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CN208364708U - Double-clutch speed changer - Google Patents

Double-clutch speed changer Download PDF

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Publication number
CN208364708U
CN208364708U CN201820710143.5U CN201820710143U CN208364708U CN 208364708 U CN208364708 U CN 208364708U CN 201820710143 U CN201820710143 U CN 201820710143U CN 208364708 U CN208364708 U CN 208364708U
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China
Prior art keywords
gear
driven
reverse
gears
output shaft
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CN201820710143.5U
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Chinese (zh)
Inventor
凌晓明
刘学武
张倍坚
余子林
吴坚
邵发科
王开国
段燕军
黄新志
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN201820710143.5U priority Critical patent/CN208364708U/en
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Abstract

一种双离合变速器,包括同轴嵌套的内、外输入轴及两根输出轴,该变速器具有七个前进挡和一个倒挡,奇数挡主动齿轮布置在内输入轴上,偶数挡主动齿轮布置在外输入轴上,且二倒挡共用从动齿轮,四六挡及五七挡(或三七挡)共用主动齿轮,若干个从动齿轮布置在第一输出轴上,倒挡齿轮组件及若干个从动齿轮布置在第二输出轴上,倒挡齿轮组件与毗邻的从动齿轮设计成能够被切换的双联齿轮结构。由于一挡和倒挡分别使用不同的离合器,空挡起步时可以同时预挂一挡及倒挡;通过倒挡齿轮组件与毗邻的从动齿轮接合形成双联齿结构,可实现倒挡动力的传递,取消了倒挡轴;通过共用主动齿轮或从动齿轮,减小了变速器的轴向长度。

A dual-clutch transmission, comprising coaxially nested inner and outer input shafts and two output shafts, the transmission has seven forward gears and one reverse gear, the odd-numbered drive gear is arranged on the inner input shaft, and the even-numbered drive gear It is arranged on the outer input shaft, and the second reverse gear shares the driven gear, the fourth and sixth gears and the fifth and seventh gears (or the third and seventh gears) share the driving gear, and several driven gears are arranged on the first output shaft. The reverse gear assembly and Several driven gears are arranged on the second output shaft, and the reverse gear assembly and the adjacent driven gears are designed as a double gear structure that can be switched. Since the first gear and the reverse gear use different clutches, the first gear and reverse gear can be pre-locked at the same time when starting in neutral; the reverse gear assembly is engaged with the adjacent driven gear to form a double gear structure, which can realize the transmission of reverse gear power. , the reverse gear shaft is cancelled; by sharing the driving gear or the driven gear, the axial length of the transmission is reduced.

Description

Double-clutch speed changer
Technical field
The utility model belongs to transmission for vehicles technical field, in particular to a kind of double-clutch speed changer.
Background technique
In automatic transmission used at present, AT (Automatic Transmission, hydraulic automatic speed variator) is because of it Structure is complicated, manufacturing cost is high, manufacture is difficult, and oil consumption is higher, low efficiency and be difficult to obtain and more comprehensively apply;AMT (Automated Mechanical Transmission, electric-controlled mechanical automatic speed transmission) manufacturing cost is lower, but because there are shadows The shifting power for ringing comfort interrupts, and shift noise is difficult to be promoted with the disadvantages of shift shock;CVT (Continuously Variable Transmission, mechanical stepless automatic speed changer) may be implemented variable speed, but because It is inefficient to be equally difficult to be used widely with high cost etc..
Double-clutch speed changer is that two gearboxes and two clutches are integrated in a transmission case body, and two can turn The inside and outside input shaft to connect together dynamicly is connected with one of clutch respectively, and two input shafts transmit two changes respectively The power of fast case velocity group completes shift program by automatically switching between two clutches, therefore can realize shift The shortcomings that duration of power in the process interrupts power in shift process, overcomes AMT shift shock, vehicle are changing During gear, the power of power source can shift gears steady rapidly for delivery to wheel always, not only ensure that the acceleration of vehicle, And abrupt deceleration situation caused by no longer being generated due to vehicle due to shift, also greatly improve the comfortable of vehicle operation Property.
Chinese patent application the 200910300847.0th discloses a kind of double-clutch automatic transmission, wherein a gear With the shared driving gear that reverses gear, and reverse gear by reverse gear shaft carry out power transmitting, will lead to following problems in this way: 1, due to One gear and the shared driving gear that reverses gear, lead to a gear and reverse gear to share the same clutch, when neutral gear starting, Bu Nengtong When pre-hung one gear and reverse gear;2, the power to reverse gear need to be unfavorable for the lightweight of speed changer via reverse gear shaft, also increase shift and hold The arrangement difficulty of row mechanism and the assembly difficulty for leading to entire transmission system.
Chinese patent application the 201410300895.0th discloses a kind of box-like automatic transmission of double devices, reverses gear and second gear Share a driving gear, and two reverse gear and driving gear while engaging with second gear driven gear with reverse gear component, this reverses gear It reverses gear under power flow structure to realize, the driving device for needing to be connected in outer input shaft can realize vehicle when relative vehicle advances simultaneously The function of direction of rotation forward and reverse is taken turns, or increases by one and is able to achieve wheel direction of rotation reversion when relative vehicle advances Rotating device reverses gear to realize, the transmission path that reverses gear is complicated and gear engagement quantity is more, is unfavorable for speed changer space layout Compactedness and noise perfomiance requirements, and then the economy and driver comfort of the lightweight of speed changer, miniaturization and vehicle are influenced, There are limitations for the application of speed changer.
Utility model content
The technical problem to be solved by the utility model is to needing to be arranged additional fall for existing double-clutch speed changer Gear shaft, the transmission path that reverses gear are complicated and gear engagement quantity is more, are unfavorable for lacking for the compactedness requirement of speed changer space layout It falls into, the driving device that its power flow structure that reverses gear of the double-clutch speed changer of the utility model can be adapted for outer input shaft can only be real A kind of device of existing direction of rotation, cost is lower, designs more compact.
The utility model embodiment provides a kind of double-clutch speed changer, comprising:
Coaxial nested interior input shaft and outer input shaft is fixed with a gear from close to power source one end on the interior input shaft Driving gear, three gear driving gears and five or seven keep off driving gears, are fixed with four from close to power source one end on the outer input shaft Six gear driving gears and two gear driving gear;
First clutch, the first clutch are connected with the interior input shaft;
Second clutch, the second clutch are connected with the outer input shaft;
First output shaft, be set with from close to power source one end on first output shaft four gear driven gears with six keep off from One of moving gear, second gear driven gear, a gear driven gear and five gear driven gears and seven gear driven gears are wherein One of;
Second output shaft, be set with from close to power source one end on second output shaft four gear driven gears with six keep off from The wherein another of moving gear, reverse gear component, three gear driven gears and five gear driven gears and seven gear driven gears are wherein Another, which includes reverse gear synchronizer and reverse gear, which is fixedly connected with the reverse gear;
Wherein, which engages with the gear driven gear;The second gear driven gear simultaneously with second gear master Moving gear and reverse gear engagement, the two gear driving gear are not engaged with the reverse gear;This three gear driving gear and this three Keep off driven gear engagement;Four or the six gear driving gear is engaged with the four gear driven gear and the six gears driven gear simultaneously;This five Seven gear driving gears are engaged with the five gear driven gear and the seven gears driven gear simultaneously;The reverse gear component and this three gear from Moving gear is designed to changeable dual gear structure, which can engage with the three gears driven gear, the tooth that reverses gear Wheel assembly can rotate when engaging with the three gears driven gear together about second output shaft.
