CN104728355A - Seven-speed transmission and vehicle provided with seven-speed transmission - Google Patents
Seven-speed transmission and vehicle provided with seven-speed transmission Download PDFInfo
- Publication number
- CN104728355A CN104728355A CN201310705595.6A CN201310705595A CN104728355A CN 104728355 A CN104728355 A CN 104728355A CN 201310705595 A CN201310705595 A CN 201310705595A CN 104728355 A CN104728355 A CN 104728355A
- Authority
- CN
- China
- Prior art keywords
- gear
- reverse
- driving
- input shaft
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
-
- 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
-
- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
-
- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0822—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the arrangement of at least one reverse gear
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0056—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
- F16H2200/0086—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising two reverse speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a seven-speed transmission and a vehicle provided with the seven-speed transmission. The seven-speed transmission comprises a double clutch, wherein the double clutch comprises a first clutch and a second clutch; a first input shaft and a second input shaft, the first input shaft is connected with the first clutch and a plurality of odd number-gear driving gears are fixed on the first input shaft; the second input shaft is connected with the second clutch and a plurality of even number-gear driving gears are fixed on the second input shaft; a first output shaft and a second output shaft, a plurality of odd number-gear driven gears and a plurality of even number-gear driven gears are arranged on each of the first output shaft and the second output shaft in an empty sleeving manner; a reverse gear intermediate gear is also arranged on the second output shaft in an empty sleeving manner; a first reverse gear driving gear and a second reverse gear driving gear are respectively fixed on two sides of the reverse gear intermediate gear; a reverse gear shaft, a first reverse gear driven gear and a second reverse gear driven gear are arranged on the reverse gear shaft in an empty sleeving manner; a plurality of synchronizers which are used for connecting the corresponding driven gear to the corresponding output shaft or the reverse gear shaft. According to the seven-speed transmission, the number of the driving gears can be reduced, then the size is reduced and two types of reverse gear model are achieved.
Description
Technical field
The present invention relates to vehicular field, in particular to a kind of seven speed transmission and the vehicle with this seven speed transmission.
Background technique
Traditional automatic seven speed transmission transmission efficiency is lower, and existing DCT due to driving gear more and cause axial dimension longer, gear is few simultaneously, the power character of mating with car load and Economy are all not ideal enough, and some DCT seven speed transmissions only have one to reverse gear, the speed ratio that reverses gear is constant, can not meet the reversing requirement of driver well.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, one object of the present invention is to propose a kind of seven speed transmission, and this seven speed transmission can reduce the number of driving gear, thus reduces the volume of seven speed transmission, and this seven speed transmission has two kinds of patterns of reversing gear to meet driving demand better simultaneously.
Another object of the present invention is to propose a kind of vehicle, this vehicle comprises above-mentioned seven speed transmission.
According to seven speed transmission of the present invention, comprising: double clutch, described double clutch comprises first clutch and second clutch; First input shaft and the second input shaft, described first input shaft is connected with described first clutch, described second input shaft is enclosed within the outside of described first input shaft and is connected with described second clutch, described first input shaft is fixed with multiple odd number gear driving gear, described second input shaft is fixed with multiple even number gear driving gear; First output shaft and the second output shaft, each in described first output shaft and described second output shaft is all set with multiple odd number gear driven gear and multiple even number gear driven gear, described second output shaft is also set with reverse idler gear, each described odd number gear driven gear and each described even number gear driven gear keep off driving gear and even number respectively and keep off driving gear and engage with corresponding odd number, wherein the both sides of reverse idler gear are fixed with first driving gear and second that reverses gear respectively and reverse gear driving gear; Reverse gear shaft, described reverse gear shaft is set with the driving gear that to reverse gear with described first engages first reverse gear driven gear and with described second reverse gear that driving gear engages second to reverse gear driven gear; And multiple synchronizer, each synchronizer is used for one of them in two driven gears at the most corresponding with this synchronizer to engage with corresponding output shaft or reverse gear shaft.
According to the seven speed transmission of the embodiment of the present invention, even number gear four gear and six gears share a driving gear, two gear and the shared driving gears that reverse gear, thereby reduce the quantity of seven speed transmission inner pinion gear, reduce cost, make the structure of seven speed transmission simple, compact, save the axial space of seven speed transmission.In addition, also there are according to seven speed transmission of the present invention two patterns of reversing gear of different speed ratio, the driving demand of driver can be met better.And, two reverse gear driving gear and reverse idler gears form three toothings, also reduce gear quantity, avoid the increase of other component that adapt when adopting individual gears and duplex-gear, thus reduce installation difficulty, improve installation efficiency, shorten the axial length of seven speed transmissions.
