CN203477208U - Double-clutch gearbox adopting specific tooth-connected reverse gear structure - Google Patents
Double-clutch gearbox adopting specific tooth-connected reverse gear structure Download PDFInfo
- Publication number
- CN203477208U CN203477208U CN201320503738.0U CN201320503738U CN203477208U CN 203477208 U CN203477208 U CN 203477208U CN 201320503738 U CN201320503738 U CN 201320503738U CN 203477208 U CN203477208 U CN 203477208U
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- gear
- gears
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- driven
- output shaft
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
Abstract
The utility model discloses a double-clutch gearbox adopting a specific tooth-connected reverse gear structure. Particularly, the double-clutch gearbox adopting the specific tooth-connected reverse gear structure comprises seven advancing gears, a reverse gear and four synchronizers, wherein a driving gear of each gear in the gearbox is an independent gear. The double-clutch gearbox adopting the specific tooth-connected reverse gear structure has the advantages that due to the fact that the design of the specific tooth-connected reverse gear structure is adopted, an idler shaft and auxiliary gears in a traditional gearbox are omitted, the interior structure of the gearbox is simplified, manufacturing cost is reduced, and the space of the gearbox is saved; due to the adoption of a tooth-connected gear of the reverse gear, the difficulty of matching between the speed ratio and the number of teeth of the reverse gear is reduced, and the requirement for the capacity of each synchronizer is lowered; due to the adoption of the seven-advancing-gear gearbox structure, an engine can be better in economical efficiency and power performance; gears of the seven advancing gears and the gear of the reverse gear are arranged more reasonably; all the synchronizers are fully utilized; due to the fact that all the driving gears are the independent gears, the design of the number of teeth is convenient, and speed ratio matching is facilitated.
Description
Technical field
The utility model relates to a kind of double clutch gearbox, relates in particular to a kind of specific reverse gear seven forward gear double clutch gearboxes of structure of tooth that connect that adopt.
Background technique
The concept of dual-clutch transmission (DCT) has had the history of 60 or seven ten years up till now.As far back as nineteen thirty-nine Germany Kegresse.A first applied for the patent of dual-clutch transmission, proposed manual transmission to be divided into two-part design concept, a part is transmitted odd number gear, another part transmits even number gear, and its transmission of power is by two input shafts of two clutch couplings, the driven gear of adjacent each gear interlocks and two input shaft gears engagements, coordinate the control of two clutches, can realize transmission ratio in the situation that not cutting off power, thereby shorten the gearshift time, effectively improve shift quality.
The automobile market of China will develop the change of important meaning in the coming years: rules and market pressure require to improve fuel consumption and emission; Keen competition brings larger cost pressure to car load factory; The increase of city automobile recoverable amount and some crowded regions also require to improve the travelling comfort of driving.Double clutch gearbox has produced exactly under this background.It is short that double clutch gearbox has the gearshift time, engages and carry out the advantages such as suitable, so double clutch gearbox (especially on B level car and SUV) on a lot of cars has application more and more widely.
In prior art, as mentioned a kind of known double clutch gearbox in CN1621715, this double clutch gearbox is six advance gear designs, and adopts short idler shaft configuration reverse gear and three groups of duplicate gear meshing engagement structures.Six advance the design of gear compared to seven gears that advance, and Economy and power character are lower, and engine efficiency loss is high; The design of short idler shaft affects the balance of gearbox integral body, makes inhomogeneous, the whole irregularity of its internal placement, takies gearbox inner space larger, and manufacture cost is higher; Three groups of dual gears have increased the difficulty of number of teeth proportioning, are difficult to realize the requirement of car load speed ratio.
Model utility content
The purpose of this utility model is to solve above-mentioned technical problem, proposes a kind of specific reverse gear double clutch gearbox of structure of tooth that connects that adopts.
