CN103629336A - Vehicle reverse mechanism - Google Patents
Vehicle reverse mechanism Download PDFInfo
- Publication number
- CN103629336A CN103629336A CN201310677035.4A CN201310677035A CN103629336A CN 103629336 A CN103629336 A CN 103629336A CN 201310677035 A CN201310677035 A CN 201310677035A CN 103629336 A CN103629336 A CN 103629336A
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- Prior art keywords
- gear
- reverse
- reverse gear
- axle
- output
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
Abstract
The invention discloses a vehicle reverse mechanism. A reverse driven gear (4) is fixedly sleeved on a reverse gear shaft (2) and is normally engaged with an input gear (6); a reverse drive gear (5) is also sleeved on the reverse gear shaft (2); the reverse drive gear (5) is sleeved on the reverse gear shaft (2) through a spline; a reverse swinging arm bracket assembly (7) is arranged outside the reverse drive gear (5); after the reverse swinging arm bracket assembly (7) stirs the reverse drive gear (5) to move along the axial direction of the reverse gear shaft (2), the reverse gear shaft (2) is engaged with a gear sleeve on an output gear synchronizer (8). According to the vehicle reverse mechanism, one conventional reverse gear is replaced by two reverse gears, so that the impact force when the reverse gears are engaged is reduced; meanwhile, the vehicle reverse mechanism also has the characteristics of low manufacturing cost, high safety and stability and the like.
Description
Technical field
The present invention relates to automotive field, particularly relate to a kind of new automobile reverse gear structure.
Background technique
Reverse gear is to realize the gear of back of automobile function, in gearbox, input shaft and output shaft are housed, on input shaft, are set with input gear, on output shaft, be set with output gear synchronizer, on output gear synchronizer, be set with output gear, when normally travelling, input shaft drives input gear to rotate, and input gear and output gear are normal engagement, now output gear is for being solidly set on synchronizer, thereby drives output shaft rotation transferring power.The reverse gear mechanism of common employing is in gearbox, to be provided with reverse gear axle on the market at present, the two ends of this reverse gear axle are all solidly set in gear box casing, on this reverse gear axle, kink has a reverse gear, in gearbox, being provided with reverse speed fork drives reverse gear swing arm to swing, thereby drive reverse gear to move axially along reverse gear axle, reverse gear is meshed with output gear synchronizer and input shaft simultaneously, now output gear is that kink is on synchronizer, power just passes to reverse gear from input shaft, pass to again output shaft, reach the object of reverse gear.This structure of reversing gear is meshed with output gear synchronizer and input shaft because reverse gear needs the while when reverse gear, easily causes beating the situations such as tooth, de-tooth and occurs, and affects vehicle safety travel.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of new reverse gear mechanism, when reverse gear gear shift, reduces the collision of reverse gear.
Technological scheme of the present invention is as follows: a kind of automotive reverse gear mechanism, comprise the input shaft (1) and the reverse gear axle (2) that are set in parallel in gear box casing, on this input shaft (1), be installed with input gear (6), and this input gear (6) keeps normal engagement with the output gear (9) of corresponding gear, this output gear (9) is sleeved on corresponding output shelves synchronizer assembly (8), it is characterized in that: on described reverse gear axle (2), be installed with reverse gear driven gear (4), this reverse gear driven gear (4) keeps normal engagement with input gear (6), on described reverse gear axle (2), be also set with reverse driving gear (5), this reverse driving gear (5) by spline package on reverse gear axle (2), in this reverse driving gear (5) arranged outside, there is reverse gear oscillating arm bracket assembly (7), after described reverse gear oscillating arm bracket assembly (7) is stirred reverse driving gear (5) and is moved axially along reverse gear axle (2), this reverse gear axle (2) is meshed with the tooth cover on output shelves synchronizers (8).
