CN110553032A - Shifting fork assembly for transmission, transmission and vehicle - Google Patents
Shifting fork assembly for transmission, transmission and vehicle Download PDFInfo
- Publication number
- CN110553032A CN110553032A CN201910846635.6A CN201910846635A CN110553032A CN 110553032 A CN110553032 A CN 110553032A CN 201910846635 A CN201910846635 A CN 201910846635A CN 110553032 A CN110553032 A CN 110553032A
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- CN
- China
- Prior art keywords
- shifting
- assembly
- fork
- transmission
- 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
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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
- 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
- F16H63/32—Gear shift yokes, e.g. shift forks
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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
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/327—Gear shift yokes, e.g. shift forks essentially made of sheet metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a shifting fork assembly for a transmission, the transmission and a vehicle, wherein the shifting fork assembly comprises: a housing; the gear shifting shaft is fixed on the shell and provided with a clamping ring; the shifting block assembly is sleeved on the same gear shifting shaft, the clamping ring is arranged between every two adjacent shifting block assemblies, and the clamping ring is located on the gear shifting stroke end point of the corresponding shifting block assembly. Therefore, on one hand, the clamping ring is used for limiting to replace a blocking shoulder and a limiting rod in the prior art, so that the structure of the shifting fork assembly is simpler, the processing cost is effectively reduced, and the space occupation of the shifting fork assembly is smaller; on the other hand, can carry on spacingly to two plectrum subassemblies that lie in same root shift shaft through same snap ring, can reduce the tolerance accumulation of plectrum subassembly on shift shaft effectively to it is more accurate to make the synchronous ware target in place, avoids appearing the impact sound, improves and uses experience.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a shifting fork assembly for a transmission, the transmission and a vehicle.
background
In the correlation technique, manual-automatic's automatic gearbox, two separation and reunion automatic gearbox and manual transmission shift the action and still realize through the shift fork assembly, and then shift the in-process, because the subassembly of shifting gears is longer at the epaxial size chain of selector, and the tolerance accumulation is great, leads to the actual tolerance that shifts the formation to be greater than or be less than the theoretical tolerance range that shifts the formation, and then leads to the synchronous ware striking gear, produces the impact sound, influences experience by bus.
Furthermore, in the prior art, the shift assembly is limited by arranging the limiting rod and the retaining shoulder on the shell, so that the impact sound is reduced. Like this, though can reduce the striking sound, improve the operation and experience, the axial space of shift fork assembly occupies bigger, and keeps off the manufacturing, the processing cost of shoulder higher.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to propose a fork assembly for a transmission, which has a small number of parts, a small tolerance stack, smooth shifting without clashing, and a low cost and a small space occupation.
The invention also provides a transmission with the shifting fork assembly.
The invention further provides a vehicle which adopts the transmission.
A fork assembly for a transmission according to an embodiment of the first aspect of the invention includes: a housing; the gear shifting shaft is fixed on the shell and provided with a clamping ring; the shifting block assembly is sleeved on the same gear shifting shaft, the clamping ring is arranged between every two adjacent shifting block assemblies, and the clamping ring is located on the gear shifting stroke end point of the corresponding shifting block assembly.
According to the shifting fork assembly provided by the embodiment of the invention, on one hand, the clamping ring is used for limiting to replace a stop shoulder and a limiting rod in the prior art, so that the structure of the shifting fork assembly is simpler, the number of parts is less, the processing cost is effectively reduced, and the space occupation of the shifting fork assembly is smaller; on the other hand, can carry on spacingly to two plectrum subassemblies that lie in same root shift shaft through same snap ring, can reduce the tolerance accumulation of plectrum subassembly on shift shaft effectively to it is more accurate to make the synchronous ware target in place, avoids appearing the impact sound, improves and uses experience.
In some embodiments, the shift shaft comprises: the first gear shifting shaft is provided with a first clamping ring; the plectrum subassembly includes: the first shifting piece assembly and the second shifting piece assembly are arranged on the first shifting shaft and are adjacent to each other; the first shifting piece assembly is provided with two first supporting portions which are spaced and opposite to each other and the first shifting shaft can slide, the second shifting piece assembly is provided with two second supporting portions which are spaced and opposite to each other and the first shifting shaft can slide, the two first supporting portions and the two second supporting portions are arranged in a staggered mode, and the first clamping ring is arranged between the adjacent first supporting portions and the adjacent second supporting portions.