In addition, according to seven speed transmission of the present invention, following additional technical feature can also be had:
Described first input shaft is fixed with a gear driving gear, three gear driving gears, five gear driving gears and seven gear driving gears, described second input shaft is fixed with two reverse gear driving gear and four or six gear driving gears, described first output shaft is set with to keep off with described one that driving gear engages one keeps off driven gear, the driving gear that reverses gear with described two engages two keep off driven gear, keep off with described three that driving gear engages three keep off driven gear, keep off with described 46 that driving gear engages four keep off driven gear, described second output shaft is set with to keep off with described five that driving gear engages five keep off driven gear, keep off with described 46 that driving gear engages six keep off driven gear, keep off with described seven that driving gear engages seven keep off driven gear and to reverse gear the reverse idler gear that driving gear engages with described two, described multiple synchronizer comprises: one or three gear synchronizers, two or four gear synchronizers, five or seven gear synchronizers, reverse gear synchronizer and six gear synchronizers, described one or three gear synchronizers are located at a described gear driven gear and described three and keep off between driven gear, described two or four gear synchronizers are located at described two gear driven gears and described four and keep off between driven gear, described five or seven gear synchronizers are located at described five gear driven gears and described seven and keep off between driven gear, described reverse gear synchronizer is located at described first driven gear and described second that reverses gear and reverses gear between driven gear, described six gear synchronizers are used for engaging or disconnect described six gear driven gear and described second output shafts.
Described first output shaft is provided with the first output gear, described second output shaft is provided with the second output gear, described reverse gear shaft is provided with reverse output gear.
Described reverse idler gear and described first driving gear, second driving gear that reverses gear that reverses gear is one-body molded.
Described reverse idler gear, described first driving gear, described second driving gear that reverses gear that reverses gear is individually shaping and integrally welded.
Described seven speed transmission also comprises: the first bearing of input shaft, the second bearing of input shaft, the first output shaft bearing, the second output shaft bearing, reverse gear shaft bearing, described first bearing of input shaft is for supporting described first input shaft, described second bearing of input shaft is for supporting described second input shaft, described first output shaft bearing is for supporting described first output shaft, described second output shaft bearing is for supporting described second output shaft, and described reverse gear shaft bearing is for supporting described reverse gear shaft.
Described first bearing of input shaft is for one and on one end that described in the distance being bearing in described first input shaft, double clutch is far away; Described second bearing of input shaft is two, and one of them second bearing of input shaft is bearing in the middle part of described second input shaft, and another second bearing of input shaft is bearing in the part of the close described double clutch of described second input shaft; Described first output shaft bearing is two and is bearing in the two ends place of described first output shaft respectively; Described second output shaft bearing is two and is bearing in the two ends place of described second output shaft respectively; Described reverse gear shaft bearing is two and is bearing in the two ends place of described reverse gear shaft respectively.
Described two reverse gear, and driving gear, described 46 keeps off driving gears, described seven gear driving gears, described three gear driving gears, described five keep off driving gears and described one distances of keeping off driving gear and described double clutch increase progressively.
Vehicle according to the invention, comprises the seven speed transmission above-mentioned according to the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the seven speed transmission according to the embodiment of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " axis ", " radial direction " "front", "rear", " interior ", " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; It can be mechanical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Describe the seven speed transmission according to the embodiment of the present invention in detail referring to Fig. 1, particularly, this seven speed transmission is the seven speed transmission with double clutch 14, and this seven speed transmission can be applied in vehicle, realizes the speed changing function of vehicle.It should be noted that, this seven speed transmission should be understood to be speed transmission before seven, and namely this speed changer has seven advance gears, and should not be construed as this speed changer and only have seven gears (comprise and reversing gear).
Seven speed transmission according to some embodiments of the invention can comprise double clutch 14, first input shaft 11a and the second input shaft 12a, the first output shaft 11b and the second output shaft 12b, reverse gear shaft 13 and multiple synchronizer.
Wherein, double clutch 14 can comprise first clutch 141 and second clutch 142, and first clutch 141 and second clutch 142 can be dry clutch, certainly also can be wet clutch, do not make particular determination to this present invention.