Adopt the reverse gear mechanism of said structure, when normally travelling, input shaft drives input gear to rotate, input gear and output gear are normal engagement, now output gear, for being solidly set on output shelves synchronizer assembly, because output shelves synchronizer assembly assembly is that spline is solidly set on output shaft, thereby drives output shaft rotation transferring power, now input gear drives the rotation of reverse gear driven gear, and reverse gear driven gear drives reverse gear axle and reverse driving gear idle running.When needs reverse gear, reverse gear swing arm swings to stir reverse driving gear and moves axially along reverse gear axle, reverse driving gear is meshed with the tooth cover on output shelves synchronizer synchronizer, stir output shelves synchronizer assembly simultaneously, make output gear kink on output shelves synchronizer assembly, input gear drives output gear idle running, power just passes to reverse gear driven gear from input shaft, reverse driving gear and reverse gear driven gear rotating in same direction, power passes to output shelves synchronizer assembly from moving driving gear, pass to again output shaft, reach the object of reverse gear.During due to reverse gear, input gear is meshed with reverse gear driven gear, and reverse driving gear only need be meshed with the tooth cover of output shelves synchronizer assembly, has reduced and has meshed quantity simultaneously, thereby reduced the generation of beating tooth, has improved security and stability.
Because reverse gear axle will together rotate with reverse driving gear and reverse gear driven gear, therefore the upper end kink of described reverse gear axle (2) is in reverse gear limiting stopper (3), this reverse gear limiting stopper (2) is fixed in gear box casing, and the direct kink in lower end of described reverse gear axle (2) is in gear box casing.
Described input gear (6), output gear (9) and reverse gear driven gear (4) are helical gear, and the tooth cover on reverse driving gear (5) and output shelves synchronizers (8) is spur gear.Because input gear (6), output gear (9) and reverse gear driven gear (4) they are normal engagement, and therefore adopt helical gear can improve the contact ratio of gear engagement, make gear transmission steady, reduce noise.And tooth on reverse driving gear and output shelves synchronizer assembly cover does not need normal engagement, therefore adopt spur gear to reduce costs.
Described reverse gear oscillating arm bracket assembly comprises two swing arms that are arranged side by side (10), this swing arm (10) is " recessed " font, described reverse driving gear (15) is positioned at the opening of swing arm (10), the closed end of two these swing arms (10) is connected by connecting plate (12), the middle part of the upper and lower dual-side of connecting plate (12) is provided with shift fork pawl (14), this shift fork pawl (14) is positioned at connecting plate (12) the same side with swing arm (10), the back of described connecting plate (12) is vertically provided with backboard (13) perpendicular to connecting plate (12), this backboard (13) and swing arm (10) lay respectively at connecting plate (12) both sides, on described backboard (13), be installed with mandrel (15), on this mandrel (15), go back kink and have support (16), described support (16) comprises riser (16a) and transverse slat (16b), this riser (16a) kink is on mandrel (15), this transverse slat (16b) is connected to the lower end of riser (16a), and this transverse slat (16b) and backboard (13) lay respectively at the both sides of riser (16a), on transverse slat (16b), offer bolt hole (11), the bottom of described backboard (13) is connected with the upper springs core bar (17) of vertical setting, the outer Compress Spring (18) that is set with of this upper springs core bar (17), the lower end of upper springs core bar (17) is stretched out in the lower end of described Compress Spring (18), in the bottom of this Compress Spring (18), be equipped with lower springs core bar (19), stretch out from Compress Spring (18) below the lower end of described lower springs core bar (19), the bottom of this lower springs core bar (19) is connected with spring position limit socket (20), and the lower end of the upper surface of this spring position limit socket (20) and Compress Spring (18) connects.The bottom of spring position limit socket is connected in gear box casing, support is fixed on gear box casing by bolt hole, because swing arm is " recessed " font, make reverse gear be positioned at the opening of swing arm, during use, by the reverse speed fork in gear box casing, stir shift fork pawl, drive swing arm and backboard to rotate around mandrel, the bottom of swing arm is just held reverse gear and is moved up reverse gear is meshed with output gear synchronizer and input shaft.Because swing arm is " recessed " font, the top of swing arm can be carried out spacing to the movement of reverse gear, simultaneously, because the lower end of backboard is connected with Compress Spring, the two ends up and down of Compress Spring are connected to respectively in the lower end and gear box casing of backboard, the middle part hollow of Compress Spring, Compress Spring can be compressed and extend, because Compress Spring remains at compressive state, backboard is possessed to certain elastic force all the time, make backboard and swing arm when rotating, possess all the time certain pretightening force, when reverse speed fork is got back to original position, pretightening force just drives backboard and swing arm to rotate, get back to original position.