In one embodiment, the reverse gear synchronizer with this three gear driven gear engage when, the reverse gear component with this three Gear driven gear is bonded into duplex toothing that is relatively unrotatable but can rotating together about second output shaft.
In one embodiment, the power to reverse gear is successively via the second clutch, the outer input shaft, the second gear driving tooth Wheel, the second gear driven gear, the reverse gear, the reverse gear synchronizer, the three gears driven gear, the three gears driving gear, this is interior Input shaft, gear driving gear, a gear driven gear and first output shaft are transferred to output end.
In one embodiment, on first output shaft, which exists the five gears driven gear empty set On second output shaft, the power to reverse gear successively via the second clutch, the outer input shaft, the two gear driving gear, this two Keep off driven gear, the reverse gear, the reverse gear synchronizer, this three gear driven gear, this three gear driving gear, the interior input shaft, Five or seven gear driving gear, the five gear driven gear and first output shaft are transferred to output end.
In one embodiment, on first output shaft, which exists the seven gears driven gear empty set On second output shaft, the power to reverse gear successively via the second clutch, the outer input shaft, the two gear driving gear, this two Keep off driven gear, the reverse gear, the reverse gear synchronizer, this three gear driven gear, this three gear driving gear, the interior input shaft, Five or seven gear driving gear, the seven gear driven gear and first output shaft are transferred to output end.
In one embodiment, which further includes supporting sleeve, and the reverse gear component and the three gears driven gear are logical It crosses the supporting sleeve to be mounted on second output shaft, which is set on second output shaft and can be second defeated around this Shaft rotates freely, which is set on the supporting sleeve with the three gears driven gear and can be around the supporting sleeve It rotates freely.
In one embodiment, the reverse gear component and the three gears driven gear radial support, should on the supporting sleeve Three gear driven gears radially toward second output shaft protrusion forms bulge loop, the bulge loop be resisted against the supporting sleeve far from should fall The end of gear assembly is kept off, is formed with gap between the reverse gear component and the three gears driven gear.
The utility model embodiment also provides a kind of double-clutch speed changer, comprising:
Coaxial nested interior input shaft and outer input shaft is fixed with a gear from close to power source one end on the interior input shaft Driving gear, five gear driving gears and Radix Notoginseng keep off driving gear, are fixed with four from close to power source one end on the outer input shaft Six gear driving gears and two gear driving gear;
First clutch, the first clutch are connected with the interior input shaft;
Second clutch, the second clutch are connected with the outer input shaft;
First output shaft, be set with from close to power source one end on first output shaft four gear driven gears with six keep off from One of moving gear, second gear driven gear, a gear driven gear and three gear driven gears and seven gear driven gears are wherein One of;
Second output shaft, be set with from close to power source one end on second output shaft four gear driven gears with six keep off from The wherein another of moving gear, reverse gear component, five gear driven gears and three gear driven gears and seven gear driven gears are wherein Another, which includes reverse gear synchronizer and reverse gear, which is fixedly connected with the reverse gear;
Wherein, which engages with the gear driven gear;The second gear driven gear simultaneously with second gear master Moving gear and reverse gear engagement, the two gear driving gear are not engaged with the reverse gear;The Radix Notoginseng keeps off driving gear simultaneously It is engaged with the three gear driven gear and the seven gears driven gear;This four or six gear driving gear simultaneously with this four gear driven gear and should Six gear driven gear engagements;The five gear driving gear is engaged with the five gears driven gear;The reverse gear component and this five gear from Moving gear is designed to changeable dual gear structure, which can engage with the five gears driven gear, the tooth that reverses gear Wheel assembly can rotate when engaging with the five gears driven gear together about second output shaft.
In one embodiment, the reverse gear synchronizer with this five gear driven gear engage when, the reverse gear component with this five Gear driven gear is bonded into duplex toothing that is relatively unrotatable but can rotating together about second output shaft.
In one embodiment, the power to reverse gear via the second clutch, the outer input shaft, the two gear driving gear, should Second gear driven gear, the reverse gear, the reverse gear synchronizer, the five gears driven gear, five the gears driving gear, the interior input Axis, gear driving gear, a gear driven gear and first output shaft are transferred to output end.
In one embodiment, on first output shaft, which exists the three gears driven gear empty set On second output shaft, the power that reverses gear via the second clutch, the outer input shaft, the two gear driving gear, the second gear from Moving gear, the reverse gear, the reverse gear synchronizer, this five gear driven gear, this five gear driving gear, the interior input shaft, this three Seven gear driving gears, the three gear driven gear and first output shaft are transferred to output end.
In one embodiment, on first output shaft, which exists the seven gears driven gear empty set On second output shaft, the power that reverses gear via the second clutch, the outer input shaft, the two gear driving gear, the second gear from Moving gear, the reverse gear, the reverse gear synchronizer, this five gear driven gear, this five gear driving gear, the interior input shaft, this three Seven gear driving gears, the seven gear driven gear and first output shaft are transferred to output end.
In one embodiment, which further includes supporting sleeve, and the reverse gear component and the five gears driven gear are logical It crosses the supporting sleeve to be mounted on second output shaft, which is set on second output shaft and can be second defeated around this Shaft rotates freely, which is set on the supporting sleeve with the five gears driven gear and can be around the supporting sleeve It rotates freely.
In one embodiment, the reverse gear component and the five gears driven gear radial support, should on the supporting sleeve Five gear driven gears radially toward second output shaft protrusion forms bulge loop, the bulge loop be resisted against the supporting sleeve far from should fall It keeps off on the end of gear assembly, is formed with gap between the reverse gear component and the five gears driven gear.
In the embodiments of the present invention, one is kept off and reverses gear respectively using first clutch and second clutch, and neutral gear rises When step, can simultaneously pre-hung one gear and reverse gear, improved the response speed of step gear shifting.