Double clutch 14 is suitable for being connected with the output terminal of motor such as bent axle, the power that motor transmission comes optionally can be passed to the first input shaft 11a by first clutch 141 by double clutch 14, or passes to the second input shaft 12a by second clutch 142.Specifically, first clutch 141 is connected with the first input shaft 11a, second clutch 142 is connected with the second input shaft 12a, when first clutch 141 is in jointing state and second clutch 142 is in separated state, the power that motor transmission comes can pass to the first input shaft 11a by first clutch 141, and when first clutch 141 is in separated state and second clutch 142 is in jointing state, the power that motor transmission comes can pass to the second input shaft 12a by second clutch 142.
Should be understood that, the concrete structure of double clutch 14 and working principle etc., for prior art and known by those skilled in the art, therefore here for succinct object, do not elaborate to the concrete structure of double clutch 14 and working principle.
With reference to shown in Fig. 1, second input shaft 12a is hollow shaft structure, second input shaft 12a is enclosed within the outside of the first input shaft 11a, specifically, a part of first input shaft 11a is positioned at the second input shaft 12a and another part of the first input shaft 11a extends outward from the second input shaft 12a, and the first input shaft 11a and the second input shaft 12a is preferably coaxially arranged.
Wherein, the first input shaft 11a is fixed with multiple odd number gear driving gear, the second input shaft 12a is fixed with multiple even number gear driving gear.
Such as, according to one embodiment of present invention, the first input shaft 11a is fixed with a gear driving gear 1a, three gear driving gear 3a, five gear driving gear 5a and seven gear driving gear 7a.In other words, each driving gear on the first input shaft 11a all can with the first input shaft 11a synchronous rotary, and such as, each driving gear on the first input shaft 11a all coordinates with the first input shaft 11a by spline structure, but is not limited thereto.
Further in this embodiment, the second input shaft 12a is fixed with two to reverse gear driving gear 213a and four or six gear driving gear 46a.In other words, each driving gear on the second input shaft 12a all can with the second input shaft 12a synchronous rotary, and such as, each driving gear on the second input shaft 12a also coordinates with the second input shaft 12a by spline structure, but is not limited thereto.
First output shaft 11b, the second output shaft 12b and reverse gear shaft 13 are all parallel to input shaft (that is, the first input shaft 11a and the second input shaft 12a).
Each in first output shaft 11b and the second output shaft 12b is all set with multiple odd number gear driven gear and multiple even number gear driven gear, second output shaft 12b is also set with reverse idler gear 133, each odd number gear driven gear keeps off driving gear with corresponding odd number and engages, and each even number gear driven gear keeps off driving gear with corresponding even number and engages.Wherein the both sides of reverse idler gear 133 are fixed with the first driving gear 131a and second that reverses gear respectively and reverse gear driving gear 132a.
Such as, according to one embodiment of present invention, the first output shaft 11b is set with a gear driven gear 1b, two gear driven gear 2b, three gear driven gear 3b and four gear driven gear 4b.That is, each driven gear on first output shaft 11b all can relatively rotate relative to the first output shaft 11b, such as, each driven gear on the first output shaft 11b and all can be provided with ball bearing between the first output shaft 11b, but be not limited thereto.
Further, one gear driven gear 1b and keeps off driving gear 1a and engages thus form first gear pair, two gear driven gear 2b and the two driving gear 213a that reverses gear engages thus forms second gear pair, three gear driven gear 3b and three keep off driving gear 3a and engage thus form three and keep off gear pair, and four keep off driven gear 4b and four or six keeps off driving gear 46a and engage thus form four and keep off gear pair.
With reference to Fig. 1, further, in this embodiment, the second output shaft 12b is set with five gear driven gear 5b, six gear driven gear 6b, seven gear driven gear 7b and reverse idler gears 133.That is, each driven gear (comprising reverse idler gear 133) on second output shaft 12b all can relatively rotate relative to the second output shaft 12b, such as, all can be provided with ball bearing between each driven gear (comprising reverse idler gear 133) on second output shaft 12b and the second output shaft 12b, but be not limited thereto.
Further, five gear driven gear 5b and five keep off driving gear 5a and engage thus form five and keep off gear pair, and seven keep off driven gear 7b and seven keeps off driving gear 7a and engage thus form seven and keep off gear pair.Six gear driven gear 6b and four or six keep off driving gear 46a and engage thus form six and keep off gear pair, six gear gear pairs and four gear gear pairs share one four or six gear driving gear 46a thus, thus make can reduce by a driving gear according to the seven speed transmission of the embodiment of the present invention, compact structure, simple.The reverse idler gear 133 and two driving gear 213a that reverses gear engages, thus, two gear driven gear 2b and this reverse idler gear 133 share one the two driving gear 213a that reverses gear, thus can reduce the quantity of driving gear further, make the structure of seven speed transmission compacter, simple.