Beneficial effect: the present invention adopts two reverse gears to replace a traditional reverse gear, the impact force while having reduced reverse gear engagement also has low cost of manufacture, security and stability high simultaneously.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is stereogram of the present invention.
Fig. 3 is the structural representation of reverse gear oscillating arm bracket assembly in Fig. 1.
Fig. 4 is the right elevation of Fig. 3.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, the input shaft 1 such as the present invention includes, reverse gear axle 2, reverse gear limiting stopper 3, reverse gear driven gear 4, reverse driving gear 5, input gear 6, reverse gear oscillating arm bracket assembly 7, output shelves synchronizer 8, parts, comprise the input shaft 1 and the reverse gear axle 2 that are set in parallel in gear box casing, on this input shaft 1, be installed with input gear 6, and this input gear 6 keeps normal engagement with the output gear 9 of corresponding gear, this output gear 9 is sleeved on corresponding output shelves synchronizer assembly 8, it is characterized in that: on described reverse gear axle 2, be installed with reverse gear driven gear 4, this reverse gear driven gear 4 keeps normal engagement with input gear 6, on described reverse gear axle 2, be also set with reverse driving gear 5, this reverse driving gear 5 by spline package on reverse gear axle 2, in these reverse driving gear 5 arranged outside, there is reverse gear oscillating arm bracket assembly 7, after described reverse gear oscillating arm bracket assembly 7 is stirred reverse driving gear 5 and is moved axially along reverse gear axle 2, this reverse gear axle 2 is meshed with the tooth cover on output shelves synchronizer 8.The upper end kink of described reverse gear axle 2 is in reverse gear limiting stopper 3, and this reverse gear limiting stopper 2 is fixed in gear box casing, and the direct kink in lower end of described reverse gear axle 2 is in gear box casing.Described input gear 6, output gear 9 and reverse gear driven gear 4 are helical gear, and the tooth cover on reverse driving gear 5 and output shelves synchronizer 8 is spur gear.Described reverse gear oscillating arm bracket assembly comprises two swing arms that are arranged side by side 10, this swing arm 10 is " recessed " font, described reverse driving gear 15 is positioned at the opening of swing arm 10, the closed end of two these swing arms 10 is connected by connecting plate 12, the middle part of connecting plate dual-side Shang Xia 12 is provided with shift fork pawl 14, this shift fork pawl 14 is positioned at connecting plate 12 the same sides with swing arm 10, the back of described connecting plate 12 is vertically provided with backboard 13 perpendicular to connecting plate 12, this backboard 13 and swing arm 10 lay respectively at connecting plate 12 both sides, on described backboard 13, be installed with mandrel 15, on this mandrel 15, go back kink and have support 16, described support 16 comprises riser 16a and transverse slat 16b, this riser 16a kink is on mandrel 15, this transverse slat 16b is connected to the lower end of riser 16a, and this transverse slat 16b and backboard 13 lay respectively at the both sides of riser 16a, on transverse slat 16b, offer bolt hole 11, the bottom of described backboard 13 is connected with the upper springs core bar 17 of vertical setting, the outer Compress Spring 18 that is set with of this upper springs core bar 17, the lower end of upper springs core bar 17 is stretched out in the lower end of described Compress Spring 18, in the bottom of this Compress Spring 18, be equipped with lower springs core bar 19, stretch out from Compress Spring 18 belows the lower end of described lower springs core bar 19, the bottom of this lower springs core bar 19 is connected with spring position limit socket 20, and the lower end of the upper surface of this spring position limit socket 20 and Compress Spring 18 connects.