In the embodiments of the present invention, three gear driven gears or five gear driven gears and reverse gear component are designed to can The dual gear structure of switching, reverse gear are engaged with second gear driven gear, and reverse gear is not engaged with two gear driving gear, are led to It crosses reverse gear synchronizer to engage with the driven gear adjoined, realizes the power to reverse gear via outer input shaft, two gear driving gear, second gear Driven gear, reverse gear component, three gear gear pairs, interior input shaft and first gear secondary (or five gear gear pairs or seven gear gears It is secondary) it is transmitted, or the power to reverse gear is via outer input shaft, two gear driving gear, second gear driven gear, reverse gear group Part, five gear gear pairs, interior input shaft and first gear secondary (or three gear gear pairs or seven gear gear pairs) are transmitted, sufficiently benefit The power that reverses gear is transmitted with original two output shafts, eliminates reverse gear shaft, conducive to the lightweight of speed changer, is conducive to shift and executes The assembly of the arrangement of mechanism and entire transmission system.
In the embodiments of the present invention, three gear driven gears or five gear driven gears and reverse gear component are designed to can The dual gear structure of switching, three gear driven gears or five gear driven gears with gap empty set on supporting sleeve, and can from It is rotated by ground around bearing support, does not need interference press fitting connection, simplify assembly technology.
In the embodiments of the present invention, two reverse gear a shared driven gear, and four or six keep off and share a driving gear, and five Seven gears (or Radix Notoginseng gear) share a driving gear, reduce the axial length of speed changer, make the overall structure of speed changer more Compact, arrangement is more reasonable.
In the embodiments of the present invention, parking gear is mounted on the parking axis of independent design, is conducive to adjustment and is stayed dynamic speed Than, and compared to parking gear is placed on output shaft for, further reduce the axial length of speed changer.
In the embodiments of the present invention, since axial length dimension is obviously shortened, before identical overall dimensions Settable seven forward gears are put, gear range is made to become larger, transmission ratio distribution is more reasonable, and then significantly improves the dynamic of vehicle Power performance and vehicle class.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the double-clutch speed changer of the utility model first embodiment.
Fig. 2 is the partial enlargement structural representation of supporting sleeve in the utility model embodiment.
Fig. 3 is the structural schematic diagram of the double-clutch speed changer of the utility model second embodiment.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below Connection with figures and embodiment, are described in further detail the utility model.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
The utility model provides a kind of double-clutch speed changer, especially a kind of to be applied to preceding horizontal power source, forerunner's car Double-clutch speed changer, the axial length of the speed changer is small, and overcomes in existing speed changer a gear and use of reversing gear is same It clutch and the shortcomings that need to carrying out power transmitting by reverse gear shaft of reversing gear, while overcoming reversing gear for existing speed changer and transmitting road Line is complicated, needs the additional defect for connecting driving device.To keep the purpose of this utility model, technical solution and advantage more clear Chu is further described the utility model embodiment below in conjunction with attached drawing.
As shown in Figure 1, the double-clutch speed changer that the utility model first embodiment provides, comprising:
Interior input shaft 1, outer input shaft 2, the second output shaft 3, the second final gear 4, six gear gear of driven gear 5, six are same Walk device 6, reverse gear component 7, three keeps off driven gear 8, Radix Notoginseng gear synchronizer 9, seven keeps off driven gear 10,57 and keeps off driving gear 11, three gear driving gears 12, one keep off driving gear 13, two gear driving gear 14, five keeps off driven gear 15, the First Five-Year Plan keeps off synchronizer 16, a gear driven gear 17, second gear driven gear 18,24 keep off synchronizer 19, four and keep off driven gear 20, differential mechanism 21, parking Gear 22, parking axis 23, third final gear 24, differential mechanism gear ring 25, the first final gear 26, the first output shaft 27, Four or six gear driving gears 28, second clutch 29, first clutch 30, supporting sleeve 31, reverse gear synchronizer 71 and reverse gear 72。
Interior input shaft 1 is connected with the coaxial nested setting of outer input shaft 2, first clutch 30 with interior input shaft 1, the second clutch Device 29 is connected with outer input shaft 2.A gear driving gear 13, three gear master is fixed on interior input shaft 1 from close to power source one end Moving gear 12 and five or seven keeps off driving gear 11.Four or six gear driving gears are fixed on outer input shaft 2 from close to power source one end 28 and two gear driving gear 14.Four gear driven gears 20, second gear are set with from close to power source one end on first output shaft 27 Driven gear 18, one keeps off driven gear 17 and five gear driven gears 15.From the empty set close to power source one end on second output shaft 3 There are six gear driven gears 5, reverse gear component 7, three to keep off driven gear 8 and seven gear driven gears 10.
Reverse gear component 7 includes reverse gear synchronizer 71 and reverse gear 72, and reverse gear synchronizer 71 and reverse gear 72 are logical It crosses wheel hub to be fixed together, second gear driven gear 18 is engaged with two gear driving gear 14 and reverse gear 72 simultaneously, second gear Driving gear 14 is not engaged with reverse gear 72.Reverse gear synchronizer 71 adjoins the setting of three gear driven gears 8, and reverse gear synchronizer 71 It can be engaged with three gear driven gears 8, reverse gear component 7 and three gear driven gears 8 are designed to be able to the duplicate gear being switched Structure.When reverse gear component 7 is not engaged with three gear driven gears 8, reverse gear component 7 can phase with three gear driven gears 8 It can respectively rotate to rotation and around the second output shaft 3;When reverse gear component 7 and three gear driven gears 8 are bonded together, It is relatively unrotatable but can rotate together about the second output shaft 3 that gear gear assembly 7 with three keeps off driven gears 8.
The driving gear of various gears is engaged with corresponding driven gear.In the present embodiment, a gear driving gear 13 and a gear Driven gear 17 engages;Second gear driven gear 18 is engaged with two gear driving gear 14 and reverse gear 72 simultaneously, second gear with reverse gear The same driven gear i.e. second gear driven gear 18 is shared, two gear driving gear 14 is not engaged with reverse gear 72;Three gears are actively Gear 12 is engaged with three gear driven gears 8;Four or six gear driving gears 28 keep off driven gears 5 with four gear driven gears 20 and six simultaneously Engagement, four gears share the same driving gear i.e. 46 with six gears and keep off driving gear 28;Five or seven gear driving gears 11 are simultaneously with five It keeps off driven gear 15 and seven gear driven gears 10 engages, five gears share the same driving gear i.e. 57 with seven gears and keep off driving gear 11.By shared driving gear or driven gear, the axial arrangement space of transmission gear can be effectively saved, thus Shorten the axial length of speed changer.
In the present embodiment, two or four gear synchronizers 19 and First Five-Year Plan gear synchronizer 16 are arranged on the first output shaft 27, wherein two Four gear synchronizers 19 are located between four gear driven gears 20 and second gear driven gear 18, and it is driven positioned at a gear that the First Five-Year Plan keeps off synchronizer 16 Between gear 17 and five gear driven gears 15.Six gear synchronizers 6 and Radix Notoginseng gear synchronizer 9 are arranged on the second output shaft 3, wherein Six gear synchronizers 6 are located between six gear driven gears 5 and reverse gear component 7, and Radix Notoginseng keeps off synchronizer 9 and is located at three gear driven gears 8 and seven keep off between driven gear 10.