Wherein, the side of reverse idler gear 133 is fixed with first and reverses gear driving gear 131a, first reverses gear driving gear 131a with reverse idler gear 133 synchronous rotary, the opposite side of reverse idler gear 133 is fixed with second and reverses gear driving gear 132a, and second reverses gear driving gear 132a with reverse idler gear 133 synchronous rotary.
As shown in Figure 1, reverse gear shaft 13 is set with the first driven gear 131b and second that reverses gear to reverse gear driven gear 132b, namely each driven gear that reverses gear on reverse gear shaft 13 is rotatable relative to reverse gear shaft 13, such as, on reverse gear shaft 13 each is reversed gear between driven gear and reverse gear shaft 13 and all can be provided with ball bearing, but is not limited thereto.
First driven gear 131b and the first driving gear 131a that reverses gear that reverses gear engages thus to form a pair reverse gear secondary, and second driven gear 132b and the second driving gear 132a that reverses gear that reverses gear engages thus forms another to reverse gear pair.It should be noted that, for a person skilled in the art, these two pairs of reverse gear pairs can be designed to have different gear ratios, thus make to there are two kinds of reversing speed ratios, to meet the requirement of driver to different back-up speed better according to the seven speed transmission of the embodiment of the present invention.
Multiple synchronizer is located on the first output shaft 11b, the second output shaft 12b and reverse gear shaft 13 accordingly, and multiple synchronizer is for engaging the driven gear on these three axles with corresponding output shaft, thus outputting power.
One or three gear synchronizer 13c, two or four gear synchronizer 24c, five or seven gear synchronizer 57c, six gear synchronizer 6c and reverse gear synchronizer 133c can be comprised according to the seven speed transmission of the embodiment of the present invention.
Particularly, one or three gear synchronizer 13c are located at a gear driven gear 1b and three and keep off between driven gear 3b, and one or three gear synchronizer 13c are used for a gear driven gear 1b or three gear driven gear 3b to engage with the first output shaft 11b.Two or four gear synchronizer 24c are located at two gear driven gear 2b and four and keep off between driven gear 4b, and two or four gear synchronizer 24c are used for two gear driven gear 2b or four gear driven gear 4b to engage with the first output shaft 11b.Five or seven gear synchronizer 57c are located at five gear driven gear 5b and seven and keep off between driven gear 7b, and five or seven gear synchronizer 57c are used for five gear driven gear 5b or seven gear driven gear 7b to engage with the second output shaft 12b.Six gear synchronizer 6c are used for engaging or disconnect six gear driven gear 6b and the second output shaft 12b.Reverse gear synchronizer 133c is located at the first driven gear 131b and second that reverses gear and reverses gear between driven gear 132b, and reverse gear synchronizer 133c driven gear 131b or the second driven gear 132b that reverses gear that is used for reversing gear first engages with reverse gear shaft 13.
Be appreciated that, one or three above-mentioned gear synchronizer 13c, two or four gear synchronizer 24c, five or seven gear synchronizer 57c, six gear synchronizer 6c and reverse gear synchronizer 133c all can be the conventional common synchronization device in related domain, such as can be inertial type of synchronizer, can certainly be constant pressure synchronizer or booster type synchronizer voluntarily.
According to one embodiment of present invention, seven speed transmission also comprises the first output gear 101, second output gear 102 and reverse output gear 103, first output gear 101 to be set on the first output shaft 11b and to rotate with the first output shaft 11b, first output gear 101 is preferably placed at one end of the first output shaft 11b, first output gear 101 is Power output terminals of the first output shaft 11b, and the first output gear 101 can output power and subtract the main reducing gear of assembly to vehicle difference.Second output gear 102 to be set on the second output shaft 12b and to rotate with the second output shaft 12b, second output gear 102 is preferably placed at one end of the second output shaft 12b, second output gear 102 is Power output terminals of the second output shaft 12b, and the second output gear 102 can output power and subtract the main reducing gear of assembly to vehicle difference.Reverse output gear 103 to be set on reverse gear shaft 13 and to rotate with reverse gear shaft 13, reverse output gear 103 is preferably placed at one end of reverse gear shaft 13, reverse output gear 103 is Power output terminals of reverse gear shaft 13, and reverse output gear 103 can output power and subtract the main reducing gear of assembly to vehicle difference.