The foregoing is only preferred embodiment of the present invention; not take the present invention as restriction; all any modifications of doing within the spirit and principles in the present invention, be equal to the quantity etc. of replacing and improving as change dial framework and benchmark post, within protection scope of the present invention all should be included in.
Claims (4)
1.Yi Zhong automotive reverse gear mechanism, comprise the input shaft (1) and the reverse gear axle (2) that are set in parallel in gear box casing, on this input shaft (1), be installed with input gear (6), and this input gear (6) keeps normal engagement with the output gear (9) of corresponding gear, this output gear (9) is sleeved on corresponding output shelves synchronizer assembly (8), it is characterized in that: on described reverse gear axle (2), be installed with reverse gear driven gear (4), this reverse gear driven gear (4) keeps normal engagement with input gear (6), on described reverse gear axle (2), be also set with reverse driving gear (5), this reverse driving gear (5) by spline package on reverse gear axle (2), in this reverse driving gear (5) arranged outside, there is reverse gear oscillating arm bracket assembly (7), after described reverse gear oscillating arm bracket assembly (7) is stirred reverse driving gear (5) and is moved axially along reverse gear axle (2), this reverse gear axle (2) is meshed with the tooth cover on output shelves synchronizers (8).
2. a kind of automotive reverse gear according to claim 1 mechanism, it is characterized in that: the upper end kink of described reverse gear axle (2) is in reverse gear limiting stopper (3), this reverse gear limiting stopper (2) is fixed in gear box casing, and the direct kink in lower end of described reverse gear axle (2) is in gear box casing.
3. a kind of automotive reverse gear according to claim 1 and 2 mechanism, it is characterized in that: described input gear (6), output gear (9) and reverse gear driven gear (4) are helical gear, the tooth cover on reverse driving gear (5) and output shelves synchronizers (8) is spur gear.
4. a kind of automotive reverse gear according to claim 1 mechanism, it is characterized in that: described reverse gear oscillating arm bracket assembly comprises two swing arms that are arranged side by side (10), this swing arm (10) is " recessed " font, described reverse driving gear (15) is positioned at the opening of swing arm (10), the closed end of two these swing arms (10) is connected by connecting plate (12), the middle part of the upper and lower dual-side of connecting plate (12) is provided with shift fork pawl (14), this shift fork pawl (14) is positioned at connecting plate (12) the same side with swing arm (10), the back of described connecting plate (12) is vertically provided with backboard (13) perpendicular to connecting plate (12), this backboard (13) and swing arm (10) lay respectively at connecting plate (12) both sides, on described backboard (13), be installed with mandrel (15), on this mandrel (15), go back kink and have support (16), described support (16) comprises riser (16a) and transverse slat (16b), this riser (16a) kink is on mandrel (15), this transverse slat (16b) is connected to the lower end of riser (16a), and this transverse slat (16b) and backboard (13) lay respectively at the both sides of riser (16a), on transverse slat (16b), offer bolt hole (11), the bottom of described backboard (13) is connected with the upper springs core bar (17) of vertical setting, the outer Compress Spring (18) that is set with of this upper springs core bar (17), the lower end of upper springs core bar (17) is stretched out in the lower end of described Compress Spring (18), in the bottom of this Compress Spring (18), be equipped with lower springs core bar (19), stretch out from Compress Spring (18) below the lower end of described lower springs core bar (19), the bottom of this lower springs core bar (19) is connected with spring position limit socket (20), and the lower end of the upper surface of this spring position limit socket (20) and Compress Spring (18) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310677035.4A CN103629336B (en) | 2013-12-07 | 2013-12-07 | A kind of vehicle reverse mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310677035.4A CN103629336B (en) | 2013-12-07 | 2013-12-07 | A kind of vehicle reverse mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103629336A true CN103629336A (en) | 2014-03-12 |
