CN202946625U - Mechanical transmission - Google Patents
Mechanical transmission Download PDFInfo
- Publication number
- CN202946625U CN202946625U CN 201220571508 CN201220571508U CN202946625U CN 202946625 U CN202946625 U CN 202946625U CN 201220571508 CN201220571508 CN 201220571508 CN 201220571508 U CN201220571508 U CN 201220571508U CN 202946625 U CN202946625 U CN 202946625U
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- Prior art keywords
- gear
- synchronizer
- shaft
- sliding
- input shaft
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- Expired - Lifetime
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Abstract
The utility model relates to a manual mechanical speed-changing device which is provided with six forward gears and one reverse gear, and the manual mechanical speed-changing device is used for rear wheel driving vehicles. The mechanical transmission includes a shell body, an input shaft, an output shaft, an intermediate shaft and a sliding shaft. A first gear, a second gear and a third gear are fixed on the input shaft, and the input shaft is further provided with a fourth gear, a fifth gear and a sixth gear through a bearing. The input shaft is further provided with a second synchronizer and a third synchronizer; a seventh gear, an eighth gear, a ninth gear and a tenth gear are fixed on the intermediate shaft. An eleventh gear and a twelfth gear are fixed on the intermediate shaft through the bearing. The intermediate shaft is further provided with a first synchronizer and a thirteenth gear is fixed on the output shaft. The sliding gear is fixed on the sliding shaft in a sliding mode. The first gear is meshed with the eleventh gear, the third gear is meshed with the twelfth gear, the fourth gear is meshed with the seventh gear, and the fifth gear is meshed with the eighth gear; the sixth gear is meshed with the ninth gear, and the thirteenth gear is meshed with the tenth gear. The transmission is provided with six gears, and can be suitable for mountain area heavy load working condition and plain working condition.
Description
Technical field
The utility model relates to a kind of speed change gear, particularly relates to a kind of Manual mechanical speed change gear with six forward gearss and a reverse gear for rear wheel drive vehicle.
Background technique
The conventional gear box that automobile with small output volumn mates of rear wheel drive is the speed changer with five forward gearss and a reverse gear at present.It has oil consumption relatively high, and power character is bad under the severe duty of mountain area, the defective such as not high and shift property is bad in plains region speed.Produce these defectives former because Transmission gear causes between gear speed ratio larger less, one grade of velocity ratio is relatively less than normal, and five grades of velocity ratios are relatively bigger than normal.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of compact structure, volume is little, transmission efficiency is high mechanical transmission, this speed changer has six forward gearss and a reverse gear, can be applicable to preferably mountain area severe duty and Plain operating mode, overcome the deficiency of former shifting of transmission poor performance.
the utility model mechanical transmission, comprise housing, input shaft, output shaft, jack shaft and sliding axle, input shaft, output shaft, jack shaft and sliding axle all are arranged on housing by bearing, input shaft, output shaft, the axis of jack shaft and sliding axle is parallel to each other, be installed with the first gear on input shaft, the second gear and the 3rd gear, also by bearing, the 4th gear is installed on input shaft, the 5th gear and the 6th gear, the second synchronizer and the 3rd synchronizer also are installed on input shaft, the second synchronizer is between the 4th gear and the 5th gear, the 3rd synchronizer is positioned at the 6th gear right side, be installed with the 7th gear on jack shaft, the octadentate wheel, the 9th gear and the tenth gear, also by bearing, the 11 gear and the 12 gear are installed on jack shaft, the first synchronizer also is installed on jack shaft, the first synchronizer is between the 11 gear and the 12 gear, be installed with the 13 gear on output shaft, sliding gear is installed on sliding axle slidably, the 4th gear, the right side of the 6th gear and the 11 gear is provided with synchronously in conjunction with gear ring, the 5th gear, the left side of the 13 gear and the 12 gear is provided with synchronously in conjunction with gear ring, the first gear and the engagement of the 11 gear, the 3rd gear and the engagement of the 12 gear, the 4th gear and the engagement of the 7th gear, the 5th gear and the engagement of octadentate wheel, the 6th gear and the engagement of the 9th gear, the 13 gear and the engagement of the tenth gear, state the first synchronizer, the second synchronizer, be provided with selector fork on the 3rd synchronizer, also be provided with on sliding gear and stir the selector fork that sliding gear slides on sliding axle, be provided with external toothing on the engaging sleeve of the first synchronizer, external toothing can be by sliding gear and the engagement of the second gear.
