CN203962983U - The gear shifting actuating mechanism of double-clutch speed changer - Google Patents
The gear shifting actuating mechanism of double-clutch speed changer Download PDFInfo
- Publication number
- CN203962983U CN203962983U CN201420421944.1U CN201420421944U CN203962983U CN 203962983 U CN203962983 U CN 203962983U CN 201420421944 U CN201420421944 U CN 201420421944U CN 203962983 U CN203962983 U CN 203962983U
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- China
- Prior art keywords
- cylinder sleeve
- piston rod
- connecting plate
- actuating mechanism
- speed changer
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Classifications
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H2063/025—Final output mechanisms for double clutch transmissions
Abstract
A kind of gear shifting actuating mechanism of double-clutch speed changer, comprise valve body, connecting plate, declutch shift shaft, and at least two shifting fork assemblies, this valve body is arranged on this connecting plate, these at least two shifting fork assemblies are arranged on this same declutch shift shaft, each shifting fork assembly is driven by the oil hydraulic cylinder being arranged on this connecting plate respectively, each oil hydraulic cylinder comprises piston rod and two cylinder sleeves, these two cylinder sleeves are fixedly installed on this connecting plate, this piston rod is arranged between these two cylinder sleeves, insert respectively in these two cylinder sleeves at the two ends of this piston rod, each shifting fork assembly comprises shift fork and leg, this leg is mounted on this piston rod, between one end of this piston rod and the first cylinder sleeve, form the first hydraulic pressure cavity, between the other end of this piston rod and the second cylinder sleeve, form the second hydraulic pressure cavity, in this valve body and in this connecting plate, be respectively provided with the oil duct being communicated with this first hydraulic pressure cavity and this second hydraulic pressure cavity.
Description
Technical field
The utility model relates to the speed changer technical field of automobile, relates in particular to a kind of gear shifting actuating mechanism of double-clutch speed changer.
Background technique
Double-clutch speed changer (Dual Clutch Transmission, DCT) be that two gearboxes and two clutches are integrated in a gearbox, two input shafts that connect together are rotationally connected with one of them clutch respectively, two input shafts transmit respectively the power of two gearbox speed groups, thereby by automatically switching and complete gearshift program between two clutches, therefore can realize the power shfit of gearshift procedure, at gearshift procedure, interrupt power, overcome AMT (Automated Mechanical Transmission, electric-controlled mechanical automatic speed transmission) shortcoming of shifting shock, vehicle is in gearshift procedure, the power of motor can be delivered to wheel all the time, gear shift is steady rapidly, not only guaranteed the acceleration of vehicle, and because vehicle no longer produces the abrupt deceleration situation causing due to gear shift, also improved greatly the travelling comfort of vehicle operating.
As everyone knows, gearshift in speed changer is generally to complete by being keyed to the synchronizer of reference axis and rotation thereupon, one-sided or the bilateral of synchronizer is provided with the gear that different drive ratios can be provided, under the effect of gear shifting actuating mechanism, synchronizer be struck along move axially and with contiguous gear engagement, thereby by gear couplings to realizing synchronizeing of gear and axle on axle, thereby outputting power.
Utilize at present the selector fork of general each gear of gear shifting actuating mechanism of the double-clutch speed changer of hydraulic power gearshift to need an independently arrangement space, and its rear and front end all need to be located on case of transmission, make the arrangement space of gear shifting actuating mechanism require larger, increased the volume of speed changer, also increased the number of processing oil duct on case of transmission, and the technology difficulty of processing oil duct on case of transmission is large, the gear shifting actuating mechanism of each gear is different simultaneously, and part universality is not strong yet.
Model utility content
In view of this, be necessary to provide a kind of gear shifting actuating mechanism of double-clutch speed changer, its compact structure, has saved the needed space of installation gear shifting actuating mechanism, reduced number and the difficulty of on case of transmission, processing oil duct, each part universality of gear shifting actuating mechanism is strong.