According to the seven speed transmission of the embodiment of the present invention, there are seven forward gears and two reverse gear, power transmission process when seven speed transmission is in these gears is described below in detail.
When seven speed transmission is in a gear transmission: first clutch 141 is in jointing state, second clutch 142 is in separated state, one gear driven gear 1b engages with the first output shaft 11b by one or three gear synchronizer 13c, and the power that motor exports is successively by passing out from the first output gear 101 after first clutch 141, first input shaft 11a, a gear driving gear 1a, a gear driven gear 1b, one or three gear synchronizer 13c, the first output shaft 11b.
When seven speed transmission is in two gear transmissions: first clutch 141 is in separated state, second clutch 142 is in jointing state, two gear driven gear 2b engage with the first output shaft 11b by two or four gear synchronizer 24c, and the power that motor exports is reversed gear after driving gear 213a, two keeps off driven gear 2b, two or four gear synchronizer 24c, the first output shaft 11b by second clutch 142, second input shaft 12a, two successively and passes out from the first output gear 101.
When seven speed transmission is in three gear transmissions: first clutch 141 is in jointing state, second clutch 142 is in separated state, three gear driven gear 3b engage with the first output shaft 11b by one or three gear synchronizer 13c, and the power that motor exports can by passing out from the first output gear 101 after first clutch 141, first input shaft 11a, three gear driving gear 3a, three gear driven gear 3b, one or three gear synchronizer 13c, the first output shaft 11b.
When seven speed transmission is in four gear transmissions: first clutch 141 is in separated state, second clutch 142 is in jointing state, four gear driven gear 4b engage with the first output shaft 11b by two or four gear synchronizer 24c, and the power that motor exports is successively by passing out from the first output gear 101 after second clutch 142, second input shaft 12a, four or six gear driving gear 46a, four gear driven gear 4b, two or four gear synchronizer 24c, the first output shaft 11b.
When seven speed transmission is in five gear transmissions: first clutch 141 is in jointing state, second clutch 142 is in separated state, five gear driven gear 5b engage with the second output shaft 12b by five or seven gear synchronizer 57c, and the power that motor exports is successively by passing out from the second output gear 102 after first clutch 141, first input shaft 11a, five gear driving gear 5a, five gear driven gear 5b, five or seven gear synchronizer 57c, the second output shaft 12b.
When seven speed transmission is in six gear transmissions: first clutch 141 is in separated state, second clutch 142 is in jointing state, six gear driven gear 6b engage with the second output shaft 12b by six gear synchronizer 6c, and the power that motor exports is successively by passing out from the second output gear 102 after second clutch 142, second input shaft 12a, four or six gear driving gear 46a, six gear driven gear 6b, six gear synchronizer 6c, the second output shaft 12b.
When seven speed transmission is in seven gear transmissions: first clutch 141 is in jointing state, second clutch 142 is in separated state, seven gear driven gear 7b engage with the second output shaft 12b by five or seven gear synchronizer 57c, and the power that motor exports is successively by passing out from the second output gear 102 after first clutch 141, first input shaft 11a, seven gear driving gear 7a, seven gear driven gear 7b, five or seven gear synchronizer 57c, the second output shaft 12b.
When seven speed transmission be in the first reverse gear pattern transmission time: first clutch 141 is in separated state, second clutch 142 is in jointing state, the reverse gear synchronizer 133c driven gear 131b that reverses gear first engages with reverse gear shaft 13, and the power that motor exports is reversed gear after driven gear 131b, reverse gear synchronizer 133c, reverse gear shaft 13 passed out from reverse output gear 103 by second clutch 142, second input shaft 12a, two driving gear 213a, reverse idler gear 133, the first driving gear 131a, first that reverses gear that reverses gear successively.
When seven speed transmission be in the second reverse gear pattern transmission time: first clutch 141 is in separated state, second clutch 142 is in jointing state, the reverse gear synchronizer 133c driven gear 132b that reverses gear second engages with reverse gear shaft 13, and the power that motor exports is reversed gear after driven gear 132b, reverse gear synchronizer 133c, reverse gear shaft 13 passed out from reverse output gear 103 by second clutch 142, second input shaft 12a, two driving gear 213a, reverse idler gear 133, the second driving gear 132a, second that reverses gear that reverses gear successively.
According to the seven speed transmission of the embodiment of the present invention, even number gear four gear and six gears share a driving gear, two gear and the shared driving gears that reverse gear, not only do not increase initiatively number of teeth quantity, thereby reduce the quantity of seven speed transmission inner pinion gear, reduce cost, make the structure of seven speed transmission simple, compact, save the axial space of seven speed transmission.Meanwhile, when adding two and reversing gear, do not increase the quantity of synchronizer, decrease the quantity of shift fork, reduce the circumferential size of seven speed transmission, thus make the structure of seven speed transmission simpler, compact.In addition, also there are according to the seven speed transmission of the embodiment of the present invention two patterns of reversing gear of different speed ratio, the driving demand of driver can be met better.
In addition, less according to the rotation speed change of the gearshift of the seven speed transmission of the embodiment of the present invention (move back shelves/enter shelves), less to the impact force of vehicle body, gearshift is connected shorter, and more steady, and power loss is little.
According to some embodiments of the present invention, reverse idler gear 133 and first driving gear 131a, the second driving gear 132a that reverses gear that reverses gear is one-body molded, in other words, reverse idler gear 133 and first driving gear 131a, the second driving gear 132a that reverses gear that reverses gear forms cascade three toothing.Thus, can reduce process step, cost is low.
But should be appreciated that the present invention is not limited to this, in other embodiments of the present invention, reverse idler gear 133, first driving gear 131a, the second driving gear 132a that reverses gear that reverses gear is individually shaping and integrally welded.Independent widget is relatively easily shaping, therefore adopt respectively process said gear integrally welded by welding procedure again, can difficulty of processing be reduced.
According to some embodiments of the present invention, seven speed transmission also comprises the first bearing of input shaft 111a, the second bearing of input shaft 121a, the first output shaft bearing 111b, the second output shaft bearing 121b, reverse gear shaft bearing 134.First bearing of input shaft 111a is for supporting the first input shaft 11a, second bearing of input shaft 121a is for supporting the second input shaft 12a, first output shaft bearing 111b is for supporting the first output shaft 11b, second output shaft bearing 121b is for supporting the second output shaft 12b, and reverse gear shaft bearing 134 is for supporting reverse gear shaft 13.
In order to improve the support effects of each bearing to corresponding axle, preferably, the first bearing of input shaft 111a is one and is bearing on the distance double clutch 14 of the first input shaft 11a one end far away.Second bearing of input shaft 121a is two, and one of them the second bearing of input shaft 121a is bearing in the middle part of the second input shaft 12a, and another second bearing of input shaft 121a is bearing in the part of the close double clutch 14 of the second input shaft 12a.First output shaft bearing 111b is two and is bearing in the two ends place of the first output shaft 11b respectively.Second output shaft bearing 121b is two and is bearing in the two ends place of the second output shaft 12b respectively.Reverse gear shaft bearing 134 is two and is bearing in the two ends place of reverse gear shaft 13 respectively.But should be understood that, the quantity of each bearing and the position of supporting corresponding axle are not limited thereto.
According to preferred embodiments more of the present invention, two reverse gear, and driving gear 213a, four or six gear driving gear 46a, seven keep off driving gear 7a, three gear driving gear 3a, five distances of keeping off driving gear 5a and gear driving gear 1a and double clutch 14 increase progressively.
Adopt this arrangement, the structure of seven speed transmission can be made compacter, be beneficial to the volume reducing seven speed transmission.Simultaneously, maximum gear on first input shaft 11a i.e. seven gear driving gear 7a are arranged in the nearest position of distance the second input shaft 12a, thus can ensure that on the first input shaft 11a, each gear has enough radial installing spaces, and be convenient to layout first bearing of input shaft 111a, make the first bearing of input shaft 111a can support the first input shaft 11a better, improve the stability of the first input shaft 11a.
The simple vehicle described according to the embodiment of the present invention below.
Vehicle according to some embodiments of the invention can comprise seven speed transmission and motor.
Wherein seven speed transmission is the seven speed transmission according to describing in the above embodiment of the present invention, and motor is connected with the double clutch 14 of seven speed transmission, so that double clutch 14 is by the transmission of power to the first of motor input shaft 11a or the second input shaft 12a.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. a seven speed transmission, is characterized in that, comprising:
Double clutch, described double clutch comprises first clutch and second clutch;
First input shaft and the second input shaft, described first input shaft is connected with described first clutch, described second input shaft is enclosed within the outside of described first input shaft and is connected with described second clutch, described first input shaft is fixed with multiple odd number gear driving gear, described second input shaft is fixed with multiple even number gear driving gear;
First output shaft and the second output shaft, each in described first output shaft and described second output shaft is all set with multiple odd number gear driven gear and multiple even number gear driven gear, described second output shaft is also set with reverse idler gear, each described odd number gear driven gear and each described even number gear driven gear keep off driving gear and even number respectively and keep off driving gear and engage with corresponding odd number, wherein the both sides of reverse idler gear are fixed with first driving gear and second that reverses gear respectively and reverse gear driving gear;
Reverse gear shaft, described reverse gear shaft is set with the driving gear that to reverse gear with described first engages first reverse gear driven gear and with described second reverse gear that driving gear engages second to reverse gear driven gear; And
Multiple synchronizer, each synchronizer is used for one of them in two driven gears at the most corresponding with this synchronizer to engage with corresponding output shaft or reverse gear shaft.