The purpose of this utility model, to be achieved by the following technical programs: a kind ofly adopt specific the reverse gear double clutch gearbox of structure of tooth that connects, comprising: the first output shaft and the second output shaft that are arranged on first clutch, the second clutch in clutch housing and stretch out in the housing of described gearbox;
Described first clutch is connected with the first input shaft, and described second clutch is connected with the second input shaft and the second input shaft is socketed on the first input shaft, and described the first output shaft, the second output shaft and the first input shaft, the second input shaft are parallel to each other;
Especially,
Described employing is specific to be connected the reverse gear double clutch gearbox of structure of tooth and is provided with seven advance gear and the positions of reversing gear,
Described the first input shaft is installed with a gear driving gear, three gear driving gears, five gear driving gears and seven gear driving gears, a described gear driving gear is arranged between seven gear driving gears and five gear driving gears, and described five gear driving gears are arranged between a gear driving gear and three gear driving gears;
Described the second input shaft is installed with two gear driving gears, four gear driving gears and six gear driving gears, described four gear driving gears are arranged between six gear driving gears and two gear driving gears, described six gear driving gears are adjacent with three gear driving gears, described two gear driving gears are adjacent with clutch
Described the first output shaft is set with a gear driven gear, two gear driven gears, three gear driven gears, four gear driven gear and companys of reversing gear gears, and described two keep off driven gears and be coaxially connected with the company of reversing gear gear,
Described the second output shaft is set with five gear driven gears, six gear driven gears, seven gear driven gear and the driven gears that reverse gear,
A described gear driven gear and a gear driving gear engagement, described two gear driven gears and two keep off driving gears and are meshed, described in the company's of reversing gear gear be meshed with the driven gear that reverses gear,
Described three gear driven gears and three gear driving gear engagements, described five gear driven gears and the engagement of five driving gears,
Described four gear driven gears and four gear driving gear engagements, described six gear driven gears and the engagement of six driving gears,
Described seven gear driven gears and seven gear driving gear engagements,
On described the first output shaft, be relatively fixed with one or three gear synchronizers and two or four gear synchronizers, described one or three gear synchronizers can select to connect a gear driven gear or three gear driven gears, and described two or four gear synchronizers can select to connect two gear driven gears or four gear driven gears;
On described the second output shaft, be relatively fixed with five or seven gear synchronizer and six reverse gear synchronizers, described five or seven gear synchronizers can select to connect five gear driven gears or seven gear driven gears, described six reverse gear synchronizers can select to connect six gear driven gears and the driven gear that reverses gear
Preferably, described the first output shaft is also provided with the first main driving gear that subtracts, and described the first master subtracts driving gear and is connected in a differential mechanism.
Preferably, described the second output shaft is also provided with the second main driving gear that subtracts, and described the second master subtracts driving gear and connects described differential mechanism.
Preferably, described the first output shaft and the second output shaft lay respectively at the both sides of described the second input shaft.
The beneficial effects of the utility model are mainly reflected in:
1, the utility model adopts specific the reverse gear design of structure of tooth that connects, and has omitted idler shaft and attached gear in traditional gearbox, has simplified the internal structure of gearbox, has reduced fabricating cost, has saved gearbox space, and integral arrangement is more succinctly smooth-going;
2, the company's of reversing gear gear has reduced the difficulty of the speed ratio number of teeth coupling of reversing gear, and has reduced the demand to synchronizer capacity simultaneously;
3, the design of the utility model seven forward gear gearbox designs, makes motor have better Economy and power character, and engine efficiency loss is little;
4, seven forward gears and reverse gear arrange more reasonable, convenient for assembly;
5, each synchronizer is simultaneously effective to two gears, and synchronizer is fully utilized;
6, all driving gears of the present utility model all adopt independent gear, and number of teeth design is more convenient, is convenient to mate speed ratio.
Accompanying drawing explanation
To be that the utility model is a kind of adopt specific the reverse gear structural representation of double clutch gearbox of structure of tooth that connects to Fig. 1.
Embodiment
The utility model provides a kind of specific reverse gear double clutch gearbox of structure of tooth that connects that adopts, as shown in Figure 1, adopt specific the reverse gear double clutch gearbox of structure of tooth that connects, comprising: the first output shaft 30 and the second output shaft 40 that are arranged on first clutch 1, the second clutch 2 in clutch housing and stretch out in the housing of gearbox.
Adopt specific the reverse gear double clutch gearbox of structure of tooth that connects to be provided with seven advance gear and the positions of reversing gear.The design of seven gear gearbox designs, makes motor have better Economy and power character, and engine efficiency loss is little.