In the present embodiment, which includes five axis, is respectively as follows: interior input shaft 1, outer input shaft 2, the first output shaft 27, the second output shaft 3 and parking axis 23, five axis are arranged parallel.First final gear 26 is fixed on the first output shaft On 27 and it is located at the first output shaft 27 close to one end of power source, the second final gear 4 is fixed on the second output shaft 3 and position In the second output shaft 3 close to one end of power source.Preferably, the design of parking axis 23 is independent an axis, on parking axis 23 from It is risen close to power source one end and is fixed with third final gear 24 and parking gear 22.Differential mechanism gear ring 25 is exported with first simultaneously The third master on the second final gear 4 and parking axis 23 on the first final gear 26, the second output shaft 3 on axis 27 subtracts Fast gear 24 engages.By the way that parking gear 22 to be mounted on independent parking axis 23, conducive to the adjustment of parking speed ratio, and shorten The axial length of double-clutch speed changer.
In the present embodiment, outer input shaft 2 be hollow shaft, outer input shaft 2 be nested on interior input shaft 1 and with interior input shaft 1 Coaxially.
Further, which further includes supporting sleeve 31, and reverse gear component 7 and three gear driven gears 8 pass through branch It holds axle sleeve 31 to be mounted on the second output shaft 3, supporting sleeve 31 is set on the second output shaft 3 and can be around the second output shaft 3 It rotates freely, and reverse gear component 7 and three gear driven gears 8 are set on supporting sleeve 31 and can be around supporting sleeves 31 certainly By rotating.When speed changer operates in three gears, there is very big rotational speed difference between three gear driven gears 8 and reverse gear component 7, Due to the presence of supporting sleeve 31, damage of this rotational speed difference to three gear driven gears 8 and reverse gear component 7 can be eliminated. Fig. 2 is the partial enlargement structural representation of supporting sleeve in the utility model embodiment, incorporated by reference to Fig. 2, reverse gear component 7 with Three gear 8 radial supports of driven gear are on supporting sleeve 31, and three gear driven gears 8 are radially toward the prominent shape of the second output shaft 3 At bulge loop 81, bulge loop 81 is resisted against on left part of the supporting sleeve 31 far from reverse gear component 7, reverse gear component 7 and three It is formed with gap 32 between gear driven gear 8, so that reverse gear component 7 and three be avoided to keep off driven gear 8 because high rotational speed difference produces Raw damage.
In the present embodiment, when first clutch 30 is closed, pass through the power of odd number gear (one three five seven gear) transmitting power source; When second clutch 29 is closed, keeps off (2 46 gear) by even number and reverse gear and transmit the power of power source.The speed change of the present embodiment Respectively gear power transmission is as follows at work for device:
One gear power transmission route: first clutch 30 is closed, and the First Five-Year Plan keeps off synchronizer 16 and engages with a gear driven gear 17, Power driving source keeps off driven gear 17 through interior input shaft 1, one gear driving gear 13, one, the First Five-Year Plan keeps off synchronizer 16, the first output shaft 27, the first final gear 26 and differential mechanism 21 transmit, and realize a gear.
Second gear power transmission route: second clutch 29 is closed, and two or four gear synchronizers 19 are engaged with second gear driven gear 18, Power driving source keeps off synchronizer 19, the first output shaft through outer input shaft 2, two gear driving gear 14, second gear driven gear 18,24 27, the first final gear 26 and differential mechanism 21 transmit, and realize second gear.
Three gear power transmission routes: first clutch 30 is closed, and Radix Notoginseng keeps off synchronizer 9 and engages with three gear driven gears 8, is moved Power driving source keeps off driven gear 8, Radix Notoginseng gear synchronizer 9, the second output shaft 3, the through interior input shaft 1, three gear driving gear 12, three Two final gears 4 and differential mechanism 21 transmit, and realize three gears.
Four gear power transmission routes: second clutch 29 is closed, and two or four gear synchronizers 19 are engaged with four gear driven gears 20, Power driving source keeps off driven gear 20,24 through outer input shaft 2,46 gear driving gear 28, four and keeps off the output of synchronizer 19, first Axis 27, the first final gear 26 and differential mechanism 21 transmit, and realize four gears.
Five gear power transmission routes: first clutch 30 is closed, and the First Five-Year Plan keeps off synchronizer 16 and engages with five gear driven gears 15, Power driving source keeps off driven gear 15 through interior input shaft 1,57 gear driving gear 11, five, First Five-Year Plan gear synchronizer 16, first exports Axis 27, the first final gear 26 and differential mechanism 21 transmit, and realize five gears.
Six gear power transmission routes: second clutch 29 is closed, and six gear synchronizers 6 are engaged with six gear driven gears 5, power Driving source keeps off driven gear 5, six through outer input shaft 2,46 gear driving gear 28, six and keeps off synchronizer 6, the second output shaft 3, second Final gear 4 and differential mechanism 21 transmit, and realize six gears.
Seven gear power transmission routes: first clutch 30 is closed, and Radix Notoginseng keeps off synchronizer 9 and engages with seven gear driven gears 10, Power driving source keeps off driven gear 10 through interior input shaft 1,57 gear driving gear 11, seven, Radix Notoginseng gear synchronizer 9, second exports Axis 3, the second final gear 4 and differential mechanism 21 transmit, and realize seven gears.
Power transmission of reversing gear route: second clutch 29 is closed, and reverse gear synchronizer 71 is engaged with three gear driven gears 8, is made Reverse gear component 7 and three gear driven gears 8 are bonded into duplex that is relatively unrotatable but can rotating together about the second output shaft 3 Toothing keeps off synchronizer 16 by the First Five-Year Plan and keeps off driven gear 17 with one engaging, and the power to reverse gear is via second clutch 29, outer defeated Enter axis 2, two gear driving gear 14, second gear driven gear 18, reverse gear 72, reverse gear synchronizer 71, three and keeps off driven gear 8, three Keep off driving gear 12, interior input shaft 1, one keeps off driving gear 13, one and keeps off driven gear 17, First Five-Year Plan gear synchronizer 16, first output Axis 27, the first final gear 26 and differential mechanism 21 are transmitted, and realization is reversed gear.