The utility model mechanical transmission, wherein said the first gear, the second gear, the 3rd gear and input shaft are one-body molded, and the 7th gear, octadentate wheel, the 9th gear, the tenth gear and jack shaft are one-body molded, and the 13 gear and output shaft are one-body molded.
The utility model mechanical transmission, wherein said the 4th gear, the 5th gear, the 6th gear are arranged on input shaft by needle bearing, the 11 gear, the 12 gear are arranged on jack shaft by needle bearing, and sliding gear is arranged on sliding axle by linear bearing.
The utility model mechanical transmission, wherein said housing are linked in sequence successively by left box body, middle casing and right case and form.
The utility model mechanical transmission difference from prior art is that the utility model realized six forward gearss and a reverse gear by three synchronizers are set, take full advantage of the clearance spaces of former five speed transmission, make the speed changer volume and weight not occur in the situation of larger variation, strengthened variable speed capability, can be applicable to preferably mountain area severe duty and Plain operating mode, overcome the deficiency of former shifting of transmission poor performance.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the revolved sectional view of the utility model mechanical transmission.
Embodiment
As shown in Figure 1, the utility model mechanical transmission comprises housing 1, input shaft 2, output shaft 3, jack shaft 4 and sliding axle 5, input shaft 2, output shaft 3, jack shaft 4 and sliding axle 5 all are arranged on housing 1 by bearing, and housing 1 is linked in sequence successively by left box body 25, middle casing 26 and right case 27 and forms.The axis of input shaft 2, output shaft 3, jack shaft 4 and sliding axle 5 is parallel to each other.
Be installed with the first gear 6, the second gear 7 and the 3rd gear 8 on input shaft 2, the first gear 6, the second gear 7, the 3rd gear 8 are formed in one with input shaft 2, also by bearing, the 4th gear 9, the 5th gear 10 and the 6th gear 11 are installed on input shaft 2, its middle (center) bearing adopts needle bearing.The second synchronizer 20 and the 3rd synchronizer 21, the second synchronizers 20 also are being installed on input shaft 2 between the 4th gear 9 and the 5th gear 10, the 3rd synchronizer 21 is positioned at the 6th gear 11 right sides.
Be installed with the 7th gear 12, octadentate wheel the 13, the 9th gear 14 and the tenth gear 15 on jack shaft 4, the 7th gear 12, octadentate wheel the 13, the 9th gear 14, the tenth gear 15 are formed in one with jack shaft 4, also by bearing, the 11 gear 16 and the 12 gear 17 are installed on jack shaft 4, its middle (center) bearing adopts needle bearing.The first synchronizer 19, the first synchronizers 19 also are being installed on jack shaft 4 between the 11 gear 16 and the 12 gear 17.
Wherein the right side of the 4th gear 9, the 6th gear 11 and the 11 gear 16 is provided with synchronously in conjunction with gear ring, and the left side of the 5th gear 10, the 13 gear 18 and the 12 gear 17 is provided with synchronously in conjunction with gear ring.
Being installed with the 13 gear 18, the 13 gears 18 on output shaft 3 is formed in one with output shaft.Sliding gear 23 is installed on sliding axle 5 slidably, and sliding gear 23 is arranged on sliding axle 5 by linear bearing.The first gear 6 and the 11 gear 16 engagements, the 3rd gear 8 and the 12 gear 17 engagements, the 4th gear 9 and the 7th gear 12 engagements, the 5th gear 10 and 13 engagements of octadentate wheel, the 6th gear 11 and the 9th gear 14 engagements, the 13 gear 18 and the tenth gear 15 engagements.Be provided with selector fork 22 on the first synchronizer 19, the second synchronizer 20, the 3rd synchronizer 21, also be provided with on sliding gear 23 and stir the selector fork that sliding gear 23 slides on sliding axle 5, be provided with external toothing 24 on the engaging sleeve of the first synchronizer 19, external toothing 24 can be by sliding gear 23 and the second gear 7 engagements.
The gear shift process of this mechanical transmission is as follows:
In the time of one grade, selector fork 22 slides and the synchronizeing in conjunction with the gear ring combination of the 11 gear 16 engaging sleeve with ring gear of the first synchronizer 19 left, with the first gear 6 on the input shaft 2 of the 11 gear 16 engagement, power is passed to the 11 gear 16, the 11 gear 16 is passed to jack shaft 4 by the first synchronizer 19 with power, jack shaft 4 is passed to output shaft 3 by the tenth gear 15 on it with power, reaches the purpose of one grade of rotating speed of output and moment of torsion.
During second gear, selector fork 22 slides and the synchronizeing in conjunction with the gear ring combination of the 12 gear 17 engaging sleeve with ring gear of the first synchronizer 19 to the right, with the 3rd gear 8 on the input shaft 2 of the 12 gear 17 engagement, power is passed to the 12 gear 17, the 12 gear 17 is passed to jack shaft 4 by synchronizer with power, jack shaft 4 is passed to output shaft 3 by the tenth gear 15 on it with power, reaches the purpose of output second gear rotating speed and moment of torsion.
During third gear, selector fork 22 slides and the synchronizeing in conjunction with the gear ring combination of the 4th gear 9 engaging sleeve with ring gear of the second synchronizer 20 left, input shaft 2 is passed to the 4th gear 9 by the second synchronizer 20 with power, with the 7th gear 12 on the jack shaft 4 of the 4th gear 9 engagement, power is passed to jack shaft 4, jack shaft 4 is passed to output shaft 3 by the tenth gear 15 on it with power, reaches the purpose of output third gear rotating speed and moment of torsion.
During fourth gear, selector fork 22 slides and the synchronizeing in conjunction with the gear ring combination of the 5th gear 10 engaging sleeve with ring gear of the second synchronizer 20 to the right, input shaft 2 is passed to the 5th gear 10 by the second synchronizer 20 with power, with the octadentate wheel 13 on the jack shaft 4 of the 5th gear 10 engagement, power is passed to jack shaft 4, jack shaft 4 is passed to output shaft 3 by the tenth gear 15 on it with power, reaches the purpose of output fourth gear rotating speed and moment of torsion.
In the time of five grades, selector fork 22 make the 3rd synchronizer 21 with the engaging sleeve of ring gear slide to the right with output shaft 3 on the synchronizeing in conjunction with the gear ring combination of the 13 gear 18, input shaft 2 is passed to output shaft 3 by the 3rd synchronizer 21 with power, reaches the purpose of five grades of rotating speeds of output and moment of torsion.
In the time of six grades, selector fork 22 slides and the synchronizeing in conjunction with the gear ring combination of the 6th gear 11 engaging sleeve with ring gear of the 3rd synchronizer 21 left, input shaft 2 is passed to the 6th gear 11 by the 3rd synchronizer 21 with power, with the 9th gear 14 on the jack shaft 4 of the 6th gear 11 engagement, power is passed to jack shaft 4, jack shaft 4 is passed to output shaft 3 by the tenth gear 15 on it with power, reaches the purpose of six grades of rotating speeds of output and moment of torsion.
During reverse gear, sliding gear 23 slide to the right with input shaft 2 on the second gear 7 and external toothing 24 engagements of the engaging sleeve of the first synchronizer 19, input shaft 2 is passed to sliding gear 23 by the first synchronizer 19 with power, sliding gear 23 is passed to jack shaft 4 with power, jack shaft 4 is passed to output shaft 3 by the tenth gear 15 of the normal engagement on it with power, reaches the purpose of output reverse gear rotating speed and moment of torsion.
First, second, third synchronizer in the present invention has all that tooth is firm, engaging sleeve, slide block, spring and synchronizing ring; And, be arranged in the first synchronizer sleeve on jack shaft with external tooth.