The first input shaft 10 is installed with a gear driving gear 101, three gear driving gears 102, five gear driving gears 103 and seven gear driving gears 104, one gear driving gear 101 is arranged between seven gear driving gears 104 and five gear driving gears 103, and five gear driving gears 103 are arranged between a gear driving gear 101 and three gear driving gears 102.
The second input shaft 20 is installed with two gear driving gears 201, four gear driving gears 202 and six gear driving gears 203, four gear driving gears 202 are arranged between six gear driving gears 203 and two gear driving gears 201, six gear driving gears 203 are adjacent with three gear driving gears 102, and two gear driving gears 201 are adjacent with clutch.
The first output shaft 30 is set with a gear driven gear 301, two gear driven gears 302, three gear driven gears 303, four gear driven gear 304 and the company's of reversing gear gears 305, and described two gear driven gears 302 are coaxially connected with the company of reversing gear gear 305, for the coaxial mode connecting of gear, have a lot, for example, weld or one-body molded etc.
The second output shaft 40 is set with five gear driven gears 405, six gear driven gears 406, seven gear driven gear 407 and the driven gears 408 that reverse gear.
One gear driven gear 301 and gear driving gear 101 engagements, two gear driven gears 302 are meshed with two gear driving gears 201, and the company's of reversing gear gear 305 is meshed with the driven gear 408 that reverses gear.
Three gear driven gears 303 and three gear driving gear 102 engagements, five gear driven gears 405 and five driving gear 103 engagements.
Four gear driven gears 304 and four gear driving gear 202 engagements, six gear driven gears 406 and six driving gear 203 engagements.
Seven gear driven gears 407 and seven gear driving gear 103 engagements.
On the first output shaft 30, be relatively fixed with one or three gear synchronizers 501 and two or four gear synchronizers 502, one or three gear synchronizers 501 can select to connect a gear driven gear 301 or three gear driven gear 303, two four gear synchronizers 502 can select to connect two gear driven gears 302 or four gear driven gears 304.
On the second output shaft 40, be relatively fixed with five or seven gear synchronizer 502 and six reverse gear synchronizers 504, five or seven gear synchronizers 502 can select to connect five gear driven gears 405 or seven gear driven gear 407, six reverse gear synchronizers 504 can select to connect six gear driven gears 406 and the driven gear 408 that reverses gear.
In addition, the first output shaft 30 is also provided with the first main driving gear that subtracts, the first master subtracts driving gear and connects a differential mechanism, the second output shaft 40 is also provided with the second main driving gear that subtracts, the second master subtracts driving gear and connects above-mentioned differential mechanism, differential mechanism is mainly used in first and second output shaft rotating speed to control, and first and second master subtracts driving gear and differential mechanism belongs to prior art, so omit this part in accompanying drawing.
The first above-mentioned output shaft 30 and the second output shaft 40 lay respectively at the both sides of described the second input shaft 20.
To the utility model, adopt specific reverse gear each gear of double clutch gearbox of structure of tooth that connects to switch and be elaborated below:
First the utility model relates to double clutch switching problem, and double clutch switching belongs to prior art, admittedly do not repeat them here, by switching between double clutch, motor drives switching to the first input shaft 10 and the second input shaft 20.
When neutral: first clutch and second clutch are all in off state, and engine power is not exported.
When a gear: one or three gear synchronizers 501 engage with a gear driven gear 301, engine-driving the first input shaft 10 rotates, the first input shaft 10 drives a gear driving gear 101 to rotate, one gear driving gear 101 drives a gear driven gear 301 to rotate, one gear driven gear 301 drives one or three gear synchronizers 501 to rotate, and one or three gear synchronizers 501 drive the first output shaft 30 to rotate output.
When two gears: two or four gear synchronizers 502 engage with two gear driven gears 302, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives two gear driving gears 201 to rotate, two gear driving gears 201 drive two gear driven gears 302 to rotate, two gear driven gears 302 drive two or four gear synchronizers 502 to rotate, and two or four gear synchronizers 502 drive the first output shaft 30 to rotate output.