Alternatively, the power transmission route that reverses gear: second clutch 29 is closed, and reverse gear synchronizer 71 connects with three gear driven gears 8 It closes, reverse gear component 7 and three gear driven gears 8 is made to be bonded into relatively unrotatable but can rotate together about the second output shaft 3 Duplex toothing, by the First Five-Year Plan keep off synchronizer 16 with five keep off driven gears 15 engage, the power to reverse gear is via second clutch 29, outer input shaft 2, two gear driving gear 14, second gear driven gear 18, reverse gear 72, reverse gear synchronizer 71, three keep off driven tooth 8, three gear driving gear 12 of wheel, interior input shaft 1,57 keep off the gear of driving gear 11, five driven gear 15, the First Five-Year Plan keeps off synchronizer 16, First output shaft 27, the first final gear 26 and differential mechanism 21 are transmitted, and realization is reversed gear.
When the manipulation halting mechanism (not shown) limitation rotation of parking gear 22, pass through parking gear 22, parking axis 23, third Final gear 24, differential mechanism gear ring 25 and differential mechanism 21 realize parking.
It is to be appreciated that setting can be interchanged in four gear driven gears 20 and six gear driven gears 5, driven tooth also is kept off by four 20 empty sets are taken turns on the second output shaft 3, by six gear 5 empty sets of driven gear on the first output shaft 27.That is, four gears are driven For one of gear 20 and six gear driven gears 5 empty set on the first output shaft 27, four gear driven gears 20 and six gears are driven Wherein another empty set of gear 5 is on the second output shaft 3.
It is to be appreciated that setting can be interchanged in five gear driven gears 15 and seven gear driven gears 10, it is also i.e. that five gears are driven 15 empty set of gear is on the second output shaft 3, by seven gear 10 empty sets of driven gear on the first output shaft 27.That is, five gears One of driven gear 15 and seven gear driven gears 10 empty set are on the first output shaft 27, five gear driven gears 15 and seven gears Wherein another empty set of driven gear 10 is on the second output shaft 3.
In an alternate embodiment, when seven gear 10 empty sets of driven gear are on the first output shaft 27, five gear driven gears 15 are empty It covers when on the second output shaft 3, power transmission of reversing gear route can be with are as follows: second clutch 29 is closed, reverse gear synchronizer 71 and three It keeps off driven gear 8 to engage, is bonded into reverse gear component 7 and three gear driven gears 8 relatively unrotatable but can be together about the Two output shafts 3 rotation duplex toothing, by one or seven gear synchronizers with seven keep off driven gears 10 engage, the power to reverse gear via Second clutch 29, outer input shaft 2, two gear driving gear 14, second gear driven gear 18, reverse gear 72, reverse gear synchronizer 71, Three gear driven gears 8, three keep off driving gear 12, interior input shaft 1,57 keeps off driving gear 11, seven and keeps off the gear of driven gear 10,1 Synchronizer, the first output shaft 27, the first final gear 26 and differential mechanism 21 are transmitted, and realization is reversed gear.
Second embodiment
Fig. 3 is the structural schematic diagram of the double-clutch speed changer of the utility model second embodiment, please join Fig. 3, the present embodiment Speed changer and first embodiment speed changer difference be three gears with five gear exchanged, therefore, on interior input shaft 1 from It is risen close to power source one end and is fixed with a gear driving gear 13, five gear driving gear 33 and Radix Notoginseng gear driving gear 34, outer input From being fixed with four or six gear driving gears 28 and two gear driving gear 14 close to power source one end on axis 2, on the first output shaft 27 From four gear driven gears 20 are set with close to power source one end, second gear driven gear 18, one keeps off driven gear 17 and three gears from Moving gear 8 is set with six gear driven gears 5 on second output shaft 3 from close to power source one end, reverse gear component 7, five is kept off Driven gear 15 and seven gear driven gears 10.
Reverse gear component 7 includes reverse gear synchronizer 71 and reverse gear 72, and reverse gear synchronizer 71 and reverse gear 72 are logical It crosses wheel hub to be fixed together, second gear driven gear 18 is engaged with two gear driving gear 14 and reverse gear 72 simultaneously, second gear Driving gear 14 is not engaged with reverse gear 72.Reverse gear synchronizer 71 adjoins the setting of five gear driven gears 15, and reverse gear synchronizer 71 can engage with five gear driven gears 15, and reverse gear component 7 and five gear driven gears 15 are designed to be able to the duplex being switched Gear structure.When reverse gear component 7 is not engaged with five gear driven gears 15, reverse gear component 7 and five gear driven gears 15 can relatively rotate and can respectively rotate around the second output shaft 3;When reverse gear component 7 and five gear driven gears 15 are bonded on one When rising, it is relatively unrotatable but can rotate together about the second output shaft 3 that reverse gear component 7 with five keeps off driven gears 15.
In the present embodiment, a gear driving gear 13 is engaged with a gear driven gear 17;Second gear driven gear 18 is simultaneously with two It keeps off driving gear 14 and reverse gear 72 to engage, second gear and reverses gear and share the same driven gear i.e. second gear driven gear 18, two Gear driving gear 14 is not engaged with reverse gear 72;It is driven with three gear driven gears 8 and seven gears simultaneously that Radix Notoginseng keeps off driving gear 34 Gear 10 engages, and three gears share the same driving gear i.e. Radix Notoginseng gear driving gear 34 with seven gears;Four or six gear driving gears 28 are same Shi Yusi keeps off driven gear 20 and six gear driven gears 5 engage, and four gears share the gear of the same driving gear i.e. 46 with six gears and lead Moving gear 28;Five gear driving gears 33 are engaged with five gear driven gears 15.By sharing driving gear or driven gear, Ke Yiyou The axial arrangement space of the saving transmission gear of effect, so as to shorten the axial length of speed changer.
In the present embodiment, it is disposed with two or four gear synchronizers 19 and one or three on the first output shaft 27 and keeps off synchronizer 35, wherein two Four gear synchronizers 19 are located between four gear driven gears 20 and second gear driven gear 18, and it is driven that one or three gear synchronizers 35 are located at a gear Between gear 17 and three gear driven gears 8.Six gear synchronizers 6 and five or seven gear synchronizer 36 is disposed on second output shaft 3, wherein Six gear synchronizers 6 are located between six gear driven gears 5 and reverse gear component 7, and five or seven gear synchronizers 36 are located at five gear driven tooths Between wheel 15 and seven gear driven gears 10.
Further, which further includes supporting sleeve 31, and reverse gear component 7 and five gear driven gears 15 pass through branch It holds axle sleeve 31 to be mounted on the second output shaft 3, supporting sleeve 31 is set on the second output shaft 3 and can be around the second output shaft 3 It rotates freely, and reverse gear component 7 and five gear driven gears 15 are set on supporting sleeve 31 and can be around supporting sleeves 31 It rotates freely.When speed changer operates in five gears, five gear driven gears 15 and reverse gear component 7 have very big rotational speed difference, Due to the presence of supporting sleeve 31, damage of this rotational speed difference to five gear driven gears 15 and reverse gear component 7 can be eliminated. Specifically, reverse gear component 7 and five gear 15 radial supports of driven gear are on supporting sleeve 31, and five gear driven gears 15 are along diameter Bulge loop is formed to towards the second output shaft 3 is prominent, bulge loop is resisted against left part of the supporting sleeve 31 far from reverse gear component 7 On, reverse gear component 7 and five gear driven gears 15 between be formed with gap, thus avoid reverse gear component 7 with five gears from The damage that moving gear 15 is generated by high rotational speed difference.