2. seven speed transmission according to claim 1, is characterized in that,
Described first input shaft is fixed with a gear driving gear, three gear driving gears, five gear driving gears and seven gear driving gears, described second input shaft is fixed with two reverse gear driving gear and four or six gear driving gears;
Described first output shaft is set with to keep off with described one that driving gear engages one keeps off driven gear, the driving gear that reverses gear with described two engages two keep off driven gear, keep off with described three that driving gear engages three keep off driven gear, keep off with described 46 that driving gear engages four keep off driven gear;
Described second output shaft is set with to keep off with described five that driving gear engages five keep off driven gear, keep off with described 46 that driving gear engages six keep off driven gear, keep off with described seven that driving gear engages seven keep off driven gear and to reverse gear the reverse idler gear that driving gear engages with described two;
Described multiple synchronizer comprises: one or three gear synchronizers, two or four gear synchronizers, five or seven gear synchronizers, reverse gear synchronizer and six gear synchronizers, described one or three gear synchronizers are located at a described gear driven gear and described three and keep off between driven gear, described two or four gear synchronizers are located at described two gear driven gears and described four and keep off between driven gear, described five or seven gear synchronizers are located at described five gear driven gears and described seven and keep off between driven gear, described reverse gear synchronizer is located at described first driven gear and described second that reverses gear and reverses gear between driven gear, described six gear synchronizers are used for engaging or disconnect described six gear driven gear and described second output shafts.
3. seven speed transmission according to claim 1, is characterized in that, described first output shaft is provided with the first output gear, described second output shaft is provided with the second output gear, described reverse gear shaft is provided with reverse output gear.
4. seven speed transmission according to claim 1, is characterized in that, described reverse idler gear and described first driving gear, second driving gear that reverses gear that reverses gear is one-body molded.
5. seven speed transmission according to claim 1, is characterized in that, described reverse idler gear, described first driving gear, described second driving gear that reverses gear that reverses gear is individually shaping and integrally welded.
6. seven speed transmission according to claim 1, it is characterized in that, also comprise: the first bearing of input shaft, the second bearing of input shaft, the first output shaft bearing, the second output shaft bearing, reverse gear shaft bearing, described first bearing of input shaft is for supporting described first input shaft, described second bearing of input shaft is for supporting described second input shaft, described first output shaft bearing is for supporting described first output shaft, described second output shaft bearing is for supporting described second output shaft, and described reverse gear shaft bearing is for supporting described reverse gear shaft.
7. seven speed transmission according to claim 6, is characterized in that, described first bearing of input shaft is for one and on one end that described in the distance being bearing in described first input shaft, double clutch is far away; Described second bearing of input shaft is two, and one of them second bearing of input shaft is bearing in the middle part of described second input shaft, and another second bearing of input shaft is bearing in the part of the close described double clutch of described second input shaft; Described first output shaft bearing is two and is bearing in the two ends place of described first output shaft respectively; Described second output shaft bearing is two and is bearing in the two ends place of described second output shaft respectively; Described reverse gear shaft bearing is two and is bearing in the two ends place of described reverse gear shaft respectively.
8. the seven speed transmission according to any one of claim 2-7, it is characterized in that, described two reverse gear, and driving gear, described 46 keeps off driving gears, described seven gear driving gears, described three gear driving gears, described five keep off driving gears and described one distances of keeping off driving gear and described double clutch increase progressively.