When three gears: one or three gear synchronizers 501 engage with three gear driven gears 303, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives three gear driving gears 102 to rotate, three gear driving gears 102 drive three gear driven gears 303 to rotate, three gear driven gears 303 drive one or three gear synchronizers 501 to rotate, and one or three gear synchronizers 501 drive the first output shaft 30 to rotate output.
When four gears: two or four gear synchronizers 502 engage with four gear driven gears 304, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives four gear driving gears 202 to rotate, four gear driving gears 202 drive four gear driven gears 304 to rotate, four gear driven gears 304 drive two or four gear synchronizers 502 to rotate, and two or four gear synchronizers 502 drive the first output shaft 30 to rotate output.
When five gears: five or seven gear synchronizers 503 engage with five gear driven gears 405, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives five gear driving gears 103 to rotate, five gear driving gears 103 drive five gear driven gears 405 to rotate, five gear driven gears 405 drive five or seven gear synchronizers 503 to rotate, and five or seven gear synchronizers 503 drive the second output shaft 40 to rotate output.
When six gears: six reverse gear synchronizers 504 engage with six gear driven gears 406, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives six gear driving gears 203 to rotate, six gear driving gears 203 drive six gear driven gears 406 to rotate, six gear driven gears 406 drive six reverse gear synchronizers 504 to rotate, and six reverse gear synchronizers 504 drive the second output shaft 40 to rotate output.
When seven gears: five or seven gear synchronizers 503 engage with seven gear driven gears 407, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives seven gear driving gears 104 to rotate, seven gear driving gears 104 drive seven gear driven gears 407 to rotate, seven gear driven gears 407 drive five or seven gear synchronizers 503 to rotate, and five or seven gear synchronizers 503 drive the second output shaft 40 to rotate output.
When reversing gear: two or four gear synchronizers 502 are separated with two gear driven gears 302, six reverse gear synchronizers 504 engage with the driven gear 408 that reverses gear, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives two gear driving gears 201 to rotate, two gear driving gears 201 drive two gear driven gears 302 to rotate, the company's of reversing gear gear 305 and two gear driven gear 302 coaxial rotation, the company's of reversing gear gear 305 drives the driven gear 408 that reverses gear to rotate, the driven gear 408 that reverses gear rotates and drives six reverse gear synchronizers 504 to rotate, six reverse gear synchronizers 504 drive the second output shaft 40 to rotate output.
The above-mentioned specific structure of reversing gear is not only for the gearbox that applies to seven forward gears of the present utility model, and existing all kinds of gearboxes all can adopt, and can possess the advantage of specific reverse gear mechanism equally after adopting.
The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technological schemes of forming, within all dropping on protection domain of the present utility model.
Claims (4)
1. adopt specific the reverse gear double clutch gearbox of structure of tooth that connects, comprising: the first output shaft and the second output shaft that are arranged on first clutch, the second clutch in clutch housing and stretch out in the housing of described gearbox;
Described first clutch is connected with the first input shaft, and described second clutch is connected with the second input shaft and the second input shaft is socketed on the first input shaft, and described the first output shaft, the second output shaft and the first input shaft, the second input shaft are parallel to each other;
It is characterized in that:
Described employing is specific to be connected the reverse gear double clutch gearbox of structure of tooth and is provided with seven advance gear and the positions of reversing gear,
Described the first input shaft is installed with a gear driving gear, three gear driving gears, five gear driving gears and seven gear driving gears, a described gear driving gear is arranged between seven gear driving gears and five gear driving gears, and described five gear driving gears are arranged between a gear driving gear and three gear driving gears;
Described the second input shaft is installed with two gear driving gears, four gear driving gears and six gear driving gears, described four gear driving gears are arranged between six gear driving gears and two gear driving gears, described six gear driving gears are adjacent with three gear driving gears, described two gear driving gears are adjacent with clutch
Described the first output shaft is set with a gear driven gear, two gear driven gears, three gear driven gears, four gear driven gear and companys of reversing gear gears, and described two keep off driven gears and be coaxially connected with the company of reversing gear gear,
Described the second output shaft is set with five gear driven gears, six gear driven gears, seven gear driven gear and the driven gears that reverse gear,
A described gear driven gear and a gear driving gear engagement, described two gear driven gears and two keep off driving gears and are meshed, described in the company's of reversing gear gear be meshed with the driven gear that reverses gear,
Described three gear driven gears and three gear driving gear engagements, described five gear driven gears and the engagement of five driving gears,
Described four gear driven gears and four gear driving gear engagements, described six gear driven gears and the engagement of six driving gears,
Described seven gear driven gears and seven gear driving gear engagements,
On described the first output shaft, be relatively fixed with one or three gear synchronizers and two or four gear synchronizers, described one or three gear synchronizers can select to connect a gear driven gear or three gear driven gears, and described two or four gear synchronizers can select to connect two gear driven gears or four gear driven gears;
On described the second output shaft, be relatively fixed with five or seven gear synchronizer and six reverse gear synchronizers, described five or seven gear synchronizers can select to connect five gear driven gears or seven gear driven gears, and described six reverse gear synchronizers can select to connect six gear driven gears and the driven gear that reverses gear.