In the present embodiment, when first clutch 30 is closed, pass through the power of odd number gear (one three five seven gear) transmitting power source; When second clutch 29 is closed, keeps off (2 46 gear) by even number and reverse gear and transmit the power of power source.The speed change of the present embodiment Respectively gear power transmission is as follows at work for device:
One gear power transmission route: first clutch 30 is closed, and one or three gear synchronizers 35 are engaged with a gear driven gear 17, Power driving source keeps off driven gear 17,1 through interior input shaft 1, one gear driving gear 13, one and keeps off synchronizer 35, the first output shaft 27, the first final gear 26 and differential mechanism 21 transmit, and realize a gear.
Second gear power transmission route: second clutch 29 is closed, and two or four gear synchronizers 19 are engaged with second gear driven gear 18, Power driving source through outer input shaft 2, two reverse gear driving gear 14, second gear driven gear 18,24 keep off synchronizer 19, first export Axis 27, the first final gear 26 and differential mechanism 21 transmit, and realize second gear.
Three gear power transmission routes: first clutch 30 is closed, and one or three gear synchronizers 35 are engaged with three gear driven gears 8, Power driving source keeps off driven gear 8,1 through interior input shaft 1, Radix Notoginseng gear driving gear 34, three and keeps off the output of synchronizer 35, first Axis 27, the first final gear 26 and differential mechanism 21 transmit, and realize three gears.
Four gear power transmission routes: second clutch 29 is closed, and two or four gear synchronizers 19 are engaged with four gear driven gears 20, Power driving source keeps off driven gear 20,24 through outer input shaft 2,46 gear driving gear 28, four and keeps off the output of synchronizer 19, first Axis 27, the first final gear 26 and differential mechanism 21 transmit, and realize four gears.
Five gear power transmission routes: first clutch 30 is closed, and five or seven gear synchronizers 36 are engaged with five gear driven gears 15, Power driving source keeps off driven gear 15,57 through interior input shaft 1, five gear driving gear 33, five and keeps off synchronizer 36, the second output shaft 3, the second final gear 4 and differential mechanism 21 transmit, and realize five gears.
Six gear power transmission routes: second clutch 29 is closed, and six gear synchronizers 6 are engaged with six gear driven gears 5, power Driving source keeps off driven gear 5, six through outer input shaft 2,46 gear driving gear 28, six and keeps off synchronizer 6, the second output shaft 3, second Final gear 4 and differential mechanism 21 transmit, and realize six gears.
Seven gear power transmission routes: first clutch 30 is closed, and five or seven gear synchronizers 36 are engaged with seven gear driven gears 10, Power driving source keeps off driven gear 10,57 through interior input shaft 1, Radix Notoginseng gear driving gear 34, seven and keeps off the output of synchronizer 36, second Axis 3, the second final gear 4 and differential mechanism 21 transmit, and realize seven gears.
Power transmission of reversing gear route: second clutch 29 is closed, and reverse gear synchronizer 71 is engaged with five gear driven gears 15, is made Reverse gear component 7 and five gear driven gears 15 are bonded into relatively unrotatable but can rotate together about the second output shaft 3 double Join toothing, by one or three gear synchronizers 35 with one gear driven gear 17 engage, the power to reverse gear via second clutch 29, outside Input shaft 2, two gear driving gear 14, second gear driven gear 18, reverse gear 72, reverse gear synchronizer 71, five keep off driven gear 15, It is defeated that five gear driving gears 33, interior input shaft 1, one keep off the gear gear synchronizer 35, first of driven gear 17,1 of driving gear 13, one Shaft 27, the first final gear 26 and differential mechanism 21 are transmitted, and realization is reversed gear.
Alternatively, the power transmission route that reverses gear: second clutch 29 is closed, and reverse gear synchronizer 71 connects with five gear driven gears 15 It closes, reverse gear component 7 and five gear driven gears 15 is made to be bonded into relatively unrotatable but can rotate together about the second output shaft 3 Duplex toothing, by one or three gear synchronizers 35 with three keep off driven gears 8 engage, the power to reverse gear is via second clutch 29, outer input shaft 2, two gear driving gear 14, second gear driven gear 18, reverse gear 72, reverse gear synchronizer 71, five keep off driven tooth Wheel 15, five gear driving gears 33, interior input shaft 1, Radix Notoginseng gear driving gear 34, three keep off driven gear 8,1 keep off synchronizer 35, First output shaft 27, the first final gear 26 and differential mechanism 21 are transmitted, and realization is reversed gear.
It is to be appreciated that setting can be interchanged in four gear driven gears 20 and six gear driven gears 5, driven tooth also is kept off by four 20 empty sets are taken turns on the second output shaft 3, by six gear 5 empty sets of driven gear on the first output shaft 27.That is, four gears are driven For one of gear 20 and six gear driven gears 5 empty set on the first output shaft 27, four gear driven gears 20 and six gears are driven Wherein another empty set of gear 5 is on the second output shaft 3.
It is to be appreciated that setting can be interchanged in three gear driven gears 8 and seven gear driven gears 10, driven tooth also is kept off by three 8 empty sets are taken turns on the second output shaft 3, by seven gear 10 empty sets of driven gear on the first output shaft 27.That is, three gears are driven One of gear 8 and seven gear driven gears 10 empty set are on the first output shaft 27, three gear driven gears 8 and seven gear driven tooths Wherein another empty set of wheel 10 is on the second output shaft 3.
In an alternate embodiment, when seven gear 10 empty sets of driven gear are on the first output shaft 27, three keep off 8 empty sets of driven gear When on the second output shaft 3, power transmission of reversing gear route can be with are as follows: second clutch 29 is closed, and reverse gear synchronizer 71 is kept off with five Driven gear 15 engages, and is bonded into reverse gear component 7 and five gear driven gears 15 relatively unrotatable but can be together about the Two output shafts 3 rotation duplex toothing, by one or seven gear synchronizers with seven keep off driven gears 10 engage, the power to reverse gear via Second clutch 29, outer input shaft 2, two gear driving gear 14, second gear driven gear 18, reverse gear 72, reverse gear synchronizer 71, Five gear driven gears 15, five keep off driving gear 33, interior input shaft 1, Radix Notoginseng gear driving gear 34, seven and keep off driven gear 10,1 Gear synchronizer, the first output shaft 27, the first final gear 26 and differential mechanism 21 are transmitted, and realization is reversed gear.