The utility model mechanical synchronous transmission is compared with five speed transmission commonly used, in the situation that synchronizer quantity does not change, has increased a pair of gear pair and has realized six forward gearss.Take full advantage of the clearance spaces of former five speed transmission, this just makes the speed changer volume and weight not occur in the situation of larger variation, increased functionality, thus reach the design object of lightweight and Economy.The utility model adapts to national energy-saving and reduces discharging policy and phase III fuel economy regulation requirement, has reduced the comprehensive oil consumption of institute's coupling automobile, has increased driver's gear shift travelling comfort.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (4)
1. mechanical transmission, it is characterized in that: comprise housing (1), input shaft (2), output shaft (3), jack shaft (4) and sliding axle (5), described input shaft (2), output shaft (3), jack shaft (4) and sliding axle (5) all are arranged on housing (1) by bearing, described input shaft (2), output shaft (3), the axis of jack shaft (4) and sliding axle (5) is parallel to each other, be installed with the first gear (6) on described input shaft (2), the second gear (7) and the 3rd gear (8), also by bearing, the 4th gear (9) is installed on described input shaft (2), the 5th gear (10) and the 6th gear (11), the second synchronizer (20) and the 3rd synchronizer (21) also are installed on input shaft (2), described the second synchronizer (20) is positioned between the 4th gear (9) and the 5th gear (10), the 3rd synchronizer (21) is positioned at the 6th gear (11) right side,
Be installed with the 7th gear (12), octadentate wheel (13), the 9th gear (14) and the tenth gear (15) on jack shaft (4), also by bearing, the 11 gear (16) and the 12 gear (17) are installed on jack shaft (4), the first synchronizer (19) also is installed on jack shaft (4), described the first synchronizer (19) is positioned between the 11 gear (16) and the 12 gear (17)
be installed with the 13 gear (18) on output shaft (3), sliding gear (23) is installed on sliding axle (5) slidably, described the 4th gear (9), the right side of the 6th gear (11) and the 11 gear (16) is provided with synchronously in conjunction with gear ring, described the 5th gear (10), the left side of the 13 gear (18) and the 12 gear (17) is provided with synchronously in conjunction with gear ring, described the first gear (6) and the 11 gear (16) engagement, the 3rd gear (8) and the 12 gear (17) engagement, the 4th gear (9) and the 7th gear (12) engagement, the 5th gear (10) and octadentate wheel (13) engagement, the 6th gear (11) and the 9th gear (14) engagement, the 13 gear (18) and the tenth gear (15) engagement,
Be provided with selector fork (22) on described the first synchronizer (19), the second synchronizer (20), the 3rd synchronizer (21), also be provided with on described sliding gear (23) and stir sliding gear (23) at the upper selector fork (22) that slides of sliding axle (5), be provided with external toothing (24) on the engaging sleeve of described the first synchronizer (19), described external toothing (24) can pass through sliding gear (23) and the second gear (7) engagement.
2. mechanical transmission according to claim 1, it is characterized in that: described the first gear (6), the second gear (7), the 3rd gear (8) and input shaft (2) are one-body molded, described the 7th gear (12), octadentate wheel (13), the 9th gear (14), the tenth gear (15) and jack shaft (4) are one-body molded, and described the 13 gear (18) is one-body molded with output shaft.
3. mechanical transmission according to claim 2, it is characterized in that: described the 4th gear (9), the 5th gear (10), the 6th gear (11) are arranged on input shaft (2) by needle bearing, described the 11 gear (16), the 12 gear (17) are arranged on jack shaft (4) by needle bearing, and described sliding gear (23) is arranged on sliding axle (5) by linear bearing.
4. mechanical transmission according to claim 3, it is characterized in that: described housing (1) is linked in sequence successively by left box body (25), middle casing (26) and right case (27) and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571508 CN202946625U (en) | 2012-11-01 | 2012-11-01 | Mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571508 CN202946625U (en) | 2012-11-01 | 2012-11-01 | Mechanical transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946625U true CN202946625U (en) | 2013-05-22 |
Family
ID=48422329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571508 Expired - Lifetime CN202946625U (en) | 2012-11-01 | 2012-11-01 | Mechanical transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946625U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747623A (en) * | 2017-11-22 | 2018-03-02 | 南京越博动力系统股份有限公司 | A kind of pure electric automobile transmission system |
| CN109681589A (en) * | 2019-03-06 | 2019-04-26 | 重庆茂捷汽车变速器有限公司 | A kind of automobile gears speed changer |
| CN109764094A (en) * | 2019-03-06 | 2019-05-17 | 重庆茂捷汽车变速器有限公司 | A kind of automobile transmission axis |
-
2012
- 2012-11-01 CN CN 201220571508 patent/CN202946625U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747623A (en) * | 2017-11-22 | 2018-03-02 | 南京越博动力系统股份有限公司 | A kind of pure electric automobile transmission system |
| CN109681589A (en) * | 2019-03-06 | 2019-04-26 | 重庆茂捷汽车变速器有限公司 | A kind of automobile gears speed changer |
| CN109764094A (en) * | 2019-03-06 | 2019-05-17 | 重庆茂捷汽车变速器有限公司 | A kind of automobile transmission axis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
|
| CX01 | Expiry of patent term |