2. a kind of specific reverse gear double clutch gearbox of structure of tooth that connects that adopts according to claim 1, is characterized in that: described the first output shaft is also provided with the first main driving gear that subtracts, and described first mainly subtracts driving gear and be connected in a differential mechanism.
3. a kind of specific reverse gear double clutch gearbox of structure of tooth that connects that adopts according to claim 2, is characterized in that: described the second output shaft is also provided with the second main driving gear that subtracts, and described second mainly subtracts driving gear and connect described differential mechanism.
4. a kind of specific reverse gear double clutch gearbox of structure of tooth that connects that adopts according to claim 1, is characterized in that: described the first output shaft and the second output shaft lay respectively at the both sides of described the second input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503738.0U CN203477208U (en) | 2013-08-19 | 2013-08-19 | Double-clutch gearbox adopting specific tooth-connected reverse gear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503738.0U CN203477208U (en) | 2013-08-19 | 2013-08-19 | Double-clutch gearbox adopting specific tooth-connected reverse gear structure |
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| Publication Number | Publication Date |
|---|---|
| CN203477208U true CN203477208U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320503738.0U Expired - Fee Related CN203477208U (en) | 2013-08-19 | 2013-08-19 | Double-clutch gearbox adopting specific tooth-connected reverse gear structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557295A (en) * | 2013-08-19 | 2014-02-05 | 吉孚动力技术(中国)有限公司 | Dual-clutch transmission adopting specific gear-connected reverse gear structure |
| CN108869648A (en) * | 2018-08-31 | 2018-11-23 | 安徽星瑞齿轮传动有限公司 | The fast pickup automobile fuel-saving type manual transmission of one kind six |
| CN109027144A (en) * | 2018-10-12 | 2018-12-18 | 中汽研（天津）汽车工程研究院有限公司 | One kind 9 keeps off dual-clutch transmission |
| CN114321294A (en) * | 2021-12-31 | 2022-04-12 | 中国第一汽车股份有限公司 | Multi-gear double-clutch transmission |
| CN109027144B (en) * | 2018-10-12 | 2024-05-03 | 中汽研汽车检验中心（天津）有限公司 | Automatic 9-gear double-clutch gearbox |
-
2013
- 2013-08-19 CN CN201320503738.0U patent/CN203477208U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557295A (en) * | 2013-08-19 | 2014-02-05 | 吉孚动力技术(中国)有限公司 | Dual-clutch transmission adopting specific gear-connected reverse gear structure |
| CN108869648A (en) * | 2018-08-31 | 2018-11-23 | 安徽星瑞齿轮传动有限公司 | The fast pickup automobile fuel-saving type manual transmission of one kind six |
| CN109027144A (en) * | 2018-10-12 | 2018-12-18 | 中汽研（天津）汽车工程研究院有限公司 | One kind 9 keeps off dual-clutch transmission |
| CN109027144B (en) * | 2018-10-12 | 2024-05-03 | 中汽研汽车检验中心（天津）有限公司 | Automatic 9-gear double-clutch gearbox |
| CN114321294A (en) * | 2021-12-31 | 2022-04-12 | 中国第一汽车股份有限公司 | Multi-gear double-clutch transmission |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140819 |
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| EXPY | Termination of patent right or utility model |