Embodiment of the present utility model provides a kind of gear shifting actuating mechanism of double-clutch speed changer, comprise valve body, connecting plate, declutch shift shaft, and at least two shifting fork assemblies, this valve body is arranged on this connecting plate, these at least two shifting fork assemblies are arranged on this same declutch shift shaft, each shifting fork assembly is driven by the oil hydraulic cylinder being arranged on this connecting plate respectively, each oil hydraulic cylinder comprises piston rod, the first cylinder sleeve and the second cylinder sleeve, this first cylinder sleeve and the second cylinder sleeve are fixedly installed on this connecting plate, this piston rod is arranged between this first cylinder sleeve and the second cylinder sleeve, insert respectively in this first cylinder sleeve and the second cylinder sleeve at the two ends of this piston rod, each shifting fork assembly comprises shift fork and leg, this leg is mounted on this piston rod, between one end of this piston rod and this first cylinder sleeve, form the first hydraulic pressure cavity, between the other end of this piston rod and this second cylinder sleeve, form the second hydraulic pressure cavity, in this valve body, be provided with the first oil duct and the second oil duct, in this connecting plate, be provided with the 3rd oil duct and the 4th oil duct, on this first cylinder sleeve and this second cylinder sleeve, be respectively equipped with the first oilhole and the second oilhole, this first oil duct is communicated with this first hydraulic pressure cavity by the 3rd oil duct and this first oilhole, and this second oil duct is communicated with this second hydraulic pressure cavity by the 4th oil duct and this second oilhole.
Further, the outer surface of the middle body of rod of this piston rod is provided with short slot, and this leg inserts in this short slot.
Further, the gear shifting actuating mechanism of this double-clutch speed changer also comprises positioning means, is also provided with the locating slot of W type on the outer surface of the middle body of rod of this piston rod, and this locating slot forms stop location with this positioning means and coordinates.
Further, this positioning means is provided with retainer in the end towards this locating slot, and this retainer compresses and coordinates with this locating slot.
Further, this connecting plate has relative first surface and second surface, and the first surface of this connecting plate is arranged on this valve body, and this first cylinder sleeve and the second cylinder sleeve are fixed on the second surface of this connecting plate.
Further, between this connecting plate and this valve body, sealing gasket is installed.
Further, each shifting fork assembly also comprises sleeve pipe, and the casing pipe sleeve of each shifting fork assembly is located on this same declutch shift shaft.
Further, this leg protrudes and extends to form towards this piston rod from shifting fork assembly.
Further, these the first cylinder sleeve two ends in the axial direction all have opening end, and this first cylinder sleeve is provided with piston ring away from the opening end of this piston rod, and this piston ring is provided with snap ring away from a side of this piston rod, and this snap ring compresses this piston ring of clamping.
Further, this first cylinder sleeve and the second cylinder sleeve are arranged in a linear and are spaced from each other.
In the utility model embodiment, by the shifting fork assembly of different gears being arranged on same declutch shift shaft, two even more shifting fork assemblies can be arranged in same axis, each shifting fork assembly drives control by an oil hydraulic cylinder with independent oil path, whole oil hydraulic cylinders is integrated into one independently on connecting plate, and compact overall structure, has greatly saved needed space is installed, solved the gear shifting actuating mechanism larger problem that takes up room, made speed changer volume less.
In the utility model embodiment, the cylinder sleeve at each oil hydraulic cylinder two ends is fixedly installed with respect to connecting plate, valve body is mounted on connecting plate, connecting plate is mounted on case of transmission by bolt etc. again, connecting plate offers with valve body the oil duct being communicated with cylinder sleeve, thereby has reduced number and the difficulty of processing oil duct on case of transmission.
In the utility model embodiment, the structure of most of component that the gear shifting actuating mechanism of each gear comprises is identical, has interlinking, so part universality is strong, reduces and produces and maintenance cost.
In the utility model embodiment, each shifting fork assembly is mounted in the short slot of corresponding piston rod by leg, makes the simple in structure of shifting fork assembly, and and piston rod between assembling also simple, reduced manufacturing process difficulty and the assembling difficulty of shifting fork assembly.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of gear shifting actuating mechanism of the utility model embodiment's double-clutch speed changer.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the schematic perspective view of shifting fork assembly.
Fig. 4 is along the generalized section of IV-IV line in Fig. 2.
Fig. 5 is the structural representation of piston rod.
Fig. 6 is the oil channel structures schematic diagram between valve body, connecting plate and oil hydraulic cylinder.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model mode of execution is further described.
The gear shifting actuating mechanism of the utility model embodiment's double-clutch speed changer is mainly used in and utilizes in the speed changer of hydraulic pressure as the gearshift of power operation synchronizer.Fig. 1 is the schematic perspective view of gear shifting actuating mechanism of the utility model embodiment's double-clutch speed changer, Fig. 2 is the front view of Fig. 1, incorporated by reference to Fig. 1 and Fig. 2, the gear shifting actuating mechanism of the present embodiment comprises valve body 10, connecting plate 20, declutch shift shaft 30 and at least two shifting fork assemblies 40.
This valve body 10 is arranged on this connecting plate 20, particularly, this connecting plate 20 has relative first surface 21 and second surface 22, valve body 10 is arranged on the first surface 21 of connecting plate 20, valve body 10 can be fixedly connected with connecting plate 20 by bolt, sealing gasket 18 (Fig. 6) is installed, to improve the sealing of oil circuit between connecting plate 20 and valve body 10.
These at least two shifting fork assemblies 40 are arranged on this same declutch shift shaft 30, for controlling different gears.In the present embodiment, take and be arranged on shifting fork assembly 40 quantity on this declutch shift shaft 30 and describe as two, but be not limited to this, plural shifting fork assembly 40 (for example three) can be arranged on this same declutch shift shaft 30 simultaneously.
Fig. 3 is the schematic perspective view of shifting fork assembly, and incorporated by reference to Fig. 3, each shifting fork assembly 40 comprises sleeve pipe 41, shift fork 42 and leg 43.Sleeve pipe 41, shift fork 42 and leg 43 threes are fixedly linked.This leg 43 protrudes and extends to form towards a side from shifting fork assembly 40.This shift fork 42 is for being connected with synchronizer 90, conventionally, synchronizer 90 be circumferentially with groove 91, this shift fork 42 embeds in these grooves 91, thereby stir synchronizer 90 by shifting fork assembly 40, moves axially.
This sleeve pipe 41 is for being set in declutch shift shaft 30, and the sleeve pipe 41 of each shifting fork assembly 40 is set on same declutch shift shaft 30, and each shifting fork assembly 40 can move axially along declutch shift shaft 30.Declutch shift shaft 30 is through the sleeve pipe 41 of each shifting fork assembly 40, and the two ends of declutch shift shaft 30 are arranged on respectively in the mounting hole of front case (not shown) and rear case (not shown), and after front case and rear case mould assembling, declutch shift shaft 30 can not move and rotate.This front case and this rear case can be the one constituent element of case of transmission, or for being independent of the structural member of case of transmission, and by fixed block for example bolt be mounted on case of transmission again.
Each shifting fork assembly 40 is driven by the oil hydraulic cylinder 50 being arranged on connecting plate 20 respectively.In the present embodiment, on the second surface 22 of connecting plate 20, near this declutch shift shaft 30, be provided with two oil hydraulic cylinders 50, oil circuit in these two oil hydraulic cylinders 50 is independent separately, these two oil hydraulic cylinders 50 are respectively used to drive these two shifting fork assemblies 40 on this declutch shift shaft 30, to move independently of one another, to realize respectively engage a gear function.
Fig. 4 is along the generalized section of IV-IV line in Fig. 2, incorporated by reference to Fig. 4, each oil hydraulic cylinder 50 comprises piston rod 51, the first cylinder sleeve 52 and the second cylinder sleeve 53, this first cylinder sleeve 52 and the second cylinder sleeve 53 are fixedly installed on the second surface 22 of this connecting plate 20, and this first cylinder sleeve 52 and the second cylinder sleeve 53 are arranged in a linear and are spaced from each other.Preferably, this first cylinder sleeve 52 and the second cylinder sleeve 53 are directly processed to form on this connecting plate 20, make this first cylinder sleeve 52 and the second cylinder sleeve 53 as a part for this connecting plate 20; Understandably, this first cylinder sleeve 52 and the second cylinder sleeve 53 are fixed on this connecting plate 20 by fixed block (such as bolt etc.) after also can being independently processed to form separately again.This piston rod 51 is arranged between this first cylinder sleeve 52 and the second cylinder sleeve 53, and insert respectively in this first cylinder sleeve 52 and the second cylinder sleeve 53 at the two ends of this piston rod 51, and this piston rod 51 can axially move along this first cylinder sleeve 52 and the second cylinder sleeve 53.Between one end of this piston rod 51 and the first cylinder sleeve 52, form the first hydraulic pressure cavity A of sealing, between the other end of this piston rod 51 and the second cylinder sleeve 53, form the second hydraulic pressure cavity B of sealing.These the first cylinder sleeve 52 two ends in the axial direction all have opening end (figure is mark not), when assembling piston rod 51, this piston rod 51 is assembled to this first cylinder sleeve 52 and the second cylinder sleeve 53 from two opening ends of the first cylinder sleeve 52, this first cylinder sleeve 52 is provided with piston ring 54 away from the opening end of this piston rod 51, and this piston ring 54 is provided with snap ring 55 away from a side of this piston rod 51, this snap ring 55 compresses this piston ring 54 of clamping, piston ring 54 is lived in axially locating, and sealed by 54 pairs of cylinder bodies of piston ring.