| CN103629336B CN103629336B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310677035.4A Active CN103629336B (en) | 2013-12-07 | 2013-12-07 | A kind of vehicle reverse mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103629336B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953719A (en) * | 2014-05-12 | 2014-07-30 | 赵咪咪 | Four-gear driving mechanism |
| CN105156665A (en) * | 2015-09-09 | 2015-12-16 | 浙江一铭机车部件有限公司 | Gear shifting mechanism assembly of automobile transmission |
| CN109058400A (en) * | 2018-10-31 | 2018-12-21 | 安徽江淮汽车集团股份有限公司 | A kind of reverse gear transmission |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515742A (en) * | 1993-09-30 | 1996-05-14 | Suzuki Motor Corporation | Reverse gear squeal-preventing device for transmission |
| CN101038018A (en) * | 2006-03-14 | 2007-09-19 | 台州竞隆车业有限公司 | Deceleration and shifting device with built-in peed-changing box |
| US20100077884A1 (en) * | 2008-09-30 | 2010-04-01 | Honda Motor Co., Ltd. | Vehicle reversing apparatus |
| CN202118225U (en) * | 2011-06-23 | 2012-01-18 | 山东上汽汽车变速器有限公司 | Semi-synchronizing mechanism for gear reversing |
| CN202360745U (en) * | 2011-12-07 | 2012-08-01 | 海马商务汽车有限公司 | Reverse gear shifting arm of manual transmission and manual transmission |
| CN203202185U (en) * | 2012-12-25 | 2013-09-18 | 重庆蓝黛动力传动机械股份有限公司 | Automobile reverse-gear mechanism |
| CN203656156U (en) * | 2013-12-07 | 2014-06-18 | 重庆蓝黛动力传动机械股份有限公司 | Automobile reverse gear mechanism |
-
2013
- 2013-12-07 CN CN201310677035.4A patent/CN103629336B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515742A (en) * | 1993-09-30 | 1996-05-14 | Suzuki Motor Corporation | Reverse gear squeal-preventing device for transmission |
| CN101038018A (en) * | 2006-03-14 | 2007-09-19 | 台州竞隆车业有限公司 | Deceleration and shifting device with built-in peed-changing box |
| US20100077884A1 (en) * | 2008-09-30 | 2010-04-01 | Honda Motor Co., Ltd. | Vehicle reversing apparatus |
| CN202118225U (en) * | 2011-06-23 | 2012-01-18 | 山东上汽汽车变速器有限公司 | Semi-synchronizing mechanism for gear reversing |
| CN202360745U (en) * | 2011-12-07 | 2012-08-01 | 海马商务汽车有限公司 | Reverse gear shifting arm of manual transmission and manual transmission |
| CN203202185U (en) * | 2012-12-25 | 2013-09-18 | 重庆蓝黛动力传动机械股份有限公司 | Automobile reverse-gear mechanism |
| CN203656156U (en) * | 2013-12-07 | 2014-06-18 | 重庆蓝黛动力传动机械股份有限公司 | Automobile reverse gear mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953719A (en) * | 2014-05-12 | 2014-07-30 | 赵咪咪 | Four-gear driving mechanism |
| CN103953719B (en) * | 2014-05-12 | 2017-02-15 | 博艳萍 | Four-gear driving mechanism |
| CN105156665A (en) * | 2015-09-09 | 2015-12-16 | 浙江一铭机车部件有限公司 | Gear shifting mechanism assembly of automobile transmission |
| CN109058400A (en) * | 2018-10-31 | 2018-12-21 | 安徽江淮汽车集团股份有限公司 | A kind of reverse gear transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103629336B (en) | 2015-10-21 |
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 402760, 100, sword Hill Road, Bi Quan street, Bishan District, Chongqing Applicant after: Chongqing Landai Powertrain Co., Ltd. Address before: 402760 Hexi Industrial Zone, Bishan County, Chongqing Applicant before: Chongqing Landai Powertrain Co., Ltd. |
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| GR01 | Patent grant | ||
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Address after: 402760 No.100, Jianshan Road, Biquan street, Bishan District, Chongqing Patentee after: Landai Technology Group Co.,Ltd. Address before: 402760 No.100, Jianshan Road, Biquan street, Bishan District, Chongqing Patentee before: CHONGQING LANDAI POWERTRAIN Corp.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |