through chain (4), and transmission shaft sprocket wheel (501) is arranged at an end of the transmission shaft (5) at gearbox casing (1) middle part; Transmission shaft (5) the other end is provided with shaft gear group (502); Shaft gear group (502) comprises first shaft gear (5021) and second shaft gear (5022), and jack shaft (6) is gone up the corresponding countershaft-gear group (601) that is provided with shaft gear group (502), and countershaft-gear group (601) comprises first countershaft-gear (6011), second countershaft-gear (6012) and the 3rd countershaft-gear (6013); Jack shaft (6) and transmission shaft (5) top are provided with speed-changing drum (7), and speed-changing drum (7) goes up and is respectively equipped with first shift fork (701) and second shift fork (702) corresponding to jack shaft (6) and transmission shaft (5); Jack shaft (6) is connected with differential speed rear axle (8) through the 3rd countershaft-gear (6013); Differential speed rear axle (8) comprises differential speed rear axle gear train (801) and differential speed rear axle transmission shaft (802); Differential speed rear axle gear train (801) comprises differential speed rear axle gear (8011) and differential speed rear axle internal gear (8012); Differential speed rear axle gear (8011) and the 3rd countershaft-gear (6013) engagement; Differential speed rear axle internal gear (8012) and the differential speed rear axle transmission shaft internal gear engagement that is arranged on the differential speed rear axle transmission shaft (802), differential speed rear axle transmission shaft (802) is connected with trailing wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202969539U CN202251788U (en) | 2011-08-16 | 2011-08-16 | Small power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202969539U CN202251788U (en) | 2011-08-16 | 2011-08-16 | Small power transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251788U true CN202251788U (en) | 2012-05-30 |
Family
ID=46113033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202969539U Expired - Fee Related CN202251788U (en) | 2011-08-16 | 2011-08-16 | Small power transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165240A (en) * | 2015-09-24 | 2015-12-23 | 上海坤孚企业(集团)有限公司 | Traveling wheel driving structure of vegetable harvester |
-
2011
- 2011-08-16 CN CN2011202969539U patent/CN202251788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165240A (en) * | 2015-09-24 | 2015-12-23 | 上海坤孚企业(集团)有限公司 | Traveling wheel driving structure of vegetable harvester |
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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: 20120530 Termination date: 20140816 |
|
| EXPY | Termination of patent right or utility model |