Fig. 5 is the structural representation of piston rod, incorporated by reference to Fig. 5, the leg 43 of shifting fork assembly 40 is mounted on piston rod 51, in the present embodiment, the middle body of rod of piston rod 51 exposes between the first cylinder sleeve 52 and the second cylinder sleeve 53, the outer surface of this centre body of rod is provided with short slot 56, the leg 43 of each shifting fork assembly 40 protrudes and extends to form towards piston rod 51 from shifting fork assembly 40, leg 43 on shifting fork assembly 40 inserts in short slot 56, leg 43 cooperatively interacts with short slot 56, when piston rod 51 is along the first cylinder sleeve 52 and the second cylinder sleeve 53 axial motion like this, can drive shifting fork assembly 40 to move, make the shift fork 42 on shifting fork assembly 40 drive synchronizer 90 motions to realize engage a gear or move back gear.Understandably, except short slot 56, the leg 43 of shifting fork assembly 40 also adopts other modes to be mounted on the body of rod exposing in the middle of piston rod 51, for example, can also between leg 43 and piston rod 51, middle coupling element be set, and leg 43 is connected with piston rod 51 by three element.
On the outer surface of the middle body of rod of piston rod 51, at the opposite side relative with short slot 56, be also provided with the locating slot 57 of W type, this gear shifting actuating mechanism also comprises positioning means 60, this locating slot 57 forms stop location with this positioning means 60 and coordinates, this positioning means 60 is provided with retainer 61 in the end towards locating slot 57, and this retainer 61 compresses and coordinates with the locating slot 57 of this W type.This retainer 61 can be steel ball or roller, is pressed in the locating slot 57 of this W type under the impacting force that this retainer 61 provides at elastic component 62, and realization is self-align to piston rod 51.This positioning means 60 is fixed in case of transmission (not shown), and in the present embodiment, this positioning means 60 is elongated locating stud body structure, but is not limited to this.Elastic component 62 is for example spring.
Fig. 6 is the oil channel structures schematic diagram between valve body, connecting plate and oil hydraulic cylinder, incorporated by reference to Fig. 6, in valve body 10, be provided with the first oil duct 11 and the second oil duct 12, in connecting plate 20, be provided with the 3rd oil duct 21 and the 4th oil duct 22, on the first surface 21 that the 3rd oil duct 21 and the 4th oil duct 22 all run through connecting plate 20 and second surface 22, the first cylinder sleeves 52 and the second cylinder sleeve 53, be respectively equipped with the first oilhole 58 and the second oilhole 59.The first oil duct 11 of valve body 10 is communicated with this first hydraulic pressure cavity A by the 3rd oil duct 21 of connecting plate 20 and the first oilhole 58 of the first cylinder sleeve 52, and the second oil duct 12 of valve body 10 is communicated with this second hydraulic pressure cavity B by the 4th oil duct 22 of connecting plate 20 and the second oilhole 59 of the second cylinder sleeve 53.Like this, each oil hydraulic cylinder 50 has formed a set of independently hydraulic system with together with oil duct in connecting plate 20 and valve body 10, for controlling the action of the shifting fork assembly 40 being connected with this oil hydraulic cylinder 50.
The working principle of the gear shifting actuating mechanism of the present embodiment is as follows:
As shown in Figure 6, when hydraulic oil enters the 3rd oil duct 21 of connecting plate 20 by the first oil duct 11 of valve body 10, the first oilhole 58 by the first cylinder sleeve 52 flow in the first hydraulic pressure cavity A of piston rod 51 and the first cylinder sleeve 52 formation, promoting piston rod 51 moves down, piston rod 51 acts on the leg 43 of shifting fork assembly 40 by short slot 56, thereby drive shifting fork assembly 40 to move downward by piston rod 51, promotes synchronizer 90 engage a gears.Hydraulic oil in the second hydraulic pressure cavity B that simultaneously piston rod 51 extruding the second cylinder sleeves 53 and piston rod 51 form, is discharged and is flow in the valve body 10 of fuel feeding by the second oil duct 12 of the second oilhole 59 of the second cylinder sleeve 53 and the 4th oil duct 22 of connecting plate 20, valve body 10.In this process, the retainer 61 of positioning means 60 drops in the groove of top from the middle groove of the W type locating slot 57 of piston rod 51.