Further, the first pick assembly further comprises: the first support part, the first shifting fork leg and the first shifting piece are all connected with the first shifting fork body; the second paddle assembly further comprises: the second supporting part, the second shifting fork foot and the second shifting piece are all connected with the second shifting fork body.
according to some embodiments of the invention, one end of the first fork prong is connected with the first support portion, the other end of the first fork prong extends downward away from the first support portion, one end of the first paddle is connected with the first support portion, and the other end of the first paddle extends upward away from the first support portion; one end of the second shifting fork pin is connected with the second supporting part, the other end of the second shifting fork pin deviates from the second supporting part and extends downwards, one end of the second shifting piece is connected with the second supporting part, and the other end of the second shifting piece deviates from the second supporting part and extends upwards.
In some embodiments, the shift shaft further comprises: the second gear shifting shaft is provided with a second clamping ring; the plectrum subassembly includes: a plurality of third paddle assemblies disposed on the second shift shaft; the third shifting block assembly is slidably arranged on the second gear shifting shaft through third supporting portions, and the second clamping ring is arranged between every two adjacent third supporting portions.
further, the third paddle assembly further comprises: the third supporting part, the third shifting fork leg and the third shifting piece are all connected with the third shifting fork body.
Optionally, one end of the third fork leg is connected to the third support portion, and the other end of the third fork leg extends downward away from the third support portion; one end of the third shifting piece is connected with the third supporting part, and the other end of the third shifting piece deviates from the third supporting part and extends upwards.
according to some embodiments of the invention, the paddle assembly is a sheet metal stamping.
A transmission according to an embodiment of the second aspect of the invention includes: the fork assembly of the transmission described in the above embodiments.
the vehicle according to the embodiment of the third aspect of the invention includes: the transmission described in the above embodiments.
additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
the above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a fork assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of a housing, a first snap ring, a first shift shaft, a first paddle assembly, and a second paddle assembly of the fork assembly according to an embodiment of the present invention;
Fig. 3 is a schematic view of a housing, a second snap ring, a second shift shaft, and a third support of the fork assembly according to an embodiment of the present invention.
Reference numerals:
The fork assembly is provided with a fork assembly 100,
A housing 10, a first shift shaft 20, a first snap ring 30, a second shift shaft 40, a second snap ring 50,
A first plectrum assembly 60, a first supporting part 61, a first fork leg 62, a first fork body 63, a first plectrum 64,
A second paddle component 70, a second support part 71, a second fork leg 72, a second fork body 73, a second paddle 74,
A third shifting block assembly 80, a third supporting part 81, a third fork leg 82, a third fork body 83 and a third shifting block 84.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A fork assembly 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 3.
As shown in fig. 1, a fork assembly 100 for a transmission according to an embodiment of a first aspect of the present invention includes: the gear shifting mechanism comprises a shell 10, a gear shifting shaft and a shifting piece assembly, wherein the gear shifting shaft is fixed on the shell 10 and is provided with a clamping ring; at least two shifting piece assemblies are sleeved on the same gear shifting shaft, a clamping ring is arranged between every two adjacent shifting piece assemblies, and the clamping ring is located at the gear shifting stroke end point of the corresponding shifting piece assembly.
particularly, shift fork assembly 100 is suitable for and drives the synchronizer motion to the realization is switched over the gear of derailleur, and then sets up two at least plectrum subassemblies at same root epaxial the setting of gear shifting, sets up the snap ring between two plectrum subassemblies, thereby when arriving the stroke end of shifting in two subassembly of shifting, can carry on spacingly through the snap ring, when another subassembly of shifting reachs the stroke end of shifting, also can carry on spacingly through same snap ring.
According to the shifting fork assembly 100, on one hand, the clamping ring is used for limiting to replace a blocking shoulder and a limiting rod in the prior art, so that the structure of the shifting fork assembly 100 is simpler, the number of parts is less, the processing cost is effectively reduced, and meanwhile, the space occupation of the shifting fork assembly 100 is smaller; on the other hand, can carry on spacingly to two plectrum subassemblies that lie in same root shift shaft through same snap ring, can reduce the tolerance accumulation of plectrum subassembly on shift shaft effectively to it is more accurate to make the synchronous ware target in place, avoids appearing the impact sound, improves and uses experience.
It should be noted that the shift stroke end point refers to a position where the synchronizer moves to the corresponding gear under the driving of the shift plate assembly when the shift plate assembly moves to the position.
As shown in fig. 1 and 2, the shift shaft includes: a first shift shaft 20, wherein a first snap ring 30 is arranged on the first shift shaft 20; the plectrum subassembly includes: a first paddle assembly 60 and a second paddle assembly 70 disposed on the first shift axle 20 and adjacent thereto; the first paddle component 60 is provided with two first supporting portions 61 which are spaced apart and can slide relative to the first shift shaft 20, the second paddle component 70 is provided with two second supporting portions 71 which are spaced apart and can slide relative to the first shift shaft 20, the two first supporting portions 61 and the two second supporting portions 71 are arranged in a staggered mode, and the first clamping ring 30 is arranged between the adjacent first supporting portions 61 and the adjacent second supporting portions 71.
It can be understood that the first snap ring 30 is arranged between the adjacent first supporting portion 61 and the second supporting portion 71, so that when the first plectrum assembly 60 moves towards one direction, the first supporting portion 61 can directly abut against the first snap ring 30 to realize the limiting, and when the first plectrum assembly 60 moves towards the other direction, the first supporting portion 61 pushes the adjacent second supporting portion 71 and causes the second supporting portion 71 to abut against the first snap ring 30 to realize the limiting in the other direction;
Similarly, when the second paddle component 70 moves towards one direction, the second support portion 71 can directly abut against the second snap ring 50 to achieve the limiting, and when the second paddle component 70 moves towards the other direction, the second support portion 71 pushes the second support portion 71 adjacent to the second support portion, and the second support portion 71 abuts against the second snap ring 50 to achieve the limiting in the other direction.
Therefore, on one hand, the limiting effect of the first shifting block assembly 60 and the second shifting block assembly 70 on the first shifting shaft 20 can be improved; on the other hand, when the first paddle component 60 and the second paddle component 70 are configured to drive the two-way synchronizer to perform a gear shifting operation, the first snap ring 30 can be respectively limited at two gear shifting stroke end points of the first paddle component 60 or at two stroke end points of the second paddle component 70, so that the limiting effect of the second snap ring 50 is better, and the gear shifting stability of the first paddle component 60 and the second paddle component 70 is higher.
When three or more paddle units are provided on the first shift shaft 20, one of the adjacent two paddle units is the first paddle unit 60, and the other is the second paddle unit 70.
In the particular embodiment shown in fig. 1, the first paddle assembly 60 further includes: the first support part 61, the first fork leg 62 and the first shifting piece 64 are connected with the first fork body 63;
The second paddle assembly 70 further includes: the second fork leg 72, the second fork body 73 and the second shifting piece 74, and the second supporting portion 71, the second fork leg 72 and the second shifting piece 74 are all connected with the second fork body 73.
Specifically, the first supporting portion 61, the first shift plate 64 and the first fork leg 62 are all welded to the first fork body 63, and the second supporting portion 71, the second shift plate 74 and the second fork leg 72 are all welded to the second fork body 73, so that the structural strength of the first shift plate assembly 60 and the second shift plate assembly 70 is higher.
As shown in fig. 1, one end of the first fork leg 62 is connected to the first supporting portion 61, the other end of the first fork leg 62 extends downward away from the first supporting portion 61, one end of the first paddle 64 is connected to the first supporting portion 61, and the other end of the first paddle 64 extends upward away from the first supporting portion 61; one end of the second shifting fork leg 72 is connected with the second supporting portion 71, the other end of the second shifting fork leg 72 deviates from the second supporting portion 71 and extends downwards, one end of the second shifting piece 74 is connected with the second supporting portion 71, and the other end of the second shifting piece 74 deviates from the second supporting portion 71 and extends upwards.
Like this, make first shift fork foot 62 and first plectrum 64 spaced apart in the up-and-down direction, make second shift fork foot 72 and second plectrum 74 spaced apart in the up-and-down direction to in the in-process that first plectrum 64 drove first shift fork foot 62 motion, second plectrum 74 drove second shift fork foot 72 motion in-process, can avoid the first plectrum 64 of first motion and the parts around first shift fork foot 62 to appear interfering, avoid second plectrum 74 and the parts around second shift fork foot 72 to appear interfering, avoid the jamming of shifting, improve the stability of shifting of shift fork assembly 100.
As shown in fig. 1 and 3, the shift shaft further includes: a second shift shaft 40, wherein a second snap ring 50 is arranged on the second shift shaft 40; the plectrum subassembly includes: a plurality of third paddle assemblies 80 disposed on the second shift axle 40; wherein the third paddle assembly 80 is slidably disposed on the second shift shaft 40 through a third support 81, and a second snap ring 50 is disposed between two adjacent third supports 81.
it is understood that adjacent third paddle assembly 80 is retained by second snap ring 50, which can achieve the same technical effects as first paddle assembly 60 and second paddle assembly 70, and will not be described in detail herein.
Further, the third paddle assembly 80 further includes: a third fork leg 82, a third fork body 83 and a third shifting piece 84, and a third supporting part 81, the third fork leg 82 and the third shifting piece 84 are all connected with the third fork body 83. The third supporting portion 81, the third paddle 84 and the third fork leg 82 are all welded to the third fork body 83, so that the third paddle assembly 80 has higher structural strength.
Alternatively, one end of the third fork leg 82 is connected to the third support 81, and the other end of the third fork leg 82 extends downward away from the third support 81; one end of the third paddle 84 is connected to the third support 81, and the other end of the third paddle 84 extends upward away from the third support 81.
Like this, make third shift fork foot 82 and third plectrum 84 spaced apart in the up-and-down direction to in the in-process that third plectrum 84 drove the motion of third shift fork foot 82, can avoid the first third plectrum 84 that moves to appear interfering with the part around the third shift fork foot 82, avoid shifting the jamming, improve the stability of shifting of shift fork assembly 100.
It is understood that a third snap ring and a fourth snap ring may be further provided at the end of the first shift shaft 20 and the end of the second shift shaft 40, respectively, to further limit the paddle assembly.
According to some embodiments of the invention, the shifting sheet assembly is a sheet metal stamping part, and after sheet metal fine stamping and bending forming, the space occupation can be reduced, and the production difficulty can be effectively reduced.
A transmission according to an embodiment of the present invention includes: the fork assembly 100 of the transmission in the above embodiment.
according to the transmission of the embodiment of the invention, the shifting fork assembly 100 is adopted, and the technical effect is consistent with that of the shifting fork assembly 100, which is not described herein again.
A vehicle according to an embodiment of the present invention includes: the transmission in the above embodiment.
according to the vehicle provided by the embodiment of the invention, the transmission is adopted, so that the gear shifting of the vehicle is more stable, no impact occurs in the transmission in the gear shifting process, and the riding experience and the operation experience of a driver can be effectively improved.
in the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
in the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. a shift fork assembly for a transmission, comprising:
a housing;
the gear shifting shaft is fixed on the shell and provided with a clamping ring;
The shifting block assembly is sleeved on the same gear shifting shaft, the clamping ring is arranged between every two adjacent shifting block assemblies, and the clamping ring is located on the gear shifting stroke end point of the corresponding shifting block assembly.
2. The shift fork assembly for a transmission of claim 1,
The shift shaft includes: the first gear shifting shaft is provided with a first clamping ring;
The plectrum subassembly includes: the first shifting piece assembly and the second shifting piece assembly are arranged on the first shifting shaft and are adjacent to each other; wherein
The first shifting piece assembly is provided with two first supporting portions which are spaced and opposite to each other and the first shifting shaft can slide, the second shifting piece assembly is provided with two second supporting portions which are spaced and opposite to each other and the first shifting shaft can slide, the two first supporting portions and the two second supporting portions are arranged in a staggered mode, and the first clamping ring is arranged between the adjacent first supporting portions and the adjacent second supporting portions.
3. A fork assembly for a transmission as claimed in claim 2, wherein the first paddle component further comprises: the first support part, the first shifting fork leg and the first shifting piece are all connected with the first shifting fork body;
The second paddle assembly further comprises: the second supporting part, the second shifting fork foot and the second shifting piece are all connected with the second shifting fork body.
4. The shift fork assembly for a transmission of claim 3, wherein one end of the first shift fork leg is connected to the first support portion, the other end of the first shift fork leg extends downwardly away from the first support portion, one end of the first paddle is connected to the first support portion, and the other end of the first paddle extends upwardly away from the first support portion;
One end of the second shifting fork pin is connected with the second supporting part, the other end of the second shifting fork pin deviates from the second supporting part and extends downwards, one end of the second shifting piece is connected with the second supporting part, and the other end of the second shifting piece deviates from the second supporting part and extends upwards.
5. The shift fork assembly for a transmission of claim 1,
The shift shaft further includes: the second gear shifting shaft is provided with a second clamping ring;
the plectrum subassembly includes: a plurality of third paddle assemblies disposed on the second shift shaft; wherein
The third shifting block assembly is slidably arranged on the second gear shifting shaft through third supporting portions, and the second clamping ring is arranged between every two adjacent third supporting portions.
6. A fork assembly for a transmission as set forth in claim 5, wherein the third paddle component further comprises: the third supporting part, the third shifting fork leg and the third shifting piece are all connected with the third shifting fork body.
7. A fork assembly for a transmission according to claim 6, wherein one end of the third fork prong is connected to the third support portion and the other end of the third fork prong extends downwardly away from the third support portion;
One end of the third shifting piece is connected with the third supporting part, and the other end of the third shifting piece deviates from the third supporting part and extends upwards.
8. a fork assembly for a transmission according to any of claims 1-7, wherein the paddle components are sheet metal stampings.
9. A transmission, comprising: a transmission fork assembly according to any of claims 1 to 8.
10. A vehicle, characterized by comprising: the transmission of claim 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910846635.6A CN110553032A (en) | 2019-09-09 | 2019-09-09 | Shifting fork assembly for transmission, transmission and vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910846635.6A CN110553032A (en) | 2019-09-09 | 2019-09-09 | Shifting fork assembly for transmission, transmission and vehicle |
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CN110553032A true CN110553032A (en) | 2019-12-10 |
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CN201910846635.6A Pending CN110553032A (en) | 2019-09-09 | 2019-09-09 | Shifting fork assembly for transmission, transmission and vehicle |
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Cited By (1)
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CN115435081A (en) * | 2022-08-26 | 2022-12-06 | 西安法士特汽车传动有限公司 | Transmission gear shifting fork assembly and vehicle with same |
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WO2013007416A1 (en) * | 2011-07-14 | 2013-01-17 | Schaeffler Technologies AG & Co. KG | Shift fork for a motor vehicle transmission |
CN107218390A (en) * | 2016-03-22 | 2017-09-29 | 本田技研工业株式会社 | Manual shift for speed changer grasps action tool |
CN208858914U (en) * | 2018-08-01 | 2019-05-14 | 西安法士特汽车传动有限公司 | A kind of gearbox shifting device |
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CN101201102A (en) * | 2006-12-11 | 2008-06-18 | C.R.F.阿西安尼顾问公司 | Discrete-ratio gearbox for motor vehicle |
CN101418857A (en) * | 2007-10-24 | 2009-04-29 | C.R.F.阿西安尼顾问公司 | Motor vehicle gearbox |
DE102010032632A1 (en) * | 2010-07-29 | 2012-02-02 | Schaeffler Technologies Gmbh & Co. Kg | Shift fork for shifting sliding sleeve of gearwheel change transmission, has fork base body which is axially held by guide pipe in form-fit manner |
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CN115435081A (en) * | 2022-08-26 | 2022-12-06 | 西安法士特汽车传动有限公司 | Transmission gear shifting fork assembly and vehicle with same |
CN115435081B (en) * | 2022-08-26 | 2023-09-08 | 西安法士特汽车传动有限公司 | Transmission shift fork assembly and vehicle with same |
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Application publication date: 20191210 |