9. a vehicle, is characterized in that, comprises the seven speed transmission according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705595.6A CN104728355A (en) | 2013-12-19 | 2013-12-19 | Seven-speed transmission and vehicle provided with seven-speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705595.6A CN104728355A (en) | 2013-12-19 | 2013-12-19 | Seven-speed transmission and vehicle provided with seven-speed transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104728355A true CN104728355A (en) | 2015-06-24 |
Family
ID=53452578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310705595.6A Pending CN104728355A (en) | 2013-12-19 | 2013-12-19 | Seven-speed transmission and vehicle provided with seven-speed transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728355A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685508A (en) * | 2020-05-18 | 2021-11-23 | 广州汽车集团股份有限公司 | Nine-gear double-clutch transmission and vehicle |
| CN113685497A (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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652986Y (en) * | 2003-08-29 | 2004-11-03 | 一拖(洛阳)建筑机械有限公司 | Tyre road roller gearbox with double back shift gearshift mechanism |
| FR2928984B1 (en) * | 2008-03-19 | 2010-03-05 | Renault Sas | BOX OF SPEED A PRESELECTION AND PASSAGE UNDER COUPLE. |
| CN101691886A (en) * | 2008-03-31 | 2010-04-07 | Gm全球科技运作股份有限公司 | Double-clutch transmission for vehicles |
| US20100294058A1 (en) * | 2009-05-20 | 2010-11-25 | Gm Global Technology Operations, Inc. | Seven speed dual clutch transmission with four axes of rotation |
| CN102762893A (en) * | 2008-03-31 | 2012-10-31 | 通用汽车环球科技运作公司 | Double-clutch transmission for vehicles |
-
2013
- 2013-12-19 CN CN201310705595.6A patent/CN104728355A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652986Y (en) * | 2003-08-29 | 2004-11-03 | 一拖(洛阳)建筑机械有限公司 | Tyre road roller gearbox with double back shift gearshift mechanism |
| FR2928984B1 (en) * | 2008-03-19 | 2010-03-05 | Renault Sas | BOX OF SPEED A PRESELECTION AND PASSAGE UNDER COUPLE. |
| CN101691886A (en) * | 2008-03-31 | 2010-04-07 | Gm全球科技运作股份有限公司 | Double-clutch transmission for vehicles |
| CN102762893A (en) * | 2008-03-31 | 2012-10-31 | 通用汽车环球科技运作公司 | Double-clutch transmission for vehicles |
| US20100294058A1 (en) * | 2009-05-20 | 2010-11-25 | Gm Global Technology Operations, Inc. | Seven speed dual clutch transmission with four axes of rotation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685508A (en) * | 2020-05-18 | 2021-11-23 | 广州汽车集团股份有限公司 | Nine-gear double-clutch transmission and vehicle |
| CN113685497A (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 |
| CN113685508B (en) * | 2020-05-18 | 2024-01-26 | 广州汽车集团股份有限公司 | Nine-gear double-clutch transmission and vehicle |
| CN113685497B (en) * | 2020-05-18 | 2024-03-22 | 广州汽车集团股份有限公司 | Ten-gear double-clutch transmission and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203809617U (en) | Eight-forward-gear transmission and vehicle with eight-forward-gear transmission | |
| CN104728356A (en) | Eight speed gearbox and vehicle with same | |
| CN203743326U (en) | Seven-gear transmission and vehicle with seven-gear transmission | |
| CN102588523B (en) | Eight speed dual clutch transmission | |
| EP2570703A2 (en) | Shift apparatus for a dual clutch transmission | |
| CN102588521B (en) | Eight speed dual clutch transmission | |
| EP3476637A1 (en) | Power drive system and vehicle | |
| US10024395B2 (en) | Transmission for vehicle | |
| CN103133610A (en) | Multi-speed transmission and operation method thereof | |
| CN103363032B (en) | Variator and there is the vehicle of this variator | |
| CN103711877A (en) | Double-clutch automatic gearbox transmission device | |
| CN102797812A (en) | Double-clutch transmission device | |
| CN104728355A (en) | Seven-speed transmission and vehicle provided with seven-speed transmission | |
| CN103758945A (en) | Dual-clutch automatic transmission | |
| CN204647181U (en) | A kind of planetary gear type two shift transmission | |
| CN204459016U (en) | A kind of automobile double clutch automatic gearbox | |
| CN103363031A (en) | Transmission and vehicle provided with same | |
| CN203743327U (en) | Eight-speed changer and vehicle with same | |
| CN201651182U (en) | Reverse gear arrangement structure of two-shaft type transmission | |
| CN103557276A (en) | Double-clutch transmission | |
| CN202946625U (en) | Mechanical transmission | |
| CN102927235B (en) | Dual-clutch transmission | |
| CN104896035A (en) | Six-gear double-clutch automatic transmission | |
| CN204610716U (en) | Speed changer and the Power Train with it are unified vehicle | |
| CN111379832A (en) | Single output shaft transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150624 |
|
| RJ01 | Rejection of invention patent application after publication |