The related description of above-mentioned first embodiment is referred to about the other structures and working principle of second embodiment, This is repeated no more.
The double-clutch speed changer of the utility model embodiment, input shaft, two output shafts including two nested arrangements and A piece parking axis, the speed changer reverse gear with seven forward gears and one, and odd number gear driving gear is arranged on interior input shaft, even Number gear driving gear is arranged on outer input shaft, and two reverse gear shared driven gear, and four or six gears and five or seven gears (or Radix Notoginseng gear) are altogether With driving gear, several driven gears are arranged on the first output shaft, reverse gear component and several driven gears arrangement On the second output shaft, reverse gear component and the driven gear adjoined are designed to be able to the dual gear structure being switched.This The double-clutch speed changer of embodiment has the advantages that
1, it one keeps off and reverses gear respectively using first clutch and second clutch, it, can pre-hung one simultaneously when neutral gear starts to walk It keeps off and reverses gear, improved the response speed of step gear shifting.
2, three gear driven gears or five gear driven gears and reverse gear component are designed to changeable dual gear structure, Reverse gear is engaged with second gear driven gear, and reverse gear is not engaged with two gear driving gear, by reverse gear synchronizer with adjoin Driven gear engagement, realize the power to reverse gear via outer input shaft, two gear driving gear, second gear driven gear, reverse gear Component, three gear gear pairs, interior input shaft and first gear secondary (or five gear gear pairs or seven gear gear pairs) are transmitted, or The power to reverse gear is via outer input shaft, two gear driving gear, second gear driven gear, reverse gear component, five gear gear pairs, interior defeated Enter axis and first gear secondary (or three gear gear pairs or seven gear gear pairs) is transmitted, takes full advantage of original two output Axis transmits the power that reverses gear, and eliminates reverse gear shaft, conducive to the lightweight of speed changer, conducive to the arrangement and entire biography of gear shifting actuating mechanism The assembly of dynamic system.
3, three gear driven gears or five gear driven gears and reverse gear component are designed to changeable dual gear structure, Empty set and can rotate on supporting sleeve freely movable about bearing support with gap for three gear driven gears or five gear driven gears, Interference press fitting connection is not needed, assembly technology is simplified.
4, it two reverses gear a shared driven gear, four or six keep off and share a driving gear, and five or seven gears (or Radix Notoginseng gear) share One driving gear, reduces the axial length of speed changer, keeps the overall structure of speed changer more compact, arrangement more closes Reason.
5, parking gear is mounted on the parking axis of independent design, is conducive to adjustment and is stayed dynamic speed ratio, and compared to by park tooth For wheel is placed on output shaft, the axial length of speed changer is further reduced.
6, since axial length dimension is obviously shortened, settable seven advances under the premise of identical overall dimensions Gear, makes gear range become larger, and transmission ratio distribution is more reasonable, and then significantly improves the power performance and vehicle gear of vehicle.
Herein, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, are removed It comprising those of listed element, but also may include other elements that are not explicitly listed.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (14)

1. a kind of double-clutch speed changer characterized by comprising
Coaxial nested interior input shaft (1) and outer input shaft (2), the fixation from close to power source one end on the interior input shaft (1) There are a gear driving gear (13), three gears driving gear (12) and five or seven gears driving gear (11), from close on the outer input shaft (2) Power source one end, which is risen, is fixed with four or six gears driving gear (28) and two gear driving gear (14);
First clutch (30), the first clutch (30) are connected with the interior input shaft (1);
Second clutch (29), the second clutch (29) are connected with the outer input shaft (2);
First output shaft (27) is set with four gear driven gears (20) from close to power source one end on first output shaft (27) One of driven gear (5), second gear driven gear (18), gear driven gear (17) and five gear driven gears are kept off with six (15) one of driven gear (10) are kept off with seven;
Second output shaft (3), be set with from close to power source one end on second output shaft (3) four gear driven gears (20) with Six gear the wherein another of driven gear (5), reverse gear component (7), three gears driven gear (8) and five gears driven gear (15) The wherein another of driven gear (10) is kept off with seven, which includes reverse gear synchronizer (71) and reverse gear (72), which is fixedly connected with the reverse gear (72);
Wherein, which engages with gear driven gear (17);The second gear driven gear (18) simultaneously with The two gear driving gear (14) and the reverse gear (72) engagement, the two gear driving gear (14) are not nibbled with the reverse gear (72) It closes;Three gear driving gear (12) is engaged with three gear driven gear (8);This four or six gear driving gear (28) simultaneously with this four gear Driven gear (20) and six gears driven gear (5) engagement;This five or seven gear driving gear (11) simultaneously with this five gear driven gear (15) and seven gear driven gear (10) engages;The reverse gear component (7) is designed to can be switched with three gear driven gear (8) Dual gear structure, the reverse gear synchronizer (71) can with this three gear driven gear (8) engage, the reverse gear component (7) and It can be rotated together about second output shaft (3) when three gears driven gear (8) engagement.
2. double-clutch speed changer as described in claim 1, it is characterised in that: the reverse gear synchronizer (71) and the three gears driven tooth When taking turns (8) engagement, the reverse gear component (7) and three gear driven gear (8) are bonded into relatively unrotatable but can be together about The duplex toothing of second output shaft (3) rotation.
3. double-clutch speed changer as described in claim 1, it is characterised in that: the power to reverse gear is successively via the second clutch (29), the outer input shaft (2), the two gear driving gear (14), the second gear driven gear (18), the reverse gear (72), should fall Keep off synchronizer (71), three gear driven gear (8), three gear driving gear (12), the interior input shaft (1), the gear driving tooth Wheel (13), gear driven gear (17) and first output shaft (27) are transferred to output end.
4. double-clutch speed changer as described in claim 1, it is characterised in that: this five gear driven gear (15) empty set this first On output shaft (27), seven gears driven gear (10) empty set on second output shaft (3), the power to reverse gear successively via this Two clutches (29), the outer input shaft (2), the two gear driving gear (14), the second gear driven gear (18), the reverse gear (72), the reverse gear synchronizer (71), this three gear driven gear (8), this three gear driving gear (12), the interior input shaft (1), this five Seven gears driving gear (11), five gear driven gear (15) and first output shaft (27) are transferred to output end.
5. double-clutch speed changer as described in claim 1, it is characterised in that: this seven gear driven gear (10) empty set this first On output shaft (27), five gears driven gear (15) empty set on second output shaft (3), the power to reverse gear successively via this Two clutches (29), the outer input shaft (2), the two gear driving gear (14), the second gear driven gear (18), the reverse gear (72), the reverse gear synchronizer (71), this three gear driven gear (8), this three gear driving gear (12), the interior input shaft (1), this five Seven gears driving gear (11), seven gear driven gear (10) and first output shaft (27) are transferred to output end.