In like manner, when hydraulic oil enters the 4th oil duct 22 of connecting plate 20 by the second oil duct 12 of valve body 10, the second oilhole 59 by the second cylinder sleeve 53 flow in the second hydraulic pressure cavity B of piston rod 51 and the second cylinder sleeve 53 formation, promoting piston rod 51 moves up, piston rod 51 acts on the leg 43 of shifting fork assembly 40 by short slot 56, thereby drive shifting fork assembly 40 to move upward by piston rod 51, promotes synchronizer 90 engage a gears.Hydraulic oil in the first hydraulic pressure cavity A that simultaneously piston rod 51 extruding the first cylinder sleeves 52 and piston rod 51 form, is discharged and is flow in the valve body 10 of fuel feeding by the first oil duct 11 of the first oilhole 58 of the first cylinder sleeve 52 and the 3rd oil duct 21 of connecting plate 20, valve body 10.In this process, the retainer 61 of positioning means 60 drops in the groove of below from the middle groove of the W type locating slot 57 of piston rod 51.
In the utility model embodiment, by the shifting fork assembly of different gears being arranged on same declutch shift shaft, two even more shifting fork assemblies can be arranged in same axis, each shifting fork assembly drives control by an oil hydraulic cylinder with independent oil path, whole oil hydraulic cylinders is integrated into one independently on connecting plate, and compact overall structure, has greatly saved needed space is installed, solved the gear shifting actuating mechanism larger problem that takes up room, made speed changer volume less.
In the utility model embodiment, the cylinder sleeve at each oil hydraulic cylinder two ends is fixedly installed with respect to connecting plate, valve body is mounted on connecting plate, connecting plate is mounted on case of transmission by bolt etc. again, connecting plate offers with valve body the oil duct being communicated with cylinder sleeve, thereby has reduced number and the difficulty of processing oil duct on case of transmission.
In the utility model embodiment, the structure of most of component that the gear shifting actuating mechanism of each gear comprises is identical, has interlinking, so part universality is strong, reduces and produces and maintenance cost.
In the utility model embodiment, each shifting fork assembly is mounted in the short slot of corresponding piston rod by leg, makes the simple in structure of shifting fork assembly, and and piston rod between assembling also simple, reduced manufacturing process difficulty and the assembling difficulty of shifting fork assembly.
In this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, except comprising those listed key elements, but also can comprise other key elements of clearly not listing.
In this article, the related noun of locality such as forward and backward, upper and lower is to be arranged in figure and component position each other defines with component in accompanying drawing, just clear and convenient for expression technology scheme.The use that should be appreciated that the described noun of locality should not limit the scope that the application asks for protection.
In the situation that not conflicting, the feature in above-described embodiment and embodiment can mutually combine herein.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. the gear shifting actuating mechanism of a double-clutch speed changer, it is characterized in that, comprise valve body (10), connecting plate (20), declutch shift shaft (30), and at least two shifting fork assemblies (40), this valve body (10) is arranged on this connecting plate (20), these at least two shifting fork assemblies (40) are arranged on this same declutch shift shaft (30), each shifting fork assembly (40) is driven by the oil hydraulic cylinder (50) being arranged on this connecting plate (20) respectively, each oil hydraulic cylinder (50) comprises piston rod (51), the first cylinder sleeve (52) and the second cylinder sleeve (53), this first cylinder sleeve (52) and the second cylinder sleeve (53) are fixedly installed on this connecting plate (20), this piston rod (51) is arranged between this first cylinder sleeve (52) and the second cylinder sleeve (53), insert respectively in this first cylinder sleeve (52) and the second cylinder sleeve (53) at the two ends of this piston rod (51), each shifting fork assembly (40) comprises shift fork (42) and leg (43), this leg (43) is mounted on this piston rod (51), between one end of this piston rod (51) and this first cylinder sleeve (52), form the first hydraulic pressure cavity (A), between the other end of this piston rod (51) and this second cylinder sleeve (53), form the second hydraulic pressure cavity (B), in this valve body (10), be provided with the first oil duct (11) and the second oil duct (12), in this connecting plate (20), be provided with the 3rd oil duct (21) and the 4th oil duct (22), on this first cylinder sleeve (52) and this second cylinder sleeve (53), be respectively equipped with the first oilhole (58) and the second oilhole (59), this first oil duct (11) is communicated with this first hydraulic pressure cavity (A) by the 3rd oil duct (21) and this first oilhole (58), this second oil duct (12) is communicated with this second hydraulic pressure cavity (B) by the 4th oil duct (22) and this second oilhole (59).
2. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 1, is characterized in that: the outer surface of the middle body of rod of this piston rod (51) is provided with short slot (56), and this leg (43) inserts in this short slot (56).
3. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 2, it is characterized in that: the gear shifting actuating mechanism of this double-clutch speed changer also comprises positioning means (60), on the outer surface of the middle body of rod of this piston rod (51), be also provided with the locating slot (57) of W type, this locating slot (57) forms stop location with this positioning means (60) and coordinates.
4. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 3, it is characterized in that: this positioning means (60) is provided with retainer (61) in the end towards this locating slot (57), this retainer (61) compresses and coordinates with this locating slot (57).
5. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 1, it is characterized in that: this connecting plate (20) has relative first surface (21) and second surface (22), it is upper that the first surface (21) of this connecting plate (20) is arranged on this valve body (10), and this first cylinder sleeve (52) and the second cylinder sleeve (53) are fixed on the second surface (22) of this connecting plate (20).
6. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 5, is characterized in that: between this connecting plate (20) and this valve body (10), sealing gasket (18) is installed.
7. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 1, it is characterized in that: each shifting fork assembly (40) also comprises sleeve pipe (41), the sleeve pipe (41) of each shifting fork assembly (40) is set on this same declutch shift shaft (10).
8. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 1, is characterized in that: this leg (43) protrudes and extends to form towards this piston rod (51) from shifting fork assembly (40).
9. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 1, it is characterized in that: these the first cylinder sleeve (52) two ends in the axial direction all have opening end, this first cylinder sleeve (52) is provided with piston ring (54) away from the opening end of this piston rod (51), and this piston ring (54) is provided with snap ring (55) away from a side of this piston rod (51), this snap ring (55) compresses clamping this piston ring (54).
10. the gear shifting actuating mechanism of double-clutch speed changer as claimed in claim 1, is characterized in that: this first cylinder sleeve (52) and the second cylinder sleeve (53) are arranged in a linear and are spaced from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421944.1U CN203962983U (en) | 2014-07-29 | 2014-07-29 | The gear shifting actuating mechanism of double-clutch speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421944.1U CN203962983U (en) | 2014-07-29 | 2014-07-29 | The gear shifting actuating mechanism of double-clutch speed changer |
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| CN203962983U true CN203962983U (en) | 2014-11-26 |
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| CN201420421944.1U Active CN203962983U (en) | 2014-07-29 | 2014-07-29 | The gear shifting actuating mechanism of double-clutch speed changer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443745A (en) * | 2014-07-29 | 2016-03-30 | 广州汽车集团股份有限公司 | Gear shifting executing mechanism of dual clutch transmission |
| CN105485334A (en) * | 2016-01-15 | 2016-04-13 | 上海汽车变速器有限公司 | Gear shift fork assembly of dual-clutch automatic transmission |
| CN108603588A (en) * | 2016-01-29 | 2018-09-28 | 格特拉格有限两合公司 | Gearshift for vehicle transmission |
| CN109357006A (en) * | 2018-11-29 | 2019-02-19 | 重庆青山工业有限责任公司 | Double clutch gearbox oil pumps |
-
2014
- 2014-07-29 CN CN201420421944.1U patent/CN203962983U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443745A (en) * | 2014-07-29 | 2016-03-30 | 广州汽车集团股份有限公司 | Gear shifting executing mechanism of dual clutch transmission |
| CN105485334A (en) * | 2016-01-15 | 2016-04-13 | 上海汽车变速器有限公司 | Gear shift fork assembly of dual-clutch automatic transmission |
| CN108603588A (en) * | 2016-01-29 | 2018-09-28 | 格特拉格有限两合公司 | Gearshift for vehicle transmission |
| CN108603588B (en) * | 2016-01-29 | 2023-02-28 | 格特拉格有限两合公司 | Shifting device for a motor vehicle transmission |
| CN109357006A (en) * | 2018-11-29 | 2019-02-19 | 重庆青山工业有限责任公司 | Double clutch gearbox oil pumps |
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