6. double-clutch speed changer as described in claim 1, it is characterised in that: the speed changer further includes supporting sleeve (31), should Reverse gear component (7) and three gear driven gear (8) are mounted on second output shaft (3) by the supporting sleeve (31), The supporting sleeve (31) is set on second output shaft (3) and can rotate freely around second output shaft (3), the reverse gear Component (7) is set on the supporting sleeve (31) and can rotate freely around the supporting sleeve (31) with three gear driven gear (8).
7. double-clutch speed changer as claimed in claim 6, it is characterised in that: the reverse gear component (7) and three gear are driven Gear (8) radial support is on the supporting sleeve (31), and three gear driven gear (8) is radially toward second output shaft (3) Protrusion forms bulge loop (81), which is resisted against end of the supporting sleeve (31) far from the reverse gear component (7), should Gap (32) are formed between reverse gear component (7) and three gear driven gear (8).
8. a kind of double-clutch speed changer characterized by comprising
Coaxial nested interior input shaft (1) and outer input shaft (2), the fixation from close to power source one end on the interior input shaft (1) There are a gear driving gear (13), five gears driving gear (33) and Radix Notoginseng to keep off driving gear (34), from close on the outer input shaft (2) Power source one end, which is risen, is fixed with four or six gears driving gear (28) and two gear driving gear (14);
First clutch (30), the first clutch (30) are connected with the interior input shaft (1);
Second clutch (29), the second clutch (29) are connected with the outer input shaft (2);
First output shaft (27) is set with four gear driven gears (20) from close to power source one end on first output shaft (27) One of driven gear (5), second gear driven gear (18), gear driven gear (17) and three gear driven gears are kept off with six (8) one of driven gear (10) are kept off with seven;
Second output shaft (3), be set with from close to power source one end on second output shaft (3) four gear driven gears (20) with Six gear the wherein another of driven gear (5), reverse gear component (7), five gears driven gear (15) and three gears driven gear (8) The wherein another of driven gear (10) is kept off with seven, which includes reverse gear synchronizer (71) and reverse gear (72), which is fixedly connected with the reverse gear (72);
Wherein, which engages with gear driven gear (17);The second gear driven gear (18) simultaneously with The two gear driving gear (14) and the reverse gear (72) engagement, the two gear driving gear (14) are not nibbled with the reverse gear (72) It closes;Radix Notoginseng gear driving gear (34) is engaged with three gear driven gear (8) and seven gear driven gear (10) simultaneously;This four or six Gear driving gear (28) is engaged with four gear driven gear (20) and six gear driven gear (5) simultaneously;The five gears driving gear (33) it is engaged with five gear driven gear (15);The reverse gear component (7) is designed to cut with five gear driven gear (15) The dual gear structure changed, the reverse gear synchronizer (71) can be engaged with five gear driven gear (15), the reverse gear component (7) It can be rotated together about second output shaft (3) when being engaged with five gear driven gear (15).
9. double-clutch speed changer as claimed in claim 8, it is characterised in that: the reverse gear synchronizer (71) and the five gears driven tooth When wheel (15) engagement, the reverse gear component (7) and five gear driven gear (15) are bonded into relatively unrotatable but energy jointly Around the duplex toothing of second output shaft (3) rotation.
10. double-clutch speed changer as claimed in claim 8, it is characterised in that: the power to reverse gear is via the second clutch (29), the outer input shaft (2), the two gear driving gear (14), the second gear driven gear (18), the reverse gear (72), should fall Keep off synchronizer (71), five gear driven gear (15), five gear driving gear (33), the interior input shaft (1), the gear driving tooth Wheel (13), gear driven gear (17) and first output shaft (27) are transferred to output end.
11. double-clutch speed changer as claimed in claim 8, it is characterised in that: this three gear driven gear (8) empty set this first On output shaft (27), seven gears driven gear (10) empty set on second output shaft (3), the power that reverses gear via this second from Clutch (29), the outer input shaft (2), the two gear driving gear (14), the second gear driven gear (18), the reverse gear (72), The reverse gear synchronizer (71), five gear driven gear (15), five gear driving gear (33), the interior input shaft (1), Radix Notoginseng gear Driving gear (34), three gear driven gear (8) and first output shaft (27) are transferred to output end.
12. double-clutch speed changer as claimed in claim 8, it is characterised in that: seven gear driven gear (10) empty set this On one output shaft (27), three gears driven gear (8) empty set on second output shaft (3), the power that reverses gear via this second Clutch (29), the outer input shaft (2), the two gear driving gear (14), the second gear driven gear (18), the reverse gear (72), the reverse gear synchronizer (71), this five gear driven gear (15), this five gear driving gear (33), the interior input shaft (1), should Radix Notoginseng gear driving gear (34), seven gear driven gear (10) and first output shaft (27) are transferred to output end.
13. double-clutch speed changer as claimed in claim 8, it is characterised in that: the speed changer further includes supporting sleeve (31), should Reverse gear component (7) and five gear driven gear (15) are mounted on second output shaft (3) by the supporting sleeve (31), The supporting sleeve (31) is set on second output shaft (3) and can rotate freely around second output shaft (3), the reverse gear Component (7) and five gear driven gear (15) are set on the supporting sleeve (31) and can freely revolve around the supporting sleeve (31) Turn.
14. double-clutch speed changer as claimed in claim 13, it is characterised in that: the reverse gear component (7) and this five gear from Moving gear (15) radial support is on the supporting sleeve (31), and five gear driven gear (15) is radially toward second output shaft (3) protrusion forms bulge loop, which is resisted against the supporting sleeve (31) far from the end of the reverse gear component (7), should fall Gap is formed between gear gear assembly (7) and five gear driven gear (15).
CN201820710143.5U 2018-05-11 2018-05-11 Double-clutch speed changer Active CN208364708U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397523A (en) * 2018-05-11 2018-08-14 广州汽车集团股份有限公司 Double-clutch speed changer
CN113685503A (en) * 2020-05-18 2021-11-23 广州汽车集团股份有限公司 Ten keep off two separation and reunion derailleurs and vehicle
CN114658812A (en) * 2022-01-24 2022-06-24 重庆长安汽车股份有限公司 Six keep off rear-guard derailleur

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397523A (en) * 2018-05-11 2018-08-14 广州汽车集团股份有限公司 Double-clutch speed changer
CN113685503A (en) * 2020-05-18 2021-11-23 广州汽车集团股份有限公司 Ten keep off two separation and reunion derailleurs and vehicle
CN113685503B (en) * 2020-05-18 2024-03-22 广州汽车集团股份有限公司 Ten-speed dual-clutch transmission and vehicle
CN114658812A (en) * 2022-01-24 2022-06-24 重庆长安汽车股份有限公司 Six keep off rear-guard derailleur
CN114658812B (en) * 2022-01-24 2024-05-28 重庆长安汽车股份有限公司 Six-gear rear-drive transmission

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